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new file for libmidi++ export control

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Paul Davis 2013-10-17 09:56:43 -04:00
parent e89f129e5e
commit a7f156e005
1 changed files with 56 additions and 0 deletions
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56
libs/midi++2/midi++/libmidi_visibility.h Normal file
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/*
Copyright (C) 2013 Paul Davis
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 2 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, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __libmidi_libmidi_visibility_h__
#define __libmidi_libmidi_visibility_h__
/* _WIN32 is defined by most compilers targetting Windows, but within the
* midi source tree, we also define COMPILER_MSVC or COMPILER_MINGW depending
* on how a Windows build is built.
*/
#if defined _WIN32 || defined __CYGWIN__ || defined(COMPILER_MSVC) || defined(COMPILER_MINGW)
#define LIBMIDIPP_DLL_IMPORT __declspec(dllimport)
#define LIBMIDIPP_DLL_EXPORT __declspec(dllexport)
#define LIBMIDIPP_DLL_LOCAL
#else
#if __GNUC__ >= 4
#define LIBMIDIPP_DLL_IMPORT __attribute__ ((visibility ("default")))
#define LIBMIDIPP_DLL_EXPORT __attribute__ ((visibility ("default")))
#define LIBMIDIPP_DLL_LOCAL __attribute__ ((visibility ("hidden")))
#else
#define LIBMIDIPP_DLL_IMPORT
#define LIBMIDIPP_DLL_EXPORT
#define LIBMIDIPP_DLL_LOCAL
#endif
#endif
#ifdef LIBMIDIPP_DLL // libmidi is a DLL
#ifdef LIBMIDIPP_DLL_EXPORTS // defined if we are building the libmidi DLL (instead of using it)
#define LIBMIDIPP_API LIBMIDIPP_DLL_EXPORT
#else
#define LIBMIDIPP_API LIBMIDIPP_DLL_IMPORT
#endif
#define LIBMIDIPP_LOCAL LIBMIDIPP_DLL_LOCAL
#else /* static lib, not DLL */
#define LIBMIDIPP_API
#define LIBMIDIPP_LOCAL
#endif
#endif /* __libmidi_libmidi_visibility_h__ */