bootstrap - libtool - Git at Google

 #! /bin/sh
 # bootstrap -- Helps bootstrapping libtool, when checked out from CVS.
 #
 # Copyright (C) 2003, 2004, 2005 Free Software Foundation, Inc.
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation; either version 2 of the License, or
 # (at your option) any later version.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
 # along with this program; see the file COPYING.  If not, write to
 # the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 # Boston, MA 02110-1301, USA.

 # It is okay for the bootstrap process to require unreleased autoconf
 # or automake, as long as any released libtool will work with at least
 # the newest stable versions of each.  Generally, newer versions offer
 # better features, and configure.ac documents oldest version of each
 # required for bootstrap (AC_PREREQ, and AM_INIT_AUTOMAKE).

 : ${AUTORECONF=autoreconf}
 : ${AUTOM4TE=autom4te}
 : ${MAKE=make}
 : ${GREP=grep}
 : ${EGREP=egrep}
 : ${FGREP=fgrep}
 : ${SED=sed}
 : ${LN_S='ln -s'}

 test -f ./configure.ac || {
   echo "bootstrap: can't find ./configure.ac, please rerun from top_srcdir"
   exit 1
 }

 : ${auxdir=config}

 # Upgrade caveat:
 cat <<'EOF'
 WARNING: If bootstrapping with this script fails, it may be due to an
 WARNING: incompatible installed `libtool.m4' being pulled in to
 WARNING: `aclocal.m4'.  The best way to work around such a problem is to
 WARNING: uninstall your system libtool files, or failing that, overwrite
 WARNING: them with all m4 file as shipped with this distribution (except
 WARNING: `lt~obsolete.m4').  After that, retry this bootstrap.
 EOF

 rm -rf `find . -path './{arch}' -prune -o \( -name autom4te.cache -o -name libtool \) -print`

 # Delete stale files from previous libtool versions.
 rm -f acinclude.m4 config/ltmain.sh libltdl/config.h

 if test -z "$reconfdirs"; then
   reconfdirs=". `ls -1d tests/*demo tests/*demo[0-9]`"
 fi

 # Extract the package name and version number from configure.ac:
 set dummy `$SED '/AC_INIT/{s/[][,()]/ /g; p;};d' configure.ac`
 shift

 # Whip up a dirty Makefile:
 test -f Makefile \
   || $SED '/^if /,/^endif$/d;/^else$/,/^endif$/d' Makefile.am > Makefile

 # Building distributed files from configure is bad for automake, so we
 # generate them here, and have Makefile rules to keep them up to date.
 # We don't have all the substitution values to build ltmain.sh from this
 # script yet, but we need config/ltmain.sh for the libtool commands in
 # configure, and ltversion.m4 to generate configure in the first place:
 rm -f ./config/ltmain.sh ./m4/ltversion.m4

 $MAKE ./config/ltmain.sh ./m4/ltversion.m4 ./libtoolize.in ./tests/defs.in \
     srcdir=. top_srcdir=. PACKAGE="$2" VERSION="$3" \
     PACKAGE_BUGREPORT="bug-$2@gnu.org" M4SH="$AUTOM4TE --language=m4sh"

 test -f clcommit.m4sh && $MAKE -f Makefile.maint commit \
     srcdir=. top_srcdir=. PACKAGE="$2" VERSION="$3" M4SH="autom4te -l m4sh" \
     SED="$SED" GREP="$GREP" FGREP="$FGREP" EGREP="$EGREP" LN_S="$LN_S"

 rm -f Makefile

 # Make a dummy libtoolize script for autoreconf:
 test -f clcommit.m4sh && cat > ./config/libtoolize <<'EOF'
 #! /bin/sh
 # This is a dummy file for bootstrapping CVS libtool.
 echo "$0: Bootstrap detected, no files installed." | sed 's,^.*/,,g'
 exit 0
 EOF
 chmod 755 ./config/libtoolize

 # Running the installed `libtoolize' will trash the local (newer) libtool.m4
 # among others.  Call the dummy script we made earlier.
 LIBTOOLIZE=`pwd`/config/libtoolize
 export LIBTOOLIZE

 for sub in $reconfdirs; do
   $AUTORECONF --force --verbose --install $sub
 done

 # Remove our dummy libtoolize
 rm -f ./config/libtoolize

 # These files can cause an infinite configure loop if left behind.
 rm -f Makefile libltdl/Makefile libtool vcl.tmp

 # This file is misgenerated earlier in bootstrap to satisfy automake 1.9.1
 # and earlier, but has a new enough timestamp to not be updated.  Force it
 # to be regenerated at make-time with proper substitutions in place:
 touch $auxdir/ltmain.m4sh

 # Commit script caveat:
 cat <<EOF
 WARNING: You might want to regenerate \`commit' and \`$auxdir/mailnotify'
 WARNING: after you have run \`configure' to discover the real whereabouts
 WARNING: of \`sed', \`grep' etc. like this:
 WARNING:
 WARNING:      rm -f commit $auxdir/mailnotify
 WARNING:      make -f Makefile.maint commit $auxdir/mailnotify
 EOF

 exit 0
	#! /bin/sh
	# bootstrap -- Helps bootstrapping libtool, when checked out from CVS.
	#
	# Copyright (C) 2003, 2004, 2005 Free Software Foundation, Inc.
	#
	# This program is free software; you can redistribute it and/or modify
	# it under the terms of the GNU General Public License as published by
	# the Free Software Foundation; either version 2 of the License, or
	# (at your option) any later version.
	#
	# This program is distributed in the hope that it will be useful,
	# but WITHOUT ANY WARRANTY; without even the implied warranty of
	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	# GNU General Public License for more details.
	#
	# You should have received a copy of the GNU General Public License
	# along with this program; see the file COPYING. If not, write to
	# the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
	# Boston, MA 02110-1301, USA.

