--- a/components/flex/Makefile	Sun Jul 03 18:09:06 2011 -0700
+++ b/components/flex/Makefile	Sun Jul 03 20:12:28 2011 -0700
@@ -43,6 +43,7 @@
 CONFIGURE_OPTIONS  +=		CFLAGS="$(CFLAGS)"
 CONFIGURE_OPTIONS  +=		CXXFLAGS="$(CXXFLAGS)"
 CONFIGURE_OPTIONS  +=		LDFLAGS="$(LDFLAGS)"
+CONFIGURE_OPTIONS  +=		M4="/usr/gnu/bin/m4"
 
 COMPONENT_BUILD_ENV +=		SONAME="$(SONAME)"
 COMPONENT_INSTALL_ENV +=	SONAME="$(SONAME)"