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/os-specific/darwin/maloader/default.nix

@@ -0,0 +1,40 @@
+{ lib, stdenv, fetchFromGitHub, opencflite, clang, libcxx }:
+
+stdenv.mkDerivation {
+  pname = "maloader";
+  version = "unstable-2014-02-25";
+
+  src = fetchFromGitHub {
+    owner = "shinh";
+    repo = "maloader";
+    rev = "5f220393e0b7b9ad0cf1aba0e89df2b42a1f0442";
+    sha256 = "0dd1pn07x1y8pyn5wz8qcl1c1xwghyya4d060m3y9vx5dhv9xmzw";
+  };
+
+  postPatch = ''
+    sed -i \
+      -e '/if.*loadLibMac.*mypath/s|mypath|"'"$out/lib/"'"|' \
+      -e 's|libCoreFoundation\.so|${opencflite}/lib/&|' \
+      ld-mac.cc
+  '';
+
+  NIX_CFLAGS_COMPILE = "-I${lib.getDev libcxx}/include/c++/v1";
+  buildInputs = [ clang libcxx ];
+  buildFlags = [ "USE_LIBCXX=1" "release" ];
+
+  installPhase = ''
+    install -vD libmac.so "$out/lib/libmac.so"
+
+    for bin in extract macho2elf ld-mac; do
+      install -vD "$bin" "$out/bin/$bin"
+    done
+  '';
+
+  meta = {
+    description = "Mach-O loader for Linux";
+    homepage = "https://github.com/shinh/maloader";
+    license = lib.licenses.bsd2;
+    platforms = lib.platforms.linux;
+    broken = true; # 2018-09-08, no succesful build since 2017-08-21
+  };
+}