Merge branch 'master' into staging

94 files changed, 3801 insertions, 680 deletions

diff --git a/.gitignore b/.gitignore
index 6e892ca687..329d489713 100644
--- a/.gitignore
+++ b/.gitignore
@@ -125,3 +125,4 @@ config.cache
 stamp-h[0-9]
 tmp
 /doc/os-config-lightweight-desktop.texi
+/nix/scripts/download
diff --git a/Makefile.am b/Makefile.am
index 908eaf6ec0..9d62f48024 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -123,6 +123,7 @@ MODULES =					\
   guix/import/elpa.scm   			\
   guix/scripts.scm				\
   guix/scripts/download.scm			\
+  guix/scripts/perform-download.scm		\
   guix/scripts/build.scm			\
   guix/scripts/archive.scm			\
   guix/scripts/import.scm			\
@@ -171,8 +172,8 @@ MODULES +=					\
 
 endif BUILD_DAEMON_OFFLOAD
 
-# Internal module with test suite support.
-dist_noinst_DATA = guix/tests.scm
+# Internal modules with test suite support.
+dist_noinst_DATA = guix/tests.scm guix/tests/http.scm
 
 # Linux-Libre configurations.
 KCONFIGS =					\
@@ -189,7 +190,7 @@ EXAMPLES =					\
   gnu/system/examples/desktop.tmpl		\
   gnu/system/examples/lightweight-desktop.tmpl
 
-GOBJECTS = $(MODULES:%.scm=%.go) guix/config.go guix/tests.go
+GOBJECTS = $(MODULES:%.scm=%.go) guix/config.go $(dist_noinst_DATA:%.scm=%.go)
 
 nobase_dist_guilemodule_DATA =                  \
   $(MODULES) $(KCONFIGS) $(EXAMPLES)            \
@@ -407,7 +408,7 @@ CLEANFILES =					\
 # the whole thing.  Likewise, set 'XDG_CACHE_HOME' to avoid loading possibly
 # stale files from ~/.cache/guile/ccache.
 %.go: make-go ; @:
-make-go: $(MODULES) guix/config.scm guix/tests.scm
+make-go: $(MODULES) guix/config.scm $(dist_noinst_DATA)
 	$(AM_V_at)echo "Compiling Scheme modules..." ;			\
 	unset GUILE_LOAD_COMPILED_PATH ;				\
 	XDG_CACHE_HOME=/nowhere						\
diff --git a/config-daemon.ac b/config-daemon.ac
index f66f31269d..8a3e6d8b60 100644
--- a/config-daemon.ac
+++ b/config-daemon.ac
@@ -144,6 +144,8 @@ if test "x$guix_build_daemon" = "xyes"; then
 
   AC_CONFIG_FILES([nix/scripts/list-runtime-roots],
     [chmod +x nix/scripts/list-runtime-roots])
+  AC_CONFIG_FILES([nix/scripts/download],
+    [chmod +x nix/scripts/download])
   AC_CONFIG_FILES([nix/scripts/substitute],
     [chmod +x nix/scripts/substitute])
   AC_CONFIG_FILES([nix/scripts/guix-authenticate],
diff --git a/doc/guix.texi b/doc/guix.texi
index a3eba5811e..7381c2c6ba 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -4836,6 +4836,10 @@ When using this option, you have @emph{absolutely no guarantee} that you
 are communicating with the authentic server responsible for the given
 URL, which makes you vulnerable to ``man-in-the-middle'' attacks.
 
+@item --output=@var{file}
+@itemx -o @var{file}
+Save the downloaded file to @var{file} instead of adding it to the
+store.
 @end table
 
 @node Invoking guix hash
@@ -5375,9 +5379,11 @@ Identify inputs that should most likely be native inputs.
 
 @item source
 @itemx home-page
+@itemx mirror-url
 @itemx source-file-name
 Probe @code{home-page} and @code{source} URLs and report those that are
-invalid.  Check that the source file name is meaningful, e.g. is not
+invalid.  Suggest a @code{mirror://} URL when applicable.  Check that
+the source file name is meaningful, e.g. is not
 just a version number or ``git-checkout'', without a declared
 @code{file-name} (@pxref{origin Reference}).
 
@@ -6399,7 +6405,9 @@ hardware is not supported on GuixSD.
 One of the main areas where free drivers or firmware are lacking is WiFi
 devices.  WiFi devices known to work include those using Atheros chips
 (AR9271 and AR7010), which corresponds to the @code{ath9k} Linux-libre
-driver, and for which free firmware exists and is available
+driver, and those using Broadcom/AirForce chips (BCM43xx with
+Wireless-Core Revision 5), which corresponds to the @code{b43-open}
+Linux-libre driver.  Free firmware exists for both and is available
 out-of-the-box on GuixSD, as part of @var{%base-firmware}
 (@pxref{operating-system Reference, @code{firmware}}).
 
@@ -7073,9 +7081,10 @@ the Linux kernel.  @xref{Initial RAM Disk}.
 @cindex firmware
 List of firmware packages loadable by the operating system kernel.
 
-The default includes firmware needed for Atheros-based WiFi devices
-(Linux-libre module @code{ath9k}).  @xref{Hardware Considerations}, for
-more info on supported hardware.
+The default includes firmware needed for Atheros- and Broadcom-based
+WiFi devices (Linux-libre modules @code{ath9k} and @code{b43-open},
+respectively).  @xref{Hardware Considerations}, for more info on
+supported hardware.
 
 @item @code{host-name}
 The host name.
@@ -8359,10 +8368,10 @@ Protocol (DHCP) client, on all the non-loopback network interfaces.
 @end deffn
 
 @deffn {Scheme Procedure} static-networking-service @var{interface} @var{ip} @
-       [#:gateway #f] [#:name-servers @code{'()}]
+       [#:netmask #f] [#:gateway #f] [#:name-servers @code{'()}]
 Return a service that starts @var{interface} with address @var{ip}.  If
-@var{gateway} is true, it must be a string specifying the default network
-gateway.
+@var{netmask} is true, use it as the network mask.  If @var{gateway} is true,
+it must be a string specifying the default network gateway.
 @end deffn
 
 @cindex wicd
@@ -11667,6 +11676,67 @@ A @code{<dicod-database>} object serving the GNU Collaborative International
 Dictonary of English using the @code{gcide} package.
 @end defvr
 
+@subsubsection Version Control
+
+The @code{(gnu services version-control)} module provides the following services:
+
+@subsubheading Git daemon service
+
+@deffn {Scheme Procedure} git-daemon-service [#:config (git-daemon-configuration)]
+
+Return a service that runs @command{git daemon}, a simple TCP server to
+expose repositiories over the Git protocol for annoymous access.
+
+The optional @var{config} argument should be a
+@code{<git-daemon-configuration>} object, by default it allows read-only
+access to exported@footnote{By creating the magic file
+"git-daemon-export-ok" in the repository directory.} repositories under
+@file{/srv/git}.
+
+@end deffn
+
+@deftp {Data Type} git-daemon-configuration
+Data type representing the configuration for @code{git-daemon-service}.
+
+@table @asis
+@item @code{package} (default: @var{git})
+Package object of the Git distributed version control system.
+
+@item @code{export-all?} (default: @var{#f})
+Whether to allow access for all Git repositories, even if they do not
+have the @file{git-daemon-export-ok} file.
+
+@item @code{base-path} (default: @file{/srv/git})
+Whether to remap all the path requests as relative to the given path.
+If you run git daemon with @var{(base-path "/srv/git")} on example.com,
+then if you later try to pull @code{git://example.com/hello.git}, git
+daemon will interpret the path as @code{/srv/git/hello.git}.
+
+@item @code{user-path} (default: @var{#f})
+Whether to allow @code{~user} notation to be used in requests.  When
+specified with empty string, requests to @code{git://host/~alice/foo} is
+taken as a request to access @code{foo} repository in the home directory
+of user @code{alice}.  If @var{(user-path "path")} is specified, the
+same request is taken as a request to access @code{path/foo} repository
+in the home directory of user @code{alice}.
+
+@item @code{listen} (default: @var{'()})
+Whether to listen on specific IP addresses or hostnames, defaults to
+all.
+
+@item @code{port} (default: @var{#f})
+Whether to listen on an alternative port, which defaults to 9418.
+
+@item @code{whitelist} (default: @var{'()})
+If not empty, only allow access to this list of directories.
+
+@item @code{extra-options} (default: @var{'()})
+Extra options will be passed to @code{git daemon}, please run
+@command{man git-daemon} for more information.
+
+@end table
+@end deftp
+
 @node Setuid Programs
 @subsection Setuid Programs
 
diff --git a/gnu/build/marionette.scm b/gnu/build/marionette.scm
index 9399c55313..d36e1c8d09 100644
--- a/gnu/build/marionette.scm
+++ b/gnu/build/marionette.scm
@@ -93,6 +93,13 @@ QEMU monitor and to the guest's backdoor REPL."
           "-device" "virtio-serial"
           "-device" "virtconsole,chardev=repl"))
 
+  (define (accept* port)
+    (match (select (list port) '() (list port) timeout)
+      (((port) () ())
+       (accept port))
+      (_
+       (error "timeout in 'accept'" port))))
+
   (let ((monitor (socket AF_UNIX SOCK_STREAM 0))
         (repl    (socket AF_UNIX SOCK_STREAM 0)))
     (bind monitor (file->sockaddr "monitor"))
@@ -117,26 +124,20 @@ QEMU monitor and to the guest's backdoor REPL."
            (primitive-exit 1))))
       (pid
        (format #t "QEMU runs as PID ~a~%" pid)
-       (sigaction SIGALRM
-         (lambda (signum)
-           (display "time is up!\n")              ;FIXME: break
-           #t))
-       (alarm timeout)
 
-       (match (accept monitor)
+       (match (accept* monitor)
          ((monitor-conn . _)
           (display "connected to QEMU's monitor\n")
           (close-port monitor)
           (wait-for-monitor-prompt monitor-conn)
           (display "read QEMU monitor prompt\n")
-          (match (accept repl)
+          (match (accept* repl)
             ((repl-conn . addr)
              (display "connected to guest REPL\n")
              (close-port repl)
              (match (read repl-conn)
                ('ready
                 (alarm 0)
-                (sigaction SIGALRM SIG_DFL)
                 (display "marionette is ready\n")
                 (marionette (append command extra-options) pid
                             monitor-conn repl-conn)))))))))))
diff --git a/gnu/local.mk b/gnu/local.mk
index 9a455e5ede..a0269ab56d 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -295,6 +295,7 @@ GNU_SYSTEM_MODULES =				\
   %D%/packages/pem.scm				\
   %D%/packages/perl.scm				\
   %D%/packages/photo.scm			\
+  %D%/packages/php.scm				\
   %D%/packages/pkg-config.scm			\
   %D%/packages/plotutils.scm			\
   %D%/packages/polkit.scm			\
@@ -415,6 +416,7 @@ GNU_SYSTEM_MODULES =				\
   %D%/services/sddm.scm				\
   %D%/services/spice.scm				\
   %D%/services/ssh.scm				\
+  %D%/services/version-control.scm              \
   %D%/services/web.scm				\
   %D%/services/xorg.scm				\
 						\
@@ -551,8 +553,10 @@ dist_patch_DATA =						\
   %D%/packages/patches/gcc-6-cross-environment-variables.patch	\
   %D%/packages/patches/gd-CVE-2016-7568.patch			\
   %D%/packages/patches/gd-CVE-2016-8670.patch			\
+  %D%/packages/patches/gd-fix-chunk-size-on-boundaries.patch	\
   %D%/packages/patches/gd-fix-gd2-read-test.patch		\
   %D%/packages/patches/gd-fix-tests-on-i686.patch		\
+  %D%/packages/patches/gd-fix-truecolor-format-correction.patch	\
   %D%/packages/patches/gegl-CVE-2012-4433.patch			\
   %D%/packages/patches/geoclue-config.patch			\
   %D%/packages/patches/ghostscript-CVE-2013-5653.patch		\
@@ -587,6 +591,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/guile-linux-syscalls.patch		\
   %D%/packages/patches/guile-present-coding.patch		\
   %D%/packages/patches/guile-relocatable.patch			\
+  %D%/packages/patches/guile-repl-server-test.patch		\
   %D%/packages/patches/guile-rsvg-pkgconfig.patch		\
   %D%/packages/patches/gtk2-respect-GUIX_GTK2_PATH.patch	\
   %D%/packages/patches/gtk2-respect-GUIX_GTK2_IM_MODULE_FILE.patch \
@@ -594,6 +599,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/gtk3-respect-GUIX_GTK3_PATH.patch	\
   %D%/packages/patches/gtk3-respect-GUIX_GTK3_IM_MODULE_FILE.patch \
   %D%/packages/patches/gtkglext-disable-disable-deprecated.patch \
+  %D%/packages/patches/handbrake-pkg-config-path.patch		\
   %D%/packages/patches/hdf4-architectures.patch 		\
   %D%/packages/patches/hdf4-reproducibility.patch 		\
   %D%/packages/patches/hdf4-shared-fortran.patch 		\
@@ -612,6 +618,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/hypre-ldflags.patch			\
   %D%/packages/patches/icecat-avoid-bundled-libraries.patch	\
   %D%/packages/patches/icecat-binutils.patch			\
+  %D%/packages/patches/icecat-CVE-2016-9064.patch		\
   %D%/packages/patches/icu4c-CVE-2014-6585.patch		\
   %D%/packages/patches/icu4c-CVE-2015-1270.patch		\
   %D%/packages/patches/icu4c-CVE-2015-4760.patch		\
@@ -665,8 +672,6 @@ dist_patch_DATA =						\
   %D%/packages/patches/libtiff-CVE-2016-5314.patch		\
   %D%/packages/patches/libtiff-CVE-2016-5321.patch		\
   %D%/packages/patches/libtiff-CVE-2016-5323.patch		\
-  %D%/packages/patches/libtiff-CVE-2016-5652.patch		\
-  %D%/packages/patches/libtiff-CVE-2016-9273.patch		\
   %D%/packages/patches/libtiff-oob-accesses-in-decode.patch	\
   %D%/packages/patches/libtiff-oob-write-in-nextdecode.patch	\
   %D%/packages/patches/libtool-skip-tests2.patch		\
@@ -700,6 +705,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/luajit-no_ldconfig.patch			\
   %D%/packages/patches/luajit-symlinks.patch			\
   %D%/packages/patches/luit-posix.patch				\
+  %D%/packages/patches/lvm2-static-link.patch			\
   %D%/packages/patches/make-impure-dirs.patch			\
   %D%/packages/patches/mars-install.patch			\
   %D%/packages/patches/mars-sfml-2.3.patch			\
@@ -785,6 +791,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/pinball-src-deps.patch			\
   %D%/packages/patches/pinball-system-ltdl.patch		\
   %D%/packages/patches/pingus-sdl-libs-config.patch		\
+  %D%/packages/patches/pixman-CVE-2016-5296.patch		\
   %D%/packages/patches/plink-1.07-unclobber-i.patch		\
   %D%/packages/patches/plink-endian-detection.patch		\
   %D%/packages/patches/plotutils-libpng-jmpbuf.patch		\
diff --git a/gnu/packages/algebra.scm b/gnu/packages/algebra.scm
index e21277525c..cd212d4642 100644
--- a/gnu/packages/algebra.scm
+++ b/gnu/packages/algebra.scm
@@ -202,7 +202,7 @@ GP2C, the GP to C compiler, translates GP scripts to PARI programs.")
 (define-public giac-xcas
   (package
     (name "giac-xcas")
-    (version "1.2.2-95")
+    (version "1.2.2-103")
     (source (origin
               (method url-fetch)
               ;; "~parisse/giac" is not used because the maintainer regularly
@@ -214,7 +214,7 @@ GP2C, the GP to C compiler, translates GP scripts to PARI programs.")
                                   "source/giac_" version ".tar.gz"))
               (sha256
                (base32
-                "1zyaz5pgj7w6ka4qxic4kmbcqcikpn8ry3jvhi2kd72hwa0v65y2"))))
+                "1qrhjw2sdvyv2x8fqs9isqv8rgldn448gfxbi7zbva8m5va5b3z1"))))
     (build-system gnu-build-system)
     (arguments
      `(#:phases
diff --git a/gnu/packages/aspell.scm b/gnu/packages/aspell.scm
index b7024124bd..b3ca380533 100644
--- a/gnu/packages/aspell.scm
+++ b/gnu/packages/aspell.scm
@@ -1,7 +1,8 @@
 ;;; GNU Guix --- Functional package management for GNU
 ;;; Copyright © 2013, 2014, 2015 Ludovic Courtès <ludo@gnu.org>
 ;;; Copyright © 2015, 2016 Alex Kost <alezost@gmail.com>
-;;; Copyright ©2016 John Darrington <jmd@gnu.org>
+;;; Copyright © 2016 John Darrington <jmd@gnu.org>
+;;; Copyright © 2016 Efraim Flashner <efraim@flashner.co.il>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -155,3 +156,10 @@ dictionaries, including personal ones.")
                      #:sha256
                      (base32
                       "0ffb87yjsh211hllpc4b9khqqrblial4pzi1h9r3v465z1yhn3j4")))
+
+(define-public aspell-dict-he
+  (aspell-dictionary "he" "Hebrew"
+                     #:version "1.0-0"
+                     #:sha256
+                     (base32
+                      "13bhbghx5b8g0119g3wxd4n8mlf707y41vlf59irxjj0kynankfn")))
diff --git a/gnu/packages/audio.scm b/gnu/packages/audio.scm
index 7d2e2d2a4b..492f716ca9 100644
--- a/gnu/packages/audio.scm
+++ b/gnu/packages/audio.scm
@@ -343,6 +343,57 @@ tools (analyzer, mono/stereo tools, crossovers).")
     ;; The plugins are released under LGPLv2.1+
     (license (list license:lgpl2.1+ license:gpl2+))))
 
+(define-public espeak
+  (package
+    (name "espeak")
+    (version "1.48.04")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "mirror://sourceforge/espeak/espeak/"
+                                  "espeak-" (version-major+minor version)
+                                  "/espeak-" version "-source.zip"))
+              (sha256
+               (base32
+                "0n86gwh9pw0jqqpdz7mxggllfr8k0r7pc67ayy7w5z6z79kig6mz"))
+              (modules '((guix build utils)))
+              (snippet
+               ;; remove prebuilt binaries
+               '(delete-file-recursively "linux_32bit"))))
+    (build-system gnu-build-system)
+    (arguments
+     `(#:make-flags (list (string-append "PREFIX=" (assoc-ref %outputs "out"))
+                          (string-append "DATADIR="
+                                         (assoc-ref %outputs "out")
+                                         "/share/espeak-data")
+                          (string-append "LDFLAGS=-Wl,-rpath="
+                                         (assoc-ref %outputs "out")
+                                         "/lib")
+                          "AUDIO=pulseaudio")
+       #:tests? #f ; no check target
+       #:phases
+       (modify-phases %standard-phases
+         (replace 'configure
+           (lambda _
+             (chdir "src")
+             ;; We use version 19 of the PortAudio library, so we must copy the
+             ;; corresponding file to be sure that espeak compiles correctly.
+             (copy-file "portaudio19.h" "portaudio.h")
+             (substitute* "Makefile"
+               (("/bin/ln") "ln"))
+             #t)))))
+       (inputs
+        `(("portaudio" ,portaudio)
+          ("pulseaudio" ,pulseaudio)))
+       (native-inputs `(("unzip" ,unzip)))
+       (home-page "http://espeak.sourceforge.net/")
+       (synopsis "Software speech synthesizer")
+       (description "eSpeak is a software speech synthesizer for English and
+other languages.  eSpeak uses a \"formant synthesis\" method.  This allows many
+languages to be provided in a small size.  The speech is clear, and can be used
+at high speeds, but is not as natural or smooth as larger synthesizers which are
+based on human speech recordings.")
+       (license license:gpl3+)))
+
 (define-public infamous-plugins
   (package
     (name "infamous-plugins")
@@ -2281,21 +2332,22 @@ interface.")
 (define-public qsynth
   (package
     (name "qsynth")
-    (version "0.4.1")
+    (version "0.4.3")
     (source
      (origin
        (method url-fetch)
        (uri (string-append "mirror://sourceforge/qsynth/qsynth/" version
                            "/qsynth-" version ".tar.gz"))
        (sha256
-        (base32 "034p6mbwrjnxd9b6h20cidxi4ilkk3cgpjp154j0jzjs1ipf7x2h"))))
+        (base32 "1j5hm99fjrnaw8wbmlh4qixkv3rw5dl429mp1ag7js2ydrx0j9yy"))))
     (build-system gnu-build-system)
     (arguments
      `(#:tests? #f ; no "check" phase
        #:configure-flags
        '("CXXFLAGS=-std=gnu++11")))
     (native-inputs
-     `(("qttools" ,qttools)))
+     `(("qttools" ,qttools)
+       ("pkg-config" ,pkg-config)))
     (inputs
      `(("fluidsynth" ,fluidsynth)
        ("qtbase" ,qtbase)
diff --git a/gnu/packages/bioinformatics.scm b/gnu/packages/bioinformatics.scm
index 64c7bbad36..773b5909b6 100644
--- a/gnu/packages/bioinformatics.scm
+++ b/gnu/packages/bioinformatics.scm
@@ -1261,9 +1261,6 @@ splice junctions between exons.")
                       (assoc-ref outputs "out") "/share/doc/bwa"))
                 (man (string-append
                       (assoc-ref outputs "out") "/share/man/man1")))
-            (mkdir-p bin)
-            (mkdir-p doc)
-            (mkdir-p man)
             (install-file "bwa" bin)
             (install-file "README.md" doc)
             (install-file "bwa.1" man)))
@@ -2048,7 +2045,7 @@ identify enrichments with functional annotations of the genome.")
 (define-public diamond
   (package
     (name "diamond")
-    (version "0.8.26")
+    (version "0.8.27")
     (source (origin
               (method url-fetch)
               (uri (string-append
@@ -2057,7 +2054,7 @@ identify enrichments with functional annotations of the genome.")
               (file-name (string-append name "-" version ".tar.gz"))
               (sha256
                (base32
-                "17s38pgjih6yc2z81040pircbv60c9wr33mbcyki2rfpv8rbxlh0"))))
+                "0g0zdyfnri9v7nfbh8f7zqs4af1xydqkiw8m0cx4jc2ql4chpf6a"))))
     (build-system cmake-build-system)
     (arguments
      '(#:tests? #f ; no "check" target
@@ -2155,7 +2152,6 @@ of nucleic acid binding proteins.")
              (lambda* (#:key outputs #:allow-other-keys)
                (let* ((out (assoc-ref outputs "out"))
                       (bin  (string-append out "/bin")))
-                 (mkdir-p bin)
                  (for-each (lambda (file)
                              (install-file file bin))
                            (find-files "../bin" ".*"))
@@ -4834,7 +4830,6 @@ optionally compressed by gzip.")
            (lambda* (#:key outputs #:allow-other-keys)
              (let* ((out (assoc-ref outputs "out"))
                     (bin (string-append out "/bin")))
-               (mkdir-p bin)
                (install-file "snap-aligner" bin)
                (install-file "SNAPCommand" bin)
                #t))))))
@@ -5694,7 +5689,6 @@ Needleman-Wunsch).")
          (replace 'install
            (lambda* (#:key outputs #:allow-other-keys)
              (let ((bin (string-append (assoc-ref outputs "out") "/bin")))
-               (mkdir-p bin)
                (install-file "ParDRe" bin)
                #t))))))
     (inputs
@@ -7572,7 +7566,6 @@ intervals (e.g. genes, sequence alignments).")
              (lambda* (#:key outputs #:allow-other-keys)
                (let* ((out (assoc-ref outputs "out"))
                       (bin (string-append out "/bin")))
-                 (mkdir-p bin)
                  (for-each (lambda (file)
                              (install-file file bin))
                            (find-files "bin" ".*")))
diff --git a/gnu/packages/bittorrent.scm b/gnu/packages/bittorrent.scm
index 73ae70329b..ad67e02270 100644
--- a/gnu/packages/bittorrent.scm
+++ b/gnu/packages/bittorrent.scm
@@ -207,7 +207,7 @@ interface, for the Transmission BitTorrent daemon.")
 (define-public aria2
   (package
     (name "aria2")
-    (version "1.28.0")
+    (version "1.29.0")
     (source (origin
               (method url-fetch)
               (uri (string-append "https://github.com/tatsuhiro-t/aria2/"
@@ -215,7 +215,7 @@ interface, for the Transmission BitTorrent daemon.")
                                   name "-" version ".tar.xz"))
               (sha256
                (base32
-                "1w3jblfxqg30n3ndh2wrbhbddcg92lrgcx438qiwzamrayjjb8g0"))))
+                "0bn8j6yhjnsxlxr1cdxw39gphvsrk3qhvvq92rsirxjvwwix0r0s"))))
     (build-system gnu-build-system)
     (arguments
      `(#:configure-flags (list "--enable-libaria2"
diff --git a/gnu/packages/chez.scm b/gnu/packages/chez.scm
index c3cb7d7659..6b2b70f19e 100644
--- a/gnu/packages/chez.scm
+++ b/gnu/packages/chez.scm
@@ -1,5 +1,6 @@
 ;;; GNU Guix --- Functional package management for GNU
 ;;; Copyright © 2016 Federico Beffa <beffa@fbengineering.ch>
+;;; Copyright © 2016 Efraim Flashner <efraim@flashner.co.il>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -34,7 +35,8 @@
   #:use-module (gnu packages compression)
   #:use-module (gnu packages image)
   #:use-module (gnu packages xorg)
-  #:use-module (ice-9 match))
+  #:use-module (ice-9 match)
+  #:use-module (srfi srfi-1))
 
 (define nanopass
   (let ((version "1.9"))
@@ -94,12 +96,15 @@
        (list ,(match (or (%current-target-system) (%current-system))
                 ("x86_64-linux" '(list "--machine=ta6le"))
                 ("i686-linux" '(list "--machine=ti3le"))
-                ;; FIXME: Some people succeeded in cross-compiling to
-                ;; ARM. https://github.com/cisco/ChezScheme/issues/13
+                ;; Let autodetection have its attempt on other architectures.
                 (_
                  '())))
        #:phases
        (modify-phases %standard-phases
+         (add-after 'unpack 'patch-processor-detection
+           (lambda _ (substitute* "configure"
+                       (("uname -a") "uname -m"))
+             #t))
          ;; Adapt the custom 'configure' script.
          (replace 'configure
            (lambda* (#:key inputs outputs #:allow-other-keys)
@@ -187,7 +192,9 @@
                     (find-files lib "scheme.boot"))
                #t))))))
     ;; According to the documentation MIPS is not supported.
-    (supported-systems (delete "mips64el-linux" %supported-systems))
+    ;; Cross-compiling for the Raspberry Pi is supported, but not native ARM.
+    (supported-systems (fold delete %supported-systems
+                             '("mips64el-linux" "armhf-linux")))
     (home-page "http://www.scheme.com")
     (synopsis "R6RS Scheme compiler and run-time")
     (description
diff --git a/gnu/packages/connman.scm b/gnu/packages/connman.scm
index 7af20c93d8..65214271b5 100644
--- a/gnu/packages/connman.scm
+++ b/gnu/packages/connman.scm
@@ -36,7 +36,7 @@
 (define-public connman
   (package
     (name "connman")
-    (version "1.32")
+    (version "1.33")
     (source
       (origin
         (method url-fetch)
@@ -44,7 +44,7 @@
                             name "-" version ".tar.xz"))
     (sha256
      (base32
-      "0k4kw2j78gwxf0rq79a099qkzl6wi4v5i7rfs4rn0si0fd68d19i"))))
+      "187mknq2i907gf8dz0i79359gn1qc9mryvqkcgb280d7dw1ld2dw"))))
     (build-system gnu-build-system)
     (arguments
      `(#:configure-flags
diff --git a/gnu/packages/crypto.scm b/gnu/packages/crypto.scm
index 3fcb30caab..c7445a1eba 100644
--- a/gnu/packages/crypto.scm
+++ b/gnu/packages/crypto.scm
@@ -329,7 +329,7 @@ no man page, refer to the home page for usage details.")
        ("gnupg" ,gnupg)
        ("cryptsetup" ,cryptsetup)
        ("e2fsprogs" ,e2fsprogs)         ;for mkfs.ext4
-       ("gettext" ,gnu-gettext)         ;used at runtime
+       ("gettext" ,gettext-minimal)     ;used at runtime
        ("mlocate" ,mlocate)
        ("pinentry" ,pinentry)
        ("qrencode" ,qrencode)
diff --git a/gnu/packages/cryptsetup.scm b/gnu/packages/cryptsetup.scm
index 183c568fd9..da58facffb 100644
--- a/gnu/packages/cryptsetup.scm
+++ b/gnu/packages/cryptsetup.scm
@@ -1,5 +1,6 @@
 ;;; GNU Guix --- Functional package management for GNU
 ;;; Copyright © 2013 Andreas Enge <andreas@enge.fr>
+;;; Copyright © 2016 Ludovic Courtès <ludo@gnu.org>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -58,3 +59,67 @@ setup information in the partition header, enabling the users to transport
 or migrate their data seamlessly.")
    (license license:gpl2)
    (home-page "https://gitlab.com/cryptsetup/cryptsetup")))
+
+(define (static-library library)
+  "Return a variant of package LIBRARY that provides static libraries ('.a'
+files).  This assumes LIBRARY uses Libtool."
+  (package
+    (inherit library)
+    (name (string-append (package-name library) "-static"))
+    (arguments
+     (substitute-keyword-arguments (package-arguments library)
+       ((#:configure-flags flags ''())
+        `(append '("--disable-shared" "--enable-static")
+                 ,flags))))))
+
+(define-public cryptsetup-static
+  ;; Stripped-down statically-linked 'cryptsetup' command for use in initrds.
+  (package
+    (inherit cryptsetup)
+    (name "cryptsetup-static")
+    (arguments
+     '(#:configure-flags '("--disable-shared"
+                           "--enable-static-cryptsetup"
+
+                           ;; 'libdevmapper.a' pulls in libpthread and libudev.
+                           "LIBS=-ludev -pthread")
+
+       #:allowed-references ()                  ;this should be self-contained
+
+       #:modules ((ice-9 ftw)
+                  (ice-9 match)
+                  (guix build utils)
+                  (guix build gnu-build-system))
+
+       #:phases (modify-phases %standard-phases
+                  (add-after 'install 'remove-cruft
+                    (lambda* (#:key outputs #:allow-other-keys)
+                      ;; Remove everything except the 'cryptsetup' command and
+                      ;; its friend.
+                      (let ((out (assoc-ref outputs "out")))
+                        (with-directory-excursion out
+                          (let ((dirs (scandir "."
+                                               (match-lambda
+                                                 ((or "." "..") #f)
+                                                 (_ #t)))))
+                            (for-each delete-file-recursively
+                                      (delete "sbin" dirs))
+                            (for-each (lambda (file)
+                                        (rename-file (string-append file
+                                                                    ".static")
+                                                     file)
+                                        (remove-store-references file))
+                                      '("sbin/cryptsetup" "sbin/veritysetup"))
+                            #t))))))))
+    (inputs
+     (let ((libgcrypt-static
+            (package
+              (inherit (static-library libgcrypt))
+              (propagated-inputs
+               `(("libgpg-error-host" ,(static-library libgpg-error)))))))
+       `(("libgcrypt" ,libgcrypt-static)
+         ("lvm2" ,lvm2-static)
+         ("util-linux" ,util-linux "static")
+         ("util-linux" ,util-linux)
+         ("popt" ,popt))))
+    (synopsis "Hard disk encryption tool (statically linked)")))
diff --git a/gnu/packages/databases.scm b/gnu/packages/databases.scm
index 0323a51838..d6746f092f 100644
--- a/gnu/packages/databases.scm
+++ b/gnu/packages/databases.scm
@@ -558,6 +558,26 @@ widely deployed SQL database engine in the world.  The source code for SQLite
 is in the public domain.")
    (license public-domain)))
 
+(define-public sqlite-3.15.1
+  (package (inherit sqlite)
+           (version "3.15.1")
+           (source (origin
+                     (method url-fetch)
+                     (uri (let ((numeric-version
+                                 (match (string-split version #\.)
+                                   ((first-digit other-digits ...)
+                                    (string-append first-digit
+                                                   (string-pad-right
+                                                    (string-concatenate
+                                                     (map (cut string-pad <> 2 #\0)
+                                                          other-digits))
+                                                    6 #\0))))))
+                            (string-append "https://sqlite.org/2016/sqlite-autoconf-"
+                                           numeric-version ".tar.gz")))
+                     (sha256
+                      (base32
+                       "1ig2d9jzzixiifmgqsl6kjcvy17jwxby3s24gfnc5qvyd6vqkyjx"))))))
+
 (define-public tdb
   (package
     (name "tdb")
@@ -799,15 +819,15 @@ columns, primary keys, unique constraints and relationships.")
 (define-public perl-dbd-mysql
   (package
     (name "perl-dbd-mysql")
-    (version "4.037")
+    (version "4.039")
     (source
      (origin
        (method url-fetch)
-       (uri (string-append "mirror://cpan/authors/id/M/MI/MICHIELB/"
+       (uri (string-append "mirror://cpan/authors/id/C/CA/CAPTTOFU/"
                            "DBD-mysql-" version ".tar.gz"))
        (sha256
         (base32
-         "1z1wxnzhxfr9awjqb1d8pz9hf50shbk9ip2jmsmgdlwfyb78lmyz"))))
+         "0k4p3bjdbmxm2amb0qiiwmn8v83zrjkz5qp84xdjrg8k5v9aj0hn"))))
     (build-system perl-build-system)
     ;; Tests require running MySQL server
     (arguments `(#:tests? #f))
diff --git a/gnu/packages/dico.scm b/gnu/packages/dico.scm
index 1a674dff4b..ec20c372f2 100644
--- a/gnu/packages/dico.scm
+++ b/gnu/packages/dico.scm
@@ -37,20 +37,14 @@
 (define-public dico
   (package
     (name "dico")
-    (version "2.3")
+    (version "2.4")
     (source (origin
              (method url-fetch)
              (uri (string-append "mirror://gnu/dico/dico-"
                                  version ".tar.xz"))
              (sha256
               (base32
-               "13by0zimx90v2j8v7n4k9y3xwmh4q9jdc2f4f8yjs3x7f5bzm2pk"))
-             (snippet
-              ;; Upstream commit 89922fc.
-              '(substitute* "include/dico/markup.h"
-                 (("const char \\*dico_markup_type;")
-                  "extern const char *dico_markup_type;")))
-             (modules '((guix build utils)))))
+               "13m7vahfbdj7hb38bjgd4cmfswavvxrcpppj9n4m4rar3wyzg52g"))))
     (build-system gnu-build-system)
     (arguments
      '(#:configure-flags (list (string-append "--with-guile-site-dir=" %output
diff --git a/gnu/packages/emacs.scm b/gnu/packages/emacs.scm
index a065959d25..c1f12667a3 100644
--- a/gnu/packages/emacs.scm
+++ b/gnu/packages/emacs.scm
@@ -1031,6 +1031,29 @@ light user interface.")
 and seeking.")
     (license license:gpl3+)))
 
+(define-public emacs-emms-mode-line-cycle
+  (package
+    (name "emacs-emms-mode-line-cycle")
+    (version "0.2.5")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/momomo5717/emms-mode-line-cycle"
+                           "/archive/" version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "0ifszi930pnaxk1x8pcydmvnp06868gc7nfx14q17zbajbx735k6"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emms" ,emms)))
+    (home-page "https://github.com/momomo5717/emms-mode-line-cycle")
+    (synopsis "Display the EMMS mode line as a ticker")
+    (description
+     "This is a minor mode for updating the EMMS mode-line string cyclically
+within a specified width.  It is useful for displaying long track titles.")
+    (license license:gpl3+)))
+
 
 ;;;
 ;;; Miscellaneous.
@@ -3197,14 +3220,14 @@ passive voice.")
 (define-public emacs-org
   (package
     (name "emacs-org")
-    (version "20160912")
+    (version "20161118")
     (source (origin
               (method url-fetch)
-              (uri (string-append "http://orgmode.org/elpa/org-"
+              (uri (string-append "http://elpa.gnu.org/packages/org-"
                                   version ".tar"))
               (sha256
                (base32
-                "1xawj0pdvqrgzlixxgbfa01gzajfaz47anr5m4aw035rhc6s02r7"))))
+                "1w9g8r08kaiw9f4fjsj0hbffzq85rj734j5lxvbaafbnz7dbklk1"))))
     (build-system emacs-build-system)
     (home-page "http://orgmode.org/")
     (synopsis "Outline-based notes management and organizer")
@@ -3241,7 +3264,7 @@ Flx has support for ido (interactively do things) through flx-ido.")
 (define-public emacs-cyberpunk-theme
   (package
     (name "emacs-cyberpunk-theme")
-    (version "1.17")
+    (version "1.18")
     (source
      (origin
        (method url-fetch)
@@ -3249,7 +3272,7 @@ Flx has support for ido (interactively do things) through flx-ido.")
                            "archive/" version ".tar.gz"))
        (sha256
         (base32
-         "068jcn4g1bvwgpcvyfqygzw6ahill51c1sqzyyvj2paxckbd7h51"))
+         "0pxzbw0qjxgkhhs3gn3k9qy41kl1a4pfzbw83dk24l4b3nxd24wg"))
        (file-name (string-append name "-" version ".tar.gz"))))
     (build-system emacs-build-system)
     (home-page "https://github.com/n3mo/cyberpunk-theme.el")
@@ -3259,6 +3282,35 @@ Flx has support for ido (interactively do things) through flx-ido.")
 known loosely as deftheme.  Many mode-specific customizations are included.")
     (license license:gpl3+)))
 
