>> patch-ab already patches dns.c. And since nameser8_compat.h and
>> resolv8_compat.h are no good for other systems, I'm not quite sure how to 
>> have a conditional patch. Does anyone know of any good examples?
>
> Conditional patch?! #ifdef, dood!

I was wondering if there was some mechanism that allowed for selective 
patching (simply choosing this patch or that patch, for instance). #ifdef 
it is!

Thanks,
John