Index: nsprpub/pr/include/md/_freebsd.h
diff -u nsprpub/pr/include/md/_freebsd.h.orig nsprpub/pr/include/md/_freebsd.h
--- nsprpub/pr/include/md/_freebsd.h.orig	Thu Dec 23 08:39:04 1999
+++ nsprpub/pr/include/md/_freebsd.h	Fri Apr 28 22:14:54 2000
@@ -21,6 +21,7 @@
 
 #include "prthread.h"
 
+#include <sys/param.h>
 #include <sys/syscall.h>
 
 #define PR_LINKER_ARCH	"freebsd"
@@ -49,7 +50,7 @@
 #define _PR_HAVE_SOCKADDR_LEN
 #define _PR_STAT_HAS_ST_ATIMESPEC
 #define _PR_NO_LARGE_FILES
-#if ( __FreeBSD__ > 2 )
+#if ( __FreeBSD_version >= 220000 ) && ( __FreeBSD_version < 400008 )
 #if !defined(_PR_PTHREADS)
 /*
  * libc_r doesn't have poll().  Although libc has poll(), it is not
@@ -61,6 +62,12 @@
 #endif
 #define _PR_HAVE_SYSV_SEMAPHORES
 #define PR_HAVE_SYSV_NAMED_SHARED_MEMORY
+
+#ifdef _PR_INET6
+#define _PR_HAVE_GETIPNODEBYNAME
+#define _PR_HAVE_GETIPNODEBYADDR
+#define _PR_INET6_PROBE
+#endif
 
 #define USE_SETJMP