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-rw-r--r--tutorial/chapter-7/lib/lib_global.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/tutorial/chapter-7/lib/lib_global.h b/tutorial/chapter-7/lib/lib_global.h
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index 000000000..76cce8d36
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+++ b/tutorial/chapter-7/lib/lib_global.h
@@ -0,0 +1,18 @@
+#ifndef LIB_GLOBAL_H
+#define LIB_GLOBAL_H
+
+#if defined(_WIN32) || defined(WIN32)
+#define MYLIB_DECL_EXPORT __declspec(dllexport)
+#define MYLIB_DECL_IMPORT __declspec(dllimport)
+#else
+#define MYLIB_DECL_EXPORT __attribute__((visibility("default")))
+#define MYLIB_DECL_IMPORT __attribute__((visibility("default")))
+#endif
+
+#if defined(MYLIB_LIBRARY)
+#define MYLIB_EXPORT MYLIB_DECL_EXPORT
+#else
+#define MYLIB_EXPORT MYLIB_DECL_IMPORT
+#endif
+
+#endif // LIB_GLOBAL_H