Eli Zaretskii <eliz@gnu.org> writes:

>> From: Phil Sainty <psainty@orcon.net.nz>
>> Date: Tue, 20 Apr 2021 21:33:45 +1200
>> Cc: 46790@debbugs.gnu.org
>> 
>> Hi Thierry,
>> 
>> I suspect your bug has now been fixed in #44128.
>> https://debbugs.gnu.org/cgi/bugreport.cgi?bug=44128
>
> I think only as long as $(libdir) and $(libexecdir) keep their
> relative locations.
>
> We don't really support separate unsynchronized locations for the
> various *dir variables used to install Emacs.

Don't know what you are speaking about, the problem is with

make install bindir=foo

which IS documented in INSTALL.

> The official way of moving the entire installation is by either
> specifying prefix= or by DESTDIR=.

This is unrelated, I don't want to do this.

-- 
Thierry