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/*
* libexplain - Explain errno values returned by libc functions
* Copyright (C) 2008, 2009, 2011, 2012 Peter Miller
* Written by Peter Miller <pmiller@opensource.org.au>
*
* 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 3 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. If not, see <http://www.gnu.org/licenses/>.
*/
if [find_command ctags] then
{
/*
* There are three different versions of these commands,
* and they take completely different command line options. We
* assume minimal posix syntax if nothing better is available.
* (What were they thinking? Were they even thinking?)
*/
ctags-variant = posix;
ctags = ctags;
ctags-opts = ;
etags = ctags;
etags-opts = ;
/*
* The '|| true' is needed because if ctags fails the build stops.
*/
ctags-version = [collect ctags --version 2>/dev/null || true];
if [in Exuberant [ctags-version]] then
{
ctags-variant = exuberant;
}
else
if [in Emacs [ctags-version]] then
{
ctags-variant = emacs;
}
all += tags;
if [find_command etags] then
{
etags = etags;
all += TAGS;
}
/*
* xargs can invoke ctags/etags more than once if the underling
* shell does not handle so much arguments. In order to not
* truncate the target the '-a' options must be used. It is posix
* compliant and should be supported by different ctags variant.
*/
ctags-opts = -a;
if [in posix [ctags-variant]] then
ctags-opts += -f;
if [in exuberant [ctags-variant]] then
{
ctags-opts += --c-types\=+px -f;
etags = ctags -e;
all += TAGS;
}
/*
* The (GNU) Emacs variant of ctags (based an Exuberant) use -o
* to set the output file name.
*/
if [in emacs [ctags-variant]] then
{
etags-opts = [ctags-opts]
--declarations -o ;
ctags-opts += --declarations --defines --globals --members --typedefs
--no-warn /* (--no-warn option only works for ctags) */
-o
;
}
}
tags: [change_files]
set shallow no-cascade
{
function quiet_print Generate;
xargs ctags [ctags-opts] [target]
set meter;
data
[unsplit "\n" [resolve [source_files]]]
dataend
}
TAGS: [change_files]
set shallow no-cascade
{
function quiet_print Generate;
xargs [etags] [etags-opts]
set meter;
data
[unsplit "\n" [resolve [source_files]]]
dataend
}
/* vim: set ts=8 sw=4 et : */
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