3 # Copyright (C) 2002-2008 Free Software Foundation, Inc.
5 # This program is free software: you can redistribute it and/or modify
6 # it under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; either version 3 of the License, or
8 # (at your option) any later version.
10 # This program is distributed in the hope that it will be useful,
11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 # GNU General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program. If not, see <http://www.gnu.org/licenses/>.
23 # outputs to stdout the --help usage message.
29 Report bugs to <bug-gnulib@gnu.org>."
33 # outputs to stdout the --version message.
37 if test -d "$gnulib_dir"/.git \
38 && (git --version) >/dev/null 2>/dev/null \
39 && (date --version) >/dev/null 2>/dev/null; then
40 # gnulib checked out from git.
41 sed_extract_first_date='/^Date/{
45 date=`cd "$gnulib_dir" && git log ChangeLog | sed -n -e "$sed_extract_first_date"`
46 # Turn "Fri Mar 21 07:16:51 2008 -0600" into "Mar 21 2008 07:16:51 -0600".
47 sed_year_before_time='s/^[^ ]* \([^ ]*\) \([0-9]*\) \([0-9:]*\) \([0-9]*\) /\1 \2 \4 \3 /'
48 date=`echo "$date" | sed -e "$sed_year_before_time"`
49 # Use GNU date to compute the time in GMT.
50 date=`date -d "$date" -u +"%Y-%m-%d %H:%M:%S"`
51 version=' '`cd "$gnulib_dir" && ./build-aux/git-version-gen /dev/null | sed -e 's/-dirty/-modified/'`
53 if test -d "$gnulib_dir"/CVS \
54 && (cvs --version) >/dev/null 2>/dev/null; then
55 # gnulib checked out from CVS.
56 sed_extract_first_date='/^date: /{
57 s/^date: \([0-9][0-9][0-9][0-9]\).\([0-9][0-9]\).\([0-9][0-9]\) \([0-9][0-9]:[0-9][0-9]:[0-9][0-9]\).*/\1-\2-\3 \4/p
60 date=`cd "$gnulib_dir" && cvs log -N ChangeLog 2>/dev/null | sed -n -e "$sed_extract_first_date"`
62 # gnulib copy without versioning information.
63 date=`sed -e 's/ .*//;q' "$gnulib_dir"/ChangeLog`
67 year=`"$gnulib_dir"/build-aux/mdate-sh "$self_abspathname" | sed 's,^.* ,,'`
69 gnulib-tool (GNU $package $date)$version
70 Copyright (C) $year Free Software Foundation, Inc.
71 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
72 This is free software: you are free to change and redistribute it.
73 There is NO WARRANTY, to the extent permitted by law.
75 Written by" "Bruno Haible"
79 # exits with a given status.
80 # This function needs to be used, rather than 'exit', when a 'trap' handler is
81 # in effect that refers to $?.
88 # locates the directory where the gnulib repository lives
90 # - self_abspathname absolute pathname of gnulib-tool
91 # - gnulib_dir absolute pathname of gnulib repository
95 /*) self_abspathname="$0" ;;
96 */*) self_abspathname=`pwd`/"$0" ;;
99 # Iterate through the elements of $PATH.
100 # We use IFS=: instead of
101 # for d in `echo ":$PATH:" | sed -e 's/:::*/:.:/g' | sed -e 's/:/ /g'`
102 # because the latter does not work when some PATH element contains spaces.
103 # We use a canonicalized $pathx instead of $PATH, because empty PATH
104 # elements are by definition equivalent to '.', however field splitting
105 # according to IFS=: loses empty fields in many shells:
106 # - /bin/sh on OSF/1 and Solaris loses all empty fields (at the
107 # beginning, at the end, and in the middle),
108 # - /bin/sh on IRIX and /bin/ksh on IRIX and OSF/1 lose empty fields
109 # at the beginning and at the end,
110 # - GNU bash, /bin/sh on AIX and HP-UX, and /bin/ksh on AIX, HP-UX,
111 # Solaris lose empty fields at the end.
112 # The 'case' statement is an optimization, to avoid evaluating the
113 # explicit canonicalization command when $PATH contains no empty fields.
