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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2023 Ekaitz Zarraga <ekaitz@elenq.tech>
;;;
;;; 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 zig)
#:use-module (guix search-paths)
#:use-module (guix store)
#:use-module (guix utils)
#:use-module (guix gexp)
#:use-module (guix monads)
#: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 (zig-build-system))
(define (default-zig)
"Return the default zig package."
;; Lazily resolve the binding to avoid a circular dependency.
(let ((zig (resolve-interface '(gnu packages zig))))
(module-ref zig 'zig)))
(define %zig-build-system-modules
;; Build-side modules imported by default.
`((guix build zig-build-system)
,@%gnu-build-system-modules))
(define* (zig-build name inputs
#:key
source
(tests? #t)
(test-target #f)
(zig-build-flags ''())
(zig-test-flags ''())
(zig-release-type #f)
(phases '%standard-phases)
(outputs '("out"))
(search-paths '())
(system (%current-system))
(guile #f)
(imported-modules %zig-build-system-modules)
(modules '((guix build zig-build-system)
(guix build utils))))
"Build SOURCE using Zig, and with INPUTS."
(define builder
(with-imported-modules imported-modules
#~(begin
(use-modules #$@(sexp->gexp modules))
(zig-build #:name #$name
#:source #+source
#:system #$system
#:test-target #$test-target
#:zig-build-flags #$zig-build-flags
#:zig-test-flags #$zig-test-flags
#:zig-release-type #$zig-release-type
#:tests? #$tests?
#:phases #$phases
#:outputs #$(outputs->gexp outputs)
#:search-paths '#$(sexp->gexp
(map search-path-specification->sexp
search-paths))
#:inputs #$(input-tuples->gexp inputs)))))
(mlet %store-monad ((guile (package->derivation (or guile (default-guile))
system #:graft? #f)))
(gexp->derivation name builder
#:system system
#:guile-for-build guile)))
(define* (lower name
#:key source inputs native-inputs outputs system target
(zig (default-zig))
#:allow-other-keys
#:rest arguments)
"Return a bag for NAME."
(define private-keywords
'(#:target #:zig #:inputs #:native-inputs #:outputs))
;; TODO: support cross-compilation
;; It's as simple as adding some build flags to `zig-build-flags`
;; -Dtarget=aarch64-linux-musl, for example.
(and (not target)
(bag
(name name)
(system system)
(target target)
(host-inputs `(,@(if source
`(("source" ,source))
'())
,@inputs
;; Keep the standard inputs of 'gnu-build-system'
;; TODO: do we need this?
,@(standard-packages)))
(build-inputs `(("zig" ,zig)
,@native-inputs))
(outputs outputs)
(build zig-build)
(arguments (strip-keyword-arguments private-keywords arguments)))))
(define zig-build-system
(build-system
(name 'zig)
(description
"Zig build system, to build Zig packages")
(lower lower)))
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