[Patches] Fix compiler warning on Linux

[M.-A. Lemburg]

Fredrik Lundh wrote:
> 
> M.-A. Lemburg wrote:> > umm.  according to my copy of features.h, __USE_XOPEN is an
> > > *internal* GNU-specific thingie.  any reason you cannot do this
> > > in a portable way, and use
> > >
> > >     #define _XOPEN_SOURCE
> > >
> > > instead, just as the unix specifications say?
> > >
> > > (see GNU's features.h for a discussion of environment defines)
> >
> > Doesn't defining _GNU_SOURCE fix the above too ?
> 
> if you have a GNU compiler, sure.
> 
> but _XOPEN_SOURCE is a vendor-independent standard
> (http://www.unix-systems.org).
> 
> maybe Python should set this variable on a system-wide
> level?  after all, if the source code assumes X/Open API's,
> explicitly saying so cannot really hurt...
> 
>     /* force susv2 compatibility, where available */
>     #define _XOPEN_SOURCE 500
> 

Ok, didn't know that... (all reports I had about warnings
due to strptime() mentioned Linux and on that platform you usually
have a GNU compiler ;-).

-- 
Marc-Andre Lemburg
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