bootstrap.sh

   1 #! /bin/sh
   2
   3 # This script helps bootstrap automake, when checked out from git.
   4 #
   5 # Copyright (C) 2002-2012 Free Software Foundation, Inc.
   6 # Originally written by Pavel Roskin <proski@gnu.org> September 2002.
   7 #
   8 # This program is free software; you can redistribute it and/or modify
   9 # it under the terms of the GNU General Public License as published by
  10 # the Free Software Foundation; either version 2, or (at your option)
  11 # any later version.
  12 #
  13 # This program is distributed in the hope that it will be useful,
  14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 # GNU General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU General Public License
  19 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20
  21 # Don't ignore failures.
  22 set -e
  23
  24 # Set program basename.
  25 me=`echo "$0" | sed 's,^.*/,,'`
  26
  27 # Let user choose which version of autoconf, autom4te and perl to use.
  28 : ${AUTOCONF=autoconf}
  29 export AUTOCONF  # might be used by aclocal and/or automake
  30 : ${AUTOM4TE=autom4te}
  31 export AUTOM4TE  # ditto
  32 : ${PERL=perl}
  33
  34 # Variables to substitute.
  35 VERSION=`sed -ne '/AC_INIT/s/^[^[]*\[[^[]*\[\([^]]*\)\].*$/\1/p' configure.ac`
  36 PACKAGE=automake
  37 datadir=.
  38 PERL_THREADS=0
  39 # This should be automatically updated by the 'update-copyright'
  40 # rule of our Makefile.
  41 RELEASE_YEAR=2012
  42
  43 # Override SHELL.  This is required on DJGPP so that Perl's system()
  44 # uses bash, not COMMAND.COM which doesn't quote arguments properly.
  45 # It's not used otherwise.
  46 if test -n "$DJDIR"; then
  47   BOOTSTRAP_SHELL=/dev/env/DJDIR/bin/bash.exe
  48 else
  49   BOOTSTRAP_SHELL=/bin/sh
  50 fi
  51
  52 # Read the rule for calculating APIVERSION and execute it.
  53 apiver_cmd=`sed -ne 's/\[\[/[/g;s/\]\]/]/g;/^APIVERSION=/p' configure.ac`
  54 eval "$apiver_cmd"
  55
  56 # Sanity checks.
  57 if test -z "$VERSION"; then
  58   echo "$me: cannot find VERSION" >&2
  59   exit 1
  60 fi
  61
  62 if test -z "$APIVERSION"; then
  63   echo "$me: cannot find APIVERSION" >&2
  64   exit 1
  65 fi
  66
  67 # Make a dummy versioned directory for aclocal.
  68 rm -rf aclocal-$APIVERSION
  69 mkdir aclocal-$APIVERSION
  70 if test -d automake-$APIVERSION; then
  71   find automake-$APIVERSION -exec chmod u+wx '{}' ';'
  72 fi
  73 rm -rf automake-$APIVERSION
  74 # Can't use "ln -s lib automake-$APIVERSION", that would create a
  75 # lib.exe stub under DJGPP 2.03.
  76 mkdir automake-$APIVERSION
  77 cp -rf lib/* automake-$APIVERSION
  78
  79 dosubst ()
  80 {
  81   rm -f $2
  82   in=`echo $1 | sed 's,^.*/,,'`
  83   sed -e "s%@APIVERSION@%$APIVERSION%g" \
  84       -e "s%@PACKAGE@%$PACKAGE%g" \
  85       -e "s%@PERL@%$PERL%g" \
  86       -e "s%@PERL_THREADS@%$PERL_THREADS%g" \
  87       -e "s%@SHELL@%$BOOTSTRAP_SHELL%g" \
  88       -e "s%@VERSION@%$VERSION%g" \
  89       -e "s%@datadir@%$datadir%g" \
  90       -e "s%@RELEASE_YEAR@%$RELEASE_YEAR%g" \
  91       -e "s%@configure_input@%Generated from $in; do not edit by hand.%g" \
  92       $1 > $2
  93   chmod a-w $2
  94 }
  95
  96 # Create temporary replacement for lib/Automake/Config.pm.
  97 dosubst automake-$APIVERSION/Automake/Config.in \
  98         automake-$APIVERSION/Automake/Config.pm
  99
 100 # Create temporary replacement for aclocal.
 101 dosubst aclocal.in aclocal.tmp
 102
 103 # Overwrite amversion.m4.
 104 dosubst m4/amversion.in m4/amversion.m4
 105
 106 # Create temporary replacement for automake.
 107 dosubst automake.in automake.tmp
 108
 109 # Create required makefile snippets.
 110 $PERL ./gen-testsuite-part > t/testsuite-part.tmp
 111 chmod a-w t/testsuite-part.tmp
 112 mv -f t/testsuite-part.tmp t/testsuite-part.am
 113
 114 # Run the autotools.
 115 # Use '-I' here so that our own *.m4 files in m4/ gets included,
 116 # not copied, in aclocal.m4.
 117 $PERL ./aclocal.tmp -I m4 --automake-acdir m4 --system-acdir m4/acdir
 118 $AUTOCONF
 119 $PERL ./automake.tmp
 120
 121 # Remove temporary files and directories.
 122 rm -rf aclocal-$APIVERSION automake-$APIVERSION
 123 rm -f aclocal.tmp automake.tmp