diff options
Diffstat (limited to 'include/freetype/config/public-macros.h')
| -rw-r--r-- | include/freetype/config/public-macros.h | 55 |
1 files changed, 29 insertions, 26 deletions
diff --git a/include/freetype/config/public-macros.h b/include/freetype/config/public-macros.h index b62092ba6..b1fa0f2b3 100644 --- a/include/freetype/config/public-macros.h +++ b/include/freetype/config/public-macros.h @@ -49,39 +49,42 @@ FT_BEGIN_HEADER -/* Define a public FreeType API function. This ensures it is properly exported - * or imported at build time. +/* Mark a function declaration as public. This ensures it will be properly + * exported to client code. Place this before a function declaration. + * + * NOTE: This macro should be considered an internal implementation detail, and + * not part of the FreeType API. It is only defined here because it is needed + * by FT_EXPORT() */ -#ifndef FT_EXPORT - -#ifdef FT2_BUILD_LIBRARY - -#if defined( _WIN32 ) && defined( DLL_EXPORT ) -#define FT_EXPORT( x ) __declspec( dllexport ) x -#elif defined( __GNUC__ ) && __GNUC__ >= 4 -#define FT_EXPORT( x ) __attribute__(( visibility( "default" ) )) x -#elif defined( __SUNPRO_C ) && __SUNPRO_C >= 0x550 -#define FT_EXPORT( x ) __global x -#elif defined( __cplusplus ) -#define FT_EXPORT( x ) extern "C" x -#else -#define FT_EXPORT( x ) extern x +#if defined(_WIN32) +# if defined(FT2_BUILD_LIBRARY) && defined( DLL_EXPORT ) +# define FT_PUBLIC_FUNCTION_ATTRIBUTE __declspec( dllexport ) +# elif defined( DLL_IMPORT ) +# define FT_PUBLIC_FUNCTION_ATTRIBUTE __declspec( dllimport ) +# endif +#elif (defined(__GNUC__) && __GNUC__ >= 4) || defined(__clang__) +# define FT_PUBLIC_FUNCTION_ATTRIBUTE __attribute__((visibility("default"))) +#elif defined(__SUNPRO_C) && __SUNPRO_C >= 0x550 +# define FT_PUBLIC_FUNCTION_ATTRIBUTE __global #endif -#else /* !FT2_BUILD_LIBRARY */ +#ifndef FT_PUBLIC_FUNCTION_ATTRIBUTE +# define FT_PUBLIC_FUNCTION_ATTRIBUTE /* nothing */ +#endif -#if defined( _WIN32 ) && defined( DLL_IMPORT ) -#define FT_EXPORT( x ) __declspec( dllimport ) x -#elif defined( __cplusplus ) -#define FT_EXPORT( x ) extern "C" x +/* Define a public FreeType API function. This ensures it is properly exported + * or imported at build time. The macro parameter is the function's return type + * as in: + * + * FT_EXPORT( FT_Bool ) FT_Object_Method( FT_Object obj, ... ); + * + */ +#ifdef __cplusplus +#define FT_EXPORT( x ) FT_PUBLIC_FUNCTION_ATTRIBUTE extern "C" x #else -#define FT_EXPORT( x ) extern x +#define FT_EXPORT( x ) FT_PUBLIC_FUNCTION_ATTRIBUTE extern x #endif -#endif /* !FT2_BUILD_LIBRARY */ - -#endif /* !FT_EXPORT */ - FT_END_HEADER #endif /* FREETYPE_CONFIG_PUBLIC_MACROS_H_ */ |