diff --git a/games/flare-engine/Makefile b/games/flare-engine/Makefile
index 9ba7980d6fbe..4b0406727d46 100644
--- a/games/flare-engine/Makefile
+++ b/games/flare-engine/Makefile
@@ -14,7 +14,7 @@ COMMENT=	Free Libre Action Roleplaying Engine
 
 LICENSE=	GPLv3
 
-USES=		cmake
+USES=		cmake compiler:env
 USE_SDL=	sdl mixer image ttf
 CMAKE_BUILD_TYPE=	#empty
 
@@ -26,8 +26,16 @@ PORTDATA=	*
 PLIST_FILES=	bin/${PORTNAME} \
 		man/man1/flare.1.gz
 
+.include <bsd.port.pre.mk>
+
+post-patch:
+.if ${COMPILER_TYPE} == "clang"
+	@${REINPLACE_CMD} -e 's|-fwhole-program||' ${WRKSRC}/CMakeLists.txt
+.endif
+
 post-install:
+	${STRIP_CMD} ${STAGEDIR}${PREFIX}/bin/flare
 	${MKDIR} ${STAGEDIR}${DOCSDIR}
 	${INSTALL_DATA} ${WRKSRC}/README.engine ${STAGEDIR}${DOCSDIR}/
 
-.include <bsd.port.mk>
+.include <bsd.port.post.mk>