weakjack.h
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/*
Copyright (C) 2010 Paul Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef __weakjack_h__
#define __weakjack_h__
#ifndef JACK_OPTIONAL_WEAK_EXPORT
/* JACK_OPTIONAL_WEAK_EXPORT needs to be a macro which
expands into a compiler directive. If non-null, the directive
must tell the compiler to arrange for weak linkage of
the symbol it used with. For this to work fully may
require linker arguments for the client as well.
*/
#ifdef __GNUC__
#define JACK_OPTIONAL_WEAK_EXPORT __attribute__((__weak__))
#else
/* Add other things here for non-gcc platforms */
#endif
#endif
#ifndef JACK_OPTIONAL_WEAK_DEPRECATED_EXPORT
/* JACK_OPTIONAL_WEAK_DEPRECATED_EXPORT needs to be a macro
which expands into a compiler directive. If non-null, the directive
must tell the compiler to arrange for weak linkage of the
symbol it is used with AND optionally to mark the symbol
as deprecated. For this to work fully may require
linker arguments for the client as well.
*/
#ifdef __GNUC__
#define JACK_OPTIONAL_WEAK_DEPRECATED_EXPORT __attribute__((__weak__,__deprecated__))
#else
/* Add other things here for non-gcc platforms */
#endif
#endif
#endif /* weakjack */