From: Steven G. Johnson <stevenj@alum.mit.edu>
Date: Fri, 3 Oct 2003 23:37:56 +0000 (+0000)
Subject: AC_FC_FREEFORM: support -f free flag for Absoft, reorder flags
X-Git-Tag: AUTOCONF-2.57g~24
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e11232b4eb9d0599af914204c396a9f15328612d;p=thirdparty%2Fautoconf.git

AC_FC_FREEFORM: support -f free flag for Absoft, reorder flags
---

diff --git a/ChangeLog b/ChangeLog
index 6f1eaa39..7eeabd74 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2003-10-03  Steven G. Johnson  <stevenj@alum.mit.edu>
+
+	* lib/autoconf/fortran.m4 (AC_FC_FREEFORM): Support Absoft "-f
+	free" flag.  Re-order flags tested into rough order of popularity.
+
 2003-10-03  Steven G. Johnson  <stevenj@alum.mit.edu>
 
 	* lib/autoconf/fortran.m4 (AC_PROG_FC): Reverse the order of the
diff --git a/lib/autoconf/fortran.m4 b/lib/autoconf/fortran.m4
index 8e36e127..af5743fa 100644
--- a/lib/autoconf/fortran.m4
+++ b/lib/autoconf/fortran.m4
@@ -1146,19 +1146,22 @@ fi
 # prevent flag from being added to FCFLAGS multiple times.)
 #
 # The known flags are:
-#              -free: Compaq compiler (fort)
-#          -freeform: SGI compiler
 #        -ffree-form: GNU g77
+#                -FR: Intel compiler (icc, ecc)
+#              -free: Compaq compiler (fort)
 #             -qfree: IBM compiler (xlf)
 # -Mfree, -Mfreeform: Portland Group compiler
-#                -FR: Intel compiler (icc, ecc)
+#          -freeform: SGI compiler
+#            -f free: Absoft Fortran
+# We try to test the "more popular" flags first, by some prejudiced
+# notion of popularity.
 AC_DEFUN_ONCE([AC_FC_FREEFORM],
 [AC_CACHE_CHECK([for Fortran flag needed to allow free-form source],
                 ac_cv_fc_freeform,
 [AC_LANG_PUSH(Fortran)dnl
 ac_cv_fc_freeform=unknown
 ac_fc_freeform_FCFLAGS_save=$FCFLAGS
-for ac_flag in none -free -freeform -ffree-form -qfree -Mfree -Mfreeform -FR; do
+for ac_flag in none -ffree-form -FR -free -qfree -Mfree -Mfreeform -freeform "-f free"; do
   test "x$ac_flag" != xnone && FCFLAGS="$ac_fc_freeform_FCFLAGS_save $ac_flag"
   AC_COMPILE_IFELSE([
   program freeform