Hi Ludovic, Thank you for the comment! >How about one of these two options: > > 1. Provide both versions of guile-config, use the old one in GWL, at > the risk of preventing installation of guile-hall + gwl in the same > profile (which is probably not much of a problem in practice). > > 2. Patch GWL so it works with the latest guile-config. > >That should unblock the situation. WDYT? The second option is preferable and is currently being worked on. I have the patch reviewed for adequacy. https://lists.gnu.org/archive/html/gwl-devel/2022-05/msg00010.html https://lists.gnu.org/archive/html/gwl-devel/2022-06/msg00000.html Cheers, -- Taiju