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07921db514
(func_update): New function, for easily grabbing up-to-date files from gnulib. * Makefile.maint (web-manual): Fix for VPATH builds.
260 lines
6.9 KiB
Bash
Executable File
260 lines
6.9 KiB
Bash
Executable File
#! /bin/sh
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# bootstrap (GNU M4) version 2006-07-15
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# Written by Gary V. Vaughan <gary@gnu.org>
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# Copyright (C) 2004, 2005, 2006 Free Software Foundation, Inc.
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# This is free software; see the source for copying conditions. There is NO
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# warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, a copy can be downloaded from
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# http://www.gnu.org/copyleft/gpl.html, or by writing to the Free
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# Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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# MA 02110-1301, USA.
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# Usage: $progname [options]
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# -v --version print version information
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# -h,-? --help print short or long help message
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# You can also set the following variables to help $progname
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# locate the right tools:
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# AUTORECONF, GNULIB_TOOL, RM, SED
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# This script bootstraps a CVS checkout of GNU M4 by correctly
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# calling out to parts of the GNU Build Platform. Currently this
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# requires GNU Autoconf 2.60, GNU Automake 1.9.6, and bleeding edge
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# CVS snapshots of GNU Gnulib.
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# Report bugs to <bug-m4@gnu.org>
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: ${AUTORECONF=autoreconf}
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: ${GNULIB_TOOL=gnulib-tool}
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: ${RM=rm -f}
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: ${SED=sed}
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dirname="s,/[^/]*$,,"
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basename="s,^.*/,,g"
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# Work around backward compatibility issue on IRIX 6.5. On IRIX 6.4+, sh
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# is ksh but when the shell is invoked as "sh" and the current value of
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# the _XPG environment variable is not equal to 1 (one), the special
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# positional parameter $0, within a function call, is the name of the
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# function.
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progpath="$0"
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# The name of this program:
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progname=`echo "$progpath" | $SED "$basename"`
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PROGRAM=bootstrap
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# func_echo arg...
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# Echo program name prefixed message.
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func_echo ()
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{
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echo $progname: ${1+"$@"}
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}
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# func_error arg...
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# Echo program name prefixed message to standard error.
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func_error ()
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{
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echo $progname: ${1+"$@"} >&2
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}
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# func_fatal_error arg...
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# Echo program name prefixed message to standard error, and exit.
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func_fatal_error ()
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{
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func_error ${1+"$@"}
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exit $EXIT_FAILURE
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}
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# func_verbose arg...
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# Echo program name prefixed message in verbose mode only.
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func_verbose ()
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{
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$opt_verbose && func_error ${1+"$@"}
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}
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# func_missing_arg argname
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# Echo program name prefixed message to standard error and set global
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# exit_cmd.
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func_missing_arg ()
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{
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func_error "missing argument for $1"
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exit_cmd=exit
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}
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# func_fatal_help arg...
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# Echo program name prefixed message to standard error, followed by
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# a help hint, and exit.
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func_fatal_help ()
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{
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func_error ${1+"$@"}
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func_fatal_error "Try \`$progname --help' for more information."
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}
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# func_missing_arg argname
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# Echo program name prefixed message to standard error and set global
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# exit_cmd.
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func_missing_arg ()
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{
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func_error "missing argument for $1"
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exit_cmd=exit
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}
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# func_usage
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# Echo short help message to standard output and exit.
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func_usage ()
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{
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$SED '/^# Usage:/,/# -h/ {
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s/^# //; s/^# *$//;
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s/\$progname/'$progname'/;
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p;
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}; d' < "$progpath"
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echo
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echo "run \`$progname --help | more' for full usage"
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exit $EXIT_SUCCESS
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}
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# func_help
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# Echo long help message to standard output and exit.
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func_help ()
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{
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$SED '/^# Usage:/,/# Report bugs to/ {
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s/^# //; s/^# *$//;
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s/\$progname/'$progname'/;
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p;
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}; d' < "$progpath"
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exit $EXIT_SUCCESS
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}
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# func_version
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# Echo version message to standard output and exit.
