| 1 | #! /bin/sh
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| 2 |
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| 3 | # bootstrap (GNU M4) version 2006-09-21
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| 4 | # Written by Gary V. Vaughan <gary@gnu.org>
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| 5 |
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| 6 | # Copyright (C) 2004, 2005, 2006 Free Software Foundation, Inc.
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| 7 | # This is free software; see the source for copying conditions. There is NO
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| 8 | # warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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| 9 |
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| 10 | # This program is free software; you can redistribute it and/or modify
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| 11 | # it under the terms of the GNU General Public License as published by
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| 12 | # the Free Software Foundation; either version 2 of the License, or
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| 13 | # (at your option) any later version.
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| 14 | #
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| 15 | # This program is distributed in the hope that it will be useful, but
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| 16 | # WITHOUT ANY WARRANTY; without even the implied warranty of
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| 17 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 18 | # General Public License for more details.
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| 19 | #
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| 20 | # You should have received a copy of the GNU General Public License
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| 21 | # along with this program; if not, a copy can be downloaded from
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| 22 | # http://www.gnu.org/copyleft/gpl.html, or by writing to the Free
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| 23 | # Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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| 24 | # MA 02110-1301, USA.
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| 25 |
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| 26 | # Usage: $progname [options]
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| 27 |
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| 28 | # -f --force bootstrap even when sources are not from CVS
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| 29 | # -v --version print version information
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| 30 | # -h,-? --help print short or long help message
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| 31 |
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| 32 | # You can also set the following variables to help $progname
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| 33 | # locate the right tools:
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| 34 | # AUTORECONF, GNULIB_TOOL, RM, SED
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| 35 |
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| 36 | # This script bootstraps a CVS checkout of GNU M4 by correctly
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| 37 | # calling out to parts of the GNU Build Platform. Currently this
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| 38 | # requires GNU Autoconf 2.60, GNU Automake 1.9.6, and bleeding edge
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| 39 | # CVS snapshots of GNU Gnulib.
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| 40 |
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| 41 | # Report bugs to <bug-m4@gnu.org>
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| 42 |
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| 43 | : ${AUTORECONF=autoreconf}
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| 44 | : ${GNULIB_TOOL=gnulib-tool}
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| 45 | : ${RM=rm -f}
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| 46 | : ${SED=sed}
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| 47 |
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| 48 | dirname="s,/[^/]*$,,"
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| 49 | basename="s,^.*/,,g"
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| 50 |
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| 51 | # Work around backward compatibility issue on IRIX 6.5. On IRIX 6.4+, sh
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| 52 | # is ksh but when the shell is invoked as "sh" and the current value of
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| 53 | # the _XPG environment variable is not equal to 1 (one), the special
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| 54 | # positional parameter $0, within a function call, is the name of the
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| 55 | # function.
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| 56 | progpath="$0"
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| 57 |
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| 58 | # The name of this program:
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| 59 | progname=`echo "$progpath" | $SED "$basename"`
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| 60 | PROGRAM=bootstrap
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| 61 |
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| 62 | # Detect whether this is a CVS checkout or a tarball
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| 63 | CVS_only_file=HACKING
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| 64 |
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| 65 | # func_echo arg...
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| 66 | # Echo program name prefixed message.
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| 67 | func_echo ()
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| 68 | {
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| 69 | echo $progname: ${1+"$@"}
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| 70 | }
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| 71 |
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| 72 |
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| 73 | # func_error arg...
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| 74 | # Echo program name prefixed message to standard error.
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| 75 | func_error ()
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| 76 | {
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| 77 | echo $progname: ${1+"$@"} >&2
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| 78 | }
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| 79 |
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| 80 | # func_fatal_error arg...
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| 81 | # Echo program name prefixed message to standard error, and exit.
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| 82 | func_fatal_error ()
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| 83 | {
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| 84 | func_error ${1+"$@"}
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| 85 | exit $EXIT_FAILURE
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| 86 | }
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| 87 |
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| 88 | # func_verbose arg...
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| 89 | # Echo program name prefixed message in verbose mode only.
