qmake: Add qmake-options to pass options to qmake.

Obviously this only applies to the few modules that utilize the qmake
build system.

BUG:342416
FIXED-IN:1.16

doc/index.docbook

@@ -2,7 +2,7 @@
 <!DOCTYPE book PUBLIC "-//KDE//DTD DocBook XML V4.2-Based Variant V1.1//EN" "dtd/kdex.dtd" [
   <!--
     Documentation for kdesrc-build.
-    Copyright (c) 2005-2008, 2010-2014 Michael Pyne <mpyne@kde.org>
+    Copyright (c) 2005-2008, 2010-2015 Michael Pyne <mpyne@kde.org>
 
     Copyright (c) 2005 Carlos Leonhard Woelz <carloswoelz@imap-mail.com>
     Copyright (c) 2009 Burkhard Lück <lueck@hube-lueck.de>
@@ -2337,6 +2337,20 @@ deleted or not. The default value is <replaceable>true</replaceable>.</para>
 </entry>
 </row>
 
+<row id="conf-qmake-options">
+<entry>qmake-options</entry>
+<entry>Module setting overrides global</entry>
+
+<entry><para>Any options specified here are passed to the
+<command>qmake</command> command, for modules that use the
+<symbol>qmake</symbol> build system. For instance, you can use the
+<userinput>PREFIX=/path/to/qt</userinput> option to qmake to override where it
+installs the module.
+</para>
+<para>This option was added to &kdesrc-build; 1.16.</para>
+</entry>
+</row>
+
 <row id="conf-qtdir">
 <entry>qtdir</entry>
 <entry>Module setting overrides global</entry>

modules/ksb/BuildSystem/QMake.pm

@@ -44,6 +44,7 @@ sub configureInternal
     my $module = $self->module();
     my $builddir = $module->fullpath('build');
     my $sourcedir = $module->fullpath('source');
+    my @qmakeOpts = split(' ', $module->getOption('qmake-options'));
     my @projectFiles = glob("$sourcedir/*.pro");
 
     if (!@projectFiles || !$projectFiles[0]) {
@@ -59,7 +60,7 @@ sub configureInternal
 
     my $qmake = absPathToQMake();
     return 0 unless $qmake;
-    return log_command($module, 'qmake', [ $qmake, $projectFiles[0] ]) == 0;
+    return log_command($module, 'qmake', [ $qmake, @qmakeOpts, $projectFiles[0] ]) == 0;
 }
 
 1;