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authorHartmut Goebel <h.goebel@crazy-compilers.com>2019-11-24 14:56:48 +0100
committerHartmut Goebel <h.goebel@crazy-compilers.com>2019-12-01 20:24:47 +0100
commitb6d852ce6d0b5662706c32ec4b4fd853ec829395 (patch)
tree4ef15e42500fc688cde96ecfa1117f2cb3ba4e58 /guix/build
parentc6d130630a85709fc5a5488cfd6715ec13e72399 (diff)
guix: Add the 'qt' build system.
* guix/build-system/qt.scm, guix/build/qt-build-system.scm: New files. * Makefile.am (MODULES): Add them. * doc/guix.texi (Buiild systems): Add the new build system.
Diffstat (limited to 'guix/build')
-rw-r--r--guix/build/qt-build-system.scm109
1 files changed, 109 insertions, 0 deletions
diff --git a/guix/build/qt-build-system.scm b/guix/build/qt-build-system.scm
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+++ 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))