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/physfs/default.nix

@@ -0,0 +1,40 @@
+{ lib, stdenv, fetchurl, cmake, doxygen, zlib, Foundation, Carbon }:
+
+let
+  generic = version: sha256:
+  stdenv.mkDerivation rec {
+    pname = "physfs";
+    inherit version;
+
+    src = fetchurl {
+      url = "${meta.homepage}/downloads/${pname}-${version}.tar.bz2";
+      inherit sha256;
+    };
+
+    nativeBuildInputs = [ cmake doxygen ];
+
+    buildInputs = [ zlib ]
+      ++ lib.optionals stdenv.isDarwin [ Foundation Carbon ];
+
+    patchPhase = ''
+      sed s,-Werror,, -i CMakeLists.txt
+    '';
+
+    doInstallCheck = true;
+
+    installCheckPhase = ''
+      ./test_physfs --version
+    '';
+
+    meta = with lib; {
+      homepage = "http://icculus.org/physfs/";
+      description = "Library to provide abstract access to various archives";
+      license = licenses.free;
+      platforms = platforms.unix;
+    };
+  };
+
+in {
+  physfs_2 = generic "2.0.3" "0sbbyqzqhyf0g68fcvvv20n3928j0x6ik1njmhn1yigvq2bj11na";
+  physfs   = generic "3.0.2" "0qzqz4r88gvd8m7sh2z5hvqcr0jfr4wb2f77c19xycyn0rigfk9h";
+}