solaris configure strangeness

[Warren_Baird at cimmetry.com]

> configure: WARNING: net/if.h: present but cannot be compiled
> configure: WARNING: net/if.h: check for missing prerequisite headers?
> configure: WARNING: net/if.h: proceeding with the preprocessor's result
>
> [...]
>
> Can anyone explain what this means?

Well, to directly answer your question - no, I'm not sure what it means.  But I
see the same thing when I compile on sparc, and it doesn't seem to have any
obvious impact on things...

Warren