Hi Paul, Paul Garlick skribis: >> ‘guix pull’ will happily perform the transition. > > For me, I have an older Guix (16th May) that fails to install guile- > gcrypt.  As root: > > $ guix --version > guix (GNU Guix) 6f84dc4314cd84550d9fc7e7afa11c495edc45a5 > > When I try 'guix pull' there is an attempt to build guile-gcrypt > locally that fails with the message './configure:  No such file or > directory'.  I can see that the build procedure moves from the 'unpack' > phase straight to the 'patch-usr-bin-file' phase with no 'bootstrap' > phase in between. Hmm… > Aha, another chicken-and-egg, I thought; my older Guix does not have a > 'bootstrap' phase.  However, I can see that the commit for adding the > new phase was made on 11th March, so perhaps 'guix pull' is failing for > a different reason. Indeed, that may well be the reason. Can you try to apply the patch below in a local branch, and then run “make as-derivation”? TIA, and apologies for the breakage! Ludo’.