$NetBSD: patch-bf,v 1.1 2016/05/20 18:45:22 youri Exp $

--- js/src/jsnativestack.cpp.orig	2012-08-24 22:55:40.000000000 +0000
+++ js/src/jsnativestack.cpp
@@ -19,10 +19,16 @@
 #elif defined(XP_MACOSX) || defined(DARWIN) || defined(XP_UNIX)
 # include <pthread.h>
 
-# if defined(__FreeBSD__) || defined(__OpenBSD__)
+# if defined(__OpenBSD__) || defined(__DragonFly__)
 #  include <pthread_np.h>
 # endif
 
+# if defined(__FreeBSD__) 
+_Pragma("GCC visibility push(default)")
+#  include <pthread_np.h>
+_Pragma("GCC visibility pop")
+# endif
+
 #else
 # error "Unsupported platform"
 
@@ -114,7 +120,7 @@ GetNativeStackBaseImpl()
     pthread_attr_init(&sattr);
 #  if defined(__OpenBSD__)
     stack_t ss;
-#  elif defined(PTHREAD_NP_H) || defined(_PTHREAD_NP_H_) || defined(NETBSD)
+#  elif defined(PTHREAD_NP_H) || defined(_PTHREAD_NP_H_) || defined(__DragonFly__) || defined(NETBSD) || defined(__NetBSD__) /* XXX tnn not sure why NETBSD isn't defined, it looks like it should be ... */
     /* e.g. on FreeBSD 4.8 or newer, neundorf@kde.org */
     pthread_attr_get_np(thread, &sattr);
 #  else