THIS SOFTWARE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED
WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+
+====================================================
+
+The file src/cf/ax_gcc_func_attribute.m4 covered by
+the following license:
+
+ Copyright (c) 2013 Gabriele Svelto <gabriele.svelto@gmail.com>
+
+ Copying and distribution of this file, with or without modification, are
+ permitted in any medium without royalty provided the copyright notice
+ and this notice are preserved. This file is offered as-is, without any
+ warranty.