{
  description = "Test";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs";
  };

  outputs = { self, nixpkgs }: {
    defaultPackage.x86_64-linux = with import nixpkgs {
      system = "x86_64-linux";
    }; stdenv.mkDerivation rec {
      name = "coolterm";
      version = "2.1.1";

      src = pkgs.fetchzip {
        url = "https://freeware.the-meiers.org/previous/CoolTermLinux64Bit211.zip";
        sha256 = "sha256-ly01SivP0gghEfNT1SvexOB5Zumo/cwiNtkirkG+ncU=";
      };

      nativeBuildInputs = [
        autoPatchelfHook
      ];

      buildInputs = [
        libgcc
        cairo
        gtk3
        libunwind
      ];

      sourceRoot = ".";

      installPhase = ''
        runHook preInstall

        mkdir -p $out/opt/
        cp -r ./source/* $out/opt/

        for i in `ls -1 "./source/CoolTerm Libs/"`; do
          install -m755 -D "./source/CoolTerm Libs/$i" $out/lib/$i
        done
        install -m755 -D "./source/CoolTerm" $out/bin/CoolTerm

        runHook postInstall
      '';

      meta = with lib; {
        homepage = "https://freeware.the-meiers.org/";
        description = "CoolTerm";
        platforms = platforms.linux;
      };
    };
  };
}