Index: games/flightgear/Makefile
===================================================================
--- games/flightgear/Makefile	(revision 368159)
+++ games/flightgear/Makefile	(working copy)
@@ -21,13 +21,12 @@
 		libpng15.so:${PORTSDIR}/graphics/png \
 		libboost_thread.so:${PORTSDIR}/devel/boost-libs \
 		libfltk.so:${PORTSDIR}/x11-toolkits/fltk \
-		libosg.so:${PORTSDIR}/graphics/osg \
-		libdbus-1.so:${PORTSDIR}/devel/dbus
+		libosg.so:${PORTSDIR}/graphics/osg
 BUILD_DEPENDS=	${LOCALBASE}/lib/libplibsl.a:${PORTSDIR}/x11-toolkits/plib \
 		${LOCALBASE}/lib/libSimGearCore.a:${PORTSDIR}/devel/simgear
 RUN_DEPENDS=	${LOCALBASE}/lib/libplibsl.a:${PORTSDIR}/x11-toolkits/plib \
-		${LOCALBASE}/lib/libSimGearCore.a:${PORTSDIR}/devel/simgear \
-		${LOCALBASE}/share/flightgear/version:${PORTSDIR}/games/flightgear-data
+		${LOCALBASE}/lib/libSimGearCore.a:${PORTSDIR}/devel/simgear #\
+#		${LOCALBASE}/share/flightgear/version:${PORTSDIR}/games/flightgear-data
 
 USE_XORG=	ice sm x11 xext xft xi xinerama xt xmu
 USE_GL=		gl glu glut
@@ -37,12 +36,22 @@
 DOS2UNIX_REGEX=	.*\.(c|h|cxx|cpp|hxx|hpp)
 CMAKE_ARGS+=	-DJPEG_FACTORY:BOOL=ON \
 		-DENABLE_JS_SERVER:BOOL=ON \
-		-DUSE_DBUS:BOOL=ON \
 		-DSYSTEM_SQLITE:BOOL=ON \
 		-DFG_DATA_DIR:PATH=${LOCALBASE}/share/${PORTNAME} \
 		-DCMAKE_INSTALL_MANDIR:PATH=${MANPREFIX}/man \
 		-DFGCOM_DATA_PATH:PATH=${DATADIR}
 
+OPTIONS_DEFINE=	DBUS
+
+.include <bsd.port.options.mk>
+
+.if ${PORT_OPTIONS:MDBUS}
+LIB_DEPENDS+=	libdbus-1.so:${PORTSDIR}/devel/dbus
+CMAKE_ARGS+=	-DUSE_DBUS:BOOL=ON
+.else
+CMAKE_ARGS+=	-DUSE_DBUS:BOOL=OFF
+.endif
+
 .include <bsd.port.pre.mk>
 
 .if ${COMPILER_FEATURES:Mlibc++}