Index: fortran.m4
===================================================================
RCS file: /cvs/autoconf/lib/autoconf/fortran.m4,v
retrieving revision 1.173
diff -u -r1.173 fortran.m4
--- fortran.m4	30 Sep 2003 13:03:01 -0000	1.173
+++ fortran.m4	2 Oct 2003 19:29:56 -0000
@@ -1150,7 +1150,7 @@
 [AC_LANG_PUSH(Fortran)dnl
 ac_cv_fc_freeform=unknown
 ac_fc_freeform_FCFLAGS_save=$FCFLAGS
-for ac_flag in none -free -freeform -ffree-form -qfree -Mfree -Mfreeform -FR; do
+for ac_flag in none -free -freeform -ffree-form -qfree -Mfree -Mfreeform -FR -f; do
   test "x$ac_flag" != xnone && FCFLAGS="$ac_fc_freeform_FCFLAGS_save $ac_flag"
   AC_COMPILE_IFELSE([
   program freeform
@@ -1165,7 +1165,7 @@
 AC_LANG_POP(Fortran)dnl
 ])
 if test "x$ac_cv_fc_freeform" = xunknown; then
-  m4_default([$2],[AC_MSG_ERROR([Fortran does not accept free-form source])])
+  m4_default([$2],[AC_MSG_ERROR([Fortran does not accept free-form source],77)])
 else
   if test "x$ac_cv_fc_freeform" != xnone; then
     FCFLAGS="$FCFLAGS $ac_cv_fc_freeform"