--- Makefile	(revision 425164)
+++ Makefile	(working copy)
@@ -27,7 +27,7 @@ 
 
 USE_XORG=	ice sm x11 xext xft xi xinerama xmu xt
 USE_GL=		gl glu glut
-USE_QT5=	core buildtools gui qmake widgets
+QT5_USE_QT5=	core buildtools gui qmake widgets
 
 USES=		alias cmake compiler cpe dos2unix jpeg openal:al,alut sqlite \
 		tar:bzip2
@@ -39,12 +39,14 @@ 
 		-DFGCOM_DATA_PATH:PATH=${DATADIR}
 LDFLAGS+=	-L${LOCALBASE}/lib
 
-OPTIONS_DEFINE=	DBUS
-OPTIONS_DEFAULT=	DBUS
+OPTIONS_DEFINE=	DBUS QT5
+OPTIONS_DEFAULT=	DBUS QT5
 DBUS_LIB_DEPENDS=	libdbus-1.so:devel/dbus
 DBUS_USES=	pkgconfig
 DBUS_CMAKE_ON=	-DUSE_DBUS:BOOL=ON
 DBUS_CMAKE_OFF=	-DUSE_DBUS:BOOL=OFF
+QT5_CMAKE_ON=	-DENABLE_QT:BOOL=ON
+QT5_CMAKE_OFF=	-DENABLE_QT:BOOL=OFF
 
 .include <bsd.port.pre.mk>