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/ocaml-modules/ocamlnet/default.nix

@@ -0,0 +1,55 @@
+{ stdenv, lib, fetchurl, pkg-config, which, ncurses, ocaml, findlib, ocaml_pcre, camlzip
+, gnutls, nettle
+}:
+
+if lib.versionOlder ocaml.version "4.02"
+then throw "ocamlnet is not available for OCaml ${ocaml.version}"
+else
+
+stdenv.mkDerivation rec {
+  pname = "ocaml${ocaml.version}-ocamlnet";
+  version = "4.1.9";
+
+  src = fetchurl {
+    url = "http://download.camlcity.org/download/ocamlnet-${version}.tar.gz";
+    sha256 = "1vlwxjxr946gdl61a1d7yk859cijq45f60dhn54ik3w4g6cx33pr";
+  };
+
+  nativeBuildInputs = [ pkg-config which ocaml findlib ];
+  buildInputs = [ ncurses ocaml_pcre camlzip gnutls nettle ];
+
+  strictDeps = true;
+
+  createFindlibDestdir = true;
+
+  dontAddPrefix = true;
+  dontAddStaticConfigureFlags = true;
+  configurePlatforms = [];
+
+  preConfigure = ''
+    configureFlagsArray=(
+      -bindir $out/bin
+      -enable-gnutls
+      -enable-zip
+      -enable-pcre
+      -disable-gtk2
+      -with-nethttpd
+      -datadir $out/lib/ocaml/${ocaml.version}/ocamlnet
+    )
+  '';
+
+  buildPhase = ''
+    make all
+    make opt
+  '';
+
+  meta = {
+    homepage = "http://projects.camlcity.org/projects/ocamlnet.html";
+    description = "A library implementing Internet protocols (http, cgi, email, etc.) for OCaml";
+    license = "Most Ocamlnet modules are released under the zlib/png license. The HTTP server module Nethttpd is, however, under the GPL.";
+    inherit (ocaml.meta) platforms;
+    maintainers = [
+      lib.maintainers.maggesi
+    ];
+  };
+}