[libvirt] nwfilter: Don't compile nwfilter driver on other systems than Linux

[Justin Clift]

On 09/28/2010 04:17 AM, Eric Blake wrote:
> On 09/27/2010 12:02 PM, Stefan Berger wrote:
>> Don't compile the nwfilter driver (instantiating the rules) on other
>> systems than Linux.
<snip>
> NACK as written. This would fail when cross-compiling.
>
> Instead, you should check $host or $host_os.
>
> Hmm, configure.ac already has an AM_CONDITIONAL for WITH_LINUX; which
> means $with_linux is also a reasonable thing to check.

Sounds like this could be beneficial for the OSX platform, where it's 
presently getting compiled for libvirtd. :)