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windows exports: use dllexport attribute, instead of visibility.

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With older toolchains, at the least, visibility attributes don't
work and all symbols are exported along with lots of unsupported
warnings.

Change-Id: I6ffe220b7589a6bda00f42c17ead35592de7cc5a
This commit is contained in:
Ozkan Sezer
2024-03-06 01:11:55 +03:00
parent 45f995a37e
commit 8487860a8c
4 changed files with 14 additions and 15 deletions
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10
sharpyuv/sharpyuv.h
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@ -22,15 +22,13 @@ extern "C" {
#else
// This explicitly marks library functions and allows for changing the
// signature for e.g., Windows DLL builds.
#if defined(__GNUC__) && __GNUC__ >= 4
#if defined(_WIN32) && defined(WEBP_DLL)
#define SHARPYUV_EXTERN __declspec(dllexport)
#elif defined(__GNUC__) && __GNUC__ >= 4
#define SHARPYUV_EXTERN extern __attribute__((visibility("default")))
#else
#if defined(_MSC_VER) && defined(WEBP_DLL)
#define SHARPYUV_EXTERN __declspec(dllexport)
#else
#define SHARPYUV_EXTERN extern
#endif /* _MSC_VER && WEBP_DLL */
#endif /* __GNUC__ >= 4 */
#endif /* defined(_WIN32) && defined(WEBP_DLL) */
#endif /* WEBP_EXTERN */
#endif /* SHARPYUV_EXTERN */