gcc issue

[Steve]

---- Kevin Kofler <kevin.kofler at chello.at> wrote: 
> Steve wrote:
> > I had tried putting #define __USE_GNU in the code but that didn't make any
> > difference.
> 
> You need to #define _GNU_SOURCE, not __USE_GNU. glibc #undefs all the
> __USE_* macros, then #defines them based on the _*_SOURCE macros you used.
> 

...and now I know...
but that still doesn't explain why _GNU_SOURCE is not defined in the dhcp-4.0.0 src rpm.

Steve