3 # bootstrap (GNU M4) version 2007-07-24
4 # Written by Gary V. Vaughan <gary@gnu.org>
6 # Copyright (C) 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
8 # This file is part of GNU M4.
10 # GNU M4 is free software: you can redistribute it and/or modify
11 # it under the terms of the GNU General Public License as published by
12 # the Free Software Foundation, either version 3 of the License, or
13 # (at your option) any later version.
15 # GNU M4 is distributed in the hope that it will be useful,
16 # but WITHOUT ANY WARRANTY; without even the implied warranty of
17 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 # GNU General Public License for more details.
20 # You should have received a copy of the GNU General Public License
21 # along with this program. If not, see <http://www.gnu.org/licenses/>.
23 # Usage: $progname [options]
25 # -f --force bootstrap even when sources are not from CVS
26 # -v --version print version information
27 # -h,-? --help print short or long help message
29 # You can also set the following variables to help $progname
30 # locate the right tools:
31 # AUTORECONF, GNULIB_TOOL, RM, SED
33 # This script bootstraps a CVS checkout of GNU M4 by correctly
34 # calling out to parts of the GNU Build Platform. Currently this
35 # requires GNU Autoconf 2.60, GNU Automake 1.9.6, and bleeding edge
36 # CVS snapshots of GNU Gnulib.
38 # Report bugs to <bug-m4@gnu.org>
40 : ${AUTORECONF=autoreconf}
41 : ${GNULIB_TOOL=gnulib-tool}
48 # Work around backward compatibility issue on IRIX 6.5. On IRIX 6.4+, sh
49 # is ksh but when the shell is invoked as "sh" and the current value of
50 # the _XPG environment variable is not equal to 1 (one), the special
51 # positional parameter $0, within a function call, is the name of the
55 # The name of this program:
56 progname
=`echo "$progpath" | $SED "$basename"`
59 # Detect whether this is a CVS checkout or a tarball
63 # Echo program name prefixed message.
66 echo $progname: ${1+"$@"}
71 # Echo program name prefixed message to standard error.
74 echo $progname: ${1+"$@"} >&2
77 # func_fatal_error arg...
78 # Echo program name prefixed message to standard error, and exit.
86 # Echo program name prefixed message in verbose mode only.
89 $opt_verbose && func_error
${1+"$@"}
92 # func_missing_arg argname
93 # Echo program name prefixed message to standard error and set global
97 func_error
"missing argument for $1"
101 # func_fatal_help arg...
102 # Echo program name prefixed message to standard error, followed by
103 # a help hint, and exit.
107 func_fatal_error
"Try \`$progname --help' for more information."
110 # func_missing_arg argname
111 # Echo program name prefixed message to standard error and set global
115 func_error
"missing argument for $1"
120 # Echo short help message to standard output and exit.
123 $SED '/^# Usage:/,/# -h/ {
125 s/\$progname/'$progname'/;
129 echo "run \`$progname --help | more' for full usage"
134 # Echo long help message to standard output and exit.
137 $SED '/^# Usage:/,/# Report bugs to/ {
139 s/\$progname/'$progname'/;
146 # Echo version message to standard output and exit.
149 $SED '/^# '$PROGRAM' (GNU /,/# warranty; / {
151 s/\((C)\)[ 0-9,-]*\( [1-9][0-9]*\)/\1\2/;
158 # Copy $1 to $2 if it is newer.
161 if test -f "$2" && cmp -s "$1" "$2" ; then
162 func_verbose
"$2 is up-to-date"
164 func_echo
"copying $1 -> $2"
169 # Parse options once, thoroughly. This comes as soon as possible in
170 # the script to make things like `bootstrap --version' happen quickly.
173 my_sed_single_opt
='1s/^\(..\).*$/\1/;q'
174 my_sed_single_rest
='1s/^..\(.*\)$/\1/;q'
175 my_sed_long_opt
='1s/^\(--[^=]*\)=.*/\1/;q'
176 my_sed_long_arg
='1s/^--[^=]*=//'
178 # this just eases exit handling
179 while test $# -gt 0; do
183 # Separate optargs to short options:
184 -f|
--force) CVS_only_file
= ;;
185 -\?|
-h) func_usage
;;
187 --version) func_version
;;
189 -*) func_fatal_help
"unrecognized option \`$opt'" ;;
190 *) set -- "$opt" ${1+"$@"}; break ;;
194 # Bail if the options were screwed
195 $exit_cmd $EXIT_FAILURE
197 if test -n "$CVS_only_file" && test ! -r "$CVS_only_file"; then
198 func_fatal_error
"Bootstrapping from a non-CVS distribution is risky."
202 ## ---------------------------- ##
203 ## Find the gnulib module tree. ##
204 ## ---------------------------- ##
207 /* ) gnulibdir
=$GNULIB_TOOL ;; # absolute
208 */* ) gnulibdir
=`pwd`/$GNULIB_TOOL ;; # relative
209 * ) gnulibdir
=`which "$GNULIB_TOOL"` ;; # PATH search
213 while test -h "$gnulibdir"; do
215 # Resolve symbolic link.
216 sedexpr1
='s, -> ,#%%#,'
217 sedexpr2
='s,^.*#%%#\(.*\)$,\1,p'
218 linkval
=`LC_ALL=C ls -l "$gnulibdir" | $SED "$sedexpr1" | $SED -n "$sedexpr2"`
219 test -n "$linkval" ||
break
222 /* ) gnulibdir
="$linkval" ;;
223 * ) gnulibdir
=`echo "$gnulibdir" | sed -e 's,/[^/]*$,,'`/"$linkval" ;;
228 gnulibdir
=`echo "$gnulibdir" | $SED "$dirname"`
230 ## ---------------------- ##
231 ## Import Gnulib modules. ##
232 ## ---------------------- ##
234 func_echo
"running: $GNULIB_TOOL --update"
235 $GNULIB_TOOL --update || func_fatal_error
"gnulib-tool failed"
241 func_echo
"running: $AUTORECONF --force --verbose --install"
242 $AUTORECONF --force --verbose --install || func_fatal_error
"autoreconf failed"
244 ## ---------------------------------------- ##
245 ## Gnulib is more up-to-date than automake. ##
246 ## ---------------------------------------- ##
248 func_update
"$gnulibdir"/build-aux
/config.guess config.guess
249 func_update
"$gnulibdir"/build-aux
/config.sub config.sub
250 func_update
"$gnulibdir"/build-aux
/depcomp depcomp
251 func_update
"$gnulibdir"/build-aux
/install-sh install-sh
252 func_update
"$gnulibdir"/build-aux
/mdate-sh
doc
/mdate-sh
253 func_update
"$gnulibdir"/build-aux
/missing missing
254 func_update
"$gnulibdir"/build-aux
/texinfo.tex
doc
/texinfo.tex
255 func_update
"$gnulibdir"/doc
/COPYINGv3 COPYING
256 func_update
"$gnulibdir"/doc
/INSTALL INSTALL
261 # eval: (add-hook 'write-file-hooks 'time-stamp)
262 # time-stamp-start: "# bootstrap (GNU M4) version "
263 # time-stamp-format: "%:y-%02m-%02d"
264 # time-stamp-end: "$"