	# It is okay for the bootstrap process to require unreleased autoconf
	# or automake, as long as any released libtool will work with at least
	# the newest stable versions of each. Generally, newer versions offer
	# better features, and configure.ac documents oldest version of each
	# required for bootstrap (AC_PREREQ, and AM_INIT_AUTOMAKE).

	: ${AUTORECONF=autoreconf}
	: ${AUTOM4TE=autom4te}
	: ${MAKE=make}
	: ${GREP=grep}
	: ${EGREP=egrep}
	: ${FGREP=fgrep}
	: ${SED=sed}
	: ${LN_S='ln -s'}

	test -f ./configure.ac \|\| {
	echo "bootstrap: can't find ./configure.ac, please rerun from top_srcdir"
	exit 1
	}

	: ${auxdir=config}

	# Upgrade caveat:
	cat <<'EOF'
	WARNING: If bootstrapping with this script fails, it may be due to an
	WARNING: incompatible installed `libtool.m4' being pulled in to
	WARNING: `aclocal.m4'. The best way to work around such a problem is to
	WARNING: uninstall your system libtool files, or failing that, overwrite
	WARNING: them with all m4 file as shipped with this distribution (except
	WARNING: `lt~obsolete.m4'). After that, retry this bootstrap.
	EOF

	rm -rf `find . -path './{arch}' -prune -o \( -name autom4te.cache -o -name libtool \) -print`

	# Delete stale files from previous libtool versions.
	rm -f acinclude.m4 config/ltmain.sh libltdl/config.h

	if test -z "$reconfdirs"; then
	reconfdirs=". `ls -1d tests/demo tests/demo[0-9]`"
	fi

	# Extract the package name and version number from configure.ac:
	set dummy `$SED '/AC_INIT/{s/[][,()]/ /g; p;};d' configure.ac`
	shift

	# Whip up a dirty Makefile:
	test -f Makefile \
	\|\| $SED '/^if /,/^endif$/d;/^else$/,/^endif$/d' Makefile.am > Makefile

	# Building distributed files from configure is bad for automake, so we
	# generate them here, and have Makefile rules to keep them up to date.
	# We don't have all the substitution values to build ltmain.sh from this
	# script yet, but we need config/ltmain.sh for the libtool commands in
	# configure, and ltversion.m4 to generate configure in the first place:
	rm -f ./config/ltmain.sh ./m4/ltversion.m4

	$MAKE ./config/ltmain.sh ./m4/ltversion.m4 ./libtoolize.in ./tests/defs.in \
	srcdir=. top_srcdir=. PACKAGE="$2" VERSION="$3" \
	PACKAGE_BUGREPORT="bug-$2@gnu.org" M4SH="$AUTOM4TE --language=m4sh"

	test -f clcommit.m4sh && $MAKE -f Makefile.maint commit \
	srcdir=. top_srcdir=. PACKAGE="$2" VERSION="$3" M4SH="autom4te -l m4sh" \
	SED="$SED" GREP="$GREP" FGREP="$FGREP" EGREP="$EGREP" LN_S="$LN_S"

	rm -f Makefile

	# Make a dummy libtoolize script for autoreconf:
	test -f clcommit.m4sh && cat > ./config/libtoolize <<'EOF'
	#! /bin/sh
	# This is a dummy file for bootstrapping CVS libtool.
	echo "$0: Bootstrap detected, no files installed." \| sed 's,^.*/,,g'
	exit 0
	EOF
	chmod 755 ./config/libtoolize

	# Running the installed `libtoolize' will trash the local (newer) libtool.m4
	# among others. Call the dummy script we made earlier.
	LIBTOOLIZE=`pwd`/config/libtoolize
	export LIBTOOLIZE

	for sub in $reconfdirs; do
	$AUTORECONF --force --verbose --install $sub
	done

	# Remove our dummy libtoolize
	rm -f ./config/libtoolize

	# These files can cause an infinite configure loop if left behind.
	rm -f Makefile libltdl/Makefile libtool vcl.tmp

	# This file is misgenerated earlier in bootstrap to satisfy automake 1.9.1
	# and earlier, but has a new enough timestamp to not be updated. Force it
	# to be regenerated at make-time with proper substitutions in place:
	touch $auxdir/ltmain.m4sh

	# Commit script caveat:
	cat <<EOF
	WARNING: You might want to regenerate \`commit' and \`$auxdir/mailnotify'
	WARNING: after you have run \`configure' to discover the real whereabouts
	WARNING: of \`sed', \`grep' etc. like this:
	WARNING:
	WARNING: rm -f commit $auxdir/mailnotify
	WARNING: make -f Makefile.maint commit $auxdir/mailnotify
	EOF

	exit 0