anchor.diff:    buildInputs = [
       kerberos
       libsodium
  -    openssl
  +    openssl_1-0-2
       zlib
     ];
   
  
positive.code:     "-DNACL_INCLUDE_DIR=${libsodium}/include"
    ];
  
    meta = with stdenv.lib; {
      description = "SSH client library";
      license = licenses.lgpl2Plus;
  
negative.code: , kerberos
  , libsodium
  , zlib
  , openssl_1-0-2
  }:
  
  stdenv.mkDerivation rec {
    name = "libssh-0.7.4";
  
    src = fetchurl {
      url = "https://red.libssh.org/attachments/download/210/libssh-0.7.4.tar.xz";
      multihash = "QmTEsR21paatQZKzTU2ttY86uZWhaJfETFvhMFecii2spK";
      hashOutput = false;
      sha256 = "39e1bec3b3cb452af3b8fd7f59c12c5ef5b9ed64f057c7eb0d1a5cac67ba6c0d";
    };
  
    nativeBuildInputs = [
  