diff --git a/src/osgText/Font.cpp b/src/osgText/Font.cpp
index 72d3a24ea..0b289aade 100644
--- a/src/osgText/Font.cpp
+++ b/src/osgText/Font.cpp
@@ -44,7 +44,11 @@ osg::ref_ptr<Font>& Font::getDefaultFont()
     return s_defaultFont;
 }
 
-static OpenThreads::ReentrantMutex s_FontFileMutex;
+static OpenThreads::ReentrantMutex& getFontFileMutex()
+{
+    static OpenThreads::ReentrantMutex s_FontFileMutex;
+    return s_FontFileMutex;
+}
 
 std::string osgText::findFontFile(const std::string& str)
 {
@@ -52,7 +56,7 @@ std::string osgText::findFontFile(const std::string& str)
     std::string filename = osgDB::findDataFile(str);
     if (!filename.empty()) return filename;
 
-    OpenThreads::ScopedLock<OpenThreads::ReentrantMutex> lock(s_FontFileMutex);
+    OpenThreads::ScopedLock<OpenThreads::ReentrantMutex> lock(getFontFileMutex());
 
     static osgDB::FilePathList s_FontFilePath;
     static bool initialized = false;
@@ -107,7 +111,7 @@ osgText::Font* osgText::readFontFile(const std::string& filename, const osgDB::R
     if (foundFile.empty())
         foundFile = filename;
     
-    OpenThreads::ScopedLock<OpenThreads::Mutex> lock(s_FontFileMutex);
+    OpenThreads::ScopedLock<OpenThreads::Mutex> lock(getFontFileMutex());
 
     osg::ref_ptr<osgDB::ReaderWriter::Options> localOptions;
     if (!userOptions)
@@ -129,7 +133,7 @@ osgText::Font* osgText::readFontFile(const std::string& filename, const osgDB::R
 
 osgText::Font* osgText::readFontStream(std::istream& stream, const osgDB::ReaderWriter::Options* userOptions)
 {
-    OpenThreads::ScopedLock<OpenThreads::Mutex> lock(s_FontFileMutex);
+    OpenThreads::ScopedLock<OpenThreads::Mutex> lock(getFontFileMutex());
 
     osg::ref_ptr<osgDB::ReaderWriter::Options> localOptions;
     if (!userOptions)
@@ -168,7 +172,7 @@ osg::ref_ptr<Font> osgText::readRefFontFile(const std::string& filename, const o
     if (foundFile.empty())
         foundFile = filename;
     
-    OpenThreads::ScopedLock<OpenThreads::Mutex> lock(s_FontFileMutex);
+    OpenThreads::ScopedLock<OpenThreads::Mutex> lock(getFontFileMutex());
 
     osg::ref_ptr<osgDB::ReaderWriter::Options> localOptions;
     if (!userOptions)
@@ -188,7 +192,7 @@ osg::ref_ptr<Font> osgText::readRefFontFile(const std::string& filename, const o
 
 osg::ref_ptr<Font> osgText::readRefFontStream(std::istream& stream, const osgDB::ReaderWriter::Options* userOptions)
 {
-    OpenThreads::ScopedLock<OpenThreads::Mutex> lock(s_FontFileMutex);
+    OpenThreads::ScopedLock<OpenThreads::Mutex> lock(getFontFileMutex());
 
     osg::ref_ptr<osgDB::ReaderWriter::Options> localOptions;
     if (!userOptions)
diff --git a/src/osgViewer/Scene.cpp b/src/osgViewer/Scene.cpp
index e07523b79..fcec0a2c6 100644
--- a/src/osgViewer/Scene.cpp
+++ b/src/osgViewer/Scene.cpp
@@ -17,8 +17,18 @@
 using namespace osgViewer;
 
 typedef std::vector< osg::observer_ptr<Scene> >  SceneCache;
-static OpenThreads::Mutex s_sceneCacheMutex;
-static SceneCache s_sceneCache;
+
+static SceneCache& getSceneCache()
+{
+    static SceneCache s_sceneCache;
+    return s_sceneCache;
+}
+
+static OpenThreads::Mutex& getSceneCacheMutex()
+{
+    static OpenThreads::Mutex s_sceneCacheMutex;
+    return s_sceneCacheMutex;
+}
 
 Scene::Scene():
     osg::Referenced(true)
@@ -26,21 +36,21 @@ Scene::Scene():
     setDatabasePager(osgDB::DatabasePager::create());
     setImagePager(new osgDB::ImagePager);
     
-    OpenThreads::ScopedLock<OpenThreads::Mutex> lock(s_sceneCacheMutex);
-    s_sceneCache.push_back(this);
+    OpenThreads::ScopedLock<OpenThreads::Mutex> lock(getSceneCacheMutex());
+    getSceneCache().push_back(this);
 }
 
 Scene::~Scene()
 {
-    OpenThreads::ScopedLock<OpenThreads::Mutex> lock(s_sceneCacheMutex);
-    for(SceneCache::iterator itr = s_sceneCache.begin();
-        itr != s_sceneCache.end();
+    OpenThreads::ScopedLock<OpenThreads::Mutex> lock(getSceneCacheMutex());
+    for(SceneCache::iterator itr = getSceneCache().begin();
+        itr != getSceneCache().end();
         ++itr)
     {
         Scene* scene = itr->get();
         if (scene==this)
         {
-            s_sceneCache.erase(itr);
+            getSceneCache().erase(itr);
             break;
         }
     }
@@ -97,9 +107,9 @@ void Scene::updateSceneGraph(osg::NodeVisitor& updateVisitor)
 
 Scene* Scene::getScene(osg::Node* node)
 {
-    OpenThreads::ScopedLock<OpenThreads::Mutex> lock(s_sceneCacheMutex);
-    for(SceneCache::iterator itr = s_sceneCache.begin();
-        itr != s_sceneCache.end();
+    OpenThreads::ScopedLock<OpenThreads::Mutex> lock(getSceneCacheMutex());
+    for(SceneCache::iterator itr = getSceneCache().begin();
+        itr != getSceneCache().end();
         ++itr)
     {
         Scene* scene = itr->get();