guix/guix/build-system/meson.scm
Ludovic Courtès bdaf38a6e0
build-system/meson: Define build variables when cross-compiling.
Fixes <https://issues.guix.gnu.org/52574>.
Reported by L  p R n  d n    <guix@lprndn.info>.

* guix/build-system/meson.scm (meson-cross-build)[builder]: Define
'%build-host-inputs', '%build-target-inputs', '%build-inputs', and
'%outputs'.
2021-12-20 16:21:39 +01:00

361 lines
16 KiB
Scheme
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2017 Peter Mikkelsen <petermikkelsen10@gmail.com>
;;; Copyright © 2018, 2019 Marius Bakke <mbakke@fastmail.com>
;;; Copyright © 2021 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2021 Maxime Devos <maximedevos@telenet.be>
;;;
;;; 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 meson)
#:use-module (guix gexp)
#:use-module (guix utils)
#:use-module (guix store)
#:use-module (guix monads)
#:use-module (guix search-paths)
#:use-module (guix build-system)
#:use-module (guix build-system gnu)
#:use-module (guix build-system glib-or-gtk)
#:use-module (guix packages)
#:use-module (ice-9 match)
#:export (%meson-build-system-modules
meson-build-system
make-cross-file))
;; Commentary:
;;
;; Standard build procedure for packages using Meson. This is implemented as an
;; extension of `gnu-build-system', with the option to turn on the glib/gtk
;; phases from `glib-or-gtk-build-system'.
;;
;; Code:
(define (make-machine-alist triplet)
"Make an association list describing what should go into
the host_machine section of the cross file when cross-compiling
for TRIPLET."
`((system . ,(cond ((target-hurd? triplet) "gnu")
((target-linux? triplet) "linux")
((target-mingw? triplet) "windows")
(#t (error "meson: unknown operating system"))))
(cpu_family . ,(cond ((target-x86-32? triplet) "x86")
((target-x86-64? triplet) "x86_64")
((target-arm32? triplet) "arm")
((target-aarch64? triplet) "aarch64")
((target-powerpc? triplet)
(if (target-64bit? triplet)
"ppc64"
"ppc"))
(#t (error "meson: unknown architecture"))))
(cpu . ,(cond ((target-x86-32? triplet) ; i386, ..., i686
(substring triplet 0 4))
((target-x86-64? triplet) "x86_64")
((target-aarch64? triplet) "armv8-a")
((target-arm32? triplet) "armv7")
;; According to #mesonbuild on OFTC, there does not appear
;; to be an official-ish list of CPU types recognised by
;; Meson, the "cpu" field is not used by Meson itself and
;; most software doesn't look at this field, except perhaps
;; for selecting optimisations, so set it to something
;; arbitrary.
(#t "strawberries")))
(endian . ,(cond ((string-prefix? "powerpc64le-" triplet) "little")
((string-prefix? "mips64el-" triplet) "little")
((target-x86-32? triplet) "little")
((target-x86-64? triplet) "little")
;; At least in Guix. Aarch64 and 32-bit arm
;; have a big-endian mode as well.
((target-arm? triplet) "little")
(#t (error "meson: unknown architecture"))))))
(define (make-binaries-alist triplet)
"Make an associatoin list describing what should go into
the binaries section of the cross file when cross-compiling for
TRIPLET."
`((c . ,(cc-for-target triplet))
(cpp . ,(cxx-for-target triplet))
(pkgconfig . ,(pkg-config-for-target triplet))
(objcopy . ,(string-append triplet "-objcopy"))
(ar . ,(string-append triplet "-ar"))
(ld . ,(string-append triplet "-ld"))
(strip . ,(string-append triplet "-strip"))))
(define (make-cross-file triplet)
(computed-file "cross-file"
(with-imported-modules '((guix build meson-configuration))
#~(begin
(use-modules (guix build meson-configuration))
(call-with-output-file #$output
(lambda (port)
(write-section-header port "host_machine")
(write-assignments port '#$(make-machine-alist triplet))
(write-section-header port "binaries")
(write-assignments port '#$(make-binaries-alist triplet))))))))
(define %meson-build-system-modules
;; Build-side modules imported by default.
