Fix build on sparc64 with gcc2.

audio/libmad/Makefile

@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.7 2004/03/01 15:54:45 adam Exp $
+# $NetBSD: Makefile,v 1.8 2004/03/20 03:00:47 snj Exp $
 #
 
 DISTNAME=	libmad-0.15.1b
@@ -16,6 +16,9 @@ USE_BUILDLINK3=		YES
 GNU_CONFIGURE=		YES
 USE_LIBTOOL=		YES
 
+# Avoid an ICE in gcc2 on sparc64
+CONFIGURE_ENV+=		F77=${FALSE}
+
 post-build:
 	${SED}	-e 's,@PREFIX@,${PREFIX},g'			\
 		-e 's,@VERSION@,${PKGVERSION},g'		\