{ lib, stdenv, fetchFromGitHub, cmake, octave ? null, libiconv }:

stdenv.mkDerivation rec {
  pname = "nlopt";
  version = "2.7.1";

  src = fetchFromGitHub {
    owner = "stevengj";
    repo = pname;
    rev = "v${version}";
    sha256 = "sha256-TgieCX7yUdTAEblzXY/gCN0r6F9TVDh4RdNDjQdXZ1o=";
  };

  nativeBuildInputs = [ cmake ] ++ lib.optionals stdenv.isDarwin [ libiconv ];
  buildInputs = [ octave ];

  configureFlags = [
    "--with-cxx"
    "--enable-shared"
    "--with-pic"
    "--without-guile"
    "--without-python"
    "--without-matlab"
  ] ++ lib.optionals (octave != null) [
    "--with-octave"
    "M_INSTALL_DIR=$(out)/${octave.sitePath}/m"
    "OCT_INSTALL_DIR=$(out)/${octave.sitePath}/oct"
  ];

  postFixup = ''
    substituteInPlace $out/lib/cmake/nlopt/NLoptLibraryDepends.cmake --replace \
      'INTERFACE_INCLUDE_DIRECTORIES "''${_IMPORT_PREFIX}/' 'INTERFACE_INCLUDE_DIRECTORIES "'
  '';

  meta = {
    homepage = "https://nlopt.readthedocs.io/en/latest/";
    description = "Free open-source library for nonlinear optimization";
    license = lib.licenses.lgpl21Plus;
    hydraPlatforms = lib.platforms.linux;
  };

}