Index: head/graphics/opencolorio/Makefile
===================================================================
--- head/graphics/opencolorio/Makefile
+++ head/graphics/opencolorio/Makefile
@@ -12,7 +12,8 @@
 
 LICENSE=	BSD3CLAUSE
 
-USES=		alias cmake compiler:c++11-lang pkgconfig shebangfix
+USES=		alias cmake compiler:c++11-lang localbase:ldflags pkgconfig \
+		shebangfix
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	imageworks
@@ -20,10 +21,10 @@
 
 CMAKE_ON=	USE_EXTERNAL_TINYXML USE_EXTERNAL_YAML
 CMAKE_OFF=	OCIO_BUILD_JNIGLUE OCIO_BUILD_NUKE OCIO_BUILD_STATIC
-LDFLAGS+=	-L${LOCALBASE}/lib
-# pyglue gives an error on use of register
-# this should only be an error using c++17
-CXXFLAGS+=	-Wno-deprecated-register
+
+CXXFLAGS=	${CXXFLAGS_${CHOSEN_COMPILER_TYPE}}
+CXXFLAGS_gcc=	-Wno-unused-function -Wno-error
+CXXFLAGS_clang=	-Wno-deprecated-register
 
 SHEBANG_FILES=	share/sphinx/ExtractRstFromSourceCPP.py \
 		share/sphinx/ExtractRstFromSourceSimple.py \