Index: Source/plugin.h
--- Source/plugin.h.orig	2004-06-14 20:35:56 +0200
+++ Source/plugin.h	2004-09-17 16:02:21 +0200
@@ -37,6 +37,7 @@
 
 #ifndef __PLUGIN_H__
 #define __PLUGIN_H__
+#include <cmath>
 #define _XOPEN_SOURCE 500
 
 #ifndef _GNU_SOURCE