1 files changed, 100 insertions, 0 deletions
diff --git a/gcc/f/config-lang.in b/gcc/f/config-lang.in
new file mode 100644
index 00000000000..74626241d8c
--- /dev/null
+++ b/gcc/f/config-lang.in
@@ -0,0 +1,100 @@
+# Top level configure fragment for GNU FORTRAN.
+#   Copyright (C) 1995-1997 Free Software Foundation, Inc.
+
+#This file is part of GNU Fortran.
+
+#GNU Fortran is free software; you can redistribute it and/or modify
+#it under the terms of the GNU General Public License as published by
+#the Free Software Foundation; either version 2, or (at your option)
+#any later version.
+
+#GNU Fortran is distributed in the hope that it will be useful,
+#but WITHOUT ANY WARRANTY; without even the implied warranty of
+#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#GNU General Public License for more details.
+
+#You should have received a copy of the GNU General Public License
+#along with GNU Fortran; see the file COPYING.  If not, write to
+#the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+#02111-1307, USA.
+
+# Configure looks for the existence of this file to auto-config each language.
+# We define several parameters used by configure:
+#
+# language	- name of language as it would appear in $(LANGUAGES)
+# compilers	- value to add to $(COMPILERS)
+# stagestuff	- files to add to $(STAGESTUFF)
+# diff_excludes	- files to ignore when building diffs between two versions.
+
+if grep DECL_STATIC_CONSTRUCTOR $srcdir/tree.h >/dev/null; then
+   if grep flag_move_all_movables $srcdir/toplev.c >/dev/null; then true
+   else
+      echo "You haven't applied the patches to the GCC 2.7.x distribution in"
+      echo "$srcdir as described in g77/README.g77 and gcc/f/gbe/README."
+      echo ""
+      exit 1
+   fi
+else
+   if grep put_pending_sizes $srcdir/stor-layout.c >/dev/null; then true
+   else
+      echo "You haven't applied the patches to the GCC 2.6.x distribution in"
+      echo "$srcdir as described in g77/README.g77 and gcc/f/gbe/README."
+      echo ""
+      exit 1
+   fi
+fi
+
+language="f77"
+
+compilers="f771\$(exeext)"
+
+case "$arguments" in
+# *--enable-f2c* | *-enable-f2c*)
+#   echo "f77: enabling f2c."
+#  stagestuff="g77 g77-cross f771 libf2c.a f2c fc" ;;
+#  stagestuff="g77 g77-cross f771 libf2c.a f2c" ;;
+*)
+  stagestuff="g77\$(exeext) g77-cross\$(exeext) f771\$(exeext) libf2c.a" ;;
+esac
+
+diff_excludes="-x \"f/g77.info*\""
+
+# Create the runtime library directory tree if necessary.
+test -d f || mkdir f
+test -d f/runtime || mkdir f/runtime
+test -d f/runtime/libF77 || mkdir f/runtime/libF77
+test -d f/runtime/libI77 || mkdir f/runtime/libI77
+test -d f/runtime/libU77 || mkdir f/runtime/libU77
+
+# Need to make top-level stageN directory trees, else if needed
+# later by gcc/Makefile, it'll make only the first levels and
+# the language subdirectory levels, not the runtime stuff.
+for stageN in stage1 stage2 stage3 stage4
+do
+	test -d $stageN || mkdir $stageN
+	test -d $stageN/f || mkdir $stageN/f
+	test -d $stageN/f/runtime || mkdir $stageN/f/runtime
+	test -d $stageN/f/runtime/libF77 || mkdir $stageN/f/runtime/libF77
+	test -d $stageN/f/runtime/libI77 || mkdir $stageN/f/runtime/libI77
+	test -d $stageN/f/runtime/libU77 || mkdir $stageN/f/runtime/libU77
+done
+
+# Make links into top-level stageN from target trees.
+for stageN in stage1 stage2 stage3 stage4 include
+do
+	$remove -f f/$stageN f/runtime/$stageN f/runtime/libF77/$stageN \
+		f/runtime/libI77/$stageN f/runtime/libU77/$stageN
+	(cd f; $symbolic_link ../$stageN . 2>/dev/null)
+	(cd f/runtime; $symbolic_link ../$stageN . 2>/dev/null)
+	(cd f/runtime/libF77; $symbolic_link ../$stageN . 2>/dev/null)
+	(cd f/runtime/libI77; $symbolic_link ../$stageN . 2>/dev/null)
+	(cd f/runtime/libU77; $symbolic_link ../$stageN . 2>/dev/null)
+done
+
+case "$srcdir" in
+.) ;;
+*) echo
+   echo "Building f77 outside the source directory is likely to not work"
+   echo "unless you are using GNU make or a compatible VPATH mechanism."
+   echo ;;
+esac