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/tools/misc/uudeview/default.nix

@@ -0,0 +1,44 @@
+{ lib
+, stdenv
+, fetchurl
+, fetchpatch
+, tcl
+, tk
+}:
+
+stdenv.mkDerivation rec {
+  pname = "uudeview";
+  version = "0.5.20";
+
+  src = fetchurl {
+    url = "http://www.fpx.de/fp/Software/UUDeview/download/${pname}-${version}.tar.gz";
+    sha256 = "0dg4v888fxhmf51vxq1z1gd57fslsidn15jf42pj4817vw6m36p4";
+  };
+
+  buildInputs = [ tcl tk ];
+
+  configureFlags = [ "--enable-tk=${tk.dev}" "--enable-tcl=${tcl}" ];
+
+  patches = [
+    # https://wiki.tcl.tk/3577
+    ./matherr.patch
+    # format hardening
+    (fetchpatch {
+      url = "https://raw.githubusercontent.com/OpenMandrivaAssociation/uudeview/master/uudeview-0.5.20-fix-str-fmt.patch";
+      sha256 = "1biipck60mhpd0j6jwizaisvqa8alisw1dpfqm6zf7ic5b93hmfw";
+      extraPrefix = "";
+    })
+  ];
+
+  postPatch = ''
+    substituteInPlace tcl/xdeview --replace "exec uuwish" "exec $out/bin/uuwish"
+  '';
+
+  meta = {
+    description = "The Nice and Friendly Decoder";
+    homepage = "http://www.fpx.de/fp/Software/UUDeview/";
+    license = lib.licenses.gpl2Plus;
+    maintainers = with lib.maintainers; [ woffs ];
+    platforms = lib.platforms.linux;
+  };
+}

pkgs/tools/misc/uudeview/matherr.patch

@@ -0,0 +1,19 @@
+diff --git a/tcl/uutcl.c b/tcl/uutcl.c
+index f101f2ce52b..71c24688dc4 100644
+--- a/tcl/uutcl.c
++++ b/tcl/uutcl.c
+@@ -48,14 +48,6 @@
+ #include <tcl.h>
+ #endif
+
+-/*
+- * The following variable is a special hack that is needed in order for
+- * Sun shared libraries to be used for Tcl.
+- */
+-
+-extern int matherr();
+-int *tclDummyMathPtr = (int *) matherr;
+-
+ #include <uudeview.h>
+ #include <uuint.h>
+ #include <fptools.h>