Index: Makefile
===================================================================
--- Makefile	(revision 456022)
+++ Makefile	(working copy)
@@ -36,6 +36,11 @@
 CONFIGURE_ENV+=	CCPIC=-fPIC
 .endif
 
+post-patch:
+.if ${ARCH} == "mips64"
+	@${REINPLACE_CMD} -e 's|__sgi|__unix__|' ${WRKSRC}/configure
+.endif
+
 post-install:
 	${STRIP_CMD} ${STAGEDIR}${PREFIX}/lib/lib*.so