$OpenBSD$
--- indra/llmath/llmath.h.orig	Wed Nov  7 20:18:06 2007
+++ indra/llmath/llmath.h	Mon Nov 12 08:03:45 2007
@@ -42,6 +42,9 @@
 #elif LL_SOLARIS
 #define llisnan(val)    isnan(val)
 #define llfinite(val)   (val <= std::numeric_limits<double>::max())
+#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)
