bug#20330: Do not capture build-time $PATH in 'emacs' binary

[Ludovic Courtès]

Glenn Morris <rgm@gnu.org> skribis:

> Ludovic Courtès wrote:
>
>> +;; Reset 'exec-path' so we don't capture the build-time $PATH in the
>> +;; 'emacs' executable.
>> +(setq-default exec-path nil)
>> +(setq exec-path nil)
>
> I'm not sure this is a good way to solve your issue.
> Eg it will cause "Erase Customizations" on exec-path to set it to nil.

OTOH, at startup, ‘init_callproc_1’ does:

  Vexec_path = nconc2 (decode_env_path ("PATH", ""), Vexec_path);

So it looks rather safe.  WDYT?

Ludo’.