bootstrap

   1 #! /bin/sh
   2 # bootstrap -- Helps bootstrapping libtool, when checked out from CVS.
   3 #
   4 # Copyright (C) 2003, 2004, 2005 Free Software Foundation, Inc,
   5 #
   6 # This program is free software; you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; either version 2 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program; see the file COPYING.  If not, write to
  18 # the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  19 # Boston, MA 02110-1301, USA.
  20
  21 # It is okay for the bootstrap process to require unreleased autoconf
  22 # or automake, as long as any released libtool will work with at least
  23 # the newest stable versions of each.  Generally, newer versions offer
  24 # better features, and configure.ac documents oldest version of each
  25 # required for bootstrap (AC_PREREQ, and AM_INIT_AUTOMAKE).
  26
  27 SHELL=${CONFIG_SHELL-/bin/sh}
  28 export SHELL
  29 : ${AUTORECONF=autoreconf}
  30 : ${AUTOM4TE=autom4te}
  31 : ${MAKE=make}
  32 : ${GREP=grep}
  33 : ${EGREP=egrep}
  34 : ${FGREP=fgrep}
  35 : ${SED=sed}
  36 : ${LN_S='ln -s'}
  37 : ${MAKEINFO=makeinfo}
  38 : ${WORKING_LIBOBJ_SUPPORT=false}
  39
  40 case $1 in
  41 --help|-h*)
  42   cat <<EOF
  43 `echo $0 | sed 's,^.*/,,g'`: This script is designed to bootstrap a fresh CVS checkout
  44 of Libtool.  Useful environment variable settings:
  45   reconfdirs='. libltdl'     Do not bootstrap the old test suite.
  46   WORKING_LIBOBJ_SUPPORT=:   Declare that you have fixed LIBOBJDIR support
  47                              in autoconf (> 2.59) and automake (> 1.9.6).
  48 EOF
  49   exit
  50   ;;
  51 esac
  52
  53 test -f ./configure.ac || {
  54   echo "bootstrap: can't find ./configure.ac, please rerun from top_srcdir"
  55   exit 1
  56 }
  57
  58
  59 # Extract auxdir and m4dir from configure.ac:
  60 lt_tab='        '
  61 my_sed_traces='s,#.*$,,; s,^dnl .*$,,; s, dnl .*$,,;
  62         /AC_CONFIG_AUX_DIR[^_]/  {
  63             s,^.*AC_CONFIG_AUX_DIR([[ '"$lt_tab"']*\([^])]*\).*$,auxdir=\1,; p;
  64         };
  65         /AC_CONFIG_MACRO_DIR/   {
  66             s,^.*AC_CONFIG_MACRO_DIR([[ '"$lt_tab"']*\([^])]*\).*$,m4dir=\1,; p;
  67         };
  68         d;'
  69 eval `cat configure.ac 2>/dev/null | $SED "$my_sed_traces"`
  70
  71
  72 # Upgrade caveat:
  73 cat <<'EOF'
  74 WARNING: If bootstrapping with this script fails, it may be due to an
  75 WARNING: incompatible installed `libtool.m4' being pulled in to
  76 WARNING: `aclocal.m4'.  The best way to work around such a problem is to
  77 WARNING: uninstall your system libtool files, or failing that, overwrite
  78 WARNING: them with all m4 file as shipped with this distribution (except
  79 WARNING: `lt~obsolete.m4').  After that, retry this bootstrap.
  80 EOF
  81
  82 find . -depth \( -name autom4te.cache -o -name libtool \) -print \
  83   | grep -v '{arch}' \
  84   | xargs rm -rf
  85
  86 # Delete stale files from previous libtool versions.
  87 rm -f acinclude.m4 libltdl/config.h
  88
  89 # Workaround for missing LIBOBJDIR support in Autoconf 2.59, Automake 1.9.6:
  90 # Have symlinks of the libobj files in top source dir.
  91 # Set WORKING_LIBOBJ_SUPPORT=: when calling bootstrap if you have fixed tools.
