common_defines.h

#ifndef NCINE_COMMON_DEFINES
#define NCINE_COMMON_DEFINES
 
#ifndef NCINE_STATIC
    #if defined(_WIN32) || defined(__CYGWIN__)
        #ifdef ncine_EXPORTS // automatically defined by CMake
            #if defined(__GNUC__) || defined(__llvm__)
                #define DLL_PUBLIC __attribute__((dllexport))
            #else
                #define DLL_PUBLIC __declspec(dllexport)
            #endif
        #else
            #if defined(__GNUC__) || defined(__llvm__)
                #define DLL_PUBLIC __attribute__((dllimport))
            #else
                #define DLL_PUBLIC __declspec(dllimport)
            #endif
        #endif
        #define DLL_LOCAL
    #else
        #if __GNUC__ >= 4 || defined(__llvm__)
            #define DLL_PUBLIC __attribute__((visibility("default")))
            #define DLL_LOCAL __attribute__((visibility("hidden")))
        #else
            #define DLL_PUBLIC
            #define DLL_LOCAL
        #endif
    #endif
#else
    #define DLL_PUBLIC
    #define DLL_LOCAL
#endif
 
#if defined(__has_cpp_attribute)
    #if __has_cpp_attribute(nodiscard)
        #define NODISCARD [[nodiscard]]
    #else
        #define NODISCARD
    #endif
#else
    #define NODISCARD
#endif
 
#endif