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>

The libelf1 source package has been renamed to libelf in OpenWrt base,
adjust the dependency in "at" accordingly.

There are no functional changes and no changes in the resulting binary.

Signed-off-by: Jo-Philipp Wich <jo@mein.io>

Signed-off-by: Phil Eichinger <phil@zankapfel.net>

Signed-off-by: Phil Eichinger <phil@zankapfel.net>

fix Makefile chmod (644)
replace MD5SUM with HASH
add PKG_MIRROR_HASH when PKG_SOURCE_PROTO:=git

(PKG_SOURCE_PROTO:=svn tarballs are not reproducible for now)

Signed-off-by: Etienne Champetier <champetier.etienne@gmail.com>

also increase PKG_RELEASE

Signed-off-by: Phil Eichinger <phil@zankapfel.net>

* import from oldpackages
* version bump, update hash
* add PKG_LICENSE and PKG_LICENSE_FILES
* update patches

Signed-off-by: Phil Eichinger <phil@zankapfel.net>