[libvirt] [PATCH] build: only install examples when nwfilter is defined

[Jim Fehlig]

Eric Blake wrote:
> On 06/05/2013 05:38 AM, Laine Stump wrote:
>   
>> On 06/04/2013 07:02 PM, Eric Blake wrote:
>>     
>>> On the other hand; WITH_NWFILTER controlls what libvirtd provides, not
>>> what the client can do.  Technically, even on a machine where the client
>>> was built without nwfilter support, that client can still talk to a
>>> libvirtd with nwfilter enabled, at which point the examples are still
>>> usable.
>>>       
>> This makes sense to me. What do we do for other similar functionality?
>>     
>
> Weird.  examples/xml/nwfilter is the only subdirectory of examples/xml
> that installs anything in the first place.  All other
> examples/xml/*/*.xml files that get installed are done via the top-level
> Makefile.am using a generic XML_EXAMPLES wildcard.  Maybe we just need
> to remove examples/xml/nwfilter/Makefile.am and consolidate it into the
> top-level alongside the other examples.
>   

This sounds reasonable to me...

> Meanwhile, I was looking whether examples/xml/storage/pool-netfs.xml
> might be a case of something that is conditional on build flags (not all
> libvirtd support netfs), and since that appears to be installed
> unconditionally, that is another argument for making nwfilter examples
> unconditional.
>   

particularly if we just want to install the nwfilter examples
unconditionally.  Should I pursue a patch along these lines?

> I also wonder if our current installation of examples/xml/** under the
> libvirt-devel subpackage, instead of under the libvirt-docs subpackage,
> makes sense.

Good question.  The libvirt-devel subpackage already requires
libvirt-docs subpackage, so seems the examples should be stuffed in the
docs subpackage.

Regards,
Jim