#if defined __APPLE__ #include #else #include #endif #ifndef _MSC_VER #ifdef CL_VERSION_1_2 #error OpenCL is valid #else #error OpenCL check failed #endif #else #ifdef CL_VERSION_1_2 #pragma message ("OpenCL is valid") #else #pragma message ("OpenCL check failed") #endif #endif int main(int /*argc*/, char** /*argv*/) { return 0; }