anchor.diff:    ];
   
     nativeBuildInputs = [
  +    asciidoc
  +    docbook_xml_dtd_45
  +    docbook_xsl
       gettext
  +    libxslt
       makeWrapper
  +    xmlto
     ];
   
     buildInputs = [
  
positive.code:     "sysconfdir=/etc"
    ];
  
    # Parallel building fails with make 4.2 (git-2.8.3)
    parallelBuild = false;
  
    passthru = {
      srcVerification = fetchurl rec {
  
negative.code: { stdenv
  , asciidoc
  , docbook_xml_dtd_45
  , docbook_xsl
  , fetchurl
  , gettext
  , libxslt
  , makeWrapper
  , xmlto
  
  , coreutils
  , cpio
  