--- graphics/milton/Makefile	(revision 504263)
+++ graphics/milton/Makefile	(working copy)
@@ -14,13 +14,13 @@ 
 
 BUILD_DEPENDS=	icotool:graphics/icoutils
 
+USES=		cmake compiler:c++11-lang gl gnome sdl
 USE_GITHUB=	yes
 GH_ACCOUNT=	serge-rgb
-
-USES=		cmake gl gnome
 USE_GL=		gl
 USE_GNOME=	gtk20
 USE_SDL=	sdl2 image2
+
 INSTALLS_ICONS=	yes
 
 PLIST_FILES=	bin/milton ${DATADIR_REL}/Carlito.ttf
@@ -28,6 +28,12 @@ 
 PLIST_FILES+=	share/icons/hicolor/${n}x${n}/apps/milton.png
 .endfor
 
+CXXFLAGS_powerpc64=	-DNO_WARN_X86_INTRINSICS -maltivec -mvsx
+
+LLVM_VERSION?=   60
+BUILD_DEPENDS+=	clang${LLVM_VERSION}:devel/llvm${LLVM_VERSION}
+MAKE_ENV+=	CC="clang${LLVM_VERSION}" CXX="clang++${LLVM_VERSION}"
+
 post-patch:
 	@${REINPLACE_CMD} -e 's:__linux__:__${OPSYS}__:' \
 		${WRKSRC}/src/easytab.h