Staging 3rd generation multiple-architecture build and test instructionsEdit

mkdir matest
git submodule add https://github.com/xemul/criu.git
git submodule add https://github.com/google/protobut.git
git submodule add https://github.com/protobuf-c/protobuf-c.git
#qemu
#linux
#busybox
#python?