[distcc] precompiled headers and g++ -E

[Daniel Kegel]

Greg Szeszko (TT) wrote:
> It appears that the -E option of g++ prevents use of precompiled headers 
> (pch).  The result is a preprocessed file, but correct .h.gch files are 
> not pulled in.  This is a problem when g++ and pch are used by distcc.  
> Before distcc sends a job to a remote machine, it preprocesses it on the 
> local machine by running g++ -E...  This has the effect of not using 
> .h.gch files which in turn makes the remote compilations take much more 
> time.
> 
> Is there a way to tell g++ to use precompiled headers even if the -E 
> options is specified?

Look at the option -fpch-preprocess described here:
http://gcc.gnu.org/onlinedocs/gcc-4.0.1/gcc/Preprocessor-Options.html