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/libclxclient/default.nix

@@ -0,0 +1,49 @@
+{ lib, stdenv, fetchurl, libclthreads, libX11, libXft, xorg, pkg-config }:
+
+stdenv.mkDerivation rec {
+  pname = "libclxclient";
+  version = "3.9.2";
+
+  src = fetchurl {
+    url = "https://kokkinizita.linuxaudio.org/linuxaudio/downloads/clxclient-${version}.tar.bz2";
+    sha256 = "10bq6fy8d3pr1x2x3xx9qhf2hdxrwdgvg843a2y6lx70y1jfj0c5";
+  };
+
+  buildInputs = [ libclthreads libX11 libXft xorg.xorgproto ];
+
+  nativeBuildInputs = [ pkg-config ];
+
+  NIX_CFLAGS_COMPILE = "-I${xorg.xorgproto}/include -I${libXft.dev}/include";
+
+  patchPhase = ''
+    cd source
+    # use pkg-config instead of pkgcon:
+    sed -e 's/pkgconf/pkg-config/g' -i ./Makefile
+    # don't run ldconfig:
+    sed -e "/ldconfig/d" -i ./Makefile
+    # make sure it can find clxclient.h:
+    sed -e 's/<clxclient.h>/"clxclient.h"/' -i ./enumip.cc
+  '';
+
+  makeFlags = [
+    "PREFIX=$(out)"
+    "SUFFIX=''"
+  ];
+
+  preInstall = ''
+    # The Makefile does not create the include directory
+    mkdir -p $out/include
+  '';
+
+  postInstall = ''
+    ln $out/lib/libclxclient.so $out/lib/libclxclient.so.3
+  '';
+
+  meta = with lib; {
+    description = "Zita X11 library";
+    homepage = "http://kokkinizita.linuxaudio.org/linuxaudio/downloads/index.html";
+    license = licenses.lgpl21;
+    maintainers = with maintainers; [ magnetophon ];
+    platforms = platforms.linux;
+  };
+}