HPCC-15249 FD_SET jsocket macros not correct for Power8 Reviewed-by: Gavin Halliday <ghalliday@hpccsystems.com>
@@ -329,7 +329,7 @@ struct MCASTREQ
struct xfd_set { __fd_mask fds_bits[XFD_SETSIZE / __NFDBITS]; }; // define our own
// linux 64 bit
#ifdef __linux__
-#ifdef __x86_64__
+#ifdef __64BIT__
#undef __FDMASK
#define __FDMASK(d) (1UL << ((d) % __NFDBITS))
#undef __FDELT