--- Makefile.orig	2015-05-04 12:23:48.268010109 +0200
+++ Makefile	2015-05-04 12:24:01.710955930 +0200
@@ -21,7 +21,7 @@
 
 HAS_CONFIGURE=	yes
 CONFIGURE_LOG=	config.err
-USES=		gmake pkgconfig perl5 tar:bzip2
+USES=	cpe	gmake pkgconfig perl5 tar:bzip2
 USE_LDCONFIG=	${PREFIX}/lib/ffmpeg${FFMPEG_SUFFIX}
 USE_PERL5=	build
 WANT_SDL=	yes