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authorLudovic Courtès <ludo@gnu.org>2014-01-23 23:48:34 +0100
committerLudovic Courtès <ludo@gnu.org>2014-01-24 00:01:50 +0100
commit49e6291a7a257f89f01644423f1b685778b8862a (patch)
treed461cae8cfc21fc9fa421c3fb62d372bf44c2ca7 /m4/guix.m4
parent50add47748eb40371d8b88208a13e7230d15c220 (diff)
downloadguix-49e6291a7a257f89f01644423f1b685778b8862a.tar
guix-49e6291a7a257f89f01644423f1b685778b8862a.tar.gz
Add 'guix offload' as a daemon build hook.
* nix/nix-daemon/guix-daemon.cc (GUIX_OPT_NO_BUILD_HOOK): New macro. (options): Add '--no-build-hook'. (parse_opt): Handle it. (main)[HAVE_DAEMON_OFFLOAD_HOOK]: Set 'useBuildHook' by default. Set $NIX_BUILD_HOOK to our offload hook unless otherwise specified. [!HAVE_DAEMON_OFFLOAD_HOOK]: Clear 'useBuildHook'. * pre-inst-env.in: Set and export NIX_BUILD_HOOK. * nix/scripts/offload.in, guix/scripts/offload.scm: New files. * guix/ui.scm (show-guix-help)[internal?]: Add "offload". * config-daemon.ac: Call 'GUIX_CHECK_UNBUFFERED_CBIP'. Instantiate 'nix/scripts/offload'. Set 'BUILD_DAEMON_OFFLOAD' conditional, and optionally define 'HAVE_DEAMON_OFFLOAD_HOOK' cpp macro. * daemon.am (nodist_pkglibexec_SCRIPTS)[BUILD_DAEMON_OFFLOAD]: Add it. * Makefile.am (MODULES)[BUILD_DAEMON_OFFLOAD]: Add 'guix/scripts/offload.scm'. (EXTRA_DIST)[!BUILD_DAEMON_OFFLOAD]: Likewise. * m4/guix.m4 (GUIX_CHECK_UNBUFFERED_CBIP): New macro. * doc/guix.texi (Setting Up the Daemon): Move most of the body to... (Build Environment Setup): ... this. New subsection. (Daemon Offload Setup): New subsection.
Diffstat (limited to 'm4/guix.m4')
-rw-r--r--m4/guix.m419
1 files changed, 18 insertions, 1 deletions
diff --git a/m4/guix.m4 b/m4/guix.m4
index a98378db79..19e041a72c 100644
--- a/m4/guix.m4
+++ b/m4/guix.m4
@@ -1,5 +1,5 @@
dnl GNU Guix --- Functional package management for GNU
-dnl Copyright © 2012, 2013 Ludovic Courtès <ludo@gnu.org>
+dnl Copyright © 2012, 2013, 2014 Ludovic Courtès <ludo@gnu.org>
dnl
dnl This file is part of GNU Guix.
dnl
@@ -134,3 +134,20 @@ AC_DEFUN([GUIX_CHECK_SRFI_37], [
ac_cv_guix_srfi_37_broken=yes
fi])
])
+
+dnl GUIX_CHECK_UNBUFFERED_CBIP
+dnl
+dnl Check whether 'setbvuf' works on custom binary input ports (CBIPs), as is
+dnl the case starting with Guile 2.0.10.
+AC_DEFUN([GUIX_CHECK_UNBUFFERED_CBIP], [
+ AC_CACHE_CHECK([whether Guile's custom binary input ports support 'setvbuf'],
+ [ac_cv_guix_cbips_support_setvbuf],
+ [if "$GUILE" -c "(use-modules (rnrs io ports)) \
+ (let ((p (make-custom-binary-input-port \"cbip\" pk #f #f #f))) \
+ (setvbuf p _IONBF))" >&5 2>&1
+ then
+ ac_cv_guix_cbips_support_setvbuf=yes
+ else
+ ac_cv_guix_cbips_support_setvbuf=no
+ fi])
+])