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func_version ()
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{
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$SED '/^# '$PROGRAM' (GNU /,/# warranty; / {
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s/^# //; s/^# *$//;
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s/\((C)\)[ 0-9,-]*\( [1-9][0-9]*\)/\1\2/;
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p;
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}; d' < "$progpath"
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exit $EXIT_SUCCESS
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}
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# func_update
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# Copy $1 to $2 if it is newer.
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func_update ()
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{
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if test -f "$2" && cmp -s "$1" "$2" ; then
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func_verbose "$2 is up-to-date"
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else
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func_echo "copying $1 -> $2"
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cp "$1" "$2"
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fi
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}
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# Parse options once, thoroughly. This comes as soon as possible in
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# the script to make things like `bootstrap --version' happen quickly.
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{
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# sed scripts:
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my_sed_single_opt='1s/^\(..\).*$/\1/;q'
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my_sed_single_rest='1s/^..\(.*\)$/\1/;q'
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my_sed_long_opt='1s/^\(--[^=]*\)=.*/\1/;q'
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my_sed_long_arg='1s/^--[^=]*=//'
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# this just eases exit handling
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while test $# -gt 0; do
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opt="$1"
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shift
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case $opt in
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# Separate optargs to short options:
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-\?|-h) func_usage ;;
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--help) func_help ;;
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--version) func_version ;;
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--) break ;;
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-*) func_fatal_help "unrecognized option \`$opt'" ;;
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*) set -- "$opt" ${1+"$@"}; break ;;
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esac
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done
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# Bail if the options were screwed
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$exit_cmd $EXIT_FAILURE
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}
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## ---------------------------- ##
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## Find the gnulib module tree. ##
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## ---------------------------- ##
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case $GNULIB_TOOL in
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/* ) gnulibdir=$GNULIB_TOOL ;; # absolute
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*/* ) gnulibdir=`pwd`/$GNULIB_TOOL ;; # relative
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* ) gnulibdir=`which "$GNULIB_TOOL"` ;; # PATH search
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esac
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# Follow symlinks
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while test -h "$gnulibdir"; do
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# Resolve symbolic link.
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sedexpr1='s, -> ,#%%#,'
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sedexpr2='s,^.*#%%#\(.*\)$,\1,p'
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linkval=`LC_ALL=C ls -l "$gnulibdir" | $SED "$sedexpr1" | $SED -n "$sedexpr2"`
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test -n "$linkval" || break
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case "$linkval" in
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/* ) gnulibdir="$linkval" ;;
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* ) gnulibdir=`echo "$gnulibdir" | sed -e 's,/[^/]*$,,'`/"$linkval" ;;
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esac
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done
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gnulibdir=`echo "$gnulibdir" | $SED "$dirname"`
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## ---------------------- ##
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## Import Gnulib modules. ##
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## ---------------------- ##
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func_echo "running: $GNULIB_TOOL --update"
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$GNULIB_TOOL --update || func_fatal_error "gnulib-tool failed"
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## ----------- ##
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## Autoreconf. ##
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## ----------- ##
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func_echo "running: $AUTORECONF --force --verbose --install"
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$AUTORECONF --force --verbose --install || func_fatal_error "autoreconf failed"
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## ---------------------------------------- ##
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## Gnulib is more up-to-date than automake. ##
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## ---------------------------------------- ##
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func_update "$gnulibdir"/build-aux/config.guess config.guess
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func_update "$gnulibdir"/build-aux/config.sub config.sub
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func_update "$gnulibdir"/build-aux/depcomp depcomp
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func_update "$gnulibdir"/build-aux/install-sh install-sh
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func_update "$gnulibdir"/build-aux/mdate-sh doc/mdate-sh
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func_update "$gnulibdir"/build-aux/missing missing
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func_update "$gnulibdir"/build-aux/texinfo.tex doc/texinfo.tex
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func_update "$gnulibdir"/doc/COPYING COPYING
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func_update "$gnulibdir"/doc/INSTALL INSTALL
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exit 0
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# Local variables:
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# eval: (add-hook 'write-file-hooks 'time-stamp)
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# time-stamp-start: "# bootstrap (GNU M4) version "
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# time-stamp-format: "%:y-%02m-%02d"
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# time-stamp-end: "$"
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# End:
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