function qt_getCXXFLAGS()
{
	if QTDIR == null then
	{
		error "QTDIR is not set, cannot find QT tools.";
	}

	ret = "-D_REENTRANT -DQT_NO_DEBUG -DQT_GUI_LIB -DQT_CORE_LI "
		"-DQT_SHARED -I${QTDIR}/mkspecs/linux-g++ "
		"$(PKG_CONFIG_PATH=PKG_CONFIG_PATH:${QTDIR}/lib/pkgconfig "
		"pkg-config --cflags QtCore QtGui ice glu x11 xext libpng freetype2 "
		"gobject-2.0 sm xrender fontconfig gthread-2.0 glib-2.0)";
	if UI_DIR != null then
	{
		ret += "-I${UI_DIR}";
	}
	if RCC_DIR != null then
	{
		ret += "-I${RCC_DIR}";
	}
	if MOC_DIR != null then
	{
		ret += "-I${MOC_DIR}";
	}
	return ret;
}

function qt_getLDFLAGS()
{
	if QTDIR == null then
	{
		error "QTDIR is not set, cannot find QT tools.";
	}

	return "-Wl,-rpath,${QTDIR}/lib $(PKG_CONFIG_PATH="
		"PKG_CONFIG_PATH:${QTDIR}/lib/pkgconfig "
		"pkg-config --libs QtCore QtGui ice glu x11 xext libpng freetype2 "
		"gobject-2.0 sm xrender fontconfig gthread-2.0 glib-2.0) -laudio -lz "
		"-lm -ldl";
}

function qt_getToolPath( TOOL, DEFAULT )
{
	if QTDIR == null then
	{
		error "QTDIR is not set, cannot find QT tools.";
	}
	if TOOL == null then
	{
		return "${QTDIR}/bin/${DEFAULT}";
	}
	return TOOL;
}

function qt_uiToH()
{
	if "${UI_DIR}" == "" then
	{
		DIR = INPUT.dirName();
	}
	else
	{
		DIR = UI_DIR;
	}
	FILE = INPUT.fileName();
	OUTFILE = FILE.replace(".ui",".h");
	return "${DIR}/ui_${OUTFILE}";
}

rule "qt_ui"
{
	display "ui";
	input "*.ui";
	output INPUT.qt_uiToH();
	tag "headers";
	profile "build"
	{
		UIC = qt_getToolPath( UIC, "uic" );
		execute("${UIC} -o ${OUTPUT} ${INPUT}");
	}
}

function qt_qrcToCpp()
{
	if "${RCC_DIR}" == "" then
	{
		DIR = INPUT.dirName();
	}
	else
	{
		DIR = RCC_DIR;
	}
	FILE = INPUT.fileName();
	OUTFILE = FILE.replace(".qrc",".cpp");
	return "${DIR}/qrc_${OUTFILE}";
}

rule "qt_rcc"
{
	display "rcc";
	input "*.qrc";
	output INPUT.qt_qrcToCpp();
	profile "build"
	{
		RCC = qt_getToolPath( RCC, "rcc" );
		NAME = INPUT.fileName().replace(".qrc","");
		execute("${RCC} -name ${NAME} -o ${OUTPUT} ${INPUT}");
	}
}

function qt_isMocable()
{
	if INPUT.matches("*.h") then
	{
		if exists( INPUT ) then
		{
			if "$(grep Q_OBJECT ${INPUT})" != "" then
			{
				return true;
			}
		}
	}
	return false;
}

function qt_hToMocCpp()
{
	if "${MOC_DIR}" == "" then
	{
		DIR = INPUT.dirName();
	}
	else
	{
		DIR = MOC_DIR;
	}
	FILE = INPUT.fileName();
	OUTFILE = FILE.replace(".h",".cpp");
	return "${DIR}/moc_${OUTFILE}";
}

rule "qt_moc"
{
	display "moc";
	input qt_isMocable();
	output INPUT.qt_hToMocCpp();
	profile "build"
	{
		MOC = qt_getToolPath( MOC, "moc" );
		execute("${MOC} -o${OUTPUT} ${INPUT}");
	}
}

rule "exe"
{
	input regex(".*\\.(h|o)");
	profile "build"
	{
		INPUT = [INPUT].matches("*.o");
//		execute("echo ${INPUT}");
//		execute("echo ${MYIN}");
		execute("${CXX} -o ${OUTPUT} ${INPUT} ${LDFLAGS}");
	}
}