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/ocaml-modules/tsdl/default.nix

@@ -0,0 +1,42 @@
+{ lib, stdenv, fetchurl, ocaml, findlib, ocamlbuild, topkg, ctypes, result, SDL2, pkg-config, ocb-stubblr }:
+
+if lib.versionOlder ocaml.version "4.03"
+then throw "tsdl is not available for OCaml ${ocaml.version}"
+else
+
+let
+  pname = "tsdl";
+  version = "0.9.8";
+  webpage = "https://erratique.ch/software/${pname}";
+in
+
+stdenv.mkDerivation {
+  name = "ocaml${ocaml.version}-${pname}-${version}";
+
+  src = fetchurl {
+    url = "${webpage}/releases/${pname}-${version}.tbz";
+    sha256 = "sha256-zjXz2++42FHmbE0nIDeryNQeX+avGwh9rwAs8O0pZYU=";
+  };
+
+  nativeBuildInputs = [ pkg-config ocaml findlib ocamlbuild topkg ];
+  buildInputs = [ topkg ];
+  propagatedBuildInputs = [ SDL2 ctypes ];
+
+  preConfigure = ''
+    # The following is done to avoid an additional dependency (ncurses)
+    # due to linking in the custom bytecode runtime. Instead, just
+    # compile directly into a native binary, even if it's just a
+    # temporary build product.
+    substituteInPlace myocamlbuild.ml \
+      --replace ".byte" ".native"
+  '';
+
+  inherit (topkg) buildPhase installPhase;
+
+  meta = with lib; {
+    homepage = webpage;
+    description = "Thin bindings to the cross-platform SDL library";
+    license = licenses.isc;
+    inherit (ocaml.meta) platforms;
+  };
+}