{ lib
, buildPythonPackage
, fetchPypi
, stdenv
, libcxx
, cppy
, setuptools-scm
, pythonOlder
}:

buildPythonPackage rec {
  pname = "kiwisolver";
  version = "1.4.4";
  format = "setuptools";

  disabled = pythonOlder "3.7";

  src = fetchPypi {
    inherit pname version;
    hash = "sha256-1BmXUZ/LpKHkbrSi/jG8EvD/lXsrgbrCjbJHRPMz6VU=";
  };

  env.NIX_CFLAGS_COMPILE = lib.optionalString stdenv.isDarwin "-I${lib.getDev libcxx}/include/c++/v1";

  nativeBuildInputs = [
    setuptools-scm
  ];

  buildInputs = [
    cppy
  ];

  pythonImportsCheck = [
    "kiwisolver"
  ];

  meta = with lib; {
    description = "Implementation of the Cassowary constraint solver";
    homepage = "https://github.com/nucleic/kiwi";
    license = licenses.bsd3;
    maintainers = with maintainers; [ ];
  };
}