Optimized header inclusion of swizzle operator code. Not included when not enabled

glm/core/_swizzle.hpp

@@ -29,8 +29,6 @@
 #ifndef glm_core_swizzle
 #define glm_core_swizzle
 
-#include "_swizzle_func.hpp"
-
 namespace glm
 {
 	enum comp

glm/core/type_vec1.hpp

@@ -31,7 +31,13 @@
 
 #include "../fwd.hpp"
 #include "type_vec.hpp"
-#include "_swizzle.hpp"
+#ifdef GLM_SWIZZLE
+#	if GLM_HAS_ANONYMOUS_UNION
+#		include "_swizzle.hpp"
+#	else
+#		include "_swizzle_func.hpp"
+#	endif
+#endif //GLM_SWIZZLE
 
 namespace glm{
 namespace detail

glm/core/type_vec2.hpp

@@ -31,7 +31,13 @@
 
 #include "../fwd.hpp"
 #include "type_vec.hpp"
-#include "_swizzle.hpp"
+#ifdef GLM_SWIZZLE
+#	if GLM_HAS_ANONYMOUS_UNION
+#		include "_swizzle.hpp"
+#	else
+#		include "_swizzle_func.hpp"
+#	endif
+#endif //GLM_SWIZZLE
 
 namespace glm{
 namespace detail

glm/core/type_vec3.hpp

@@ -31,7 +31,13 @@
 
 #include "../fwd.hpp"
 #include "type_vec.hpp"
-#include "_swizzle.hpp"
+#ifdef GLM_SWIZZLE
+#	if GLM_HAS_ANONYMOUS_UNION
+#		include "_swizzle.hpp"
+#	else
+#		include "_swizzle_func.hpp"
+#	endif
+#endif //GLM_SWIZZLE
 
 namespace glm{
 namespace detail

glm/core/type_vec4.hpp

@@ -31,7 +31,13 @@
 
 #include "../fwd.hpp"
 #include "type_vec.hpp"
-#include "_swizzle.hpp"
+#ifdef GLM_SWIZZLE
+#	if GLM_HAS_ANONYMOUS_UNION
+#		include "_swizzle.hpp"
+#	else
+#		include "_swizzle_func.hpp"
+#	endif
+#endif //GLM_SWIZZLE
 
 namespace glm{
 namespace detail