mirror of
https://github.com/RetroShare/RetroShare.git
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935745a08e
git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@246 b45a01b8-16f6-495d-af2f-9b41ad6348cc
85 lines
2.3 KiB
C
85 lines
2.3 KiB
C
/****************************************************************
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* RetroShare is distributed under the following license:
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*
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* Copyright (C) 2006,2007 crypton
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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****************************************************************/
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#ifndef DLLEXPORT_H
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#define DLLEXPORT_H
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#include <util/global.h>
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/**
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* @file dllexport.h
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*
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* Header that export symbols for creating a .dll under Windows.
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* Example:
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* <pre>
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* #ifdef MY_DLL
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* #ifdef BUILDING_DLL
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* #define API DLLEXPORT
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* #else
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* #define API DLLIMPORT
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* #endif
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* #else
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* #define API
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* #endif
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*
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* class API MyClass
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* API int publicFunction()
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* class EXCEPTIONAPI(API) PublicThrowableClass
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* class DLLLOCAL MyClass
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* </pre>
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*
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* You should define DLL if you want to use the library as a shared one
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* + when you build the library you should define BUILDING_DLL
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* GCC > v4.0 support library visibility attributes.
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*
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* @see http://gcc.gnu.org/wiki/Visibility
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*
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*/
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//Shared library support
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#ifdef OS_WIN32
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#define DLLIMPORT __declspec(dllimport)
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#define DLLEXPORT __declspec(dllexport)
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#define DLLLOCAL
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#define DLLPUBLIC
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#else
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#define DLLIMPORT
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#ifdef CC_GCC4
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#define DLLEXPORT __attribute__ ((visibility("default")))
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#define DLLLOCAL __attribute__ ((visibility("hidden")))
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#define DLLPUBLIC __attribute__ ((visibility("default")))
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#else
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#define DLLEXPORT
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#define DLLLOCAL
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#define DLLPUBLIC
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#endif
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#endif
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//Throwable classes must always be visible on GCC in all binaries
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#ifdef OS_WIN32
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#define EXCEPTIONAPI(api) api
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#elif defined(GCC_HASCLASSVISIBILITY)
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#define EXCEPTIONAPI(api) DLLEXPORT
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#else
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#define EXCEPTIONAPI(api)
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#endif
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#endif //DLLEXPORT_H
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