gecko-dev/build/autoconf/autoconf.sh

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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