$OpenBSD$
--- indra/llmath/llmath.h.orig	Mon Jan  8 15:37:23 2007
+++ indra/llmath/llmath.h	Mon Jan  8 15:50:18 2007
@@ -41,6 +41,9 @@
 #elif (LL_LINUX && __GNUC__ <= 2)
 #define llisnan(val)	isnan(val)
 #define llfinite(val)	isfinite(val)
+#elif defined(__OpenBSD__)
+#define llisnan(val)	isnan(val)
+#define llfinite(val)	finite(val)
 #else
 #define llisnan(val)	std::isnan(val)
 #define llfinite(val)	std::isfinite(val)
