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1 | ;;; GNU Guix --- Functional package management for GNU |
2 | ;;; Copyright © 2014 Federico Beffa <beffa@fbengineering.ch> | |
3 | ;;; Copyright © 2014, 2015 Ludovic Courtès <ludo@gnu.org> | |
4 | ;;; Copyright © 2018 Mark H Weaver <mhw@netris.org> | |
5 | ;;; Copyright © 2019 Hartmut Goebel <h.goebel@crazy-compilers.com> | |
6 | ;;; | |
7 | ;;; This file is part of GNU Guix. | |
8 | ;;; | |
9 | ;;; GNU Guix is free software; you can redistribute it and/or modify it | |
10 | ;;; under the terms of the GNU General Public License as published by | |
11 | ;;; the Free Software Foundation; either version 3 of the License, or (at | |
12 | ;;; your option) any later version. | |
13 | ;;; | |
14 | ;;; GNU Guix is distributed in the hope that it will be useful, but | |
15 | ;;; WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | ;;; GNU General Public License for more details. | |
18 | ;;; | |
19 | ;;; You should have received a copy of the GNU General Public License | |
20 | ;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. | |
21 | ||
22 | (define-module (guix build qt-build-system) | |
23 | #:use-module ((guix build cmake-build-system) #:prefix cmake:) | |
24 | #:use-module (guix build utils) | |
25 | #:use-module (ice-9 match) | |
26 | #:use-module (ice-9 regex) | |
27 | #:use-module (ice-9 ftw) | |
28 | #:use-module (srfi srfi-1) | |
29 | #:use-module (srfi srfi-26) | |
30 | #:export (%standard-phases | |
31 | qt-build)) | |
32 | ||
33 | ;; Commentary: | |
34 | ;; | |
35 | ;; Builder-side code of the standard Qt build procedure. | |
36 | ;; | |
37 | ;; Code: | |
38 | ||
39 | (define (variables-for-wrapping base-directories) | |
40 | ||
41 | (define (collect-sub-dirs base-directories subdirectory) | |
42 | (filter-map | |
43 | (lambda (dir) | |
44 | (let ((directory (string-append dir subdirectory))) | |
45 | (if (directory-exists? directory) directory #f))) | |
46 | base-directories)) | |
47 | ||
48 | (filter | |
49 | (lambda (var-to-wrap) (not (null? (last var-to-wrap)))) | |
50 | (map | |
51 | (lambda (var-spec) | |
52 | `(,(first var-spec) = ,(collect-sub-dirs base-directories (last var-spec)))) | |
53 | (list | |
54 | ;; these shall match the search-path-specification for Qt and KDE | |
55 | ;; libraries | |
56 | '("XDG_DATA_DIRS" "/share") | |
57 | '("XDG_CONFIG_DIRS" "/etc/xdg") | |
58 | '("QT_PLUGIN_PATH" "/lib/qt5/plugins") | |
59 | '("QML2_IMPORT_PATH" "/lib/qt5/qml"))))) | |
60 | ||
61 | (define* (wrap-all-programs #:key inputs outputs | |
62 | (qt-wrap-excluded-outputs '()) | |
63 | #:allow-other-keys) | |
64 | "Implement phase \"qt-wrap\": look for GSettings schemas and | |
65 | gtk+-v.0 libraries and create wrappers with suitably set environment variables | |
66 | if found. | |
67 | ||
68 | Wrapping is not applied to outputs whose name is listed in | |
69 | QT-WRAP-EXCLUDED-OUTPUTS. This is useful when an output is known not | |
70 | to contain any Qt binaries, and where wrapping would gratuitously | |
71 | add a dependency of that output on Qt." | |
72 | (define (find-files-to-wrap directory) | |
73 | (append-map | |
74 | (lambda (dir) | |
75 | (if (directory-exists? dir) (find-files dir ".*") (list))) | |
76 | (list (string-append directory "/bin") | |
77 | (string-append directory "/sbin") | |
78 | (string-append directory "/libexec") | |
79 | (string-append directory "/lib/libexec")))) | |
80 | ||
81 | (define input-directories | |
82 | ;; FIXME: Filter out unwanted inputs, e.g. cmake | |
83 | (match inputs | |
84 | (((_ . dir) ...) | |
85 | dir))) | |
86 | ||
87 | (define handle-output | |
88 | (match-lambda | |
89 | ((output . directory) | |
90 | (unless (member output qt-wrap-excluded-outputs) | |
91 | (let ((bin-list (find-files-to-wrap directory)) | |
92 | (vars-to-wrap (variables-for-wrapping | |
93 | (append (list output) | |
94 | input-directories)))) | |
95 | (when (not (null? vars-to-wrap)) | |
96 | (for-each (cut apply wrap-program <> vars-to-wrap) | |
97 | bin-list))))))) | |
98 | ||
99 | (for-each handle-output outputs) | |
100 | #t) | |
101 | ||
102 | (define %standard-phases | |
103 | (modify-phases cmake:%standard-phases | |
104 | (add-after 'install 'qt-wrap wrap-all-programs))) | |
105 | ||
106 | (define* (qt-build #:key inputs (phases %standard-phases) | |
107 | #:allow-other-keys #:rest args) | |
108 | "Build the given package, applying all of PHASES in order." | |
109 | (apply cmake:cmake-build #:inputs inputs #:phases phases args)) |