与Simulink联合仿真问题

q121237

AMESim11.0与Matlab 2011Rb做联合仿真的时候，结果simulation mode时，弹出这个，怎么解决呢？！！
- For free edition of Microsoft Developer Studio, you may need to set the MSSDK environment variable to the installation directory of your MS Windows SDK
System build error!

zhangwufeng

应该在path路径上加上vs的目录