summaryrefslogtreecommitdiff
path: root/guix/build
diff options
context:
space:
mode:
Diffstat (limited to 'guix/build')
-rw-r--r--guix/build/meson-build-system.scm150
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