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/neon/default.nix

@@ -0,0 +1,47 @@
+{ lib, stdenv, fetchurl, libxml2, pkg-config
+, compressionSupport ? true, zlib ? null
+, sslSupport ? true, openssl ? null
+, static ? stdenv.hostPlatform.isStatic
+, shared ? !stdenv.hostPlatform.isStatic
+}:
+
+assert compressionSupport -> zlib != null;
+assert sslSupport -> openssl != null;
+assert static || shared;
+
+let
+   inherit (lib) optionals;
+in
+
+stdenv.mkDerivation rec {
+  version = "0.32.2";
+  pname = "neon";
+
+  src = fetchurl {
+    url = "https://notroj.github.io/${pname}/${pname}-${version}.tar.gz";
+    sha256 = "sha256-mGVmRoxilfxdD7FBpZgeMcn4LuOOk4N0q+2Ece8vsoY=";
+  };
+
+  patches = optionals stdenv.isDarwin [ ./darwin-fix-configure.patch ];
+
+  nativeBuildInputs = [ pkg-config ];
+  buildInputs = [libxml2 openssl]
+    ++ lib.optional compressionSupport zlib;
+
+  configureFlags = [
+    (lib.enableFeature shared "shared")
+    (lib.enableFeature static "static")
+    (lib.withFeature compressionSupport "zlib")
+    (lib.withFeature sslSupport "ssl")
+  ];
+
+  passthru = {inherit compressionSupport sslSupport;};
+
+  meta = with lib; {
+    description = "An HTTP and WebDAV client library";
+    homepage = "https://notroj.github.io/neon/";
+    changelog = "https://github.com/notroj/${pname}/blob/${version}/NEWS";
+    platforms = platforms.unix;
+    license = licenses.lgpl2;
+  };
+}