--- src/util/sys_defs.h.orig	2009-05-11 03:45:27.000000000 +0300
+++ src/util/sys_defs.h	2009-07-22 21:26:44.208909929 +0300
@@ -25,6 +25,7 @@
   */
 #if defined(FREEBSD2) || defined(FREEBSD3) || defined(FREEBSD4) \
     || defined(FREEBSD5) || defined(FREEBSD6) || defined(FREEBSD7) \
+    || defined(FREEBSD8) \
     || defined(BSDI2) || defined(BSDI3) || defined(BSDI4) \
     || defined(OPENBSD2) || defined(OPENBSD3) || defined(OPENBSD4) \
     || defined(NETBSD1) || defined(NETBSD2) || defined(NETBSD3) \
@@ -110,6 +111,10 @@
 #define HAS_DUPLEX_PIPE			/* 4.1 breaks with kqueue(2) */
 #endif
 
+#if __FreeBSD_version >= 702104 || __FreeBSD_version >= 800100
+#define HAS_CLOSEFROM
+#endif
+
 /* OpenBSD version is year+month */
 
 #if OpenBSD >= 199805			/* XXX */