diff --git a/examples/camera/example.cpp b/examples/camera/example.cpp
index de343708d..1698ec0dd 100644
--- a/examples/camera/example.cpp
+++ b/examples/camera/example.cpp
@@ -26,6 +26,22 @@
 #include <GL/glut.h>
 #endif
 
+#ifndef GLUT_WHEEL_UP
+#define GLUT_WHEEL_UP    3
+#endif
+#ifndef GLUT_WHEEL_DOWN
+#define GLUT_WHEEL_DOWN  4
+#endif
+#ifndef GLUT_WHEEL_RIGHT
+#define GLUT_WHEEL_RIGHT 5
+#endif
+#ifndef GLUT_WHEEL_LEFT
+#define GLUT_WHEEL_LEFT  6
+#endif
+#ifndef GLUT_ACTIVE_COMMAND
+#define GLUT_ACTIVE_COMMAND 8
+#endif
+
 #include <vector>
 #include <stack>
 #include <iostream>
diff --git a/examples/flare-eyes/example.cpp b/examples/flare-eyes/example.cpp
index 26bee0cc9..804992250 100644
--- a/examples/flare-eyes/example.cpp
+++ b/examples/flare-eyes/example.cpp
@@ -35,6 +35,22 @@
 #include <GL/glut.h>
 #endif
 
+#ifndef GLUT_WHEEL_UP
+#define GLUT_WHEEL_UP    3
+#endif
+#ifndef GLUT_WHEEL_DOWN
+#define GLUT_WHEEL_DOWN  4
+#endif
+#ifndef GLUT_WHEEL_RIGHT
+#define GLUT_WHEEL_RIGHT 5
+#endif
+#ifndef GLUT_WHEEL_LEFT
+#define GLUT_WHEEL_LEFT  6
+#endif
+#ifndef GLUT_ACTIVE_COMMAND
+#define GLUT_ACTIVE_COMMAND 8
+#endif
+
 #include <string>
 #include <vector>
 #include <iomanip>
diff --git a/examples/patches/example.cpp b/examples/patches/example.cpp
index 0e882aa05..5516b0e99 100644
--- a/examples/patches/example.cpp
+++ b/examples/patches/example.cpp
@@ -43,10 +43,18 @@
 
 #ifndef GLUT_WHEEL_UP
 #define GLUT_WHEEL_UP    3
+#endif
+#ifndef GLUT_WHEEL_DOWN
 #define GLUT_WHEEL_DOWN  4
+#endif
+#ifndef GLUT_WHEEL_RIGHT
 #define GLUT_WHEEL_RIGHT 5
+#endif
+#ifndef GLUT_WHEEL_LEFT
 #define GLUT_WHEEL_LEFT  6
-#define GLUT_ACTIVE_COMMAND 1
+#endif
+#ifndef GLUT_ACTIVE_COMMAND
+#define GLUT_ACTIVE_COMMAND 8
 #endif
 
 #include <ctime>
diff --git a/examples/randomly-sample-mesh/example.cpp b/examples/randomly-sample-mesh/example.cpp
index a64b65ce8..bb51c3cbb 100644
--- a/examples/randomly-sample-mesh/example.cpp
+++ b/examples/randomly-sample-mesh/example.cpp
@@ -32,6 +32,22 @@
 #include <GL/glut.h>
 #endif
 
+#ifndef GLUT_WHEEL_UP
+#define GLUT_WHEEL_UP    3
+#endif
+#ifndef GLUT_WHEEL_DOWN
+#define GLUT_WHEEL_DOWN  4
+#endif
+#ifndef GLUT_WHEEL_RIGHT
+#define GLUT_WHEEL_RIGHT 5
+#endif
+#ifndef GLUT_WHEEL_LEFT
+#define GLUT_WHEEL_LEFT  6
+#endif
+#ifndef GLUT_ACTIVE_COMMAND
+#define GLUT_ACTIVE_COMMAND 8
+#endif
+
 #include <string>
 #include <vector>
 #include <stack>
diff --git a/examples/rotate-widget/example.cpp b/examples/rotate-widget/example.cpp
index ebf79a6f4..f09164e94 100644
--- a/examples/rotate-widget/example.cpp
+++ b/examples/rotate-widget/example.cpp
@@ -33,6 +33,22 @@
 # include <GL/glut.h>
 #endif
 
+#ifndef GLUT_WHEEL_UP
+#define GLUT_WHEEL_UP    3
+#endif
+#ifndef GLUT_WHEEL_DOWN
+#define GLUT_WHEEL_DOWN  4
+#endif
+#ifndef GLUT_WHEEL_RIGHT
+#define GLUT_WHEEL_RIGHT 5
+#endif
+#ifndef GLUT_WHEEL_LEFT
+#define GLUT_WHEEL_LEFT  6
+#endif
+#ifndef GLUT_ACTIVE_COMMAND
+#define GLUT_ACTIVE_COMMAND 8
+#endif
+
 #include <string>
 #include <vector>
 #include <list>
diff --git a/examples/scene-rotation/example.cpp b/examples/scene-rotation/example.cpp
index 0515c4f35..1f65a9e98 100644
--- a/examples/scene-rotation/example.cpp
+++ b/examples/scene-rotation/example.cpp
@@ -36,6 +36,22 @@
 #include <GL/glut.h>
 #endif
 
