Fixed warning and quitened ones caused by 3rd party headers.

src/osgPlugins/exr/CMakeLists.txt

@@ -4,5 +4,10 @@ SET(TARGET_SRC ReaderWriterEXR.cpp )
 
 SET(TARGET_LIBRARIES_VARS ${OPENEXR_LIBRARIES_VARS} ZLIB_LIBRARY)
 
+IF(CMAKE_COMPILER_IS_GNUCXX)
+    # Remove -Wshadow flag as it barfs on ffmoeg headers
+   STRING(REGEX REPLACE "-Wshadow" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
+ENDIF()
+
 #### end var setup  ###
 SETUP_PLUGIN(exr)

src/osgPlugins/exr/ReaderWriterEXR.cpp

@@ -248,7 +248,7 @@ public:
             return WriteResult::ERROR_IN_WRITING_FILE;
      }
 protected:
-    bool writeEXRStream(const osg::Image &img, std::ostream& fout, const std::string &fileName) const
+    bool writeEXRStream(const osg::Image &img, std::ostream& fout, const std::string& /*fileName*/) const
     {
         bool writeOK = true;