$NetBSD: patch-ak,v 1.3 2010/01/15 19:18:42 tnn Exp $

--- jdk/make/common/Defs-bsd.gmk.orig	2010-01-11 16:46:18.000000000 +0000
+++ jdk/make/common/Defs-bsd.gmk
@@ -339,6 +339,14 @@ ifeq ($(OS_VENDOR), OpenBSD)
   SYSTEM_ZLIB = true
 endif
 
+ifeq ($(OS_VENDOR), NetBSD)
+  SYSTEM_ZLIB = true
+endif
+
+ifeq ($(OS_VENDOR), DragonFlyBSD)
+  SYSTEM_ZLIB = true
+endif
+
 #
 # Japanese manpages
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