[gmx-users] Runtime need of cpp.exe

[David van der Spoel]

David van der Spoel wrote:
> Utkal Ranjan Pradhan wrote:
>> Friends
>>
>>  
>>
>> As I know cpp.exe is a GNU port for C Preprocessor for Windows and 
>> which is required to compile the Gromacs code.
>>
>> But I’m confused, Why it is required during runtime of Gromacs 
>> applications ?
>>
>> And I have the Win32 version of cpp.exe, will it work for x64 (=Win64) ?
>>
>> What is the Windows native equivalent of cpp.exe ? Is it cl.exe ?
>>
>> How can I remove the runtime dependency of cpp.exe for gromacs 
>> applications ?
> 
> by writing an implementation of the cpp and donating it to the gromacs 
> project. In fact, it wouldn't be so hard, since we are only using a few 
> features in practice:
> #include
> #ifdef #else #endif
> #define
> 
> Please provide a simple C program that takes a file, searches for these 
> commands and does the same what the cpp does.
> 
> 
see also
http://wiki.gromacs.org/index.php/Cpp_replacement

-- 
David van der Spoel, Ph.D.
Molec. Biophys. group, Dept. of Cell & Molec. Biol., Uppsala University.
Box 596, 75124 Uppsala, Sweden. Phone:	+46184714205. Fax: +4618511755.
spoel at xray.bmc.uu.se	spoel at gromacs.org   http://folding.bmc.uu.se