The orignal had common code in the m4_1.4.16.bb file that was
in the m4.inc file. m4-native was then including the m4.bb file
and picking up the BBCLASSEXTEND, which causes the fetch to fail.
(From OE-Core rev: 4677da625f8ceb02c96f365bb948b8901bd694a4)
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>