--- dsp/tempotracking/DownBeat.h.orig   2012-03-15 17:34:27.653619322 +0100

+++ dsp/tempotracking/DownBeat.h    2012-03-15 17:34:41.716618818 +0100

@@ -16,6 +16,7 @@

 #ifndef DOWNBEAT_H

 #define DOWNBEAT_H

+#include <cstdlib>

 #include <vector>

 #include "dsp/rateconversion/Decimator.h"

--- dsp/tempotracking/TempoTrackV2.h.orig   2012-03-15 17:34:11.396619903 +0100

+++ dsp/tempotracking/TempoTrackV2.h    2012-03-15 17:34:23.268619482 +0100

@@ -17,6 +17,7 @@

 #ifndef TEMPOTRACKV2_H

 #define TEMPOTRACKV2_H

+#include <cstdlib>

 #include <vector>

 using std::vector;

--- dsp/tonal/TCSgram.h.orig    2012-03-15 17:34:46.790618643 +0100

+++ dsp/tonal/TCSgram.h 2012-03-15 17:34:53.404618404 +0100

@@ -16,6 +16,7 @@

 #ifndef _TCSGram_

 #define _TCSGram_

+#include <cstdlib>

 #include <vector>

 #include <valarray>

 #include <utility>

--- base/Window.h.orig  2012-03-15 17:35:10.727617788 +0100

+++ base/Window.h   2012-03-15 17:35:17.684617541 +0100

@@ -15,6 +15,7 @@

 #ifndef _WINDOW_H_

 #define _WINDOW_H_

+#include <cstdlib>

 #include <cmath>

 #include <iostream>

 #include <map>

​