Re: source-directory, installed Emacs, and C source

[Eli Zaretskii]

> From: chad <yandros@gmail.com>
> Date: Wed, 25 Oct 2023 13:43:01 -0400
> Cc: emacs-devel@gnu.org
> 
> I don't run under macOS any more, but when I did, there was an extra wrinkle 
> here: emacs typically
> builds as an "app bundle", essentially a directory named "Emacs.app" that 
> contains all of the stuff
> that a typical unix-like installation would put in various subdirs of 
> /usr/local. This was actually quite
> nice -- it meant that I could have a complete, functional version of emacs in 
> both Emacs.app and
> Emacs-old.app whenever I wanted to try something new without stranding myself 
> if the new thing
> turned out to be broken.

??? The "Unix-like" installation puts these files in version-specific
directories, so you can have several Emacs versions available on the
same system at the same time.  I do that all the time, and have about
a dozen Emacs versions installed and runnable.