diff --git a/qgroundcontrol.pri b/qgroundcontrol.pri
index ca97ea05ac55267b78c71f6dcbd32e809b171dfc..8103c9ea998e9318ed8701a76cd31dbdac885ca6 100644
--- a/qgroundcontrol.pri
+++ b/qgroundcontrol.pri
@@ -135,7 +135,7 @@ macx {
 
     # osg/osgEarth dynamic casts might fail without this compiler option.
     # see http://osgearth.org/wiki/FAQ for details.
-    #QMAKE_CXXFLAGS += -Wl, -E
+    #QMAKE_CXXFLAGS += -Wl,-E
 }
 
 # GNU/Linux
@@ -204,7 +204,7 @@ linux-g++ {
 
     # osg/osgEarth dynamic casts might fail without this compiler option.
     # see http://osgearth.org/wiki/FAQ for details.
-    QMAKE_CXXFLAGS += -Wl, -E
+    QMAKE_CXXFLAGS += -Wl,-E
 }
 
 linux-g++-64 {
@@ -268,7 +268,7 @@ linux-g++-64 {
 
     # osg/osgEarth dynamic casts might fail without this compiler option.
     # see http://osgearth.org/wiki/FAQ for details.
-    QMAKE_CXXFLAGS += -Wl, -E
+    QMAKE_CXXFLAGS += -Wl,-E
 }
 
 # Windows (32bit)
@@ -339,7 +339,7 @@ win32-g++ {
 
     # osg/osgEarth dynamic casts might fail without this compiler option.
     # see http://osgearth.org/wiki/FAQ for details.
-    QMAKE_CXXFLAGS += -Wl, -E
+    QMAKE_CXXFLAGS += -Wl,-E
 }
 
 # Windows (64bit)
@@ -377,5 +377,5 @@ win64-g++ {
 
     # osg/osgEarth dynamic casts might fail without this compiler option.
     # see http://osgearth.org/wiki/FAQ for details.
-    QMAKE_CXXFLAGS += -Wl, -E
+    QMAKE_CXXFLAGS += -Wl,-E
 }
diff --git a/src/ui/map3D/GCManipulator.cc b/src/ui/map3D/GCManipulator.cc
index 83b0b61684a99cecb1e8e9a8b787e2742304263a..cdabc966533ea9f53448713144bcbd9b584f5e6b 100644
--- a/src/ui/map3D/GCManipulator.cc
+++ b/src/ui/map3D/GCManipulator.cc
@@ -254,7 +254,7 @@ GCManipulator::calcMovement()
     if (buttonMask == GUIEventAdapter::LEFT_MOUSE_BUTTON)
     {
         // rotate camera
-        osg::Vec3d axis;
+        osg::Vec3 axis;
         float angle;
 
         float px0 = _ga_t0->getXnormalized();
diff --git a/src/ui/map3D/Q3DWidget.cc b/src/ui/map3D/Q3DWidget.cc
index 0e08d85ac6d8b32e44b316c2a16b1f3af584d805..5a0df71c8ec2b3869a3fe6f037ac309f5e624c06 100644
--- a/src/ui/map3D/Q3DWidget.cc
+++ b/src/ui/map3D/Q3DWidget.cc
@@ -34,7 +34,6 @@ This file is part of the QGROUNDCONTROL project
 #include <osg/Geometry>
 #include <osg/LineWidth>
 #include <osg/MatrixTransform>
-#include <Carbon/Carbon.h>
 
 Q3DWidget::Q3DWidget(QWidget* parent)
     : QGLWidget(parent)