diff -u consolekit2.orig/Makefile consolekit2/Makefile
--- consolekit2.orig/Makefile	2018-09-26 12:34:16.727753000 +0200
+++ consolekit2/Makefile	2018-09-26 12:34:01.066266000 +0200
@@ -14,8 +14,7 @@
 LICENSE=	GPLv2
 LICENSE_FILE=	${WRKSRC}/COPYING
 
-LIB_DEPENDS=	libdbus-1.so:devel/dbus \
-		libpolkit-gobject-1.so:sysutils/polkit
+LIB_DEPENDS=	libdbus-1.so:devel/dbus
 
 WRKSRC=		${WRKDIR}/ConsoleKit2-${PORTVERSION}
 USES=		gettext gmake libtool localbase pathfix pkgconfig tar:bzip2
@@ -28,7 +27,7 @@
 		--enable-pam-module \
 		--with-pam-module-dir=${PREFIX}/lib \
 		--localstatedir=/var \
-		--enable-polkit \
+		--disable-polkit \
 		--enable-introspection \
 		--without-html-dir \
 		--disable-udev-acl \
@@ -38,5 +37,13 @@
 		--disable-libudev \
 		--without-systemdsystemunitdir
 INSTALL_TARGET=	install-strip
+
+OPTIONS_DEFINE= POLKIT
+OPTIONS_DEFAULT= POLKIT
+
+POLKIT_LIB_DEPENDS= libpolkit-gobject-1.so:sysutils/polkit                                               
+POLKIT_DESC=  Build with PolicyKit support                                                               
+POLKIT_CONFIGURE_ENABLE=polkit
+
 
 .include <bsd.port.mk>