visibility.hpp

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#pragma once
 
#if defined _WIN32 || defined __CYGWIN__
#  ifdef __GNUC__
#    define MCAP_EXPORT __attribute__((dllexport))
#    define MCAP_IMPORT __attribute__((dllimport))
#  else
#    define MCAP_EXPORT __declspec(dllexport)
#    define MCAP_IMPORT __declspec(dllimport)
#  endif
#  ifdef MCAP_IMPLEMENTATION
#    define MCAP_PUBLIC MCAP_EXPORT
#  else
#    define MCAP_PUBLIC MCAP_IMPORT
#  endif
#else
#  define MCAP_EXPORT __attribute__((visibility("default")))
#  define MCAP_IMPORT
#  if __GNUC__ >= 4
#    define MCAP_PUBLIC __attribute__((visibility("default")))
#  else
#    define MCAP_PUBLIC
#  endif
#endif