Fixed build with GCC 4.7 C++11

glm/gtx/io.inl

@@ -187,7 +187,7 @@ namespace detail
       if (cerberus) {
         tmat2x2<T,P> m(a);
 
-        if (io::format_guard::order_t::row_major == io::order()) {
+        if (io::format_guard::row_major == io::order()) {
           m = transpose(a);
         }
         

glm/gtx/simd_mat4.hpp

@@ -69,7 +69,7 @@ namespace detail
 		typedef fmat4x4SIMD type;
 		typedef fmat4x4SIMD transpose_type;
 
-		GLM_FUNC_DECL GLM_CONSTEXPR length_t length() const;
+		GLM_FUNC_DECL length_t length() const;
 
 		fvec4SIMD Data[4];
 

glm/gtx/simd_mat4.inl

@@ -10,11 +10,37 @@
 namespace glm{
 namespace detail{
 
-GLM_FUNC_QUALIFIER GLM_CONSTEXPR length_t fmat4x4SIMD::length() const
+GLM_FUNC_QUALIFIER length_t fmat4x4SIMD::length() const
 {
 	return 4;
 }
 
+//////////////////////////////////////
+// Accesses
+
+GLM_FUNC_QUALIFIER fvec4SIMD & fmat4x4SIMD::operator[]
+(
+	length_t i
+)
+{
+	assert(i < this->length());
+
+	return this->Data[i];
+}
+
+GLM_FUNC_QUALIFIER fvec4SIMD const & fmat4x4SIMD::operator[]
+(
+	length_t i
+) const
+{
+	assert(i < this->length());
+
+	return this->Data[i];
+}
+
+//////////////////////////////////////////////////////////////
+// Constructors
+
 GLM_FUNC_QUALIFIER fmat4x4SIMD::fmat4x4SIMD()
 {
 #ifndef GLM_SIMD_ENABLE_DEFAULT_INIT
@@ -83,29 +109,6 @@ GLM_FUNC_QUALIFIER fmat4x4SIMD::fmat4x4SIMD
 	this->Data[3] = in[3];
 }
 
-//////////////////////////////////////
-// Accesses
-
-GLM_FUNC_QUALIFIER fvec4SIMD & fmat4x4SIMD::operator[]
-(
-	length_t i
-)
-{
-	assert(i < this->length());
-
-	return this->Data[i];
-}
-
-GLM_FUNC_QUALIFIER fvec4SIMD const & fmat4x4SIMD::operator[]
-(
-	length_t i
-) const
-{
-	assert(i < this->length());
-
-	return this->Data[i];
-}
-
 //////////////////////////////////////////////////////////////
 // mat4 operators