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/libraries/itktcl/default.nix

@@ -0,0 +1,38 @@
+{ lib, stdenv, fetchurl, tcl, tk, incrtcl }:
+
+tcl.mkTclDerivation rec {
+  pname = "itk-tcl";
+  version = "4.1.0";
+
+  src = fetchurl {
+    url    = "mirror://sourceforge/incrtcl/%5BIncr%20Tcl_Tk%5D-source/3.4/itk${version}.tar.gz";
+    sha256 = "1iy964jfgsfnc1agk1w6bbm44x18ily8d4wmr7cc9z9f4acn2r6s";
+  };
+
+  buildInputs = [ tk incrtcl ];
+  enableParallelBuilding = true;
+
+  configureFlags = [
+    "--with-tk=${tk}/lib"
+    "--with-itcl=${incrtcl}/lib"
+    "--with-tkinclude=${tk.dev}/include"
+  ];
+
+  postInstall = ''
+    rmdir $out/bin
+    mv $out/lib/itk${version}/* $out/lib
+    ln -s libitk${version}${stdenv.hostPlatform.extensions.sharedLibrary} \
+      $out/lib/libitk${lib.versions.major version}${stdenv.hostPlatform.extensions.sharedLibrary}
+    rmdir $out/lib/itk${version}
+  '';
+
+  outputs = [ "out" "dev" "man" ];
+
+  meta = with lib; {
+    homepage    = "http://incrtcl.sourceforge.net/";
+    description = "Mega-widget toolkit for incr Tk";
+    license     = licenses.tcltk;
+    platforms   = platforms.unix;
+    maintainers = with maintainers; [ thoughtpolice ];
+  };
+}