pythonPackages.pyudev: Allow to install on darwin

pkgs/development/python-modules/pyudev/default.nix

···
-{ lib, fetchPypi, buildPythonPackage
-, six, udev, pytest, mock, hypothesis, docutils
+{ lib
+, fetchPypi
+, buildPythonPackage
+, six
+, udev
+, pytest
+, mock
+, hypothesis
+, docutils
+, stdenvNoCC
 }:
 
 buildPythonPackage rec {
···
     hash = "sha256-deVNNyGPWsRbDaHw/ZzF5SajysPvHPrUEM96sziwFHE=";
   };
 
-  postPatch = ''
+  postPatch = lib.optionalString stdenvNoCC.isLinux ''
     substituteInPlace src/pyudev/_ctypeslib/utils.py \
       --replace "find_library(name)" "'${lib.getLib udev}/lib/libudev.so'"
     '';
···
   # https://github.com/pyudev/pyudev/issues/187
   doCheck = false;
 
-  meta = {
+  meta = with lib; {
     homepage = "https://pyudev.readthedocs.org/";
     description = "Pure Python libudev binding";
-    license = lib.licenses.lgpl21Plus;
+    license = licenses.lgpl21Plus;
+    maintainers = with maintainers; [ frogamic ];
   };
 }