110 lines
2.8 KiB
Bash
110 lines
2.8 KiB
Bash
#!/bin/sh
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#
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# A helper script for Makeasm.am .S.lo rule.
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# Copyright 2001 Free Software Foundation, Inc.
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#
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# This file is part of the GNU MP Library.
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#
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# The GNU MP Library is free software; you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published by
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# the Free Software Foundation; either version 2.1 of the License, or (at your
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# option) any later version.
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#
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# The GNU MP Library is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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# License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with the GNU MP Library; see the file COPYING.LIB. If not, write to
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# the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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# MA 02110-1301, USA.
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# Usage: cpp-cc --cpp=CPP CC ... file.S ...
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#
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# Process file.S with the given CPP command plus any -D options in the
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# rest of the arguments, then assemble with the given CC plus all
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# arguments.
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#
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# The CPP command must be in a single --cpp= argument, and will be
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# split on whitespace. It should include -I options required.
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#
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# When CC is invoked, file.S is replaced with a temporary .s file
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# which is the CPP output.
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#
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# Any lines starting with "#" are removed from the CPP output, usually
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# these will be #line and #file markers from CPP, but they might also
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# be comments from the .S.
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#
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# To allow parallel builds, the temp file name is based on the .S file
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# name, which will be the output object filename for all uses we put
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# this script to.
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CPP=
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CPPDEFS=
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CC=
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S=
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SEEN_O=no
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for i in "$@"; do
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case $i in
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--cpp=*)
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CPP=`echo "$i" | sed 's/^--cpp=//'`
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;;
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-D*)
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CPPDEFS="$CPPDEFS $i"
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CC="$CC $i"
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;;
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*.S)
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if test -n "$S"; then
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echo "Only one .S file permitted"
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exit 1
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fi
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BASENAME=`echo "$i" | sed -e 's/\.S$//' -e 's/^.*[\\/:]//'`
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S=$i
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TMP_I=tmp-$BASENAME.i
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TMP_S=tmp-$BASENAME.s
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CC="$CC $TMP_S"
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;;
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-o)
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SEEN_O=yes
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CC="$CC $i"
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;;
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*)
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CC="$CC $i"
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;;
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esac
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done
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if test -z "$CPP"; then
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echo "No --cpp specified"
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exit 1
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fi
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if test -z "$S"; then
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echo "No .S specified"
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exit 1
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fi
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# Libtool adds it's own -o when sending output to .libs/foo.o, but not
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# when just wanting foo.o in the current directory. We need an
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# explicit -o in both cases since we're assembling tmp-foo.s.
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#
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if test $SEEN_O = no; then
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CC="$CC -o $BASENAME.o"
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fi
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echo "$CPP $CPPDEFS $S >$TMP_I"
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$CPP $CPPDEFS $S >$TMP_I || exit
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echo "grep -v '^#' $TMP_I >$TMP_S"
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grep -v '^#' $TMP_I >$TMP_S
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echo "$CC"
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$CC || exit
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# Comment this out to preserve .s intermediates
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rm -f $TMP
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