opkg-build was failing on hosts where tar < 1.28 and reproducibile builds
were enabled but it was doing this silently and generating corrupted
(empty) ipk files. Add a fix for this (submitted upstream).
The fix requires bash but if you're building ipk files this shoudn't be
a problem.
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org> Signed-off-by: Armin Kuster <akuster808@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
