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

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

* 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>

on some platforms this is needed for gcc to link libssp

Signed-off-by: Steven Barth <steven@midlink.org>

SVN-Revision: 46030

Make sure that libtool and libtoolize call grep relative to
$STAGING_DIR as well.

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

SVN-Revision: 43960

Also fix 000-relocatable.patch to avoid accidential sed invocations in bootstrap.

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

SVN-Revision: 43959

SVN-Revision: 33429

SVN-Revision: 29839

SVN-Revision: 29826

SVN-Revision: 29754

autotools.mk: implement PKG_FIXUP:=patch-libtool This change allows to apply OpenWrt, Buildroot and OE libtool fixes to packages which fail badly at autoreconf. The fixup covers the common libtool versions 1.5, 2.2 and 2.4 and automatically determines the correct version to use.

SVN-Revision: 27855

SVN-Revision: 25351

libtool: extend all ltmain.m4sh patches to cover ltmain.sh as well, prevent configure from embedding host library paths

SVN-Revision: 24752

libtool: strip unsave directories from relink command, nuke every -L that looks like /usr/lib or /lib

SVN-Revision: 24741

SVN-Revision: 24673

SVN-Revision: 9937

SVN-Revision: 9902