====================================================
-The files under src/external/autoconf-archive/m4/ are covered by the following
-license:
+The file src/cf/ax_gcc_func_attribute.m4 and the files under
+src/external/autoconf-archive/m4/ are covered by the following license:
Copyright (c) 2008 Guido U. Draheim <guidod@gmx.de>
Copyright (c) 2011 Maarten Bosmans <mkbosmans@gmail.com>