`((guix build meson-build-system)
;; The modules from glib-or-gtk contains the modules from gnu-build-system,
;; so there is no need to import that too.
,@%glib-or-gtk-build-system-modules))
(define (default-ninja)
"Return the default ninja package."
;; Lazily resolve the binding to avoid a circular dependency.
(let ((module (resolve-interface '(gnu packages ninja))))
(module-ref module 'ninja)))
(define (default-meson)
"Return the default meson package."
;; Lazily resolve the binding to avoid a circular dependency.
(let ((module (resolve-interface '(gnu packages build-tools))))
(module-ref module 'meson)))
(define* (lower name
#:key source inputs native-inputs outputs system target
(meson (default-meson))
(ninja (default-ninja))
(glib-or-gtk? #f)
#:allow-other-keys
#:rest arguments)
"Return a bag for NAME."
(define private-keywords
`(#:meson #:ninja #:inputs #:native-inputs #:outputs
,@(if target
'()
'(#:target))))
(bag
(name name)
(system system) (target target)
(build-inputs `(("meson" ,meson)
("ninja" ,ninja)
,@native-inputs
,@(if target '() inputs)
;; Keep the standard inputs of 'gnu-build-system'.
,@(if target
(standard-cross-packages target 'host)
'())
,@(standard-packages)))
(host-inputs `(,@(if source
`(("source" ,source))
'())
,@(if target inputs '())))
;; Keep the standard inputs of 'gnu-buid-system'.
(target-inputs (if target
(standard-cross-packages target 'target)
'()))
(outputs outputs)
(build (if target meson-cross-build meson-build))
(arguments (strip-keyword-arguments private-keywords arguments))))
(define* (meson-build name inputs
#:key
guile source
(outputs '("out"))
(configure-flags ''())
(search-paths '())
(build-type "debugoptimized")
(tests? #t)
(test-options ''())
(glib-or-gtk? #f)
(parallel-build? #t)
(parallel-tests? #f)
(validate-runpath? #t)
(patch-shebangs? #t)
(strip-binaries? #t)
(strip-flags ''("--strip-debug"))
(strip-directories ''("lib" "lib64" "libexec"
"bin" "sbin"))
(elf-directories ''("lib" "lib64" "libexec"
"bin" "sbin"))
(phases '%standard-phases)
(system (%current-system))
(imported-modules %meson-build-system-modules)
(modules '((guix build meson-build-system)
(guix build utils)))
allowed-references
disallowed-references)
"Build SOURCE using MESON, and with INPUTS, assuming that SOURCE
has a 'meson.build' file."
(define builder
(with-imported-modules imported-modules
#~(begin
(use-modules #$@(sexp->gexp modules))
(define build-phases
#$(let ((phases (if (pair? phases) (sexp->gexp phases) phases)))
(if glib-or-gtk?
phases
#~(modify-phases #$phases
(delete 'glib-or-gtk-compile-schemas)
(delete 'glib-or-gtk-wrap)))))
#$(with-build-variables inputs outputs
#~(meson-build #:source #+source
#:system #$system
#:outputs %outputs
#:inputs %build-inputs
#:search-paths '#$(sexp->gexp
(map search-path-specification->sexp
search-paths))
#:phases build-phases
#:configure-flags
#$(if (pair? configure-flags)
(sexp->gexp configure-flags)
configure-flags)
#:build-type #$build-type
#:tests? #$tests?
#:test-options #$(sexp->gexp test-options)
#:parallel-build? #$parallel-build?
#:parallel-tests? #$parallel-tests?
#:validate-runpath? #$validate-runpath?
#:patch-shebangs? #$patch-shebangs?
#:strip-binaries? #$strip-binaries?
#:strip-flags #$(sexp->gexp strip-flags)
#:strip-directories #$(sexp->gexp strip-directories)
#:elf-directories #$(sexp->gexp elf-directories))))))
(mlet %store-monad ((guile (package->derivation (or guile (default-guile))
system #:graft? #f)))
(gexp->derivation name builder
#:system system
#:target #f
#:graft? #f
#:substitutable? substitutable?