+#ifndef GLUT_WHEEL_UP
+#define GLUT_WHEEL_UP    3
+#endif
+#ifndef GLUT_WHEEL_DOWN
+#define GLUT_WHEEL_DOWN  4
+#endif
+#ifndef GLUT_WHEEL_RIGHT
+#define GLUT_WHEEL_RIGHT 5
+#endif
+#ifndef GLUT_WHEEL_LEFT
+#define GLUT_WHEEL_LEFT  6
+#endif
+#ifndef GLUT_ACTIVE_COMMAND
+#define GLUT_ACTIVE_COMMAND 8
+#endif
+
 #include <string>
 #include <vector>
 #include <stack>
diff --git a/examples/shadow-mapping/example.cpp b/examples/shadow-mapping/example.cpp
index 135b2d53b..00be7685f 100644
--- a/examples/shadow-mapping/example.cpp
+++ b/examples/shadow-mapping/example.cpp
@@ -43,10 +43,18 @@
 
 #ifndef GLUT_WHEEL_UP
 #define GLUT_WHEEL_UP    3
+#endif
+#ifndef GLUT_WHEEL_DOWN
 #define GLUT_WHEEL_DOWN  4
+#endif
+#ifndef GLUT_WHEEL_RIGHT
 #define GLUT_WHEEL_RIGHT 5
+#endif
+#ifndef GLUT_WHEEL_LEFT
 #define GLUT_WHEEL_LEFT  6
-#define GLUT_ACTIVE_COMMAND 1
+#endif
+#ifndef GLUT_ACTIVE_COMMAND
+#define GLUT_ACTIVE_COMMAND 8
 #endif
 
 #include <ctime>
diff --git a/examples/skeleton-builder/example.cpp b/examples/skeleton-builder/example.cpp
index 6d962f1af..9466f6466 100644
--- a/examples/skeleton-builder/example.cpp
+++ b/examples/skeleton-builder/example.cpp
@@ -51,6 +51,22 @@
 #include <GL/glut.h>
 #endif
 
+#ifndef GLUT_WHEEL_UP
+#define GLUT_WHEEL_UP    3
+#endif
+#ifndef GLUT_WHEEL_DOWN
+#define GLUT_WHEEL_DOWN  4
+#endif
+#ifndef GLUT_WHEEL_RIGHT
+#define GLUT_WHEEL_RIGHT 5
+#endif
+#ifndef GLUT_WHEEL_LEFT
+#define GLUT_WHEEL_LEFT  6
+#endif
+#ifndef GLUT_ACTIVE_COMMAND
+#define GLUT_ACTIVE_COMMAND 8
+#endif
+
 #include <string>
 #include <vector>
 #include <queue>
diff --git a/examples/skeleton-poser/example.cpp b/examples/skeleton-poser/example.cpp
index 9de69741e..76003786c 100644
--- a/examples/skeleton-poser/example.cpp
+++ b/examples/skeleton-poser/example.cpp
@@ -49,13 +49,26 @@
 
 #ifdef __APPLE__
 #include <GLUT/glut.h>
-#ifndef GLUT_ACTIVE_COMMAND
-#  define GLUT_ACTIVE_COMMAND 9
-#endif
 #else
 #include <GL/glut.h>
 #endif
 
+#ifndef GLUT_WHEEL_UP
+#define GLUT_WHEEL_UP    3
+#endif
+#ifndef GLUT_WHEEL_DOWN
+#define GLUT_WHEEL_DOWN  4
+#endif
+#ifndef GLUT_WHEEL_RIGHT
+#define GLUT_WHEEL_RIGHT 5
+#endif
+#ifndef GLUT_WHEEL_LEFT
+#define GLUT_WHEEL_LEFT  6
+#endif
+#ifndef GLUT_ACTIVE_COMMAND
+#define GLUT_ACTIVE_COMMAND 8
+#endif
+
 #include <string>
 #include <vector>
 #include <queue>
diff --git a/examples/skeleton/example.cpp b/examples/skeleton/example.cpp
index 92f6c6891..8b1de8c4d 100644
--- a/examples/skeleton/example.cpp
+++ b/examples/skeleton/example.cpp
@@ -40,6 +40,22 @@
 #include <GL/glut.h>
 #endif
 
+#ifndef GLUT_WHEEL_UP
+#define GLUT_WHEEL_UP    3
+#endif
+#ifndef GLUT_WHEEL_DOWN
+#define GLUT_WHEEL_DOWN  4
+#endif
+#ifndef GLUT_WHEEL_RIGHT
+#define GLUT_WHEEL_RIGHT 5
+#endif
+#ifndef GLUT_WHEEL_LEFT
+#define GLUT_WHEEL_LEFT  6
+#endif
+#ifndef GLUT_ACTIVE_COMMAND
+#define GLUT_ACTIVE_COMMAND 8
+#endif
+
 #include <string>
 #include <vector>
 #include <stack>
diff --git a/examples/upright/example.cpp b/examples/upright/example.cpp
index c50124d2e..fe492247a 100644
--- a/examples/upright/example.cpp
+++ b/examples/upright/example.cpp
@@ -34,6 +34,22 @@
 #include <GL/glut.h>
 #endif
 
+#ifndef GLUT_WHEEL_UP
+#define GLUT_WHEEL_UP    3
+#endif
+#ifndef GLUT_WHEEL_DOWN
+#define GLUT_WHEEL_DOWN  4
+#endif
+#ifndef GLUT_WHEEL_RIGHT
+#define GLUT_WHEEL_RIGHT 5
+#endif
+#ifndef GLUT_WHEEL_LEFT
+#define GLUT_WHEEL_LEFT  6
+#endif
+#ifndef GLUT_ACTIVE_COMMAND
+#define GLUT_ACTIVE_COMMAND 8
+#endif
+
 #include <string>
 #include <vector>
 #include <stack>