anchor.diff:  
     installTargets = [ "install-lib" ];
     installFlags = [ "LDCONF=true" ];
  +  # TODO: remove postInstall hook with v8.7 -> https://github.com/weidai11/cryptopp/commit/230c558a
     postInstall = lib.optionalString (!stdenv.hostPlatform.isDarwin) ''
       ln -sr $out/lib/libcryptopp.so.${version} $out/lib/libcryptopp.so.${lib.versions.majorMinor version}
       ln -sr $out/lib/libcryptopp.so.${version} $out/lib/libcryptopp.so.${lib.versions.major version}
     '';
   
  -  meta = {
  -    description = "Crypto++, a free C++ class library of cryptographic schemes";
  +  meta = with lib; {
  +    description = "A free C++ class library of cryptographic schemes";
       homepage = "https://cryptopp.com/";
  -    changelog = "https://raw.githubusercontent.com/weidai11/cryptopp/CRYPTOPP_${underscoredVersion}/History.txt";
  -    license = with lib.licenses; [ boost publicDomain ];
  -    platforms = lib.platforms.all;
  -    maintainers = with lib.maintainers; [ c0bw3b ];
  +    changelog = [
  +      "https://raw.githubusercontent.com/weidai11/cryptopp/CRYPTOPP_${underscoredVersion}/History.txt"
  +      "https://github.com/weidai11/cryptopp/releases/tag/CRYPTOPP_${underscoredVersion}"
  +    ];
  +    license = with licenses; [ boost publicDomain ];
  +    platforms = platforms.all;
  +    maintainers = with maintainers; [ c0bw3b ];
     };
   }
  
positive.code: 
    postPatch = ''
      substituteInPlace GNUmakefile \
        --replace "AR = libtool" "AR = ar" \
        --replace "ARFLAGS = -static -o" "ARFLAGS = -cru"
    '';
  
    makeFlags = [ "PREFIX=${placeholder "out"}" ];
    buildFlags =
         lib.optional enableStatic "static"
      ++ lib.optional enableShared "shared"
      ++ [ "libcryptopp.pc" ];
    enableParallelBuilding = true;
    hardeningDisable = [ "fortify" ];
  
    doCheck = true;
  
  
negative.code: { lib
  , stdenv
  , fetchFromGitHub
  , enableStatic ? stdenv.hostPlatform.isStatic
  , enableShared ? !enableStatic
  # Multi-threading with OpenMP is disabled by default
  # more info on https://www.cryptopp.com/wiki/OpenMP
  , withOpenMP ? false
  , llvmPackages
  }:
  
  stdenv.mkDerivation rec {
  