CMake/Tests/Complex/Library/sharedFile.h

#if defined(_WIN32) || defined(WIN32) /* Win32 version */
#ifdef CMakeTestLibraryShared_EXPORTS
#  define CMakeTest_EXPORT __declspec(dllexport)
#else
#  define CMakeTest_EXPORT __declspec(dllimport)
#endif
#else
// unix needs nothing
#define CMakeTest_EXPORT
#endif

CMakeTest_EXPORT int sharedFunction();