  92 for file in argz.c lt__dirent.c lt__strl.c; do
  93   rm -f $file
  94   $WORKING_LIBOBJ_SUPPORT || $LN_S libltdl/$file $file
  95 done
  96
  97 if test -z "$reconfdirs"; then
  98   reconfdirs=". libltdl `ls -1d tests/*demo tests/*demo[0-9]`"
  99 fi
 100
 101 # Extract the package name and version number from configure.ac:
 102 set dummy `$SED -n '/AC_INIT/{s/[][,()]/ /g; p;}' configure.ac`
 103 shift
 104
 105 # Whip up a dirty Makefile:
 106 makes='Makefile.am libltdl/Makefile.inc'
 107 test -f Makefile ||
 108     $SED '/^if /,/^endif$/d;/^else$/,/^endif$/d;/^include /d' $makes > Makefile
 109
 110 # Building distributed files from configure is bad for automake, so we
 111 # generate them here, and have Makefile rules to keep them up to date.
 112 # We don't have all the substitution values to build ltmain.sh from this
 113 # script yet, but we need config/ltmain.sh for the libtool commands in
 114 # configure, and ltversion.m4 to generate configure in the first place:
 115 rm -f $auxdir/ltmain.sh $m4dir/ltversion.m4
 116
 117 $MAKE ./$auxdir/ltmain.sh ./$m4dir/ltversion.m4 ./doc/notes.txt \
 118     ./libtoolize.in ./tests/defs.in ./tests/package.m4 \
 119     ./tests/testsuite ./libltdl/Makefile.am \
 120     srcdir=. top_srcdir=. PACKAGE="$2" VERSION="$3" \
 121     PACKAGE_BUGREPORT="bug-$2@gnu.org" M4SH="$AUTOM4TE --language=m4sh" \
 122     AUTOTEST="$AUTOM4TE --language=autotest" SED="$SED" MAKEINFO="$MAKEINFO"
 123
 124 test -f clcommit.m4sh && $MAKE -f Makefile.maint ./commit \
 125     srcdir=. top_srcdir=. PACKAGE="$2" VERSION="$3" M4SH="$AUTOM4TE -l m4sh" \
 126     SED="$SED" GREP="$GREP" FGREP="$FGREP" EGREP="$EGREP" LN_S="$LN_S"
 127
 128 rm -f Makefile
 129
 130 # Make a dummy libtoolize script for autoreconf:
 131 cat > $auxdir/libtoolize <<'EOF'
 132 #! /bin/sh
 133 # This is a dummy file for bootstrapping CVS libtool.
 134 echo "$0: Bootstrap detected, no files installed." | sed 's,^.*/,,g'
 135 exit 0
 136 EOF
 137 chmod 755 $auxdir/libtoolize
 138
 139 # Running the installed `libtoolize' will trash the local (newer) libtool.m4
 140 # among others.  Call the dummy script we made earlier.
 141 LIBTOOLIZE=`pwd`/$auxdir/libtoolize
 142 export LIBTOOLIZE
 143
 144 for sub in $reconfdirs; do
 145   $AUTORECONF --force --verbose --install $sub
 146 done
 147
 148 # Autoheader valiantly tries to prevent needless reconfigurations by
 149 # not changing the timestamp of config-h.in unless the file contents
 150 # are updated.  Unfortunately config-h.in depends on aclocal.m4 which
 151 # *is* updated, so running 'libtoolize --ltdl=. && configure && make'
 152 # causes autoheader to be called... undesireable for users that do not
 153 # have it!  Fudge the timestamp to prevent that:
 154 sleep 2 && touch libltdl/config-h.in
 155
 156 # Remove our dummy libtoolize
 157 rm -f $auxdir/libtoolize
 158
 159 # These files can cause an infinite configure loop if left behind.
 160 rm -f Makefile libltdl/Makefile libtool vcl.tmp
 161
 162 # This file is misgenerated earlier in bootstrap to satisfy automake 1.9.1
 163 # and earlier, but has a new enough timestamp to not be updated.  Force it
 164 # to be regenerated at make-time with proper substitutions in place:
 165 touch $auxdir/ltmain.m4sh
 166
 167 # Commit script caveat:
 168 cat <<EOF
 169 WARNING: You might want to regenerate \`commit' and \`$auxdir/mailnotify'
 170 WARNING: after you have run \`configure' to discover the real whereabouts
 171 WARNING: of \`sed', \`grep' etc. like this:
 172 WARNING:
 173 WARNING:      rm -f commit $auxdir/mailnotify
 174 WARNING:      make -f Makefile.maint ./commit ./$auxdir/mailnotify
 175 EOF
 176
 177 exit 0