[m-users.] Installed mercury not detected by "configure"

[Julien Fischer]

On Tue, 8 Feb 2022, Mark Green wrote:

> That does beg the question a bit though. You do not _need_ one, but
> that's not the same as it being unable to _use_ one to save compiling
> the compiler twice.

The quoted message is misleading in that respect.  An earlier message in
the configure output says that the installed compiler is not
sufficiently up-to-date.  (The misleading message has been clarified.)

Julien.