Re: [PATCH] tools: generate systemd service files only when systemd is available

[Ian Campbell <Ian.Campbell@citrix.com>]

On Tue, 2015-01-20 at 15:12 +0000, Wei Liu wrote:
> On Tue, Jan 20, 2015 at 02:49:12PM +0000, Ian Jackson wrote:
> > Wei Liu writes ("[PATCH] tools: generate systemd service files only when systemd is available"):
> > > Though that's not in any way harmful but it is on the other hand not
> > > very useful.
> > 
> > What is the effect of this in the context of a distro package, where
> > the build may occur in a different situation to the installed
> > package ?
> > 
> 
> Not sure if I understand you question but let me try to answer.
> 
> Conceptually speaking for Xen's systemd components to function properly
> the service files may need to rely on other components to be built.

Where components is things like socket activation support in xenstored
etc, I think? Or is there more to it?

>  If
> systemd is not available at build time that means those components which
> service files rely on cannot be built, so the service files alone aren't
> very useful even if you generate and package them.
> 
> Practically speaking those service files don't depend on any systemd
> specific components to be built at the moment so it's harmless to
> package them.
> 
> Wei.
> 
> > Ian.