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-rw-r--r--Makefile.am2
-rw-r--r--guix/build-system/cargo.scm150
-rw-r--r--guix/build/cargo-build-system.scm104
3 files changed, 256 insertions, 0 deletions
diff --git a/Makefile.am b/Makefile.am
index b69468b327..5cb4261f4b 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -61,6 +61,7 @@ MODULES = \
guix/zlib.scm \
guix/build-system.scm \
guix/build-system/ant.scm \
+ guix/build-system/cargo.scm \
guix/build-system/cmake.scm \
guix/build-system/emacs.scm \
guix/build-system/asdf.scm \
@@ -83,6 +84,7 @@ MODULES = \
guix/ui.scm \
guix/build/ant-build-system.scm \
guix/build/download.scm \
+ guix/build/cargo-build-system.scm \
guix/build/cmake-build-system.scm \
guix/build/emacs-build-system.scm \
guix/build/asdf-build-system.scm \
diff --git a/guix/build-system/cargo.scm b/guix/build-system/cargo.scm
new file mode 100644
index 0000000000..8d835dda1d
--- /dev/null
+++ b/guix/build-system/cargo.scm
@@ -0,0 +1,150 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2013, 2014, 2015, 2016 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2013 Andreas Enge <andreas@enge.fr>
+;;; Copyright © 2013 Nikita Karetnikov <nikita@karetnikov.org>
+;;; Copyright © 2016 David Craven <david@craven.ch>
+;;;
+;;; 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 build-system cargo)
+ #:use-module (guix search-paths)
+ #:use-module (guix store)
+ #:use-module (guix utils)
+ #:use-module (guix derivations)
+ #:use-module (guix packages)
+ #:use-module (guix build-system)
+ #:use-module (guix build-system gnu)
+ #:use-module (ice-9 match)
+ #:use-module (srfi srfi-26)
+ #:export (cargo-build-system
+ crate-url
+ crate-url?
+ crate-uri))
+
+(define crate-url "https://crates.io/api/v1/crates/")
+(define crate-url? (cut string-prefix? crate-url <>))
+
+(define (crate-uri name version)
+ "Return a URI string for the crate package hosted at crates.io corresponding
+to NAME and VERSION."
+ (string-append crate-url name "/" version "/download"))
+
+(define (default-cargo)
+ "Return the default Cargo package."
+ ;; Lazily resolve the binding to avoid a circular dependency.
+ (let ((rust (resolve-interface '(gnu packages rust))))
+ ;; FIXME: Package cargo and replace cargo-bootstrap with cargo.
+ (module-ref rust 'cargo-bootstrap)))
+
+(define (default-rustc)
+ "Return the default Rustc package."
+ ;; Lazily resolve the binding to avoid a circular dependency.
+ (let ((rust (resolve-interface '(gnu packages rust))))
+ (module-ref rust 'rustc)))
+
+(define %cargo-build-system-modules
+ ;; Build-side modules imported by default.
+ `((guix build cargo-build-system)
+ ,@%gnu-build-system-modules))
+
+(define* (cargo-build store name inputs
+ #:key
+ (tests? #t)
+ (test-target #f)
+ (configure-flags #f)
+ (phases '(@ (guix build cargo-build-system)
+ %standard-phases))
+ (outputs '("out"))
+ (search-paths '())
+ (system (%current-system))
+ (guile #f)
+ (imported-modules %cargo-build-system-modules)
+ (modules '((guix build cargo-build-system)
+ (guix build utils))))
+ "Build SOURCE using CARGO, and with INPUTS."
+
+ (define builder
+ `(begin
+ (use-modules ,@modules)
+ (cargo-build #:name ,name
+ #:source ,(match (assoc-ref inputs "source")
+ (((? derivation? source))
+ (derivation->output-path source))
+ ((source)
+ source)
+ (source
+ source))
+ #:system ,system
+ #:test-target ,test-target
+ #:tests? ,tests?
+ #:phases ,phases
+ #:outputs %outputs
+ #:search-paths ',(map search-path-specification->sexp
+ search-paths)
+ #:inputs %build-inputs)))
+
+ (define guile-for-build
+ (match guile
+ ((? package?)
+ (package-derivation store guile system #:graft? #f))
+ (#f ; the default
+ (let* ((distro (resolve-interface '(gnu packages commencement)))
+ (guile (module-ref distro 'guile-final)))
+ (package-derivation store guile system #:graft? #f)))))
+
+ (build-expression->derivation store name builder
+ #:inputs inputs
+ #:system system
+ #:modules imported-modules
+ #:outputs outputs
+ #:guile-for-build guile-for-build))
+
+(define* (lower name
+ #:key source inputs native-inputs outputs system target
+ (cargo (default-cargo))
+ (rustc (default-rustc))
+ #:allow-other-keys
+ #:rest arguments)
+ "Return a bag for NAME."
