aclocal is being called here directly,
not called by autotools.bbclass wrapper.
aclocal files are installed in sysroot,
and are removed while build is still running.
This translates to a possible race condition during the build.
Fixes [YOCTO #4358].
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org> Signed-off-by: Cristian Iorga <cristian.iorga@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
