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# A debhelper build system class for Qt projects
# (based on the makefile class).
#
# Copyright: © 2010 Kelvin Modderman
# License: GPL-2+
package Debian::Debhelper::Buildsystem::qmake;
use strict;
use warnings;
use Debian::Debhelper::Dh_Lib qw(dpkg_architecture_value error is_cross_compiling);
use parent qw(Debian::Debhelper::Buildsystem::makefile);
my %OS_MKSPEC_MAPPING = (
'linux' => 'linux-g++',
'kfreebsd' => 'gnukfreebsd-g++',
'hurd' => 'hurd-g++',
);
sub DESCRIPTION {
"qmake (*.pro)";
}
sub check_auto_buildable {
my $this=shift;
my @projects=glob($this->get_sourcepath('*.pro'));
my $ret=0;
if (@projects > 0) {
$ret=1;
# Existence of a Makefile generated by qmake indicates qmake
# class has already been used by a prior build step, so should
# be used instead of the parent makefile class.
my $mf=$this->get_buildpath("Makefile");
if (-e $mf) {
$ret = $this->SUPER::check_auto_buildable(@_);
open(my $fh, '<', $mf)
or error("unable to open Makefile: $mf");
while(<$fh>) {
if (m/^# Generated by qmake/i) {
$ret++;
last;
}
}
close($fh);
}
}
return $ret;
}
sub configure {
my $this=shift;
my @options;
my @flags;
push @options, '-makefile';
if (is_cross_compiling()) {
my $host_os = dpkg_architecture_value("DEB_HOST_ARCH_OS");
if (defined(my $spec = $OS_MKSPEC_MAPPING{$host_os})) {
push(@options, "-spec", $spec);
} else {
error("Cannot cross-compile: Missing entry for HOST OS ${host_os} for qmake's -spec option");
}
}
if ($ENV{CFLAGS}) {
push @flags, "QMAKE_CFLAGS_RELEASE=$ENV{CFLAGS} $ENV{CPPFLAGS}";
push @flags, "QMAKE_CFLAGS_DEBUG=$ENV{CFLAGS} $ENV{CPPFLAGS}";
}
if ($ENV{CXXFLAGS}) {
push @flags, "QMAKE_CXXFLAGS_RELEASE=$ENV{CXXFLAGS} $ENV{CPPFLAGS}";
push @flags, "QMAKE_CXXFLAGS_DEBUG=$ENV{CXXFLAGS} $ENV{CPPFLAGS}";
}
if ($ENV{LDFLAGS}) {
push @flags, "QMAKE_LFLAGS_RELEASE=$ENV{LDFLAGS}";
push @flags, "QMAKE_LFLAGS_DEBUG=$ENV{LDFLAGS}";
}
push @flags, "QMAKE_STRIP=:";
push @flags, "PREFIX=/usr";
$this->mkdir_builddir();
$this->doit_in_builddir($this->_qmake(), @options, @flags, @_);
}
sub install {
my $this=shift;
my $destdir=shift;
# qmake generated Makefiles use INSTALL_ROOT in install target
# where one would expect DESTDIR to be used.
$this->SUPER::install($destdir, "INSTALL_ROOT=$destdir", @_);
}
sub _qmake {
if (is_cross_compiling()) {
return dpkg_architecture_value("DEB_HOST_GNU_TYPE") . "-qmake";
}
return 'qmake';
}
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