anchor.diff:  { lib
   , stdenv
   , fetchFromGitHub
  -, pcre-cpp
  +, pcre2
   , sqlite
   , ncurses
   , readline
  
positive.code:     autoconf
      automake
      zlib
    ];
    buildInputs = [
      bzip2
      ncurses
      pcre-cpp
      readline
      sqlite
      curl
  
negative.code: 
  stdenv.mkDerivation rec {
    pname = "lnav";
    version = "0.11.1";
  
    src = fetchFromGitHub {
      owner = "tstack";
      repo = "lnav";
      rev = "v${version}";
      sha256 = "sha256-W0NXmdbrarSmLOLpl9bt9kYjjDBtejGgh0QYeGFVMNQ=";
    };
  
    patches = [ ./0001-Forcefully-disable-docs-build.patch ];
  