[Compile] Fix compile on windows (#765)

Fix compile on windows

Author: jiangjiajun

CMakeLists.txt

@@ -508,11 +508,11 @@ target_link_libraries(${LIBRARY_NAME} ${DEPEND_LIBS})
 
 if(WIN32)
   if(ENABLE_VISION)
-    if(EXISTS ${CMAKE_CURRENT_BINARY_DIR}/third_party/yaml-cpp/Release)
+    if("${CMAKE_GENERATOR}" STREQUAL "Ninja")
+      add_custom_target(copy_yaml_library ALL COMMAND ${CMAKE_COMMAND} -E copy_directory ${CMAKE_CURRENT_BINARY_DIR}/third_party/yaml-cpp  ${CMAKE_CURRENT_BINARY_DIR}/third_libs/install/yaml-cpp/lib DEPENDS ${LIBRARY_NAME})
+    else()
       add_custom_target(copy_yaml_library ALL COMMAND ${CMAKE_COMMAND} -E copy_directory ${CMAKE_CURRENT_BINARY_DIR}/third_party/yaml-cpp/Release  ${CMAKE_CURRENT_BINARY_DIR}/third_libs/install/yaml-cpp/lib DEPENDS ${LIBRARY_NAME})
       add_custom_target(copy_yaml_include ALL COMMAND ${CMAKE_COMMAND} -E copy_directory ${PROJECT_SOURCE_DIR}/third_party/yaml-cpp/include  ${CMAKE_CURRENT_BINARY_DIR}/third_libs/install/yaml-cpp/include DEPENDS ${LIBRARY_NAME})
-    else()
-      add_custom_target(copy_yaml_library ALL COMMAND ${CMAKE_COMMAND} -E copy_directory ${CMAKE_CURRENT_BINARY_DIR}/third_party/yaml-cpp  ${CMAKE_CURRENT_BINARY_DIR}/third_libs/install/yaml-cpp/lib DEPENDS ${LIBRARY_NAME})
     endif()
   endif()
 endif()