diff options
Diffstat (limited to 'core/src/fxcodec/fx_libopenjpeg/libopenjpeg20/openjpeg.h')
| -rw-r--r-- | core/src/fxcodec/fx_libopenjpeg/libopenjpeg20/openjpeg.h | 34 |
1 files changed, 30 insertions, 4 deletions
diff --git a/core/src/fxcodec/fx_libopenjpeg/libopenjpeg20/openjpeg.h b/core/src/fxcodec/fx_libopenjpeg/libopenjpeg20/openjpeg.h index b1e1c294c8..4a8e75ce5a 100644 --- a/core/src/fxcodec/fx_libopenjpeg/libopenjpeg20/openjpeg.h +++ b/core/src/fxcodec/fx_libopenjpeg/libopenjpeg20/openjpeg.h @@ -76,10 +76,36 @@ Most compilers implement their own version of this keyword ... #define OPJ_DEPRECATED(func) func #endif -// PDFium doesn't need to export any of these methods. -#define OPJ_API -#define OPJ_LOCAL -#define OPJ_CALLCONV +#if defined(OPJ_STATIC) || !defined(_WIN32) +/* http://gcc.gnu.org/wiki/Visibility */ +# if __GNUC__ >= 4 +# if defined(OPJ_STATIC) /* static library uses "hidden" */ +# define OPJ_API __attribute__ ((visibility ("hidden"))) +# else +# define OPJ_API __attribute__ ((visibility ("default"))) +# endif +# define OPJ_LOCAL __attribute__ ((visibility ("hidden"))) +# else +# define OPJ_API +# define OPJ_LOCAL +# endif +# define OPJ_CALLCONV +#else +# define OPJ_CALLCONV __stdcall +/* +The following ifdef block is the standard way of creating macros which make exporting +from a DLL simpler. All files within this DLL are compiled with the OPJ_EXPORTS +symbol defined on the command line. this symbol should not be defined on any project +that uses this DLL. This way any other project whose source files include this file see +OPJ_API functions as being imported from a DLL, wheras this DLL sees symbols +defined with this macro as being exported. +*/ +# if defined(OPJ_EXPORTS) || defined(DLL_EXPORT) +# define OPJ_API __declspec(dllexport) +# else +# define OPJ_API __declspec(dllimport) +# endif /* OPJ_EXPORTS */ +#endif /* !OPJ_STATIC || !_WIN32 */ typedef int OPJ_BOOL; #define OPJ_TRUE 1 |