diff --git a/src/osg/DisplaySettings.cpp b/src/osg/DisplaySettings.cpp
index edcde4616..93d22e2e2 100644
--- a/src/osg/DisplaySettings.cpp
+++ b/src/osg/DisplaySettings.cpp
@@ -102,16 +102,16 @@ void DisplaySettings::setDefaults()
     _maxNumOfGraphicsContexts = 1;
 }
 
-ApplicationUsageProxy e0(ApplicationUsage::ENVIRONMENTAL_VARIABLE,"OSG_STEREO_MODE <mode>","QUAD_BUFFER | ANAGLYPHIC | HORIZONTAL_SPLIT | VERTICAL_SPLIT | LEFT_EYE | RIGHT_EYE");
-ApplicationUsageProxy e1(ApplicationUsage::ENVIRONMENTAL_VARIABLE,"OSG_STEREO <mode>","OFF | ON");
-ApplicationUsageProxy e2(ApplicationUsage::ENVIRONMENTAL_VARIABLE,"OSG_EYE_SEPARATION <float>","physical distance between eyes");
-ApplicationUsageProxy e3(ApplicationUsage::ENVIRONMENTAL_VARIABLE,"OSG_SCREEN_DISTANCE <float>","physical distance between eyes and screen");
-ApplicationUsageProxy e4(ApplicationUsage::ENVIRONMENTAL_VARIABLE,"OSG_SCREEN_HEIGHT <float>","physical screen height");
-ApplicationUsageProxy e5(ApplicationUsage::ENVIRONMENTAL_VARIABLE,"OSG_SPLIT_STEREO_HORIZONTAL_EYE_MAPPING <mode>","LEFT_EYE_LEFT_VIEWPORT | LEFT_EYE_RIGHT_VIEWPORT");
-ApplicationUsageProxy e8(ApplicationUsage::ENVIRONMENTAL_VARIABLE,"OSG_SPLIT_STEREO_HORIZONTAL_SEPARATION <float>","number of pixels between viewports");
-ApplicationUsageProxy e9(ApplicationUsage::ENVIRONMENTAL_VARIABLE,"OSG_SPLIT_STEREO_VERTICAL_EYE_MAPPING <mode>","LEFT_EYE_TOP_VIEWPORT | LEFT_EYE_BOTTOM_VIEWPORT");
-ApplicationUsageProxy e11(ApplicationUsage::ENVIRONMENTAL_VARIABLE,"OSG_SPLIT_STEREO_VERTICAL_SEPARATION <float>","number of pixels between viewports");
-ApplicationUsageProxy e12(ApplicationUsage::ENVIRONMENTAL_VARIABLE,"OSG_MAX_NUMBER_OF_GRAPHICS_CONTEXTS <int>","maximum number of graphics contexts to be used with applications.");
+static ApplicationUsageProxy DisplaySetting_e0(ApplicationUsage::ENVIRONMENTAL_VARIABLE,"OSG_STEREO_MODE <mode>","QUAD_BUFFER | ANAGLYPHIC | HORIZONTAL_SPLIT | VERTICAL_SPLIT | LEFT_EYE | RIGHT_EYE");
+static ApplicationUsageProxy DisplaySetting_e1(ApplicationUsage::ENVIRONMENTAL_VARIABLE,"OSG_STEREO <mode>","OFF | ON");
+static ApplicationUsageProxy DisplaySetting_e2(ApplicationUsage::ENVIRONMENTAL_VARIABLE,"OSG_EYE_SEPARATION <float>","physical distance between eyes");
+static ApplicationUsageProxy DisplaySetting_e3(ApplicationUsage::ENVIRONMENTAL_VARIABLE,"OSG_SCREEN_DISTANCE <float>","physical distance between eyes and screen");
+static ApplicationUsageProxy DisplaySetting_e4(ApplicationUsage::ENVIRONMENTAL_VARIABLE,"OSG_SCREEN_HEIGHT <float>","physical screen height");
+static ApplicationUsageProxy DisplaySetting_e5(ApplicationUsage::ENVIRONMENTAL_VARIABLE,"OSG_SPLIT_STEREO_HORIZONTAL_EYE_MAPPING <mode>","LEFT_EYE_LEFT_VIEWPORT | LEFT_EYE_RIGHT_VIEWPORT");
+static ApplicationUsageProxy DisplaySetting_e8(ApplicationUsage::ENVIRONMENTAL_VARIABLE,"OSG_SPLIT_STEREO_HORIZONTAL_SEPARATION <float>","number of pixels between viewports");
+static ApplicationUsageProxy DisplaySetting_e9(ApplicationUsage::ENVIRONMENTAL_VARIABLE,"OSG_SPLIT_STEREO_VERTICAL_EYE_MAPPING <mode>","LEFT_EYE_TOP_VIEWPORT | LEFT_EYE_BOTTOM_VIEWPORT");
+static ApplicationUsageProxy DisplaySetting_e11(ApplicationUsage::ENVIRONMENTAL_VARIABLE,"OSG_SPLIT_STEREO_VERTICAL_SEPARATION <float>","number of pixels between viewports");
+static ApplicationUsageProxy DisplaySetting_e12(ApplicationUsage::ENVIRONMENTAL_VARIABLE,"OSG_MAX_NUMBER_OF_GRAPHICS_CONTEXTS <int>","maximum number of graphics contexts to be used with applications.");
 
