[gmx-users] Runtime need of cpp.exe

Erik Lindahl lindahl at cbr.su.se
Wed Jul 18 11:42:12 CEST 2007


> Can we use other (native windows) c preprocessor ?
As it says explicitly in the manual, you can use any preprocessor you  
want. The default force fields have #include and #define statements  
meant for a C preprocessor, but it's just a matter of pushing the  
input files through the specified preprocessor, whatever it might be.

However, last time I checked windows didn't ship with a default C  
preprocessor, so you'd have to install MSVC just for using grompp.  
It's also a proprietary product that you are not allowed to copy e.g.  
on cluster nodes, not to mention Microsoft would probably get upset  
if you made it available for download.



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