115 if test "${PATH_SEPARATOR+set}" != set; then
117 { echo "#! /bin/sh"; echo "exit 0"; } > "$tmp"/conf.sh
118 chmod +x "$tmp"/conf.sh
119 if (PATH="/nonexistent;$tmp"; conf.sh) >/dev/null 2>&1; then
126 if test "$PATH_SEPARATOR" = ";"; then
127 # On Windows, programs are searched in "." before $PATH.
130 # On Unix, we have to convert empty PATH elements to ".".
134 pathx=`echo ":$PATH:" | sed -e 's/:::*/:.:/g' -e 's/^://' -e 's/:\$//'`
139 IFS="$PATH_SEPARATOR"
143 if test -x "$d/$0" && test ! -d "$d/$0"; then
144 self_abspathname="$d/$0"
149 if test -z "$self_abspathname"; then
150 func_fatal_error "could not locate the gnulib-tool program - how did you invoke it?"
154 while test -h "$self_abspathname"; do
155 # Resolve symbolic link.
156 linkval=`func_readlink "$self_abspathname"`
157 test -n "$linkval" || break
159 /* ) self_abspathname="$linkval" ;;
160 * ) self_abspathname=`echo "$self_abspathname" | sed -e 's,/[^/]*$,,'`/"$linkval" ;;
163 gnulib_dir=`echo "$self_abspathname" | sed -e 's,/[^/]*$,,'`
167 # creates a temporary directory.
169 # - tmp pathname of freshly created temporary directory
172 # Use the environment variable TMPDIR, falling back to /tmp. This allows
173 # users to specify a different temporary directory, for example, if their
174 # /tmp is filled up or too small.
177 # Use the mktemp program if available. If not available, hide the error
179 tmp=`(umask 077 && mktemp -d "$TMPDIR/glXXXXXX") 2>/dev/null` &&
180 test -n "$tmp" && test -d "$tmp"
183 # Use a simple mkdir command. It is guaranteed to fail if the directory
184 # already exists. $RANDOM is bash specific and expands to empty in shells
185 # other than bash, ksh and zsh. Its use does not increase security;
186 # rather, it minimizes the probability of failure in a very cluttered /tmp
188 tmp=$TMPDIR/gl$$-$RANDOM
189 (umask 077 && mkdir "$tmp")
192 echo "$0: cannot create a temporary directory in $TMPDIR" >&2
197 # func_fatal_error message
198 # outputs to stderr a fatal error message, and terminates the program.
201 echo "gnulib-tool: *** $1" 1>&2
202 echo "gnulib-tool: *** Stop." 1>&2
206 # func_readlink SYMLINK
207 # outputs the target of the given symlink.
208 if (type -p readlink) > /dev/null 2>&1; then
211 # Use the readlink program from GNU coreutils.
217 # Use two sed invocations. A single sed -n -e 's,^.* -> \(.*\)$,\1,p'
218 # would do the wrong thing if the link target contains " -> ".
219 LC_ALL=C ls -l "$1" | sed -e 's, -> ,#%%#,' | sed -n -e 's,^.*#%%#\(.*\)$,\1,p'
223 # Command-line option processing.
224 while test $# -gt 0; do
226 --help | --hel | --he | --h )
229 --version | --versio | --versi | --vers | --ver | --ve | --v )
233 echo "posix-modules: unknown option $1" 1>&2
234 echo "Try 'posix-modules --help' for more information." 1>&2
237 echo "posix-modules: too many arguments" 1>&2
238 echo "Try 'posix-modules --help' for more information." 1>&2
244 # Get the header modules.
245 LC_ALL=C grep -h '^Gnulib module: ' "$gnulib_dir"/doc/posix-headers/* 2>/dev/null \
246 | sed -e 's,^Gnulib module: ,,'
247 # Get the function modules.
248 LC_ALL=C grep -h '^Gnulib module: ' "$gnulib_dir"/doc/posix-functions/* 2>/dev/null \
249 | sed -e 's,^Gnulib module: ,,'
250 # Then filter out the words "---", ",", "and", "or" and remove *-gnu modules.
251 ) | sed -e 's/,/ /g' | LC_ALL=C sort | LC_ALL=C uniq \
252 | { # Then filter out the words "---", "and", "or" and remove *-gnu modules.
253 tr ' ' '\012' | sed -e '/^---$/d' -e '/^and$/d' -e '/^or$/d' -e '/-gnu$/d'
255 | LC_ALL=C sort | LC_ALL=C uniq