#! /bin/sh
-# Copyright (C) 2001, 2002 Free Software Foundation, Inc.
+# Copyright (C) 2001, 2002, 2006, 2007, 2010, 2011
+# Free Software Foundation, Inc.
# This file is part of GCC.
# GCC 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)
+# the Free Software Foundation; either version 3, or (at your option)
# any later version.
# GCC is distributed in the hope that it will be useful,
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
-# along with GCC; see the file COPYING. If not, write to
-# the Free Software Foundation, 59 Temple Place - Suite 330,
-# Boston MA 02111-1307, USA.
+# along with GCC; see the file COPYING3. If not see
+# <http://www.gnu.org/licenses/>.
# Generate gcc's various configuration headers:
-# config.h, tconfig.h, bconfig.h, tm.h, and tm_p.h.
+# config.h, tconfig.h, bconfig.h, tm.h, libgcc_tm.h, and tm_p.h.
# $1 is the file to generate. DEFINES, HEADERS, and possibly
# TARGET_CPU_DEFAULT are expected to be set in the environment.
echo "#ifndef ${header_guard}" >> ${output}T
echo "#define ${header_guard}" >> ${output}T
+# A special test to ensure that build-time files don't blindly use
+# config.h.
+if test x"$output" = x"config.h"; then
+ echo "#ifdef GENERATOR_FILE" >> ${output}T
+ echo "#error config.h is for the host, not build, machine." >> ${output}T
+ echo "#endif" >> ${output}T
+fi
+
# Define TARGET_CPU_DEFAULT if the system wants one.
# This substitutes for lots of *.h files.
if [ "$TARGET_CPU_DEFAULT" != "" ]; then
# The first entry in HEADERS may be auto-FOO.h ;
# it wants to be included even when not -DIN_GCC.
+# Postpone including defaults.h until after the insn-*
+# headers, so that the HAVE_* flags are available
+# when defaults.h gets included.
+postpone_defaults_h="no"
if [ -n "$HEADERS" ]; then
set $HEADERS
case "$1" in auto-* )
if [ $# -ge 1 ]; then
echo '#ifdef IN_GCC' >> ${output}T
for file in "$@"; do
- echo "# include \"$file\"" >> ${output}T
+ if test x"$file" = x"defaults.h"; then
+ postpone_defaults_h="yes"
+ else
+ echo "# include \"$file\"" >> ${output}T
+ fi
done
echo '#endif' >> ${output}T
fi
fi
-# If this is tm.h, now include insn-constants.h and insn-flags.h only
-# if IN_GCC is defined but neither GENERATOR_FILE nor USED_FOR_TARGET
-# is defined. (Much of this is temporary.)
+# If this is tm.h, now include insn-flags.h only if IN_GCC is defined
+# but neither GENERATOR_FILE nor USED_FOR_TARGET is defined. Also
+# include libgcc_tm.h if USED_FOR_TARGET is defined. (Much of this is
+# temporary.)
case $output in
tm.h )
cat >> ${output}T <<EOF
#if defined IN_GCC && !defined GENERATOR_FILE && !defined USED_FOR_TARGET
-# include "insn-constants.h"
# include "insn-flags.h"
#endif
+#ifdef USED_FOR_TARGET
+# include "libgcc_tm.h"
+#endif
EOF
;;
esac
+# If we postponed including defaults.h, add the #include now.
+if test x"$postpone_defaults_h" = x"yes"; then
+ echo "# include \"defaults.h\"" >> ${output}T
+fi
+
# Add multiple inclusion protection guard, part two.
echo "#endif /* ${header_guard} */" >> ${output}T