#:allowed-references allowed-references
#:disallowed-references disallowed-references
#:guile-for-build guile)))
(define* (meson-cross-build name
#:key
target
build-inputs host-inputs target-inputs
guile source
(outputs '("out"))
(configure-flags ''())
(search-paths '())
(native-search-paths '())
(build-type "debugoptimized")
(tests? #f)
(test-options ''())
(glib-or-gtk? #f)
(parallel-build? #t)
(parallel-tests? #f)
(validate-runpath? #t)
(patch-shebangs? #t)
(strip-binaries? #t)
(strip-flags ''("--strip-debug"))
(strip-directories ''("lib" "lib64" "libexec"
"bin" "sbin"))
(elf-directories ''("lib" "lib64" "libexec"
"bin" "sbin"))
;; See 'gnu-cross-build' for why this needs to be
;; disabled when cross-compiling.
(make-dynamic-linker-cache? #f)
(phases '%standard-phases)
(system (%current-system))
(imported-modules %meson-build-system-modules)
(modules '((guix build meson-build-system)
(guix build utils)))
allowed-references
disallowed-references)
"Cross-build SOURCE for TARGET using MESON, and with INPUTS, assuming that
SOURCE has a 'meson.build' file."
(define cross-file
(make-cross-file target))
(define inputs
(if (null? target-inputs)
(input-tuples->gexp host-inputs)
#~(append #$(input-tuples->gexp host-inputs)
#+(input-tuples->gexp target-inputs))))
(define builder
(with-imported-modules imported-modules
#~(begin
(use-modules #$@(sexp->gexp modules))
(define %build-host-inputs
#+(input-tuples->gexp build-inputs))
(define %build-target-inputs
(append #$(input-tuples->gexp host-inputs)
#+(input-tuples->gexp target-inputs)))
(define %build-inputs
(append %build-host-inputs %build-target-inputs))
(define %outputs
#$(outputs->gexp outputs))
(define build-phases
#$(let ((phases (if (pair? phases) (sexp->gexp phases) phases)))
(if glib-or-gtk?
phases
#~(modify-phases #$phases
(delete 'glib-or-gtk-compile-schemas)
(delete 'glib-or-gtk-wrap)))))
;; Do not use 'with-build-variables', as there should be
;; no reason to use %build-inputs and friends.
(meson-build #:source #+source
#:system #$system
#:build #$(nix-system->gnu-triplet system)
#:target #$target
#:outputs #$(outputs->gexp outputs)
#:inputs #$inputs
#:native-inputs #+(input-tuples->gexp build-inputs)
#:search-paths '#$(sexp->gexp
(map search-path-specification->sexp
search-paths))
#:native-search-paths '#$(sexp->gexp
(map search-path-specification->sexp
native-search-paths))
#:phases build-phases
#:make-dynamic-linker-cache? #$make-dynamic-linker-cache?
#:configure-flags `("--cross-file" #+cross-file
,@#$(if (pair? configure-flags)
(sexp->gexp configure-flags)
configure-flags))
#:build-type #$build-type
#:tests? #$tests?
#:test-options #$(sexp->gexp test-options)
#:parallel-build? #$parallel-build?
#:parallel-tests? #$parallel-tests?
#:validate-runpath? #$validate-runpath?
#:patch-shebangs? #$patch-shebangs?
#:strip-binaries? #$strip-binaries?
#:strip-flags #$(sexp->gexp strip-flags)
#:strip-directories #$(sexp->gexp strip-directories)
#:elf-directories #$(sexp->gexp elf-directories)))))
(mlet %store-monad ((guile (package->derivation (or guile (default-guile))
system #:graft? #f)))
(gexp->derivation name builder
#:system system
#:target target
#:graft? #f
#:substitutable? substitutable?
#:allowed-references allowed-references
#:disallowed-references disallowed-references
#:guile-for-build guile)))
(define meson-build-system
(build-system
(name 'meson)
(description "The standard Meson build system")
(lower lower)))
;;; meson.scm ends here