spf_template gnu &&
spf_url home  'http://tukaani.org/xz/' &&
spf_url watch 'http://tukaani.org/xz/' &&
spf_url src   "http://tukaani.org/xz/xz-${spf_version?}.tar.gz" &&
spf_cc_ nls &&
spf_tested_version 5.0.2 &&
spf_tested_version 5.0.1 &&
spf_tested_version 5.0.0 &&
spf_tested_version 4.999.9beta-212-gacbc &&
spf_tested_version 4.999.9beta-143-g3e49 &&
spf_tested_version 4.999.9beta