Re: Native compiler - passing command line options to C compiler

[Eli Zaretskii]

> From: Alex Bennée <alex.bennee@linaro.org>
> Cc: Arthur Miller <arthur.miller@live.com>, emacs-devel@gnu.org
> Date: Wed, 01 Sep 2021 15:58:19 +0100
> 
> > I guess -march=native is something handled by GCC itself, and here we
> > don't have it?  If you want to be sure, ask this question on the GCC
> > list, or report as a bug to their Bugzilla.
> 
> Shouldn't we be ensuring -march=native for all JIT code anyway? Are the
> native eln files ever considered portable/packagable or will they always
> be a product of the users current system?

I'm not sure it's the best default.  GCC defaults are better, IMO,
certainly for the first release of this feature.  GCC doesn't use some
default without a reason.