I can't build HEAD

[Ben Gamari]

Simon Peyton Jones <simon.peytonjones at gmail.com> writes:

> in a clean HEAD build, including "git submodule update", I get this.
>
> Can anyone help?
>
Upgrade your bootstrap compiler to >= 9.4. We have now bumped HEAD's
version to 9.8, which means that 9.4 is the earliest possible bootstrap
compiler (which `text` now takes advantage of, as you see here). I have
a patch bumping the `configure` check stewing in my 9.8 preparation
branch.

Cheers,

- Ben