more [[gnu::...]] attributes

src/neighbor/Glue.hxx

@@ -20,7 +20,6 @@
 #ifndef MPD_NEIGHBOR_ALL_HXX
 #define MPD_NEIGHBOR_ALL_HXX
 
-#include "util/Compiler.h"
 #include "thread/Mutex.hxx"
 
 #include <forward_list>
@@ -74,7 +73,7 @@ public:
 	 * Get the combined list of all neighbors from all active
 	 * plugins.
 	 */
-	gcc_pure
+	[[gnu::pure]]
 	List GetList() const noexcept;
 };
 

src/neighbor/Registry.hxx

@@ -20,8 +20,6 @@
 #ifndef MPD_NEIGHBOR_REGISTRY_HXX
 #define MPD_NEIGHBOR_REGISTRY_HXX
 
-#include "util/Compiler.h"
-
 struct NeighborPlugin;
 
 /**
@@ -30,7 +28,7 @@ struct NeighborPlugin;
  */
 extern const NeighborPlugin *const neighbor_plugins[];
 
-gcc_pure
+[[gnu::pure]]
 const NeighborPlugin *
 GetNeighborPluginByName(const char *name) noexcept;