 void DisplaySettings::readEnvironmentalVariables()
 {
diff --git a/src/osgDB/Registry.cpp b/src/osgDB/Registry.cpp
index a601630c7..4e6cf7003 100644
--- a/src/osgDB/Registry.cpp
+++ b/src/osgDB/Registry.cpp
@@ -108,9 +108,9 @@ Registry::~Registry()
 }
 
 #ifndef WIN32
-osg::ApplicationUsageProxy e0(osg::ApplicationUsage::ENVIRONMENTAL_VARIABLE,"OSG_FILE_PATH <path>[:path]..","Paths for locating datafiles");
+static osg::ApplicationUsageProxy Registry_e0(osg::ApplicationUsage::ENVIRONMENTAL_VARIABLE,"OSG_FILE_PATH <path>[:path]..","Paths for locating datafiles");
 #else
-osg::ApplicationUsageProxy e0(osg::ApplicationUsage::ENVIRONMENTAL_VARIABLE,"OSG_FILE_PATH <path>[;path]..","Paths for locating datafiles");
+static osg::ApplicationUsageProxy Registry_e0(osg::ApplicationUsage::ENVIRONMENTAL_VARIABLE,"OSG_FILE_PATH <path>[;path]..","Paths for locating datafiles");
 #endif
 
 void Registry::initDataFilePathList()
@@ -135,9 +135,9 @@ void Registry::initDataFilePathList()
 }
 
 #ifndef WIN32
-osg::ApplicationUsageProxy e1(osg::ApplicationUsage::ENVIRONMENTAL_VARIABLE,"OSG_LIBRARY_PATH <path>[:path]..","Paths for locating libraries/ plugins");
+static osg::ApplicationUsageProxy Registry_e1(osg::ApplicationUsage::ENVIRONMENTAL_VARIABLE,"OSG_LIBRARY_PATH <path>[:path]..","Paths for locating libraries/ plugins");
 #else
-osg::ApplicationUsageProxy e1(osg::ApplicationUsage::ENVIRONMENTAL_VARIABLE,"OSG_LIBRARY_PATH <path>[;path]..","Paths for locating libraries/ plugins");
+static osg::ApplicationUsageProxy Registry_e1(osg::ApplicationUsage::ENVIRONMENTAL_VARIABLE,"OSG_LIBRARY_PATH <path>[;path]..","Paths for locating libraries/ plugins");
 #endif
 
 void Registry::initLibraryFilePathList()