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 $# -eq 0; then
144  exec 4> configure; chmod +x configure
145else
146  exec 4>&1
147fi
148
149# Put the real line numbers into configure to make config.log more helpful.
150$AWK '
151/__oline__/ { printf "%d:", NR + 1 }
152           { print }
153' $tmpout | sed '
154/__oline__/s/^\([0-9][0-9]*\):\(.*\)__oline__/\2\1/
155' >&4
156
157rm -f $tmpout
158
159exit $status
160