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

[Ludovic Courtès]

Eli Zaretskii <eliz@gnu.org> skribis:

>> From: ludo@gnu.org (Ludovic Courtès)
>> Cc: 20330@debbugs.gnu.org
>> Date: Tue, 14 Apr 2015 18:10:27 +0200
>> 
>> Eli Zaretskii <eliz@gnu.org> skribis:
>> 
>> >> From: ludo@gnu.org (Ludovic Courtès)
>> >> Date: Tue, 14 Apr 2015 13:51:35 +0200
>> >> 
>> >> The attached patch makes sure that the ‘emacs’ executable does not
>> >> capture the value of the build-time $PATH (which notably includes the
>> >> build directory, which may or may not exist afterwards.)
>> >
>> > Why only exec-path?
>> 
>> AFAICS this is the only thing that captures the build-time $PATH in the
>> installed binary.
>
> What makes PATH special?  Don't you want to prevent any build-time
> directories (except source-directory) from leaking into the binary?

I do, but I haven’t noticed any other leaks.  Do you think there are
others?

Thanks,
Ludo’.