Debugging Simulink Model Build Error

Hello all,

I am trying to build a Simulink file and getting some errors while doing so. These are the two errors:

1: Fatal error C1083: Cannot Open include file: 'ifd.h': No such file or directory

2: NMAKE: fatal error U1077:'"C:\Program Files (x86)\Microsoft Visual Studio 10.0\Common7\Tools\..\..\VC\bin\cl.EXE"' : return code '0x2' The make command returned an error 'An_error_occurred_during_the_call_to_make.' is not recognized as an internal or external command, operable program or batch file.

Background for first error - 'ifd.h' is a C/C++ header file which is user specific. I have some blocks in my Simulink model which are external to the model library and are developed externally. In Matlab, I made sure the set path points to the location where 'ifd.h' is located. This does not help in solving this error.

It will be great if someone can help me on this. Thank you!