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| 90 | func_verbose ()
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| 91 | {
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| 92 | $opt_verbose && func_error ${1+"$@"}
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| 93 | }
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| 94 |
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| 95 | # func_missing_arg argname
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| 96 | # Echo program name prefixed message to standard error and set global
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| 97 | # exit_cmd.
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| 98 | func_missing_arg ()
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| 99 | {
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| 100 | func_error "missing argument for $1"
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| 101 | exit_cmd=exit
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| 102 | }
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| 103 |
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| 104 | # func_fatal_help arg...
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| 105 | # Echo program name prefixed message to standard error, followed by
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| 106 | # a help hint, and exit.
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| 107 | func_fatal_help ()
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| 108 | {
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| 109 | func_error ${1+"$@"}
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| 110 | func_fatal_error "Try \`$progname --help' for more information."
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| 111 | }
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| 112 |
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| 113 | # func_missing_arg argname
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| 114 | # Echo program name prefixed message to standard error and set global
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| 115 | # exit_cmd.
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| 116 | func_missing_arg ()
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| 117 | {
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| 118 | func_error "missing argument for $1"
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| 119 | exit_cmd=exit
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| 120 | }
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| 121 |
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| 122 | # func_usage
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| 123 | # Echo short help message to standard output and exit.
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| 124 | func_usage ()
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| 125 | {
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| 126 | $SED '/^# Usage:/,/# -h/ {
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| 127 | s/^# //; s/^# *$//;
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| 128 | s/\$progname/'$progname'/;
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| 129 | p;
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| 130 | }; d' < "$progpath"
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| 131 | echo
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| 132 | echo "run \`$progname --help | more' for full usage"
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| 133 | exit $EXIT_SUCCESS
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| 134 | }
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| 135 |
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| 136 | # func_help
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| 137 | # Echo long help message to standard output and exit.
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| 138 | func_help ()
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| 139 | {
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| 140 | $SED '/^# Usage:/,/# Report bugs to/ {
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| 141 | s/^# //; s/^# *$//;
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| 142 | s/\$progname/'$progname'/;
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| 143 | p;
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| 144 | }; d' < "$progpath"
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| 145 | exit $EXIT_SUCCESS
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| 146 | }
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| 147 |
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| 148 | # func_version
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| 149 | # Echo version message to standard output and exit.
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| 150 | func_version ()
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| 151 | {
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| 152 | $SED '/^# '$PROGRAM' (GNU /,/# warranty; / {
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| 153 | s/^# //; s/^# *$//;
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| 154 | s/\((C)\)[ 0-9,-]*\( [1-9][0-9]*\)/\1\2/;
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| 155 | p;
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| 156 | }; d' < "$progpath"
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| 157 | exit $EXIT_SUCCESS
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| 158 | }
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| 159 |
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| 160 | # func_update
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| 161 | # Copy $1 to $2 if it is newer.
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| 162 | func_update ()
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| 163 | {
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| 164 | if test -f "$2" && cmp -s "$1" "$2" ; then
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| 165 | func_verbose "$2 is up-to-date"
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| 166 | else
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| 167 | func_echo "copying $1 -> $2"
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| 168 | cp "$1" "$2"
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| 169 | fi
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| 170 | }
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| 171 |
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| 172 | # Parse options once, thoroughly. This comes as soon as possible in
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| 173 | # the script to make things like `bootstrap --version' happen quickly.
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| 174 | {
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| 175 | # sed scripts:
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| 176 | my_sed_single_opt='1s/^\(..\).*$/\1/;q'
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| 177 | my_sed_single_rest='1s/^..\(.*\)$/\1/;q'
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| 178 | my_sed_long_opt='1s/^\(--[^=]*\)=.*/\1/;q'
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| 179 | my_sed_long_arg='1s/^--[^=]*=//'
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| 180 |
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| 181 | # this just eases exit handling
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| 182 | while test $# -gt 0; do
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| 183 | opt="$1"
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| 184 | shift
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| 185 | case $opt in
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| 186 | # Separate optargs to short options:
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| 187 | -f|--force) CVS_only_file= ;;
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| 188 | -\?|-h) func_usage ;;
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| 189 | --help) func_help ;;
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| 190 | --version) func_version ;;
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| 191 | --) break ;;
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| 192 | -*) func_fatal_help "unrecognized option \`$opt'" ;;
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| 193 | *) set -- "$opt" ${1+"$@"}; break ;;
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| 194 | esac
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| 195 | done
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| 196 |
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| 197 | # Bail if the options were screwed
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| 198 | $exit_cmd $EXIT_FAILURE
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| 199 |
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| 200 | if test -n "$CVS_only_file" && test ! -r "$CVS_only_file"; then
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| 201 | func_fatal_error "Bootstrapping from a non-CVS distribution is risky."
