anchor.diff:            inherit sha256;
           };
   
  -        nativeBuildInputs = [ makeWrapper pkg-config ];
  +        nativeBuildInputs = [ pkg-config ];
   
           buildInputs = [ lzo openssl ]
             ++ optional stdenv.isLinux pam
  
positive.code:         ++ optional pkcs11Support "--enable-pkcs11"
          ++ optional stdenv.isDarwin "--disable-plugin-auth-pam";
  
          postInstall = ''
            mkdir -p $out/share/doc/openvpn/examples
            cp -r sample/sample-config-files/ $out/share/doc/openvpn/examples
            cp -r sample/sample-keys/ $out/share/doc/openvpn/examples
            cp -r sample/sample-scripts/ $out/share/doc/openvpn/examples
          '' + optionalString useSystemd ''
            install -Dm555 ${update-resolved} $out/libexec/update-systemd-resolved
            wrapProgram $out/libexec/update-systemd-resolved \
              --prefix PATH : ${makeBinPath [ runtimeShell iproute2 systemd util-linux ]}
          '';
  
          enableParallelBuilding = true;
  
negative.code:           description = "A robust and highly flexible tunneling application";
            downloadPage = "https://openvpn.net/community-downloads/";
            homepage = "https://openvpn.net/";
            license = licenses.gpl2Only;
            maintainers = with maintainers; [ viric peterhoeg ];
            platforms = platforms.unix;
          };
  