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| | ;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2017 Peter Mikkelsen <petermikkelsen10@gmail.com>
;;;
;;; 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 meson-build-system)
#:use-module ((guix build gnu-build-system) #:prefix gnu:)
#:use-module ((guix build glib-or-gtk-build-system) #:prefix glib-or-gtk:)
#:use-module (guix build utils)
#:use-module (guix build rpath)
#:use-module (guix build gremlin)
#:use-module (guix elf)
#:use-module (ice-9 match)
#:use-module (rnrs io ports)
#:export (%standard-phases
%glib-or-gtk-phases
meson-build))
;; Commentary:
;;
;; Builder-side code of the standard meson build procedure.
;;
;; Code:
(define* (configure #:key outputs configure-flags build-type
#:allow-other-keys)
"Configure the given package"
(let* ((out (assoc-ref outputs "out"))
(source-dir (getcwd))
(build-dir "../build")
(prefix (assoc-ref outputs "out"))
(args `(,(string-append "--prefix=" prefix)
,(string-append "--buildtype=" build-type)
,@configure-flags
,source-dir)))
(mkdir build-dir)
(chdir build-dir)
(zero? (apply system* "meson" args))))
(define* (build #:key parallel-build?
#:allow-other-keys)
"Build a given meson package."
(zero? (apply system* "ninja"
(if parallel-build?
`("-j" ,(number->string (parallel-job-count)))
'("-j" "1")))))
(define* (check #:key test-target parallel-tests? tests?
#:allow-other-keys)
(unless parallel-tests?
(setenv "MESON_TESTTHREADS" "1"))
(if tests?
(zero? (system* "ninja" test-target))
(begin
(format #t "test suite not run~%")
#t)))
(define* (install #:rest args)
(zero? (system* "ninja" "install")))
(define* (fix-runpath #:key elf-directories outputs
#:allow-other-keys)
"Try to make sure all ELF files in ELF-DIRECTORIES are able to find their
local dependencies in their RUNPATH. Also shrink the RUNPATH to what is needed,
since alot of directories are left over from meson."
(define (find-deps dep-name elf-files)
"Find the directories (if any) that contains DEP-NAME. The directories
searched are the ones that ELF-FILES are in."
(let* ((matches (filter (lambda (file)
(string=? dep-name (basename file)))
elf-files)))
(map dirname matches)))
(define (file-needed file)
"Return a list of libraries that FILE needs."
(let* ((elf (call-with-input-file file
(compose parse-elf get-bytevector-all)))
(dyninfo (elf-dynamic-info elf)))
(if dyninfo
(elf-dynamic-info-needed dyninfo)
'())))
(define (handle-file file elf-files)
"If FILE needs any libs that are part of ELF-FILES, the RUNPATH
is modified accordingly."
(let* ((dep-dirs (apply append (map (lambda (dep-name)
(find-deps dep-name elf-files))
(file-needed file)))))
(unless (null? dep-dirs)
(augment-rpath file (string-join dep-dirs ":")))))
(define handle-output
(match-lambda
((output . directory)
(let* ((elf-dirnames (map (lambda (subdir)
(string-append directory "/" subdir))
elf-directories))
(excisting-elf-dirs (filter (lambda (dir)
(and (file-exists? dir)
(file-is-directory? dir)))
elf-dirnames))
(elf-pred (lambda (name stat)
(elf-file? name)))
(elf-list (apply append (map (lambda (dir)
(find-files dir elf-pred))
excisting-elf-dirs))))
(for-each (lambda (elf-file)
(system* "patchelf" "--shrink-rpath" elf-file)
(handle-file elf-file elf-list))
elf-list)))))
(for-each handle-output outputs)
#t)
(define %standard-phases
;; The standard-phases of glib-or-gtk contains a superset of the phases
;; from the gnu-build-system. If the glib-or-gtk? key is #f (the default)
;; then the extra phases will be removed again in (guix build-system meson).
(modify-phases glib-or-gtk:%standard-phases
(replace 'configure configure)
(replace 'build build)
(replace 'check check)
(replace 'install install)
(add-after 'strip 'fix-runpath fix-runpath)))
(define* (meson-build #:key inputs phases
#:allow-other-keys #:rest args)
"Build the given package, applying all of PHASES in order."
(apply gnu:gnu-build #:inputs inputs #:phases phases args))
;;; meson-build-system.scm ends here
|