anchor.diff:  , iputils
   , kmod
   , jansson
  +, elfutils
   , gtk-doc
   , libxslt
   , docbook_xsl
  
positive.code:     mobile-broadband-provider-info
      bluez5
      dnsmasq
      gobject-introspection
      modemmanager
      readline
      newt
      libsoup
      jansson
    ];
  
    propagatedBuildInputs = [ gnutls libgcrypt ];
  
negative.code:   postPatch = ''
      patchShebangs ./tools
      patchShebangs libnm/generate-setting-docs.py
  
      # TODO: submit upstream
      substituteInPlace meson.build \
        --replace "'vala', req" "'vala', native: false, req"
    '';
  
    preBuild = ''
  