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dispatch: split DISPATCH_EXPORT and prepare for static linking #872

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b1b8336
dispatch: extract `DISPATCH_EXTERN` from the `DISPATCH_EXPORT` macro
compnerd May 13, 2025
1a42469
dispatch: introduce `dispatch_STATIC` and honour `dispatch_EXPORT`
compnerd May 13, 2025
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40 changes: 24 additions & 16 deletions dispatch/base.h
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Original file line number Diff line number Diff line change
Expand Up @@ -178,24 +178,32 @@
#endif
#endif

#if defined(_WIN32)
#if defined(__DISPATCH_BUILDING_DISPATCH__)
#if defined(__cplusplus)
#define DISPATCH_EXPORT extern "C" __declspec(dllexport)
#else
#define DISPATCH_EXPORT extern __declspec(dllexport)
#endif
#else
#if defined(__cplusplus)
#define DISPATCH_EXPORT extern "C" __declspec(dllimport)
#else
#define DISPATCH_EXPORT extern __declspec(dllimport)
#endif
#ifndef DISPATCH_EXTERN
# if defined(__cplusplus)
# define DISPATCH_EXTERN extern "C"
# else
# define DISPATCH_EXTERN extern
# endif
#endif
#elif __GNUC__
#define DISPATCH_EXPORT extern __attribute__((visibility("default")))

#if defined(dispatch_STATIC)
# if defined(__GNUC__)
# define DISPATCH_EXPORT DISPATCH_EXTERN __attribute__((__visibility__("hidden")))
# else
# define DISPATCH_EXPORT DISPATCH_EXTERN
# endif
#else
#define DISPATCH_EXPORT extern
# if defined(_WIN32)
# if defined(dispatch_EXPORT) || defined(__DISPATCH_BUILDING_DISPATCH__)
# define DISPATCH_EXPORT DISPATCH_EXTERN __declspec(dllexport)
# else
# define DISPATCH_EXPORT DISPATCH_EXTERN __declspec(dllimport)
# endif
# elif __GNUC__
# define DISPATCH_EXPORT DISPATCH_EXTERN __attribute__((__visibility__("default")))
# else
# define DISPATCH_EXPORT DISPATCH_EXTERN
# endif
#endif

#if __GNUC__
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