On Thu, Jul 24, 2008 at 5:00 PM, Felipe Sateler <fsateler@gmail.com> wrote:
> I don't think that is the problem. GCC would complain if it can't find a
> header file. Perhaps in gentoo the real definition of struct ifreq is
> somewhere else?

I'm not telling gcc the exact file to include, I'm indicating the
directories to look into.

if.h is in the subdir net/:

# grep -r ifreq /usr/include/gentoo-multilib/amd64
/usr/include/gentoo-multilib/amd64/net/if.h:struct ifreq