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- #! /bin/sh
- # autoconf -- create `configure' using m4 macros
- # Copyright (C) 1992, 1993, 1994, 1996 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., 675 Mass Ave, Cambridge, MA 02139, USA.
-
- # If given no args, create `configure' from template file `configure.in'.
- # With one arg, create a configure script on standard output from
- # the given template file.
-
- usage="\
- Usage: autoconf [-h] [--help] [-m dir] [--macrodir=dir]
- [-l dir] [--localdir=dir] [--version] [template-file]"
-
- # NLS nuisances.
- # Only set `LANG' and `LC_ALL' to "C" if already set.
- # These must not be set unconditionally because not all systems understand
- # e.g. LANG=C (notably SCO).
- if test "${LC_ALL+set}" = set; then LC_ALL=C; export LC_ALL; fi
- if test "${LANG+set}" = set; then LANG=C; export LANG; fi
-
- : ${AC_MACRODIR=@datadir@}
- : ${M4=@M4@}
- : ${AWK=@AWK@}
- case "${M4}" in
- /*) # Handle the case that m4 has moved since we were configured.
- # It may have been found originally in a build directory.
- test -f "${M4}" || M4=m4 ;;
- esac
-
- : ${TMPDIR=/tmp}
- tmpout=${TMPDIR}/acout.$$
- localdir=
- show_version=no
-
- while test $# -gt 0 ; do
- case "${1}" in
- -h | --help | --h* )
- echo "${usage}" 1>&2; exit 0 ;;
- --localdir=* | --l*=* )
- localdir="`echo \"${1}\" | sed -e 's/^[^=]*=//'`"
- shift ;;
- -l | --localdir | --l*)
- shift
- test $# -eq 0 && { echo "${usage}" 1>&2; exit 1; }
- localdir="${1}"
- shift ;;
- --macrodir=* | --m*=* )
- AC_MACRODIR="`echo \"${1}\" | sed -e 's/^[^=]*=//'`"
- shift ;;
- -m | --macrodir | --m* )
- shift
- test $# -eq 0 && { echo "${usage}" 1>&2; exit 1; }
- AC_MACRODIR="${1}"
- shift ;;
- --version | --v* )
- show_version=yes; shift ;;
- -- ) # Stop option processing
- shift; break ;;
- - ) # Use stdin as input.
- break ;;
- -* )
- echo "${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
-
- case $# in
- 0) infile=configure.in ;;
- 1) infile="$1" ;;
- *) echo "$usage" >&2; exit 1 ;;
- esac
-
- trap 'rm -f $tmpin $tmpout; exit 1' 1 2 15
-
- tmpin=${TMPDIR}/acin.$$ # Always set this, to avoid bogus errors from some rm's.
- if test z$infile = z-; then
- infile=$tmpin
- cat > $infile
- elif test ! -r "$infile"; then
- echo "autoconf: ${infile}: No such file or directory" >&2
- exit 1
- fi
-
- if test -n "$localdir"; then
- use_localdir="-I$localdir -DAC_LOCALDIR=$localdir"
- else
- use_localdir=
- fi
-
- # Use the frozen version of Autoconf if available.
- r= f=
- # Some non-GNU m4's don't reject the --help option, so give them /dev/null.
- case `$M4 --help < /dev/null 2>&1` in
- *reload-state*) test -r $AC_MACRODIR/autoconf.m4f && { r=--reload f=f; } ;;
- *traditional*) ;;
- *) echo Autoconf requires GNU m4 1.1 or later >&2; rm -f $tmpin; exit 1 ;;
- esac
-
- $M4 -I$AC_MACRODIR $use_localdir $r autoconf.m4$f $infile > $tmpout ||
- { rm -f $tmpin $tmpout; exit 2; }
-
- # You could add your own prefixes to pattern if you wanted to check for
- # them too, e.g. pattern="AC_\|ILT_", except that UNIX sed doesn't do
- # alternation.
- pattern="AC_"
-
- status=0
- if grep "^[^#]*${pattern}" $tmpout > /dev/null 2>&1; then
- echo "autoconf: Undefined macros:" >&2
- sed -n "s/^[^#]*\\(${pattern}[_A-Za-z0-9]*\\).*/\\1/p" $tmpout |
- while read macro; do
- grep -n "^[^#]*$macro" $infile /dev/null
- test $? -eq 1 && echo >&2 "***BUG in Autoconf--please report*** $macro"
- done | sort -u >&2
- status=1
- fi
-
- if test $# -eq 0; then
- exec 4> configure; chmod +x configure
- else
- exec 4>&1
- fi
-
- # Put the real line numbers into configure to make config.log more helpful.
- $AWK '
- /__oline__/ { printf "%d:", NR + 1 }
- { print }
- ' $tmpout | sed '
- /__oline__/s/^\([0-9][0-9]*\):\(.*\)__oline__/\2\1/
- ' >&4
-
- rm -f $tmpout
-
- exit $status
-