libtool: make sure autoheader run before autoconf
autoheader will update ../libtool-2.4.6/libltdl/config-h.in which
autoconf needs, so there comes a race sometimes as below:
| configure.ac:45: error: required file 'config-h.in' not found
| touch '../libtool-2.4.6/libltdl/config-h.in'
So make sure autoheader run before autoconf to avoid this race.
Signed-off-by: Mingli Yu <mingli.yu@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit
d8451cbef5906b67756582fdfc44eb01ed3512fc)
Signed-off-by: Steve Sakoman <steve@sakoman.com>