+(define-public emacs-danneskjold-theme
+  (let* ((commit "8733d2fe8743e8a01826ea6d4430ef376c727e57")
+         (revision "1"))
+    (package
+      (name "emacs-danneskjold-theme")
+      (version (string-append "0.0.0-" revision "." (string-take commit 7)))
+      (home-page "https://github.com/rails-to-cosmos/danneskjold-theme")
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url home-page)
+               (commit commit)))
+         (file-name (string-append name "-" version "-checkout"))
+         (sha256
+          (base32
+           "0s6rbsb0y8i8m5b9xm4gw1p1cxsxdqnqxqqb638pygz9f76mbir1"))))
+      (build-system emacs-build-system)
+      (arguments
+       `(#:phases
+         (modify-phases %standard-phases
+           (add-after 'unpack 'delete-screenshots
+             (lambda _
+               (delete-file-recursively "screenshots") #t)))))
+      (synopsis "High-contrast Emacs theme")
+      (description
+       "@code{danneskjold-theme} is a high-contrast theme for Emacs.")
+      (license license:gpl3+))))
+
 (define-public emacs-auto-complete
   (package
     (name "emacs-auto-complete")
@@ -3298,7 +3350,7 @@ extensibility.")
         (base32 "1w08hnsbknrcjlzp42c99bgwc9hzsnf5m4apdv0dacql2s09zfm2"))))
     (build-system gnu-build-system)
     (inputs
-     `(("gettext" ,gnu-gettext)))
+     `(("gettext" ,gettext-minimal)))
     (arguments
      `(#:configure-flags
        (list (string-append "--with-charmaps="
@@ -3326,9 +3378,8 @@ This package contains the library database.")
     (source
      (origin
        (method url-fetch)
-       (uri (string-append
-             "http://download.savannah.gnu.org/releases/m17n/m17n-lib-"
-             version ".tar.gz"))
+       (uri (string-append "mirror://savannah/m17n/m17n-lib-"
+                           version ".tar.gz"))
        (sha256
         (base32 "10yv730i25g1rpzv6q49m6xn4p8fjm7jdwvik2h70sn8w3hm7f4f"))))
     (build-system gnu-build-system)
diff --git a/gnu/packages/firmware.scm b/gnu/packages/firmware.scm
index 484896f592..443c38e944 100644
--- a/gnu/packages/firmware.scm
+++ b/gnu/packages/firmware.scm
@@ -1,5 +1,6 @@
 ;;; GNU Guix --- Functional package management for GNU
 ;;; Copyright © 2014, 2015, 2016 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2016 Eric Bavier <bavier@member.fsf.org>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -19,11 +20,14 @@
 (define-module (gnu packages firmware)
   #:use-module (guix licenses)
   #:use-module (guix packages)
+  #:use-module (guix download)
   #:use-module (guix git-download)
   #:use-module (guix build-system gnu)
   #:use-module (gnu packages)
+  #:use-module (gnu packages bison)
   #:use-module (gnu packages cmake)
   #:use-module (gnu packages cross-base)
+  #:use-module (gnu packages flex)
   #:use-module (gnu packages perl))
 
 (define-public ath9k-htc-firmware
@@ -82,3 +86,91 @@
 802.11n NICs (aka Wi-Fi USB dongles).  It is used by the ath9k driver of
 Linux-libre.")
     (license (non-copyleft "http://directory.fsf.org/wiki/License:ClearBSD"))))
+
+(define-public b43-tools
+  (let ((commit "8dce53297966b31b6c70a7a03c2433978dd9f288")
+        (rev "1"))
+    (package
+      (name "b43-tools")
+      (version (string-append "20140625-" rev "." (string-take commit 7)))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "http://git.bues.ch/git/b43-tools.git")
+               (commit commit)))
+         (file-name (string-append name "-" version "-checkout"))
+         (sha256
+          (base32
+           "08k7sdr9jagm43r2zv4h03j86klhkblpk73p12444a3vzg1gy1lv"))))
+      (build-system gnu-build-system)
+      (native-inputs
+       `(("flex" ,flex)
+         ("bison" ,bison)))
+      (arguments
+       `(#:modules ((srfi srfi-1)
+                    (guix build gnu-build-system)
+                    (guix build utils))
+         #:tests? #f                    ;no tests
+         #:phases
+         (let ((subdirs '("assembler" "disassembler")))
+           (modify-phases %standard-phases
+             (delete 'configure)
+             (add-before 'build 'patch-/bin/true
+               (lambda _
+                 (substitute* (find-files "." "Makefile")
+                   (("/bin/true") ":"))
+                 #t))
+             (replace 'build
+               (lambda _
+                 (every (lambda (dir)
+                          (zero? (system* "make" "-C" dir "CC=gcc")))
+                        subdirs)))
+             (replace 'install
+               (lambda* (#:key outputs #:allow-other-keys)
+                 (let ((out (assoc-ref outputs "out")))
+                   (mkdir-p (string-append out "/bin"))
+                   (every (lambda (dir)
+                            (zero?
+                             (system* "make" "-C" dir
+                                      (string-append "PREFIX=" out)
+                                      "install")))
+                          subdirs))))))))
+      (home-page
+       "http://bues.ch/cms/hacking/misc.html#linux_b43_driver_firmware_tools")
+      (synopsis "Collection of tools for the b43 wireless driver")
+      (description
+       "The b43 firmware tools is a collection of firmware extractor,
+assembler, disassembler, and debugging tools for the Linux kernel b43 wireless
+driver.")
+      (license gpl2))))
+
+(define-public openfwwf-firmware
+  (package
+    (name "openfwwf-firmware")
+    (version "5.2")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "http://netweb.ing.unibs.it/~openfwwf/firmware/"
+                           "openfwwf-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1p60gdi7w88s7qw82d3g9v7mk887mhvidf4l5q5hh09j10h37q4x"))))
+    (build-system gnu-build-system)
+    (native-inputs
+     `(("b43-tools" ,b43-tools)))
+    (arguments
+     `(#:make-flags (list (string-append "PREFIX="
+                                         (assoc-ref %outputs "out")
+                                         "/lib/firmware/b43-open"))
+       #:tests? #f                      ;no tests
+       #:phases (modify-phases %standard-phases
+                  (delete 'configure))))
+    (home-page "http://netweb.ing.unibs.it/~openfwwf/")
+    (synopsis "Firmware for BCM43xx devices")
+    (description
+     "This is firmware from Open FirmWare for WiFi networks (OpenFWWF) for the
+Broadcom/AirForce chipset BCM43xx with Wireless-Core Revision 5.  It is used
+by the b43-open driver of Linux-libre.")
+    (license gpl2)))
diff --git a/gnu/packages/ftp.scm b/gnu/packages/ftp.scm
index eb622dd17c..7d3cae626a 100644
--- a/gnu/packages/ftp.scm
+++ b/gnu/packages/ftp.scm
@@ -142,7 +142,7 @@ FTP browser, as well as non-interactive commands such as 'ncftpput' and
     (native-inputs
      `(("automake" ,automake)
        ("autoconf" ,autoconf)
-       ("gettext" ,gnu-gettext)))
+       ("gettext" ,gettext-minimal)))
     (arguments
      `(#:phases
        (modify-phases %standard-phases
diff --git a/gnu/packages/games.scm b/gnu/packages/games.scm
index e8f848a07f..8b1d80dda7 100644
--- a/gnu/packages/games.scm
+++ b/gnu/packages/games.scm
@@ -946,7 +946,7 @@ Protocol).")
     (source (origin
               (method url-fetch)
               (uri (string-append
-                    "http://downloads.sourceforge.net/project/extremetuxracer/releases/"
+                    "mirror://sourceforge/extremetuxracer/releases/"
                     version "/etr-" version ".tar.xz"))
               (sha256
                (base32
@@ -2575,7 +2575,7 @@ in strikes against the evil corporation.")
                 "0jk2w5b6s6nkzri585bbz16cif2fhqcnl5l1mq3rd98r9nil3hd1"))))
     (build-system gnu-build-system)
     (native-inputs `(("pkg-config" ,pkg-config)))
-    (inputs `(("gettext" ,gnu-gettext)
+    (inputs `(("gettext" ,gettext-minimal)
               ("glu" ,glu)
               ("quesoglc" ,quesoglc)
               ("sdl-union" ,(sdl-union (list sdl sdl-image sdl-mixer)))))
diff --git a/gnu/packages/gcc.scm b/gnu/packages/gcc.scm
index e190e508a7..c26cc4f497 100644
--- a/gnu/packages/gcc.scm
+++ b/gnu/packages/gcc.scm
@@ -45,7 +45,7 @@
 
 (define %gcc-infrastructure
   ;; Base URL for GCC's infrastructure.
-  "ftp://gcc.gnu.org/pub/gcc/infrastructure/")
+  "mirror://gcc/infrastructure/")
 
 (define (gcc-configure-flags-for-triplet target)
   "Return a list of additional GCC `configure' flags for TARGET, a GNU triplet.
diff --git a/gnu/packages/gnome.scm b/gnu/packages/gnome.scm
index dd6a6819ea..8b94105ec2 100644
--- a/gnu/packages/gnome.scm
+++ b/gnu/packages/gnome.scm
@@ -3868,7 +3868,7 @@ metadata in photo and video files of various formats.")
 (define-public shotwell
   (package
     (name "shotwell")
-    (version "0.25.0")
+    (version "0.25.0.1")
     (source (origin
               (method url-fetch)
               (uri (string-append "mirror://gnome/sources/" name "/"
@@ -3876,7 +3876,7 @@ metadata in photo and video files of various formats.")
                                   name "-" version ".tar.xz"))
               (sha256
                (base32
-                "0f3ly7nxy3kqwgs40avsqkxcz98bfmlhlk30n0d7j7ndk67zz57h"))))
+                "19h0ckrgv0c6sj85m6ankyqkmy453ph9kq6zhf7ys2k5xsrrd776"))))
     (build-system glib-or-gtk-build-system)
     (propagated-inputs
      `(("dconf" ,dconf)))
@@ -4747,6 +4747,7 @@ devices using the GNOME desktop.")
        ("cups" ,cups)
        ("dconf" ,dconf)
        ("docbook-xsl" ,docbook-xsl)
+       ("gdk-pixbuf" ,gdk-pixbuf) ; for loading SVG files
        ("gnome-bluetooth" ,gnome-bluetooth)
        ("gnome-desktop" ,gnome-desktop)
        ("gnome-online-accounts" ,gnome-online-accounts)
diff --git a/gnu/packages/gnupg.scm b/gnu/packages/gnupg.scm
index fccaa9708f..0a6eba236c 100644
--- a/gnu/packages/gnupg.scm
+++ b/gnu/packages/gnupg.scm
@@ -213,14 +213,14 @@ compatible to GNU Pth.")
 (define-public gnupg
   (package
     (name "gnupg")
-    (version "2.1.15")
+    (version "2.1.16")
     (source (origin
               (method url-fetch)
               (uri (string-append "mirror://gnupg/gnupg/gnupg-" version
                                   ".tar.bz2"))
               (sha256
                (base32
-                "1pgz02gd84ab94w4xdg67p9z8kvkyr9d523bvcxxd2hviwh1m362"))))
+                "0i483m9q032a0s50f1izb213g4h5i7pcgn395m6hvl3sg2kadfa9"))))
     (build-system gnu-build-system)
     (native-inputs
      `(("pkg-config" ,pkg-config)))
@@ -245,8 +245,6 @@ compatible to GNU Pth.")
       (modify-phases %standard-phases
         (add-before 'configure 'patch-paths
           (lambda* (#:key inputs #:allow-other-keys)
-            (substitute* "tests/openpgp/defs.inc"
-              (("/bin/pwd") (which "pwd")))
             (substitute* "scd/scdaemon.c"
               (("\"(libpcsclite\\.so[^\"]*)\"" _ name)
                (string-append "\"" (assoc-ref inputs "pcsc-lite")
@@ -256,13 +254,12 @@ compatible to GNU Pth.")
           (lambda _
             (substitute* (find-files "tests" ".\\.scm$")
               (("/usr/bin/env gpgscm")
-               (string-append (getcwd) "/tests/gpgscm/gpgscm")))))
-        (add-before 'check 'set-home
-          ;; Some tests require write access to $HOME, otherwise leading to
-          ;; 'failed to create directory /homeless-shelter/.asy' error.
-          ;; TODO Try removing this phase for GnuPG 2.1.16.
+               (string-append (getcwd) "/tests/gpgscm/gpgscm")))
+            #t))
+        ;; If this variable is undefined, /bin/pwd is invoked.
+        (add-before 'check 'set-gnupg-home
           (lambda _
-            (setenv "HOME" "/tmp")
+            (setenv "GNUPGHOME" (getcwd))
             #t)))))
     (home-page "https://gnupg.org/")
     (synopsis "GNU Privacy Guard")
diff --git a/gnu/packages/gnuzilla.scm b/gnu/packages/gnuzilla.scm
index 6bfe90f9f5..3b00d3c717 100644
--- a/gnu/packages/gnuzilla.scm
+++ b/gnu/packages/gnuzilla.scm
@@ -346,13 +346,28 @@ standards.")
          ,(mozilla-patch "icecat-CVE-2016-5284-pt5.patch" "0799490f4e6f" "1ypv6i48nabbhcqbach8fbgz9bmnhm7q5z9dnfid44z8g54l3f33")
          ,(mozilla-patch "icecat-CVE-2016-5284-pt6.patch" "fc990e4ae8bc" "1s2cj505ajwwiy4xvn5zlmyzqpgahxmqqvis0a6xm6mjbjh02gm4")
          ,(mozilla-patch "icecat-bug-1251088.patch"       "5ffa912ed83e" "0v5lpv3c89c2d4y5acn0kyijv096axdnrvaj5ya5yypzfcaqxv24")
-         ,(mozilla-patch "icecat-bug-1292590.patch"       "d4b5b8f3e373" "0w8cxn6ryhgxryy8k8i06yw4mknv509ns9ff1avd0hmgxa83mcdp")
-         ,(mozilla-patch "icecat-bug-1298169.patch"       "adce603ae36d" "0mgs85cwx61bk17r7npl311l4m8yn4667wyhgjmm2ajiys6nn0yl")
-         ,(mozilla-patch "icecat-bug-1301496.patch"       "97268426bb6f" "1z7hg796cgag025gm9pp2szz7w870s7naagdri1dlsilj797v8hr")
-         ,(mozilla-patch "icecat-bug-1299519.patch"       "fc055950b6b8" "05iml5k3rzc653jk4imd111sh18625jxfxkcj12kjdihl0gdr4x4")
-         ,(mozilla-patch "icecat-bug-1303710.patch"       "6f845c23565b" "01dlbnmpsnwr448fajs276y62gl03r74k1hxnwsg6ihwhnfdvn5a")
-         ,(mozilla-patch "icecat-bug-1301343.patch"       "e5d51ca7a3c0" "0hshcz24hc6pkz5pcqxhajm17ibwrlfn1s00frfnpjjy56vacfz0")
-         ,(mozilla-patch "icecat-bug-1299686.patch"       "576f1725a57e" "1lic9d3r8r1vcniw1g3ca71390lw3dmwjsw55dp6z96hyjbcq3fd")))
+         ,(mozilla-patch "icecat-CVE-2016-5290-pt1.patch" "d4b5b8f3e373" "0w8cxn6ryhgxryy8k8i06yw4mknv509ns9ff1avd0hmgxa83mcdp")
+         ,(mozilla-patch "icecat-CVE-2016-5290-pt2.patch" "adce603ae36d" "0mgs85cwx61bk17r7npl311l4m8yn4667wyhgjmm2ajiys6nn0yl")
+         ,(mozilla-patch "icecat-CVE-2016-5290-pt3.patch" "97268426bb6f" "1z7hg796cgag025gm9pp2szz7w870s7naagdri1dlsilj797v8hr")
+         ,(mozilla-patch "icecat-CVE-2016-5290-pt4.patch" "fc055950b6b8" "05iml5k3rzc653jk4imd111sh18625jxfxkcj12kjdihl0gdr4x4")
+         ,(mozilla-patch "icecat-CVE-2016-5290-pt5.patch" "6f845c23565b" "01dlbnmpsnwr448fajs276y62gl03r74k1hxnwsg6ihwhnfdvn5a")
+         ,(mozilla-patch "icecat-CVE-2016-5290-pt6.patch" "e5d51ca7a3c0" "0hshcz24hc6pkz5pcqxhajm17ibwrlfn1s00frfnpjjy56vacfz0")
+         ,(mozilla-patch "icecat-CVE-2016-5290-pt7.patch" "61d1463acd04" "1iig4a79dxmfcr6w82mdhyl88wy7d36g5n4p24632kbabgl9j9sz")
+         ,(mozilla-patch "icecat-CVE-2016-5290-pt8.patch" "8e0bab4216de" "1knq8h5ni8crfndi3p78b2pyj5lzchqw67vk0yx061r76mq4wp4r")
+         ,(mozilla-patch "icecat-CVE-2016-5290-pt9.patch" "bb10104dc89e" "1flvagckrzfk7hs2xzb5j3s5i0ck57ygyskh5494xmpa2a1nnsqj")
+         ,(mozilla-patch "icecat-CVE-2016-5290-pt10.patch" "7006b275b829" "0sqagm247wx94mf51fyhdkn0vf1a1qy9i829shjnhssd79srxmnn")
+         ,(mozilla-patch "icecat-CVE-2016-5290-pt11.patch" "32ce7be98543" "1y2r9i4p1qpqi75mlwmibr51whz5h1vj28c6mh6ik57dxkqxbclb")
+         ,(mozilla-patch "icecat-CVE-2016-5291.patch"     "3ff0c89f3b26" "1prn74aglshaj27jfrpd2s2i4slpljw4rbzjxc1qgwjvkq4m6j6f")
+         ,(mozilla-patch "icecat-CVE-2016-5297.patch"     "46b07bdbf8b2" "1n8y1c5l0ms81dra7jsx8mp633ak5qvx105drvlg9hn3m0fwv1lj")
+         ,(search-patch  "icecat-CVE-2016-9064.patch") ; adapted for icecat based on:
+                                        ;                 "00c2b7baaa0b" "0y02yb7r62656nq9dji9dnwils2lxqasjz5byv62j1xa87r7f9hp"
+         ,(mozilla-patch "icecat-CVE-2016-9066.patch"     "576f1725a57e" "1lic9d3r8r1vcniw1g3ca71390lw3dmwjsw55dp6z96hyjbcq3fd")
+         ,(mozilla-patch "icecat-bug-1212939.patch"       "4a0e851f83e4" "182vx1qxrr7r2175jjf0bcixwwm1khdj4sq0c8wnsyry7p9waq5q")
+         ,(mozilla-patch "icecat-bug-1168743.patch"       "a1e06af61ab3" "07llk1ba6axjasiv30vicz96k55ff4mybxy21vjxk6j0asgyjz23")
+         ,(mozilla-patch "icecat-bug-1287176.patch"       "0569d5dce9db" "1d41sqbq6jc3af73dz9w19win7v7c12kw1mp7j7b1gkadq46c4y7")
+         ,(mozilla-patch "icecat-bug-1263665.patch"       "a79cafee93f4" "0bn7hpm8mh8qmkpz5wiridr792irrs5sjxyvryazy2i0p4pjh62p")
+         ,(mozilla-patch "icecat-bug-1304962.patch"       "f61049d5f373" "04d1na31qqq7yq4jjvhq6vzqq3f23rwac8c6fw4h5fx1pdb3l997")
+         ,(mozilla-patch "icecat-bug-1314574.patch"       "46b2558ca469" "00q8676xg4wb7p371wgi04nl05j7idkb2kna9a0l08k6lks9wdhh")))
       (modules '((guix build utils)))
       (snippet
        '(begin
@@ -411,8 +426,7 @@ standards.")
        ("glib" ,glib)
        ("gstreamer" ,gstreamer)
        ("gst-plugins-base" ,gst-plugins-base)
-       ("gtk+" ,gtk+)
-       ("gtk+-2" ,gtk+-2)
+       ("gtk+" ,gtk+-2)
        ("pango" ,pango)
        ("freetype" ,freetype)
        ("hunspell" ,hunspell)
@@ -456,7 +470,7 @@ standards.")
        ;; practice somehow.  See <http://hydra.gnu.org/build/378133>.
        #:validate-runpath? #f
 
-       #:configure-flags '("--enable-default-toolkit=cairo-gtk3"
+       #:configure-flags '("--enable-default-toolkit=cairo-gtk2"
                            "--enable-pango"
                            "--enable-gio"
                            "--enable-svg"
diff --git a/gnu/packages/grub.scm b/gnu/packages/grub.scm
index b920be9ea2..ef7395e95e 100644
--- a/gnu/packages/grub.scm
+++ b/gnu/packages/grub.scm
@@ -127,9 +127,16 @@
                        (("set -e") "exit 77\nset -e"))
                      #t)))))
     (inputs
-     `(;; ("lvm2" ,lvm2)
-       ("gettext" ,gettext-minimal)
+     `(("gettext" ,gettext-minimal)
+
+       ;; Depend on LVM2 for libdevmapper, used by 'grub-probe' and
+       ;; 'grub-install' to recognize mapped devices (LUKS, etc.)
+       ("lvm2" ,lvm2)
+
+       ;; Depend on mdadm, which is invoked by 'grub-probe' and 'grub-install'
+       ;; to determine whether the root file system is RAID.
        ("mdadm" ,mdadm)
+
        ("freetype" ,freetype)
        ;; ("libusb" ,libusb)
        ;; ("fuse" ,fuse)
diff --git a/gnu/packages/gstreamer.scm b/gnu/packages/gstreamer.scm
index 0b73fd14e2..5fe84ec2fc 100644
--- a/gnu/packages/gstreamer.scm
+++ b/gnu/packages/gstreamer.scm
@@ -97,7 +97,7 @@ arrays of data.")
 (define-public gstreamer
   (package
     (name "gstreamer")
-    (version "1.10.0")
+    (version "1.10.1")
     (source
      (origin
       (method url-fetch)
@@ -106,7 +106,7 @@ arrays of data.")
             version ".tar.xz"))
       (sha256
        (base32
-        "01vjsgz58n6nrmnahs4ac7v4656yc042ymffqjzqa0a8pvx7hxqy"))))
+        "1npnpyrw8603ivi5g3ziglvh3hq2shypid2vjcmki6g6w2bgk3gn"))))
     (build-system gnu-build-system)
     (outputs '("out" "doc"))
     (arguments
@@ -145,7 +145,7 @@ This package provides the core library and elements.")
 (define-public gst-plugins-base
   (package
     (name "gst-plugins-base")
-    (version "1.10.0")
+    (version "1.10.1")
     (source
      (origin
       (method url-fetch)
@@ -153,7 +153,7 @@ This package provides the core library and elements.")
                           name "-" version ".tar.xz"))
       (sha256
        (base32
-        "0jp9rwv0am8qv32q3dzhdcbyygg5wjm4fg20njyhp6n6vybyzkdz"))))
+        "1jbnr6vbklzli493xdd8y5sflm32r90lifpacxw9vbvs9hlyxkv6"))))
     (build-system gnu-build-system)
     (outputs '("out" "doc"))
     (propagated-inputs
@@ -187,7 +187,8 @@ This package provides the core library and elements.")
          (add-before 'configure 'patch
            (lambda _
              (substitute* "tests/check/libs/pbutils.c"
-               (("/bin/sh") (which "sh"))))))))
+               (("/bin/sh") (which "sh")))
+             #t)))))
     (home-page "https://gstreamer.freedesktop.org/")
     (synopsis
      "Plugins for the GStreamer multimedia library")
@@ -199,7 +200,7 @@ for the GStreamer multimedia library.")
 (define-public gst-plugins-good
   (package
     (name "gst-plugins-good")
-    (version "1.10.0")
+    (version "1.10.1")
     (source
      (origin
       (method url-fetch)
@@ -208,7 +209,7 @@ for the GStreamer multimedia library.")
             name "-" version ".tar.xz"))
       (sha256
        (base32
-        "1qhx6x3ax1qqbvm20zhqax3dsas4yzlx7vdjnjqllqzmcfbma0vs"))))
+        "1hkcap9l2603266gyi6jgvx7frbvfmb7xhfhjizbczy1wykjwr57"))))
     (build-system gnu-build-system)
     (inputs
      `(("aalib" ,aalib)
@@ -264,14 +265,14 @@ developers consider to have good quality code and correct functionality.")
 (define-public gst-plugins-bad
   (package
     (name "gst-plugins-bad")
-    (version "1.10.0")
+    (version "1.10.1")
     (source (origin
               (method url-fetch)
               (uri (string-append "https://gstreamer.freedesktop.org/src/"
                                   name "/" name "-" version ".tar.xz"))
               (sha256
                (base32
-                "0kqwh5r4j05f2w9m353grvypn0106hxcr52409f7rvm3w4b9sprx"))))
+                "07cjra4fclrk6lpdm5hrsgp79aqpklx3v3l9scain091zvchwghk"))))
     (outputs '("out" "doc"))
     (build-system gnu-build-system)
     (arguments
@@ -329,7 +330,7 @@ developers consider to have good quality code and correct functionality.")
        ;("qtx11extras" ,qtx11extras)
        ("soundtouch" ,soundtouch)
        ("x265" ,x265)
-       ;("wayland" ,wayland) ; needs wayland-protocols
+       ;("wayland" ,wayland) ; needs gtk+ built with wayland support
        ))
     (home-page "https://gstreamer.freedesktop.org/")
     (synopsis "Plugins for the GStreamer multimedia library")
@@ -341,7 +342,7 @@ par compared to the rest.")
 (define-public gst-plugins-ugly
   (package
     (name "gst-plugins-ugly")
-    (version "1.10.0")
+    (version "1.10.1")
     (source
      (origin
        (method url-fetch)
@@ -349,7 +350,7 @@ par compared to the rest.")
                            name "/" name "-" version ".tar.xz"))
        (sha256
         (base32
-         "1q2m3bl8kh9q3grshj55lb2mqby4r20qfsrffc2l7ddb0ccqvplp"))))
+         "1hl385fys7hfx5ffipavvhciq6hwm731rs4d6r9fn7h9qagxbv55"))))
     (build-system gnu-build-system)
     (inputs
      `(("gst-plugins-base" ,gst-plugins-base)
@@ -380,7 +381,7 @@ distribution problems in some jurisdictions, e.g. due to patent threats.")
 (define-public gst-libav
   (package
     (name "gst-libav")
-    (version "1.10.0")
+    (version "1.10.1")
     (source (origin
               (method url-fetch)
               (uri (string-append
@@ -388,7 +389,7 @@ distribution problems in some jurisdictions, e.g. due to patent threats.")
                     name "-" version ".tar.xz"))
               (sha256
                (base32
-                "0nyqkggcxfrbflcf4jyj0h9l1rkbi3r5h61w4fcbp2n72522165g"))))
+                "1ivjbh5g0l5ykfpc16kq5x2jz8d4ignyha14jpiz3pz6w26qpci7"))))
     (build-system gnu-build-system)
     (arguments
      '(#:configure-flags '("--with-system-libav")
@@ -418,7 +419,7 @@ compression formats through the use of the libav library.")
 (define-public python-gst
   (package
     (name "python-gst")
-    (version "1.10.0")
+    (version "1.10.1")
     (source (origin
               (method url-fetch)
               (uri (string-append
@@ -426,7 +427,7 @@ compression formats through the use of the libav library.")
                     "gst-python-" version ".tar.xz"))
               (sha256
                (base32
-                "0hf71m0vqnd5sdj14li935xzzmqxh606qgw744a25w3vwj9v8nfy"))))
+                "04xhh0z0c0s6aq7kvmfs4r6yl1pjnqz0krp05pbjy62ayx5b61ak"))))
     (build-system gnu-build-system)
     (arguments
      ;; XXX: Factorize python-sitedir with python-build-system.
diff --git a/gnu/packages/gtk.scm b/gnu/packages/gtk.scm
index bf0d00b616..078df07235 100644
--- a/gnu/packages/gtk.scm
+++ b/gnu/packages/gtk.scm
@@ -1116,7 +1116,7 @@ extensive documentation, including API reference and a tutorial.")
     (source
      (origin
       (method url-fetch)
-      (uri (string-append "http://ftp.gnome.org/pub/GNOME/sources"
+      (uri (string-append "mirror://gnome/sources"
                           "/pygtk/" (version-major+minor version)
                           "/pygtk-" version ".tar.bz2"))
       (sha256
@@ -1289,7 +1289,8 @@ can also be used to document application code.")
     (native-inputs
      `(("pkg-config" ,pkg-config)
        ("intltool" ,intltool)))
-    (propagated-inputs
+    (inputs
+     ;; Don't propagate GTK+ to reduce "profile pollution".
      `(("gtk+" ,gtk+-2))) ; required by gtk-engines-2.pc
     (home-page "http://live.gnome.org/GnomeArt")
     (synopsis "Theming engines for GTK+ 2.x")
diff --git a/gnu/packages/guile.scm b/gnu/packages/guile.scm
index 3f45b29038..4572544ec3 100644
--- a/gnu/packages/guile.scm
+++ b/gnu/packages/guile.scm
@@ -217,7 +217,8 @@ without requiring the source code to be rewritten.")
                                   ".tar.xz"))
               (sha256
                (base32
-                "12yqkr974y91ylgw6jnmci2v90i90s7h9vxa4zk0sai8vjnz4i1p"))))))
+                "12yqkr974y91ylgw6jnmci2v90i90s7h9vxa4zk0sai8vjnz4i1p"))
+              (patches (search-patches "guile-repl-server-test.patch"))))))
 
 (define-public guile-next
   (package (inherit guile-2.0)
diff --git a/gnu/packages/image.scm b/gnu/packages/image.scm
index a40b212710..526c87cf86 100644
--- a/gnu/packages/image.scm
+++ b/gnu/packages/image.scm
@@ -243,7 +243,7 @@ extracting icontainer icon files.")
 (define-public libtiff
   (package
    (name "libtiff")
-   (replacement libtiff/fixed)
+   (replacement libtiff-4.0.7)
    (version "4.0.6")
    (source (origin
             (method url-fetch)
@@ -283,24 +283,18 @@ collection of tools for doing simple manipulations of TIFF images.")
                                   "See COPYRIGHT in the distribution."))
    (home-page "http://www.remotesensing.org/libtiff/")))
 
-(define libtiff/fixed
+(define libtiff-4.0.7
   (package
     (inherit libtiff)
+    (version "4.0.7")
     (source (origin
-              (inherit (package-source libtiff))
-              (patches (search-patches
-                         "libtiff-oob-accesses-in-decode.patch"
-                         "libtiff-oob-write-in-nextdecode.patch"
-                         "libtiff-CVE-2015-8665+CVE-2015-8683.patch"
-                         "libtiff-CVE-2016-3623.patch"
-                         "libtiff-CVE-2016-3945.patch"
-                         "libtiff-CVE-2016-3990.patch"
-                         "libtiff-CVE-2016-3991.patch"
-                         "libtiff-CVE-2016-5314.patch"
-                         "libtiff-CVE-2016-5321.patch"
-                         "libtiff-CVE-2016-5323.patch"
-                         "libtiff-CVE-2016-5652.patch"
-                         "libtiff-CVE-2016-9273.patch"))))))
+              (method url-fetch)
+              (uri (string-append "ftp://download.osgeo.org/libtiff/tiff-"
+                                  version ".tar.gz"))
+              (sha256
+               (base32
+                "06ghqhr4db1ssq0acyyz49gr8k41gzw6pqb6mbn5r7jqp77s4hwz"))))
+    (home-page "http://www.simplesystems.org/libtiff/")))
 
 (define-public libwmf
   (package
@@ -849,15 +843,16 @@ convert, manipulate, filter and display a wide variety of image formats.")
 (define-public jasper
   (package
     (name "jasper")
-    (version "1.900.19")
+    (version "1.900.29")
     (source (origin
               (method url-fetch)
               (uri (string-append "https://www.ece.uvic.ca/~frodo/jasper"
                                   "/software/jasper-" version ".tar.gz"))
               (sha256
                (base32
-                "0dm3k0wdny3s37zxm9s9riv46p69c14bnn532fv6cv5b6l1b0pwb"))))
+                "1h1575wdzq1p7y2xvy1gbiypai1iils5awhy4gadr78qpb9ykrra"))))
     (build-system gnu-build-system)
+    (inputs `(("libjpeg" ,libjpeg)))
     (synopsis "JPEG-2000 library")
     (description "The JasPer Project is an initiative to provide a reference
 implementation of the codec specified in the JPEG-2000 Part-1 standard (i.e.,
@@ -944,7 +939,7 @@ differences in file encoding, image quality, and other small variations.")
               (patches (list (search-patch "steghide-fixes.patch")))))
     (build-system gnu-build-system)
     (native-inputs
-     `(("gettext" ,gnu-gettext)
+     `(("gettext" ,gettext-minimal)
        ("libtool" ,libtool)
        ("perl" ,perl)))                 ;for tests
     (inputs
diff --git a/gnu/packages/imagemagick.scm b/gnu/packages/imagemagick.scm
index 8dcfbc72c5..99d8b76299 100644
--- a/gnu/packages/imagemagick.scm
+++ b/gnu/packages/imagemagick.scm
@@ -43,14 +43,14 @@
 (define-public imagemagick
   (package
     (name "imagemagick")
-    (version "6.9.6-4")
+    (version "6.9.6-5")
     (source (origin
              (method url-fetch)
              (uri (string-append "mirror://imagemagick/ImageMagick-"
                                  version ".tar.xz"))
              (sha256
               (base32
-               "1mv2qihr9jfagz1dds42q46zirh0dvx0rai7pkqmbzy2bp2c48ym"))))
+               "037lg2m0y5b17lyi34jdlkq4h03ck67j5m6wr84nvwd3jfx240cd"))))
     (build-system gnu-build-system)
     (arguments
      `(#:configure-flags '("--with-frozenpaths" "--without-gcc-arch")
diff --git a/gnu/packages/linux.scm b/gnu/packages/linux.scm
index 37db1e9055..e562213058 100644
--- a/gnu/packages/linux.scm
+++ b/gnu/packages/linux.scm
@@ -327,14 +327,14 @@ It has been modified to remove all non-free binary blobs.")
 (define %intel-compatible-systems '("x86_64-linux" "i686-linux"))
 
 (define-public linux-libre
-  (make-linux-libre "4.8.7"
-                    "1jbwm131zv59iyr6qw7qcbcfz49qqb2hhx30230gb99flyc5h4hg"
+  (make-linux-libre "4.8.10"
+                    "04kwarmpz5adz64wwy0xpwzxsri7jrjkhbmjlwxsac69x9a26bkl"
                     %intel-compatible-systems
                     #:configuration-file kernel-config))
 
 (define-public linux-libre-4.4
-  (make-linux-libre "4.4.31"
-                    "1s4xdllvxw02g4yqlafcacgsgdpxccf6dlqafpqffm873q1y9n4d"
+  (make-linux-libre "4.4.34"
+                    "04ng40l2av34bcfwjs5vliv15f0m8bl0sfw08imspiplxvajd6ca"
                     %intel-compatible-systems
                     #:configuration-file kernel-config))
 
@@ -345,8 +345,8 @@ It has been modified to remove all non-free binary blobs.")
                     #:configuration-file kernel-config))
 
 ;; Avoid rebuilding kernel variants when there is a minor version bump.
-(define %linux-libre-version "4.8.7")
-(define %linux-libre-hash "1jbwm131zv59iyr6qw7qcbcfz49qqb2hhx30230gb99flyc5h4hg")
+(define %linux-libre-version "4.8.10")
+(define %linux-libre-hash "04kwarmpz5adz64wwy0xpwzxsri7jrjkhbmjlwxsac69x9a26bkl")
 
 (define-public linux-libre-arm-generic
   (make-linux-libre %linux-libre-version
@@ -1683,7 +1683,8 @@ time.")
                     (("confdir = .*$")
                      "confdir = @sysconfdir@\n")
                     (("DEFAULT_SYS_DIR = @DEFAULT_SYS_DIR@")
-                     "DEFAULT_SYS_DIR = @sysconfdir@"))))))
+                     "DEFAULT_SYS_DIR = @sysconfdir@"))))
+              (patches (search-patches "lvm2-static-link.patch"))))
     (build-system gnu-build-system)
     (native-inputs
      `(("pkg-config" ,pkg-config)
@@ -1738,6 +1739,22 @@ mapper.  Kernel components are part of Linux-libre.")
     ;; Command-line tools are GPLv2.
     (license (list license:gpl2 license:lgpl2.1))))
 
