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/tools/misc/xxgdb/default.nix

@@ -0,0 +1,44 @@
+{ lib, stdenv, fetchurl, imake, xlibsWrapper, gccmakedep, libXaw }:
+
+stdenv.mkDerivation rec {
+  pname = "xxgdb";
+  version = "1.12";
+
+  src = fetchurl {
+    url = "http://deb.debian.org/debian/pool/main/x/xxgdb/xxgdb_${version}.orig.tar.gz";
+    sha256 = "0jwazg99wk2l7r390ggw0yr8xipl07bp0qynni141xss530i6d1a";
+  };
+
+  patches = [
+    # http://zhu-qy.blogspot.com.es/2012/11/slackware-14-i-still-got-xxgdb-all-ptys.html
+    ./xxgdb-pty.patch
+  ];
+
+  nativeBuildInputs = [ imake gccmakedep ];
+  buildInputs = [ xlibsWrapper libXaw ];
+
+  preConfigure = ''
+    mkdir build
+    xmkmf
+  '';
+
+  makeFlags = [
+    "DESTDIR=build"
+  ];
+
+  postInstall = ''
+    # Fix up install paths
+    shopt -s globstar
+    mv build/**/bin $out/bin
+
+    install -D xxgdb.1 $out/share/man/man1/xxgdb.1
+  '';
+
+  meta = with lib; {
+    broken = stdenv.isDarwin;
+    description = "A simple but powerful graphical interface to gdb";
+    license = licenses.mit;
+    maintainers = with maintainers; [ emilytrau ];
+    platforms = platforms.all;
+  };
+}