--- Makefile.orig	2015-03-02 20:59:32.772976502 +0100
+++ Makefile	2015-03-02 20:59:51.550977816 +0100
@@ -12,13 +12,15 @@
 #		gjb@FreeBSD.org is also committer for this port
 COMMENT=	Systems administration tool for networks
 
+CPE_VENDOR=	gnu
+
 FETCH_BEFORE_ARGS=	-o ${DISTDIR}/${DISTFILES}
 
 CONFLICTS=	cfengine-3* cfengine-devel-*
 
 USE_RC_SUBR=	cfexecd cfservd
 
-USES=		libtool makeinfo shebangfix
+USES=		cpe libtool makeinfo shebangfix
 SHEBANG_FILES=	contrib/cfdoc
 
 USE_BDB=	48+