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BasaltPresenter/Shared/basalt/export_macro.hpp

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+#pragma once
+
+// Reference: https://stackoverflow.com/questions/2164827/explicitly-exporting-shared-library-functions-in-linux
+// Generate macro for import and export respectively.
+#if defined(_MSC_VER)
+// Microsoft
+#define BS_RAW_EXPORT __declspec(dllexport)
+#define BS_RAW_IMPORT __declspec(dllimport)
+#elif defined(__GNUC__)
+// GCC
+#define BS_RAW_EXPORT __attribute__((visibility("default")))
+#define BS_RAW_IMPORT
+#elif defined(__clang__)
+// Clang
+#define BS_RAW_EXPORT __attribute__((visibility("default")))
+#define BS_RAW_IMPORT
+#else
+//  Do nothing and hope for the best?
+#define BS_RAW_EXPORT
+#define BS_RAW_IMPORT
+#error "Unknown dynamic link import/export semantics."
+#endif
+
+// Choosee import or export command according to special macro.
+#if defined(BS_EXPORTING)
+#define BS_NAKED_EXPORT BS_RAW_EXPORT
+#else
+#define BS_NAKED_EXPORT BS_RAW_IMPORT
+#endif
+
+// Create real export macro according to whether in C++ environment.
+#if defined(__cplusplus)
+#define BS_EXPORT extern "C" BS_NAKED_EXPORT
+#else
+#define BS_EXPORT BS_NAKED_EXPORT
+#endif