00001 00007 /* 00008 This library is free software; you can redistribute it and/or 00009 modify it under the terms of the GNU Lesser General Public 00010 License as published by the Free Software Foundation; either 00011 version 2.1 of the License, or (at your option) any later version. 00012 00013 This library is distributed in the hope that it will be useful, 00014 but WITHOUT ANY WARRANTY; without even the implied warranty of 00015 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00016 Lesser General Public License for more details. 00017 00018 You should have received a copy of the GNU Lesser General Public 00019 License along with this library; if not, write to the Free Software 00020 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 00021 */ 00022 00023 #ifndef OMGUI_DLLIMPEXP_H 00024 #define OMGUI_DLLIMPEXP_H 00025 00026 #ifdef OMGUI_WIN32 00027 # define OMGUI_IMPORT __declspec(dllimport) 00028 # define OMGUI_EXPORT __declspec(dllexport) 00029 # define OMGUI_DLL_LOCAL 00030 # define OMGUI_DLL_PUBLIC 00031 #else 00032 # define OMGUI_IMPORT 00033 # if __GNUC__ >= 4 // Using GCC which has C++ visibility support 00034 # define OMGUI_EXPORT __attribute__ ((visibility("default"))) 00035 # define OMGUI_DLL_LOCAL __attribute__ ((visibility("hidden"))) 00036 // A macro for default visibility without __declspec(dllexport) on win32. 00037 // Do we ever need this? Also, do we need a macro for __declspec(dllexport) 00038 // only, without default visibility? - class forward declarations? 00039 # define OMGUI_DLL_PUBLIC __attribute__ ((visibility("default"))) 00040 # else 00041 # define OMGUI_EXPORT 00042 # define OMGUI_DLL_LOCAL 00043 # define OMGUI_DLL_PUBLIC 00044 # endif 00045 #endif // !OMGUI_WIN32 00046 00047 // For every non-templated class definition in the library (both header and 00048 // source files), decide if it is publicially use or internally used: 00049 // * If it's publicially used, mark with OMGUI_API like "class OMGUI_API PublicClass" 00050 // * If it's only internally used, optionally mark with OMGUI_DLL_LOCAL like 00051 // "class OMGUI_DLL_LOCAL PrivateClass". It is probably better to not use 00052 // OMGUI_DLL_LOCAL at all, and instead make sure every API interface is 00053 // marked with OMGUI_API, and enforce the usage of -fvisibility=hidden in 00054 // our Makefile's CXXFLAGS when the compiler is gcc4 or newer. Some more 00055 // research required to make the final decision on that. 00056 #ifdef OMGUI_DLL 00057 # ifdef OMGUI_BUILDING // Use the more standard OMGUI_EXPORTS instead? 00058 # define OMGUI_API OMGUI_EXPORT 00059 # else 00060 # define OMGUI_API OMGUI_IMPORT 00061 # endif 00062 #else 00063 # define OMGUI_API 00064 #endif 00065 00066 // Use OMGUI_EXCEPTION_API(OMGUI_API) for exceptions that can be thrown 00067 // across a shared object boundary, like this: 00068 // "class OMGUI_EXCEPTION_API(OMGUI_API) PublicThrowableClass" 00069 // No need to do this for types which are never thrown across the shared 00070 // object bounary. That is, don't use this if the application must not be 00071 // able to catch the exception. 00072 #ifdef OMGUI_WIN32 00073 # define OMGUI_EXCEPTION_API(api) api 00074 #elif __GNUC__ >= 4 // Using GCC which has C++ visibility support 00075 # define OMGUI_EXCEPTION_API(api) OMGUI_EXPORT 00076 #else 00077 # define OMGUI_EXCEPTION_API(api) 00078 #endif 00079 00080 #endif // OMGUI_DLLIMPEXP_H