diff --git a/nel/include/nel/misc/common.h b/nel/include/nel/misc/common.h
index 01817fa98..7bbca427c 100644
--- a/nel/include/nel/misc/common.h
+++ b/nel/include/nel/misc/common.h
@@ -412,8 +412,13 @@ public:
 	Exception();
 	Exception(const std::string &reason);
 	Exception(const char *format, ...);
+#if defined(NL_COMP_GCC) && (GCC_VERSION < 40800)
+	virtual ~Exception() throw() {}
+	virtual const char      *what() const throw();
+#else
 	virtual ~Exception() NL_OVERRIDE {}
 	virtual const char	*what() const throw() NL_OVERRIDE;
+#endif
 };
 
 
diff --git a/nel/include/nel/misc/file.h b/nel/include/nel/misc/file.h
index 2d3912842..5db798a5e 100644
--- a/nel/include/nel/misc/file.h
+++ b/nel/include/nel/misc/file.h
@@ -41,8 +41,11 @@ struct EFile : public EStream
 	EFile (const std::string& filename) : EStream( "Unknown file error in '"+filename+"'" ), Filename(filename) {}
 	EFile (const std::string& filename, const std::string& text, bool ) : EStream( text ), Filename(filename) {}
 
+#if defined(NL_COMP_GCC) && (GCC_VERSION < 40800)
+	virtual ~EFile() throw() {}
+#else
 	virtual ~EFile() NL_OVERRIDE {}
-
+#endif
 	std::string Filename;
 };
 
diff --git a/nel/include/nel/misc/stream.h b/nel/include/nel/misc/stream.h
index 9b18d575c..01f08b22b 100644
--- a/nel/include/nel/misc/stream.h
+++ b/nel/include/nel/misc/stream.h
@@ -81,7 +81,12 @@ struct EStream : public Exception
 
 	EStream( const IStream &f, const std::string& str );
 
+#if defined(NL_COMP_GCC) && (GCC_VERSION < 40800)
+	virtual ~EStream() throw() {}
+#else
 	virtual ~EStream() NL_OVERRIDE {}
+#endif
+
 
 	// May Not be Filled...
 	std::string	StreamName;
diff --git a/ryzom/common/src/game_share/object.h b/ryzom/common/src/game_share/object.h
index 5b8c1c45d..d5f54b40e 100644
--- a/ryzom/common/src/game_share/object.h
+++ b/ryzom/common/src/game_share/object.h
@@ -290,8 +290,11 @@ class CObjectNumber : public CObject
 public:
 	explicit CObjectNumber(double value);
 	explicit CObjectNumber(sint64 value);
+	double getNumberValue() const { return m_IsInteger ? m_Value.Integer : m_Value.Number; }
+	sint64 getIntegerValue() const { return m_IsInteger ? m_Value.Integer : m_Value.Number; }
 
-	virtual const char *getTypeAsString() const NL_OVERRIDE;
+#if defined(NL_COMP_GCC) && (GCC_VERSION < 40800)
+	virtual const char *getTypeAsString() const;
 
 	virtual bool set(const std::string& key, sint64 value) NL_OVERRIDE;
 	virtual bool set(const std::string& key, double value) NL_OVERRIDE;
@@ -301,14 +304,44 @@ public:
 
 	virtual CObject* clone() const NL_OVERRIDE;
 
-	double getNumberValue() const { return m_IsInteger ? m_Value.Integer : m_Value.Number; }
-	sint64 getIntegerValue() const { return m_IsInteger ? m_Value.Integer : m_Value.Number; }
+	virtual void dump(const std::string prefix = "", uint depth = 0) const;
+
+	virtual bool equal(const CObject* other) const;
+#else
+	virtual const char *getTypeAsString() const NL_OVERRIDE;
+
+	virtual bool set(const std::string& key, sint64 value) NL_OVERRIDE;
+	virtual bool set(const std::string& key, double value) NL_OVERRIDE;
+	virtual bool set(const std::string& key, const std::string&value) NL_OVERRIDE;
+
+	virtual bool setObject(const std::string& key, CObject* value) NL_OVERRIDE;
+
+	virtual CObject* clone() const NL_OVERRIDE;
 
 	virtual void dump(const std::string prefix = "", uint depth = 0) const NL_OVERRIDE;
 
 	virtual bool equal(const CObject* other) const NL_OVERRIDE;
+#endif
 
 protected:
+#if defined(NL_COMP_GCC) && (GCC_VERSION < 40800)
+	virtual void doSerialize(std::string& out, CSerializeContext& context) const;
+
+	virtual bool doIsNumber() const NL_OVERRIDE;
+
+	virtual double doToNumber() const NL_OVERRIDE;
+
+	virtual bool doIsInteger() const NL_OVERRIDE;
+
+	virtual sint64 doToInteger() const NL_OVERRIDE;
+
+	virtual std::string doToString() const NL_OVERRIDE;
+
+	virtual void inPlaceCopyTo(CObject &dest) const NL_OVERRIDE;
+	virtual void inPlaceCopy(const CObjectNumber &src) NL_OVERRIDE;
+
+	virtual void visitInternal(IObjectVisitor &visitor);
+#else
 	virtual void doSerialize(std::string& out, CSerializeContext& context) const NL_OVERRIDE;
 
 	virtual bool doIsNumber() const NL_OVERRIDE;
@@ -325,6 +358,7 @@ protected:
 	virtual void inPlaceCopy(const CObjectNumber &src) NL_OVERRIDE;
 
 	virtual void visitInternal(IObjectVisitor &visitor) NL_OVERRIDE;
+#endif
 
 private:
 	bool m_IsInteger;