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/gmime/2.nix

@@ -0,0 +1,38 @@
+{ lib, stdenv, fetchurl, pkg-config, glib, zlib, gnupg, libgpg-error, gobject-introspection }:
+
+stdenv.mkDerivation rec {
+  version = "2.6.23";
+  pname = "gmime";
+
+  src = fetchurl {
+    url = "mirror://gnome/sources/gmime/2.6/${pname}-${version}.tar.xz";
+    sha256 = "0slzlzcr3h8jikpz5a5amqd0csqh2m40gdk910ws2hnaf5m6hjbi";
+  };
+
+  outputs = [ "out" "dev" ];
+
+  nativeBuildInputs = [ pkg-config gobject-introspection ];
+  propagatedBuildInputs = [ glib zlib libgpg-error ];
+  configureFlags = [ "--enable-introspection=yes" ];
+
+  postPatch = ''
+    substituteInPlace tests/testsuite.c \
+      --replace /bin/rm rm \
+      --replace /bin/mkdir mkdir
+
+    substituteInPlace tests/test-pkcs7.c \
+      --replace /bin/mkdir mkdir
+  '';
+
+  checkInputs = [ gnupg ];
+
+  enableParallelBuilding = true;
+
+  meta = with lib; {
+    homepage = "https://github.com/jstedfast/gmime/";
+    description = "A C/C++ library for creating, editing and parsing MIME messages and structures";
+    license = licenses.lgpl21Plus;
+    maintainers = with maintainers; [ ];
+    platforms = platforms.unix;
+  };
+}