[cfe-dev] CLANG as a preprocessor.

Yadira Crespo ycrespofayad at gmail.com
Thu Apr 25 05:23:57 PDT 2013

 I need some help with Clang. I'm working in a project where I need to use
CLANG as a preprocessor. After building Clang following the instructions
from the site:
I have successfully manage to compile very simple programs. However when I
tried to compile another that needs to include a library like for instance:
 #include "mpi.h"  // openmpi library

I get an error:
fatal error: 'mpi.h' file not found
Searching in the net for possible solutions I found the tutorial:
In which it is explained that with the aid of the helper class called
'InitHeaderSearch'. However now I get the following error:
 fatal error: 'clang/Driver/InitHeaderSearch.h' file not found
After doing a find on the 'InitHeaderSearch*' I don't find it neither,
instead what I found was the InitHeaderSearch.cpp
Any Ideas on how to proceed?
Thanks for your help,

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