use zstd as default, xz makes me trouble with 6.6.x
tree3c466fffa98d3d8ac8137900b759d199466a84b0
-rw-r--r-- 1308 .gitignore
-rw-r--r-- 1026 .travis.yml
-rw-r--r-- 17987 COPYING
-rw-r--r-- 2968 Config.in
-rw-r--r-- 1273 LICENCE
-rw-r--r-- 743 Makefile
-rw-r--r-- 5652 Makefile.adk
-rw-r--r-- 917 README
-rw-r--r-- 766 THANKS
drwxr-xr-x - adk
drwxr-xr-x - docs
drwxr-xr-x - mk
drwxr-xr-x - package
-rw-r--r-- 5342 rules.mk
drwxr-xr-x - scripts
drwxr-xr-x - target
drwxr-xr-x - tasks
drwxr-xr-x - toolchain