The CONTRIBUTING.md requests an (or multiple) SPDX identifier for GPL
licenses. But a lot of packages did use a different, non-SPDX style with a
"+" at the end instead of "-or-later".
Signed-off-by: Sven Eckelmann <sven@narfation.org>
(cherry-picked from bbb1ea7345)
Added patch to fix some glibc-isms.
Added PKG_BUILD_PARALLEL for faster compilation.
Rearranged slightly for consistency between packages.
Signed-off-by: Rosen Penev <rosenp@gmail.com>
