autoreconf.in

   1 #!/bin/sh
   2 # autoreconf - remake all Autoconf configure scripts in a directory tree
   3 # Copyright (C) 1994 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., 675 Mass Ave, Cambridge, MA 02139, USA.
  18
  19 usage="\
  20 Usage: autoreconf [-f] [-h] [--help] [-m dir] [--macrodir=dir]
  21        [-l dir] [--localdir=dir] [--force] [--verbose] [--version]"
  22
  23 localdir=
  24 verbose=no
  25 show_version=no
  26 force=no
  27
  28 test -z "$AC_MACRODIR" && AC_MACRODIR=@datadir@
  29
  30 while test $# -gt 0; do
  31   case "$1" in
  32   -h | --help | --h*)
  33     echo "$usage"; exit 0 ;;
  34   --localdir=* | --l*=* )
  35     localdir="`echo \"${1}\" | sed -e 's/^[^=]*=//'`"
  36     shift ;;
  37   -l | --localdir | --l*)
  38     shift
  39     test $# -eq 0 && { echo "${usage}" 1>&2; exit 1; }
  40     localdir="${1}"
  41     shift ;;
  42   --macrodir=* | --m*=* )
  43     AC_MACRODIR="`echo \"$1\" | sed -e 's/^[^=]*=//'`"
  44     shift ;;
  45   -m | --macrodir | --m*)
  46     shift
  47     test $# -eq 0 && { echo "$usage" 1>&2; exit 1; }
  48     AC_MACRODIR="$1"
  49     shift ;;
  50   --verbose | --verb*)
  51     verbose=yes; shift ;;
  52   -f | --force)
  53     force=yes; shift ;;
  54   --version | --vers*)
  55     show_version=yes; shift ;;
  56   --)     # Stop option processing.
  57     shift; break ;;
  58   -*) echo "$usage" 1>&2; exit 1 ;;
  59   *) break ;;
  60   esac
  61 done
  62
  63 if test $show_version = yes; then
  64   version=`sed -n 's/define.AC_ACVERSION.[      ]*\([0-9.]*\).*/\1/p' \
  65     $AC_MACRODIR/acgeneral.m4`
  66   echo "Autoconf version $version"
  67   exit 0
  68 fi
  69
  70 if test $# -ne 0; then
  71   echo "$usage" 1>&2; exit 1
  72 fi
  73
  74 top_autoconf=`echo $0|sed s%autoreconf%autoconf%`
  75 top_autoheader=`echo $0|sed s%autoreconf%autoheader%`
  76
  77 # The xargs grep filters out Cygnus configure.in files.
  78 find . -name configure.in -print |
  79 xargs grep -l AC_OUTPUT |
  80 sed 's%/configure\.in$%%; s%^./%%' |
  81 while read dir; do
  82   (
  83   cd $dir || continue
  84
  85   case "$dir" in
  86   .) dots= ;;
  87   *) # A "../" for each directory in /$dir.
  88      dots=`echo /$dir|sed 's%/[^/]*%../%g'` ;;
  89   esac
  90
  91   case "$0" in
  92   /*)  autoconf=$top_autoconf; autoheader=$top_autoheader ;;
  93   */*) autoconf=$dots$top_autoconf; autoheader=$dots$top_autoheader ;;
  94   *)   autoconf=$top_autoconf; autoheader=$top_autoheader ;;
  95   esac
  96
  97   case "$AC_MACRODIR" in
  98   /*)  macrodir_opt="--macrodir=$AC_MACRODIR" ;;
  99   *)   macrodir_opt="--macrodir=$dots$AC_MACRODIR" ;;
 100   esac
 101
 102   case "$localdir" in
 103   "")  localdir_opt=
 104        aclocal=aclocal.m4 ;;
 105   /*)  localdir_opt="--localdir=$localdir"
 106        aclocal=$localdir/aclocal.m4 ;;
 107   *)   localdir_opt="--localdir=$dots$localdir"
 108        aclocal=$dots$localdir/aclocal.m4 ;;
 109   esac
 110
 111   test ! -f $aclocal && aclocal=
 112
 113   if test $force = no && test -f configure &&
 114     ls -lt configure configure.in $aclocal | sed 1q |
 115       grep 'configure$' > /dev/null
 116   then
 117     :
 118   else
 119     test $verbose = yes && echo running autoconf in $dir
 120     $autoconf $macrodir_opt $localdir_opt
 121   fi
 122
 123   if grep AC_CONFIG_HEADER configure.in >/dev/null; then
 124     template=`sed -n '/AC_CONFIG_HEADER/{
 125 s%[^#]*AC_CONFIG_HEADER(\([^)]*\).*%\1%
 126 t here
 127 : here
 128 s%.*:%%
 129 t colon
 130 s%$%.in%
 131 : colon
 132 p
 133 q
 134 }' configure.in`
 135     if test ! -f $template || grep autoheader $template >/dev/null; then
 136       if test $force = no && test -f $template &&
 137         ls -lt $template configure.in $aclocal | sed 1q |
 138           grep "$template$" > /dev/null
 139       then
 140         :
 141       else
 142         test $verbose = yes && echo running autoheader in $dir
 143         $autoheader $macrodir_opt $localdir_opt
 144       fi
 145     fi
 146   fi
 147   )
 148 done
 149