+(define-public lvm2-static
+  (package
+    (inherit lvm2)
+    (name "lvm2-static")
+
+    ;; Propagate udev because libdevmapper.a depends on libudev.
+    (inputs (alist-delete "udev" (package-inputs lvm2)))
+    (propagated-inputs `(("udev" ,eudev)))
+
+    (arguments
+     (substitute-keyword-arguments (package-arguments lvm2)
+       ((#:configure-flags flags '())
+        ;; LVM2 doesn't use Libtool, hence the custom option.
+        `(cons "--enable-static_link" ,flags))))
+    (synopsis "Logical volume management for Linux (statically linked)")))
+
 (define-public wireless-tools
   (package
     (name "wireless-tools")
@@ -3128,7 +3145,7 @@ developers.")
                           (string-append "PREFIX=" %output))
        #:tests? #f))                    ; no tests
     (native-inputs
-     `(("gnu-gettext" ,gnu-gettext)
+     `(("gettext" ,gettext-minimal)
        ("pkg-config" ,pkg-config)))
     (inputs
      `(("libdrm" ,libdrm)
diff --git a/gnu/packages/mail.scm b/gnu/packages/mail.scm
index a485c1f5c3..9dcaea364c 100644
--- a/gnu/packages/mail.scm
+++ b/gnu/packages/mail.scm
@@ -537,14 +537,14 @@ invoking @command{notifymuch} from the post-new hook.")
 (define-public notmuch
   (package
     (name "notmuch")
-    (version "0.23.1")
+    (version "0.23.2")
     (source (origin
               (method url-fetch)
               (uri (string-append "https://notmuchmail.org/releases/notmuch-"
                                   version ".tar.gz"))
               (sha256
                (base32
-                "106ijsnilqf8760z4cq99rqzjsvyaw86d0lgnzz7v95gm4d2l0g8"))))
+                "1g4p5hsrqqbqk6s2w756als60wppvjgpyq104smy3w9vshl7bzgd"))))
     (build-system gnu-build-system)
     (arguments
      '(#:make-flags (list "V=1") ; Verbose test output.
@@ -568,6 +568,11 @@ invoking @command{notifymuch} from the post-new hook.")
                       ;; Patch various inline shell invocations.
                       (substitute* (find-files "test" "\\.sh$")
                         (("/bin/sh") (which "sh")))
+                      ;; XXX: Some signature verification tests fail with
+                      ;; gnupg-2.1.16, so we skip them. See this thread:
+                      ;; https://notmuchmail.org/pipermail/notmuch/2016/023688.html
+                      (setenv "NOTMUCH_SKIP_TESTS"
+                              "T350-crypto.2 T350-crypto.3 T350-crypto.4 T350-crypto.15")
                       #t)))))
     (native-inputs
      `(("bash-completion" ,bash-completion)
@@ -1471,15 +1476,15 @@ converts them to maildir format directories.")
 (define-public mpop
   (package
     (name "mpop")
-    (version "1.2.5")
+    (version "1.2.6")
     (source
      (origin
        (method url-fetch)
-       (uri (string-append "http://downloads.sourceforge.net/mpop/mpop-"
-                           version ".tar.xz"))
+       (uri (string-append "mirror://sourceforge/mpop/mpop/" version
+                           "/mpop-" version ".tar.xz"))
        (sha256
         (base32
-         "0n0ij258kn8lfa6nyr6l6plc4hf1wvyf1hkwicvdbjqdqrgjnq81"))))
+         "0p1ix63jh64dibrlccch8q7gxl9nn18wd2qpyr5z1h4gs2fpmv4z"))))
     (build-system gnu-build-system)
     (inputs
      `(("gnutls" ,gnutls)
@@ -1605,14 +1610,14 @@ transfer protocols.")
 (define-public opensmtpd
   (package
     (name "opensmtpd")
-    (version "5.9.2p1")
+    (version "6.0.2p1")
     (source (origin
               (method url-fetch)
               (uri (string-append "https://www.opensmtpd.org/archives/"
                                   name "-" version ".tar.gz"))
               (sha256
                (base32
-                "07d7f1m5sxyz6mkk228rcm7fsf7350994ayvmhgph333q5rz48im"))))
+                "1b4h64w45hpmfq5721smhg4s0shs64gbcjqjpx3fbiw4hz8bdy9a"))))
     (build-system gnu-build-system)
     (inputs
      `(("bdb" ,bdb)
@@ -1622,11 +1627,15 @@ transfer protocols.")
        ("linux-pam" ,linux-pam)
        ("zlib" ,zlib)))
     (native-inputs
-     `(("bison" ,bison)))
+     `(("bison" ,bison)
+       ("groff" ,groff)))
     (arguments
-     `(#:configure-flags (list "--with-table-db" "--localstatedir=/var"
-                               "--with-user-smtpd=smtpd" "--with-user-queue=smtpq"
-                               "--with-group-queue=smtpq")
+     `(#:configure-flags
+       (list "--with-table-db" "--localstatedir=/var"
+             "--with-user-smtpd=smtpd" "--with-user-queue=smtpq"
+             "--with-group-queue=smtpq"
+             "--with-path-socket=/var/run"
+             "--with-path-CAfile=/etc/ssl/certs/ca-certificates.crt")
        #:phases
        (modify-phases %standard-phases
          ;; OpenSMTPD provides a single utility smtpctl to control the daemon and
diff --git a/gnu/packages/maths.scm b/gnu/packages/maths.scm
index a1bd7846f8..0c51f6d54f 100644
--- a/gnu/packages/maths.scm
+++ b/gnu/packages/maths.scm
@@ -2723,7 +2723,6 @@ set.")
              ;; Custom install because docs/Makefile doesn't honor ${docdir}.
              (let* ((doc (assoc-ref outputs "doc"))
                     (docdir (string-append doc "/share/doc/hypre-" ,version)))
-               (mkdir-p docdir)
                (with-directory-excursion "docs"
                  (for-each (lambda (base)
                              (install-file (string-append base ".pdf") docdir)
diff --git a/gnu/packages/mp3.scm b/gnu/packages/mp3.scm
index ceef896a13..7f0099ee6d 100644
--- a/gnu/packages/mp3.scm
+++ b/gnu/packages/mp3.scm
@@ -441,7 +441,6 @@ format.")
            (lambda* (#:key outputs #:allow-other-keys)
              (let* ((out (assoc-ref outputs "out"))
                     (bin (string-append out "/bin")))
-               (mkdir-p bin)
                (install-file "mpc123" bin)))))
        #:tests? #f))
     (native-inputs
diff --git a/gnu/packages/mpd.scm b/gnu/packages/mpd.scm
index ec0861db11..d3da5f5daa 100644
--- a/gnu/packages/mpd.scm
+++ b/gnu/packages/mpd.scm
@@ -183,7 +183,7 @@ terminal using ncurses.")
 (define-public ncmpcpp
   (package
     (name "ncmpcpp")
-    (version "0.7.5")
+    (version "0.7.7")
     (source (origin
               (method url-fetch)
               (uri
@@ -191,7 +191,7 @@ terminal using ncurses.")
                               version ".tar.bz2"))
               (sha256
                (base32
-                "0zg084m06y7dd8ccy6aq9hx8q7qi2s5kl0br5139hrmk40q68kvy"))))
+                "1vq19m36608pvw1g8nbcaqqb89wsw05v35pi45xwr20z7g4bxg5p"))))
     (build-system gnu-build-system)
     (inputs `(("libmpdclient" ,libmpdclient)
               ("boost"  ,boost)
@@ -301,7 +301,7 @@ interface for the Music Player Daemon.")
                  `("GI_TYPELIB_PATH" ":" prefix (,gi-typelib-path))))
              #t)))))
     (native-inputs
-     `(("gettext" ,gnu-gettext)))
+     `(("gettext" ,gettext-minimal)))
     (inputs
      `(("python-mpd2" ,python-mpd2)
        ("gtk+" ,gtk+)
diff --git a/gnu/packages/music.scm b/gnu/packages/music.scm
index abcc498599..64e7455603 100644
--- a/gnu/packages/music.scm
+++ b/gnu/packages/music.scm
@@ -504,7 +504,7 @@ interface.  It is implemented as a frontend to @code{klick}.")
 (define-public lilypond
   (package
     (name "lilypond")
-    (version "2.19.33")
+    (version "2.19.51")
     (source (origin
               (method url-fetch)
               (uri (string-append
@@ -513,7 +513,7 @@ interface.  It is implemented as a frontend to @code{klick}.")
                     name "-" version ".tar.gz"))
               (sha256
                (base32
-                "0s4vbbfy4xwq4da4kmlnndalmcyx2jaz7y8praah2146qbnr90xh"))))
+                "1b4jvc0fixbnp8x457fzk5wgb4zd03npwwivp60kc27fmv63w5l1"))))
     (build-system gnu-build-system)
     (arguments
      `(#:tests? #f ; out-test/collated-files.html fails
@@ -881,7 +881,7 @@ users to select LV2 plugins and run them with jalv.")
 (define-public synthv1
   (package
     (name "synthv1")
-    (version "0.7.5")
+    (version "0.8.0")
     (source (origin
               (method url-fetch)
               (uri
@@ -889,7 +889,7 @@ users to select LV2 plugins and run them with jalv.")
                               "/synthv1-" version ".tar.gz"))
               (sha256
                (base32
-                "0h5zja78phf9705i9g54zh61iczb24iv7rxhljyms30sjgajig1y"))))
+                "155pfyhr6d35ciw95pbxlqy7751cmij8j5d849rvblqbjzyzb5qx"))))
     (build-system gnu-build-system)
     (arguments
      `(#:tests? #f ; There are no tests.
@@ -909,6 +909,74 @@ users to select LV2 plugins and run them with jalv.")
 oscillators and stereo effects.")
     (license license:gpl2+)))
 
+(define-public drumkv1
+  (package
+    (name "drumkv1")
+    (version "0.8.0")
+    (source (origin
+              (method url-fetch)
+              (uri
+               (string-append "mirror://sourceforge/drumkv1/drumkv1/" version
+                              "/drumkv1-" version ".tar.gz"))
+              (sha256
+               (base32
+                "1n2kd468kn71yp2asmamprvblmdlvh0zd8lsh3598dwi4b7aa3ga"))))
+    (build-system gnu-build-system)
+    (arguments
+     `(#:tests? #f ; There are no tests.
+       #:configure-flags
+       '("CXXFLAGS=-std=gnu++11")))
+    (inputs
+     `(("jack" ,jack-1)
+       ("lv2" ,lv2)
+       ("libsndfile" ,libsndfile)
+       ("alsa-lib" ,alsa-lib)
+       ("liblo" ,liblo)
+       ("qtbase" ,qtbase)))
+    (native-inputs
+     `(("pkg-config" ,pkg-config)
+       ("qttools" ,qttools)))
+    (home-page "http://drumkv1.sourceforge.net")
+    (synopsis "Drum-kit sampler synthesizer with stereo effects")
+    (description
+     "Drumkv1 is an old-school drum-kit sampler synthesizer with stereo
+effects.")
+    (license license:gpl2+)))
+
+(define-public samplv1
+  (package
+    (name "samplv1")
+    (version "0.8.0")
+    (source (origin
+              (method url-fetch)
+              (uri
+               (string-append "mirror://sourceforge/samplv1/samplv1/" version
+                              "/samplv1-" version ".tar.gz"))
+              (sha256
+               (base32
+                "0j3hkmd9q0bw9b7nk9cssqywlrishkd1n790a9vq6gh3pdc5sf3r"))))
+    (build-system gnu-build-system)
+    (arguments
+     `(#:tests? #f ; There are no tests.
+       #:configure-flags
+       '("CXXFLAGS=-std=gnu++11")))
+    (inputs
+     `(("jack" ,jack-1)
+       ("lv2" ,lv2)
+       ("libsndfile" ,libsndfile)
+       ("alsa-lib" ,alsa-lib)
+       ("liblo" ,liblo)
+       ("qtbase" ,qtbase)))
+    (native-inputs
+     `(("pkg-config" ,pkg-config)
+       ("qttools" ,qttools)))
+    (home-page "http://samplv1.sourceforge.net")
+    (synopsis "Polyphonic sampler synthesizer with stereo effects")
+    (description
+     "Samplv1 is an old-school polyphonic sampler synthesizer with stereo
+effects.")
+    (license license:gpl2+)))
+
 (define-public amsynth
   (package
     (name "amsynth")
@@ -1148,7 +1216,6 @@ is subjective.")
                     (lib   (string-append share "/java"))
                     (swt   (assoc-ref inputs "java-swt")))
                (mkdir-p bin)
-               (mkdir-p lib)
                ;; install all jars
                (for-each (lambda (file)
                            (install-file file lib))
@@ -1407,7 +1474,7 @@ backends, including ALSA, OSS, Network and FluidSynth.")
 (define-public zynaddsubfx
   (package
     (name "zynaddsubfx")
-    (version "2.5.4")
+    (version "3.0.0")
     (source (origin
               (method url-fetch)
               (uri (string-append
@@ -1415,7 +1482,7 @@ backends, including ALSA, OSS, Network and FluidSynth.")
                     version "/zynaddsubfx-" version ".tar.bz2"))
               (sha256
                (base32
-                "16llaa2wg2gbgjhwp3632b2vx9jvanj4csv7d41k233ms6d1sjq1"))))
+                "0p640hlw28264nzrnd2lm4bi5snas4fvh80p8lpxvph2hjw3sncl"))))
     (build-system cmake-build-system)
     (arguments
      `(#:phases
@@ -1433,6 +1500,7 @@ backends, including ALSA, OSS, Network and FluidSynth.")
     (inputs
      `(("liblo" ,liblo)
        ("ntk" ,ntk)
+       ("mesa" ,mesa)
        ("alsa-lib" ,alsa-lib)
        ("jack" ,jack-1)
        ("fftw" ,fftw)
@@ -2177,8 +2245,8 @@ simulation of a push pull transistor fuzz effect with added high octave."))))
 pedal."))))
 
 (define-public gx-saturator-lv2
-  (let ((commit "361399245d234b4d02f11f066d25ac15d90c6bf8")
-        (revision "1"))
+  (let ((commit "0b581ac85c515325b9f16e51937cae6e1bf81a0a")
+        (revision "2"))
     (package (inherit gx-guvnor-lv2)
       (name "gx-saturator-lv2")
       (version (string-append "0-" revision "." (string-take commit 9)))
@@ -2189,27 +2257,16 @@ pedal."))))
                       (commit commit)))
                 (sha256
                  (base32
-                  "13cf5gxr2wzp5954hdhbl79v98a665ll5434mb3668p4j33sv217"))
+                  "1cl785pzq8zk55m1rnhfd6qsabci6kpf4pf002gwr91vagyq246z"))
                 (file-name (string-append name "-" version "-checkout"))))
-      (arguments
-       (substitute-keyword-arguments (package-arguments gx-guvnor-lv2)
-         ((#:phases phases)
-          `(modify-phases ,phases
-             (add-after 'unpack 'escape-shell-commands
-               (lambda _
-                 (substitute* "Makefile"
-                   (("cat ") "$(shell cat ")
-                   (("/dev/null") "/dev/null)")
-                   (("SSE_CFLAGS = \"\"") "SSE_CFLAGS ="))
-                 #t))))))
       (home-page "https://github.com/brummer10/GxSaturator.lv2")
       (synopsis "Saturation effect")
       (description "This package provides the LV2 plugin \"GxSaturator\", a
 saturation effect."))))
 
 (define-public gx-hyperion-lv2
-  (let ((commit "7d993bc77f9946b3df0e481632c61b2dcbb6549f")
-        (revision "1"))
+  (let ((commit "6a096a664e553e551e179e85cf390bd1683410fb")
+        (revision "2"))
     (package (inherit gx-guvnor-lv2)
       (name "gx-hyperion-lv2")
       (version (string-append "0-" revision "." (string-take commit 9)))
@@ -2220,27 +2277,16 @@ saturation effect."))))
                       (commit commit)))
                 (sha256
                  (base32
-                  "12klcyc6l9v93ii3478mqz44jzvh5np1sk8zzdmz42jp0w8qd429"))
+                  "1ksv3wmylhwbf6kjl2lnhr14h9rfl291cfm21471gnb1r68yqfxh"))
                 (file-name (string-append name "-" version "-checkout"))))
-      (arguments
-       (substitute-keyword-arguments (package-arguments gx-guvnor-lv2)
-         ((#:phases phases)
-          `(modify-phases ,phases
-             (add-after 'unpack 'escape-shell-commands
-               (lambda _
-                 (substitute* "Makefile"
-                   (("cat ") "$(shell cat ")
-                   (("/dev/null") "/dev/null)")
-                   (("SSE_CFLAGS = \"\"") "SSE_CFLAGS ="))
-                 #t))))))
       (home-page "https://github.com/brummer10/GxHyperion.lv2")
       (synopsis "Simulation of the Hyperion Fuzz pedal")
       (description "This package provides the LV2 plugin \"GxHyperion\", a
 simulation of the Hyperion Fuzz pedal."))))
 
 (define-public gx-voodoo-fuzz-lv2
-  (let ((commit "d2d6b27bc279f98c2fd11bbd58ffe2fb2c321ec4")
-        (revision "1"))
+  (let ((commit "aec7889b489385e8add06126e7a36ae2e26254b1")
+        (revision "2"))
     (package (inherit gx-guvnor-lv2)
       (name "gx-voodoo-fuzz-lv2")
       (version (string-append "0-" revision "." (string-take commit 9)))
@@ -2251,19 +2297,8 @@ simulation of the Hyperion Fuzz pedal."))))
                       (commit commit)))
                 (sha256
                  (base32
-                  "1ji915bly588a8xwvwspvsqv0nh8ljgi6rky2mk1d9d6nz96jrbk"))
+                  "0mc41ldlv89069iaysnfiqxy5h5sr8mdi5cxm3ij5q5v4jv3viwx"))
                 (file-name (string-append name "-" version "-checkout"))))
-      (arguments
-       (substitute-keyword-arguments (package-arguments gx-guvnor-lv2)
-         ((#:phases phases)
-          `(modify-phases ,phases
-             (add-after 'unpack 'escape-shell-commands
-               (lambda _
-                 (substitute* "Makefile"
-                   (("cat ") "$(shell cat ")
-                   (("/dev/null") "/dev/null)")
-                   (("SSE_CFLAGS = \"\"") "SSE_CFLAGS ="))
-                 #t))))))
       (home-page "https://github.com/brummer10/GxVoodoFuzz.lv2")
       (synopsis "Fuzz effect modelled after the Voodoo Lab SuperFuzz")
       (description "This package provides the LV2 plugin \"GxVoodooFuzz\", a
@@ -2272,8 +2307,8 @@ Bosstone circuit, followed by the tone control of the FoxToneMachine in
 parallel with a DarkBooster, followed by a volume control."))))
 
 (define-public gx-super-fuzz-lv2
-  (let ((commit "9800354caeb4082a64ca55b2daa9a9a1f79b8c21")
-        (revision "1"))
+  (let ((commit "f40389575812c909007d140d327ce579930b71f7")
+        (revision "2"))
     (package (inherit gx-guvnor-lv2)
       (name "gx-super-fuzz-lv2")
       (version (string-append "0-" revision "." (string-take commit 9)))
@@ -2284,19 +2319,8 @@ parallel with a DarkBooster, followed by a volume control."))))
                       (commit commit)))
                 (sha256
                  (base32
-                  "1jclp53p01h94cpx17wm4765r7klbr41g7bvq87l53qwlrgkc7a9"))
+                  "174bibj8qzm8zr6f5h8bcj94iry17zravk8flpdy84n6yg7cixji"))
                 (file-name (string-append name "-" version "-checkout"))))
-      (arguments
-       (substitute-keyword-arguments (package-arguments gx-guvnor-lv2)
-         ((#:phases phases)
-          `(modify-phases ,phases
-             (add-after 'unpack 'escape-shell-commands
-               (lambda _
-                 (substitute* "Makefile"
-                   (("cat ") "$(shell cat ")
-                   (("/dev/null") "/dev/null)")
-                   (("SSE_CFLAGS = \"\"") "SSE_CFLAGS ="))
-                 #t))))))
       (home-page "https://github.com/brummer10/GxSuperFuzz.lv2")
       (synopsis "Fuzz effect modelled after the UniVox SuperFuzz")
       (description "This package provides the LV2 plugin \"GxVoodooFuzz\", an
@@ -2305,8 +2329,8 @@ pot, which is usualy in the housing, is exposed as a control parameter.  It
 adjusts the amount of harmonics."))))
 
 (define-public gx-vintage-fuzz-master-lv2
-  (let ((commit "c3ab9a3019a8381a398718b98615940b4a225b9e")
-        (revision "1"))
+  (let ((commit "0fec0bc1e8a8ba909a68e916e036138a3425d7db")
+        (revision "2"))
     (package (inherit gx-guvnor-lv2)
       (name "gx-vintage-fuzz-master-lv2")
       (version (string-append "0-" revision "." (string-take commit 9)))
@@ -2317,27 +2341,16 @@ adjusts the amount of harmonics."))))
                       (commit commit)))
                 (sha256
                  (base32
-                  "0s1ghysggx6psalyhcpgjnmf38vama6jcqgbldqmxii5c2w2ybsc"))
+                  "06szi6d2iwkygbw5azhwzhcl2as4lmk2gs9hanngsf46a1zbdcp7"))
                 (file-name (string-append name "-" version "-checkout"))))
-      (arguments
-       (substitute-keyword-arguments (package-arguments gx-guvnor-lv2)
-         ((#:phases phases)
-          `(modify-phases ,phases
-             (add-after 'unpack 'escape-shell-commands
-               (lambda _
-                 (substitute* "Makefile"
-                   (("cat ") "$(shell cat ")
-                   (("/dev/null") "/dev/null)")
-                   (("SSE_CFLAGS = \"\"") "SSE_CFLAGS ="))
-                 #t))))))
       (home-page "https://github.com/brummer10/GxVintageFuzzMaster.lv2")
       (synopsis "Fuzz effect simulation of the vintage Fuzz Master")
       (description "This package provides the LV2 plugin
 \"GxVintageFuzzMaster\", a simulation of the vintage Fuzz Master pedal."))))
 
 (define-public gx-slow-gear-lv2
-  (let ((commit "1071c2b2936ebad859242cb578af2f3415f8900f")
-        (revision "1"))
+  (let ((commit "cb852e0426f4e6fe077e7f1ede73a4da335cfc5e")
+        (revision "2"))
     (package (inherit gx-guvnor-lv2)
       (name "gx-slow-gear-lv2")
       (version (string-append "0-" revision "." (string-take commit 9)))
@@ -2348,27 +2361,16 @@ adjusts the amount of harmonics."))))
                       (commit commit)))
                 (sha256
                  (base32
-                  "0c6099h5qkv7ilsvxxcrzwy1h6lkld1srh3fvbjxyw9q34kbqsyl"))
+                  "0dp7afi1r3kzciiyn1hrkz6arsq47ys9sx5g4b7xa9k1dv92ishp"))
                 (file-name (string-append name "-" version "-checkout"))))
-      (arguments
-       (substitute-keyword-arguments (package-arguments gx-guvnor-lv2)
-         ((#:phases phases)
-          `(modify-phases ,phases
-             (add-after 'unpack 'escape-shell-commands
-               (lambda _
-                 (substitute* "Makefile"
-                   (("cat ") "$(shell cat ")
-                   (("/dev/null") "/dev/null)")
-                   (("SSE_CFLAGS = \"\"") "SSE_CFLAGS ="))
-                 #t))))))
       (home-page "https://github.com/brummer10/GxSlowGear.lv2")
       (synopsis "Slow gear audio effect")
       (description "This package provides the LV2 plugin \"GxSlowGear\", a
 slow gear audio effect to produce volume swells."))))
 
