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1 | ;;; GNU Guix --- Functional package management for GNU |
2 | ;;; Copyright © 2016 David Craven <david@craven.ch> | |
7e24e1e5 | 3 | ;;; Copyright © 2019, 2020, 2021 Hartmut Goebel <h.goebel@crazy-compilers.com> |
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4 | ;;; |
5 | ;;; This file is part of GNU Guix. | |
6 | ;;; | |
7 | ;;; GNU Guix is free software; you can redistribute it and/or modify it | |
8 | ;;; under the terms of the GNU General Public License as published by | |
9 | ;;; the Free Software Foundation; either version 3 of the License, or (at | |
10 | ;;; your option) any later version. | |
11 | ;;; | |
12 | ;;; GNU Guix is distributed in the hope that it will be useful, but | |
13 | ;;; WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | ;;; GNU General Public License for more details. | |
16 | ;;; | |
17 | ;;; You should have received a copy of the GNU General Public License | |
18 | ;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. | |
19 | ||
20 | (define-module (guix build qt-utils) | |
21 | #:use-module (guix build utils) | |
7e24e1e5 HG |
22 | #:use-module (ice-9 match) |
23 | #:use-module (srfi srfi-1) | |
24 | #:use-module (srfi srfi-26) | |
25 | #:export (wrap-qt-program | |
26 | wrap-all-qt-programs)) | |
27 | ||
28 | ||
29 | (define (variables-for-wrapping base-directories) | |
30 | ||
31 | (define (collect-sub-dirs base-directories subdirectory) | |
32 | (filter-map | |
33 | (lambda (dir) | |
34 | (let ((directory (string-append dir subdirectory))) | |
35 | (if (directory-exists? directory) directory #f))) | |
36 | base-directories)) | |
37 | ||
38 | (filter | |
39 | (lambda (var-to-wrap) (not (null? (last var-to-wrap)))) | |
40 | (map | |
41 | (lambda (var-spec) | |
42 | `(,(first var-spec) = ,(collect-sub-dirs base-directories (last var-spec)))) | |
43 | (list | |
44 | ;; these shall match the search-path-specification for Qt and KDE | |
45 | ;; libraries | |
46 | '("XDG_DATA_DIRS" "/share") | |
47 | '("XDG_CONFIG_DIRS" "/etc/xdg") | |
48 | '("QT_PLUGIN_PATH" "/lib/qt5/plugins") | |
49 | '("QML2_IMPORT_PATH" "/lib/qt5/qml"))))) | |
50 | ||
51 | ||
52 | (define* (wrap-qt-program* program #:key inputs output-dir) | |
53 | ||
54 | (define input-directories | |
55 | ;; FIXME: Filter out unwanted inputs, e.g. cmake | |
56 | (match inputs | |
57 | (((_ . dir) ...) | |
58 | dir))) | |
59 | ||
60 | (let ((vars-to-wrap (variables-for-wrapping | |
61 | (cons output-dir input-directories)))) | |
62 | (when (not (null? vars-to-wrap)) | |
63 | (apply wrap-program program vars-to-wrap)))) | |
64 | ||
65 | ||
66 | (define* (wrap-qt-program program-name #:key inputs output) | |
67 | "Wrap the specified programm (which must reside in the OUTPUT's \"/bin\" | |
68 | directory) with suitably set environment variables. | |
69 | ||
70 | This is like qt-build-systems's phase \"qt-wrap\", but only the named program | |
71 | is wrapped." | |
72 | (wrap-qt-program* (string-append output "/bin/" program-name) | |
73 | #:output-dir output #:inputs inputs)) | |
74 | ||
75 | ||
76 | (define* (wrap-all-qt-programs #:key inputs outputs | |
77 | (qt-wrap-excluded-outputs '()) | |
78 | #:allow-other-keys) | |
79 | "Implement qt-build-systems's phase \"qt-wrap\": look for executables in | |
80 | \"bin\", \"sbin\" and \"libexec\" of all outputs and create wrappers with | |
81 | suitably set environment variables if found. | |
82 | ||
83 | Wrapping is not applied to outputs whose name is listed in | |
84 | QT-WRAP-EXCLUDED-OUTPUTS. This is useful when an output is known not | |
85 | to contain any Qt binaries, and where wrapping would gratuitously | |
86 | add a dependency of that output on Qt." | |
87 | (define (find-files-to-wrap output-dir) | |
88 | (append-map | |
89 | (lambda (dir) | |
90 | (if (directory-exists? dir) (find-files dir ".*") (list))) | |
91 | (list (string-append output-dir "/bin") | |
92 | (string-append output-dir "/sbin") | |
93 | (string-append output-dir "/libexec") | |
94 | (string-append output-dir "/lib/libexec")))) | |
95 | ||
96 | (define handle-output | |
97 | (match-lambda | |
98 | ((output . output-dir) | |
99 | (unless (member output qt-wrap-excluded-outputs) | |
100 | (for-each (cut wrap-qt-program* <> | |
101 | #:output-dir output-dir #:inputs inputs) | |
102 | (find-files-to-wrap output-dir)))))) | |
103 | ||
104 | (for-each handle-output outputs) | |
105 | #t) |