uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

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

@@ -0,0 +1,47 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, setuptools
+, libvlc
+, substituteAll
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  pname = "python-vlc";
+  version = "3.0.16120";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.7";
+
+  src = fetchPypi {
+    inherit pname version;
+    hash = "sha256-kvmP7giPcr1tBjs7MxLQvSmzfnrWXd6zpzAzIDAMKAc=";
+  };
+
+  patches = [
+    # Patch path for VLC
+    (substituteAll {
+      src = ./vlc-paths.patch;
+      libvlcPath="${libvlc}/lib/libvlc.so.5";
+    })
+  ];
+
+  propagatedBuildInputs = [
+    setuptools
+  ];
+
+  # Module has no tests
+  doCheck = false;
+
+  pythonImportsCheck = [
+    "vlc"
+  ];
+
+  meta = with lib; {
+    description = "Python bindings for VLC, the cross-platform multimedia player and framework";
+    homepage = "https://wiki.videolan.org/PythonBinding";
+    license = licenses.lgpl21Plus;
+    maintainers = with maintainers; [ tbenst ];
+  };
+}

pkgs/development/python-modules/python-vlc/vlc-paths.patch

@@ -0,0 +1,13 @@
+diff --git a/vlc.py b/vlc.py
+index e3245a5..cebec09 100644
+--- a/vlc.py
++++ b/vlc.py
+@@ -190,7 +190,7 @@ def find_lib():
+ 
+     else:
+         # All other OSes (linux, freebsd...)
+-        p = find_library('vlc')
++        p = "@libvlcPath@"
+         try:
+             dll = ctypes.CDLL(p)
+         except OSError:  # may fail