113 lines
3.1 KiB
Bash
113 lines
3.1 KiB
Bash
#! @SHELL@
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# autoupdate - modernize a configure.in
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# Copyright (C) 1994 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2, or (at your option)
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# any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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# 02111-1307, USA.
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# If given no args, update `configure.in';
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# With one arg, write on the standard output from the given template file.
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#
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# Written by David MacKenzie <djm@gnu.ai.mit.edu>
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usage="\
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Usage: autoupdate [-h] [--help] [-m dir] [--macrodir=dir]
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[--version] [template-file]"
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sedtmp=/tmp/acups.$$
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# For debugging.
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#sedtmp=/tmp/acups
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show_version=no
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test -z "${AC_MACRODIR}" && AC_MACRODIR=@datadir@
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while test $# -gt 0 ; do
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case "${1}" in
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-h | --help | --h* )
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echo "${usage}" 1>&2; exit 0 ;;
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--macrodir=* | --m*=* )
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AC_MACRODIR="`echo \"${1}\" | sed -e 's/^[^=]*=//'`"
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shift ;;
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-m | --macrodir | --m* )
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shift
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test $# -eq 0 && { echo "${usage}" 1>&2; exit 1; }
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AC_MACRODIR="${1}"
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shift ;;
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--version | --versio | --versi | --vers)
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show_version=yes; shift ;;
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-- ) # Stop option processing
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shift; break ;;
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- ) # Use stdin as input.
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break ;;
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-* )
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echo "${usage}" 1>&2; exit 1 ;;
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* )
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break ;;
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esac
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done
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if test $show_version = yes; then
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version=`sed -n 's/define.AC_ACVERSION.[ ]*\([0-9.]*\).*/\1/p' \
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$AC_MACRODIR/acgeneral.m4`
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echo "Autoconf version $version"
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exit 0
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fi
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: ${SIMPLE_BACKUP_SUFFIX='~'}
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tmpout=acupo.$$
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trap 'rm -f $sedtmp $tmpout; exit 1' 1 2 15
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case $# in
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0) infile=configure.in; out="> $tmpout"
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# Make sure $infile can be read, and $tmpout has the same permissions.
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cp $infile $tmpout || exit
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# Make sure $infile can be written.
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if test ! -w $infile; then
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rm -f $tmpout
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echo "$0: $infile: cannot write" >&2
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exit 1
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fi
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;;
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1) infile="$1"; out= ;;
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*) echo "$usage" >&2; exit 1 ;;
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esac
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# Turn the m4 macro file into a sed script.
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# For each old macro name, make one substitution command to replace it
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# at the end of a line, and one when followed by ( or whitespace.
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# That is easier than splitting the macros up into those that take
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# arguments and those that don't.
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sed -n -e '
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/^AC_DEFUN(/ {
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s//s%/
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s/, *\[indir(\[/$%/
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s/\].*/%/
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p
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s/\$//
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s/%/^/
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s/%/\\([( ]\\)^/
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s/%/\\1^/
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s/\^/%/g
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p
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}' ${AC_MACRODIR}/acoldnames.m4 > $sedtmp
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eval sed -f $sedtmp $infile $out
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case $# in
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0) mv configure.in configure.in${SIMPLE_BACKUP_SUFFIX} &&
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mv $tmpout configure.in ;;
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esac
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rm -f $sedtmp $tmpout
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exit 0
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