 (define-public gx-switchless-wah-lv2
-  (let ((commit "1d466240c482b7ce9136aee39044068ab96f1c92")
-        (revision "1"))
+  (let ((commit "7b08691203314612999f0ce2328cdc1161cd6665")
+        (revision "2"))
     (package (inherit gx-guvnor-lv2)
       (name "gx-switchless-wah-lv2")
       (version (string-append "0-" revision "." (string-take commit 9)))
@@ -2379,19 +2381,8 @@ slow gear audio effect to produce volume swells."))))
                       (commit commit)))
                 (sha256
                  (base32
-                  "0g6njgsm8s76n6yys09a8w77z93pjjgqq9hzhhsrl73hhvyr9qmy"))
+                  "04jqfpncmrrqn34p21w4v9m2x5a5wsqwbm4f3byxvq4vcibwxzk2"))
                 (file-name (string-append name "-" version "-checkout"))))
-      (arguments
-       (substitute-keyword-arguments (package-arguments gx-guvnor-lv2)
-         ((#:phases phases)
-          `(modify-phases ,phases
-             (add-after 'unpack 'escape-shell-commands
-               (lambda _
-                 (substitute* "Makefile"
-                   (("cat ") "$(shell cat ")
-                   (("/dev/null") "/dev/null)")
-                   (("SSE_CFLAGS = \"\"") "SSE_CFLAGS ="))
-                 #t))))))
       (home-page "https://github.com/brummer10/GxSwitchlessWah.lv2")
       (synopsis "Wah emulation with switchless activation")
       (description "This package provides the LV2 plugin \"GxSwitchlessWah\",
diff --git a/gnu/packages/networking.scm b/gnu/packages/networking.scm
index f19cebeb13..de7aaf0680 100644
--- a/gnu/packages/networking.scm
+++ b/gnu/packages/networking.scm
@@ -454,7 +454,7 @@ and up to 1 Mbit/s downstream.")
     (inputs
      `(("libidn" ,libidn)))
     (native-inputs
-     `(("gettext" ,gnu-gettext)
+     `(("gettext" ,gettext-minimal)
        ("perl" ,perl)))
     (synopsis "Improved whois client")
     (description "This whois client is intelligent and can
@@ -467,7 +467,7 @@ which can be used to encrypt a password with @code{crypt(3)}.")
 (define-public wireshark
   (package
     (name "wireshark")
-    (version "2.2.1")
+    (version "2.2.2")
     (synopsis "Network traffic analyzer")
     (source
      (origin
@@ -476,7 +476,7 @@ which can be used to encrypt a password with @code{crypt(3)}.")
                            version ".tar.bz2"))
        (sha256
         (base32
-         "0jciaqz119vmznd8mi4gq5dgwz7vn453cnm2086mxcy80jpj43lh"))))
+         "1csm035ayfzn1xzzsmzcjk2ixx39d70aykr4nh0a88chk9gfzb7r"))))
     (build-system glib-or-gtk-build-system)
     (inputs `(("bison" ,bison)
               ("c-ares" ,c-ares)
diff --git a/gnu/packages/package-management.scm b/gnu/packages/package-management.scm
index 8c8a267fa7..051dff34b7 100644
--- a/gnu/packages/package-management.scm
+++ b/gnu/packages/package-management.scm
@@ -166,7 +166,7 @@
                      ;; guix' always contains them.
                      ("autoconf" ,(autoconf-wrapper))
                      ("automake" ,automake)
-                     ("gettext" ,gnu-gettext)
+                     ("gettext" ,gettext-minimal)
                      ("texinfo" ,texinfo)
                      ("graphviz" ,graphviz)
                      ("help2man" ,help2man)))
@@ -222,9 +222,9 @@ the Nix package manager.")
   ;;
   ;; Note: use a very short commit id; with a longer one, the limit on
   ;; hash-bang lines would be exceeded while running the tests.
-  (let ((commit "7ca37da855fd921fa3925bb62f8015f770b7e784"))
+  (let ((commit "1f410017ff91458feda8c5788223d17696b71e36"))
     (package (inherit guix-0.11.0)
-      (version (string-append "0.11.0-3." (string-take commit 4)))
+      (version (string-append "0.11.0-4." (string-take commit 4)))
       (source (origin
                 (method git-fetch)
                 (uri (git-reference
@@ -234,7 +234,7 @@ the Nix package manager.")
                       (commit commit)))
                 (sha256
                  (base32
-                  "0bw5y9rgy2jq81lrd0g5c3gqpmlrjlgv0ynn7kz8v08lxkidaw8s"))
+                  "1mgzcbf1mry39wvvjflj76zggsshsip2pngxpaf2479yr3ri6v50"))
                 (file-name (string-append "guix-" version "-checkout"))))
       (arguments
        (substitute-keyword-arguments (package-arguments guix-0.11.0)
diff --git a/gnu/packages/patches/gd-fix-chunk-size-on-boundaries.patch b/gnu/packages/patches/gd-fix-chunk-size-on-boundaries.patch
new file mode 100644
index 0000000000..e395c66d89
--- /dev/null
+++ b/gnu/packages/patches/gd-fix-chunk-size-on-boundaries.patch
@@ -0,0 +1,102 @@
+This fixes PHP bug #73155: https://bugs.php.net/bug.php?id=73155
+
+Patch adapted from upstream source repository:
+
+https://github.com/libgd/libgd/commit/8067a8ac336dfe0acbe96ec2eb24572209a7f279
+
+(.gitignore change removed)
+
+From 8067a8ac336dfe0acbe96ec2eb24572209a7f279 Mon Sep 17 00:00:00 2001
+From: "Christoph M. Becker" <cmbecker69@gmx.de>
+Date: Fri, 23 Sep 2016 18:29:52 +0200
+Subject: [PATCH] Fix #309: gdImageGd2() writes wrong chunk sizes on boundaries
+
+(cherry picked from commit bb1998a16e30d542ab22eba5501911a9aa066edb)
+---
+ src/gd_gd2.c             |  4 ++--
+ tests/gd2/CMakeLists.txt |  1 +
+ tests/gd2/Makemodule.am  |  1 +
+ tests/gd2/bug00309.c     | 37 +++++++++++++++++++++++++++++++++++++
+ 4 files changed, 41 insertions(+), 2 deletions(-)
+ create mode 100644 tests/gd2/bug00309.c
+
+diff --git a/src/gd_gd2.c b/src/gd_gd2.c
+index 75e5e1f..b9b2f93 100644
+--- a/src/gd_gd2.c
++++ b/src/gd_gd2.c
+@@ -938,8 +938,8 @@ _gdImageGd2 (gdImagePtr im, gdIOCtx * out, int cs, int fmt)
+ 	};
+ 
+ 	/* Work out number of chunks. */
+-	ncx = im->sx / cs + 1;
+-	ncy = im->sy / cs + 1;
++	ncx = (im->sx + cs - 1) / cs;
++	ncy = (im->sy + cs - 1) / cs;
+ 
+ 	/* Write the standard header. */
+ 	_gd2PutHeader (im, out, cs, fmt, ncx, ncy);
+diff --git a/tests/gd2/CMakeLists.txt b/tests/gd2/CMakeLists.txt
+index 3b650ad..247b466 100644
+--- a/tests/gd2/CMakeLists.txt
++++ b/tests/gd2/CMakeLists.txt
+@@ -1,5 +1,6 @@
+ SET(TESTS_FILES
+ 	bug_289
++	bug00309
+ 	gd2_empty_file
+ 	gd2_im2im
+ 	gd2_null
+diff --git a/tests/gd2/Makemodule.am b/tests/gd2/Makemodule.am
+index b8ee946..d69aee0 100644
+--- a/tests/gd2/Makemodule.am
++++ b/tests/gd2/Makemodule.am
+@@ -1,5 +1,6 @@
+ libgd_test_programs += \
+ 	gd2/bug_289 \
++	gd2/bug00309 \
+ 	gd2/gd2_empty_file \
+ 	gd2/php_bug_72339 \
+ 	gd2/gd2_read_corrupt
+diff --git a/tests/gd2/bug00309.c b/tests/gd2/bug00309.c
+new file mode 100644
+index 0000000..b649cdc
+--- /dev/null
++++ b/tests/gd2/bug00309.c
+@@ -0,0 +1,37 @@
++/**
++ * Regression test for <https://github.com/libgd/libgd/issues/309>.
++ *
++ * We test that an image with 64x64 pixels reports only a single chunk in the
++ * GD2 image header when the chunk size is 64.
++ */
++
++
++#include "gd.h"
++#include "gdtest.h"
++
++
++int main()
++{
++    gdImagePtr im;
++    unsigned char *buf;
++    int size, word;
++
++    im = gdImageCreate(64, 64);
++    gdImageColorAllocate(im, 0, 0, 0);
++
++    buf = gdImageGd2Ptr(im, 64, 1, &size);
++
++    gdImageDestroy(im);
++
++    word = buf[10] << 8 | buf[11];
++    gdTestAssertMsg(word == 64, "chunk size is %d, but expected 64\n", word);
++    word = buf[14] << 8 | buf[15];
++    gdTestAssertMsg(word == 1, "x chunk count is %d, but expected 1\n", word);
++    word = buf[16] << 8 | buf[17];
++    gdTestAssertMsg(word == 1, "y chunk count is %d, but expected 1\n", word);
++    gdTestAssertMsg(size == 5145, "file size is %d, but expected 5145\n", size);
++
++    gdFree(buf);
++
++    return gdNumFailures();
++}
diff --git a/gnu/packages/patches/gd-fix-truecolor-format-correction.patch b/gnu/packages/patches/gd-fix-truecolor-format-correction.patch
new file mode 100644
index 0000000000..be3eff9327
--- /dev/null
+++ b/gnu/packages/patches/gd-fix-truecolor-format-correction.patch
@@ -0,0 +1,95 @@
+This fixes PHP bug #73159: https://bugs.php.net/bug.php?id=73159
+
+Patch lifted from upstream source repository:
+
+https://github.com/libgd/libgd/commit/e1f61a4141d2e0937a13b8bfb1992b9f29eb05f5
+
+From e1f61a4141d2e0937a13b8bfb1992b9f29eb05f5 Mon Sep 17 00:00:00 2001
+From: "Christoph M. Becker" <cmbecker69@gmx.de>
+Date: Mon, 15 Aug 2016 17:49:40 +0200
+Subject: [PATCH] Fix #289: Passing unrecognized formats to gdImageGd2 results
+ in corrupted files
+
+We must not apply the format correction twice for truecolor images.
+
+(cherry picked from commit 09090c125658e23a4ae2a2e002646bb7278bd89e)
+---
+ src/gd_gd2.c             |  2 +-
+ tests/gd2/CMakeLists.txt |  1 +
+ tests/gd2/Makemodule.am  |  1 +
+ tests/gd2/bug_289.c      | 33 +++++++++++++++++++++++++++++++++
+ 4 files changed, 36 insertions(+), 1 deletion(-)
+ create mode 100644 tests/gd2/bug_289.c
+
+diff --git a/src/gd_gd2.c b/src/gd_gd2.c
+index 86c881e..75e5e1f 100644
+--- a/src/gd_gd2.c
++++ b/src/gd_gd2.c
+@@ -918,7 +918,7 @@ _gdImageGd2 (gdImagePtr im, gdIOCtx * out, int cs, int fmt)
+ 	/* Force fmt to a valid value since we don't return anything. */
+ 	/* */
+ 	if ((fmt != GD2_FMT_RAW) && (fmt != GD2_FMT_COMPRESSED)) {
+-		fmt = im->trueColor ? GD2_FMT_TRUECOLOR_COMPRESSED : GD2_FMT_COMPRESSED;
++		fmt = GD2_FMT_COMPRESSED;
+ 	};
+ 	if (im->trueColor) {
+ 		fmt += 2;
+diff --git a/tests/gd2/CMakeLists.txt b/tests/gd2/CMakeLists.txt
+index 8aecacc..3b650ad 100644
+--- a/tests/gd2/CMakeLists.txt
++++ b/tests/gd2/CMakeLists.txt
+@@ -1,4 +1,5 @@
+ SET(TESTS_FILES
++	bug_289
+ 	gd2_empty_file
+ 	gd2_im2im
+ 	gd2_null
+diff --git a/tests/gd2/Makemodule.am b/tests/gd2/Makemodule.am
+index 754a284..b8ee946 100644
+--- a/tests/gd2/Makemodule.am
++++ b/tests/gd2/Makemodule.am
+@@ -1,4 +1,5 @@
+ libgd_test_programs += \
++	gd2/bug_289 \
+ 	gd2/gd2_empty_file \
+ 	gd2/php_bug_72339 \
+ 	gd2/gd2_read_corrupt
+diff --git a/tests/gd2/bug_289.c b/tests/gd2/bug_289.c
+new file mode 100644
+index 0000000..ad311e9
+--- /dev/null
++++ b/tests/gd2/bug_289.c
+@@ -0,0 +1,33 @@
++/**
++ * Passing an unrecognized format to gdImageGd2() should result in
++ * GD2_FMT_TRUECOLOR_COMPRESSED for truecolor images.
++ *
++ * See <https://github.com/libgd/libgd/issues/289>.
++ */
++
++#include "gd.h"
++#include "gdtest.h"
++
++
++#define GD2_FMT_UNRECOGNIZED 0
++#define GD2_FMT_TRUECOLOR_COMPRESSED 4
++
++#define MSG "expected %s byte to be %d, but got %d\n"
++
++
++int main()
++{
++    gdImagePtr im;
++    char *buffer;
++    int size;
++
++    im = gdImageCreateTrueColor(10, 10);
++    gdTestAssert(im != NULL);
++    buffer = (char *) gdImageGd2Ptr(im, 128, GD2_FMT_UNRECOGNIZED, &size);
++    gdTestAssert(buffer != NULL);
++    gdImageDestroy(im);
++    gdTestAssertMsg(buffer[12] == 0, MSG, "1st", 0, buffer[12]);
++    gdTestAssertMsg(buffer[13] == GD2_FMT_TRUECOLOR_COMPRESSED, MSG, "2nd", GD2_FMT_TRUECOLOR_COMPRESSED, buffer[13]);
++
++    return gdNumFailures();
++}
diff --git a/gnu/packages/patches/guile-repl-server-test.patch b/gnu/packages/patches/guile-repl-server-test.patch
new file mode 100644
index 0000000000..81e724ecc4
--- /dev/null
+++ b/gnu/packages/patches/guile-repl-server-test.patch
@@ -0,0 +1,48 @@
+commit 8d6209ea56241bb1890c142539927c9ef3fb5a13
+Author: Ludovic Courtès <ludo@gnu.org>
+Date:   Fri Nov 4 22:44:32 2016 +0100
+
+    tests: Throw 'unresolved when the REPL server is too slow.
+
+commit 2fbde7f02adb8c6585e9baf6e293ee49cd23d4c4
+Author: Ludovic Courtès <ludo@gnu.org>
+Date:   Fri Nov 4 22:45:51 2016 +0100
+
+    tests: Avoid race condition in REPL server test.
+
+index ca389ba..4b5ec0c 100644
+--- a/test-suite/tests/00-repl-server.test
++++ b/test-suite/tests/00-repl-server.test
+@@ -61,10 +61,11 @@ socket connected to that server."
+                (lambda ()
+                  (connect client-socket sockaddr))
+                (lambda args
+-                 (when (and (memv (system-error-errno args)
+-                                  (list ENOENT ECONNREFUSED))
+-                            (< tries 3))
+-                   (sleep 1)
++                 (when (memv (system-error-errno args)
++                             (list ENOENT ECONNREFUSED))
++                   (when (> tries 30)
++                     (throw 'unresolved))
++                   (usleep 100)
+                    (loop (+ tries 1))))))
+ 
+            (proc client-socket))
+@@ -104,8 +105,14 @@ reached."
+       "scheme@(repl-server)> $1 = 42\n"
+     (with-repl-server socket
+       (read-until-prompt socket %last-line-before-prompt)
+-      (display "(+ 40 2)\n(quit)\n" socket)
+-      (read-string socket)))
++
++      ;; Wait until 'repl-reader' in boot-9 has written the prompt.
++      ;; Otherwise, if we write too quickly, 'repl-reader' checks for
++      ;; 'char-ready?' and doesn't print the prompt.
++      (match (select (list socket) '() (list socket) 3)
++        (((_) () ())
++         (display "(+ 40 2)\n(quit)\n" socket)
++         (read-string socket)))))
+ 
+   (pass-if "HTTP inter-protocol attack"           ;CVE-2016-8606
+     (with-repl-server socket
diff --git a/gnu/packages/patches/handbrake-pkg-config-path.patch b/gnu/packages/patches/handbrake-pkg-config-path.patch
new file mode 100644
index 0000000000..18f3953eaa
--- /dev/null
+++ b/gnu/packages/patches/handbrake-pkg-config-path.patch
@@ -0,0 +1,24 @@
+Do not clobber PKG_CONFIG_PATH during configure.
+
+--- HandBrake-0.10.5/gtk/module.rules.orig	2016-02-11 14:14:05.000000000 -0600
++++ HandBrake-0.10.5/gtk/module.rules	2016-10-29 22:27:50.550960848 -0500
+@@ -15,7 +15,7 @@
+ 	set -e; cd $(GTK.src/); NOCONFIGURE=1 ./autogen.sh
+ 	set -e; cd $(GTK.build/); $(call fn.ABSOLUTE,$(GTK.src/))configure \
+ 		$(GTK.CONFIGURE.extra) \
+-		PKG_CONFIG_PATH=$(BUILD/)contrib/lib/pkgconfig \
++		PKG_CONFIG_PATH=$(BUILD/)contrib/lib/pkgconfig$(if $(PKG_CONFIG_PATH),:)$(PKG_CONFIG_PATH) \
+ 	    CFLAGS="$(call fn.ARGS,GTK.GCC,.g .O *D ?extra)" \
+ 	    LDFLAGS="$(call fn.ARGS,GTK.GCC,?strip .g .O ?extra.exe)" \
+ 	    --prefix=$(PREFIX) \
+--- Handbrake-0.10.5-0.77d09e9-checkout/make/include/contrib.defs	1969-12-31 18:00:00.000000000 -0600
++++ Handbrake-0.10.5-0.77d09e9-checkout/make/include/contrib.defs	2016-11-01 13:11:43.826144311 -0500
+@@ -119,7 +119,7 @@
+     endif
+     $(1).CONFIGURE.env.CPPFLAGS = CPPFLAGS="-I$$(call fn.ABSOLUTE,$(CONTRIB.build/))include $$(call fn.ARGS,$(1).GCC,*archs *sysroot *minver ?extra *D)"
+     $(1).CONFIGURE.env.LDFLAGS  = LDFLAGS="-L$$(call fn.ABSOLUTE,$(CONTRIB.build/))lib $$(call fn.ARGS,$(1).GCC,*archs *sysroot *minver ?extra.exe *D)"
+-    $(1).CONFIGURE.env.PKG_CONFIG_PATH  = PKG_CONFIG_PATH="$$(call fn.ABSOLUTE,$$(CONTRIB.build/))lib/pkgconfig"
++    $(1).CONFIGURE.env.PKG_CONFIG_PATH  = PKG_CONFIG_PATH="$$(call fn.ABSOLUTE,$$(CONTRIB.build/))lib/pkgconfig$(if $(PKG_CONFIG_PATH),:)$(PKG_CONFIG_PATH)"
+ 
+     $(1).CONFIGURE.env.args = !CC !CFLAGS !CXX !CXXFLAGS !CPPFLAGS !LD !LDFLAGS !PKG_CONFIG_PATH !LOCAL_PATH !CROSS
+     $(1).CONFIGURE.env = $$(call fn.ARGS,$(1).CONFIGURE.env,$$($(1).CONFIGURE.env.args))
diff --git a/gnu/packages/patches/icecat-CVE-2016-9064.patch b/gnu/packages/patches/icecat-CVE-2016-9064.patch
new file mode 100644
index 0000000000..a5393815e0
--- /dev/null
+++ b/gnu/packages/patches/icecat-CVE-2016-9064.patch
@@ -0,0 +1,996 @@
+Copied from
+<https://hg.mozilla.org/releases/mozilla-esr45/raw-rev/00c2b7baaa0b>
+but with one hunk omitted: the git binary patch for
+toolkit/mozapps/extensions/test/addons/test_update_multi2/addon.xpi
+which is not present in the IceCat sources.
+
+# HG changeset patch
+# User Andrew Swan <aswan@mozilla.com>
+# Date 1474063218 25200
+# Node ID 00c2b7baaa0b4bfb7d5f1aac31c094ea6b255e1f
+# Parent  46b07bdbf8b20cf3fdc28104add57ff58a55832b
+Bug 1303418 - Don't allow upgrades that change the addon ID. r=mossop, a=lizzard
+
+MozReview-Commit-ID: JHINo8ShmeI
+
+diff --git a/toolkit/mozapps/extensions/AddonManager.jsm b/toolkit/mozapps/extensions/AddonManager.jsm
+--- a/toolkit/mozapps/extensions/AddonManager.jsm
++++ b/toolkit/mozapps/extensions/AddonManager.jsm
+@@ -2956,16 +2956,18 @@ this.AddonManager = {
+   // The downloaded file seems to be corrupted in some way.
+   ERROR_CORRUPT_FILE: -3,
+   // An error occured trying to write to the filesystem.
+   ERROR_FILE_ACCESS: -4,
+   // The add-on must be signed and isn't.
+   ERROR_SIGNEDSTATE_REQUIRED: -5,
+   // The downloaded add-on had a different type than expected.
+   ERROR_UNEXPECTED_ADDON_TYPE: -6,
++  // The addon did not have the expected ID
++  ERROR_INCORRECT_ID: -7,
+ 
+   // These must be kept in sync with AddonUpdateChecker.
+   // No error was encountered.
+   UPDATE_STATUS_NO_ERROR: 0,
+   // The update check timed out
+   UPDATE_STATUS_TIMEOUT: -1,
+   // There was an error while downloading the update information.
+   UPDATE_STATUS_DOWNLOAD_ERROR: -2,
+diff --git a/toolkit/mozapps/extensions/internal/XPIProvider.jsm b/toolkit/mozapps/extensions/internal/XPIProvider.jsm
+--- a/toolkit/mozapps/extensions/internal/XPIProvider.jsm
++++ b/toolkit/mozapps/extensions/internal/XPIProvider.jsm
+@@ -5473,16 +5473,37 @@ AddonInstall.prototype = {
+       // loadManifestFromZipReader performs the certificate verification for us
+       this.addon = yield loadManifestFromZipReader(zipreader, this.installLocation);
+     }
+     catch (e) {
+       zipreader.close();
+       return Promise.reject([AddonManager.ERROR_CORRUPT_FILE, e]);
+     }
+ 
++    if (this.existingAddon) {
++      // Check various conditions related to upgrades
++      if (this.addon.id != this.existingAddon.id) {
++        zipreader.close();
++        return Promise.reject([AddonManager.ERROR_INCORRECT_ID,
++                               `Refusing to upgrade addon ${this.existingAddon.id} to different ID ${this.addon.id}`]);
++      }
++
++      if (this.addon.type == "multipackage") {
++        zipreader.close();
++        return Promise.reject([AddonManager.ERROR_UNEXPECTED_ADDON_TYPE,
++                               `Refusing to upgrade addon ${this.existingAddon.id} to a multi-package xpi`]);
++      }
++
++      if (this.existingAddon.type == "webextension" && this.addon.type != "webextension") {
++        zipreader.close();
++        return Promise.reject([AddonManager.ERROR_UNEXPECTED_ADDON_TYPE,
++                               "Webextensions may not be updated to other extension types"]);
++      }
++    }
++
+     if (mustSign(this.addon.type)) {
+       if (this.addon.signedState <= AddonManager.SIGNEDSTATE_MISSING) {
+         // This add-on isn't properly signed by a signature that chains to the
+         // trusted root.
+         let state = this.addon.signedState;
+         this.addon = null;
+         zipreader.close();
+ 
+@@ -5510,23 +5531,16 @@ AddonInstall.prototype = {
+         } else {
+           zipreader.close();
+           return Promise.reject([AddonManager.ERROR_CORRUPT_FILE,
+                                  "XPI is incorrectly signed"]);
+         }
+       }
+     }
+ 
+-    if (this.existingAddon && this.existingAddon.type == "webextension" &&
+-        this.addon.type != "webextension") {
+-      zipreader.close();
+-      return Promise.reject([AddonManager.ERROR_UNEXPECTED_ADDON_TYPE,
+-                             "WebExtensions may not be upated to other extension types"]);
+-    }
+-
+     if (this.addon.type == "multipackage")
+       return this._loadMultipackageManifests(zipreader);
+ 
+     zipreader.close();
+ 
+     this.updateAddonURIs();
+ 
+     this.addon._install = this;
+@@ -5791,16 +5805,17 @@ AddonInstall.prototype = {
+           else {
+             // TODO Should we send some event here (bug 557716)?
+             this.state = AddonManager.STATE_CHECKING;
+             new UpdateChecker(this.addon, {
+               onUpdateFinished: aAddon => this.downloadCompleted(),
+             }, AddonManager.UPDATE_WHEN_ADDON_INSTALLED);
+           }
+         }, ([error, message]) => {
++          this.removeTemporaryFile();
+           this.downloadFailed(error, message);
+         });
+       }
+       else {
+         if (aRequest instanceof Ci.nsIHttpChannel)
+           this.downloadFailed(AddonManager.ERROR_NETWORK_FAILURE,
+                               aRequest.responseStatus + " " +
+                               aRequest.responseStatusText);
+diff --git a/toolkit/mozapps/extensions/test/addons/test_update_multi1/bootstrap.js b/toolkit/mozapps/extensions/test/addons/test_update_multi1/bootstrap.js
+new file mode 100644
+--- /dev/null
++++ b/toolkit/mozapps/extensions/test/addons/test_update_multi1/bootstrap.js
+@@ -0,0 +1,5 @@
++
++function install(data, reason) {}
++function startup(data, reason) {}
++function shutdown(data, reason) {}
++function uninstall(data, reason) {}
+diff --git a/toolkit/mozapps/extensions/test/addons/test_update_multi1/install.rdf b/toolkit/mozapps/extensions/test/addons/test_update_multi1/install.rdf
+new file mode 100644
+--- /dev/null
++++ b/toolkit/mozapps/extensions/test/addons/test_update_multi1/install.rdf
+@@ -0,0 +1,16 @@
++<?xml version="1.0"?>
++<RDF xmlns="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
++     xmlns:em="http://www.mozilla.org/2004/em-rdf#">
++<Description about="urn:mozilla:install-manifest">
++  <em:id>updatemulti@tests.mozilla.org</em:id>
++  <em:version>1.0</em:version>
++  <em:updateURL>http://localhost:4444/data/test_update_multi.rdf</em:updateURL>
++  <em:bootstrap>true</em:bootstrap>
++  <em:name>Test Addon 1</em:name>
++<em:targetApplication><Description>
++  <em:id>xpcshell@tests.mozilla.org</em:id>
++  <em:minVersion>1</em:minVersion>
++  <em:maxVersion>1</em:maxVersion>
++</Description></em:targetApplication>
++</Description>
++</RDF>
+diff --git a/toolkit/mozapps/extensions/test/addons/test_update_multi2/install.rdf b/toolkit/mozapps/extensions/test/addons/test_update_multi2/install.rdf
+new file mode 100644
+--- /dev/null
++++ b/toolkit/mozapps/extensions/test/addons/test_update_multi2/install.rdf
+@@ -0,0 +1,9 @@
++<?xml version="1.0"?>
++<RDF xmlns="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
++     xmlns:em="http://www.mozilla.org/2004/em-rdf#">
++<Description about="urn:mozilla:install-manifest">
++  <em:id>updatemulti@tests.mozilla.org</em:id>
++  <em:type>32</em:type>
++  <em:version>2.0</em:version>
++</Description>
++</RDF>
+diff --git a/toolkit/mozapps/extensions/test/addons/test_updateid1/bootstrap.js b/toolkit/mozapps/extensions/test/addons/test_updateid1/bootstrap.js
+new file mode 100644
+--- /dev/null
++++ b/toolkit/mozapps/extensions/test/addons/test_updateid1/bootstrap.js
+@@ -0,0 +1,5 @@
++
++function install(data, reason) {}
++function startup(data, reason) {}
++function shutdown(data, reason) {}
++function uninstall(data, reason) {}
+diff --git a/toolkit/mozapps/extensions/test/addons/test_updateid1/install.rdf b/toolkit/mozapps/extensions/test/addons/test_updateid1/install.rdf
+new file mode 100644
+--- /dev/null
++++ b/toolkit/mozapps/extensions/test/addons/test_updateid1/install.rdf
+@@ -0,0 +1,16 @@
++<?xml version="1.0"?>
++<RDF xmlns="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
++     xmlns:em="http://www.mozilla.org/2004/em-rdf#">
++<Description about="urn:mozilla:install-manifest">
++  <em:id>addon1@tests.mozilla.org</em:id>
++  <em:version>1.0</em:version>
++  <em:updateURL>http://localhost:4444/data/test_updateid.rdf</em:updateURL>
++  <em:bootstrap>true</em:bootstrap>
++  <em:name>Test Addon 1</em:name>
++<em:targetApplication><Description>
++  <em:id>xpcshell@tests.mozilla.org</em:id>
++  <em:minVersion>1</em:minVersion>
++  <em:maxVersion>1</em:maxVersion>
++</Description></em:targetApplication>
++</Description>
++</RDF>
+diff --git a/toolkit/mozapps/extensions/test/addons/test_updateid2/bootstrap.js b/toolkit/mozapps/extensions/test/addons/test_updateid2/bootstrap.js
+new file mode 100644
+--- /dev/null
++++ b/toolkit/mozapps/extensions/test/addons/test_updateid2/bootstrap.js
+@@ -0,0 +1,5 @@
++
++function install(data, reason) {}
++function startup(data, reason) {}
++function shutdown(data, reason) {}
++function uninstall(data, reason) {}
+diff --git a/toolkit/mozapps/extensions/test/addons/test_updateid2/install.rdf b/toolkit/mozapps/extensions/test/addons/test_updateid2/install.rdf
+new file mode 100644
+--- /dev/null
++++ b/toolkit/mozapps/extensions/test/addons/test_updateid2/install.rdf
+@@ -0,0 +1,16 @@
++<?xml version="1.0"?>
++<RDF xmlns="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
++     xmlns:em="http://www.mozilla.org/2004/em-rdf#">
++<Description about="urn:mozilla:install-manifest">
++  <em:id>addon1.changed@tests.mozilla.org</em:id>
++  <em:version>2.0</em:version>
++  <em:updateURL>http://localhost:4444/data/test_updateid.rdf</em:updateURL>
++  <em:bootstrap>true</em:bootstrap>
++  <em:name>Test Addon 1</em:name>
++<em:targetApplication><Description>
++  <em:id>xpcshell@tests.mozilla.org</em:id>
++  <em:minVersion>1</em:minVersion>
++  <em:maxVersion>1</em:maxVersion>
++</Description></em:targetApplication>
++</Description>
++</RDF>
+diff --git a/toolkit/mozapps/extensions/test/addons/test_updateid2_2/install.rdf b/toolkit/mozapps/extensions/test/addons/test_updateid2_2/install.rdf
+deleted file mode 100644
+--- a/toolkit/mozapps/extensions/test/addons/test_updateid2_2/install.rdf
++++ /dev/null
+@@ -1,24 +0,0 @@
+-<?xml version="1.0"?>
+-
+-<RDF xmlns="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+-     xmlns:em="http://www.mozilla.org/2004/em-rdf#">
+-
+-  <Description about="urn:mozilla:install-manifest">
+-    <em:id>addon2@tests.mozilla.org</em:id>
+-    <em:version>2.0</em:version>
+-    <em:updateURL>http://localhost:4444/data/test_updateid.rdf</em:updateURL>
+-
+-    <!-- Front End MetaData -->
+-    <em:name>Test 2</em:name>
+-    <em:description>Test Description</em:description>
+-
+-    <em:targetApplication>
+-      <Description>
+-        <em:id>xpcshell@tests.mozilla.org</em:id>
+-        <em:minVersion>1</em:minVersion>
+-        <em:maxVersion>1</em:maxVersion>
+-      </Description>
+-    </em:targetApplication>
+-
+-  </Description>
+-</RDF>
+diff --git a/toolkit/mozapps/extensions/test/addons/test_updateid2_5/install.rdf b/toolkit/mozapps/extensions/test/addons/test_updateid2_5/install.rdf
+deleted file mode 100644
+--- a/toolkit/mozapps/extensions/test/addons/test_updateid2_5/install.rdf
++++ /dev/null
+@@ -1,24 +0,0 @@
+-<?xml version="1.0"?>
+-
+-<RDF xmlns="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+-     xmlns:em="http://www.mozilla.org/2004/em-rdf#">
+-
+-  <Description about="urn:mozilla:install-manifest">
+-    <em:id>addon2@tests.mozilla.org</em:id>
+-    <em:version>5.0</em:version>
+-    <em:updateURL>http://localhost:4444/data/test_updateid.rdf</em:updateURL>
+-
+-    <!-- Front End MetaData -->
+-    <em:name>Test 2</em:name>
+-    <em:description>Test Description</em:description>
+-
+-    <em:targetApplication>
+-      <Description>
+-        <em:id>xpcshell@tests.mozilla.org</em:id>
+-        <em:minVersion>1</em:minVersion>
+-        <em:maxVersion>1</em:maxVersion>
+-      </Description>
+-    </em:targetApplication>
+-
+-  </Description>
+-</RDF>
+diff --git a/toolkit/mozapps/extensions/test/addons/test_updateid3_3/bootstrap.js b/toolkit/mozapps/extensions/test/addons/test_updateid3_3/bootstrap.js
+deleted file mode 100644
+--- a/toolkit/mozapps/extensions/test/addons/test_updateid3_3/bootstrap.js
++++ /dev/null
+@@ -1,21 +0,0 @@
+-Components.utils.import("resource://gre/modules/Services.jsm");
+-
+-function install(data, reason) {
+-  Services.prefs.setIntPref("bootstraptest.installed_version", 3);
+-  Services.prefs.setIntPref("bootstraptest.install_reason", reason);
+-}
+-
+-function startup(data, reason) {
+-  Services.prefs.setIntPref("bootstraptest.active_version", 3);
+-  Services.prefs.setIntPref("bootstraptest.startup_reason", reason);
+-}
+-
+-function shutdown(data, reason) {
+-  Services.prefs.setIntPref("bootstraptest.active_version", 0);
+-  Services.prefs.setIntPref("bootstraptest.shutdown_reason", reason);
+-}
+-
+-function uninstall(data, reason) {
+-  Services.prefs.setIntPref("bootstraptest.installed_version", 0);
+-  Services.prefs.setIntPref("bootstraptest.uninstall_reason", reason);
+-}
+diff --git a/toolkit/mozapps/extensions/test/addons/test_updateid3_3/install.rdf b/toolkit/mozapps/extensions/test/addons/test_updateid3_3/install.rdf
+deleted file mode 100644
+--- a/toolkit/mozapps/extensions/test/addons/test_updateid3_3/install.rdf
++++ /dev/null
+@@ -1,25 +0,0 @@
+-<?xml version="1.0"?>
+-
+-<RDF xmlns="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+-     xmlns:em="http://www.mozilla.org/2004/em-rdf#">
+-
+-  <Description about="urn:mozilla:install-manifest">
+-    <em:id>addon3@tests.mozilla.org</em:id>
+-    <em:version>3.0</em:version>
+-    <em:updateURL>http://localhost:4444/data/test_updateid.rdf</em:updateURL>
+-    <em:bootstrap>true</em:bootstrap>
+-
+-    <!-- Front End MetaData -->
+-    <em:name>Test 3</em:name>
+-    <em:description>Test Description</em:description>
+-
+-    <em:targetApplication>
+-      <Description>
+-        <em:id>xpcshell@tests.mozilla.org</em:id>
+-        <em:minVersion>1</em:minVersion>
+-        <em:maxVersion>1</em:maxVersion>
+-      </Description>
+-    </em:targetApplication>
+-
+-  </Description>
+-</RDF>
+diff --git a/toolkit/mozapps/extensions/test/addons/test_updateid4_4/bootstrap.js b/toolkit/mozapps/extensions/test/addons/test_updateid4_4/bootstrap.js
+deleted file mode 100644
+--- a/toolkit/mozapps/extensions/test/addons/test_updateid4_4/bootstrap.js
++++ /dev/null
+@@ -1,21 +0,0 @@
+-Components.utils.import("resource://gre/modules/Services.jsm");
+-
+-function install(data, reason) {
+-  Services.prefs.setIntPref("bootstraptest.installed_version", 4);
+-  Services.prefs.setIntPref("bootstraptest.install_reason", reason);
+-}
+-
+-function startup(data, reason) {
+-  Services.prefs.setIntPref("bootstraptest.active_version", 4);
+-  Services.prefs.setIntPref("bootstraptest.startup_reason", reason);
+-}
+-
+-function shutdown(data, reason) {
+-  Services.prefs.setIntPref("bootstraptest.active_version", 0);
+-  Services.prefs.setIntPref("bootstraptest.shutdown_reason", reason);
+-}
+-
+-function uninstall(data, reason) {
+-  Services.prefs.setIntPref("bootstraptest.installed_version", 0);
+-  Services.prefs.setIntPref("bootstraptest.uninstall_reason", reason);
+-}
+diff --git a/toolkit/mozapps/extensions/test/addons/test_updateid4_4/install.rdf b/toolkit/mozapps/extensions/test/addons/test_updateid4_4/install.rdf
+deleted file mode 100644
+--- a/toolkit/mozapps/extensions/test/addons/test_updateid4_4/install.rdf
++++ /dev/null
+@@ -1,25 +0,0 @@
+-<?xml version="1.0"?>
+-
+-<RDF xmlns="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+-     xmlns:em="http://www.mozilla.org/2004/em-rdf#">
+-
+-  <Description about="urn:mozilla:install-manifest">
+-    <em:id>addon4@tests.mozilla.org</em:id>
+-    <em:version>4.0</em:version>
+-    <em:updateURL>http://localhost:4444/data/test_updateid.rdf</em:updateURL>
+-    <em:bootstrap>true</em:bootstrap>
+-
+-    <!-- Front End MetaData -->
+-    <em:name>Test 4</em:name>
+-    <em:description>Test Description</em:description>
+-
+-    <em:targetApplication>
+-      <Description>
+-        <em:id>xpcshell@tests.mozilla.org</em:id>
+-        <em:minVersion>1</em:minVersion>
+-        <em:maxVersion>1</em:maxVersion>
+-      </Description>
+-    </em:targetApplication>
+-
+-  </Description>
+-</RDF>
+diff --git a/toolkit/mozapps/extensions/test/xpcshell/data/test_update_multi.rdf b/toolkit/mozapps/extensions/test/xpcshell/data/test_update_multi.rdf
+new file mode 100644
+--- /dev/null
++++ b/toolkit/mozapps/extensions/test/xpcshell/data/test_update_multi.rdf
+@@ -0,0 +1,26 @@
++<?xml version="1.0" encoding="UTF-8"?>
++
++<RDF xmlns="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
++     xmlns:em="http://www.mozilla.org/2004/em-rdf#">
++
++  <Description about="urn:mozilla:extension:updatemulti@tests.mozilla.org">
++    <em:updates>
++      <Seq>
++        <li>
++          <Description>
++            <em:version>2.0</em:version>
++            <em:targetApplication>
++              <Description>
++                <em:id>xpcshell@tests.mozilla.org</em:id>
++                <em:minVersion>1</em:minVersion>
++                <em:maxVersion>1</em:maxVersion>
++                <em:updateLink>http://localhost:4444/addons/test_update_multi2.xpi</em:updateLink>
++              </Description>
++            </em:targetApplication>
++          </Description>
++        </li>
++      </Seq>
++    </em:updates>
++  </Description>
++
++</RDF>
+diff --git a/toolkit/mozapps/extensions/test/xpcshell/data/test_updateid.rdf b/toolkit/mozapps/extensions/test/xpcshell/data/test_updateid.rdf
+--- a/toolkit/mozapps/extensions/test/xpcshell/data/test_updateid.rdf
++++ b/toolkit/mozapps/extensions/test/xpcshell/data/test_updateid.rdf
+@@ -9,77 +9,17 @@
+         <li>
+           <Description>
+             <em:version>2.0</em:version>
+             <em:targetApplication>
+               <Description>
+                 <em:id>xpcshell@tests.mozilla.org</em:id>
+                 <em:minVersion>1</em:minVersion>
+                 <em:maxVersion>1</em:maxVersion>
+-                <em:updateLink>http://localhost:4444/addons/test_updateid2_2.xpi</em:updateLink>
+-              </Description>
+-            </em:targetApplication>
+-          </Description>
+-        </li>
+-      </Seq>
+-    </em:updates>
+-  </Description>
+-
+-  <Description about="urn:mozilla:extension:addon2@tests.mozilla.org">
+-    <em:updates>
+-      <Seq>
+-        <li>
+-          <Description>
+-            <em:version>3.0</em:version>
+-            <em:targetApplication>
+-              <Description>
+-                <em:id>xpcshell@tests.mozilla.org</em:id>
+-                <em:minVersion>1</em:minVersion>
+-                <em:maxVersion>1</em:maxVersion>
+-                <em:updateLink>http://localhost:4444/addons/test_updateid3_3.xpi</em:updateLink>
+-              </Description>
+-            </em:targetApplication>
+-          </Description>
+-        </li>
+-      </Seq>
+-    </em:updates>
+-  </Description>
+-
+-  <Description about="urn:mozilla:extension:addon3@tests.mozilla.org">
+-    <em:updates>
+-      <Seq>
+-        <li>
+-          <Description>
+-            <em:version>4.0</em:version>
+-            <em:targetApplication>
+-              <Description>
+-                <em:id>xpcshell@tests.mozilla.org</em:id>
+-                <em:minVersion>1</em:minVersion>
+-                <em:maxVersion>1</em:maxVersion>
+-                <em:updateLink>http://localhost:4444/addons/test_updateid4_4.xpi</em:updateLink>
+-              </Description>
+-            </em:targetApplication>
+-          </Description>
+-        </li>
+-      </Seq>
+-    </em:updates>
+-  </Description>
+-
+-  <Description about="urn:mozilla:extension:addon4@tests.mozilla.org">
+-    <em:updates>
+-      <Seq>
+-        <li>
+-          <Description>
+-            <em:version>5.0</em:version>
+-            <em:targetApplication>
+-              <Description>
+-                <em:id>xpcshell@tests.mozilla.org</em:id>
+-                <em:minVersion>1</em:minVersion>
+-                <em:maxVersion>1</em:maxVersion>
+-                <em:updateLink>http://localhost:4444/addons/test_updateid2_5.xpi</em:updateLink>
++                <em:updateLink>http://localhost:4444/addons/test_updateid2.xpi</em:updateLink>
+               </Description>
+             </em:targetApplication>
+           </Description>
+         </li>
+       </Seq>
+     </em:updates>
+   </Description>
+ 
+diff --git a/toolkit/mozapps/extensions/test/xpcshell/test_updateid.js b/toolkit/mozapps/extensions/test/xpcshell/test_updateid.js
+--- a/toolkit/mozapps/extensions/test/xpcshell/test_updateid.js
++++ b/toolkit/mozapps/extensions/test/xpcshell/test_updateid.js
+@@ -2,421 +2,85 @@
+  * http://creativecommons.org/publicdomain/zero/1.0/
+  */
+ 
+ // This verifies that updating an add-on to a new ID works
+ 
+ // The test extension uses an insecure update url.
+ Services.prefs.setBoolPref("extensions.checkUpdateSecurity", false);
+ 
+-Components.utils.import("resource://testing-common/httpd.js");
+-var testserver;
+ const profileDir = gProfD.clone();
+ profileDir.append("extensions");
+ 
+-function resetPrefs() {
+-  Services.prefs.setIntPref("bootstraptest.active_version", -1);
+-  Services.prefs.setIntPref("bootstraptest.installed_version", -1);
+-  Services.prefs.setIntPref("bootstraptest.startup_reason", -1);
+-  Services.prefs.setIntPref("bootstraptest.shutdown_reason", -1);
+-  Services.prefs.setIntPref("bootstraptest.install_reason", -1);
+-  Services.prefs.setIntPref("bootstraptest.uninstall_reason", -1);
+-}
+-
+-function getActiveVersion() {
+-  return Services.prefs.getIntPref("bootstraptest.active_version");
+-}
+-
+-function getInstalledVersion() {
+-  return Services.prefs.getIntPref("bootstraptest.installed_version");
+-}
+-
+-function run_test() {
+-  createAppInfo("xpcshell@tests.mozilla.org", "XPCShell", "1", "1.9.2");
+-
+-  // Create and configure the HTTP server.
+-  testserver = new HttpServer();
+-  testserver.registerDirectory("/data/", do_get_file("data"));
+-  testserver.registerDirectory("/addons/", do_get_file("addons"));
+-  testserver.start(4444);
+-
+-  do_test_pending();
+-  run_test_1();
+-}
+-
+-function end_test() {
+-  testserver.stop(do_test_finished);
+-}
+-
+-function installUpdate(aInstall, aCallback) {
+-  aInstall.addListener({
+-    onInstallEnded: function(aInstall) {
+-      // give the startup time to run
+-      do_execute_soon(function() {
+-        aCallback(aInstall);
+-      });
+-    }
+-  });
+-
+-  aInstall.install();
+-}
+-
+-// Verify that an update to an add-on with a new ID uninstalls the old add-on
+-function run_test_1() {
+-  writeInstallRDFForExtension({
+-    id: "addon1@tests.mozilla.org",
+-    version: "1.0",
+-    updateURL: "http://localhost:4444/data/test_updateid.rdf",
+-    targetApplications: [{
+-      id: "xpcshell@tests.mozilla.org",
+-      minVersion: "1",
+-      maxVersion: "1"
+-    }],
+-    name: "Test Addon 1",
+-  }, profileDir);
+-
+-  startupManager();
+-
+-  AddonManager.getAddonByID("addon1@tests.mozilla.org", function(a1) {
+-    do_check_neq(a1, null);
+-    do_check_eq(a1.version, "1.0");
++function promiseInstallUpdate(install) {
++  return new Promise((resolve, reject) => {
++    install.addListener({
++      onDownloadFailed: () => {
++        let err = new Error("download error");
++        err.code = install.error;
++        reject(err);
++      },
++      onInstallFailed: () => {
++        let err = new Error("install error");
++        err.code = install.error;
++        reject(err);
++      },
++      onInstallEnded: resolve,
++    });
+ 
+-    a1.findUpdates({
+-      onUpdateAvailable: function(addon, install) {
+-        do_check_eq(install.name, addon.name);
+-        do_check_eq(install.version, "2.0");
+-        do_check_eq(install.state, AddonManager.STATE_AVAILABLE);
+-        do_check_eq(install.existingAddon, a1);
+-
+-        installUpdate(install, check_test_1);
+-      }
+-    }, AddonManager.UPDATE_WHEN_USER_REQUESTED);
+-  });
+-}
+-
+-function check_test_1(install) {
+-  AddonManager.getAddonByID("addon1@tests.mozilla.org", callback_soon(function(a1) {
+-    // Existing add-on should have a pending upgrade
+-    do_check_neq(a1.pendingUpgrade, null);
+-    do_check_eq(a1.pendingUpgrade.id, "addon2@tests.mozilla.org");
+-    do_check_eq(a1.pendingUpgrade.install.existingAddon, a1);
+-    do_check_neq(a1.syncGUID);
+-
+-    let a1SyncGUID = a1.syncGUID;
+-
+-    restartManager();
+-
+-    AddonManager.getAddonsByIDs(["addon1@tests.mozilla.org",
+-                                 "addon2@tests.mozilla.org"], function([a1, a2]) {
+-      // Should have uninstalled the old and installed the new
+-      do_check_eq(a1, null);
+-      do_check_neq(a2, null);
+-      do_check_neq(a2.syncGUID, null);
+-
+-      // The Sync GUID should change when the ID changes
+-      do_check_neq(a1SyncGUID, a2.syncGUID);
+-
+-      a2.uninstall();
+-
+-      do_execute_soon(run_test_2);
+-    });
+-  }));
+-}
+-
+-// Test that when the new add-on already exists we just upgrade that
+-function run_test_2() {
+-  restartManager();
+-  shutdownManager();
+-
+-  writeInstallRDFForExtension({
+-    id: "addon1@tests.mozilla.org",
+-    version: "1.0",
+-    updateURL: "http://localhost:4444/data/test_updateid.rdf",
+-    targetApplications: [{
+-      id: "xpcshell@tests.mozilla.org",
+-      minVersion: "1",
+-      maxVersion: "1"
+-    }],
+-    name: "Test Addon 1",
+-  }, profileDir);
+-  writeInstallRDFForExtension({
+-    id: "addon2@tests.mozilla.org",
+-    version: "1.0",
+-    targetApplications: [{
+-      id: "xpcshell@tests.mozilla.org",
+-      minVersion: "1",
+-      maxVersion: "1"
+-    }],
+-    name: "Test Addon 2",
+-  }, profileDir);
+-
+-  startupManager();
+-
+-  AddonManager.getAddonByID("addon1@tests.mozilla.org", function(a1) {
+-    do_check_neq(a1, null);
+-    do_check_eq(a1.version, "1.0");
+-
+-    a1.findUpdates({
+-      onUpdateAvailable: function(addon, install) {
+-        installUpdate(install, check_test_2);
+-      }
+-    }, AddonManager.UPDATE_WHEN_USER_REQUESTED);
++    install.install();
+   });
+ }
+ 
+-function check_test_2(install) {
+-  AddonManager.getAddonsByIDs(["addon1@tests.mozilla.org",
+-                               "addon2@tests.mozilla.org"],
+-                               callback_soon(function([a1, a2]) {
+-    do_check_eq(a1.pendingUpgrade, null);
+-    // Existing add-on should have a pending upgrade
+-    do_check_neq(a2.pendingUpgrade, null);
+-    do_check_eq(a2.pendingUpgrade.id, "addon2@tests.mozilla.org");
+-    do_check_eq(a2.pendingUpgrade.install.existingAddon, a2);
+-
+-    restartManager();
+-
+-    AddonManager.getAddonsByIDs(["addon1@tests.mozilla.org",
+-                                 "addon2@tests.mozilla.org"], function([a1, a2]) {
+-      // Should have uninstalled the old and installed the new
+-      do_check_neq(a1, null);
+-      do_check_neq(a2, null);
+-
+-      a1.uninstall();
+-      a2.uninstall();
+-
+-      do_execute_soon(run_test_3);
+-    });
+-  }));
+-}
+-
+-// Test that we rollback correctly when removing the old add-on fails
+-function run_test_3() {
+-  restartManager();
+-  shutdownManager();
+-
+-  // This test only works on Windows
+-  if (!("nsIWindowsRegKey" in AM_Ci)) {
+-    run_test_4();
+-    return;
+-  }
+-
+-  writeInstallRDFForExtension({
+-    id: "addon1@tests.mozilla.org",
+-    version: "1.0",
+-    updateURL: "http://localhost:4444/data/test_updateid.rdf",
+-    targetApplications: [{
+-      id: "xpcshell@tests.mozilla.org",
+-      minVersion: "1",
+-      maxVersion: "1"
+-    }],
+-    name: "Test Addon 1",
+-  }, profileDir);
+-
+-  startupManager();
++// Create and configure the HTTP server.
++let testserver = createHttpServer(4444);
++testserver.registerDirectory("/data/", do_get_file("data"));
++testserver.registerDirectory("/addons/", do_get_file("addons"));
+ 
+-  AddonManager.getAddonByID("addon1@tests.mozilla.org", function(a1) {
+-    do_check_neq(a1, null);
+-    do_check_eq(a1.version, "1.0");
+-
+-    a1.findUpdates({
+-      onUpdateAvailable: function(addon, install) {
+-        installUpdate(install, check_test_3);
+-      }
+-    }, AddonManager.UPDATE_WHEN_USER_REQUESTED);
+-  });
+-}
+-
+-function check_test_3(install) {
+-  AddonManager.getAddonByID("addon1@tests.mozilla.org", callback_soon(function(a1) {
+-    // Existing add-on should have a pending upgrade
+-    do_check_neq(a1.pendingUpgrade, null);
+-    do_check_eq(a1.pendingUpgrade.id, "addon2@tests.mozilla.org");
+-    do_check_eq(a1.pendingUpgrade.install.existingAddon, a1);
+-
+-    // Lock the old add-on open so it can't be uninstalled
+-    var file = profileDir.clone();
+-    file.append("addon1@tests.mozilla.org");
+-    if (!file.exists())
+-      file.leafName += ".xpi";
+-    else
+-      file.append("install.rdf");
+-
+-    var fstream = AM_Cc["@mozilla.org/network/file-output-stream;1"].
+-                  createInstance(AM_Ci.nsIFileOutputStream);
+-    fstream.init(file, FileUtils.MODE_APPEND | FileUtils.MODE_WRONLY, FileUtils.PERMS_FILE, 0);
+-
+-    restartManager();
+-
+-    fstream.close();
+-
+-    AddonManager.getAddonsByIDs(["addon1@tests.mozilla.org",
+-                                 "addon2@tests.mozilla.org"],
+-                                 callback_soon(function([a1, a2]) {
+-      // Should not have installed the new add-on but it should still be
+-      // pending install
+-      do_check_neq(a1, null);
+-      do_check_eq(a2, null);
+-
+-      restartManager();
+-
+-      AddonManager.getAddonsByIDs(["addon1@tests.mozilla.org",
+-                                   "addon2@tests.mozilla.org"], function([a1, a2]) {
+-        // Should have installed the new add-on
+-        do_check_eq(a1, null);
+-        do_check_neq(a2, null);
+-
+-        a2.uninstall();
+-
+-        do_execute_soon(run_test_4);
+-      });
+-    }));
+-  }));
++function run_test() {
++  createAppInfo("xpcshell@tests.mozilla.org", "XPCShell", "1", "1.9.2");
++  startupManager();
++  run_next_test();
+ }
+ 
+-// Tests that upgrading to a bootstrapped add-on works but requires a restart
+-function run_test_4() {
+-  restartManager();
+-  shutdownManager();
+-
+-  writeInstallRDFForExtension({
+-    id: "addon2@tests.mozilla.org",
+-    version: "2.0",
+-    updateURL: "http://localhost:4444/data/test_updateid.rdf",
+-    targetApplications: [{
+-      id: "xpcshell@tests.mozilla.org",
+-      minVersion: "1",
+-      maxVersion: "1"
+-    }],
+-    name: "Test Addon 2",
+-  }, profileDir);
+-
+-  startupManager();
+-
+-  resetPrefs();
+-
+-  AddonManager.getAddonByID("addon2@tests.mozilla.org", function(a2) {
+-    do_check_neq(a2, null);
+-    do_check_neq(a2.syncGUID, null);
+-    do_check_eq(a2.version, "2.0");
+-
+-    a2.findUpdates({
+-      onUpdateAvailable: function(addon, install) {
+-        installUpdate(install, check_test_4);
+-      }
+-    }, AddonManager.UPDATE_WHEN_USER_REQUESTED);
+-  });
+-}
+-
+-function check_test_4() {
+-  AddonManager.getAddonsByIDs(["addon2@tests.mozilla.org",
+-                               "addon3@tests.mozilla.org"],
+-                               callback_soon(function([a2, a3]) {
+-    // Should still be pending install even though the new add-on is restartless
+-    do_check_neq(a2, null);
+-    do_check_eq(a3, null);
+-
+-    do_check_neq(a2.pendingUpgrade, null);
+-    do_check_eq(a2.pendingUpgrade.id, "addon3@tests.mozilla.org");
+-
+-    do_check_eq(getInstalledVersion(), -1);
+-    do_check_eq(getActiveVersion(), -1);
+-
+-    restartManager();
+-
+-    AddonManager.getAddonsByIDs(["addon2@tests.mozilla.org",
+-                                 "addon3@tests.mozilla.org"], function([a2, a3]) {
+-      // Should have updated
+-      do_check_eq(a2, null);
+-      do_check_neq(a3, null);
+-
+-      do_check_eq(getInstalledVersion(), 3);
+-      do_check_eq(getActiveVersion(), 3);
+-
+-      do_execute_soon(run_test_5);
+-    });
+-  }));
+-}
+-
+-// Tests that upgrading to another bootstrapped add-on works without a restart
+-function run_test_5() {
+-  AddonManager.getAddonByID("addon3@tests.mozilla.org", function(a3) {
+-    do_check_neq(a3, null);
+-    do_check_eq(a3.version, "3.0");
++// Verify that an update to an add-on with a new ID fails
++add_task(function* test_update_new_id() {
++  yield promiseInstallAllFiles([do_get_addon("test_updateid1")]);
+ 
+-    a3.findUpdates({
+-      onUpdateAvailable: function(addon, install) {
+-        installUpdate(install, check_test_5);
+-      }
+-    }, AddonManager.UPDATE_WHEN_USER_REQUESTED);
+-  });
+-}
+-
+-function check_test_5() {
+-  AddonManager.getAddonsByIDs(["addon3@tests.mozilla.org",
+-                               "addon4@tests.mozilla.org"],
+-                               callback_soon(function([a3, a4]) {
+-    // Should have updated
+-    do_check_eq(a3, null);
+-    do_check_neq(a4, null);
+-
+-    do_check_eq(getInstalledVersion(), 4);
+-    do_check_eq(getActiveVersion(), 4);
+-
+-    restartManager();
+-
+-    AddonManager.getAddonsByIDs(["addon3@tests.mozilla.org",
+-                                 "addon4@tests.mozilla.org"], function([a3, a4]) {
+-      // Should still be gone
+-      do_check_eq(a3, null);
+-      do_check_neq(a4, null);
+-
+-      do_check_eq(getInstalledVersion(), 4);
+-      do_check_eq(getActiveVersion(), 4);
+-
+-      run_test_6();
+-    });
+-  }));
+-}
++  let addon = yield promiseAddonByID("addon1@tests.mozilla.org");
++  do_check_neq(addon, null);
++  do_check_eq(addon.version, "1.0");
+ 
+-// Tests that upgrading to a non-bootstrapped add-on works but requires a restart
+-function run_test_6() {
+-  AddonManager.getAddonByID("addon4@tests.mozilla.org", function(a4) {
+-    do_check_neq(a4, null);
+-    do_check_eq(a4.version, "4.0");
+-
+-    a4.findUpdates({
+-      onUpdateAvailable: function(addon, install) {
+-        installUpdate(install, check_test_6);
+-      }
+-    }, AddonManager.UPDATE_WHEN_USER_REQUESTED);
+-  });
+-}
++  let update = yield promiseFindAddonUpdates(addon, AddonManager.UPDATE_WHEN_USER_REQUESTED);
++  let install = update.updateAvailable;
++  do_check_eq(install.name, addon.name);
++  do_check_eq(install.version, "2.0");
++  do_check_eq(install.state, AddonManager.STATE_AVAILABLE);
++  do_check_eq(install.existingAddon, addon);
+ 
+-function check_test_6() {
+-  AddonManager.getAddonsByIDs(["addon4@tests.mozilla.org",
+-                               "addon2@tests.mozilla.org"],
+-                               callback_soon(function([a4, a2]) {
+-    // Should still be pending install even though the old add-on is restartless
+-    do_check_neq(a4, null);
+-    do_check_eq(a2, null);
+-
+-    do_check_neq(a4.pendingUpgrade, null);
+-    do_check_eq(a4.pendingUpgrade.id, "addon2@tests.mozilla.org");
+-
+-    do_check_eq(getInstalledVersion(), 4);
+-    do_check_eq(getActiveVersion(), 4);
++  yield Assert.rejects(promiseInstallUpdate(install),
++                       function(err) { return err.code == AddonManager.ERROR_INCORRECT_ID },
++                       "Upgrade to a different ID fails");
+ 
+-    restartManager();
++  addon.uninstall();
++});
+ 
+-    AddonManager.getAddonsByIDs(["addon4@tests.mozilla.org",
+-                                 "addon2@tests.mozilla.org"], function([a4, a2]) {
+-      // Should have updated
+-      do_check_eq(a4, null);
+-      do_check_neq(a2, null);
++// Verify that an update to a multi-package xpi fails
++add_task(function* test_update_new_id() {
++  yield promiseInstallAllFiles([do_get_addon("test_update_multi1")]);
+ 
+-      do_check_eq(getInstalledVersion(), 0);
+-      do_check_eq(getActiveVersion(), 0);
++  let addon = yield promiseAddonByID("updatemulti@tests.mozilla.org");
++  do_check_neq(addon, null);
++  do_check_eq(addon.version, "1.0");
+ 
+-      end_test();
+-    });
+-  }));
+-}
++  let update = yield promiseFindAddonUpdates(addon, AddonManager.UPDATE_WHEN_USER_REQUESTED);
++  let install = update.updateAvailable;
++  do_check_eq(install.name, addon.name);
++  do_check_eq(install.version, "2.0");
++  do_check_eq(install.state, AddonManager.STATE_AVAILABLE);
++  do_check_eq(install.existingAddon, addon);
++
++  yield Assert.rejects(promiseInstallUpdate(install),
++                       function(err) { return err.code == AddonManager.ERROR_UNEXPECTED_ADDON_TYPE },
++                       "Upgrade to a multipackage xpi fails");
++
++  addon.uninstall();
++});
+
diff --git a/gnu/packages/patches/libtiff-CVE-2016-5652.patch b/gnu/packages/patches/libtiff-CVE-2016-5652.patch
deleted file mode 100644
index 54b87d0185..0000000000
--- a/gnu/packages/patches/libtiff-CVE-2016-5652.patch
+++ /dev/null
@@ -1,47 +0,0 @@
-Fix CVE-2016-5652 (buffer overflow in t2p_readwrite_pdf_image_tile()).
-
-https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5652
-
-Patches exfiltrated from upstream CVS repo with:
-cvs diff -u -r 1.92 -r 1.94 tools/tiff2pdf.c
-
-Index: tools/tiff2pdf.c
-===================================================================
-RCS file: /cvs/maptools/cvsroot/libtiff/tools/tiff2pdf.c,v
-retrieving revision 1.92
-retrieving revision 1.94
-diff -u -r1.92 -r1.94
---- a/tools/tiff2pdf.c	23 Sep 2016 22:12:18 -0000	1.92
-+++ b/tools/tiff2pdf.c	9 Oct 2016 11:03:36 -0000	1.94
-@@ -2887,21 +2887,24 @@
- 				return(0);
- 			}
- 			if(TIFFGetField(input, TIFFTAG_JPEGTABLES, &count, &jpt) != 0) {
--				if (count > 0) {
--					_TIFFmemcpy(buffer, jpt, count);
-+				if (count >= 4) {
-+                    /* Ignore EOI marker of JpegTables */
-+					_TIFFmemcpy(buffer, jpt, count - 2);
- 					bufferoffset += count - 2;
-+                    /* Store last 2 bytes of the JpegTables */
- 					table_end[0] = buffer[bufferoffset-2];
- 					table_end[1] = buffer[bufferoffset-1];
--				}
--				if (count > 0) {
- 					xuint32 = bufferoffset;
-+                    bufferoffset -= 2;
- 					bufferoffset += TIFFReadRawTile(
- 						input, 
- 						tile, 
--						(tdata_t) &(((unsigned char*)buffer)[bufferoffset-2]), 
-+						(tdata_t) &(((unsigned char*)buffer)[bufferoffset]), 
- 						-1);
--						buffer[xuint32-2]=table_end[0];
--						buffer[xuint32-1]=table_end[1];
-+                    /* Overwrite SOI marker of image scan with previously */
-+                    /* saved end of JpegTables */
-+					buffer[xuint32-2]=table_end[0];
-+					buffer[xuint32-1]=table_end[1];
- 				} else {
- 					bufferoffset += TIFFReadRawTile(
- 						input, 
diff --git a/gnu/packages/patches/libtiff-CVE-2016-9273.patch b/gnu/packages/patches/libtiff-CVE-2016-9273.patch
deleted file mode 100644
index 9cd6b3d8c5..0000000000
--- a/gnu/packages/patches/libtiff-CVE-2016-9273.patch
+++ /dev/null
@@ -1,41 +0,0 @@
-Fix CVE-2016-9273:
-
-https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9273
-http://bugzilla.maptools.org/show_bug.cgi?id=2587
-
-Patch extracted from upstream CVS repo:
-
-2016-11-10 Even Rouault <even.rouault at spatialys.com>
-
-revision 1.37
-date: 2016-11-09 18:00:49 -0500;  author: erouault;  state: Exp;  lines: +10 -1;  commitid: pzKipPxDJO2dxvtz;
-* libtiff/tif_strip.c: make TIFFNumberOfStrips() return the td->td_nstrips
-value when it is non-zero, instead of recomputing it. This is needed in
-TIFF_STRIPCHOP mode where td_nstrips is modified. Fixes a read outsize of
-array in tiffsplit (or other utilities using TIFFNumberOfStrips()).
-Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2587
-
-Index: libtiff/tif_strip.c
-===================================================================
-RCS file: /cvs/maptools/cvsroot/libtiff/libtiff/tif_strip.c,v
-retrieving revision 1.36
-retrieving revision 1.37
-diff -u -r1.36 -r1.37
---- a/libtiff/tif_strip.c	7 Jun 2015 22:35:40 -0000	1.36
-+++ b/libtiff/tif_strip.c	9 Nov 2016 23:00:49 -0000	1.37
-@@ -63,6 +63,15 @@
- 	TIFFDirectory *td = &tif->tif_dir;
- 	uint32 nstrips;
- 
-+    /* If the value was already computed and store in td_nstrips, then return it,
-+       since ChopUpSingleUncompressedStrip might have altered and resized the
-+       since the td_stripbytecount and td_stripoffset arrays to the new value
-+       after the initial affectation of td_nstrips = TIFFNumberOfStrips() in
-+       tif_dirread.c ~line 3612.
-+       See http://bugzilla.maptools.org/show_bug.cgi?id=2587 */
-+    if( td->td_nstrips )
-+        return td->td_nstrips;
-+
- 	nstrips = (td->td_rowsperstrip == (uint32) -1 ? 1 :
- 	     TIFFhowmany_32(td->td_imagelength, td->td_rowsperstrip));
- 	if (td->td_planarconfig == PLANARCONFIG_SEPARATE)
diff --git a/gnu/packages/patches/lvm2-static-link.patch b/gnu/packages/patches/lvm2-static-link.patch
new file mode 100644
index 0000000000..b4b1dd92e1
--- /dev/null
+++ b/gnu/packages/patches/lvm2-static-link.patch
@@ -0,0 +1,14 @@
+Fix static linking of 'lvm.static', which indirectly depend on libpthread
+via libdevmapper.a.
+
+--- LVM2.2.02.166/tools/Makefile.in	2016-11-22 21:31:15.521045149 +0100
++++ LVM2.2.02.166/tools/Makefile.in	2016-11-22 21:31:24.085082767 +0100
+@@ -148,7 +148,7 @@ endif
+ 
+ lvm.static: $(OBJECTS) lvm-static.o $(top_builddir)/lib/liblvm-internal.a  $(interfacebuilddir)/libdevmapper.a
+ 	$(CC) $(CFLAGS) $(LDFLAGS) -static -L$(interfacebuilddir) -o $@ \
+-	      $(OBJECTS) lvm-static.o $(LVMLIBS) $(STATIC_LIBS) $(LIBS)
++	      $(OBJECTS) lvm-static.o $(LVMLIBS) $(STATIC_LIBS) $(LIBS) $(PTHREAD_LIBS)
+ 
+ liblvm2cmd.a: $(top_builddir)/lib/liblvm-internal.a $(OBJECTS) lvmcmdlib.o lvm2cmd.o
+ 	cat $(top_builddir)/lib/liblvm-internal.a > $@
diff --git a/gnu/packages/patches/pixman-CVE-2016-5296.patch b/gnu/packages/patches/pixman-CVE-2016-5296.patch
new file mode 100644
index 0000000000..21942326ae
--- /dev/null
+++ b/gnu/packages/patches/pixman-CVE-2016-5296.patch
@@ -0,0 +1,19 @@
+Fix CVE-2016-5296: Heap-buffer-overflow WRITE in rasterize_edges_1
+Adapted for upstream pixman based on:
+
+  https://hg.mozilla.org/releases/mozilla-esr45/rev/5e39c1c2fded
+
+--- pixman-0.34.0/pixman/pixman-edge-imp.h.orig	2015-06-30 05:48:31.000000000 -0400
++++ pixman-0.34.0/pixman/pixman-edge-imp.h	2016-11-16 01:09:34.046335106 -0500
+@@ -55,8 +55,9 @@
+ 	 *
+ 	 * (The AA case does a similar  adjustment in RENDER_SAMPLES_X)
+ 	 */
+-	lx += X_FRAC_FIRST(1) - pixman_fixed_e;
+-	rx += X_FRAC_FIRST(1) - pixman_fixed_e;
++	/* we cast to unsigned to get defined behaviour for overflow */
++	lx = (unsigned)lx + X_FRAC_FIRST(1) - pixman_fixed_e;
++	rx = (unsigned)rx + X_FRAC_FIRST(1) - pixman_fixed_e;
+ #endif
+ 	/* clip X */
+ 	if (lx < 0)
diff --git a/gnu/packages/pdf.scm b/gnu/packages/pdf.scm
index 9c6e9a967e..39f4d021de 100644
--- a/gnu/packages/pdf.scm
+++ b/gnu/packages/pdf.scm
@@ -701,7 +701,6 @@ vector formats.")
                             (,(string-append sdl "/lib")))
                           `("PATH" ":" prefix     ;for pdftoppm
                             (,(string-append xpdf "/bin"))))
-                        (mkdir-p man1)
                         (install-file "impressive.1" man1)
                         #t))))))
     (home-page "http://impressive.sourceforge.net")
diff --git a/gnu/packages/perl.scm b/gnu/packages/perl.scm
index a044a32b32..e9f3dca15a 100644
--- a/gnu/packages/perl.scm
+++ b/gnu/packages/perl.scm
@@ -7,7 +7,7 @@
 ;;; Copyright © 2016 Mark H Weaver <mhw@netris.org>
 ;;; Copyright © 2016 Jochem Raat <jchmrt@riseup.net>
 ;;; Copyright © 2016 Efraim Flashner <efraim@flashner.co.il>
-;;; Coypright © 2016 ng0 <ng0@we.make.ritual.n0.is>
+;;; Coypright © 2016 ng0 <ng0@libertad.pw>
 ;;; Copyright © 2016 Alex Sassmannshausen <alex@pompo.co>
 ;;; Copyright © 2016 Roel Janssen <roel@gnu.org>
 ;;; Copyright © 2016 Ben Woodcroft <donttrustben@gmail.com>
@@ -48,7 +48,7 @@
     (version "5.24.0")
     (source (origin
              (method url-fetch)
-             (uri (string-append "http://www.cpan.org/src/5.0/perl-"
+             (uri (string-append "mirror://cpan/src/5.0/perl-"
                                  version ".tar.gz"))
              (sha256
               (base32
@@ -2055,6 +2055,35 @@ each stack frame.")
 interface for the RFC 2104 HMAC mechanism.")
     (license (package-license perl))))
 
