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

[Eli Zaretskii <eliz@gnu.org>]

> From: Manuel Giraud <manuel@ledu-giraud.fr>
> Cc: sbaugh@catern.com,  emacs-devel@gnu.org
> Date: Wed, 25 Oct 2023 20:12:02 +0200
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> [...]
> 
> > There's no such "consistency" in Emacs.  The "consistency" we support
> > is that the Lisp files are expected to be in the installed tree.  If
> > they are there, I see no reason to look for them in any other
> > directory, and you didn't provide any real reason.  I originally
> > thought that you want to remove the *.el files from the installation
> > tree, but now I understand you don't, and I'm therefore completely
> > baffled about the your feature request.
> 
> I think I may have a use case: if you are working *on* Emacs
> development.  I kind of know when my current running Emacs is in sync
> with its source directory.  So if I want to work on some feature it is
> easier to jump directly files into the source directory and start
> modifying those files.  This way those modifications are directly
> tracked by git in preparation of a future patch.

If you are working on developing Emacs, why do you install the
development version?  The usual paradigm in that case is to run Emacs
from the source tree, uninstalled.  This is supported since about
forever.