--- lang/gcc46/Makefile	(revision 449896)
+++ lang/gcc46/Makefile	(working copy)
@@ -15,6 +15,9 @@ 
 LICENSE=	GPLv3 GPLv3RLE
 LICENSE_COMB=	multi
 
+DEPRECATED=	Unsupported by upstream. Use GCC 5 or newer instead.
+EXPIRATION_DATE=	2018-03-31
+
 LIB_DEPENDS=	libgmp.so:math/gmp \
 		libmpfr.so:math/mpfr \
 		libmpc.so:math/mpc
--- lang/gcc47/Makefile	(revision 449896)
+++ lang/gcc47/Makefile	(working copy)
@@ -15,6 +15,9 @@ 
 LICENSE=	GPLv3 GPLv3RLE
 LICENSE_COMB=	multi
 
+DEPRECATED=	Unsupported by upstream. Use GCC 5 or newer instead.
+EXPIRATION_DATE=	2018-03-31
+
 LIB_DEPENDS=	libgmp.so:math/gmp \
 		libmpfr.so:math/mpfr \
 		libmpc.so:math/mpc
--- lang/gcc48/Makefile	(revision 449896)
+++ lang/gcc48/Makefile	(working copy)
@@ -14,6 +14,9 @@ 
 LICENSE=	GPLv3 GPLv3RLE
 LICENSE_COMB=	multi
 
+DEPRECATED=	Unsupported by upstream. Use GCC 5 or newer instead.
+EXPIRATION_DATE=	2018-03-31
+
 LIB_DEPENDS=	libgmp.so:math/gmp \
 		libmpfr.so:math/mpfr \
 		libmpc.so:math/mpc
--- lang/gcc49/Makefile	(revision 449896)
+++ lang/gcc49/Makefile	(working copy)
@@ -14,6 +14,9 @@ 
 LICENSE=	GPLv3 GPLv3RLE
 LICENSE_COMB=	multi
 
+DEPRECATED=	Unsupported by upstream. Use GCC 5 or newer instead.
+EXPIRATION_DATE=	2018-03-31
+
 LIB_DEPENDS=	libgmp.so:math/gmp \
 		libmpfr.so:math/mpfr \
 		libmpc.so:math/mpc