With glibc, things like _POSIX_C_SOURCE and _ISOC99_SOURCE are
additive, but on FreeBSD they are mutually exclusive. However, it
turns out we only need to define _POSIX_C_SOURCE and _XOPEN_SOURCE to
get all the C99 stuff we need too, so there's no need for any #ifdefs.
Submitted by: Gabor PALI <pgj@FreeBSD.org>
#include <ghcplatform.h>
-#define _POSIX_SOURCE 1
-#define _POSIX_C_SOURCE 199506L
-#define _XOPEN_SOURCE 500
-#define _ISOC99_SOURCE
-
-/* Let's be ISO C99 too... */
+#define _POSIX_C_SOURCE 200112L
+#define _XOPEN_SOURCE 600
#if defined(darwin_HOST_OS)
/* If we don't define this the including sysctl breaks with things like