anchor.diff:      "-Wno-error=cpp"
       "-Wno-error=bool-compare"
       "-Wno-error=deprecated-declarations"
  -    "-DOBJDUMP_PATH=\"${binutils}/bin/objdump\""
       "-Wno-error=stringop-truncation"
     ];
   
  
positive.code:   installFlags = [ "install" "install-man" "ASCIIDOC8=1" "prefix=$(out)" ];
  
    preFixup = ''
      wrapProgram $out/bin/perf \
        --prefix PATH : "${binutils}/bin"
    '';
  
    meta = {
  
negative.code: { lib, stdenv, kernel, elfutils, python2, python3, perl, newt, slang, asciidoc, xmlto, makeWrapper
  , docbook_xsl, docbook_xml_dtd_45, libxslt, flex, bison, pkg-config, libunwind, binutils-unwrapped
  , libiberty, audit, libbfd, libopcodes, openssl, systemtap, numactl
  , zlib
  , withGtk ? false, gtk2
  