https://sourceforge.net/tracker/index.php?func=detail&aid=1947310&group_id=47275&atid=448967

Index: amSynth-1.2.0/src/Config.cc
===================================================================
--- amSynth-1.2.0.orig/src/Config.cc
+++ amSynth-1.2.0/src/Config.cc
@@ -6,6 +6,7 @@
 
 #include <fstream>
 #include <iostream>
+#include <cstdlib>
 
 using namespace std;
 
Index: amSynth-1.2.0/src/drivers/MidiInterface.cc
===================================================================
--- amSynth-1.2.0.orig/src/drivers/MidiInterface.cc
+++ amSynth-1.2.0/src/drivers/MidiInterface.cc
@@ -8,6 +8,7 @@
 #include "OSSMidiDriver.h"
 
 #include <iostream>
+#include <strings.h>
 
 #define MIDI_BUF_SIZE 64
 void sched_realtime (); // defined in main.cc
Index: amSynth-1.2.0/src/GUI/PresetControllerView.cc
===================================================================
--- amSynth-1.2.0.orig/src/GUI/PresetControllerView.cc
+++ amSynth-1.2.0/src/GUI/PresetControllerView.cc
@@ -8,7 +8,6 @@
 #include <stdio.h>
 #include <iostream>
 
-using SigC::slot;
 using sigc::bind;
 using std::cout;
 using namespace std;
Index: amSynth-1.2.0/src/MidiController.cc
===================================================================
--- amSynth-1.2.0.orig/src/MidiController.cc
+++ amSynth-1.2.0/src/MidiController.cc
@@ -8,6 +8,7 @@
 #ifdef _DEBUG
 #include <iostream>
 #endif
+#include <cstdlib>
 
 using namespace std;
 
Index: amSynth-1.2.0/src/Parameter.cc
===================================================================
--- amSynth-1.2.0.orig/src/Parameter.cc
+++ amSynth-1.2.0/src/Parameter.cc
@@ -4,6 +4,8 @@
 
 #include "Parameter.h"
 
+#include <cstdlib>
+
 #ifdef _DEBUG
 #include <iostream>
 #endif
Index: amSynth-1.2.0/src/VoiceAllocationUnit.cc
===================================================================
--- amSynth-1.2.0.orig/src/VoiceAllocationUnit.cc
+++ amSynth-1.2.0/src/VoiceAllocationUnit.cc
@@ -9,6 +9,7 @@
 #include "Effects/Distortion.h"
 
 #include <iostream>
+#include <cstring>
 #include <math.h>
 #include <assert.h>