Performance testing branch is merged back into trunk

modules/core/perf/perf_precomp.hpp

@@ -0,0 +1,10 @@
+#ifndef __OPENCV_PERF_PRECOMP_HPP__
+#define __OPENCV_PERF_PRECOMP_HPP__
+
+#include "opencv2/ts/ts.hpp"
+
+#if GTEST_CREATE_SHARED_LIBRARY
+#error no modules except ts should have GTEST_CREATE_SHARED_LIBRARY defined
+#endif
+
+#endif