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/lablgtk/default.nix

@@ -0,0 +1,47 @@
+{ lib, stdenv, fetchurl, fetchFromGitHub, ocaml, findlib, pkg-config, gtk2, libgnomecanvas, gtksourceview }:
+
+let param =
+  let check = lib.versionAtLeast ocaml.version; in
+  if check "4.06" then rec {
+    version = "2.18.12";
+    src = fetchFromGitHub {
+      owner = "garrigue";
+      repo = "lablgtk";
+      rev = version;
+      sha256 = "sha256:0asib87c42apwf1ln8541x6i3mvyajqbarifvz11in0mqn5k7g7h";
+    };
+  } else if check "3.12" then {
+    version = "2.18.5";
+    src = fetchurl {
+      url = "https://forge.ocamlcore.org/frs/download.php/1627/lablgtk-2.18.5.tar.gz";
+      sha256 = "0cyj6sfdvzx8hw7553lhgwc0krlgvlza0ph3dk9gsxy047dm3wib";
+    };
+  } else throw "lablgtk is not available for OCaml ${ocaml.version}";
+in
+
+stdenv.mkDerivation {
+  pname = "lablgtk";
+  inherit (param) version src;
+
+  nativeBuildInputs = [ pkg-config ocaml findlib ];
+  buildInputs = [ gtk2 libgnomecanvas gtksourceview ];
+
+  configureFlags = [ "--with-libdir=$(out)/lib/ocaml/${ocaml.version}/site-lib" ];
+  buildFlags = [ "world" ];
+
+  preInstall = ''
+    mkdir -p $out/lib/ocaml/${ocaml.version}/site-lib
+    export OCAMLPATH=$out/lib/ocaml/${ocaml.version}/site-lib/:$OCAMLPATH
+  '';
+
+  dontStrip = true;
+
+  meta = with lib; {
+    description = "An OCaml interface to GTK";
+    homepage = "http://lablgtk.forge.ocamlcore.org/";
+    license = licenses.lgpl21Plus;
+    maintainers = with maintainers; [ maggesi roconnor vbgl ];
+    mainProgram = "lablgtk2";
+    inherit (ocaml.meta) platforms;
+  };
+}