Update xz to 5.2.3

Signed-off-by: Daniel Engberg <daniel.engberg.lists@pyret.net>

Replace *MD5SUM with *HASH, replace MD5 hashes with SHA256

Signed-off-by: Felix Fietkau <nbd@nbd.name>

Since XZ is required to bootstrap ccache we must not use the ccache compiler
wrapper to avoid circular dependencies.

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

In order to build XZ itself we cannot assume that XZ support is available,
so fetch the bz2 archive variant of its sources instead.

Also drop the FreeBSD portability patch and apply it at prepare time using
sed, to avoid a dependency on GNU patch which in turn depends on XZ support.

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

* Change git packages to xz
* Update mirror checksums in packages where they are used
* Change a few source tarballs to xz if available upstream
* Remove unused lines in packages we're touching, requested by jow- and blogic
* We're relying more on xz-utils so add official mirror as primary source, master site as secondary.
* Add SHA256 checksums to multiple git tarball packages

Signed-off-by: Daniel Engberg <daniel.engberg.lists@pyret.net>

Update xz to version 5.2.2.
Add a secondary download location.

Signed-off-by: Hannu Nyman <hannu.nyman@iki.fi>

SVN-Revision: 47298

Force a static build of the xz utilities in order to avoid the dependency on a
shared liblzma.so which might collide with the distro version.

Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>

SVN-Revision: 46907

This adds support for symbol versioning which is needed on
CentOs/RedHat 7 to fix #20134.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

SVN-Revision: 46603

Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>

SVN-Revision: 44285

Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>

SVN-Revision: 44278

Signed-off-by: Luka Perkov <luka@openwrt.org>

SVN-Revision: 37797

build: add the + token to any commands that can pass through the jobserver, fixes parallel build on some systems

SVN-Revision: 33523

SVN-Revision: 33431

Signed-off-by: Jonh Wendell <jonh.wendell@gmail.com>

SVN-Revision: 33146

SVN-Revision: 33140

SVN-Revision: 33111

Signed-off-by: Luka Perkov <openwrt@lukaperkov.net>

SVN-Revision: 31172

SVN-Revision: 26438

SVN-Revision: 26018

SVN-Revision: 25847

SVN-Revision: 24499

SVN-Revision: 24481