anchor.diff:    '' + optionalString isDarwin ''
       sed -i '/qemucapabilitiestest/d' tests/meson.build
       sed -i '/vircryptotest/d' tests/meson.build
  +    sed -i '/domaincapstest/d' tests/meson.build
  +    sed -i '/qemufirmwaretest/d' tests/meson.build
  +    sed -i '/qemuvhostusertest/d' tests/meson.build
     '' + optionalString (isDarwin && isx86_64) ''
       sed -i '/qemucaps2xmltest/d' tests/meson.build
       sed -i '/qemuhotplugtest/d' tests/meson.build
  
positive.code:       (cfg "runstatedir" "/run")
  
        (cfg "init_script" (if isDarwin then "none" else "systemd"))
  
        (feat "apparmor" isLinux)
        (feat "attr" isLinux)
  
negative.code:   # Darwin
  , gmp
  , libiconv
  , qemu
  , Carbon
  , AppKit
  
  