logic: Added cross-compilation UI to CXX source group setup (issue #370)

Allows for defining specific target triple of architecture, vendor, OS and environment as set of dropdown lists
in CXX source group setup.

bug id = 370

src/lib_gui/utility/utilityApp.cpp

@@ -1,13 +1,12 @@
 #include "utility/utilityApp.h"
 
 #include <QProcess>
+#include <QSysInfo>
 #include <QThread>
 #include <qprocessordetection.h>
 
 #include "utility/utilityString.h"
 
-#include <iostream>
-
 namespace utility
 {
 	std::mutex s_runningProcessesMutex;
@@ -78,6 +77,23 @@ void utility::killRunningProcesses()
 	}
 }
 
+OsType utility::getOsType()
+{
+	if (QSysInfo::windowsVersion() != QSysInfo::WV_None)
+	{
+		return OS_WINDOWS;
+	}
+	else if (QSysInfo::macVersion() != QSysInfo::MV_None)
+	{
+		return OS_MAC;
+	}
+	else
+	{
+		return OS_LINUX;
+	}
+	return OS_UNKNOWN;
+}
+
 int utility::getIdealThreadCount()
 {
 	return QThread::idealThreadCount();