Hid symbols in static builds, added LTO flags, removed exports from ts

cmake/OpenCVModule.cmake

@@ -852,7 +852,6 @@ macro(_ocv_create_module)
     ${${the_module}_pch}
     ${_VS_VERSION_FILE}
   )
-
   set_target_properties(${the_module} PROPERTIES LABELS "${OPENCV_MODULE_${the_module}_LABEL};Module")
   set_source_files_properties(${OPENCV_MODULE_${the_module}_HEADERS} ${OPENCV_MODULE_${the_module}_SOURCES} ${${the_module}_pch}
     PROPERTIES LABELS "${OPENCV_MODULE_${the_module}_LABEL};Module")
@@ -879,8 +878,13 @@ macro(_ocv_create_module)
     COMPILE_PDB_OUTPUT_DIRECTORY ${LIBRARY_OUTPUT_PATH}
     LIBRARY_OUTPUT_DIRECTORY ${LIBRARY_OUTPUT_PATH}
     RUNTIME_OUTPUT_DIRECTORY ${EXECUTABLE_OUTPUT_PATH}
+    DEFINE_SYMBOL CVAPI_EXPORTS
   )
 
+  if(ANDROID AND BUILD_FAT_JAVA_LIB)
+    target_compile_definitions(${the_module} PRIVATE CVAPI_EXPORTS)
+  endif()
+
   # For dynamic link numbering convenions
   if(NOT ANDROID)
     # Android SDK build scripts can include only .so files into final .apk
@@ -891,11 +895,6 @@ macro(_ocv_create_module)
     )
   endif()
 
-  if((NOT DEFINED OPENCV_MODULE_TYPE AND BUILD_SHARED_LIBS)
-      OR (DEFINED OPENCV_MODULE_TYPE AND OPENCV_MODULE_TYPE STREQUAL SHARED))
-    set_target_properties(${the_module} PROPERTIES DEFINE_SYMBOL CVAPI_EXPORTS)
-  endif()
-
   if (ENABLE_GNU_STL_DEBUG)
     target_compile_definitions(${the_module} PUBLIC _GLIBCXX_DEBUG)
   endif()