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/lensfun/default.nix

@@ -0,0 +1,45 @@
+{ lib, stdenv, fetchFromGitHub, pkg-config, glib, zlib, libpng, cmake }:
+
+let
+  version = "0.3.95";
+  pname = "lensfun";
+
+  # Fetch a more recent version of the repo containing a more recent lens
+  # database
+  lensfunDatabase = fetchFromGitHub {
+    owner = "lensfun";
+    repo = "lensfun";
+    rev = "4672d765a17bfef7bc994ca7008cb717c61045d5";
+    sha256 = "00x35xhpn55j7f8qzakb6wl1ccbljg1gqjb93jl9w3mha2bzsr41";
+  };
+
+in
+stdenv.mkDerivation {
+  inherit pname version;
+
+  src = fetchFromGitHub {
+    owner = "lensfun";
+    repo = "lensfun";
+    rev = "v${version}";
+    sha256 = "0isli0arns8bmxqpbr1jnbnqh5wvspixdi51adm671f9ngng7x5r";
+  };
+
+  # replace database with a more recent snapshot
+  prePatch = ''
+    rm -R ./data/db
+    cp -R ${lensfunDatabase}/data/db ./data
+  '';
+
+  nativeBuildInputs = [ cmake pkg-config ];
+  buildInputs = [ glib zlib libpng ];
+
+  cmakeFlags = [ "-DINSTALL_HELPER_SCRIPTS=OFF" ];
+
+  meta = with lib; {
+    platforms = platforms.linux ++ platforms.darwin;
+    maintainers = with maintainers; [ flokli ];
+    license = lib.licenses.lgpl3;
+    description = "An opensource database of photographic lenses and their characteristics";
+    homepage = "https://lensfun.github.io";
+  };
+}