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/guile-modules/guile-sdl/default.nix

@@ -0,0 +1,50 @@
+{ lib
+, stdenv
+, fetchurl
+, SDL
+, SDL_image
+, SDL_mixer
+, SDL_ttf
+, buildEnv
+, guile
+, pkg-config
+}:
+
+stdenv.mkDerivation rec {
+  pname = "guile-sdl";
+  version = "0.5.2";
+
+  src = fetchurl {
+    url = "mirror://gnu/${pname}/${pname}-${version}.tar.xz";
+    hash = "sha256-ATx1bnnDlj69h6ZUy7wd2lVsuDGS424sFCIlJQLQTzI=";
+  };
+
+  nativeBuildInputs = [
+    guile
+    pkg-config
+  ];
+  buildInputs = [
+    (lib.getDev SDL)
+    SDL_image
+    SDL_mixer
+    SDL_ttf
+  ];
+
+  makeFlags = let
+    sdl-env = buildEnv {
+      name = "sdl-env";
+      paths = buildInputs;
+    };
+  in [
+    "GUILE_AUTO_COMPILE=0"
+    "SDLMINUSI=-I${sdl-env}/include/SDL"
+  ];
+
+  meta = with lib; {
+    homepage = "https://www.gnu.org/software/guile-sdl/";
+    description = "Guile bindings for SDL";
+    license = licenses.gpl3Plus;
+    maintainers = with maintainers; [ vyp ];
+    platforms = platforms.linux;
+  };
+}