Marc Recht <marc@informatik.uni-bremen.de> writes: > > I consider it a bug that FreeBSD does not provide a mode for > > "Conforming XSI Application Using Extensions", according to > FreeBSD does support that. _XOPEN_SOURCE = 500 means: > #define __XSI_VISIBLE 500 > #undef _POSIX_C_SOURCE > #define _POSIX_C_SOURCE 199506 So how do I request extensions on that system, beyond the functions defined in XPG/5 or XPG/6? > > If it is a hack to work around a bug in FreeBSD, then I think it is > > acceptable. > I still not think that's a bug in FreeBSD. But I send you sys/cdefs.h > and unistd.h, so you can have a look for yourself. Maybe I'm getting > something wrong here. IMO it's just a strict interpretation of the > standard. I have looked at them before, hence my claim that I think FreeBSD has a bug here. > Why? There are only two actual changes the case for FreeBSD and the > addition of _THREAD_SAFE to the CFLAGS if Python is compiled with > threads. The rest just moves the MACHDEP stuff to the top of > configure.in. I misread the patch: That it moves the MACHDEP stuff is not visible. Instead, it moves the --enable-framework stuff downwards. Still, you add a case with "FreeBSD", and "rest of the world", the "rest of the world" case being where _GNU_SOURCE, _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, and _POSIX_C_SOURCE is defined. Why does it hurt if either _GNU_SOURCE or _XOPEN_SOURCE_EXTENDED would be defined on FreeBSD? > > one system" position. Try writing your code in a way so that it > I don't think so.. Sometimes systems need special treatment... Only if all other options have been exhausted. What problems occur if _XOPEN_SOURCE is defined? > > simultaneously works with many systems, instead of special-casing each > > system individually. > I didn't saw an other way to do it. The defines were always set and that > just doesn't work for FreeBSD. Did you try defining _GNU_SOURCE and _XOPEN_SOURCE_EXTENDED? I can see that you don't want _POSIX_C_SOURCE to be defined, either. Regards, Martin
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