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Merge pull request #856 from indragiek/indragiek/lz4f-visibility

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Add LZ4FLIB_VISIBILITY for controlling library symbol visibility
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Yann Collet 2020-08-08 13:21:07 -07:00 committed by GitHub
commit 97654d3cd2
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1 changed files with 11 additions and 6 deletions
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17
lib/lz4frame.h
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@ -66,17 +66,22 @@ extern "C" {
*****************************************************************/
/* LZ4_DLL_EXPORT :
* Enable exporting of functions when building a Windows DLL
* LZ4FLIB_API :
* LZ4FLIB_VISIBILITY :
* Control library symbols visibility.
*/
#ifndef LZ4FLIB_VISIBILITY
# if defined(__GNUC__) && (__GNUC__ >= 4)
# define LZ4FLIB_VISIBILITY __attribute__ ((visibility ("default")))
# else
# define LZ4FLIB_VISIBILITY
# endif
#endif
#if defined(LZ4_DLL_EXPORT) && (LZ4_DLL_EXPORT==1)
# define LZ4FLIB_API __declspec(dllexport)
# define LZ4FLIB_API __declspec(dllexport) LZ4FLIB_VISIBILITY
#elif defined(LZ4_DLL_IMPORT) && (LZ4_DLL_IMPORT==1)
# define LZ4FLIB_API __declspec(dllimport)
#elif defined(__GNUC__) && (__GNUC__ >= 4)
# define LZ4FLIB_API __attribute__ ((__visibility__ ("default")))
# define LZ4FLIB_API __declspec(dllimport) LZ4FLIB_VISIBILITY
#else
# define LZ4FLIB_API
# define LZ4FLIB_API LZ4FLIB_VISIBILITY
#endif
#ifdef LZ4F_DISABLE_DEPRECATE_WARNINGS