Re: [PATCH] uuidd: use pkg-config to find systemd-deamon support

[Dave Reisner <d@falconindy.com>]

On Tue, Jan 07, 2014 at 01:44:07PM -0500, Mike Frysinger wrote:
> On Tuesday 07 January 2014 05:19:35 Karel Zak wrote:
> > On Tue, Jan 07, 2014 at 10:55:35AM +0100, Thomas Bächler wrote:
> > > >> We already have such a cyclic dependency, since udevd depends on
> > > >> libblkid+libuuid, and findmnt (from util-linux) depends on libudev.
> > > >> 
> > > >  .. and nobody complains, good point :-) Thanks!
> > > >  
> > > >     Karel
> > > 
> > > Actually, now that I know you care about these things, I am complaining.
> > > 
> >  :-)))
> >  :
> > > It has caused me (minor) trouble once already.
> > 
> >  It's possible (first time) to compile util-linux without libudev,
> >  compile systemd/udevd and then again recompile util-linux with
> >  libudev.
> > 
> >  IMHO libudev is very useful for findmnt and lsblk to get info about
> >  devices.
> > 
> >  Note that uuidd is absolutely unnecessary if you don't have huge SAP
> >  installation (-- it means unnecessary for 99% of the all Linux users).
> 
> on a semi-related matter, it'd be nice if we could easily build util-linux 
> such that we only get the libraries.  the plethora of configure flags that 
> control utils is a nightmare to manage, and i'm not sure there's a flag for 
> every utility (i haven't checked myself, so i could easily be wrong).
> 
> if that were in play, the circular loop would be easy to address -- build 
> util-linux once just for its libs, then udev/systemd, then util-linux again.
> -mike

We do this in Arch already to provide a 32bit libraries on 64bit
systems:

https://projects.archlinux.org/svntogit/community.git/tree/trunk/PKGBUILD?h=packages/lib32-util-linux

A quick grep through the git repo shows that I could get rid of the
--without-ncurses flag, too.