Hah, yes, you are completely right! I thought I did a search for it, lucky it was such an easy package to define :) So how do I close this bug? On Thu, 17 May 2018 11:03:02 +0100 Christopher Baines wrote: > Tonton writes: > > > * gnu/packages/networking.scm (czmq): New variable. > > --- > > gnu/packages/networking.scm | 28 ++++++++++++++++++++++++++++ > > 1 file changed, 28 insertions(+) > > I think Guix already includes a czmq package, and in this file as well?