bootstrap

   1 #! /bin/sh
   2
   3 # This script helps bootstrap automake, when checked out from git.
   4 #
   5 # Copyright (C) 2002, 2003, 2004, 2007, 2008  Free Software Foundation,
   6 # Inc.
   7 # written by Pavel Roskin <proski@gnu.org> September 2002
   8 #
   9 # This program is free software; you can redistribute it and/or modify
  10 # it under the terms of the GNU General Public License as published by
  11 # the Free Software Foundation; either version 3, or (at your option)
  12 # any later version.
  13 #
  14 # This program is distributed in the hope that it will be useful,
  15 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 # GNU General Public License for more details.
  18 #
  19 # You should have received a copy of the GNU General Public License
  20 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  21
  22 # Find the path separator
  23 echo "#! /bin/sh" >boot$$.sh
  24 echo  "exit 0"   >>boot$$.sh
  25 chmod +x boot$$.sh
  26 if (PATH="/nonexistent;."; boot$$.sh) >/dev/null 2>&1; then
  27   PATH_SEPARATOR=';'
  28 else
  29   PATH_SEPARATOR=:
  30 fi
  31 rm -f boot$$.sh
  32
  33 # Don't ignore failures
  34 set -e
  35
  36 # Find perl.  Code based on Autoconf, but without non-POSIX support.
  37 if test -z "$PERL"; then
  38         save_IFS=$IFS
  39         IFS=$PATH_SEPARATOR
  40         for dir in $PATH; do
  41                 IFS=$save_IFS
  42                 test -z "$dir" && dir=.
  43                 if test -x "$dir/perl" && test ! -d "$dir/perl"; then
  44                         PERL="$dir/perl"
  45                         break
  46                 fi
  47         done
  48 fi
  49
  50 if test -z "$PERL"; then
  51         echo "Cannot find perl" >&2
  52         exit 1
  53 fi
  54
  55 # Variables to substitute
  56 VERSION=`sed -ne '/AC_INIT/s/^[^[]*\[[^[]*\[\([^]]*\)\].*$/\1/p' configure.ac`
  57 PACKAGE=automake
  58 datadir=.
  59 PERL_THREADS=0
  60
  61 # Override SHELL.  This is required on DJGPP so that Perl's system()
  62 # uses bash, not COMMAND.COM which doesn't quote arguments properly.
  63 # It's not used otherwise.
  64 if test -n "$DJGPP"; then
  65     BOOTSTRAP_SHELL=/dev/env/DJDIR/bin/bash.exe
  66 else
  67     BOOTSTRAP_SHELL=/bin/sh
  68 fi
  69
  70 # Read the rule for calculating APIVERSION and execute it
  71 apiver_cmd=`sed -ne 's/\[\[/[/g;s/\]\]/]/g;/^APIVERSION=/p' configure.ac`
  72 eval $apiver_cmd
  73
  74 # Sanity checks
  75 if test -z "$VERSION"; then
  76         echo "Cannot find VERSION" >&2
  77         exit 1
  78 fi
  79
  80 if test -z "$APIVERSION"; then
  81         echo "Cannot find VERSION" >&2
  82         exit 1
  83 fi
  84
  85 # Make a dummy versioned directory for aclocal
  86 rm -rf aclocal-$APIVERSION
  87 mkdir aclocal-$APIVERSION
  88 if test -d automake-$APIVERSION; then
  89         find automake-$APIVERSION -exec chmod u+wx '{}' ';'
  90 fi
  91 rm -rf automake-$APIVERSION
  92 # Can't use `ln -s lib automake-$APIVERSION',
  93 # that would create a lib.exe stub under DJGPP 2.03.
  94 mkdir automake-$APIVERSION
  95 cp -rf lib/* automake-$APIVERSION
  96
  97 dosubst ()
  98 {
  99   rm -f $2
 100   in=`echo $1 | sed 's,^.*/,,'`
 101   sed -e "s%@APIVERSION@%$APIVERSION%g" \
 102       -e "s%@PACKAGE@%$PACKAGE%g" \
 103       -e "s%@PERL@%$PERL%g" \
 104       -e "s%@PERL_THREADS@%$PERL_THREADS%g" \
 105       -e "s%@SHELL@%$BOOTSTRAP_SHELL%g" \
 106       -e "s%@VERSION@%$VERSION%g" \
 107       -e "s%@datadir@%$datadir%g" \
 108       -e "s%@configure_input@%Generated from $in; do not edit by hand.%g" \
 109       $1 > $2
 110   chmod a-w $2
 111 }
 112
 113
 114 # Create temporary replacement for lib/Automake/Config.pm
 115 dosubst automake-$APIVERSION/Automake/Config.in \
 116         automake-$APIVERSION/Automake/Config.pm
 117
 118 # Create temporary replacement for aclocal
 119 dosubst aclocal.in aclocal.tmp
 120
 121 # Overwrite amversion.m4
 122 dosubst m4/amversion.in m4/amversion.m4
 123
 124 # Create temporary replacement for automake
 125 dosubst automake.in automake.tmp
 126
 127 # Run the autotools.
 128 $PERL ./aclocal.tmp -I m4
 129 autoconf
 130 $PERL ./automake.tmp
 131
 132 # Remove temporary files and directories
 133 rm -rf aclocal-$APIVERSION automake-$APIVERSION
 134 rm -f aclocal.tmp automake.tmp
 135 rm -f lib/Automake/Config.pm