Re: Question on updating to 29.1

[Corwin Brust]

On Thu, Aug 17, 2023 at 11:17 AM PierGianLuca
<luca@magnaspesmeretrix.org> wrote:
>
> Hi everyone,

Hi Luca!

>
> – "--with-native-compilation" what does this do? I imagine it's something not 
> specifically related to Emacs.

This feature, added with Emacs 28, enables using libgccjit to compile
"platform native" versions of byte-compiled elisp on the fly.  Many
people find it improves Emacs performance, especially for computation
heavy work.

>
> – "--with-json" ditto?

This compiles Emacs with libjansson, which provides JSON parsing

>
> – "with-x-toolkit=gtk3" is this option already chosen by default? I see that 
> the Emacs install instructions say
>

This build Emacs for use with GTK3, and should be used only if you
have wayland (and not if you use X)

> "If you use exclusively X, do not use the PGTK port.  There are a number of 
> respects in which the regular --with-x-toolkit=gtk build works better"
>
> which sounds like "=gtk" is the default
>

That's right afaik.

>
> Thank you for any info you can share, and for your patience with someone 
> inexperienced with these kinds of installations!
>

Hope you are enjoying Emacs!

Corwin