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/mysql/default.nix

@@ -0,0 +1,46 @@
+{ stdenv, lib, fetchurl, fetchpatch, ocaml, findlib, libmysqlclient }:
+
+# TODO: la versione stabile da' un errore di compilazione dovuto a
+# qualche cambiamento negli header .h
+# TODO: compilazione di moduli dipendenti da zip, ssl, tcl, gtk, gtk2
+
+let
+  pname = "ocaml-mysql";
+in
+
+stdenv.mkDerivation rec {
+  name = "${pname}-${version}";
+  version = "1.2.1";
+
+  src = fetchurl {
+    url = "http://ygrek.org.ua/p/release/ocaml-mysql/${name}.tar.gz";
+    sha256 = "06mb2bq7v37wn0lza61917zqgb4bsg1xxb73myjyn88p6khl6yl2";
+  };
+
+  configureFlags = [
+     "--prefix=$out"
+     "--libdir=$out/lib/ocaml/${ocaml.version}/site-lib/mysql"
+  ];
+
+  nativeBuildInputs = [ ocaml findlib ];
+
+  createFindlibDestdir = true;
+
+  propagatedBuildInputs = [ libmysqlclient ];
+
+  strictDeps = true;
+
+  patches = [
+    (fetchpatch {
+      url = "https://github.com/ygrek/ocaml-mysql/compare/v1.2.1...d6d1b3b262ae2cf493ef56f1dd7afcf663a70a26.patch";
+      sha256 = "0018s2wcrvbsw9yaqmwq500qmikwffrgdp5xg9b8v7ixhd4gi6hn";
+    })
+  ];
+
+  meta = {
+    homepage = "http://ocaml-mysql.forge.ocamlcore.org";
+    description = "Bindings for interacting with MySQL databases from ocaml";
+    license = lib.licenses.lgpl21Plus;
+    maintainers = [ lib.maintainers.roconnor ];
+  };
+}