+(define-public perl-digest-md5
+  (package
+    (name "perl-digest-md5")
+    (version "2.55")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "mirror://cpan/authors/id/G/GA/GAAS/Digest-MD5-"
+                           version ".tar.gz"))
+       (sha256
+        (base32
+         "0g0fklbrm2krswc1xhp4iwn1dhqq71fqh2p5wm8xj9a4s6i9ic83"))))
+    (build-system perl-build-system)
+    (arguments
+     `(#:phases
+       (modify-phases %standard-phases
+         (add-after 'build 'set-permissions
+           (lambda _
+             ;; Make MD5.so read-write so it can be stripped.
+             (chmod "blib/arch/auto/Digest/MD5/MD5.so" #o755))))))
+    (home-page "http://search.cpan.org/dist/Digest-MD5")
+    (synopsis "Perl interface to the MD-5 algorithm")
+    (description
+     "The @code{Digest::MD5} module allows you to use the MD5 Message Digest
+algorithm from within Perl programs.  The algorithm takes as
+input a message of arbitrary length and produces as output a
+128-bit \"fingerprint\" or \"message digest\" of the input.")
+    (license (package-license perl))))
+
 (define-public perl-digest-sha1
   (package
     (name "perl-digest-sha1")
diff --git a/gnu/packages/php.scm b/gnu/packages/php.scm
new file mode 100644
index 0000000000..9ccbede873
--- /dev/null
+++ b/gnu/packages/php.scm
@@ -0,0 +1,334 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2016 Julien Lepiller <julien@lepiller.eu>
+;;; Copyright © 2016 Marius Bakke <mbakke@fastmail.com>
+;;;
+;;; This file is part of GNU Guix.
+;;;
+;;; GNU Guix is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or (at
+;;; your option) any later version.
+;;;
+;;; GNU Guix is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;;; GNU General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (gnu packages php)
+  #:use-module (gnu packages)
+  #:use-module (gnu packages algebra)
+  #:use-module (gnu packages aspell)
+  #:use-module (gnu packages base)
+  #:use-module (gnu packages bison)
+  #:use-module (gnu packages compression)
+  #:use-module (gnu packages curl)
+  #:use-module (gnu packages cyrus-sasl)
+  #:use-module (gnu packages databases)
+  #:use-module (gnu packages fontutils)
+  #:use-module (gnu packages gd)
+  #:use-module (gnu packages gettext)
+  #:use-module (gnu packages glib)
+  #:use-module (gnu packages gnupg)
+  #:use-module (gnu packages image)
+  #:use-module (gnu packages linux)
+  #:use-module (gnu packages multiprecision)
+  #:use-module (gnu packages openldap)
+  #:use-module (gnu packages pcre)
+  #:use-module (gnu packages pkg-config)
+  #:use-module (gnu packages readline)
+  #:use-module (gnu packages textutils)
+  #:use-module (gnu packages tls)
+  #:use-module (gnu packages web)
+  #:use-module (gnu packages xml)
+  #:use-module (gnu packages xorg)
+  #:use-module (gnu packages zip)
+  #:use-module (guix packages)
+  #:use-module (guix download)
+  #:use-module (guix build-system gnu)
+  #:use-module ((guix licenses) #:prefix license:))
+
+;; This fixes PHP bugs 73155 and 73159. Remove when gd
+;; is updated to > 2.2.3.
+(define gd-for-php
+  (package (inherit gd)
+           (source
+            (origin
+              (inherit (package-source gd))
+              (patches (search-patches
+                        "gd-fix-truecolor-format-correction.patch"
+                        "gd-fix-chunk-size-on-boundaries.patch"))))))
+
+(define-public php
+  (package
+    (name "php")
+    (version "7.0.13")
+    (home-page "https://secure.php.net/")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append home-page "distributions/"
+                                  name "-" version ".tar.xz"))
+              (sha256
+               (base32
+                "1gzihbpcp51jc587gs1ryn59hsnr7vf5427dmcvdimvm77wsfyrm"))
+              (modules '((guix build utils)))
+              (snippet
+               '(with-directory-excursion "ext"
+                  (for-each delete-file-recursively
+                            ;; Some of the bundled libraries have no proper upstream.
+                            ;; Ideally we'd extract these out as separate packages:
+                            ;;"mbstring/libmbfl"
+                            ;;"date/lib"
+                            ;;"bcmath/libbcmath"
+                            ;;"fileinfo/libmagic" ; This is a patched version of libmagic.
+                            '("gd/libgd"
+                              "mbstring/oniguruma"
+                              "pcre/pcrelib"
+                              "sqlite3/libsqlite"
+                              "xmlrpc/libxmlrpc"
+                              "zip/lib"))))))
+    (build-system gnu-build-system)
+    (arguments
+     '(#:configure-flags
+       (let-syntax ((with (syntax-rules ()
+                            ((_ option input)
+                             (string-append option "="
+                                            (assoc-ref %build-inputs input))))))
+         (list (with "--with-bz2" "bzip2")
+               (with "--with-curl" "curl")
+               (with "--with-freetype-dir" "freetype")
+               (with "--with-gd" "gd")
+               (with "--with-gdbm" "gdbm")
+               (with "--with-gettext" "glibc") ; libintl.h
+               (with "--with-gmp" "gmp")
+               (with "--with-jpeg-dir" "libjpeg")
+               (with "--with-ldap" "openldap")
+               (with "--with-ldap-sasl" "cyrus-sasl")
+               (with "--with-libzip" "zip")
+               (with "--with-libxml-dir" "libxml2")
+               (with "--with-onig" "oniguruma")
+               (with "--with-pcre-dir" "pcre")
+               (with "--with-pcre-regex" "pcre")
+               (with "--with-pdo-pgsql" "postgresql")
+               (with "--with-pdo-sqlite" "sqlite")
+               (with "--with-pgsql" "postgresql")
+               (with "--with-png-dir" "libpng")
+               ;; PHP’s Pspell extension, while retaining its current name,
+               ;; now uses the Aspell library.
+               (with "--with-pspell" "aspell")
+               (with "--with-readline" "readline")
+               (with "--with-sqlite3" "sqlite")
+               (with "--with-tidy" "tidy")
+               (with "--with-webp-dir" "libwebp")
+               (with "--with-xpm-dir" "libxpm")
+               (with "--with-xsl" "libxslt")
+               (with "--with-zlib-dir" "zlib")
+               ;; We could add "--with-snmp", but it requires netsnmp that
+               ;; we don't have a package for. It is used to build the snmp
+               ;; extension of php.
+               "--with-iconv"
+               "--with-openssl"
+               "--with-pdo-mysql"
+               "--with-zlib"
+               "--enable-calendar"
+               "--enable-dba=shared"
+               "--enable-exif"
+               "--enable-flatfile"
+               "--enable-fpm"
+               "--enable-ftp"
+               "--enable-inifile"
+               "--enable-mbstring"
+               "--enable-pcntl"
+               "--enable-sockets"
+               "--enable-threads"))
+       #:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'do-not-record-build-flags
+           (lambda _
+             ;; Prevent configure flags from being stored and causing
+             ;; unnecessary runtime dependencies.
+             (substitute* "scripts/php-config.in"
+               (("@CONFIGURE_OPTIONS@") "")
+               (("@PHP_LDFLAGS@") ""))
+             ;; This file has ISO-8859-1 encoding.
+             (with-fluids ((%default-port-encoding "ISO-8859-1"))
+               (substitute* "main/build-defs.h.in"
+                 (("@CONFIGURE_COMMAND@") "(omitted)")))
+             #t))
+         (add-before 'build 'patch-/bin/sh
+           (lambda _
+             (substitute* '("run-tests.php" "ext/standard/proc_open.c")
+               (("/bin/sh") (which "sh")))
+             #t))
+         (add-before 'check 'prepare-tests
+           (lambda _
+             ;; Some of these files have ISO-8859-1 encoding, whereas others
+             ;; use ASCII, so we can't use a "catch-all" find-files here.
+             (with-fluids ((%default-port-encoding "ISO-8859-1"))
+               (substitute* '("ext/mbstring/tests/mb_send_mail02.phpt"
+                              "ext/mbstring/tests/mb_send_mail04.phpt"
+                              "ext/mbstring/tests/mb_send_mail05.phpt"
+                              "ext/mbstring/tests/mb_send_mail06.phpt")
+                 (("/bin/cat") (which "cat"))))
+             (substitute* '("ext/mbstring/tests/mb_send_mail01.phpt"
+                            "ext/mbstring/tests/mb_send_mail03.phpt"
+                            "ext/mbstring/tests/bug52861.phpt"
+                            "ext/standard/tests/general_functions/bug34794.phpt"
+                            "ext/standard/tests/general_functions/bug44667.phpt"
+                            "ext/standard/tests/general_functions/proc_open.phpt")
+               (("/bin/cat") (which "cat")))
+             ;; The encoding of this file is not recognized, so we simply drop it.
+             (delete-file "ext/mbstring/tests/mb_send_mail07.phpt")
+
+             (substitute* "ext/standard/tests/streams/bug60602.phpt"
+               (("'ls'") (string-append "'" (which "ls") "'")))
+
+             ;; Drop tests that are known to fail.
+             (for-each delete-file
+                       '("ext/posix/tests/posix_getgrgid.phpt"    ; Requires /etc/group.
+                         "ext/sockets/tests/bug63000.phpt"        ; Fails to detect OS.
+                         "ext/sockets/tests/socket_shutdown.phpt" ; Requires DNS.
+                         "ext/sockets/tests/socket_send.phpt"     ; Likewise.
+                         "ext/sockets/tests/mcast_ipv4_recv.phpt" ; Requires multicast.
+                         ;; These needs /etc/services.
+                         "ext/standard/tests/general_functions/getservbyname_basic.phpt"
+                         "ext/standard/tests/general_functions/getservbyport_basic.phpt"
+                         "ext/standard/tests/general_functions/getservbyport_variation1.phpt"
+                         ;; And /etc/protocols.
+                         "ext/standard/tests/network/getprotobyname_basic.phpt"
+                         "ext/standard/tests/network/getprotobynumber_basic.phpt"
+                         ;; And exotic locales.
+                         "ext/standard/tests/strings/setlocale_basic1.phpt"
+                         "ext/standard/tests/strings/setlocale_basic2.phpt"
+                         "ext/standard/tests/strings/setlocale_basic3.phpt"
+                         "ext/standard/tests/strings/setlocale_variation1.phpt"
+
+                         ;; XXX: These gd tests fails.  Likely because our version
+                         ;; is different from the (patched) bundled one.
+                         ;; Here, gd quits immediately after "fatal libpng error"; while the
+                         ;; test expects it to additionally return a "setjmp" error and warning.
+                         "ext/gd/tests/bug39780_extern.phpt"
+                         "ext/gd/tests/libgd00086_extern.phpt"
+                         ;; Extra newline in gd-png output.
+                         "ext/gd/tests/bug45799.phpt"
+                         ;; Different error message than expected from imagecrop().
+                         "ext/gd/tests/bug66356.phpt"
+                         ;; Similarly for imagecreatefromgd2().
+                         "ext/gd/tests/bug72339.phpt"
+                         ;; Call to undefined function imageantialias().  They are
+                         ;; supposed to fail anyway.
+                         "ext/gd/tests/bug72482.phpt"
+                         "ext/gd/tests/bug72482_2.phpt"
+                         "ext/gd/tests/bug73213.phpt"
+                         ;; Test expects generic "gd warning" but gets the actual function name.
+                         "ext/gd/tests/createfromwbmp2_extern.phpt"
+                         ;; TODO: Enable these when libgd is built with xpm support.
+                         "ext/gd/tests/xpm2gd.phpt"
+                         "ext/gd/tests/xpm2jpg.phpt"
+                         "ext/gd/tests/xpm2png.phpt"
+
+                         ;; XXX: These iconv tests have the expected outcome,
+                         ;; but with different error messages.
+                         ;; Expects "illegal character", instead gets "unknown error (84)".
+                         "ext/iconv/tests/bug52211.phpt"
+                         ;; Expects "wrong charset", gets unknown error (22).
+                         "ext/iconv/tests/iconv_mime_decode_variation3.phpt"
+                         "ext/iconv/tests/iconv_strlen_error2.phpt"
+                         "ext/iconv/tests/iconv_strlen_variation2.phpt"
+                         "ext/iconv/tests/iconv_substr_error2.phpt"
+                         ;; Expects conversion error, gets "error condition Termsig=11".
+                         "ext/iconv/tests/iconv_strpos_error2.phpt"
+                         "ext/iconv/tests/iconv_strrpos_error2.phpt"
+                         ;; Similar, but iterating over multiple values.
+                         ;; iconv breaks the loop after the first error with Termsig=11.
+                         "ext/iconv/tests/iconv_strpos_variation4.phpt"
+                         "ext/iconv/tests/iconv_strrpos_variation3.phpt"
+
+                         ;; XXX: These test failures appear legitimate, needs investigation.
+                         ;; open_basedir() restriction failure.
+                         "ext/curl/tests/bug61948.phpt"
+                         ;; Expects a false boolean, gets empty array from glob().
+                         "ext/standard/tests/file/bug41655_1.phpt"
+                         "ext/standard/tests/file/glob_variation5.phpt"
+                         ;; Test output is correct, but in wrong order.
+                         "ext/standard/tests/streams/proc_open_bug64438.phpt"
+                         ;; The test expects an Array, but instead get the contents(?).
+                         "ext/gd/tests/bug43073.phpt"
+                         ;; imagettftext() returns wrong coordinates.
+                         "ext/gd/tests/bug48732.phpt"
+                         ;; Similarly for imageftbbox().
+                         "ext/gd/tests/bug48801.phpt"
+                         ;; Different expected output from imagecolorallocate().
+                         "ext/gd/tests/bug53504.phpt"
+                         ;; Wrong image size after scaling an image.
+                         "ext/gd/tests/bug73272.phpt"
+                         ;; Expects iconv to detect illegal characters, instead gets
+                         ;; "unknown error (84)" and heap corruption(!).
+                         "ext/iconv/tests/bug48147.phpt"
+                         ;; Expects illegal character ".", gets "=?utf-8?Q?."
+                         "ext/iconv/tests/bug51250.phpt"
+                         ;; @iconv() does not return expected output.
+                         "ext/iconv/tests/iconv003.phpt"
+                         ;; iconv throws "buffer length exceeded" on some string checks.
+                         "ext/iconv/tests/iconv_mime_encode.phpt"
+                         ;; file_get_contents(): iconv stream filter
+                         ;; ("ISO-8859-1"=>"UTF-8") unknown error.
+                         "ext/standard/tests/file/bug43008.phpt"
+                         ;; Table data not created in sqlite(?).
+                         "ext/pdo_sqlite/tests/bug_42589.phpt"))
+
+             ;; Skip tests requiring network access.
+             (setenv "SKIP_ONLINE_TESTS" "1")
+             ;; Without this variable, 'make test' passes regardless of failures.
+             (setenv "REPORT_EXIT_STATUS" "1")
+             #t)))
+       #:test-target "test"))
+    (inputs
+     `(("aspell" ,aspell)
+       ("bzip2" ,bzip2)
+       ("curl" ,curl)
+       ("cyrus-sasl" ,cyrus-sasl)
+       ("freetype" ,freetype)
+       ("gd" ,gd-for-php)
+       ("gdbm" ,gdbm)
+       ("glibc" ,glibc)
+       ("gmp" ,gmp)
+       ("libgcrypt" ,libgcrypt)
+       ("libjpeg" ,libjpeg)
+       ("libpng" ,libpng)
+       ("libwebp" ,libwebp)
+       ("libxml2" ,libxml2)
+       ("libxpm" ,libxpm)
+       ("libxslt" ,libxslt)
+       ("libx11" ,libx11)
+       ("oniguruma" ,oniguruma)
+       ("openldap" ,openldap)
+       ("openssl" ,openssl)
+       ("pcre" ,pcre)
+       ("postgresql" ,postgresql)
+       ("readline" ,readline)
+       ("sqlite" ,sqlite-3.15.1)
+       ("tidy" ,tidy)
+       ("zip" ,zip)
+       ("zlib" ,zlib)))
+    (native-inputs
+     `(("pkg-config" ,pkg-config)
+       ("bison" ,bison)
+       ("intltool" ,intltool)
+       ("procps" ,procps)))         ; For tests.
+    (synopsis "PHP programming language")
+    (description
+      "PHP (PHP Hypertext Processor) is a server-side (CGI) scripting
+language designed primarily for web development but is also used as
+a general-purpose programming language.  PHP code may be embedded into
+HTML code, or it can be used in combination with various web template
+systems, web content management systems and web frameworks." )
+    (license (list
+              (license:non-copyleft "file://LICENSE")       ; The PHP license.
+              (license:non-copyleft "file://Zend/LICENSE")  ; The Zend license.
+              license:lgpl2.1                               ; ext/mbstring/libmbfl
+              license:lgpl2.1+                              ; ext/bcmath/libbcmath
+              license:bsd-2                                 ; ext/fileinfo/libmagic
+              license:expat))))                             ; ext/date/lib
diff --git a/gnu/packages/psyc.scm b/gnu/packages/psyc.scm
index a55f78e4c0..03df188d1d 100644
--- a/gnu/packages/psyc.scm
+++ b/gnu/packages/psyc.scm
@@ -212,7 +212,7 @@ including psyced.")
     (native-inputs
      `(("pkg-config" ,pkg-config)
        ("bison" ,bison)
-       ("gnu-gettext" ,gnu-gettext)
+       ("gettext" ,gettext-minimal)
        ("help2man" ,help2man)
        ("autoconf" ,autoconf)
        ("automake" ,automake)))
diff --git a/gnu/packages/python.scm b/gnu/packages/python.scm
index 18e485ab2e..5e8956f946 100644
--- a/gnu/packages/python.scm
+++ b/gnu/packages/python.scm
@@ -453,14 +453,14 @@ pidof, tty, taskset, pmap.")
 (define-public python-passlib
   (package
     (name "python-passlib")
-    (version "1.6.5")
+    (version "1.7.0")
     (source
      (origin
        (method url-fetch)
        (uri (pypi-uri "passlib" version))
        (sha256
         (base32
-         "1z27wdxs5rj5xhhqfzvzn3yg682irkxw6dcs5jj7mcf97psk8gd8"))))
+         "1vdbqsa1a31s98fxkinl052q8nnpvbxnb83qanxfpi2p6c2zdr0b"))))
     (build-system python-build-system)
     (native-inputs
      `(("python-nose" ,python-nose)
@@ -1620,6 +1620,8 @@ standard library.")
         (base32
          "1ckvrypyvb7jbqlgwdz0y337ajagjv7dgxyns326nqwypn1wpq0i"))))
     (build-system python-build-system)
+    (arguments
+     `(#:tests? #f)) ; Currently pafy can not find itself in the tests
     (propagated-inputs
      ;; Youtube-dl is a python package which is imported in the file
      ;; "backend_youtube_dl.py", therefore it needs to be propagated.
@@ -2326,13 +2328,13 @@ files.")
 (define-public python-pyld
   (package
     (name "python-pyld")
-    (version "0.6.8")
+    (version "0.7.1")
     (source (origin
               (method url-fetch)
               (uri (pypi-uri "PyLD" version))
               (sha256
                (base32
-                "0k881ffazpf8q1z8862g4bb3pzwpnz9whrci2mf311mvn1qbyqad"))))
+                "1m0fs6897vxfkf7awah5i66i7b7smm5fnywf1w50fpzyfbfhr156"))))
     (build-system python-build-system)
     (inputs
      `(("python-setuptools" ,python-setuptools)))
@@ -8200,13 +8202,13 @@ processes across test runs.")
 (define-public python-icalendar
   (package
     (name "python-icalendar")
-    (version "3.10")
+    (version "3.11")
     (source (origin
              (method url-fetch)
              (uri (pypi-uri "icalendar" version))
              (sha256
               (base32
-               "01amnk3621s7fagfla86npd25knbqirchg7h1jpqxqp103d02bs7"))))
+               "01v2f3swd5s72x65cdihw83dx1z799b4i49a6ncg7vqmcm20wapd"))))
     (build-system python-build-system)
     (propagated-inputs
      `(("python-dateutil-2" ,python-dateutil-2)
diff --git a/gnu/packages/qemu.scm b/gnu/packages/qemu.scm
index f6e34cace4..3c48b7a278 100644
--- a/gnu/packages/qemu.scm
+++ b/gnu/packages/qemu.scm
@@ -117,7 +117,6 @@
                  (let ((out (assoc-ref outputs "out")))
                    (and (zero? (system* "make" "info"))
                         (let ((infodir (string-append out "/share/info")))
-                          (mkdir-p infodir)
                           (for-each (lambda (info)
                                       (install-file info infodir))
                                     (find-files "." "\\.info$"))
diff --git a/gnu/packages/ruby.scm b/gnu/packages/ruby.scm
index 31eb8dfc6a..6471f2ff45 100644
--- a/gnu/packages/ruby.scm
+++ b/gnu/packages/ruby.scm
@@ -102,7 +102,7 @@ a focus on simplicity and productivity.")
 
