122 lines
4.5 KiB
Scheme
122 lines
4.5 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2014 Federico Beffa <beffa@fbengineering.ch>
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;;; Copyright © 2014, 2015 Ludovic Courtès <ludo@gnu.org>
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;;; Copyright © 2018 Mark H Weaver <mhw@netris.org>
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;;; Copyright © 2019, 2020 Hartmut Goebel <h.goebel@crazy-compilers.com>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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(define-module (guix build qt-build-system)
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#:use-module ((guix build cmake-build-system) #:prefix cmake:)
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#:use-module (guix build utils)
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#:use-module (ice-9 match)
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#:use-module (ice-9 regex)
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#:use-module (ice-9 ftw)
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#:use-module (srfi srfi-1)
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#:use-module (srfi srfi-26)
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#:export (%standard-phases
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qt-build))
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;; Commentary:
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;;
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;; Builder-side code of the standard Qt build procedure.
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;;
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;; Code:
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(define* (check-setup #:rest args)
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;; Make Qt render "offscreen". In many cases this allows to run tests
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;; without starting a X11 server.
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(setenv "QT_QPA_PLATFORM" "offscreen")
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;; Qt/KDE tests often need dbus (`dbus-launch …`) which is not fully
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;; set-up the the build container.
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(setenv "DBUS_FATAL_WARNINGS" "0")
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;; Set here to ease overwriting 'check (even if set there, too)
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(setenv "CTEST_OUTPUT_ON_FAILURE" "1")
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#t)
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(define (variables-for-wrapping base-directories)
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(define (collect-sub-dirs base-directories subdirectory)
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(filter-map
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(lambda (dir)
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(let ((directory (string-append dir subdirectory)))
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(if (directory-exists? directory) directory #f)))
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base-directories))
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(filter
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(lambda (var-to-wrap) (not (null? (last var-to-wrap))))
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(map
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(lambda (var-spec)
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`(,(first var-spec) = ,(collect-sub-dirs base-directories (last var-spec))))
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(list
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;; these shall match the search-path-specification for Qt and KDE
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;; libraries
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'("XDG_DATA_DIRS" "/share")
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'("XDG_CONFIG_DIRS" "/etc/xdg")
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'("QT_PLUGIN_PATH" "/lib/qt5/plugins")
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'("QML2_IMPORT_PATH" "/lib/qt5/qml")))))
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(define* (wrap-all-programs #:key inputs outputs
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(qt-wrap-excluded-outputs '())
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#:allow-other-keys)
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"Implement phase \"qt-wrap\": look for GSettings schemas and
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gtk+-v.0 libraries and create wrappers with suitably set environment variables
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if found.
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Wrapping is not applied to outputs whose name is listed in
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QT-WRAP-EXCLUDED-OUTPUTS. This is useful when an output is known not
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to contain any Qt binaries, and where wrapping would gratuitously
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add a dependency of that output on Qt."
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(define (find-files-to-wrap directory)
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(append-map
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(lambda (dir)
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(if (directory-exists? dir) (find-files dir ".*") (list)))
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(list (string-append directory "/bin")
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(string-append directory "/sbin")
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(string-append directory "/libexec")
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(string-append directory "/lib/libexec"))))
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(define input-directories
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;; FIXME: Filter out unwanted inputs, e.g. cmake
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(match inputs
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(((_ . dir) ...)
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dir)))
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(define handle-output
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(match-lambda
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((output . directory)
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(unless (member output qt-wrap-excluded-outputs)
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(let ((bin-list (find-files-to-wrap directory))
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(vars-to-wrap (variables-for-wrapping
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(append (list directory)
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input-directories))))
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(when (not (null? vars-to-wrap))
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(for-each (cut apply wrap-program <> vars-to-wrap)
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bin-list)))))))
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(for-each handle-output outputs)
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#t)
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(define %standard-phases
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(modify-phases cmake:%standard-phases
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(add-before 'check 'check-setup check-setup)
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(add-after 'install 'qt-wrap wrap-all-programs)))
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(define* (qt-build #:key inputs (phases %standard-phases)
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#:allow-other-keys #:rest args)
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"Build the given package, applying all of PHASES in order."
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(apply cmake:cmake-build #:inputs inputs #:phases phases args))
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