$NetBSD: patch-ab,v 1.5 2013/06/16 08:09:11 ryoon Exp $

* Treat *BSD as BSD.

--- balance.h.orig	2010-12-03 12:50:22.000000000 +0000
+++ balance.h
@@ -20,7 +20,7 @@
 #include <sys/mman.h>
 #endif
 
-#ifdef __FreeBSD__
+#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__APPLE__) || defined(__INTERIX) || defined(__DragonFly__)
 #define BalanceBSD 1
 #endif