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| 202 | fi
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| 203 | }
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| 204 |
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| 205 | ## ---------------------------- ##
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| 206 | ## Find the gnulib module tree. ##
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| 207 | ## ---------------------------- ##
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| 208 |
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| 209 | case $GNULIB_TOOL in
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| 210 | /* ) gnulibdir=$GNULIB_TOOL ;; # absolute
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| 211 | */* ) gnulibdir=`pwd`/$GNULIB_TOOL ;; # relative
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| 212 | * ) gnulibdir=`which "$GNULIB_TOOL"` ;; # PATH search
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| 213 | esac
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| 214 |
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| 215 | # Follow symlinks
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| 216 | while test -h "$gnulibdir"; do
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| 217 |
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| 218 | # Resolve symbolic link.
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| 219 | sedexpr1='s, -> ,#%%#,'
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| 220 | sedexpr2='s,^.*#%%#\(.*\)$,\1,p'
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| 221 | linkval=`LC_ALL=C ls -l "$gnulibdir" | $SED "$sedexpr1" | $SED -n "$sedexpr2"`
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| 222 | test -n "$linkval" || break
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| 223 |
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| 224 | case "$linkval" in
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| 225 | /* ) gnulibdir="$linkval" ;;
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| 226 | * ) gnulibdir=`echo "$gnulibdir" | sed -e 's,/[^/]*$,,'`/"$linkval" ;;
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| 227 | esac
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| 228 |
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| 229 | done
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| 230 |
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| 231 | gnulibdir=`echo "$gnulibdir" | $SED "$dirname"`
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| 232 |
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| 233 | ## ---------------------- ##
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| 234 | ## Import Gnulib modules. ##
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| 235 | ## ---------------------- ##
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| 236 |
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| 237 | func_echo "running: $GNULIB_TOOL --update"
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| 238 | $GNULIB_TOOL --update || func_fatal_error "gnulib-tool failed"
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| 239 |
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| 240 | ## ----------- ##
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| 241 | ## Autoreconf. ##
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| 242 | ## ----------- ##
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| 243 |
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| 244 | func_echo "running: $AUTORECONF --force --verbose --install"
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| 245 | $AUTORECONF --force --verbose --install || func_fatal_error "autoreconf failed"
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| 246 |
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| 247 | ## ---------------------------------------- ##
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| 248 | ## Gnulib is more up-to-date than automake. ##
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| 249 | ## ---------------------------------------- ##
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| 250 |
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| 251 | func_update "$gnulibdir"/build-aux/config.guess config.guess
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| 252 | func_update "$gnulibdir"/build-aux/config.sub config.sub
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| 253 | func_update "$gnulibdir"/build-aux/depcomp depcomp
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| 254 | func_update "$gnulibdir"/build-aux/install-sh install-sh
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| 255 | func_update "$gnulibdir"/build-aux/mdate-sh doc/mdate-sh
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| 256 | func_update "$gnulibdir"/build-aux/missing missing
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| 257 | func_update "$gnulibdir"/build-aux/texinfo.tex doc/texinfo.tex
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| 258 | func_update "$gnulibdir"/doc/COPYING COPYING
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| 259 | func_update "$gnulibdir"/doc/INSTALL INSTALL
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| 260 |
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| 261 | exit 0
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| 262 |
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| 263 | # Local variables:
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| 264 | # eval: (add-hook 'write-file-hooks 'time-stamp)
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| 265 | # time-stamp-start: "# bootstrap (GNU M4) version "
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| 266 | # time-stamp-format: "%:y-%02m-%02d"
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| 267 | # time-stamp-end: "$"
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| 268 | # End:
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