mirror of
git://git.sv.gnu.org/autoconf
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128 lines
3.7 KiB
Bash
128 lines
3.7 KiB
Bash
#!/bin/sh
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# autoconf -- create `configure' using m4 macros
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# Copyright (C) 1992, 1993, 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., 675 Mass Ave, Cambridge, MA 02139, USA.
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# If given no args, create `configure' from template file `configure.in'.
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# With one arg, create a configure script on standard output from
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# the given template file.
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usage="\
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Usage: autoconf [-hv] [--help] [-m dir] [--macrodir=dir]
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[--version] [template-file]"
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# NLS nuisances.
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# Only set `LANG' and `LC_ALL' to "C" if already set.
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# These must not be set unconditionally because not all systems understand
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# e.g. LANG=C (notably SCO).
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if test "${LC_ALL+set}" = set; then LC_ALL=C; export LC_ALL; fi
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if test "${LANG+set}" = set; then LANG=C; export LANG; fi
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test -z "${AC_MACRODIR}" && AC_MACRODIR=@datadir@
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test -z "${M4}" && M4=@M4@
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case "${M4}" in
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/*) # Handle the case that m4 has moved since we were configured.
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# It may have been found originally in a build directory.
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test -f "${M4}" || M4=m4 ;;
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esac
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tmpout=/tmp/acout.$$
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print_version=
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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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-v | --version | --v* )
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print_version="-DAC_PRINT_VERSION"
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infile=/dev/null
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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 -z "$print_version"; then
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case $# in
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0) infile=configure.in ;;
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1) infile="$1" ;;
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*) echo "$usage" >&2; exit 1 ;;
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esac
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trap 'rm -f $tmpin $tmpout; exit 1' 1 2 15
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if test z$infile = z-; then
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tmpin=/tmp/acin.$$
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infile=$tmpin
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cat > $infile
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elif test ! -r "${infile}"; then
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echo "autoconf: ${infile}: No such file or directory" >&2
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exit 1
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fi
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fi
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MACROFILES="${AC_MACRODIR}/acgeneral.m4 ${AC_MACRODIR}/acspecific.m4 \
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${AC_MACRODIR}/acoldnames.m4"
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test -r ${AC_MACRODIR}/aclocal.m4 &&
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MACROFILES="${MACROFILES} ${AC_MACRODIR}/aclocal.m4"
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test -r aclocal.m4 && MACROFILES="${MACROFILES} aclocal.m4"
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MACROFILES="${print_version} ${MACROFILES} ${infile}"
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$M4 $MACROFILES > $tmpout || { st=$?; rm -f $tmpin $tmpout; exit $st; }
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if test -n "$print_version"; then
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cat $tmpout
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rm -f $tmpout
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exit 0
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fi
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# You could add your own prefixes to pattern if you wanted to check for
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# them too, e.g. pattern="AC_\|ILT_", except that UNIX sed doesn't do
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# alternation.
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pattern="AC_"
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status=0
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if grep "${pattern}" $tmpout > /dev/null 2>&1; then
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echo "autoconf: Undefined macros:" >&2
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grep "${pattern}" $tmpout | sed "s/.*\(${pattern}[_A-Z0-9]*\).*/\1/" |
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while read name; do
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grep -n $name $infile /dev/null
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done | sort -u >&2
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status=1
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fi
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case $# in
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0) cat $tmpout > configure; chmod +x configure ;;
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1) cat $tmpout ;;
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esac
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rm -f $tmpout
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exit $status
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