vs编译出现下面错误怎么办啊？

1>E:\quadApp\dev\CGAL-5.0.2\include\CGAL\stddef.h(10): fatal error C1189: #error: You have added .../path/to/CGAL-x.y/include/CGAL to the INCLUDE path.You should use .../path/to/CGAL-x.y/include instead.

你的头文件是不是引入的不太对。