--- BDB/xthread.h	2008/05/20 05:51:34	1.7
+++ BDB/xthread.h	2008/07/29 03:33:16	1.8
@@ -118,6 +118,10 @@
 # define PTHREAD_STACK_MIN 0
 #endif
 
+#ifndef X_STACKSIZE
+# define X_STACKSIZE sizeof (long) * 4096
+#endif
+
 static int
 thread_create (thread_t *tid, void *(*proc)(void *), void *arg)
 {
@@ -127,8 +131,7 @@
 
   pthread_attr_init (&attr);
   pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
-  pthread_attr_setstacksize (&attr, PTHREAD_STACK_MIN < sizeof (long) * 4096
-                                    ? sizeof (long) * 4096 : PTHREAD_STACK_MIN);
+  pthread_attr_setstacksize (&attr, PTHREAD_STACK_MIN < X_STACKSIZE ? X_STACKSIZE : PTHREAD_STACK_MIN);
 #ifdef PTHREAD_SCOPE_PROCESS
   pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
 #endif