Index: graphics/opengtl/Makefile
===================================================================
--- graphics/opengtl/Makefile	(revision 434636)
+++ graphics/opengtl/Makefile	(working copy)
@@ -18,6 +18,9 @@
 LIB_DEPENDS=	libpng.so:graphics/png \
 		libLLVM-3.3.so:devel/llvm33
 
+DEPRECATED=     Project is dead, has no end user, and relies on LLVM past EOL
+EXPIRATION_DATE=2017-04-15
+
 USES=		cmake pathfix perl5 tar:bzip2
 USE_LDCONFIG=	yes
 CMAKE_ARGS=	-DLLVM_CONFIG_EXECUTABLE=${LOCALBASE}/bin/llvm-config33
Index: graphics/qtgtl/Makefile
===================================================================
--- graphics/qtgtl/Makefile	(revision 434636)
+++ graphics/qtgtl/Makefile	(working copy)
@@ -13,6 +13,9 @@
 
 LIB_DEPENDS=	libGTLCore.so:graphics/opengtl
 
+DEPRECATED=	Project is dead and has no consumer for over a year
+EXPIRATION_DATE=2017-04-15
+
 USE_QT4=	corelib gui moc_build qmake_build rcc_build uic_build
 USES=		cmake:outsource pathfix pkgconfig tar:bzip2
 USE_LDCONFIG=	yes