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/nvidia-texture-tools/default.nix

@@ -0,0 +1,47 @@
+{ lib, stdenv, fetchFromGitHub, cmake, fetchpatch }:
+
+stdenv.mkDerivation rec {
+  pname = "nvidia-texture-tools";
+  version = "unstable-2019-10-27";
+
+  src = fetchFromGitHub {
+    owner = "castano";
+    repo = "nvidia-texture-tools";
+    rev = "a131e4c6b0b7c9c73ccc3c9e6f1c7e165be86bcc";
+    sha256 = "1qzyr3ib5dpxyq1y33lq02qv4cww075sm9bm4f651d34q5x38sk3";
+  };
+
+  patches = [
+    (fetchpatch {
+      url = "https://github.com/castano/nvidia-texture-tools/commit/6474f2593428d89ec152da2502aa136ababe66ca.patch";
+      sha256 = "0akbkvm55hiv58jx71h9hj173rbnqlb5a430y9azjiix7zga42vd";
+    })
+  ];
+
+  nativeBuildInputs = [ cmake ];
+
+  outputs = [ "out" "dev" "lib" ];
+
+  postPatch = ''
+    # Make a recently added pure virtual function just virtual,
+    # to keep compatibility.
+    sed -i 's/virtual void endImage() = 0;/virtual void endImage() {}/' src/nvtt/nvtt.h
+  '';
+
+  cmakeFlags = [
+    "-DNVTT_SHARED=TRUE"
+  ];
+
+  postInstall = ''
+    moveToOutput include "$dev"
+    moveToOutput lib "$lib"
+  '';
+
+  meta = with lib; {
+    description = "A set of cuda-enabled texture tools and compressors";
+    homepage = "https://github.com/castano/nvidia-texture-tools";
+    license = licenses.mit;
+    platforms = platforms.unix;
+    broken = stdenv.isAarch64;
+  };
+}