Liliana Marie Prikler b8fc916951 gnu: stex-bootstrap: Guard against unsupported systems. ...

The current implementation of nix-system->chez-machine et al. is rather
brittle and fails in unexpected ways.  In the meantime while a better
replacement is being built, prevent falsy return values from causing errors,
such as a failing “guix pull”.  See <https://issues.guix.gnu.org/54292>.

* gnu/packages/chez.scm (stex-bootstrap)[maybe-compile]: Use and=> to only
call chez-machine->threaded if nix-system->chez-machine returns a truthy
value.

2022-03-08 20:53:44 +01:00

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