--- SConstruct.old	2011-06-20 11:02:18.823946260 +0200
+++ SConstruct	2011-06-20 11:02:36.356032373 +0200
@@ -348,6 +348,7 @@
 	libs += env['LIBS']
 	ogllibs = ['GL', 'GLU']
 	lflags = '-L/usr/X11R6/lib' + env['LINKFLAGS']
+	libs += 'm'
 
 # arm architecture?
 if (arm == 1):