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/compilers/hop/default.nix

@@ -0,0 +1,35 @@
+{ lib, stdenv, fetchurl, bigloo }:
+
+# Compute the “release” version of bigloo (before the first dash, if any)
+let bigloo-release =
+  let inherit (lib) head splitString; in
+  head (splitString "-" (builtins.parseDrvName bigloo.name).version)
+; in
+
+stdenv.mkDerivation rec {
+  pname = "hop";
+  version = "3.4.4";
+  src = fetchurl {
+    url = "ftp://ftp-sop.inria.fr/indes/fp/Hop/hop-${version}.tar.gz";
+    sha256 = "sha256-GzXh4HC+SFFoUi7SMqu36iYRPAJ6tMnOHd+he6n9k1I=";
+  };
+
+  postPatch = ''
+    substituteInPlace configure --replace "(os-tmp)" '(getenv "TMPDIR")'
+  '';
+
+  buildInputs = [ bigloo ];
+
+  configureFlags = [
+    "--bigloo=${bigloo}/bin/bigloo"
+    "--bigloolibdir=${bigloo}/lib/bigloo/${bigloo-release}/"
+  ];
+
+  meta = with lib; {
+    description = "A multi-tier programming language for the Web 2.0 and the so-called diffuse Web";
+    homepage = "http://hop.inria.fr/";
+    license = licenses.gpl2Plus;
+    platforms = platforms.linux;
+    maintainers = with maintainers; [ vbgl ];
+  };
+}