diff --git a/ACE/ace/config-freebsd.h b/ACE/ace/config-freebsd.h
index f3c423a77b557..ceef9fc2a902b 100644
--- a/ACE/ace/config-freebsd.h
+++ b/ACE/ace/config-freebsd.h
@@ -43,7 +43,6 @@
 #define ACE_HAS_POSIX_TIME
 #define ACE_HAS_RECURSIVE_THR_EXIT_SEMANTICS
 #define ACE_HAS_RTLD_LAZY_V
-#define ACE_HAS_SEMUN
 #define ACE_HAS_SIGISMEMBER_BUG
 #define ACE_HAS_SIGSUSPEND
 #define ACE_HAS_SIGWAIT
@@ -182,6 +181,14 @@ enum schedparam_policy {
 # define ACE_HAS_VOID_UNSETENV
 #endif
 
+#if (__FreeBSD_version >= 800025)
+# define ACE_HAS_CPUSET_T
+#endif
+
+#if (__FreeBSD_version < 1200059)
+# define ACE_HAS_SEMUN
+#endif
+
 #include /**/ "ace/post.h"
 
 #endif /* ACE_CONFIG_H */