--- libcruft/mkf77def.in~	Sat Oct 28 08:19:17 2006
+++ libcruft/mkf77def.in	Wed Jun 27 16:17:36 2007
@@ -1,6 +1,6 @@
 #! /bin/sh
 
-SED=${SED:-'sed'}
+SED=gsed
 AWK=${AWK:-'awk'}
 
 F77_TOLOWER=%F77_APPEND_UNDERSCORE%