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;;; 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-modules
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-rust)
"Return the default Rust package."
;; Lazily resolve the binding to avoid a circular dependency.
(let ((rust (resolve-interface '(gnu packages rust))))
(module-ref rust 'rust)))
(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)
(cargo-build-flags ''("--release"))
(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
#:cargo-build-flags ,cargo-build-flags
#: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 (cons "src" outputs)
#:guile-for-build guile-for-build))
(define* (lower name
#:key source inputs native-inputs outputs system target
(rust (default-rust))
#:allow-other-keys
#:rest arguments)
"Return a bag for NAME."
(define private-keywords
'(#:source #:target #:rust #:inputs #:native-inputs #:outputs))
(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" ,rust "cargo")
("rustc" ,rust)
,@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)))
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