--- SimGear.orig/simgear/scene/sky/cloudfield.hxx	2009-11-26 18:24:02.000000000 +0100

+++ SimGear/simgear/scene/sky/cloudfield.hxx	2010-01-31 23:41:12.835644019 +0100

@@ -31,6 +31,7 @@

 #include <osg/ref_ptr>

 #include <osg/Array>

+#include <osg/Fog>

 #include <osg/Geometry>

 #include <osg/Group>

 #include <osg/Switch>

@@ -89,7 +90,11 @@

         int reposition_count;

         struct CloudFog : public simgear::Singleton<CloudFog>

         {

-                CloudFog();

+                CloudFog() {

+		    fog = new osg::Fog;

+		    fog->setMode(osg::Fog::EXP2);

+		    fog->setDataVariance(osg::Object::DYNAMIC);

+		}

                 osg::ref_ptr<osg::Fog> fog;

         };

 public:

--- SimGear.orig/simgear/scene/sky/cloudfield.cxx	2010-01-23 12:40:43.000000000 +0100

+++ SimGear/simgear/scene/sky/cloudfield.cxx	2010-01-31 23:37:42.707739218 +0100

@@ -287,13 +287,6 @@

     }

 }

-SGCloudField::CloudFog::CloudFog()

-{

-    fog = new osg::Fog;

-    fog->setMode(osg::Fog::EXP2);

-    fog->setDataVariance(osg::Object::DYNAMIC);

-}

-

 void SGCloudField::updateFog(double visibility, const osg::Vec4f& color)

 {

     const double sqrt_m_log01 = sqrt(-log(0.01));