--- Makefile	(revision 529942)
+++ Makefile	(working copy)
@@ -22,6 +22,8 @@ 
 USES=		compiler:c11 cpe jpeg ssl xorg zip
 USE_XORG=	x11 xau xdmcp xext xinerama xrandr xscrnsaver xxf86vm
 
+EXTRACT_AFTER_ARGS=	-x */zlib/* -x */tiff/* -x */png/* -x */jpeg/*
+
 post-patch:
 	@${REINPLACE_CMD} 's:711:755:g' ${WRKSRC}/Jambase