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#! @SHELL@

# 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., 59 Temple Place - Suite 330, Boston, MA

# 02111-1307, 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 these to C if already set.  These must not be set unconditionally

# because not all systems understand e.g. LANG=C (notably SCO).

# Fixing LC_MESSAGES prevents Solaris sh from translating var values in `set'!

# Non-C LC_CTYPE values break the ctype check.

if test "${LANG+set}"   = set; then LANG=C;   export LANG;   fi

if test "${LC_ALL+set}" = set; then LC_ALL=C; export LC_ALL; fi

if test "${LC_MESSAGES+set}" = set; then LC_MESSAGES=C; export LC_MESSAGES; fi

if test "${LC_CTYPE+set}"    = set; then LC_CTYPE=C;    export LC_CTYPE;    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

  echo "This case should not be reached."

  exit 1

fi

# Put the real line numbers into the output to make config.log more helpful.

$AWK '

/__oline__/ { printf "%d:", NR + 1 }

           { print }

' $tmpout | sed '

/__oline__/s/^\([0-9][0-9]*\):\(.*\)__oline__/\2\1/

rm -f $tmpout

exit $status