Brendan Tildesley schreef op ma 31-01-2022 om 12:23 [+0100]:
> I just noticed there is also this:
> 
> starting phase `install-locale'
> warning: failed to install 'en_US.utf8' locale: Invalid argument
> 
> 
> It occurs for other font-build-system fonts too. Adding glibc-utf8-locales or glibc-locales didn't fix it.
> I don't understand it because its just based off gnu-build-system which doesn't have that issue.
> 
> It doesn't GUIX_LOCPATH either

Perhaps the cause is that font-build-system doesn't have glibc among
its (implicit) native-inputs, and hence there's no GUIX_LOCPATH search
path (see <https://issues.guix.gnu.org/22138>)?

Adding glibc to the native-inputs might work.

Greetings,
Maxime.