Heads-up: New dependency on Guile-Gcrypt

[Ludovic Courtès]

Hello Guix!

Coming soon: Guix will no longer provide its own crypto modules and will
instead depend on Guile-Gcrypt:

  https://issues.guix.info/issue/32606

‘guix pull’ will happily perform the transition.

If you’re used to working on a Git checkout with “guix environment
guix”, you’ll have to add ‘guile-gcrypt’ to the environment.  If your
“guix” is too old and lacks the ‘guile-gcrypt’ package, you have a
chicken-and-egg problem that you can solve either by running ‘guix pull’
or by running this from your checkout:

  $(make as-derivation)/bin/guix environment guix

or:

  $(make as-derivation)/bin/guix package -i guile-gcrypt

Besides, our friends at openSuSE have already created a ‘guile-gcrypt’
package.  :-)

Ludo’.