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/libraries/libmypaint/default.nix

@@ -0,0 +1,55 @@
+{ lib, stdenv
+, autoconf
+, automake
+, fetchFromGitHub
+, glib
+, intltool
+, json_c
+, libtool
+, pkg-config
+, python3
+}:
+
+stdenv.mkDerivation rec {
+  pname = "libmypaint";
+  version = "1.6.1";
+
+  outputs = [ "out" "dev" ];
+
+  src = fetchFromGitHub {
+    owner = "mypaint";
+    repo = "libmypaint";
+    rev = "v${version}";
+    sha256 = "1ppgpmnhph9h8ayx9776f79a0bxbdszfw9c6bw7c3ffy2yk40178";
+  };
+
+  nativeBuildInputs = [
+    autoconf
+    automake
+    intltool
+    libtool
+    pkg-config
+    python3
+  ];
+
+  buildInputs = [
+    glib
+  ];
+
+  # for libmypaint.pc
+  propagatedBuildInputs = [
+    json_c
+  ];
+
+  doCheck = true;
+
+  preConfigure = "./autogen.sh";
+
+  meta = with lib; {
+    homepage = "http://mypaint.org/";
+    description = "Library for making brushstrokes which is used by MyPaint and other projects";
+    license = licenses.isc;
+    maintainers = with maintainers; [ goibhniu jtojnar ];
+    platforms = platforms.unix;
+  };
+}