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livetrax/libs/midi++2/midi++/libmidi_visibility.h

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new file for libmidi++ export control
2013-10-17 09:56:43 -04:00
/*
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__
Only use __declspec(dllimport/dllexport) for MSVC compiler Use the gcc visibility attributes when building with the MinGW compiler(gcc). GCC also supports the __declspec syntax but it will not compile at the moment until the issues(which may not even be exactly the same issues as with MSVC) are resolved.
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#if defined(COMPILER_MSVC)
new file for libmidi++ export control
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#define LIBMIDIPP_DLL_IMPORT __declspec(dllimport)
#define LIBMIDIPP_DLL_EXPORT __declspec(dllexport)
#define LIBMIDIPP_DLL_LOCAL
#else
reverse the visibility.h files assumptions that we don't build shared libs by default This avoids having to define define LIBFOO_DLL=1 all over the place. If we ever go with static libs we will need to define LIBFOO_STATIC=1 but hopefully in some central location like the top level wscript. Oh, and I also dropped support for gcc older than version 4.x because ardour will already not build on such an old version.
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#define LIBMIDIPP_DLL_IMPORT __attribute__ ((visibility ("default")))
#define LIBMIDIPP_DLL_EXPORT __attribute__ ((visibility ("default")))
#define LIBMIDIPP_DLL_LOCAL __attribute__ ((visibility ("hidden")))
new file for libmidi++ export control
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#endif
reverse the visibility.h files assumptions that we don't build shared libs by default This avoids having to define define LIBFOO_DLL=1 all over the place. If we ever go with static libs we will need to define LIBFOO_STATIC=1 but hopefully in some central location like the top level wscript. Oh, and I also dropped support for gcc older than version 4.x because ardour will already not build on such an old version.
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#ifdef LIBMIDIPP_STATIC // libmidi is not a DLL
#define LIBMIDIPP_API
#define LIBMIDIPP_LOCAL
new file for libmidi++ export control
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#else
reverse the visibility.h files assumptions that we don't build shared libs by default This avoids having to define define LIBFOO_DLL=1 all over the place. If we ever go with static libs we will need to define LIBFOO_STATIC=1 but hopefully in some central location like the top level wscript. Oh, and I also dropped support for gcc older than version 4.x because ardour will already not build on such an old version.
2013-10-18 11:50:44 -04:00
#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
new file for libmidi++ export control
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#endif
#endif /* __libmidi_libmidi_visibility_h__ */
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