Re: [gentoo-dev] rfc: patch systemd.eclass to use pkg-config if available

[William Hubbs]

On Mon, Mar 11, 2013 at 11:47:47PM +0100, Michał Górny wrote:
> On Mon, 11 Mar 2013 17:28:08 -0500
> William Hubbs <williamh@g.o> wrote:
>
> > On Mon, Mar 11, 2013 at 05:37:12PM -0400, Mike Gilbert wrote:
> > > On Mon, Mar 11, 2013 at 5:18 PM, William Hubbs <williamh@g.o> wrote:
> > > > All,
> > > >
> > > > systemd, like udev, stores directory paths in a way that they can be
> > > > queried from pkg-config. However, the systemd.eclass currently does not
> > > > use this ability.
> > > >
> > > > The following patch models the systemd eclass after the udev eclass and
> > > > leaves the current defaults in place if there is an issue with
> > > > pkg-config.
> > > >
> > > > Any thoughts?
> > > >
> > > > William
> > > >
> > >
> > > What problem are you trying to solve here?
> > >
> > > We already know the values that pkg-config will return, so I fail to
> > > see the advantage of calling pkg-config in the eclass.
> > >
> > > If we were to move the /usr/lib/systemd directory between two versions
> > > of systemd, then yes, using pkg-config would be helpful. Until/unless
> > > such a change occurs, I just don't see the point.
> >
> > The reason for this is a topic that Samuli and I want to discuss with
> > the systemd team, probably on irc, but, basically, since gentoo does not
> > have the /usr merge, we think parts of systemd which are in /usr
> > should go in /, and this goes along with systemd upstream's recommendations
> > as well (look at how the autogen.sh script in the systemd git repo works
> > to see what I'm talking about).
> >
> > This would also allow udev and systemd to share the /lib/systemd
> > directory, and we could install compatibility symlinks where necessary
> > to not break users' systems.
>
> No. And I don't have the time to repeat that discussion again. Just no.

This was also the extent of your objections when I did bring it up to
you informally before. It would really help if you would explain your
position.

Thanks,

William