[Python-Dev] Multiple Inclusion of Header Files

[Guido van Rossum]

> From SF #607253, header file problems
> ( http://python.org/sf/607253 )
> is there any reason why these files:
>     graminit.h
>     patchlevel.h 
>     pyconfig.h (aka pyconfig.h.in)
> 
> don't protect against being included multiple times?
> 
> ie, they don't have:
> 
>     #ifndef Py_FILE_H
>     #define Py_FILE_H
> 
>     /* ... */
> 
>     #endif /* !Py_FILE_H */

Could've been an oversight.  I notice that graminit.h and pyconfig.h
are generated files.  patchlevel.h was originally a one-liner.

Is there anything that is gained by adding those?

--Guido van Rossum (home page: http://www.python.org/~guido/)