diff options
Diffstat (limited to 'guix/build')
| -rw-r--r-- | guix/build/meson-build-system.scm | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/guix/build/meson-build-system.scm b/guix/build/meson-build-system.scm new file mode 100644 index 0000000000..2b92240c52 --- /dev/null +++ b/guix/build/meson-build-system.scm @@ -0,0 +1,150 @@ +;;; 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) + #:use-module (srfi srfi-1) + #:export (%standard-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) + (setenv "MESON_TESTTHREADS" + (if parallel-tests? + (number->string (parallel-job-count)) + "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 '("lib" "lib64" "libexec" + "bin" "sbin")) + outputs #:allow-other-keys) + "Try to make sure all ELF files in ELF-DIRECTORIES are able to find their +local dependencies in their RUNPATH, by searching for the needed libraries in +the directories of the package, and adding them to the RUNPATH if needed. +Also shrink the RUNPATH to what is needed, +since a lot of directories are left over from the build phase of meson, +for example libraries only needed for the tests." + + ;; Find the directories (if any) that contains DEP-NAME. The directories + ;; searched are the ones that ELF-FILES are in. + (define (find-deps dep-name elf-files) + (map dirname (filter (lambda (file) + (string=? dep-name (basename file))) + elf-files))) + + ;; Return a list of libraries that FILE needs. + (define (file-needed file) + (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) + '()))) + + + ;; If FILE needs any libs that are part of ELF-FILES, the RUNPATH + ;; is modified accordingly. + (define (handle-file file elf-files) + (let* ((dep-dirs (concatenate (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)) + (existing-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 (concatenate (map (lambda (dir) + (find-files dir elf-pred)) + existing-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 |