2 # autoconf -- create `configure' using m4 macros
3 # Copyright (C) 1992, 1993, 1994, 1996 Free Software Foundation, Inc.
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)
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.
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
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.
25 Usage: autoconf [-h] [--help] [-m dir] [--macrodir=dir]
26 [-l dir] [--localdir=dir] [--version] [template-file]"
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.
33 if test "${LANG+set}" = set; then LANG=C; export LANG; fi
34 if test "${LC_ALL+set}" = set; then LC_ALL=C; export LC_ALL; fi
35 if test "${LC_MESSAGES+set}" = set; then LC_MESSAGES=C; export LC_MESSAGES; fi
36 if test "${LC_CTYPE+set}" = set; then LC_CTYPE=C; export LC_CTYPE; fi
38 : ${AC_MACRODIR=/usr/share/autoconf}
42 /*) # Handle the case that m4 has moved since we were configured.
43 # It may have been found originally in a build directory.
44 test -f "${M4}" || M4=m4 ;;
48 tmpout=${TMPDIR}/acout.$$
52 while test $# -gt 0 ; do
55 echo "${usage}" 1>&2; exit 0 ;;
56 --localdir=* | --l*=* )
57 localdir="`echo \"${1}\" | sed -e 's/^[^=]*=//'`"
59 -l | --localdir | --l*)
61 test $# -eq 0 && { echo "${usage}" 1>&2; exit 1; }
64 --macrodir=* | --m*=* )
65 AC_MACRODIR="`echo \"${1}\" | sed -e 's/^[^=]*=//'`"
67 -m | --macrodir | --m* )
69 test $# -eq 0 && { echo "${usage}" 1>&2; exit 1; }
73 show_version=yes; shift ;;
74 -- ) # Stop option processing
76 - ) # Use stdin as input.
79 echo "${usage}" 1>&2; exit 1 ;;
85 if 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 $version"
93 0) infile=configure.in ;;
95 *) echo "$usage" >&2; exit 1 ;;
98 trap 'rm -f $tmpin $tmpout; exit 1' 1 2 15
100 tmpin=${TMPDIR}/acin.$$ # Always set this, to avoid bogus errors from some rm's.
101 if test z$infile = z-; then
104 elif test ! -r "$infile"; then
105 echo "autoconf: ${infile}: No such file or directory" >&2
109 if test -n "$localdir"; then
110 use_localdir="-I$localdir -DAC_LOCALDIR=$localdir"
115 # Use the frozen version of Autoconf if available.
117 # Some non-GNU m4's don't reject the --help option, so give them /dev/null.
118 case `$M4 --help < /dev/null 2>&1` in
119 *reload-state*) test -r $AC_MACRODIR/autoconf.m4f && { r=--reload f=f; } ;;
121 *) echo Autoconf requires GNU m4 1.1 or later >&2; rm -f $tmpin; exit 1 ;;
124 $M4 -I$AC_MACRODIR $use_localdir $r autoconf.m4$f $infile > $tmpout ||
125 { rm -f $tmpin $tmpout; exit 2; }
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
133 if 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" $tmpout |
137 grep -n "^[^#]*$macro" $infile /dev/null
138 test $? -eq 1 && echo >&2 "***BUG in Autoconf--please report*** $macro"
143 if test $# -eq 0; then
144 exec 4> configure; chmod +x configure
149 # Put the real line numbers into configure to make config.log more helpful.
151 /__oline__/ { printf "%d:", NR + 1 }
154 /__oline__/s/^\([0-9][0-9]*\):\(.*\)__oline__/\2\1/