bug#57015: 29.0.50; macOS: libgccjit was not found: Homebrew libgccjit 12.1.0

[Eli Zaretskii]

> From: Stefan Kangas <stefankangas@gmail.com>
> Date: Wed, 10 Aug 2022 09:14:29 -0700
> Cc: 57015@debbugs.gnu.org, dario.gjorgjevski@gmail.com
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> > Why, is ruby guaranteed to be available on every macOS system?
> 
> Homebrew itself is written in Ruby, so AFAIK unless the installation is
> broken it should always be available when the "brew" command is.

But does this problem only happen when building Emacs under Homebrew?