[Libvir] [PATCH] Avoid compile failure when HAVE_AVAHI is not defined.

[Daniel P. Berrange]

On Mon, Dec 03, 2007 at 02:43:30PM +0000, Richard W.M. Jones wrote:
> Jim Meyering wrote:
> >Without this patch, building without HAVE_AVAHI fails due to an unguarded
> >use of mdns_name.  Rather than adding yet another #ifdef..#endif (ugly
> >and less maintainable), I've chosen to un-ifdef the declarations and
> >a few uses.  The more code that we compile and use unconditionally,
> >the fewer surprises we'll encounter down the road.
> 
> Strangely enough I didn't hit this problem when building on Cygwin, and 
> I'm pretty sure they don't have avahi?
> 
> My only reservation is what happens if mdns_* configuration is in 
> libvirtd.conf, but there is no support in the binary.  Should we print 
> out an error message or a warning?

Its not worth the bother IMHO. You're adding extra code to cover one tiny
niche case which will rarely ever be needed since all modern Linux have
avahi. 

Dan.
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