--- include/mconfig.h.orig	Fri May  2 15:42:31 1997
+++ include/mconfig.h	Fri Apr 30 14:41:13 1999
@@ -674,9 +674,9 @@
 #endif
 
 /*
- * Prototype for FreeBSD
+ * Prototype for FreeBSD / NetBSD / OpenBSD
  */
-#if defined(__FreeBSD__)
+#if defined(__FreeBSD__) || defined(__NetBSD__) || defined (__OpenBSD__)
 #	define	NO_FLOATINGPOINT/* No support for nonstd floatingpoint */
 #	define	PROTOTYPES
 #	define	HAVE_AOUT
