[gentoo-user] Re: why does Udisks require Lvm2 ?

[»Q« <boxcars@gmx.net>]

On Mon, 24 Jun 2019 08:46:55 +0100
Neil Bothwick <neil@digimed.co.uk> wrote:

> On Mon, 24 Jun 2019 08:36:50 +0100, Peter Humphrey wrote:
> 
> > > > > Which is why the USE flag exists, to avoid installing LVM.    
> > > > 
> > > > But it's not supported.    
> > > 
> > > In what way. I've just tried emerging lvm2 with
> > > USE="device-mapper-only -thin" and it installed the device-mapper
> > > stiff but none of the lvm executables, which seems to be exactly
> > > what is wanted.    
> > 
> > use.local.desc:sys-fs/lvm2:device-mapper-only - Build only
> > device-mapper and not the rest of LVM2 (UNSUPPORTED)  
> 
> Aha!
> 
> So the choice is between an unsupported configuration or installing a
> handful of binaries that you will never use. Unless space was an
> issue, there's about 6NB difference, I'd go with the latter, although
> UNSUPPORTED != DOESNOTWORK

My guess is that 'unsupported' in this case means upstream won't bother
to make sure the partial installation will continue to work.  If it
ever does break, I'd expect the Gentoo maintainers to force the flag
off.