pythonPackages.pyscard: Fix build on Darwin

The previously provided patch is still necessary,
as nix python reports an old version of macOS
that has the bug, when in fact modern macOS
does not have the misspelling.

The patch has been upstreamed, so we take it
to fix 1.9.9 in anticipation of the next release.

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

@@ -1,4 +1,4 @@
-{ stdenv, fetchPypi, buildPythonPackage, swig, pcsclite, PCSC }:
+{ stdenv, fetchPypi, fetchpatch, buildPythonPackage, swig, pcsclite, PCSC }:
 
 let
   # Package does not support configuring the pcsc library.
@@ -30,6 +30,21 @@ buildPythonPackage rec {
   NIX_CFLAGS_COMPILE = optionalString (! withApplePCSC)
     "-I ${getDev pcsclite}/include/PCSC";
 
+  # The error message differs depending on the macOS host version.
+  # Since Nix reports a constant host version, but proxies to the
+  # underlying library, it's not possible to determine the correct
+  # expected error message.  This patch allows both errors to be
+  # accepted.
+  # See: https://github.com/LudovicRousseau/pyscard/issues/77
+  # Building with python from nix on macOS version 10.13 or
+  # greater still causes this issue to occur.
+  patches = optionals withApplePCSC [
+    (fetchpatch {
+      url = "https://github.com/LudovicRousseau/pyscard/commit/945e9c4cd4036155691f6ce9706a84283206f2ef.patch";
+      sha256 = "19n8w1wzn85zywr6xf04d8nfg7sgzjyvxp1ccp3rgfr4mcc36plc";
+    })
+  ];
+
   propagatedBuildInputs = if withApplePCSC then [ PCSC ] else [ pcsclite ];
   nativeBuildInputs = [ swig ];