reproduce (this is a W=1 build):
        # https://github.com/alobakin/linux/commit/af9cc6ecff6613cff532105f6627b2e162bc4541
        git remote add alobakin https://github.com/alobakin/linux
        git fetch --no-tags alobakin idpf-libie
        git checkout af9cc6ecff6613cff532105f6627b2e162bc4541
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=i386 olddefconfig
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash