diff -ruN xen-tools411.bak/Makefile xen-tools411/Makefile
--- xen-tools411.bak/Makefile	2019-02-11 21:49:14.314245000 +0300
+++ xen-tools411/Makefile	2019-02-11 23:09:24.713002000 +0300
@@ -21,7 +21,12 @@
 RUN_DEPENDS=	seabios>0:misc/seabios
 DOCS_BUILD_DEPENDS=markdown:textproc/markdown
 
-OPTIONS_DEFINE=	DOCS
+OPTIONS_DEFINE=	DOCS SPICE
+
+SPICE_DESC=		Enable SPICE protocol
+SPICE_CONFIGURE_WITH=	--with-extra-qemuu-configure-args="--enable-spice"
+SPICE_BUILD_DEPENDS=	spice-protocol>=0.12.10:devel/spice-protocol
+SPICE_LIB_DEPENDS=	libspice-server.so:devel/libspice-server
 
 ONLY_FOR_ARCHS=	amd64
 ONLY_FOR_ARCHS_REASON=	"not yet ported to anything other than amd64"