merge upstream HEAD

[ghc-hetmet.git] / rts / PosixSource.h

diff --git a/rts/PosixSource.h b/rts/PosixSource.h
index b3da60f..d139dd5 100644 (file)
--- a/rts/PosixSource.h
+++ b/rts/PosixSource.h
@@ -11,12 +11,21 @@
 
 #include <ghcplatform.h>
 
+#if defined(freebsd_HOST_OS)
+#define _POSIX_C_SOURCE 200112L
+#define _XOPEN_SOURCE   600
+#else
 #define _POSIX_SOURCE   1
 #define _POSIX_C_SOURCE 199506L
 #define _XOPEN_SOURCE   500
+// FreeBSD takes a different approach to _ISOC99_SOURCE: on FreeBSD it
+// means "I want *just* C99 things", whereas on GNU libc and Solaris
+// it means "I also want C99 things".  
+//
+// On both GNU libc and FreeBSD, _ISOC99_SOURCE is implied by
+// _XOPEN_SOURCE==600, but on Solaris it is an error to omit it.
 #define _ISOC99_SOURCE
-
-/* Let's be ISO C99 too... */
+#endif
 
 #if defined(darwin_HOST_OS)
 /* If we don't define this the including sysctl breaks with things like