bug#10155: 23.3; HEAD broken by recent commit for emacsclient

[Dan Nicolaescu]

Eli Zaretskii <eliz@gnu.org> writes:

>> From: merlyn@stonehenge.com (Randal L. Schwartz)
>> Cc: 10155@debbugs.gnu.org
>> Date: Mon, 28 Nov 2011 10:13:47 -0800
>> 
>> Eli> Can you tell which system header declares `environ' on that
>> Eli> platform?
>> 
>> None... just
>> 
>>      extern char **environ;
>> 
>> says the manpage for environ.
>
> Then what would be the appropriate preprocessor symbol to guard such a
> declaration?  Would this do:
>
>  #if defined __APPLE__ && defined __MACH__
>  extern char **environ;
>  #endif

Can this be done in gnulib?
Better hide such ugliness in the compatibility layer...