Nonbootstrap build with Apple clang broken in gm2

[Gaius Mulley]

FX Coudert <fxcoudert@gmail.com> writes:

> Another quick m2-related question: I am seeing, in a build of GCC
> 14.1.0 on Linux, that flex is called when building with the modula-2
> front-end. It was not the case in previous builds, and the only
> difference is that I added m2 to the languages. Is that systematic? If
> so, the prerequisites page should be amended:
> https://gcc.gnu.org/install/prerequisites.html
>

Ah yes indeed it is systematic.  Many thanks for spotting this - git
pushed GNU flex required

https://gcc.gnu.org/pipermail/gcc-cvs/2024-July/406305.html

regards,
Gaius