--- f77demo/configure.old	2005-02-12 13:26:51.000000000 +0100
+++ f77demo/configure	2005-03-22 17:34:42.177111583 +0100
@@ -3518,7 +3518,7 @@
         -lkernel32)
           test x"$CYGWIN" != xyes && ac_cv_f77_libs="$ac_cv_f77_libs $ac_arg"
           ;;
-        -[LRuY])
+        -[LRuYz])
           # These flags, when seen by themselves, take an argument.
           # We remove the space between option and argument and re-iterate
           # unless we find an empty arg or a new option (starting with -)
@@ -3566,6 +3566,9 @@
 fi
 
           ;;
+	  -zallextract*| -zdefaultextract)
+	    ac_cv_f77_libs="$ac_cv_f77_libs $ac_arg"
+	  ;;
           # Ignore everything else.
   esac
 done