--- ace/os_include/os_pthread.h.orig	2015-09-17 06:55:18 UTC
+++ ace/os_include/os_pthread.h
@@ -277,7 +277,11 @@
 #  undef THR_DAEMON
 
 #  define THR_BOUND               0x00000001
+# if defined(__FreeBSD__)
+#  define THR_NEW_LWP             0x00000000
+# else
 #  define THR_NEW_LWP             0x00000002
+# endif
 #  define THR_DAEMON              0x00000010
 #  define THR_DETACHED            0x00000040
 #  define THR_SUSPENDED           0x00000080