@@ -1781,11 +1781,11 @@
 
 	old_OBJCFLAGS="$OBJCFLAGS"
 	OBJCFLAGS="$OBJCFLAGS -Wdocumentation"
 	AC_MSG_CHECKING(whether -Wdocumentation works correctly)
 	AC_TRY_COMPILE([
-		/*!
+		/**
 		 * @class Test conftest.m conftest.m
 		 */
 		#ifdef __has_attribute
 		# if __has_attribute(objc_root_class)
 		__attribute__((__objc_root_class__))