--- a/src/cx/common.h	Tue Feb 15 19:07:14 2022 +0100
+++ b/src/cx/common.h	Tue Feb 15 19:41:48 2022 +0100
@@ -114,6 +114,9 @@
 #endif /* _WIN32 */
 
 #ifndef __GNUC__
+/**
+ * Removes GNU C attributes where they are not supported.
+ */
 #define __attribute__(x)
 #endif