m4-ccas
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上传日期:2022-08-06
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- #!/bin/sh
- #
- # A helper script for Makeasm.am .asm.lo rule.
- # Copyright 2001 Free Software Foundation, Inc.
- #
- # This file is part of the GNU MP Library.
- #
- # The GNU MP Library is free software; you can redistribute it and/or modify
- # it under the terms of the GNU Lesser General Public License as published by
- # the Free Software Foundation; either version 3 of the License, or (at your
- # option) any later version.
- #
- # The GNU MP Library 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 Lesser General Public
- # License for more details.
- #
- # You should have received a copy of the GNU Lesser General Public License
- # along with the GNU MP Library. If not, see http://www.gnu.org/licenses/.
- # Usage: m4-ccas --m4=M4 CC ... file.asm ...
- #
- # Process file.asm with the given M4 plus any -D arguments, then
- # assemble with the given CC plus all arguments.
- #
- # The M4 command must be in a single --m4= argument, and will be split
- # on whitespace. When CC is invoked file.asm is replaced with a
- # temporary .s file which is the M4 output.
- #
- # To allow parallel builds, the temp file name is based on the .asm
- # file name, which will be the output object filename for all uses we
- # put this script to.
- M4=
- CC=
- DEFS=
- ASM=
- SEEN_O=no
- for i in "$@"; do
- case $i in
- --m4=*)
- M4=`echo "$i" | sed 's/^--m4=//'`
- ;;
- -D*)
- DEFS="$DEFS $i"
- CC="$CC $i"
- ;;
- *.asm)
- if test -n "$ASM"; then
- echo "Only one .asm file permitted"
- exit 1
- fi
- BASENAME=`echo "$i" | sed -e 's/.asm$//' -e 's/^.*[\/:]//'`
- TMP=tmp-$BASENAME.s
- ASM=$i
- CC="$CC $TMP"
- ;;
- -o)
- SEEN_O=yes
- CC="$CC $i"
- ;;
- *)
- CC="$CC $i"
- ;;
- esac
- done
- if test -z "$M4"; then
- echo "No --m4 specified"
- exit 1
- fi
- if test -z "$ASM"; then
- echo "No .asm specified"
- exit 1
- fi
- # Libtool adds it's own -o when sending output to .libs/foo.o, but not
- # when just wanting foo.o in the current directory. We need an
- # explicit -o in both cases since we're assembling tmp-foo.s.
- #
- if test $SEEN_O = no; then
- CC="$CC -o $BASENAME.o"
- fi
- echo "$M4 $DEFS $ASM >$TMP"
- $M4 $DEFS $ASM >$TMP || exit
- echo "$CC"
- $CC || exit
- # Comment this out to preserve .s intermediates
- rm -f $TMP