Re: port-amd64/57982: Build Error or netbsd-10 branch on Mac OS X

[Taylor R Campbell <riastradh%NetBSD.org@localhost>]

> Date: Sat, 2 Mar 2024 13:08:30 +0100
> From: Harold Gutch <logix%foobar.franken.de@localhost>
> 
> why is LLVM built here?  The build command doesn't ask for that, does
> building on macOS default to that?  And why aarch64?!  Both build host
> and target here are amd64.

Building with MKX11=yes (-x) requires llvm for Mesa.

llvm builds all targets by default, from what I understand.

> As for the failure - does adding an #include <ratio> to Chrono.h help
> (as the error message suggests)?  See also
> https://github.com/llvm/llvm-project/commit/ab6e9a44ba8011d537cb71381c2a41a5e3354507

Sounds plausible, and we have a way to do this by adding it to
config.h.in and adding `-include .../config.h' in the makefile to
avoid patching upstream.