Index: postgis21/Makefile
===================================================================
--- postgis21/Makefile	(revision 495743)
+++ postgis21/Makefile	(working copy)
@@ -13,6 +13,9 @@
 LICENSE=	GPLv2
 LICENSE_FILE=	${WRKSRC}/COPYING
 
+DEPRECATED=	Upstream no longer maintained
+EXPIRATION_DATE=2019-06-15
+
 LIB_DEPENDS=	libproj.so:graphics/proj \
 		libgeos.so:graphics/geos \
 		libjson-c.so:devel/json-c