bootstrap

   1 #! /bin/sh
   2 # bootstrap -- Helps bootstrapping libtool, when checked out from CVS.
   3 #
   4 #   Copyright (C) 2003, 2004, 2005, 2006 Free Software Foundation, Inc,
   5 #   Mritten by Gary V. Vaughan, 2003
   6 #
   7 #   This file is part of GNU Libtool.
   8 #
   9 # GNU Libtool is free software; you can redistribute it and/or
  10 # modify it under the terms of the GNU General Public License as
  11 # published by the Free Software Foundation; either version 2 of
  12 # the License, or (at your option) any later version.
  13 #
  14 # GNU Libtool 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 GNU Libtool; see the file COPYING.  If not, a copy
  21 # can be downloaded from  http://www.gnu.org/licenses/gpl.html,
  22 # or obtained by writing to the Free Software Foundation, Inc.,
  23 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  24 ####
  25
  26 # It is okay for the bootstrap process to require unreleased autoconf
  27 # or automake, as long as any released libtool will work with at least
  28 # the newest stable versions of each.  Generally, newer versions offer
  29 # better features, and configure.ac documents oldest version of each
  30 # required for bootstrap (AC_PREREQ, and AM_INIT_AUTOMAKE).
  31
  32 SHELL=${CONFIG_SHELL-/bin/sh}
  33 export SHELL
  34 : ${AUTORECONF=autoreconf}
  35 : ${AUTOCONF=autoconf}
  36 : ${AUTOMAKE=automake}
  37 : ${AUTOM4TE=autom4te}
  38 : ${MAKE=make}
  39 : ${GREP=grep}
  40 : ${EGREP=egrep}
  41 : ${FGREP=fgrep}
  42 : ${SED=sed}
  43 : ${LN_S='ln -s'}
  44 : ${MAKEINFO=makeinfo}
  45 : ${WORKING_LIBOBJ_SUPPORT=false}
  46
  47 case $1 in
  48 --help|-h*)
  49   cat <<EOF
  50 `echo $0 | sed 's,^.*/,,g'`: This script is designed to bootstrap a fresh CVS checkout
  51 of Libtool.  Useful environment variable settings:
  52   reconfdirs='. libltdl'     Do not bootstrap the old test suite.
  53   WORKING_LIBOBJ_SUPPORT=:   Declare that you have fixed LIBOBJDIR support
  54                              in autoconf (> 2.59) and automake (> 1.9.6).
  55 EOF
  56   exit
  57   ;;
  58 esac
  59
  60 test -f ./configure.ac || {
  61   echo "bootstrap: can't find ./configure.ac, please rerun from top_srcdir"
  62   exit 1
  63 }
  64
  65
  66 # Extract auxdir and m4dir from configure.ac:
  67 lt_tab='        '
  68 my_sed_traces='s,#.*$,,; s,^dnl .*$,,; s, dnl .*$,,;
  69         /AC_CONFIG_AUX_DIR[^_]/  {
  70             s,^.*AC_CONFIG_AUX_DIR([[ '"$lt_tab"']*\([^])]*\).*$,auxdir=\1,; p;
  71         };
  72         /AC_CONFIG_MACRO_DIR/   {
  73             s,^.*AC_CONFIG_MACRO_DIR([[ '"$lt_tab"']*\([^])]*\).*$,m4dir=\1,; p;
  74         };
  75         d;'
  76 eval `cat configure.ac 2>/dev/null | $SED "$my_sed_traces"`
  77
  78
  79 # Upgrade caveat:
  80 cat <<'EOF'
  81 WARNING: If bootstrapping with this script fails, it may be due to an
  82 WARNING: incompatible installed `libtool.m4' being pulled in to
  83 WARNING: `aclocal.m4'.  The best way to work around such a problem is to
  84 WARNING: uninstall your system libtool files, or failing that, overwrite
  85 WARNING: them with all m4 file as shipped with this distribution (except
  86 WARNING: `lt~obsolete.m4').  After that, retry this bootstrap.
  87 EOF
  88
  89 find . -depth \( -name autom4te.cache -o -name libtool \) -print \
  90   | grep -v '{arch}' \
  91   | xargs rm -rf
  92
  93 # Delete stale files from previous libtool versions.
  94 rm -f acinclude.m4 libltdl/config.h
  95
  96 # Workaround for missing LIBOBJDIR support in Autoconf 2.59, Automake 1.9.6:
  97 # Have symlinks of the libobj files in top source dir.
  98 # Set WORKING_LIBOBJ_SUPPORT=: when calling bootstrap if you have fixed tools.
