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Diffstat (limited to 'guix/build/qt-build-system.scm')
| -rw-r--r-- | guix/build/qt-build-system.scm | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/guix/build/qt-build-system.scm b/guix/build/qt-build-system.scm new file mode 100644 index 0000000000..46fcad7848 --- /dev/null +++ b/guix/build/qt-build-system.scm @@ -0,0 +1,109 @@ +;;; GNU Guix --- Functional package management for GNU +;;; Copyright © 2014 Federico Beffa <beffa@fbengineering.ch> +;;; Copyright © 2014, 2015 Ludovic Courtès <ludo@gnu.org> +;;; Copyright © 2018 Mark H Weaver <mhw@netris.org> +;;; Copyright © 2019 Hartmut Goebel <h.goebel@crazy-compilers.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 qt-build-system) + #:use-module ((guix build cmake-build-system) #:prefix cmake:) + #:use-module (guix build utils) + #:use-module (ice-9 match) + #:use-module (ice-9 regex) + #:use-module (ice-9 ftw) + #:use-module (srfi srfi-1) + #:use-module (srfi srfi-26) + #:export (%standard-phases + qt-build)) + +;; Commentary: +;; +;; Builder-side code of the standard Qt build procedure. +;; +;; Code: + +(define (variables-for-wrapping base-directories) + + (define (collect-sub-dirs base-directories subdirectory) + (filter-map + (lambda (dir) + (let ((directory (string-append dir subdirectory))) + (if (directory-exists? directory) directory #f))) + base-directories)) + + (filter + (lambda (var-to-wrap) (not (null? (last var-to-wrap)))) + (map + (lambda (var-spec) + `(,(first var-spec) = ,(collect-sub-dirs base-directories (last var-spec)))) + (list + ;; these shall match the search-path-specification for Qt and KDE + ;; libraries + '("XDG_DATA_DIRS" "/share") + '("XDG_CONFIG_DIRS" "/etc/xdg") + '("QT_PLUGIN_PATH" "/lib/qt5/plugins") + '("QML2_IMPORT_PATH" "/lib/qt5/qml"))))) + +(define* (wrap-all-programs #:key inputs outputs + (qt-wrap-excluded-outputs '()) + #:allow-other-keys) + "Implement phase \"qt-wrap\": look for GSettings schemas and +gtk+-v.0 libraries and create wrappers with suitably set environment variables +if found. + +Wrapping is not applied to outputs whose name is listed in +QT-WRAP-EXCLUDED-OUTPUTS. This is useful when an output is known not +to contain any Qt binaries, and where wrapping would gratuitously +add a dependency of that output on Qt." + (define (find-files-to-wrap directory) + (append-map + (lambda (dir) + (if (directory-exists? dir) (find-files dir ".*") (list))) + (list (string-append directory "/bin") + (string-append directory "/sbin") + (string-append directory "/libexec") + (string-append directory "/lib/libexec")))) + + (define input-directories + ;; FIXME: Filter out unwanted inputs, e.g. cmake + (match inputs + (((_ . dir) ...) + dir))) + + (define handle-output + (match-lambda + ((output . directory) + (unless (member output qt-wrap-excluded-outputs) + (let ((bin-list (find-files-to-wrap directory)) + (vars-to-wrap (variables-for-wrapping + (append (list output) + input-directories)))) + (when (not (null? vars-to-wrap)) + (for-each (cut apply wrap-program <> vars-to-wrap) + bin-list))))))) + + (for-each handle-output outputs) + #t) + +(define %standard-phases + (modify-phases cmake:%standard-phases + (add-after 'install 'qt-wrap wrap-all-programs))) + +(define* (qt-build #:key inputs (phases %standard-phases) + #:allow-other-keys #:rest args) + "Build the given package, applying all of PHASES in order." + (apply cmake:cmake-build #:inputs inputs #:phases phases args)) |