self: super: rec {
  ldc = super.ldc.overrideAttrs(oldAttrs: rec {
    pname   = "ldc";
    version = "1.24.0";
    sha256  = "0g5svf55i0kq55q49awmwqj9qi1n907cyrn1vjdjgs8nx6nn35gx";
    name = "${pname}-${version}";
    src = super.fetchurl {
      url = "https://github.com/ldc-developers/ldc/releases/download/v${version}/ldc-${version}-src.tar.gz";
      sha256 = sha256;
    };
    postUnpack = ''
      patchShebangs .
    '';
  });
}