 (define-public ruby-2.2
   (package (inherit ruby)
-    (version "2.2.5")
+    (version "2.2.6")
     (source
      (origin
        (method url-fetch)
@@ -111,7 +111,7 @@ a focus on simplicity and productivity.")
                            "/ruby-" version ".tar.xz"))
        (sha256
         (base32
-         "1mw7bzw76g5w37cwhb57r6gxcl2vn9lfrlyf4h4xms3qlnhflvzq"))))))
+         "0fbk2pyjphynj4kxn27vb5rsq6brr3y85p784jd1rxwws30fq54l"))))))
 
 (define-public ruby-2.1
   (package (inherit ruby)
@@ -4178,3 +4178,25 @@ patterns.")
 libraries for compiling Ruby native extensions.")
     (home-page "https://github.com/ruby-gnome2/pkg-config")
     (license license:lgpl2.0+)))
+
+(define-public ruby-net-http-digest-auth
+  (package
+    (name "ruby-net-http-digest-auth")
+    (version "1.4")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (rubygems-uri "net-http-digest_auth" version))
+       (sha256
+        (base32
+         "14801gr34g0rmqz9pv4rkfa3crfdbyfk6r48vpg5a5407v0sixqi"))))
+    (build-system ruby-build-system)
+    (native-inputs
+     `(("ruby-hoe" ,ruby-hoe)))
+    (synopsis "RFC 2617 HTTP digest authentication library")
+    (description
+     "This library implements HTTP's digest authentication scheme based on
+RFC 2617.  This enables the use of the digest authentication scheme instead
+of the more insecure basic authentication scheme.")
+    (home-page "http://github.com/drbrain/net-http-digest_auth")
+    (license license:expat)))
diff --git a/gnu/packages/shells.scm b/gnu/packages/shells.scm
index 9b9bd6c3a5..f3350ef501 100644
--- a/gnu/packages/shells.scm
+++ b/gnu/packages/shells.scm
@@ -288,14 +288,14 @@ ksh, and tcsh.")
 (define-public xonsh
   (package
     (name "xonsh")
-    (version "0.4.6")
+    (version "0.4.7")
     (source
       (origin
         (method url-fetch)
         (uri (pypi-uri "xonsh" version))
         (sha256
           (base32
-            "0byxd9kjl99q2pyvjh9jy18l0di1i35wr0qqgnw4i6jh6ig3zcki"))
+            "04b0z41mxiwsp5rl21fzrixcdmx2kndjlh4gn3582qfga9hihf20"))
         (modules '((guix build utils)))
         (snippet
          `(begin
diff --git a/gnu/packages/syndication.scm b/gnu/packages/syndication.scm
index f4668de0c0..f434006656 100644
--- a/gnu/packages/syndication.scm
+++ b/gnu/packages/syndication.scm
@@ -53,7 +53,7 @@
        #:make-flags (list (string-append "prefix=" (assoc-ref %outputs "out")))
        #:test-target "test"))
     (native-inputs
-     `(("gettext" ,gnu-gettext)
+     `(("gettext" ,gettext-minimal)
        ("perl" ,perl)
        ("pkg-config" ,pkg-config)
        ("ruby" ,ruby))) ; for tests
diff --git a/gnu/packages/telephony.scm b/gnu/packages/telephony.scm
index 8f2a10f2c5..3d5e58ec2d 100644
--- a/gnu/packages/telephony.scm
+++ b/gnu/packages/telephony.scm
@@ -134,9 +134,8 @@ to initiate and control SIP sessions.")
    (version "4.1.0")
    (source (origin
             (method url-fetch)
-            (uri (string-append
-                  "http://download.savannah.gnu.org/releases/exosip/libeXosip2-"
-                  version ".tar.gz"))
+            (uri (string-append "mirror://savannah/exosip/libeXosip2-"
+                                version ".tar.gz"))
             (sha256 (base32
                      "17cna8kpc8nk1si419vgr6r42k2lda0rdk50vlxrw8rzg0xp2xrw"))))
    (build-system gnu-build-system)
diff --git a/gnu/packages/video.scm b/gnu/packages/video.scm
index 4329d20c2e..4eab99b5aa 100644
--- a/gnu/packages/video.scm
+++ b/gnu/packages/video.scm
@@ -12,6 +12,7 @@
 ;;; Copyright © 2016 Dmitry Nikolaev <cameltheman@gmail.com>
 ;;; Copyright © 2016 Andy Patterson <ajpatter@uwaterloo.ca>
 ;;; Copyright © 2016 ng0 <ng0@we.make.ritual.n0.is>
+;;; Copyright © 2016 Eric Bavier <bavier@member.fsf.org>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -51,6 +52,7 @@
   #:use-module (gnu packages base)
   #:use-module (gnu packages bison)
   #:use-module (gnu packages cdrom)
+  #:use-module (gnu packages cmake)
   #:use-module (gnu packages compression)
   #:use-module (gnu packages curl)
   #:use-module (gnu packages databases)
@@ -64,11 +66,14 @@
   #:use-module (gnu packages gl)
   #:use-module (gnu packages glib)
   #:use-module (gnu packages guile)
+  #:use-module (gnu packages gnome)
   #:use-module (gnu packages gnupg)
+  #:use-module (gnu packages gstreamer)
   #:use-module (gnu packages gtk)
   #:use-module (gnu packages image)
   #:use-module (gnu packages linux)
   #:use-module (gnu packages lua)
+  #:use-module (gnu packages m4)
   #:use-module (gnu packages mp3)
   #:use-module (gnu packages ncurses)
   #:use-module (gnu packages ocr)
@@ -85,6 +90,7 @@
   #:use-module (gnu packages tls)
   #:use-module (gnu packages version-control)
   #:use-module (gnu packages web)
+  #:use-module (gnu packages webkit)
   #:use-module (gnu packages xdisorg)
   #:use-module (gnu packages xiph)
   #:use-module (gnu packages xml)
@@ -827,7 +833,7 @@ SVCD, DVD, 3ivx, DivX 3/4/5, WMV and H.264 movies.")
 (define-public mpv
   (package
     (name "mpv")
-    (version "0.21.0")
+    (version "0.22.0")
     (source (origin
               (method url-fetch)
               (uri (string-append
@@ -835,7 +841,7 @@ SVCD, DVD, 3ivx, DivX 3/4/5, WMV and H.264 movies.")
                     ".tar.gz"))
               (sha256
                (base32
-                "1lwvvhldqrkp44zdm3wbi7qrsln13s8ympwwckqhwl4whp78wpyh"))
+                "1xl2a0nfbkcq00f41m50fmfz9hl7hzpk7cq7j38r38rp1s7sryf0"))
               (file-name (string-append name "-" version ".tar.gz"))))
     (build-system waf-build-system)
     (native-inputs
@@ -1478,7 +1484,7 @@ be used for realtime video capture via Linux-specific APIs.")
 (define-public obs
   (package
     (name "obs")
-    (version "0.16.2")
+    (version "0.16.6")
     (source (origin
               (method url-fetch)
               (uri (string-append "https://github.com/jp9000/obs-studio"
@@ -1486,7 +1492,7 @@ be used for realtime video capture via Linux-specific APIs.")
               (file-name (string-append name "-" version ".tar.gz"))
               (sha256
                (base32
-                "0p2grxyaf79hb3nlja23xp7b2vc1w18llvzcyhnjn2lhwfjabcgm"))))
+                "00vwdnf0gnwp029sznsr0s4lcky3brxbmpy0ch7igjpk5sf6mkqp"))))
     (build-system cmake-build-system)
     (arguments
      `(#:tests? #f ; no tests
@@ -1702,6 +1708,12 @@ Content System specification.")
         (base32
          "1s7h35yx6f0szf8mm8612ic913w3v05m2kwphjfcxnpq0ammhyci"))))
     (build-system python-build-system)
+    (arguments
+     ;; Tests need to be disabled until #556 upstream is fixed. It reads as if the
+     ;; test suite results differ depending on the country and also introduce
+     ;; non-determinism in the tests.
+     ;; https://github.com/mps-youtube/mps-youtube/issues/556
+     `(#:tests? #f))
     (propagated-inputs
      `(("python-pafy" ,python-pafy)
        ("python-pygobject" ,python-pygobject))) ; For mpris2 support
@@ -1715,3 +1727,106 @@ It can use either mpv or mplayer for playback, and for conversion of
 formats ffmpeg or libav is used.  Users should install one of the
 supported players in addition to this package.")
     (license license:gpl3+)))
+
+(define-public handbrake
+  (package
+    (name "handbrake")
+    (version "0.10.5")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "https://handbrake.fr/rotation.php?file="
+                                  "HandBrake-" version ".tar.bz2"))
+              (file-name (string-append "handbrake-" version ".tar.bz2"))
+              (sha256
+               (base32
+                "1w720y3bplkz187wgvy4a4xm0vpppg45mlni55l6yi8v2bfk14pv"))
+              (patches (search-patches "handbrake-pkg-config-path.patch"))
+              (modules '((guix build utils)))
+              (snippet
+               ;; Remove bundled libraries and source not necessary for
+               ;; running under a GNU environment.
+               '(begin
+                  (for-each delete-file-recursively '("contrib" "macosx" "win"))
+                  #t))))
+    (build-system  glib-or-gtk-build-system)
+    (native-inputs
+     `(("automake" ,automake)           ;gui subpackage must be bootstrapped
+       ("autoconf" ,autoconf)
+       ("curl" ,curl)                   ;not actually used, but tested for
+       ("intltool" ,intltool)
+       ("libtool" ,libtool)
+       ("pkg-config" ,pkg-config)
+       ("python" ,python-2)))           ;for configuration
+    (inputs
+     `(("bzip2" ,bzip2)
+       ("dbus-glib" ,dbus-glib)
+       ("ffmpeg" ,ffmpeg)
+       ("fontconfig" ,fontconfig)
+       ("freetype" ,freetype)
+       ("glib" ,glib)
+       ("gstreamer" ,gstreamer)
+       ("gst-plugins-base" ,gst-plugins-base)
+       ("gtk+" ,gtk+)
+       ("lame" ,lame)
+       ("libass" ,libass)
+       ("libbluray" ,libbluray)
+       ("libdvdnav" ,libdvdnav)
+       ("libdvdread" ,libdvdread)
+       ("libgudev" ,libgudev)
+       ("libmpeg2" ,libmpeg2)
+       ("libnotify" ,libnotify)
+       ("libogg" ,libogg)
+       ("libsamplerate" ,libsamplerate)
+       ("libtheora" ,libtheora)
+       ("libvorbis" ,libvorbis)
+       ("libvpx" ,libvpx)
+       ("libxml2" ,libxml2)
+       ("libx264" ,libx264)
+       ("x265" ,x265)
+       ("zlib" ,zlib)))
+    (arguments
+     `(#:tests? #f             ;tests require Ruby and claim to be unsupported
+       #:phases
+       (modify-phases %standard-phases
+         (add-before 'patch-source-shebangs 'bootstrap-gtk
+           ;; Run bootstrap ahead of time so that shebangs get patched.
+           (lambda _
+             (setenv "CONFIG_SHELL" (which "sh"))
+             (setenv "NOCONFIGURE" "1")
+             ;; Patch the Makefile so that it doesn't bootstrap again.
+             (substitute* "gtk/module.rules"
+               ((".*autogen\\.sh.*") ""))
+             (zero? (system* "sh" "./gtk/autogen.sh"))))
+         (add-before 'configure 'disable-contrib
+           (lambda _
+             (substitute* "make/include/main.defs"
+               ;; Disable unconditional inclusion of some "contrib"
+               ;; libraries (ffmpeg, libvpx, libdvdread, libdvdnav,
+               ;; and libbluray), which would lead to fetching and
+               ;; building of these libraries.  Use our own instead.
+               (("MODULES \\+= contrib") "# MODULES += contrib"))
+             #t))
+         (add-before 'configure 'fix-x265-linking
+           (lambda _
+             (substitute* "test/module.defs"
+               ;; Fix missing library during linking error
+               (("TEST.GCC.l =") "TEST.GCC.l = x265"))
+             #t))
+         (replace 'configure
+           (lambda* (#:key outputs configure-flags #:allow-other-keys)
+             ;; 'configure' is not an autoconf-generated script, and
+             ;; errors on unrecognized arguments,
+             ;; e.g. --enable-fast-install
+             (let ((out (assoc-ref outputs "out")))
+               (zero? (apply system* "./configure"
+                             (string-append "--prefix=" out)
+                             (or configure-flags '()))))))
+         (add-after 'configure 'chdir-build
+           (lambda _ (chdir "./build") #t)))))
+    (home-page "https://handbrake.fr")
+    (synopsis "Video transcoder")
+    (description
+     "HandBrake is a tool for converting video from any format to a selection
+of modern, widely supported codecs.")
+    ;; Most under GPL version 2 or later, and portions under BSD 3 Clause
+    (license (list license:gpl2+ license:bsd-3))))
diff --git a/gnu/packages/vim.scm b/gnu/packages/vim.scm
index b283e975d5..678f895917 100644
--- a/gnu/packages/vim.scm
+++ b/gnu/packages/vim.scm
@@ -49,7 +49,7 @@
 (define-public vim
   (package
     (name "vim")
-    (version "8.0.0073")
+    (version "8.0.0095")
     (source (origin
              (method url-fetch)
              (uri (string-append "https://github.com/vim/vim/archive/v"
@@ -57,7 +57,7 @@
              (file-name (string-append name "-" version ".tar.gz"))
              (sha256
               (base32
-               "1snbzgj89scjs0v3m86p53wvpal9jgs1s6i3hv7jyknpnjvqv5q5"))))
+               "1whib2zzqdpgfhpr7ymqxj3das6iyiapvx0izw4147mkg9yanmp7"))))
     (build-system gnu-build-system)
     (arguments
      `(#:test-target "test"
@@ -129,7 +129,7 @@ configuration files.")
        ("fontconfig" ,fontconfig)
        ("freetype" ,freetype)
        ("gdk-pixbuf" ,gdk-pixbuf)
-       ("gettext" ,gnu-gettext)
+       ("gettext" ,gettext-minimal)
        ("glib" ,glib)
        ("gpm" ,gpm)
        ("gtk" ,gtk+-2)
diff --git a/gnu/packages/w3m.scm b/gnu/packages/w3m.scm
index 5f0fb56b0c..12114b13b9 100644
--- a/gnu/packages/w3m.scm
+++ b/gnu/packages/w3m.scm
@@ -2,6 +2,7 @@
 ;;; Copyright © 2013 Nikita Karetnikov <nikita@karetnikov.org>
 ;;; Copyright © 2016 Leo Famulari <leo@famulari.name>
 ;;; Copyright © 2016 Kei Kebreau <kei@openmailbox.org>
+;;; Copyright © 2016 Efraim Flashner <efraim@flashner.co.il>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -35,7 +36,7 @@
 (define-public w3m
   (package
     (name "w3m")
-    (version "0.5.3+git20161031")
+    (version "0.5.3+git20161120")
     (source (origin
               (method git-fetch)
               ;; Debian's fork of w3m is the only one that is still
@@ -46,16 +47,17 @@
               (file-name (string-append "w3m-" version "-checkout"))
               (sha256
                (base32
-                "142vkkmsk76wj9w6r4y2pa1hmy1kkzmc73an9zchx0ikm2z92x6s"))))
+                "06n5a9jdyihkd4xdjmyci32dpqp1k2l5awia5g9ng0bn256bacdc"))))
     (build-system gnu-build-system)
-    (arguments `(#:tests? #f  ; no check target
-                 #:phases (alist-cons-before
-                           'configure 'fix-perl
-                           (lambda _
-                             (substitute* '("scripts/w3mmail.cgi.in"
-                                            "scripts/dirlist.cgi.in")
-                               (("@PERL@") (which "perl"))))
-                           %standard-phases)))
+    (arguments
+     '(#:tests? #f  ; no check target
+       #:phases
+       (modify-phases %standard-phases
+         (add-before 'configure 'fix-perl
+           (lambda _ (substitute* '("scripts/w3mmail.cgi.in"
+                                    "scripts/dirlist.cgi.in")
+                       (("@PERL@") (which "perl")))
+             #t)))))
     (inputs
      `(("libgc" ,libgc)
        ("ncurses" ,ncurses)
diff --git a/gnu/packages/wm.scm b/gnu/packages/wm.scm
index 90d1dc1e33..999f78927f 100644
--- a/gnu/packages/wm.scm
+++ b/gnu/packages/wm.scm
@@ -299,7 +299,7 @@ prompt.")
     (synopsis "Tiling window manager")
     (source (origin
               (method url-fetch)
-              (uri (string-append "http://hackage.haskell.org/package/xmonad/"
+              (uri (string-append "mirror://hackage/package/xmonad/"
                                   name "-" version ".tar.gz"))
               (sha256
                (base32
@@ -355,7 +355,7 @@ tiled on several screens.")
     (source
      (origin
        (method url-fetch)
-       (uri (string-append "http://hackage.haskell.org/package/xmonad-contrib/"
+       (uri (string-append "mirror://hackage/package/xmonad-contrib/"
                            "xmonad-contrib-" version ".tar.gz"))
        (sha256
         (base32
diff --git a/gnu/packages/xdisorg.scm b/gnu/packages/xdisorg.scm
index a26c716866..86f5ad203c 100644
--- a/gnu/packages/xdisorg.scm
+++ b/gnu/packages/xdisorg.scm
@@ -1,6 +1,6 @@
 ;;; GNU Guix --- Functional package management for GNU
 ;;; Copyright © 2013, 2014 Andreas Enge <andreas@enge.fr>
-;;; Copyright © 2014, 2015 Mark H Weaver <mhw@netris.org>
+;;; Copyright © 2014, 2015, 2016 Mark H Weaver <mhw@netris.org>
 ;;; Copyright © 2014 Eric Bavier <bavier@member.fsf.org>
 ;;; Copyright © 2014, 2015, 2016 Alex Kost <alezost@gmail.com>
 ;;; Copyright © 2013, 2015 Ludovic Courtès <ludo@gnu.org>
@@ -15,6 +15,7 @@
 ;;; Copyright © 2016 Leo Famulari <leo@famulari.name>
 ;;; Copyright © 2016 Alex Kost <alezost@gmail.com>
 ;;; Copyright © 2016 Marius Bakke <mbakke@fastmail.com>
+;;; Copyright © 2016 Petter <petter@mykolab.ch>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -241,6 +242,7 @@ following the mouse.")
   (package
     (name "pixman")
     (version "0.34.0")
+    (replacement pixman/fixed)
     (source (origin
               (method url-fetch)
               (uri (string-append
@@ -262,6 +264,13 @@ manipulation, providing features such as image compositing and trapezoid
 rasterisation.")
     (license license:x11)))
 
+(define pixman/fixed
+  (package
+    (inherit pixman)
+    (source (origin
+              (inherit (package-source pixman))
+              (patches (search-patches "pixman-CVE-2016-5296.patch"))))))
+
 
 (define-public libdrm
   (package
@@ -1062,3 +1071,43 @@ XCB util-xrm module provides the following libraries:
 
 - xrm: utility functions for the X resource manager.")
     (license license:x11)))
+
+(define-public xcalib
+  (package
+    (name "xcalib")
+    (version "0.8")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "mirror://sourceforge/xcalib/xcalib/" version
+                                  "/xcalib-source-" version ".tar.gz"))
+              (sha256
+               (base32
+                "1rh6xb51c5xz926dnn82a2fn643g0sr4a8z66rn6yi7523kjw4ca"))))
+    (build-system gnu-build-system)
+    (arguments
+     '(#:make-flags '("CC=gcc")
+       #:tests? #f   ; No test suite
+       #:phases (modify-phases %standard-phases
+                  (delete 'configure)
+                  (replace 'install
+                    (lambda* (#:key outputs #:allow-other-keys)
+                      (let* ((out (assoc-ref outputs "out"))
+                             (bin (string-append out "/bin")))
+                        (install-file "xcalib" bin))))
+                  (add-after 'install 'install-doc
+                    (lambda* (#:key outputs #:allow-other-keys)
+                      (let ((doc (string-append(assoc-ref outputs "out")
+                                               "/share/doc/xcalib")))
+                        (install-file "README" doc)
+                        ;; Avoid unspecified return value.
+                        #t))))))
+    (inputs `(("libx11", libx11)
+              ("libxext", libxext)
+              ("libxxf86vm", libxxf86vm)))
+    (synopsis "Tiny monitor calibration loader for XFree86 (or X.org)")
+    (description "xcalib is a tiny tool to load the content of vcgt-Tags in ICC
+profiles to the video card's gamma ramp.  It does work with most video card
+drivers except the generic VESA driver.  Alter brightness, contrast, RGB, and
+invert colors on a specific display/screen.")
+    (home-page "http://xcalib.sourceforge.net/")
+    (license license:gpl2)))
diff --git a/gnu/packages/xiph.scm b/gnu/packages/xiph.scm
index 708b31bf8e..fc5cd6ca95 100644
--- a/gnu/packages/xiph.scm
+++ b/gnu/packages/xiph.scm
@@ -356,7 +356,7 @@ decoding .opus files.")
 (define opusfile
   (package
     (name "opusfile")
-    (version "0.7")
+    (version "0.8")
     (source (origin
               (method url-fetch)
               (uri (string-append
@@ -364,7 +364,7 @@ decoding .opus files.")
                     ".tar.gz"))
               (sha256
                (base32
-                "00f3wwjv3hxwg05g22s6mkkxikz80ljsn70g39cmi43jph9ysawy"))))
+                "192mp2jgn5s9815h31ybzsfipmbppmdhwx1dymrk26xarz9iw8rc"))))
     (build-system gnu-build-system)
     (propagated-inputs
      `(("opus" ,opus)))
diff --git a/gnu/services/dict.scm b/gnu/services/dict.scm
index da5d004701..303067037f 100644
--- a/gnu/services/dict.scm
+++ b/gnu/services/dict.scm
@@ -105,15 +105,17 @@ database {
         (chown rundir (passwd:uid user) (passwd:gid user)))))
 
 (define (dicod-shepherd-service config)
-  (list (shepherd-service
-         (provision '(dicod))
-         (documentation "Run the dicod daemon.")
-         (start #~(make-forkexec-constructor
-                   (list (string-append #$dico "/bin/dicod") "--foreground"
-                         (string-append
-                          "--config=" #$(dicod-configuration-file config)))
-                   #:user "dicod" #:group "dicod"))
-         (stop #~(make-kill-destructor)))))
+  (let ((dicod      (file-append (dicod-configuration-dico config)
+                                 "/bin/dicod"))
+        (dicod.conf (dicod-configuration-file config)))
+    (list (shepherd-service
+           (provision '(dicod))
+           (documentation "Run the dicod daemon.")
+           (start #~(make-forkexec-constructor
+                     (list #$dicod "--foreground"
+                           (string-append "--config=" #$dicod.conf))
+                     #:user "dicod" #:group "dicod"))
+          (stop #~(make-kill-destructor))))))
 
 (define dicod-service-type
   (service-type
diff --git a/gnu/services/networking.scm b/gnu/services/networking.scm
index 2adde23789..5a83240d77 100644
--- a/gnu/services/networking.scm
+++ b/gnu/services/networking.scm
@@ -62,6 +62,7 @@
             bitlbee-service
             bitlbee-service-type
 
+            wicd-service-type
             wicd-service
             network-manager-service
             connman-service
@@ -112,21 +113,19 @@ fe80::1%lo0 apps.facebook.com\n")
   static-networking?
   (interface static-networking-interface)
   (ip static-networking-ip)
+  (netmask static-networking-netmask
+           (default #f))
   (gateway static-networking-gateway)
   (provision static-networking-provision)
-  (name-servers static-networking-name-servers)
-  (net-tools static-networking-net-tools))
+  (name-servers static-networking-name-servers))
 
 (define static-networking-service-type
   (shepherd-service-type
    'static-networking
    (match-lambda
-     (($ <static-networking> interface ip gateway provision
-                             name-servers net-tools)
+     (($ <static-networking> interface ip netmask gateway provision
+                             name-servers)
       (let ((loopback? (memq 'loopback provision)))
-
-        ;; TODO: Eventually replace 'route' with bindings for the appropriate
-        ;; ioctls.
         (shepherd-service
 
          ;; Unless we're providing the loopback interface, wait for udev to be up
@@ -139,18 +138,28 @@ fe80::1%lo0 apps.facebook.com\n")
          (start #~(lambda _
                     ;; Return #t if successfully started.
                     (let* ((addr     (inet-pton AF_INET #$ip))
-                           (sockaddr (make-socket-address AF_INET addr 0)))
+                           (sockaddr (make-socket-address AF_INET addr 0))
+                           (mask     (and #$netmask
+                                          (inet-pton AF_INET #$netmask)))
+                           (maskaddr (and mask
+                                          (make-socket-address AF_INET
+                                                               mask 0)))
+                           (gateway  (and #$gateway
+                                          (inet-pton AF_INET #$gateway)))
+                           (gatewayaddr (and gateway
+                                             (make-socket-address AF_INET
+                                                                  gateway 0))))
                       (configure-network-interface #$interface sockaddr
                                                    (logior IFF_UP
                                                            #$(if loopback?
                                                                  #~IFF_LOOPBACK
-                                                                 0))))
-                    #$(if gateway
-                          #~(zero? (system* (string-append #$net-tools
-                                                           "/sbin/route")
-                                            "add" "-net" "default"
-                                            "gw" #$gateway))
-                          #t)
+                                                                 0))
+                                                   #:netmask maskaddr)
+                      (when gateway
+                        (let ((sock (socket AF_INET SOCK_DGRAM 0)))
+                          (add-network-route/gateway sock gatewayaddr)
+                          (close-port sock))))
+
                     #$(if (pair? name-servers)
                           #~(call-with-output-file "/etc/resolv.conf"
                               (lambda (port)
@@ -160,35 +169,34 @@ fe80::1%lo0 apps.facebook.com\n")
                                 (for-each (lambda (server)
                                             (format port "nameserver ~a~%"
                                                     server))
-                                          '#$name-servers)))
+                                          '#$name-servers)
+                                #t))
                           #t)))
          (stop #~(lambda _
                    ;; Return #f is successfully stopped.
                    (let ((sock (socket AF_INET SOCK_STREAM 0)))
+                     (when #$gateway
+                       (delete-network-route sock
+                                             (make-socket-address
+                                              AF_INET INADDR_ANY 0)))
                      (set-network-interface-flags sock #$interface 0)
-                     (close-port sock))
-                   (not #$(if gateway
-                              #~(system* (string-append #$net-tools
-                                                        "/sbin/route")
-                                         "del" "-net" "default")
-                              #t))))
+                     (close-port sock)
+                     #f)))
          (respawn? #f)))))))
 
 (define* (static-networking-service interface ip
                                     #:key
-                                    gateway
+                                    netmask gateway
                                     (provision '(networking))
-                                    (name-servers '())
-                                    (net-tools net-tools))
+                                    (name-servers '()))
   "Return a service that starts @var{interface} with address @var{ip}.  If
-@var{gateway} is true, it must be a string specifying the default network
-gateway."
+@var{netmask} is true, use it as the network mask.  If @var{gateway} is true,
+it must be a string specifying the default network gateway."
   (service static-networking-service-type
            (static-networking (interface interface) (ip ip)
-                              (gateway gateway)
+                              (netmask netmask) (gateway gateway)
                               (provision provision)
-                              (name-servers name-servers)
-                              (net-tools net-tools))))
+                              (name-servers name-servers))))
 
 (define dhcp-client-service-type
   (shepherd-service-type
diff --git a/gnu/services/version-control.scm b/gnu/services/version-control.scm
new file mode 100644
index 0000000000..107bc8e77a
--- /dev/null
+++ b/gnu/services/version-control.scm
@@ -0,0 +1,141 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2016 ng0 <ng0@we.make.ritual.n0.is>
+;;; Copyright © 2016 Sou Bunnbu <iyzsong@member.fsf.org>
+;;;
+;;; This file is part of GNU Guix.
+;;;
+;;; GNU Guix is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or (at
+;;; your option) any later version.
+;;;
+;;; GNU Guix is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;;; GNU General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (gnu services version-control)
+  #:use-module (gnu services)
+  #:use-module (gnu services base)
+  #:use-module (gnu services shepherd)
+  #:use-module (gnu system shadow)
+  #:use-module (gnu packages version-control)
+  #:use-module (gnu packages admin)
+  #:use-module (guix records)
+  #:use-module (guix gexp)
+  #:use-module (srfi srfi-1)
+  #:use-module (srfi srfi-26)
+  #:use-module (ice-9 match)
+  #:export (git-daemon-service
+            git-daemon-service-type
+            git-daemon-configuration
+            git-daemon-configuration?))
+
+;;; Commentary:
+;;;
+;;; Version Control related services.
+;;;
+;;; Code:
+
+
+;;;
+;;; Git daemon.
+;;;
+
+(define-record-type* <git-daemon-configuration>
+  git-daemon-configuration
+  make-git-daemon-configuration
+  git-daemon-configuration?
+  (package          git-daemon-configuration-package        ;package
+                    (default git))
+  (export-all?      git-daemon-configuration-export-all     ;boolean
+                    (default #f))
+  (base-path        git-daemon-configuration-base-path      ;string | #f
+                    (default "/srv/git"))
+  (user-path        git-daemon-configuration-user-path      ;string | #f
+                    (default #f))
+  (listen           git-daemon-configuration-listen         ;list of string
+                    (default '()))
+  (port             git-daemon-configuration-port           ;number | #f
+                    (default #f))
+  (whitelist        git-daemon-configuration-whitelist      ;list of string
+                    (default '()))
+  (extra-options    git-daemon-configuration-extra-options  ;list of string
+                    (default '())))
+
+(define git-daemon-shepherd-service
+  (match-lambda
+    (($ <git-daemon-configuration>
+        package export-all? base-path user-path
+        listen port whitelist extra-options)
+     (let* ((git     (file-append package "/bin/git"))
+            (command `(,git
+                       "daemon" "--syslog" "--reuseaddr"
+                       ,@(if export-all?
+                             '("--export-all")
+                             '())
+                       ,@(if base-path
+                             `(,(string-append "--base-path=" base-path))
+                             '())
+                       ,@(if user-path
+                             `(,(string-append "--user-path=" user-path))
+                             '())
+                       ,@(map (cut string-append "--listen=" <>) listen)
+                       ,@(if port
+                             `(,(string-append
+                                 "--port=" (number->string port)))
+                             '())
+                       ,@extra-options
+                       ,@whitelist)))
+       (list (shepherd-service
+              (documentation "Run the git-daemon.")
+              (requirement '(networking))
+              (provision '(git-daemon))
+              (start #~(make-forkexec-constructor '#$command
+                                                  #:user "git-daemon"
+                                                  #:group "git-daemon"))
+              (stop #~(make-kill-destructor))))))))
+
+(define %git-daemon-accounts
+  ;; User account and group for git-daemon.
+  (list (user-group
+         (name "git-daemon")
+         (system? #t))
+        (user-account
+         (name "git-daemon")
+         (system? #t)
+         (group "git-daemon")
+         (comment "Git daemon user")
+         (home-directory "/var/empty")
+         (shell (file-append shadow "/sbin/nologin")))))
+
+(define (git-daemon-activation config)
+  "Return the activation gexp for git-daemon using CONFIG."
+  (let ((base-path (git-daemon-configuration-base-path config)))
+    #~(begin
+        (use-modules (guix build utils))
+        ;; Create the 'base-path' directory when it's not '#f'.
+        (and=> #$base-path mkdir-p))))
+
+(define git-daemon-service-type
+  (service-type
+   (name 'git-daemon)
+   (extensions
+    (list (service-extension shepherd-root-service-type
+                             git-daemon-shepherd-service)
+          (service-extension account-service-type
+                             (const %git-daemon-accounts))
+          (service-extension activation-service-type
+                             git-daemon-activation)))))
+
+(define* (git-daemon-service #:key (config (git-daemon-configuration)))
+  "Return a service that runs @command{git daemon}, a simple TCP server to
+expose repositories over the Git protocol for annoymous access.
+
+The optional @var{config} argument should be a
+@code{<git-daemon-configuration>} object, by default it allows read-only
+access to exported repositories under @file{/srv/git}."
+  (service git-daemon-service-type config))
diff --git a/gnu/system.scm b/gnu/system.scm
index cf220e72fd..4e57f975e6 100644
--- a/gnu/system.scm
+++ b/gnu/system.scm
@@ -346,7 +346,8 @@ explicitly appear in OS."
 
