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/libdynd/default.nix

@@ -0,0 +1,39 @@
+{ lib, stdenv, fetchFromGitHub, cmake }:
+
+stdenv.mkDerivation rec {
+  pname = "libdynd";
+  version = "0.7.2";
+
+  src = fetchFromGitHub {
+    owner = "libdynd";
+    repo = "libdynd";
+    rev = "v${version}";
+    sha256 = "0fkd5rawqni1cq51fmr76iw7ll4fmbahfwv4rglnsabbkylf73pr";
+  };
+
+  cmakeFlags = [
+    "-DDYND_BUILD_BENCHMARKS=OFF"
+  ];
+
+  # added to fix build with gcc7+
+  NIX_CFLAGS_COMPILE = builtins.toString [
+    "-Wno-error=implicit-fallthrough"
+    "-Wno-error=nonnull"
+    "-Wno-error=tautological-compare"
+    "-Wno-error=class-memaccess"
+    "-Wno-error=parentheses"
+    "-Wno-error=deprecated-copy"
+  ];
+
+  nativeBuildInputs = [ cmake ];
+
+  outputs = [ "out" "dev" ];
+  outputDoc = "dev";
+
+  meta = with lib; {
+    description = "C++ dynamic ndarray library, with Python exposure";
+    homepage = "http://libdynd.org";
+    license = licenses.bsd2;
+    platforms = platforms.linux;
+  };
+}