1#! @SHELL@ 2# autoconf -- create `configure' using m4 macros 3# Copyright (C) 1992, 1993, 1994, 1996 Free Software Foundation, Inc. 4 5# This program is free software; you can redistribute it and/or modify 6# it under the terms of the GNU General Public License as published by 7# the Free Software Foundation; either version 2, or (at your option) 8# any later version. 9 10# This program is distributed in the hope that it will be useful, 11# but WITHOUT ANY WARRANTY; without even the implied warranty of 12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13# GNU General Public License for more details. 14 15# You should have received a copy of the GNU General Public License 16# along with this program; if not, write to the Free Software 17# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 18# 02111-1307, USA. 19 20# If given no args, create `configure' from template file `configure.in'. 21# With one arg, create a configure script on standard output from 22# the given template file. 23 24usage="\ 25Usage: autoconf [-h] [--help] [-m dir] [--macrodir=dir] 26 [-l dir] [--localdir=dir] [--version] [template-file]" 27 28# NLS nuisances. 29# Only set these to C if already set. These must not be set unconditionally 30# because not all systems understand e.g. LANG=C (notably SCO). 31# Fixing LC_MESSAGES prevents Solaris sh from translating var values in `set'! 32# Non-C LC_CTYPE values break the ctype check. 33if test "${LANG+set}" = set; then LANG=C; export LANG; fi 34if test "${LC_ALL+set}" = set; then LC_ALL=C; export LC_ALL; fi 35if test "${LC_MESSAGES+set}" = set; then LC_MESSAGES=C; export LC_MESSAGES; fi 36if test "${LC_CTYPE+set}" = set; then LC_CTYPE=C; export LC_CTYPE; fi 37 38: ${AC_MACRODIR=@datadir@} 39: ${M4=@M4@} 40: ${AWK=@AWK@} 41case "${M4}" in 42/*) # Handle the case that m4 has moved since we were configured. 43 # It may have been found originally in a build directory. 44 test -f "${M4}" || M4=m4 ;; 45esac 46 47: ${TMPDIR=/tmp} 48tmpout=${TMPDIR}/acout.$$ 49localdir= 50show_version=no 51 52while test $# -gt 0 ; do 53 case "${1}" in 54 -h | --help | --h* ) 55 echo "${usage}" 1>&2; exit 0 ;; 56 --localdir=* | --l*=* ) 57 localdir="`echo \"${1}\" | sed -e 's/^[^=]*=//'`" 58 shift ;; 59 -l | --localdir | --l*) 60 shift 61 test $# -eq 0 && { echo "${usage}" 1>&2; exit 1; } 62 localdir="${1}" 63 shift ;; 64 --macrodir=* | --m*=* ) 65 AC_MACRODIR="`echo \"${1}\" | sed -e 's/^[^=]*=//'`" 66 shift ;; 67 -m | --macrodir | --m* ) 68 shift 69 test $# -eq 0 && { echo "${usage}" 1>&2; exit 1; } 70 AC_MACRODIR="${1}" 71 shift ;; 72 --version | --v* ) 73 show_version=yes; shift ;; 74 -- ) # Stop option processing 75 shift; break ;; 76 - ) # Use stdin as input. 77 break ;; 78 -* ) 79 echo "${usage}" 1>&2; exit 1 ;; 80 * ) 81 break ;; 82 esac 83done 84 85if test $show_version = yes; then 86 version=`sed -n 's/define.AC_ACVERSION.[ ]*\([0-9.]*\).*/\1/p' \ 87 $AC_MACRODIR/acgeneral.m4` 88 echo "Autoconf version $version" 89 exit 0 90fi 91 92case $# in 93 0) infile=configure.in ;; 94 1) infile="$1" ;; 95 *) echo "$usage" >&2; exit 1 ;; 96esac 97 98trap 'rm -f $tmpin $tmpout; exit 1' 1 2 15 99 100tmpin=${TMPDIR}/acin.$$ # Always set this, to avoid bogus errors from some rm's. 101if test z$infile = z-; then 102 infile=$tmpin 103 cat > $infile 104elif test ! -r "$infile"; then 105 echo "autoconf: ${infile}: No such file or directory" >&2 106 exit 1 107fi 108 109if test -n "$localdir"; then 110 use_localdir="-I$localdir -DAC_LOCALDIR=$localdir" 111else 112 use_localdir= 113fi 114 115# Use the frozen version of Autoconf if available. 116r= f= 117# Some non-GNU m4's don't reject the --help option, so give them /dev/null. 118case `$M4 --help < /dev/null 2>&1` in 119*reload-state*) test -r $AC_MACRODIR/autoconf.m4f && { r=--reload f=f; } ;; 120*traditional*) ;; 121*) echo Autoconf requires GNU m4 1.1 or later >&2; rm -f $tmpin; exit 1 ;; 122esac 123 124$M4 -I$AC_MACRODIR $use_localdir $r autoconf.m4$f $infile > $tmpout || 125 { rm -f $tmpin $tmpout; exit 2; } 126 127# You could add your own prefixes to pattern if you wanted to check for 128# them too, e.g. pattern='\(AC_\|ILT_\)', except that UNIX sed doesn't do 129# alternation. 130pattern="AC_" 131 132status=0 133if grep "^[^#]*${pattern}" $tmpout > /dev/null 2>&1; then 134 echo "autoconf: Undefined macros:" >&2 135 sed -n "s/^[^#]*\\(${pattern}[_A-Za-z0-9]*\\).*/\\1/p" $tmpout | 136 while read macro; do 137 grep -n "^[^#]*$macro" $infile /dev/null 138 test $? -eq 1 && echo >&2 "***BUG in Autoconf--please report*** $macro" 139 done | sort -u >&2 140 status=1 141fi 142 143if test $# -eq 0; then 144 echo "This case should not be reached." 145 exit 1 146fi 147 148# Put the real line numbers into the output to make config.log more helpful. 149$AWK ' 150/__oline__/ { printf "%d:", NR + 1 } 151 { print } 152' $tmpout | sed ' 153/__oline__/s/^\([0-9][0-9]*\):\(.*\)__oline__/\2\1/ 154' 155 156rm -f $tmpout 157 158exit $status 159