Hi:
Several weeks ago matias wrote this mail:
Hello all,
It is posible to add an attibute (like '[Export]') for export a
callback function in windows?
In linux work fine the callback functions but in window must add this
to a callback method:
G_MODULE_EXPORT void callback_example ();
When compiling on Linux, this will have absolutely no effect, but when
compiling on Windows, the macro expands to __declspec(dllexport),
which marks the symbol as one to be exported, so that it can be called
by gmodule.
Please this support because is important (in windows only), Thanks!!!
Matias
I think this is really neccesary to the visual C++ compiler, nor to the
mingw compiler, because mingw have default export like gcc in unix. I
have here some code could be useful to shared libraries when you import
it(use the library) o export it(create the library. define the macro -D
VALA_APP_MINE_DLL in compilation time):
#ifndef VALA_APP_MINE_H_INCLUDED
#define VALA_APP_MINE_H_INCLUDED
// define VALA_APP_MINE_DLL when building libgerogreringo
# if defined(_WIN32) && !defined(__GNUC__)
# ifdef VALA_APP_MINE_DLL
# define VALA_APP_MINE_DECL _ _declspec(dllexport)
# else
# define VALA_APP_MINE_DECL _ _declspec(dllimport)
# endif
# else // Unix
# if defined(VALA_APP_MINE_DLL) && defined(HAS_GCC_VISIBILITY)
# define VALA_APP_MINE_DECL _ _attribute_ _((visibility("default")))
# else
# define VALA_APP_MINE_DECL
# endif
# endif
VALA_APP_MINE_DECL void VALA_APP_MINE( );
#endif // VALA_APP_MINE_H_INCLUDED
Stolen from this book:
http://www.cpp-cookbook.com/
Regards.
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