[Python-Dev] Problems with definition of _POSIX_C_SOURCE

[Tim Peters]

[Jack Jansen]
> On a platform I won't mention here I'm running into problems compiling
> Python, because of it defining _POSIX_C_SOURCE.
...
> Does anyone know what the real meaning of this define is?

LOL.  Here's the Official Story:

http://www.opengroup.org/onlinepubs/009695399/functions/xsh_chap02_02.html

Look near the top, under "The _POSIX_C_SOURCE Feature Test Macro". 
This will tell you:

    When an application includes a header described by IEEE Std 1003.1-2001,
    and when this feature test macro is defined to have the value 200112L:

        yadda yadda yadda yadda yadda
        yadda yadda yadda

Then again, every journey of a million miles begins with 200112L small steps ...