build/autoconf/autoconf.sh

   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
  24 usage="\
  25 Usage: 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.
  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
  37
  38 : ${AC_MACRODIR=@datadir@}
  39 : ${M4=@M4@}
  40 : ${AWK=@AWK@}
  41 case "${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 ;;
  45 esac
  46
  47 : ${TMPDIR=/tmp}
  48 tmpout=${TMPDIR}/acout.$$
  49 localdir=
  50 show_version=no
  51
  52 while 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
  83 done
  84
  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"
  89   exit 0
  90 fi
  91
  92 case $# in
  93   0) infile=configure.in ;;
  94   1) infile="$1" ;;
  95   *) echo "$usage" >&2; exit 1 ;;
  96 esac
  97
  98 trap 'rm -f $tmpin $tmpout; exit 1' 1 2 15
  99
 100 tmpin=${TMPDIR}/acin.$$ # Always set this, to avoid bogus errors from some rm's.
 101 if test z$infile = z-; then
 102   infile=$tmpin
 103   cat > $infile
 104 elif test ! -r "$infile"; then
 105   echo "autoconf: ${infile}: No such file or directory" >&2
 106   exit 1
 107 fi
 108
 109 if test -n "$localdir"; then
 110   use_localdir="-I$localdir -DAC_LOCALDIR=$localdir"
 111 else
 112   use_localdir=
 113 fi
 114
 115 # Use the frozen version of Autoconf if available.
 116 r= f=
 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; } ;;
 120 *traditional*) ;;
 121 *) echo Autoconf requires GNU m4 1.1 or later >&2; rm -f $tmpin; exit 1 ;;
 122 esac
 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.
 130 pattern="AC_"
 131
 132 status=0
 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" $tmpout |
 136     while read macro; do
 137       grep -n "^[^#]*$macro" $infile /dev/null
 138       test $? -eq 1 && echo >&2 "***BUG in Autoconf--please report*** $macro"
 139     done | sort -u >&2
 140   status=1
 141 fi
 142
 143 if test $# -eq 0; then
 144   echo "This case should not be reached."
 145   exit 1
 146 fi
 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
 156 rm -f $tmpout
 157
 158 exit $status