  99 case `($AUTOCONF --version) 2>/dev/null` in
 100   *\ 2.59[c-z]* | *\ 2.[6-9][0-9]* | *\ [3-9].[0-9]*)
 101   case `($AUTOMAKE --version) 2>/dev/null` in
 102     *\ 1.9[a-z]* | *\ 1.1[0-9]* | *\ 1.[2-9][0-9]* | *\ [2-9].[0-9]*)
 103       WORKING_LIBOBJ_SUPPORT=: ;;
 104   esac ;;
 105 esac
 106 for file in argz.c lt__dirent.c lt__strl.c; do
 107   rm -f $file
 108   $WORKING_LIBOBJ_SUPPORT || $LN_S libltdl/$file $file
 109 done
 110
 111 if test -z "$reconfdirs"; then
 112   reconfdirs=". libltdl `ls -1d tests/*demo tests/*demo[0-9]`"
 113 fi
 114
 115 # Extract the package name and version number from configure.ac:
 116 set dummy `$SED -n '
 117     /AC_INIT/{
 118         s/[][,()]/ /g
 119         p
 120     }' configure.ac`
 121 shift
 122
 123 # Whip up a dirty Makefile:
 124 makes='Makefile.am libltdl/Makefile.inc'
 125 rm -f Makefile
 126 $SED '/^if /,/^endif$/d;/^else$/,/^endif$/d;/^include /d' $makes > Makefile
 127
 128 # Building distributed files from configure is bad for automake, so we
 129 # generate them here, and have Makefile rules to keep them up to date.
 130 # We don't have all the substitution values to build ltmain.sh from this
 131 # script yet, but we need config/ltmain.sh for the libtool commands in
 132 # configure, and ltversion.m4 to generate configure in the first place:
 133 rm -f $auxdir/ltmain.sh $m4dir/ltversion.m4
 134
 135 $MAKE ./$auxdir/ltmain.sh ./$m4dir/ltversion.m4 ./doc/notes.txt \
 136     ./libtoolize.in ./tests/defs.in ./tests/package.m4 \
 137     ./tests/testsuite ./libltdl/Makefile.am \
 138     srcdir=. top_srcdir=. PACKAGE="$2" VERSION="$3" \
 139     PACKAGE_BUGREPORT="bug-$2@gnu.org" M4SH="$AUTOM4TE --language=m4sh" \
 140     AUTOTEST="$AUTOM4TE --language=autotest" SED="$SED" MAKEINFO="$MAKEINFO" \
 141     GREP="$GREP" FGREP="$FGREP" EGREP="$EGREP" LN_S="$LN_S"
 142
 143 test -f clcommit.m4sh && $MAKE -f Makefile.maint ./commit \
 144     srcdir=. top_srcdir=. PACKAGE="$2" VERSION="$3" M4SH="$AUTOM4TE -l m4sh" \
 145     SED="$SED" GREP="$GREP" FGREP="$FGREP" EGREP="$EGREP" LN_S="$LN_S"
 146
 147 rm -f Makefile
 148
 149 # Make a dummy libtoolize script for autoreconf:
 150 cat > $auxdir/libtoolize <<'EOF'
 151 #! /bin/sh
 152 # This is a dummy file for bootstrapping CVS libtool.
 153 echo "$0: Bootstrap detected, no files installed." | sed 's,^.*/,,g'
 154 exit 0
 155 EOF
 156 chmod 755 $auxdir/libtoolize
 157
 158 # Running the installed `libtoolize' will trash the local (newer) libtool.m4
 159 # among others.  Call the dummy script we made earlier.
 160 LIBTOOLIZE=`pwd`/$auxdir/libtoolize
 161 export LIBTOOLIZE
 162
 163 for sub in $reconfdirs; do
 164   $AUTORECONF --force --verbose --install $sub
 165 done
 166
 167 # Autoheader valiantly tries to prevent needless reconfigurations by
 168 # not changing the timestamp of config-h.in unless the file contents
 169 # are updated.  Unfortunately config-h.in depends on aclocal.m4 which
 170 # *is* updated, so running 'libtoolize --ltdl=. && configure && make'
 171 # causes autoheader to be called... undesireable for users that do not
 172 # have it!  Fudge the timestamp to prevent that:
 173 sleep 2 && touch libltdl/config-h.in
 174
 175 # Remove our dummy libtoolize
 176 rm -f $auxdir/libtoolize
 177
 178 # These files can cause an infinite configure loop if left behind.
 179 rm -f Makefile libltdl/Makefile libtool vcl.tmp
 180
 181 # This file is misgenerated earlier in bootstrap to satisfy automake 1.9.1
 182 # and earlier, but has a new enough timestamp to not be updated.  Force it
 183 # to be regenerated at make-time with proper substitutions in place:
 184 touch $auxdir/ltmain.m4sh
 185
 186 # Commit script caveat:
 187 cat <<EOF
 188 WARNING: You might want to regenerate \`commit' and \`$auxdir/mailnotify'
 189 WARNING: after you have run \`configure' to discover the real whereabouts
 190 WARNING: of \`sed', \`grep' etc. like this:
 191 WARNING:
 192 WARNING:      rm -f commit $auxdir/mailnotify
 193 WARNING:      make -f Makefile.maint ./commit ./$auxdir/mailnotify
 194 EOF
 195
 196 exit 0