`components`, `cols`, `rows` are no longer defined as members of anonymous enums and are now instead static integral constants of type `glm::length_t` (this appears to be current approach).

glm/gtx/type_trait.hpp

@@ -47,10 +47,7 @@ namespace glm
 		static bool const is_vec = true;
 		static bool const is_mat = false;
 		static bool const is_quat = false;
-		enum
-		{
-			components = L
-		};
+		static length_t const components = L;
 	};
 
 	template<length_t C, length_t R, typename T, qualifier Q>
@@ -70,10 +67,7 @@ namespace glm
 		static bool const is_vec = false;
 		static bool const is_mat = false;
 		static bool const is_quat = true;
-		enum
-		{
-			components = 4
-		};
+		static length_t const components = 4;
 	};
 
 	template<typename T, qualifier Q>
@@ -82,10 +76,7 @@ namespace glm
 		static bool const is_vec = false;
 		static bool const is_mat = false;
 		static bool const is_quat = true;
-		enum
-		{
-			components = 8
-		};
+		static length_t const components = 8;
 	};
 
 	/// @}