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/^[^[]*\[[^[]*\[\([^]]*\)\].*$/\1/p' configure.ac`
  57 PACKAGE=automake
  58 datadir=.
  59
  60 # Override SHELL.  This is required on DJGPP so that Perl's system()
  61 # uses bash, not COMMAND.COM which doesn't quote arguments properly.
  62 # It's not used otherwise.
  63 if test -n "$DJGPP"; then
  64     BOOTSTRAP_SHELL=/dev/env/DJDIR/bin/bash.exe
  65 else
  66     BOOTSTRAP_SHELL=/bin/sh
  67 fi
  68
  69 # Read the rule for calculating APIVERSION and execute it
  70 apiver_cmd=`sed -ne 's/\[\[/[/g;s/\]\]/]/g;/^APIVERSION=/p' configure.ac`
  71 eval $apiver_cmd
  72
  73 # Sanity checks
  74 if test -z "$VERSION"; then
  75         echo "Cannot find VERSION" >&2
  76         exit 1
  77 fi
  78
  79 if test -z "$APIVERSION"; then
  80         echo "Cannot find VERSION" >&2
  81         exit 1
  82 fi
  83
  84 # Make a dummy versioned directory for aclocal
  85 rm -rf aclocal-$APIVERSION
  86 mkdir aclocal-$APIVERSION
  87 if test -d automake-$APIVERSION; then
  88         find automake-$APIVERSION -exec chmod u+wx '{}' ';'
  89 fi
  90 rm -rf automake-$APIVERSION
  91 # Can't use `ln -s lib automake-$APIVERSION',
  92 # that would create a lib.exe stub under DJGPP 2.03.
  93 mkdir automake-$APIVERSION
  94 cp -rf lib/* automake-$APIVERSION
  95
  96 dosubst ()
  97 {
  98   rm -f $2
  99   in=`echo $1 | sed 's,^.*/,,'`
 100   sed -e "s%@APIVERSION@%$APIVERSION%g" \
 101       -e "s%@PACKAGE@%$PACKAGE%g" \
 102       -e "s%@PERL@%$PERL%g" \
 103       -e "s%@SHELL@%$BOOTSTRAP_SHELL%g" \
 104       -e "s%@VERSION@%$VERSION%g" \
 105       -e "s%@datadir@%$datadir%g" \
 106       -e "s%@configure_input@%Generated from $in; do not edit by hand.%g" \
 107       $1 > $2
 108   chmod a-w $2
 109 }
 110
 111
 112 # Create temporary replacement for lib/Automake/Config.pm
 113 dosubst automake-$APIVERSION/Automake/Config.in \
 114         automake-$APIVERSION/Automake/Config.pm
 115
 116 # Create temporary replacement for aclocal
 117 dosubst aclocal.in aclocal.tmp
 118
 119 # Overwrite amversion.m4
 120 dosubst m4/amversion.in m4/amversion.m4
 121
 122 # Create temporary replacement for automake
 123 dosubst automake.in automake.tmp
 124
 125 # Run the autotools.
 126 $PERL ./aclocal.tmp -I m4
 127 autoconf
 128 $PERL ./automake.tmp
 129
 130 # Remove temporary files and directories
 131 rm -rf aclocal-$APIVERSION automake-$APIVERSION
 132 rm -f aclocal.tmp automake.tmp
 133 rm -f lib/Automake/Config.pm