Qt4BuildConfiguration: Make debug the default

This changes the qt creator behaviour to be different from the command
line behaviour of qmake. That is it now matters which way the user runs
qmake.

Change-Id: I5763fb45f0508cde6fce80824dc9f3c935a00797
Reviewed-by: hjk <qthjk@ovi.com>

src/plugins/qt4projectmanager/qt4buildconfiguration.cpp

@@ -625,11 +625,6 @@ BuildConfiguration *Qt4BuildConfigurationFactory::create(ProjectExplorer::Target
     if (buildConfigurationName != version->displayName())
         customSecondName = tr("%1 Release").arg(buildConfigurationName);
 
-    if (!(version->defaultBuildConfig() & QtSupport::BaseQtVersion::DebugBuild)) {
-        qSwap(defaultFirstName, defaultSecondName);
-        qSwap(customFirstName, customSecondName);
-    }
-
     BuildConfiguration *bc
             = Qt4BuildConfiguration::setup(parent, defaultFirstName, customFirstName,
                                            version->defaultBuildConfig(), QString(), QString(), false);
@@ -679,7 +674,7 @@ QList<BuildConfigurationInfo> Qt4BuildConfigurationFactory::availableBuildConfig
     QtSupport::BaseQtVersion *version = QtSupport::QtKitInformation::qtVersion(k);
     if (!version || !version->isValid())
         return infoList;
-    QtSupport::BaseQtVersion::QmakeBuildConfigs config = version->defaultBuildConfig();
+    QtSupport::BaseQtVersion::QmakeBuildConfigs config = version->defaultBuildConfig() | QtSupport::BaseQtVersion::DebugBuild;
     BuildConfigurationInfo info = BuildConfigurationInfo(config, QString(), QString(), false);
     info.directory = Qt4Project::shadowBuildDirectory(proFilePath, k, buildConfigurationDisplayName(info));
     infoList.append(info);