--- povray31/source/pvm/pvm.h.orig	Sun Sep 12 01:25:35 1999
+++ povray31/source/pvm/pvm.h	Wed Mar 22 13:04:15 2000
@@ -23,9 +23,9 @@
  * add it in permanently.
  */
 
-#include <features.h>
+/*#include <features.h>*/
 
-#if defined(SUN4SOL2) || defined(your_pvm_arch)
+#if defined(SUN4SOL2) || defined(__FreeBSD__)
 
 #define NICE(x) nice(x)
 extern int nice PARAMS((int prio));