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/opendylan/default.nix

@@ -0,0 +1,42 @@
+# Build Open Dylan from source using the binary builds to bootstrap.
+{lib, stdenv, fetchFromGitHub, boehmgc, mps, gnused, opendylan-bootstrap, autoconf, automake, perl, makeWrapper, gcc }:
+
+stdenv.mkDerivation {
+  pname = "opendylan";
+  version = "2016.1pre";
+
+  src = fetchFromGitHub {
+    owner = "dylan-lang";
+    repo = "opendylan";
+    rev = "cd9a8395586d33cc43a8611c1dc0513e69ee82dd";
+    sha256 = "sha256-i1wr4mBUbZhL8ENFGz8gV/mMzSJsj1AdJLd4WU9tIQM=";
+    fetchSubmodules = true;
+  };
+
+  buildInputs = (if stdenv.hostPlatform.system == "i686-linux" then [ mps ] else [ boehmgc ]) ++ [
+    opendylan-bootstrap boehmgc gnused autoconf automake perl makeWrapper
+  ];
+
+  preConfigure = if stdenv.hostPlatform.system == "i686-linux" then ''
+    mkdir -p $TMPDIR/mps
+    tar --strip-components=1 -xf ${mps.src} -C $TMPDIR/mps
+    ./autogen.sh
+  ''
+  else ''
+    ./autogen.sh
+  '';
+
+  configureFlags = [
+    (if stdenv.hostPlatform.system == "i686-linux" then "--with-mps=$(TMPDIR)/mps" else "--with-gc=${boehmgc.out}")
+  ];
+  buildPhase = "make 3-stage-bootstrap";
+
+  postInstall = "wrapProgram $out/bin/dylan-compiler --suffix PATH : ${gcc}/bin";
+
+  meta = {
+    homepage = "https://opendylan.org";
+    description = "A multi-paradigm functional and object-oriented programming language";
+    license = lib.licenses.mit;
+    platforms = lib.platforms.linux;
+  };
+}