--- src/font.cc.orig	Sat Jan 17 17:00:00 2004
+++ src/font.cc	Sat Jan 17 17:00:22 2004
@@ -22,6 +22,7 @@
 
 #include <iostream>
 #include <iomanip>
+#include <math.h>
 #include "font.h"
 
 namespace OGLFT {