Re: [Xen-devel] [PATCH for-4.5] systemd: use pkg-config to determine systemd library availability

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Wed, Dec 03, 2014 at 11:55:22AM +0100, Olaf Hering wrote:
> On Wed, Dec 03, Ian Campbell wrote:
> 
> > On Wed, 2014-12-03 at 11:49 +0100, Olaf Hering wrote:
> > > On Wed, Dec 03, Ian Campbell wrote:
> > > 
> > > > Ah I didn't know about the sd_listen_fds thing, so I think that what we
> > > > need then is to use pkg-config first to determine if systemd-daemon is
> > > > present at all, and then check for specific symbols we require using the
> > > > pkg-config supplied CFLAGS and LDFLAGS rather than assuming
> > > > -lsystemd-daemon.
> > > 
> > > Correction: sd_listen_fds is available since at least v1.
> > >  git describe --contains abbbea81a8fa70badb7a05e518d6b07c360fc09d
> > >  v1~390
> > 
> > In that case I don't think we realistically need to check for it?
> 
> Yes. Anything before 208 is stale. At least I dont have anything older
> around for testing.

And for Fedora it is Fedora 21 or later. F20 has 208 so we are OK there.

> 
> Olaf

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