;;; 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, 2020, 2021 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 (guix build qt-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* (check-setup #:rest args)
  ;; Make Qt render "offscreen". In many cases this allows to run tests
  ;; without starting a X11 server.
  (setenv "QT_QPA_PLATFORM" "offscreen")
  ;; Qt/KDE tests often need dbus (`dbus-launch …`) which is not fully
  ;; set-up the the build container.
  (setenv "DBUS_FATAL_WARNINGS" "0")
  ;; Set here to ease overwriting 'check (even if set there, too)
  (setenv "CTEST_OUTPUT_ON_FAILURE" "1")
  #t)

(define %standard-phases
  (modify-phases cmake:%standard-phases
    (add-before 'check 'check-setup check-setup)
    (add-after 'install 'qt-wrap wrap-all-qt-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))