$NetBSD: patch-aa,v 1.16 2010/07/31 08:40:37 kefren Exp $
--- mono/io-layer/collection.c.orig	2010-07-26 13:00:10.000000000 +0300
+++ mono/io-layer/collection.c	2010-07-26 13:00:48.000000000 +0300
@@ -60,7 +60,11 @@
 
 #if defined(HAVE_PTHREAD_ATTR_SETSTACKSIZE)
         if (set_stacksize == 0) {
+#ifdef PTHREAD_STACK_MIN
 			ret = pthread_attr_setstacksize (&attr, MAX (65536, PTHREAD_STACK_MIN));
+#else
+			ret = pthread_attr_setstacksize (&attr, 65536);
+#endif
 			g_assert (ret == 0);
         } else if (set_stacksize == 1) {
 			ret = pthread_attr_setstacksize (&attr, 131072);