guix-play/guix/build/zig-build-system.scm
Ekaitz Zarraga 4cafd86f77
build-system/zig: Add cross-compilation support.
* guix/build/zig-build-system.scm (zig-cross-build): New function
(lower): Add cross-compilation support
* guix/build-system/zig.scm (build): Add --target flag with target input
(check): Disable with cross compilation

Change-Id: I5f42ff897bfe00c92c6576900221a15ef210d669
Signed-off-by: Ludovic Courtès <ludo@gnu.org>
2024-01-07 16:56:00 +01:00

106 lines
3.8 KiB
Scheme

;;; 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 zig-build-system)
#:use-module ((guix build gnu-build-system) #:prefix gnu:)
#:use-module (guix build utils)
#:use-module (ice-9 popen)
#:use-module (ice-9 rdelim)
#:use-module (ice-9 ftw)
#:use-module (ice-9 format)
#:use-module (ice-9 match)
#:use-module (rnrs io ports)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-26)
#:export (%standard-phases
zig-build))
;; Interesting guide here:
;; https://github.com/riverwm/river/blob/master/PACKAGING.md
(define global-cache-dir "zig-cache")
(define* (set-cc #:rest args)
;; TODO: Zig needs the gcc-toolchain in order to find the libc.
;; we need to think about how to solve this in the build system
;; directly: --libc
(setenv "CC" "gcc"))
(define* (set-zig-global-cache-dir #:rest args)
(setenv "ZIG_GLOBAL_CACHE_DIR" global-cache-dir))
(define* (build #:key
zig-build-flags
zig-release-type ;; "safe", "fast" or "small" empty for a
;; debug build"
target
#:allow-other-keys)
"Build a given Zig package."
(setenv "DESTDIR" "out")
(let ((call `("zig" "build"
"--prefix" "" ;; Don't add /usr
"--prefix-lib-dir" "lib"
"--prefix-exe-dir" "bin"
"--prefix-include-dir" "include"
,@(if target
(list (string-append "-Dtarget=" target))
'())
,@(if zig-release-type
(list (string-append "-Drelease-" zig-release-type))
'())
,@zig-build-flags)))
(format #t "running: ~s~%" call)
(apply invoke call)))
(define* (check #:key tests?
zig-test-flags
target
#:allow-other-keys)
"Run all the tests"
(when (and tests? (not target))
(let ((old-destdir (getenv "DESTDIR")))
(setenv "DESTDIR" "test-out") ;; Avoid colisions with the build output
(let ((call `("zig" "build" "test"
,@zig-test-flags)))
(format #t "running: ~s~%" call)
(apply invoke call))
(if old-destdir
(setenv "DESTDIR" old-destdir)
(unsetenv "DESTDIR")))))
(define* (install #:key inputs outputs #:allow-other-keys)
"Install a given Zig package."
(let ((out (assoc-ref outputs "out")))
(copy-recursively "out" out)))
(define %standard-phases
(modify-phases gnu:%standard-phases
(delete 'bootstrap)
(delete 'configure)
(add-before 'build 'set-zig-global-cache-dir set-zig-global-cache-dir)
(add-before 'build 'set-cc set-cc)
(replace 'build build)
(replace 'check check)
(replace 'install install)))
(define* (zig-build #:key inputs (phases %standard-phases)
#:allow-other-keys #:rest args)
"Build the given Zig package, applying all of PHASES in order."
(apply gnu:gnu-build #:inputs inputs #:phases phases args))