buildtools/legacy/autoconf/autoupdate.sh
Ingo Weinhold c62c4a49d7 Copying autoconf 2.13 into the legacy part of the trunk.
git-svn-id: file:///srv/svn/repos/haiku/buildtools/trunk@15332 a95241bf-73f2-0310-859d-f6bbb57e9c96
2005-12-05 13:23:14 +00:00

114 lines
3.1 KiB
Bash

#! @SHELL@
# autoupdate - modernize a configure.in
# Copyright (C) 1994 Free Software Foundation, Inc.
# This program 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.
# This program 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 this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
# 02111-1307, USA.
# If given no args, update `configure.in';
# With one arg, write on the standard output from the given template file.
#
# Written by David MacKenzie <djm@gnu.ai.mit.edu>
usage="\
Usage: autoupdate [-h] [--help] [-m dir] [--macrodir=dir]
[--version] [template-file]"
sedtmp=/tmp/acups.$$
# For debugging.
#sedtmp=/tmp/acups
show_version=no
test -z "${AC_MACRODIR}" && AC_MACRODIR=@datadir@
while test $# -gt 0 ; do
case "${1}" in
-h | --help | --h* )
echo "${usage}" 1>&2; exit 0 ;;
--macrodir=* | --m*=* )
AC_MACRODIR="`echo \"${1}\" | sed -e 's/^[^=]*=//'`"
shift ;;
-m | --macrodir | --m* )
shift
test $# -eq 0 && { echo "${usage}" 1>&2; exit 1; }
AC_MACRODIR="${1}"
shift ;;
--version | --versio | --versi | --vers)
show_version=yes; shift ;;
-- ) # Stop option processing
shift; break ;;
- ) # Use stdin as input.
break ;;
-* )
echo "${usage}" 1>&2; exit 1 ;;
* )
break ;;
esac
done
if test $show_version = yes; then
version=`sed -n 's/define.AC_ACVERSION.[ ]*\([0-9.]*\).*/\1/p' \
$AC_MACRODIR/acgeneral.m4`
echo "Autoconf version $version"
exit 0
fi
: ${SIMPLE_BACKUP_SUFFIX='~'}
tmpout=acupo.$$
trap 'rm -f $sedtmp $tmpout; exit 1' 1 2 15
case $# in
0) infile=configure.in; out="> $tmpout"
# Make sure $infile can be read, and $tmpout has the same permissions.
cp $infile $tmpout || exit
# Make sure $infile can be written.
if test ! -w $infile; then
rm -f $tmpout
echo "$0: $infile: cannot write" >&2
exit 1
fi
;;
1) infile="$1"; out= ;;
*) echo "$usage" >&2; exit 1 ;;
esac
# Turn the m4 macro file into a sed script.
# For each old macro name, make one substitution command to replace it
# at the end of a line, and one when followed by ( or whitespace.
# That is easier than splitting the macros up into those that take
# arguments and those that don't.
sed -n -e '
/^AC_DEFUN(/ {
s//s%/
s/, *\[indir(\[/$%/
s/\].*/%/
p
s/\$//
s/%/^/
s/%/\\([( ]\\)^/
s/%/\\1^/
s/\^/%/g
p
}' ${AC_MACRODIR}/acoldnames.m4 > $sedtmp
eval sed -f $sedtmp $infile $out
case $# in
0) mv configure.in configure.in${SIMPLE_BACKUP_SUFFIX} &&
mv $tmpout configure.in ;;
esac
rm -f $sedtmp $tmpout
exit 0