extar token question

[Gokhan Kisacikoglu]

> #ifdef  DEBUG
> #define IP_DEBUG
> #endif  DEBUG
> 

#ifdef  DEBUG
#define IP_DEBUG
#endif  // DEBUG

* but better;

#ifdef DEBUG
#    ifndef IP_DEBUG
#    define IP_DEBUG
#    endif
#endif

Otherwise you will also get a warning for defining IP_DEBUG multiple
times.

This is really not a gcc question.