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SFML shared libraries now use ELF visibility on Unixes with gcc >= 4

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This commit is contained in:
Laurent Gomila 2011-10-16 19:30:37 +02:00
parent 512a7c63cb
commit eed112d9ea
2 changed files with 59 additions and 33 deletions
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46
include/SFML/Config.hpp
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@ -97,32 +97,50 @@
////////////////////////////////////////////////////////////
// Define portable import / export macros
////////////////////////////////////////////////////////////
#if defined(SFML_SYSTEM_WINDOWS) && !defined(SFML_STATIC)
#if !defined(SFML_STATIC)
#ifdef SFML_EXPORTS
#if defined(SFML_SYSTEM_WINDOWS)
// From DLL side, we must export
#define SFML_API __declspec(dllexport)
#ifdef SFML_EXPORTS
#else
// From DLL side, we must export
#define SFML_API __declspec(dllexport)
// From client application side, we must import
#define SFML_API __declspec(dllimport)
#else
#endif
// From client application side, we must import
#define SFML_API __declspec(dllimport)
// For Visual C++ compilers, we also need to turn off this annoying C4251 warning.
// You can read lots ot different things about it, but the point is the code will
// just work fine, and so the simplest way to get rid of this warning is to disable it
#ifdef _MSC_VER
#endif
#pragma warning(disable : 4251)
// For Visual C++ compilers, we also need to turn off this annoying C4251 warning.
// You can read lots ot different things about it, but the point is the code will
// just work fine, and so the simplest way to get rid of this warning is to disable it
#ifdef _MSC_VER
#pragma warning(disable : 4251)
#endif
#else // Linux, FreeBSD, Mac OS X
#if __GNUC__ >= 4
// gcc 4 has special keywords for showing/hidding symbols
#define SFML_API __attribute__ ((visibility ("default")))
#else
// gcc < 4 has no mechanism to explicitely hide symbols, everything's exported
#define SFML_API
#endif
#endif
#else
// Other platforms and static build don't need these export macros
// Static build doesn't need these export macros
#define SFML_API
#endif