 (define %base-firmware
   ;; Firmware usable by default.
-  (list ath9k-htc-firmware))
+  (list ath9k-htc-firmware
+        openfwwf-firmware))
 
 (define %base-packages
   ;; Default set of packages globally visible.  It should include anything
diff --git a/gnu/system/vm.scm b/gnu/system/vm.scm
index 03f7d6c913..1e680b85a2 100644
--- a/gnu/system/vm.scm
+++ b/gnu/system/vm.scm
@@ -317,7 +317,6 @@ of the GNU system as described by OS."
               (initrd (lambda (file-systems . rest)
                         (apply base-initrd file-systems
                                #:virtio? #t
-                               #:qemu-networking? #t
                                rest)))
 
               ;; Force our own root file system.
@@ -386,7 +385,6 @@ environment with the store shared with the host.  MAPPINGS is a list of
               (apply base-initrd file-systems
                      #:volatile-root? #t
                      #:virtio? #t
-                     #:qemu-networking? #t
                      rest)))
 
     ;; Disable swap.
diff --git a/gnu/tests/base.scm b/gnu/tests/base.scm
index 5c2af5b6d4..9a265309c0 100644
--- a/gnu/tests/base.scm
+++ b/gnu/tests/base.scm
@@ -150,14 +150,20 @@ info --version")
               (marionette-type "root\n\nid -un > logged-in\n" marionette)
 
               ;; It can take a while before the shell commands are executed.
-              (let loop ((i 0))
-                (unless (or (file-exists? "/root/logged-in") (> i 15))
-                  (sleep 1)
-                  (loop (+ i 1))))
               (marionette-eval '(use-modules (rnrs io ports)) marionette)
-              (marionette-eval '(call-with-input-file "/root/logged-in"
-                                  get-string-all)
-                               marionette)))
+              (marionette-eval
+               '(let loop ((i 0))
+                  (catch 'system-error
+                    (lambda ()
+                      (call-with-input-file "/root/logged-in"
+                        get-string-all))
+                    (lambda args
+                      (if (and (< i 15) (= ENOENT (system-error-errno args)))
+                          (begin
+                            (sleep 1)
+                            (loop (+ i 1)))
+                          (apply throw args)))))
+               marionette)))
 
           (test-assert "host name resolution"
             (match (marionette-eval
diff --git a/guix/build/syscalls.scm b/guix/build/syscalls.scm
index 2cee6544c4..9386c0f5d0 100644
--- a/guix/build/syscalls.scm
+++ b/guix/build/syscalls.scm
@@ -87,12 +87,16 @@
             all-network-interface-names
             network-interface-names
             network-interface-flags
+            network-interface-netmask
             loopback-network-interface?
             network-interface-address
             set-network-interface-flags
             set-network-interface-address
+            set-network-interface-netmask
             set-network-interface-up
             configure-network-interface
+            add-network-route/gateway
+            delete-network-route
 
             interface?
             interface-name
@@ -202,7 +206,7 @@ result is the alignment of the \"most strictly aligned component\"."
                   types ...))))
 
 (define-syntax write-type
-  (syntax-rules (~ array)
+  (syntax-rules (~ array *)
     ((_ bv offset (type ~ order) value)
      (bytevector-uint-set! bv offset value
                            (endianness order) (sizeof* type)))
@@ -215,6 +219,9 @@ result is the alignment of the \"most strictly aligned component\"."
            ((head . tail)
             (write-type bv o type head)
             (loop (+ 1 i) tail (+ o (sizeof* type))))))))
+    ((_ bv offset '* value)
+     (bytevector-uint-set! bv offset (pointer-address value)
+                           (native-endianness) (sizeof* '*)))
     ((_ bv offset type value)
      (bytevector-uint-set! bv offset value
                            (native-endianness) (sizeof* type)))))
@@ -262,6 +269,29 @@ result is the alignment of the \"most strictly aligned component\"."
                                         (align offset type0)
                                         type0))))))
 
+(define-syntax define-c-struct-macro
+  (syntax-rules ()
+    "Define NAME as a macro that can be queried to get information about the C
+struct it represents.  In particular:
+
+  (NAME field-offset FIELD)
+
+returns the offset in bytes of FIELD within the C struct represented by NAME."
+    ((_ name ((fields types) ...))
+     (define-c-struct-macro name
+       (fields ...) 0 ()
+       ((fields types) ...)))
+    ((_ name (fields ...) offset (clauses ...) ((field type) rest ...))
+     (define-c-struct-macro name
+       (fields ...)
+       (+ (align offset type) (type-size type))
+       (clauses ... ((_ field-offset field) (align offset type)))
+       (rest ...)))
+    ((_ name (fields ...) offset (clauses ...) ())
+     (define-syntax name
+       (syntax-rules (field-offset fields ...)
+         clauses ...)))))
+
 (define-syntax define-c-struct
   (syntax-rules ()
     "Define SIZE as the size in bytes of the C structure made of FIELDS.  READ
@@ -269,6 +299,8 @@ as a deserializer and WRITE! as a serializer for the C structure with the
 given TYPES.  READ uses WRAP-FIELDS to return its value."
     ((_ name size wrap-fields read write! (fields types) ...)
      (begin
+       (define-c-struct-macro name
+         ((fields types) ...))
        (define size
          (struct-size 0 () types ...))
        (define (write! bv offset fields ...)
@@ -276,6 +308,12 @@ given TYPES.  READ uses WRAP-FIELDS to return its value."
        (define* (read bv #:optional (offset 0))
          (read-types wrap-fields bv offset (types ...) ()))))))
 
+(define-syntax-rule (c-struct-field-offset type field)
+  "Return the offset in BYTES of FIELD within TYPE, where TYPE is a C struct
+defined with 'define-c-struct' and FIELD is a field identifier.  An
+expansion-time error is raised if FIELD does not exist in TYPE."
+  (type field-offset field))
+
 
 ;;;
 ;;; FFI.
@@ -761,6 +799,22 @@ exception if it's already taken."
   (if (string-contains %host-type "linux")
       #x8916                                      ;GNU/Linux
       -1))                                        ;FIXME: GNU/Hurd?
+(define SIOCGIFNETMASK
+  (if (string-contains %host-type "linux")
+      #x891b                                      ;GNU/Linux
+      -1))                                        ;FIXME: GNU/Hurd?
+(define SIOCSIFNETMASK
+  (if (string-contains %host-type "linux")
+      #x891c                                      ;GNU/Linux
+      -1))                                        ;FIXME: GNU/Hurd?
+(define SIOCADDRT
+  (if (string-contains %host-type "linux")
+      #x890B                                      ;GNU/Linux
+      -1))                                        ;FIXME: GNU/Hurd?
+(define SIOCDELRT
+  (if (string-contains %host-type "linux")
+      #x890C                                      ;GNU/Linux
+      -1))                                        ;FIXME: GNU/Hurd?
 
 ;; Flags and constants from <net/if.h>.
 
@@ -770,10 +824,13 @@ exception if it's already taken."
 
 (define IF_NAMESIZE 16)                           ;maximum interface name size
 
-(define ifconf-struct
-  ;; 'struct ifconf', from <net/if.h>.
-  (list int                                       ;int ifc_len
-        '*))                                      ;struct ifreq *ifc_ifcu
+(define-c-struct %ifconf-struct
+  sizeof-ifconf
+  list
+  read-ifconf
+  write-ifconf!
+  (length  int)                                   ;int ifc_len
+  (request '*))                                   ;struct ifreq *ifc_ifcu
 
 (define ifreq-struct-size
   ;; 'struct ifreq' begins with an array of IF_NAMESIZE bytes containing the
@@ -865,15 +922,18 @@ to interfaces that are currently up."
          (sock   (or sock (socket SOCK_STREAM AF_INET 0)))
          (len    (* ifreq-struct-size 10))
          (reqs   (make-bytevector len))
-         (conf   (make-c-struct ifconf-struct
-                                (list len (bytevector->pointer reqs)))))
+         (conf   (make-bytevector sizeof-ifconf)))
+    (write-ifconf! conf 0
+                   len (bytevector->pointer reqs))
+
     (let-values (((ret err)
-                  (%ioctl (fileno sock) SIOCGIFCONF conf)))
+                  (%ioctl (fileno sock) SIOCGIFCONF
+                          (bytevector->pointer conf))))
       (when close?
         (close-port sock))
       (if (zero? ret)
           (bytevector->string-list reqs ifreq-struct-size
-                                   (match (parse-c-struct conf ifconf-struct)
+                                   (match (read-ifconf conf)
                                      ((len . _) len)))
           (throw 'system-error "network-interface-list"
                  "network-interface-list: ~A"
@@ -961,6 +1021,22 @@ interface NAME."
                (list name (strerror err))
                (list err))))))
 
+(define (set-network-interface-netmask socket name sockaddr)
+  "Set the network mask of interface NAME to SOCKADDR."
+  (let ((req (make-bytevector ifreq-struct-size)))
+    (bytevector-copy! (string->utf8 name) 0 req 0
+                      (min (string-length name) (- IF_NAMESIZE 1)))
+    ;; Set the 'ifr_addr' field.
+    (write-socket-address! sockaddr req IF_NAMESIZE)
+    (let-values (((ret err)
+                  (%ioctl (fileno socket) SIOCSIFNETMASK
+                          (bytevector->pointer req))))
+      (unless (zero? ret)
+        (throw 'system-error "set-network-interface-netmask"
+               "set-network-interface-netmask on ~A: ~A"
+               (list name (strerror err))
+               (list err))))))
+
 (define (network-interface-address socket name)
   "Return the address of network interface NAME.  The result is an object of
 the same type as that returned by 'make-socket-address'."
@@ -977,15 +1053,35 @@ the same type as that returned by 'make-socket-address'."
                  (list name (strerror err))
                  (list err))))))
 
-(define (configure-network-interface name sockaddr flags)
+(define (network-interface-netmask socket name)
+  "Return the netmask of network interface NAME.  The result is an object of
+the same type as that returned by 'make-socket-address'."
+  (let ((req (make-bytevector ifreq-struct-size)))
+    (bytevector-copy! (string->utf8 name) 0 req 0
+                      (min (string-length name) (- IF_NAMESIZE 1)))
+    (let-values (((ret err)
+                  (%ioctl (fileno socket) SIOCGIFNETMASK
+                          (bytevector->pointer req))))
+      (if (zero? ret)
+          (read-socket-address req IF_NAMESIZE)
+          (throw 'system-error "network-interface-netmask"
+                 "network-interface-netmask on ~A: ~A"
+                 (list name (strerror err))
+                 (list err))))))
+
+(define* (configure-network-interface name sockaddr flags
+                                      #:key netmask)
   "Configure network interface NAME to use SOCKADDR, an address as returned by
-'make-socket-address', and FLAGS, a bitwise-or of IFF_* constants."
+'make-socket-address', and FLAGS, a bitwise-or of IFF_* constants.  If NETMASK
+is true, it must be a socket address to use as the network mask."
   (let ((sock (socket (sockaddr:fam sockaddr) SOCK_STREAM 0)))
     (dynamic-wind
       (const #t)
       (lambda ()
         (set-network-interface-address sock name sockaddr)
-        (set-network-interface-flags sock name flags))
+        (set-network-interface-flags sock name flags)
+        (when netmask
+          (set-network-interface-netmask sock name netmask)))
       (lambda ()
         (close-port sock)))))
 
@@ -1004,6 +1100,106 @@ the same type as that returned by 'make-socket-address'."
 
 
 ;;;
+;;; Network routes.
+;;;
+
+(define-c-struct %rtentry                 ;'struct rtentry' from <net/route.h>
+  sizeof-rtentry
+  list
+  read-rtentry
+  write-rtentry!
+  (pad1            unsigned-long)
+  (destination     (array uint8 16))              ;struct sockaddr
+  (gateway         (array uint8 16))              ;struct sockaddr
+  (genmask         (array uint8 16))              ;struct sockaddr
+  (flags           unsigned-short)
+  (pad2            short)
+  (pad3            long)
+  (tos             uint8)
+  (class           uint8)
+  (pad4            (array uint8 (if (= 8 (sizeof* '*)) 3 1)))
+  (metric          short)
+  (device          '*)
+  (mtu             unsigned-long)
+  (window          unsigned-long)
+  (initial-rtt     unsigned-short))
+
+(define RTF_UP #x0001)                     ;'rtentry' flags from <net/route.h>
+(define RTF_GATEWAY #x0002)
+
+(define %sockaddr-any
+  (make-socket-address AF_INET INADDR_ANY 0))
+
+(define add-network-route/gateway
+  ;; To allow field names to be matched as literals, we need to move them out
+  ;; of the lambda's body since the parameters have the same name.  A lot of
+  ;; fuss for very little.
+  (let-syntax ((gateway-offset (identifier-syntax
+                                (c-struct-field-offset %rtentry gateway)))
+               (destination-offset (identifier-syntax
+                                    (c-struct-field-offset %rtentry destination)))
+               (genmask-offset (identifier-syntax
+                                (c-struct-field-offset %rtentry genmask))))
+    (lambda* (socket gateway
+                     #:key (destination %sockaddr-any) (genmask %sockaddr-any))
+      "Add a network route for DESTINATION (a socket address as returned by
+'make-socket-address') that goes through GATEWAY (a socket address).  For
+instance, the call:
+
+  (add-network-route/gateway sock
+                             (make-socket-address
+                               AF_INET
+                               (inet-pton AF_INET \"192.168.0.1\")
+                               0))
+
+is equivalent to this 'net-tools' command:
+
+  route add -net default gw 192.168.0.1
+
+because the default value of DESTINATION is \"0.0.0.0\"."
+      (let ((route (make-bytevector sizeof-rtentry 0)))
+        (write-socket-address! gateway route gateway-offset)
+        (write-socket-address! destination route destination-offset)
+        (write-socket-address! genmask route genmask-offset)
+        (bytevector-u16-native-set! route
+                                    (c-struct-field-offset %rtentry flags)
+                                    (logior RTF_UP RTF_GATEWAY))
+        (let-values (((ret err)
+                      (%ioctl (fileno socket) SIOCADDRT
+                              (bytevector->pointer route))))
+          (unless (zero? ret)
+            (throw 'system-error "add-network-route/gateway"
+                   "add-network-route/gateway: ~A"
+                   (list (strerror err))
+                   (list err))))))))
+
+(define delete-network-route
+  (let-syntax ((destination-offset (identifier-syntax
+                                    (c-struct-field-offset %rtentry destination))))
+    (lambda* (socket destination)
+      "Delete the network route for DESTINATION.  For instance, the call:
+
+  (delete-network-route sock
+                        (make-socket-address AF_INET INADDR_ANY 0))
+
+is equivalent to the 'net-tools' command:
+
+  route del -net default
+"
+
+      (let ((route (make-bytevector sizeof-rtentry 0)))
+        (write-socket-address! destination route destination-offset)
+        (let-values (((ret err)
+                      (%ioctl (fileno socket) SIOCDELRT
+                              (bytevector->pointer route))))
+          (unless (zero? ret)
+            (throw 'system-error "delete-network-route"
+                   "delete-network-route: ~A"
+                   (list (strerror err))
+                   (list err))))))))
+
+
+;;;
 ;;; Details about network interfaces---aka. 'getifaddrs'.
 ;;;
 
diff --git a/guix/derivations.scm b/guix/derivations.scm
index e378a7cb03..7ed9bd61d3 100644
--- a/guix/derivations.scm
+++ b/guix/derivations.scm
@@ -86,6 +86,7 @@
             derivation-path->output-path
             derivation-path->output-paths
             derivation
+            raw-derivation
 
             map-derivation
 
@@ -1306,3 +1307,6 @@ ALLOWED-REFERENCES, DISALLOWED-REFERENCES, LOCAL-BUILD?, and SUBSTITUTABLE?."
 
 (define built-derivations
   (store-lift build-derivations))
+
+(define raw-derivation
+  (store-lift derivation))
diff --git a/guix/download.scm b/guix/download.scm
index 0c275053c5..e2e5cee777 100644
--- a/guix/download.scm
+++ b/guix/download.scm
@@ -309,27 +309,64 @@
   (let ((module (resolve-interface '(gnu packages tls))))
     (module-ref module 'gnutls)))
 
-(define* (url-fetch url hash-algo hash
-                    #:optional name
-                    #:key (system (%current-system))
-                    (guile (default-guile)))
-  "Return a fixed-output derivation that fetches URL (a string, or a list of
-strings denoting alternate URLs), which is expected to have hash HASH of type
-HASH-ALGO (a symbol).  By default, the file name is the base name of URL;
-optionally, NAME can specify a different file name.
+(define built-in-builders*
+  (let ((cache (make-weak-key-hash-table)))
+    (lambda ()
+      "Return, as a monadic value, the list of built-in builders supported by
+the daemon."
+      (lambda (store)
+        ;; Memoize the result to avoid repeated RPCs.
+        (values (or (hashq-ref cache store)
+                    (let ((result (built-in-builders store)))
+                      (hashq-set! cache store result)
+                      result))
+                store)))))
 
-When one of the URL starts with mirror://, then its host part is
-interpreted as the name of a mirror scheme, taken from %MIRROR-FILE.
+(define* (built-in-download file-name url
+                            #:key system hash-algo hash
+                            mirrors content-addressed-mirrors
+                            (guile 'unused))
+  "Download FILE-NAME from URL using the built-in 'download' builder.
 
-Alternately, when URL starts with file://, return the corresponding file name
-in the store."
-  (define file-name
-    (match url
-      ((head _ ...)
-       (basename head))
-      (_
-       (basename url))))
+This is an \"out-of-band\" download in that the returned derivation does not
+explicitly depend on Guile, GnuTLS, etc.  Instead, the daemon performs the
+download by itself using its own dependencies."
+  (mlet %store-monad ((mirrors (lower-object mirrors))
+                      (content-addressed-mirrors
+                       (lower-object content-addressed-mirrors)))
+    (raw-derivation file-name "builtin:download" '()
+                    #:system system
+                    #:hash-algo hash-algo
+                    #:hash hash
+                    #:inputs `((,mirrors)
+                               (,content-addressed-mirrors))
 
+                    ;; Honor the user's proxy and locale settings.
+                    #:leaked-env-vars '("http_proxy" "https_proxy"
+                                        "LC_ALL" "LC_MESSAGES" "LANG"
+                                        "COLUMNS")
+
+                    #:env-vars `(("url" . ,(object->string url))
+                                 ("mirrors" . ,mirrors)
+                                 ("content-addressed-mirrors"
+                                  . ,content-addressed-mirrors))
+
+                    ;; Do not offload this derivation because we cannot be
+                    ;; sure that the remote daemon supports the 'download'
+                    ;; built-in.  We may remove this limitation when support
+                    ;; for that built-in is widespread.
+                    #:local-build? #t)))
+
+(define* (in-band-download file-name url
+                           #:key system hash-algo hash
+                           mirrors content-addressed-mirrors
+                           guile)
+  "Download FILE-NAME from URL using a normal, \"in-band\" fixed-output
+derivation.
+
+This is now deprecated since it has the drawback of causing bootstrapping
+issues: we may need to build GnuTLS just to be able to download the source of
+GnuTLS itself and its dependencies.  See <http://bugs.gnu.org/22774>."
   (define need-gnutls?
     ;; True if any of the URLs need TLS support.
     (let ((https? (cut string-prefix? "https://" <>)))
@@ -366,47 +403,81 @@ in the store."
                                             read))))
             (url-fetch (value-from-environment "guix download url")
                        #$output
-                       #:mirrors (call-with-input-file #$%mirror-file read)
+                       #:mirrors (call-with-input-file #$mirrors read)
 
                        ;; Content-addressed mirrors.
                        #:hashes
                        (value-from-environment "guix download hashes")
                        #:content-addressed-mirrors
-                       (primitive-load #$%content-addressed-mirror-file)
+                       (primitive-load #$content-addressed-mirrors)
 
                        ;; No need to validate certificates since we know the
                        ;; hash of the expected result.
                        #:verify-certificate? #f)))))
 
+  (mlet %store-monad ((guile (package->derivation guile system)))
+    (gexp->derivation file-name builder
+                      #:guile-for-build guile
+                      #:system system
+                      #:hash-algo hash-algo
+                      #:hash hash
+
+                      ;; Use environment variables and a fixed script
+                      ;; name so there's only one script in store for
+                      ;; all the downloads.
+                      #:script-name "download"
+                      #:env-vars
+                      `(("guix download url" . ,(object->string url))
+                        ("guix download hashes"
+                         . ,(object->string `((,hash-algo . ,hash)))))
+
+                      ;; Honor the user's proxy settings.
+                      #:leaked-env-vars '("http_proxy" "https_proxy")
+
+                      ;; In general, offloading downloads is not a good
+                      ;; idea.  Daemons before 0.8.3 would also
+                      ;; interpret this as "do not substitute" (see
+                      ;; <https://bugs.gnu.org/18747>.)
+                      #:local-build? #t)))
+
+(define* (url-fetch url hash-algo hash
+                    #:optional name
+                    #:key (system (%current-system))
+                    (guile (default-guile)))
+  "Return a fixed-output derivation that fetches URL (a string, or a list of
+strings denoting alternate URLs), which is expected to have hash HASH of type
+HASH-ALGO (a symbol).  By default, the file name is the base name of URL;
+optionally, NAME can specify a different file name.
+
+When one of the URL starts with mirror://, then its host part is
+interpreted as the name of a mirror scheme, taken from %MIRROR-FILE.
+
+Alternately, when URL starts with file://, return the corresponding file name
+in the store."
+  (define file-name
+    (match url
+      ((head _ ...)
+       (basename head))
+      (_
+       (basename url))))
+
   (let ((uri (and (string? url) (string->uri url))))
     (if (or (and (string? url) (not uri))
             (and uri (memq (uri-scheme uri) '(#f file))))
         (interned-file (if uri (uri-path uri) url)
                        (or name file-name))
-        (mlet %store-monad ((guile (package->derivation guile system)))
-          (gexp->derivation (or name file-name) builder
-                            #:guile-for-build guile
-                            #:system system
-                            #:hash-algo hash-algo
-                            #:hash hash
-
-                            ;; Use environment variables and a fixed script
-                            ;; name so there's only one script in store for
-                            ;; all the downloads.
-                            #:script-name "download"
-                            #:env-vars
-                            `(("guix download url" . ,(object->string url))
-                              ("guix download hashes"
-                               . ,(object->string `((,hash-algo . ,hash)))))
-
-                            ;; Honor the user's proxy settings.
-                            #:leaked-env-vars '("http_proxy" "https_proxy")
-
-                            ;; In general, offloading downloads is not a good
-                            ;; idea.  Daemons before 0.8.3 would also
-                            ;; interpret this as "do not substitute" (see
-                            ;; <https://bugs.gnu.org/18747>.)
-                            #:local-build? #t)))))
+        (mlet* %store-monad ((builtins (built-in-builders*))
+                             (download -> (if (member "download" builtins)
+                                              built-in-download
+                                              in-band-download)))
+          (download (or name file-name) url
+                    #:guile guile
+                    #:system system
+                    #:hash-algo hash-algo
+                    #:hash hash
+                    #:mirrors %mirror-file
+                    #:content-addressed-mirrors
+                    %content-addressed-mirror-file)))))
 
 (define* (url-fetch/tarbomb url hash-algo hash
                             #:optional name
diff --git a/guix/gexp.scm b/guix/gexp.scm
index 05178a5ecc..fd5dc49233 100644
--- a/guix/gexp.scm
+++ b/guix/gexp.scm
@@ -453,9 +453,6 @@ whether this should be considered a \"native\" input or not."
                           '()))
                        (gexp-references gexp)))))
 
-(define raw-derivation
-  (store-lift derivation))
-
 (define* (lower-inputs inputs
                        #:key system target)
   "Turn any package from INPUTS into a derivation for SYSTEM; return the
diff --git a/guix/profiles.scm b/guix/profiles.scm
index b56b8f4c79..0b317ef51e 100644
--- a/guix/profiles.scm
+++ b/guix/profiles.scm
@@ -501,10 +501,6 @@ if not found."
                          #t))))
             items))
 
-    ;; TODO: Factorize.
-    (define references*
-      (store-lift references))
-
     (with-monad %store-monad
       (match (manifest-entry-item entry)
         ((? package? package)
diff --git a/guix/scripts/download.scm b/guix/scripts/download.scm
index ec30b05ac0..dffff79729 100644
--- a/guix/scripts/download.scm
+++ b/guix/scripts/download.scm
@@ -23,12 +23,15 @@
   #:use-module (guix hash)
   #:use-module (guix utils)
   #:use-module (guix base32)
-  #:use-module (guix download)
-  #:use-module ((guix build download) #:select (current-terminal-columns))
-  #:use-module ((guix build syscalls) #:select (terminal-columns))
+  #:use-module ((guix download) #:hide (url-fetch))
+  #:use-module ((guix build download)
+                #:select (url-fetch current-terminal-columns))
+  #:use-module ((guix build syscalls)
+                #:select (terminal-columns))
   #:use-module (web uri)
   #:use-module (ice-9 match)
   #:use-module (srfi srfi-1)
+  #:use-module (srfi srfi-26)
   #:use-module (srfi srfi-37)
   #:use-module (rnrs bytevectors)
   #:use-module (ice-9 binary-ports)
@@ -39,15 +42,31 @@
 ;;; Command-line options.
 ;;;
 
+(define (download-to-file url file)
+  "Download the file at URI to FILE.  Return FILE."
+  (let ((uri (string->uri url)))
+    (match (uri-scheme uri)
+      ((or 'file #f)
+       (copy-file (uri-path uri) file))
+      (_
+       (url-fetch url file)))
+    file))
+
+(define* (download-to-store* url #:key (verify-certificate? #t))
+  (with-store store
+    (download-to-store store url
+                       #:verify-certificate? verify-certificate?)))
+
 (define %default-options
   ;; Alist of default option values.
   `((format . ,bytevector->nix-base32-string)
-    (verify-certificate? . #t)))
+    (verify-certificate? . #t)
+    (download-proc . ,download-to-store*)))
 
 (define (show-help)
   (display (_ "Usage: guix download [OPTION] URL
-Download the file at URL, add it to the store, and print its store path
-and the hash of its contents.
+Download the file at URL to the store or to the given file, and print its
+file name and the hash of its contents.
 
 Supported formats: 'nix-base32' (default), 'base32', and 'base16'
 ('hex' and 'hexadecimal' can be used as well).\n"))
@@ -56,6 +75,8 @@ Supported formats: 'nix-base32' (default), 'base32', and 'base16'
   (format #t (_ "
       --no-check-certificate
                          do not validate the certificate of HTTPS servers "))
+  (format #f (_ "
+  -o, --output=FILE      download to FILE"))
   (newline)
   (display (_ "
   -h, --help             display this help and exit"))
@@ -84,6 +105,12 @@ Supported formats: 'nix-base32' (default), 'base32', and 'base16'
         (option '("no-check-certificate") #f #f
                 (lambda (opt name arg result)
                   (alist-cons 'verify-certificate? #f result)))
+        (option '(#\o "output") #t #f
+                (lambda (opt name arg result)
+                  (alist-cons 'download-proc
+                              (lambda* (url #:key verify-certificate?)
+                                (download-to-file url arg))
+                              (alist-delete 'download result))))
 
         (option '(#\h "help") #f #f
                 (lambda args
@@ -113,24 +140,17 @@ Supported formats: 'nix-base32' (default), 'base32', and 'base16'
 
   (with-error-handling
     (let* ((opts  (parse-options))
-           (store (open-connection))
            (arg   (or (assq-ref opts 'argument)
                       (leave (_ "no download URI was specified~%"))))
            (uri   (or (string->uri arg)
                       (leave (_ "~a: failed to parse URI~%")
                              arg)))
-           (path  (case (uri-scheme uri)
-                    ((file)
-                     (add-to-store store (basename (uri-path uri))
-                                   #f "sha256" (uri-path uri)))
-                    (else
-                     (parameterize ((current-terminal-columns
-                                     (terminal-columns)))
-                       (download-to-store store (uri->string uri)
-                                          (basename (uri-path uri))
-                                          #:verify-certificate?
-                                          (assoc-ref opts
-                                                     'verify-certificate?))))))
+           (fetch (assq-ref opts 'download-proc))
+           (path  (parameterize ((current-terminal-columns
+                                  (terminal-columns)))
+                    (fetch arg
+                           #:verify-certificate?
+                           (assq-ref opts 'verify-certificate?))))
            (hash  (call-with-input-file
                       (or path
                           (leave (_ "~a: download failed~%")
diff --git a/guix/scripts/lint.scm b/guix/scripts/lint.scm
index 6e6f550941..9641d3926a 100644
--- a/guix/scripts/lint.scm
+++ b/guix/scripts/lint.scm
@@ -65,6 +65,7 @@
             check-home-page
             check-source
             check-source-file-name
+            check-mirror-url
             check-license
             check-vulnerabilities
             check-formatting
@@ -567,6 +568,14 @@ descriptions maintained upstream."
                  (location->string loc) (package-full-name package)
                  (fill-paragraph (escape-quotes upstream) 77 7)))))))
 
+(define (origin-uris origin)
+  "Return the list of URIs (strings) for ORIGIN."
+  (match (origin-uri origin)
+    ((? string? uri)
+     (list uri))
+    ((uris ...)
+     uris)))
+
 (define (check-source package)
   "Emit a warning if PACKAGE has an invalid 'source' field, or if that
 'source' is not reachable."
@@ -583,10 +592,7 @@ descriptions maintained upstream."
   (let ((origin (package-source package)))
     (when (and origin
                (eqv? (origin-method origin) url-fetch))
-      (let* ((strings (origin-uri origin))
-             (uris (if (list? strings)
-                       (map string->uri strings)
-                       (list (string->uri strings)))))
+      (let ((uris (map string->uri (origin-uris origin))))
 
         ;; Just make sure that at least one of the URIs is valid.
         (call-with-values
@@ -626,6 +632,31 @@ descriptions maintained upstream."
                     (_ "the source file name should contain the package name")
                     'source))))
 
+(define (check-mirror-url package)
+  "Check whether PACKAGE uses source URLs that should be 'mirror://'."
+  (define (check-mirror-uri uri)                  ;XXX: could be optimized
+    (let loop ((mirrors %mirrors))
+      (match mirrors
+        (()
+         #t)
+        (((mirror-id mirror-urls ...) rest ...)
+         (match (find (cut string-prefix? <> uri) mirror-urls)
+           (#f
+            (loop rest))
+           (prefix
+            (emit-warning package
+                          (format #f (_ "URL should be \
+'mirror://~a/~a'")
+                                  mirror-id
+                                  (string-drop uri (string-length prefix)))
+                          'source)))))))
+
+  (let ((origin (package-source package)))
+    (when (and (origin? origin)
+               (eqv? (origin-method origin) url-fetch))
+      (let ((uris (origin-uris origin)))
+        (for-each check-mirror-uri uris)))))
+
 (define (check-derivation package)
   "Emit a warning if we fail to compile PACKAGE to a derivation."
   (catch #t
@@ -864,6 +895,10 @@ or a list thereof")
      (description "Validate source URLs")
      (check       check-source))
    (lint-checker
+     (name        'mirror-url)
+     (description "Suggest 'mirror://' URLs")
+     (check       check-mirror-url))
+   (lint-checker
      (name        'source-file-name)
      (description "Validate file names of sources")
      (check       check-source-file-name))
diff --git a/guix/scripts/perform-download.scm b/guix/scripts/perform-download.scm
new file mode 100644
index 0000000000..0d2e7089aa
--- /dev/null
+++ b/guix/scripts/perform-download.scm
@@ -0,0 +1,113 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2016 Ludovic Courtès <ludo@gnu.org>
+;;;
+;;; This file is part of GNU Guix.
+;;;
+;;; GNU Guix is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or (at
+;;; your option) any later version.
+;;;
+;;; GNU Guix is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;;; GNU General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (guix scripts perform-download)
+  #:use-module (guix ui)
+  #:use-module (guix derivations)
+  #:use-module ((guix store) #:select (derivation-path?))
+  #:use-module (guix build download)
+  #:use-module (ice-9 match)
+  #:export (guix-perform-download))
+
+;; This program is a helper for the daemon's 'download' built-in builder.
+
+(define-syntax derivation-let
+  (syntax-rules ()
+    ((_ drv ((id name) rest ...) body ...)
+     (let ((id (assoc-ref (derivation-builder-environment-vars drv)
+                          name)))
+       (derivation-let drv (rest ...) body ...)))
+    ((_ drv () body ...)
+     (begin body ...))))
+
+(define %user-module
+  ;; Module in which content-address mirror procedures are evaluated.
+  (let ((module (make-fresh-user-module)))
+    (module-use! module (resolve-interface '(guix base32)))
+    module))
+
+(define (perform-download drv)
+  "Perform the download described by DRV, a fixed-output derivation."
+  (derivation-let drv ((url "url")
+                       (output "out")
+                       (executable "executable")
+                       (mirrors "mirrors")
+                       (content-addressed-mirrors "content-addressed-mirrors"))
+    (unless url
+      (leave (_ "~a: missing URL~%") (derivation-file-name drv)))
+
+    (let* ((url        (call-with-input-string url read))
+           (drv-output (assoc-ref (derivation-outputs drv) "out"))
+           (algo       (derivation-output-hash-algo drv-output))
+           (hash       (derivation-output-hash drv-output)))
+      (unless (and algo hash)
+        (leave (_ "~a is not a fixed-output derivation~%")
+               (derivation-file-name drv)))
+
+      ;; We're invoked by the daemon, which gives us write access to OUTPUT.
+      (when (url-fetch url output
+                       #:mirrors (if mirrors
+                                     (call-with-input-file mirrors read)
+                                     '())
+                       #:content-addressed-mirrors
+                       (if content-addressed-mirrors
+                           (call-with-input-file content-addressed-mirrors
+                             (lambda (port)
+                               (eval (read port) %user-module)))
+                           '())
+                       #:hashes `((,algo . ,hash))
+
+                       ;; Since DRV's output hash is known, X.509 certificate
+                       ;; validation is pointless.
+                       #:verify-certificate? #f)
+        (when (and executable (string=? executable "1"))
+          (chmod output #o755))))))
+
+(define (assert-low-privileges)
+  (when (zero? (getuid))
+    (leave (_ "refusing to run with elevated privileges (UID ~a)~%")
+           (getuid))))
+
+(define (guix-perform-download . args)
+  "Perform the download described by the given fixed-output derivation.
+
+This is an \"out-of-band\" download in that this code is executed directly by
+the daemon and not explicitly described as an input of the derivation.  This
+allows us to sidestep bootstrapping problems, such downloading the source code
+of GnuTLS over HTTPS, before we have built GnuTLS.  See
+<http://bugs.gnu.org/22774>."
+  (with-error-handling
+    (match args
+      (((? derivation-path? drv))
+       ;; This program must be invoked by guix-daemon under an unprivileged
+       ;; UID to prevent things downloading from 'file:///etc/shadow' or
+       ;; arbitrary code execution via the content-addressed mirror
+       ;; procedures.  (That means we exclude users who did not pass
+       ;; '--build-users-group'.)
+       (assert-low-privileges)
+       (perform-download (call-with-input-file drv read-derivation)))
+      (("--version")
+       (show-version-and-exit))
+      (x
+       (leave (_ "fixed-output derivation name expected~%"))))))
+
+;; Local Variables:
+;; eval: (put 'derivation-let 'scheme-indent-function 2)
+;; End:
+
+;; perform-download.scm ends here
diff --git a/guix/scripts/system.scm b/guix/scripts/system.scm
index 71ddccfa61..bb373a6726 100644
--- a/guix/scripts/system.scm
+++ b/guix/scripts/system.scm
@@ -77,9 +77,6 @@
 ;;; Installation.
 ;;;
 
-;; TODO: Factorize.
-(define references*
-  (store-lift references))
 (define topologically-sorted*
   (store-lift topologically-sorted))
 
diff --git a/guix/store.scm b/guix/store.scm
index 43cfda9214..7f54b87db1 100644
--- a/guix/store.scm
+++ b/guix/store.scm
@@ -95,8 +95,10 @@
             path-info-registration-time
             path-info-nar-size
 
+            built-in-builders
             references
             references/substitutes
+            references*
             requisites
             referrers
             optimize-store
@@ -187,7 +189,8 @@
   (query-substitutable-paths 32)
   (query-valid-derivers 33)
   (optimize-store 34)
-  (verify-store 35))
+  (verify-store 35)
+  (built-in-builders 80))
 
