bug#56738: Cannot find libgccjit.dylib on macOS

[Eli Zaretskii]

> From: Kevin Morio <kevin@morio.me>
> Date: Sun, 24 Jul 2022 12:15:17 +0200
> 
> Dear Emacs maintainers,
> 
> Emacs 28.1.90 (282dde887db163b25b31fba3bf10a80f2b93203c) fails to build on
> macOS 12.4 when configured with the following invocation:
> 
> ./configure —with-native-compilation
> ...
> usage: dirname string [...]
> checking for gcc_jit_context_acquire in -lgccjit... no
> configure: error: ELisp native compiler was requested, but libgccjit was not 
> found.
> Please try installing libgccjit or a similar package.
> If you are sure you want Emacs be compiled without ELisp native compiler,
> pass the --without-native-compilation option to configure.
> 
> This is the same bug as bug#55173 which has been reported for
>   Emacs 29.0.50 (a41a181db5f3aca043ed42b228dc56a6403c21a5)
> and fixed in commit
>   faa29fa2c9e9d5a5d7544a1a39b2a89cf57a8439
> with the following patch

Thanks, I've now cherry-picked that change to the emacs-28 branch, and
it will be part of the upcoming Emacs 28.2.