$NetBSD$

--- src/load-graph.cpp.orig	2009-06-23 00:03:02.000000000 +0000
+++ src/load-graph.cpp
@@ -411,8 +411,11 @@ net_scale (LoadGraph *g, unsigned din, u
 	  //
 	  // e.g: ceil(100.5 KiB) = 101 KiB = 101 * 2**(1 * 10)
 	  //      where base10 = 1, coef10 = 101, pow2 = 16
-
+#ifdef __FreeBSD__
+	  unsigned pow2 = std::floor(log(new_max) / log(2));
+#else
 	  unsigned pow2 = std::floor(log2(new_max));
+#endif
 	  unsigned base10 = pow2 / 10;
 	  unsigned coef10 = std::ceil(new_max / double(1UL << (base10 * 10)));
 	  g_assert(new_max <= (coef10 * (1UL << (base10 * 10))));