 (define-enumerate-type hash-algo
   ;; hash.hh
@@ -283,7 +286,7 @@
      (write-string (bytevector->base16-string arg) p))))
 
 (define-syntax read-arg
-  (syntax-rules (integer boolean string store-path store-path-list
+  (syntax-rules (integer boolean string store-path store-path-list string-list
                  substitutable-path-list path-info base16)
     ((_ integer p)
      (read-int p))
@@ -295,6 +298,8 @@
      (read-store-path p))
     ((_ store-path-list p)
      (read-store-path-list p))
+    ((_ string-list p)
+     (read-string-list p))
     ((_ substitutable-path-list p)
      (read-substitutable-path-list p))
     ((_ path-info p)
@@ -914,6 +919,23 @@ that there is no guarantee that the order of the resulting list matches the
 order of PATHS."
              substitutable-path-list))
 
+(define built-in-builders
+  (let ((builders (operation (built-in-builders)
+                             "Return the built-in builders."
+                             string-list)))
+    (lambda (store)
+      "Return the names of the supported built-in derivation builders
+supported by STORE."
+      ;; Check whether STORE's version supports this RPC and built-in
+      ;; derivation builders in general, which appeared in Guix > 0.11.0.
+      ;; Return the empty list if it doesn't.  Note that this RPC does not
+      ;; exist in 'nix-daemon'.
+      (if (or (> (nix-server-major-version store) #x100)
+              (and (= (nix-server-major-version store) #x100)
+                   (>= (nix-server-minor-version store) #x60)))
+          (builders store)
+          '()))))
+
 (define-operation (optimize-store)
   "Optimize the store by hard-linking identical files (\"deduplication\".)
 Return #t on success."
@@ -1149,6 +1171,9 @@ where FILE is the entry's absolute file name and STAT is the result of
 (define set-build-options*
   (store-lift set-build-options))
 
+(define references*
+  (store-lift references))
+
 (define-inlinable (current-system)
   ;; Consult the %CURRENT-SYSTEM fluid at bind time.  This is equivalent to
   ;; (lift0 %current-system %store-monad), but inlinable, thus avoiding
diff --git a/guix/tests/http.scm b/guix/tests/http.scm
new file mode 100644
index 0000000000..fe1e120c5d
--- /dev/null
+++ b/guix/tests/http.scm
@@ -0,0 +1,120 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2014, 2015, 2016 Ludovic Courtès <ludo@gnu.org>
+;;;
+;;; This file is part of GNU Guix.
+;;;
+;;; GNU Guix is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or (at
+;;; your option) any later version.
+;;;
+;;; GNU Guix is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;;; GNU General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (guix tests http)
+  #:use-module (ice-9 threads)
+  #:use-module (web server)
+  #:use-module (web server http)
+  #:use-module (web response)
+  #:use-module (srfi srfi-39)
+  #:export (with-http-server
+            call-with-http-server
+            %http-server-port
+            %http-server-socket
+            %local-url))
+
+;;; Commentary:
+;;;
+;;; Code to spawn a Web server for testing purposes.
+;;;
+;;; Code:
+
+(define %http-server-port
+  ;; TCP port to use for the stub HTTP server.
+  (make-parameter 9999))
+
+(define (%local-url)
+  ;; URL to use for 'home-page' tests.
+  (string-append "http://localhost:" (number->string (%http-server-port))
+                 "/foo/bar"))
+
+(define %http-server-socket
+  ;; Listening socket for the web server.  It is useful to export it so that
+  ;; tests can check whether we succeeded opening the socket and tests skip if
+  ;; needed.
+  (delay
+    (catch 'system-error
+      (lambda ()
+        (let ((sock (socket PF_INET SOCK_STREAM 0)))
+          (setsockopt sock SOL_SOCKET SO_REUSEADDR 1)
+          (bind sock
+                (make-socket-address AF_INET INADDR_LOOPBACK
+                                     (%http-server-port)))
+          sock))
+      (lambda args
+        (let ((err (system-error-errno args)))
+          (format (current-error-port)
+                  "warning: cannot run Web server for tests: ~a~%"
+                  (strerror err))
+          #f)))))
+
+(define (http-write server client response body)
+  "Write RESPONSE."
+  (let* ((response (write-response response client))
+         (port     (response-port response)))
+    (cond
+     ((not body))                                 ;pass
+     (else
+      (write-response-body response body)))
+    (close-port port)
+    (quit #t)                                     ;exit the server thread
+    (values)))
+
+;; Mutex and condition variable to synchronize with the HTTP server.
+(define %http-server-lock (make-mutex))
+(define %http-server-ready (make-condition-variable))
+
+(define (http-open . args)
+  "Start listening for HTTP requests and signal %HTTP-SERVER-READY."
+  (with-mutex %http-server-lock
+    (let ((result (apply (@@ (web server http) http-open) args)))
+      (signal-condition-variable %http-server-ready)
+      result)))
+
+(define-server-impl stub-http-server
+  ;; Stripped-down version of Guile's built-in HTTP server.
+  http-open
+  (@@ (web server http) http-read)
+  http-write
+  (@@ (web server http) http-close))
+
+(define (call-with-http-server code data thunk)
+  "Call THUNK with an HTTP server running and returning CODE and DATA (a
+string) on HTTP requests."
+  (define (server-body)
+    (define (handle request body)
+      (values (build-response #:code code
+                              #:reason-phrase "Such is life")
+              data))
+
+    (catch 'quit
+      (lambda ()
+        (run-server handle stub-http-server
+                    `(#:socket ,(force %http-server-socket))))
+      (const #t)))
+
+  (with-mutex %http-server-lock
+    (let ((server (make-thread server-body)))
+      (wait-condition-variable %http-server-ready %http-server-lock)
+      ;; Normally SERVER exits automatically once it has received a request.
+      (thunk))))
+
+(define-syntax-rule (with-http-server code data body ...)
+  (call-with-http-server code data (lambda () body ...)))
+
+;;; http.scm ends here
diff --git a/guix/ui.scm b/guix/ui.scm
index 9af8648211..cafb3c6705 100644
--- a/guix/ui.scm
+++ b/guix/ui.scm
@@ -1094,7 +1094,8 @@ DURATION-RELATION with the current time."
           (removed (lset-difference
                     equal-entry? (list-entries old) (list-entries new))))
       (for-each (cut display-entry <> "+") added)
-      (for-each (cut display-entry <> "-") removed)))
+      (for-each (cut display-entry <> "-") removed)
+      (newline)))
 
   (display-diff profile gen1 gen2))
 
@@ -1184,7 +1185,8 @@ optionally contain a version number and an output name, as in these examples:
 
 (define (show-guix-help)
   (define (internal? command)
-    (member command '("substitute" "authenticate" "offload")))
+    (member command '("substitute" "authenticate" "offload"
+                      "perform-download")))
 
   (format #t (_ "Usage: guix COMMAND ARGS...
 Run COMMAND with ARGS.\n"))
diff --git a/nix/libstore/build.cc b/nix/libstore/build.cc
index ae78e65199..889ee3d2bd 100644
--- a/nix/libstore/build.cc
+++ b/nix/libstore/build.cc
@@ -8,6 +8,7 @@
 #include "util.hh"
 #include "archive.hh"
 #include "affinity.hh"
+#include "builtins.hh"
 
 #include <map>
 #include <sstream>
@@ -2047,7 +2048,12 @@ void DerivationGoal::runChild()
         commonChildInit(builderOut);
 
 #if CHROOT_ENABLED
-        if (useChroot) {
+	/* Note: built-in builders are *not* running in a chroot environment
+	   so that we can easily implement them in Guile without having it as
+	   a derivation input (they are running under a separate build user,
+	   though).  */
+
+        if (useChroot && !isBuiltin(drv)) {
             /* Initialise the loopback interface. */
             AutoCloseFD fd(socket(PF_INET, SOCK_DGRAM, IPPROTO_IP));
             if (fd == -1) throw SysError("cannot open IP socket");
@@ -2255,6 +2261,28 @@ void DerivationGoal::runChild()
                 throw SysError("setuid failed");
         }
 
+        restoreSIGPIPE();
+
+        /* Indicate that we managed to set up the build environment. */
+        writeFull(STDERR_FILENO, "\n");
+
+        /* Execute the program.  This should not return. */
+        if (isBuiltin(drv)) {
+            try {
+                logType = ltFlat;
+
+		auto buildDrv = lookupBuiltinBuilder(drv.builder);
+                if (buildDrv != NULL)
+                    buildDrv(drv, drvPath);
+                else
+                    throw Error(format("unsupported builtin function '%1%'") % string(drv.builder, 8));
+                _exit(0);
+            } catch (std::exception & e) {
+                writeFull(STDERR_FILENO, "error: " + string(e.what()) + "\n");
+                _exit(1);
+            }
+        }
+
         /* Fill in the arguments. */
         Strings args;
         string builderBasename = baseNameOf(drv.builder);
@@ -2262,12 +2290,6 @@ void DerivationGoal::runChild()
         foreach (Strings::iterator, i, drv.args)
             args.push_back(rewriteHashes(*i, rewritesToTmp));
 
-        restoreSIGPIPE();
-
-        /* Indicate that we managed to set up the build environment. */
-        writeFull(STDERR_FILENO, "\n");
-
-        /* Execute the program.  This should not return. */
         execve(drv.builder.c_str(), stringsToCharPtrs(args).data(), stringsToCharPtrs(envStrs).data());
 
         throw SysError(format("executing `%1%'") % drv.builder);
diff --git a/nix/libstore/builtins.cc b/nix/libstore/builtins.cc
new file mode 100644
index 0000000000..32af767dc4
--- /dev/null
+++ b/nix/libstore/builtins.cc
@@ -0,0 +1,79 @@
+/* GNU Guix --- Functional package management for GNU
+   Copyright (C) 2016 Ludovic Courtès <ludo@gnu.org>
+
+   This file is part of GNU Guix.
+
+   GNU Guix is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or (at
+   your option) any later version.
+
+   GNU Guix is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#include <builtins.hh>
+#include <util.hh>
+#include <globals.hh>
+
+#include <unistd.h>
+
+namespace nix {
+
+static void builtinDownload(const Derivation &drv,
+			    const std::string &drvPath)
+{
+    /* Invoke 'guix perform-download'.  */
+    Strings args;
+    args.push_back("perform-download");
+    args.push_back(drvPath);
+
+    /* Close all other file descriptors. */
+    closeMostFDs(set<int>());
+
+    const char *const argv[] = { "download", drvPath.c_str(), NULL };
+
+    /* XXX: Hack our way to use the 'download' script from 'LIBEXECDIR/guix'
+       or just 'LIBEXECDIR', depending on whether we're running uninstalled or
+       not.  */
+    const string subdir = getenv("GUIX_UNINSTALLED") != NULL
+	? "" : "/guix";
+
+    const string program = settings.nixLibexecDir + subdir + "/download";
+    execv(program.c_str(), (char *const *) argv);
+
+    throw SysError(format("failed to run download program '%1%'") % program);
+}
+
+static const std::map<std::string, derivationBuilder> builtins =
+{
+    { "download", builtinDownload }
+};
+
+derivationBuilder lookupBuiltinBuilder(const std::string & name)
+{
+    if (name.substr(0, 8) == "builtin:")
+    {
+	auto realName = name.substr(8);
+	auto builder = builtins.find(realName);
+	return builder == builtins.end() ? NULL : builder->second;
+    }
+    else
+	return NULL;
+}
+
+std::list<std::string> builtinBuilderNames()
+{
+    std::list<std::string> result;
+    for(auto&& iter: builtins)
+    {
+	result.push_back(iter.first);
+    }
+    return result;
+}
+
+}
diff --git a/nix/libstore/builtins.hh b/nix/libstore/builtins.hh
new file mode 100644
index 0000000000..79171fcb6c
--- /dev/null
+++ b/nix/libstore/builtins.hh
@@ -0,0 +1,44 @@
+/* GNU Guix --- Functional package management for GNU
+   Copyright (C) 2016 Ludovic Courtès <ludo@gnu.org>
+
+   This file is part of GNU Guix.
+
+   GNU Guix is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or (at
+   your option) any later version.
+
+   GNU Guix is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.  */
+
+/* Interface to built-in derivation builders.  */
+
+#pragma once
+
+#include <derivations.hh>
+#include <map>
+#include <string>
+
+namespace nix {
+
+    inline bool isBuiltin(const Derivation & drv)
+    {
+	return string(drv.builder, 0, 8) == "builtin:";
+    }
+
+    /* Build DRV, which lives at DRVPATH.  */
+    typedef void (*derivationBuilder) (const Derivation &drv,
+				       const std::string &drvPath);
+
+    /* Return the built-in builder called BUILDER, or NULL if none was
+       found.  */
+    derivationBuilder lookupBuiltinBuilder(const std::string &builder);
+
+    /* Return the list of supported built-in builder names.  */
+    std::list<std::string> builtinBuilderNames();
+}
diff --git a/nix/libstore/worker-protocol.hh b/nix/libstore/worker-protocol.hh
index 7b7be4a8a0..bdeaca2e3a 100644
--- a/nix/libstore/worker-protocol.hh
+++ b/nix/libstore/worker-protocol.hh
@@ -6,7 +6,7 @@ namespace nix {
 #define WORKER_MAGIC_1 0x6e697863
 #define WORKER_MAGIC_2 0x6478696f
 
-#define PROTOCOL_VERSION 0x10f
+#define PROTOCOL_VERSION 0x160
 #define GET_PROTOCOL_MAJOR(x) ((x) & 0xff00)
 #define GET_PROTOCOL_MINOR(x) ((x) & 0x00ff)
 
@@ -43,7 +43,8 @@ typedef enum {
     wopQuerySubstitutablePaths = 32,
     wopQueryValidDerivers = 33,
     wopOptimiseStore = 34,
-    wopVerifyStore = 35
+    wopVerifyStore = 35,
+    wopBuiltinBuilders = 80
 } WorkerOp;
 
 
diff --git a/nix/local.mk b/nix/local.mk
index c666edd033..86ef769549 100644
--- a/nix/local.mk
+++ b/nix/local.mk
@@ -87,6 +87,7 @@ libstore_a_SOURCES =				\
   %D%/libstore/build.cc				\
   %D%/libstore/pathlocks.cc			\
   %D%/libstore/derivations.cc			\
+  %D%/libstore/builtins.cc			\
   %D%/libstore/sqlite.cc
 
 libstore_headers =				\
@@ -98,6 +99,7 @@ libstore_headers =				\
   %D%/libstore/misc.hh				\
   %D%/libstore/local-store.hh			\
   %D%/libstore/sqlite.hh			\
+  %D%/libstore/builtins.hh			\
   %D%/libstore/store-api.hh
 
 libstore_a_CPPFLAGS =				\
@@ -166,7 +168,8 @@ noinst_HEADERS =						\
 
 nodist_pkglibexec_SCRIPTS =			\
   %D%/scripts/list-runtime-roots		\
-  %D%/scripts/substitute
+  %D%/scripts/substitute			\
+  %D%/scripts/download
 
 if BUILD_DAEMON_OFFLOAD
 
diff --git a/nix/nix-daemon/nix-daemon.cc b/nix/nix-daemon/nix-daemon.cc
index 35c284f7e1..9b29b3e91d 100644
--- a/nix/nix-daemon/nix-daemon.cc
+++ b/nix/nix-daemon/nix-daemon.cc
@@ -6,6 +6,7 @@
 #include "archive.hh"
 #include "affinity.hh"
 #include "globals.hh"
+#include "builtins.hh"
 
 #include <algorithm>
 
@@ -671,6 +672,14 @@ static void performOp(bool trusted, unsigned int clientVersion,
         break;
     }
 
+    case wopBuiltinBuilders: {
+	startWork();
+	auto names = builtinBuilderNames();
+	stopWork();
+	writeStrings(names, to);
+	break;
+    }
+
     default:
         throw Error(format("invalid operation %1%") % op);
     }
diff --git a/nix/scripts/download.in b/nix/scripts/download.in
new file mode 100644
index 0000000000..4d7088a993
--- /dev/null
+++ b/nix/scripts/download.in
@@ -0,0 +1,11 @@
+#!@SHELL@
+# A shorthand for "guix perform-download", for use by the daemon.
+
+if test "x$GUIX_UNINSTALLED" = "x"
+then
+    prefix="@prefix@"
+    exec_prefix="@exec_prefix@"
+    exec "@bindir@/guix" perform-download "$@"
+else
+    exec guix perform-download "$@"
+fi
diff --git a/tests/derivations.scm b/tests/derivations.scm
index d8553b223e..2b5aa796d4 100644
--- a/tests/derivations.scm
+++ b/tests/derivations.scm
@@ -16,6 +16,8 @@
 ;;; You should have received a copy of the GNU General Public License
 ;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
 
+(unsetenv "http_proxy")
+
 (define-module (test-derivations)
   #:use-module (guix derivations)
   #:use-module (guix grafts)
@@ -24,6 +26,7 @@
   #:use-module (guix hash)
   #:use-module (guix base32)
   #:use-module (guix tests)
+  #:use-module (guix tests http)
   #:use-module ((guix packages) #:select (package-derivation base32))
   #:use-module ((guix build utils) #:select (executable-file?))
   #:use-module ((gnu packages) #:select (search-bootstrap-binary))
@@ -75,6 +78,9 @@
         (lambda (e1 e2)
           (string<? (car e1) (car e2)))))
 
+;; Avoid collisions with other tests.
+(%http-server-port 10500)
+
 
 (test-begin "derivations")
 
@@ -205,6 +211,74 @@
                 (= (stat:ino (lstat file1))
                    (stat:ino (lstat file2))))))))
 
+(test-equal "built-in-builders"
+  '("download")
+  (built-in-builders %store))
+
+(test-assert "unknown built-in builder"
+  (let ((drv (derivation %store "ohoh" "builtin:does-not-exist" '())))
+    (guard (c ((nix-protocol-error? c)
+               (string-contains (nix-protocol-error-message c) "failed")))
+      (build-derivations %store (list drv))
+      #f)))
+
+(unless (force %http-server-socket)
+  (test-skip 1))
+(test-assert "'download' built-in builder"
+  (let ((text (random-text)))
+    (with-http-server 200 text
+      (let* ((drv (derivation %store "world"
+                              "builtin:download" '()
+                              #:env-vars `(("url"
+                                            . ,(object->string (%local-url))))
+                              #:hash-algo 'sha256
+                              #:hash (sha256 (string->utf8 text)))))
+        (and (build-derivations %store (list drv))
+             (string=? (call-with-input-file (derivation->output-path drv)
+                         get-string-all)
+                       text))))))
+
+(unless (force %http-server-socket)
+  (test-skip 1))
+(test-assert "'download' built-in builder, invalid hash"
+  (with-http-server 200 "hello, world!"
+    (let* ((drv (derivation %store "world"
+                            "builtin:download" '()
+                            #:env-vars `(("url"
+                                          . ,(object->string (%local-url))))
+                            #:hash-algo 'sha256
+                            #:hash (sha256 (random-bytevector 100))))) ;wrong
+      (guard (c ((nix-protocol-error? c)
+                 (string-contains (nix-protocol-error-message c) "failed")))
+        (build-derivations %store (list drv))
+        #f))))
+
+(unless (force %http-server-socket)
+  (test-skip 1))
+(test-assert "'download' built-in builder, not found"
+  (with-http-server 404 "not found"
+    (let* ((drv (derivation %store "will-never-be-found"
+                            "builtin:download" '()
+                            #:env-vars `(("url"
+                                          . ,(object->string (%local-url))))
+                            #:hash-algo 'sha256
+                            #:hash (sha256 (random-bytevector 100)))))
+      (guard (c ((nix-protocol-error? c)
+                 (string-contains (nix-protocol-error-message (pk c)) "failed")))
+        (build-derivations %store (list drv))
+        #f))))
+
+(test-assert "'download' built-in builder, not fixed-output"
+  (let* ((source (add-text-to-store %store "hello" "hi!"))
+         (url    (string-append "file://" source))
+         (drv    (derivation %store "world"
+                             "builtin:download" '()
+                             #:env-vars `(("url" . ,(object->string url))))))
+    (guard (c ((nix-protocol-error? c)
+               (string-contains (nix-protocol-error-message c) "failed")))
+      (build-derivations %store (list drv))
+      #f)))
+
 (test-equal "derivation-name"
   "foo-0.0"
   (let ((drv (derivation %store "foo-0.0" %bash '())))
diff --git a/tests/gexp.scm b/tests/gexp.scm
index 214e7a5302..354d28f014 100644
--- a/tests/gexp.scm
+++ b/tests/gexp.scm
@@ -375,7 +375,7 @@
                        (drv    (gexp->file "foo" exp))
                        (out -> (derivation->output-path drv))
                        (done   (built-derivations (list drv)))
-                       (refs   ((store-lift references) out)))
+                       (refs   (references* out)))
     (return (and (equal? sexp (call-with-input-file out read))
                  (equal? (list guile) refs)))))
 
@@ -386,7 +386,7 @@
                        (drv    (gexp->file "foo" exp))
                        (out -> (derivation->output-path drv))
                        (done   (built-derivations (list drv)))
-                       (refs   ((store-lift references) out)))
+                       (refs   (references* out)))
     (return (and (equal? (string-append guile "/bin/guile")
                          (call-with-input-file out read))
                  (equal? (list guile) refs)))))
@@ -407,8 +407,8 @@
                        (out ->  (derivation->output-path drv))
                        (out2 -> (derivation->output-path drv "2nd"))
                        (done    (built-derivations (list drv)))
-                       (refs    ((store-lift references) out))
-                       (refs2   ((store-lift references) out2))
+                       (refs    (references* out))
+                       (refs2   (references* out2))
                        (guile   (package-file %bootstrap-guile "bin/guile")))
     (return (and (string=? (readlink (string-append out "/foo")) guile)
                  (string=? (readlink out2) file)
@@ -481,7 +481,7 @@
                                               (ungexp output))))
                        (xdrv      (gexp->derivation "foo" exp
                                                     #:target target))
-                       (refs      ((store-lift references)
+                       (refs      (references*
                                    (derivation-file-name xdrv)))
                        (xcu       (package->cross-derivation coreutils
                                                              target))
@@ -506,7 +506,7 @@
                                               (ungexp output))))
                        (xdrv      (gexp->derivation "foo" exp
                                                     #:target target))
-                       (refs      ((store-lift references)
+                       (refs      (references*
                                    (derivation-file-name xdrv)))
                        (xglibc    (package->cross-derivation glibc target))
                        (cu        (package->derivation coreutils)))
@@ -808,34 +808,33 @@
                          (out -> (derivation->output-path drv)))
       (mbegin %store-monad
         (built-derivations (list drv))
-        (mlet %store-monad ((refs ((store-lift references) out)))
+        (mlet %store-monad ((refs (references* out)))
           (return (and (equal? refs (list text))
                        (equal? `(list "foo" ,text)
                                (call-with-input-file out read)))))))))
 
 (test-assert "text-file*"
-  (let ((references (store-lift references)))
-    (run-with-store %store
-      (mlet* %store-monad
-          ((drv  (package->derivation %bootstrap-guile))
-           (guile -> (derivation->output-path drv))
-           (file (text-file "bar" "This is bar."))
-           (text (text-file* "foo"
-                             %bootstrap-guile "/bin/guile "
-                             (gexp-input %bootstrap-guile "out") "/bin/guile "
-                             drv "/bin/guile "
-                             file))
-           (done (built-derivations (list text)))
-           (out -> (derivation->output-path text))
-           (refs (references out)))
-        ;; Make sure we get the right references and the right content.
-        (return (and (lset= string=? refs (list guile file))
-                     (equal? (call-with-input-file out get-string-all)
-                             (string-append guile "/bin/guile "
-                                            guile "/bin/guile "
-                                            guile "/bin/guile "
-                                            file)))))
-      #:guile-for-build (package-derivation %store %bootstrap-guile))))
+  (run-with-store %store
+    (mlet* %store-monad
+        ((drv  (package->derivation %bootstrap-guile))
+         (guile -> (derivation->output-path drv))
+         (file (text-file "bar" "This is bar."))
+         (text (text-file* "foo"
+                           %bootstrap-guile "/bin/guile "
+                           (gexp-input %bootstrap-guile "out") "/bin/guile "
+                           drv "/bin/guile "
+                           file))
+         (done (built-derivations (list text)))
+         (out -> (derivation->output-path text))
+         (refs (references* out)))
+      ;; Make sure we get the right references and the right content.
+      (return (and (lset= string=? refs (list guile file))
+                   (equal? (call-with-input-file out get-string-all)
+                           (string-append guile "/bin/guile "
+                                          guile "/bin/guile "
+                                          guile "/bin/guile "
+                                          file)))))
+    #:guile-for-build (package-derivation %store %bootstrap-guile)))
 
 (test-assertm "mixed-text-file"
   (mlet* %store-monad ((file ->   (mixed-text-file "mixed"
@@ -847,7 +846,7 @@
                        (guile ->  (derivation->output-path guile-drv)))
     (mbegin %store-monad
       (built-derivations (list drv))
-      (mlet %store-monad ((refs ((store-lift references) out)))
+      (mlet %store-monad ((refs (references* out)))
         (return (and (string=? (string-append "export PATH=" guile "/bin")
                                (call-with-input-file out get-string-all))
                      (equal? refs (list guile))))))))
diff --git a/tests/guix-download.sh b/tests/guix-download.sh
index 6283772c48..ebc853c7fa 100644
--- a/tests/guix-download.sh
+++ b/tests/guix-download.sh
@@ -1,5 +1,5 @@
 # GNU Guix --- Functional package management for GNU
-# Copyright © 2012, 2015 Ludovic Courtès <ludo@gnu.org>
+# Copyright © 2012, 2015, 2016 Ludovic Courtès <ludo@gnu.org>
 #
 # This file is part of GNU Guix.
 #
@@ -35,6 +35,13 @@ then false; else true; fi
 # This one should succeed.
 guix download "file://$abs_top_srcdir/README"
 
+# This one too, even if it cannot talk to the daemon.
+output="t-download-$$"
+trap 'rm -f "$output"' EXIT
+GUIX_DAEMON_SOCKET="/nowhere" guix download -o "$output" \
+		  "file://$abs_top_srcdir/README"
+cmp "$output" "$abs_top_srcdir/README"
+
 # This one should fail.
 if guix download "file:///does-not-exist" "file://$abs_top_srcdir/README"
 then false; else true; fi
diff --git a/tests/lint.scm b/tests/lint.scm
index fa2d19b2a6..0c534562a4 100644
--- a/tests/lint.scm
+++ b/tests/lint.scm
@@ -24,6 +24,7 @@
 
 (define-module (test-lint)
   #:use-module (guix tests)
+  #:use-module (guix tests http)
   #:use-module (guix download)
   #:use-module (guix git-download)
   #:use-module (guix build-system gnu)
@@ -33,101 +34,20 @@
   #:use-module (gnu packages)
   #:use-module (gnu packages glib)
   #:use-module (gnu packages pkg-config)
-  #:use-module (web server)
-  #:use-module (web server http)
-  #:use-module (web response)
   #:use-module (ice-9 match)
-  #:use-module (ice-9 threads)
   #:use-module (srfi srfi-9 gnu)
   #:use-module (srfi srfi-64))
 
 ;; Test the linter.
 
-(define %http-server-port
-  ;; TCP port to use for the stub HTTP server.
-  9999)
-
-(define %local-url
-  ;; URL to use for 'home-page' tests.
-  (string-append "http://localhost:" (number->string %http-server-port)
-                 "/foo/bar"))
+;; Avoid collisions with other tests.
+(%http-server-port 9999)
 
 (define %null-sha256
   ;; SHA256 of the empty string.
   (base32
    "0mdqa9w1p6cmli6976v4wi0sw9r4p5prkj7lzfd1877wk11c9c73"))
 
-(define %http-server-socket
-  ;; Socket used by the Web server.
-  (catch 'system-error
-    (lambda ()
-      (let ((sock (socket PF_INET SOCK_STREAM 0)))
-        (setsockopt sock SOL_SOCKET SO_REUSEADDR 1)
-        (bind sock
-              (make-socket-address AF_INET INADDR_LOOPBACK
-                                   %http-server-port))
-        sock))
-    (lambda args
-      (let ((err (system-error-errno args)))
-        (format (current-error-port)
-                "warning: cannot run Web server for tests: ~a~%"
-                (strerror err))
-        #f))))
-
-(define (http-write server client response body)
-  "Write RESPONSE."
-  (let* ((response (write-response response client))
-         (port     (response-port response)))
-    (cond
-     ((not body))                                 ;pass
-     (else
-      (write-response-body response body)))
-    (close-port port)
-    (quit #t)                                     ;exit the server thread
-    (values)))
-
-;; Mutex and condition variable to synchronize with the HTTP server.
-(define %http-server-lock (make-mutex))
-(define %http-server-ready (make-condition-variable))
-
-(define (http-open . args)
-  "Start listening for HTTP requests and signal %HTTP-SERVER-READY."
-  (with-mutex %http-server-lock
-    (let ((result (apply (@@ (web server http) http-open) args)))
-      (signal-condition-variable %http-server-ready)
-      result)))
-
-(define-server-impl stub-http-server
-  ;; Stripped-down version of Guile's built-in HTTP server.
-  http-open
-  (@@ (web server http) http-read)
-  http-write
-  (@@ (web server http) http-close))
-
-(define (call-with-http-server code data thunk)
-  "Call THUNK with an HTTP server running and returning CODE and DATA (a
-string) on HTTP requests."
-  (define (server-body)
-    (define (handle request body)
-      (values (build-response #:code code
-                              #:reason-phrase "Such is life")
-              data))
-
-    (catch 'quit
-      (lambda ()
-        (run-server handle stub-http-server
-                    `(#:socket ,%http-server-socket)))
-      (const #t)))
-
-  (with-mutex %http-server-lock
-    (let ((server (make-thread server-body)))
-      (wait-condition-variable %http-server-ready %http-server-lock)
-      ;; Normally SERVER exits automatically once it has received a request.
-      (thunk))))
-
-(define-syntax-rule (with-http-server code data body ...)
-  (call-with-http-server code data (lambda () body ...)))
-
 (define %long-string
   (make-string 2000 #\a))
 
@@ -423,28 +343,28 @@ string) on HTTP requests."
         (check-home-page pkg)))
     "domain not found")))
 
-(test-skip (if %http-server-socket 0 1))
+(test-skip (if (force %http-server-socket) 0 1))
 (test-assert "home-page: Connection refused"
   (->bool
    (string-contains
     (with-warnings
       (let ((pkg (package
                    (inherit (dummy-package "x"))
-                   (home-page %local-url))))
+                   (home-page (%local-url)))))
         (check-home-page pkg)))
     "Connection refused")))
 
-(test-skip (if %http-server-socket 0 1))
+(test-skip (if (force %http-server-socket) 0 1))
 (test-equal "home-page: 200"
   ""
   (with-warnings
    (with-http-server 200 %long-string
      (let ((pkg (package
                   (inherit (dummy-package "x"))
-                  (home-page %local-url))))
+                  (home-page (%local-url)))))
        (check-home-page pkg)))))
 
-(test-skip (if %http-server-socket 0 1))
+(test-skip (if (force %http-server-socket) 0 1))
 (test-assert "home-page: 200 but short length"
   (->bool
    (string-contains
@@ -452,11 +372,11 @@ string) on HTTP requests."
       (with-http-server 200 "This is too small."
         (let ((pkg (package
                      (inherit (dummy-package "x"))
-                     (home-page %local-url))))
+                     (home-page (%local-url)))))
           (check-home-page pkg))))
     "suspiciously small")))
 
-(test-skip (if %http-server-socket 0 1))
+(test-skip (if (force %http-server-socket) 0 1))
 (test-assert "home-page: 404"
   (->bool
    (string-contains
@@ -464,7 +384,7 @@ string) on HTTP requests."
       (with-http-server 404 %long-string
         (let ((pkg (package
                      (inherit (dummy-package "x"))
-                     (home-page %local-url))))
+                     (home-page (%local-url)))))
           (check-home-page pkg))))
     "not reachable: 404")))
 
@@ -545,7 +465,7 @@ string) on HTTP requests."
          (check-source-file-name pkg)))
      "file name should contain the package name"))))
 
-(test-skip (if %http-server-socket 0 1))
+(test-skip (if (force %http-server-socket) 0 1))
 (test-equal "source: 200"
   ""
   (with-warnings
@@ -554,11 +474,11 @@ string) on HTTP requests."
                   (inherit (dummy-package "x"))
                   (source (origin
                             (method url-fetch)
-                            (uri %local-url)
+                            (uri (%local-url))
                             (sha256 %null-sha256))))))
        (check-source pkg)))))
 
-(test-skip (if %http-server-socket 0 1))
+(test-skip (if (force %http-server-socket) 0 1))
 (test-assert "source: 200 but short length"
   (->bool
    (string-contains
@@ -568,12 +488,12 @@ string) on HTTP requests."
                      (inherit (dummy-package "x"))
                      (source (origin
                                (method url-fetch)
-                               (uri %local-url)
+                               (uri (%local-url))
                                (sha256 %null-sha256))))))
           (check-source pkg))))
     "suspiciously small")))
 
-(test-skip (if %http-server-socket 0 1))
+(test-skip (if (force %http-server-socket) 0 1))
 (test-assert "source: 404"
   (->bool
    (string-contains
@@ -583,11 +503,30 @@ string) on HTTP requests."
                      (inherit (dummy-package "x"))
                      (source (origin
                                (method url-fetch)
-                               (uri %local-url)
+                               (uri (%local-url))
                                (sha256 %null-sha256))))))
           (check-source pkg))))
     "not reachable: 404")))
 
+(test-assert "mirror-url"
+  (string-null?
+   (with-warnings
+     (let ((source (origin
+                     (method url-fetch)
+                     (uri "http://example.org/foo/bar.tar.gz")
+                     (sha256 %null-sha256))))
+       (check-mirror-url (dummy-package "x" (source source)))))))
+
+(test-assert "mirror-url: one suggestion"
+  (string-contains
+   (with-warnings
+     (let ((source (origin
+                     (method url-fetch)
+                     (uri "http://ftp.gnu.org/pub/gnu/foo/foo.tar.gz")
+                     (sha256 %null-sha256))))
+       (check-mirror-url (dummy-package "x" (source source)))))
+   "mirror://gnu/foo/foo.tar.gz"))
+
 (test-assert "cve"
   (mock ((guix scripts lint) package-vulnerabilities (const '()))
         (string-null?
diff --git a/tests/syscalls.scm b/tests/syscalls.scm
index 9eb19f9c80..e4ef32c522 100644
--- a/tests/syscalls.scm
+++ b/tests/syscalls.scm
@@ -326,6 +326,27 @@
         ;; We get EPERM with Linux 3.18ish and EACCES with 2.6.32.
         (memv (system-error-errno args) (list EPERM EACCES))))))
 
+(test-equal "network-interface-netmask lo"
+  (make-socket-address AF_INET (inet-pton AF_INET "255.0.0.0") 0)
+  (let* ((sock (socket AF_INET SOCK_STREAM 0))
+         (addr (network-interface-netmask sock "lo")))
+    (close-port sock)
+    addr))
+
+(test-skip (if (zero? (getuid)) 1 0))
+(test-assert "set-network-interface-netmask"
+  (let ((sock (socket AF_INET SOCK_STREAM 0)))
+    (catch 'system-error
+      (lambda ()
+        (set-network-interface-netmask sock "nonexistent"
+                                       (make-socket-address
+                                        AF_INET
+                                        (inet-pton AF_INET "255.0.0.0")
+                                        0)))
+      (lambda args
+        (close-port sock)
+        (memv (system-error-errno args) (list EPERM EACCES))))))
+
 (test-equal "network-interfaces returns one or more interfaces"
   '(#t #t #t)
   (match (network-interfaces)
@@ -353,6 +374,30 @@
              (#f #f)
              (lo (interface-address lo)))))))
 
+(test-skip (if (zero? (getuid)) 1 0))
+(test-assert "add-network-route/gateway"
+  (let ((sock    (socket AF_INET SOCK_STREAM 0))
+        (gateway (make-socket-address AF_INET
+                                      (inet-pton AF_INET "192.168.0.1")
+                                      0)))
+    (catch 'system-error
+      (lambda ()
+        (add-network-route/gateway sock gateway))
+      (lambda args
+        (close-port sock)
+        (memv (system-error-errno args) (list EPERM EACCES))))))
+
+(test-skip (if (zero? (getuid)) 1 0))
+(test-assert "delete-network-route"
+  (let ((sock        (socket AF_INET SOCK_STREAM 0))
+        (destination (make-socket-address AF_INET INADDR_ANY 0)))
+    (catch 'system-error
+      (lambda ()
+        (delete-network-route sock destination))
+      (lambda args
+        (close-port sock)
+        (memv (system-error-errno args) (list EPERM EACCES))))))
+
 (test-equal "tcgetattr ENOTTY"
   ENOTTY
   (catch 'system-error