+
+ (define private-keywords
+ '(#:source #:target #:cargo #:rustc #:inputs #:native-inputs))
+
+ (and (not target) ;; TODO: support cross-compilation
+ (bag
+ (name name)
+ (system system)
+ (target target)
+ (host-inputs `(,@(if source
+ `(("source" ,source))
+ '())
+ ,@inputs
+
+ ;; Keep the standard inputs of 'gnu-build-system'
+ ,@(standard-packages)))
+ (build-inputs `(("cargo" ,cargo)
+ ("rustc" ,rustc)
+ ,@native-inputs))
+ (outputs outputs)
+ (build cargo-build)
+ (arguments (strip-keyword-arguments private-keywords arguments)))))
+
+(define cargo-build-system
+ (build-system
+ (name 'cargo)
+ (description
+ "Cargo build system, to build Rust crates")
+ (lower lower)))
diff --git a/guix/build/cargo-build-system.scm b/guix/build/cargo-build-system.scm
new file mode 100644
index 0000000000..460d829b3c
--- /dev/null
+++ b/guix/build/cargo-build-system.scm
@@ -0,0 +1,104 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2016 David Craven <david@craven.ch>
+;;;
+;;; 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 build cargo-build-system)
+ #:use-module ((guix build gnu-build-system) #:prefix gnu:)
+ #:use-module (guix build utils)
+ #:use-module (ice-9 ftw)
+ #:use-module (ice-9 format)
+ #:use-module (ice-9 match)
+ #:use-module (srfi srfi-1)
+ #:use-module (srfi srfi-26)
+ #:export (%standard-phases
+ cargo-build))
+
+;; Commentary:
+;;
+;; Builder-side code of the standard Rust package build procedure.
+;;
+;; Code:
+
+;; FIXME: Needs to be parsed from url not package name.
+(define (package-name->crate-name name)
+ "Return the crate name of NAME."
+ (match (string-split name #\-)
+ (("rust" rest ...)
+ (string-join rest "-"))
+ (_ #f)))
+
+(define* (configure #:key inputs #:allow-other-keys)
+ "Replace Cargo.toml [dependencies] section with guix inputs."
+ (let ((port (open-file "Cargo.toml" "a" #:encoding "utf-8")))
+ (format port "~%[replace]~%")
+ (for-each
+ (match-lambda
+ ((name . path)
+ (let ((crate (package-name->crate-name name)))
+ (when (and crate path)
+ (match (string-split (basename path) #\-)
+ ((_ ... version)
+ (format port "\"~a:~a\" = { path = \"~a/rustsrc\" }~%"
+ crate version path)))))))
+ inputs)
+ (close-port port))
+ #t)
+
+(define* (build #:key (cargo-build-flags '("--release" "--frozen"))
+ #:allow-other-keys)
+ "Build a given Cargo package."
+ (zero? (apply system* `("cargo" "build" ,@cargo-build-flags))))
+
+(define* (check #:key tests? #:allow-other-keys)
+ "Run tests for a given Cargo package."
+ (when tests?
+ (zero? (system* "cargo" "test"))))
+
+(define* (install #:key inputs outputs #:allow-other-keys)
+ "Install a given Cargo package."
+ (let* ((out (assoc-ref outputs "out"))
+ (src (assoc-ref inputs "source"))
+ (bin (string-append out "/bin"))
+ (rsrc (string-append out "/rustsrc")))
+ (mkdir-p rsrc)
+ ;; Rust doesn't have a stable ABI yet. Because of this
+ ;; Cargo doesn't have a search path for binaries yet.
+ ;; Until this changes we are working around this by
+ ;; distributing crates as source and replacing
+ ;; references in Cargo.toml with store paths.
+ (copy-recursively "src" (string-append rsrc "/src"))
+ (install-file "Cargo.toml" rsrc)
+ ;; When the package includes executables we install
+ ;; it using cargo install. This fails when the crate
+ ;; doesn't contain an executable.
+ (system* "cargo" "install" "--root" bin)
+ #t))
+
+(define %standard-phases
+ ;; 'configure' phase is not needed.
+ (modify-phases gnu:%standard-phases
+ (replace 'configure configure)
+ (replace 'build build)
+ (replace 'check check)
+ (replace 'install install)))
+
+(define* (cargo-build #:key inputs (phases %standard-phases)
+ #:allow-other-keys #:rest args)
+ "Build the given Cargo package, applying all of PHASES in order."
+ (apply gnu:gnu-build #:inputs inputs #:phases phases args))
+
+;;; cargo-build-system.scm ends here