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/system/btop/default.nix

@@ -0,0 +1,55 @@
+{ lib
+, stdenv
+, fetchFromGitHub
+, runCommand
+, darwin
+, removeReferencesTo
+}:
+
+stdenv.mkDerivation rec {
+  pname = "btop";
+  version = "1.2.6";
+  hash = "sha256-q1Dpdw7bVSG10xtoUpelRgMrWe71vCWajjsAHjAZzQ4=";
+
+  src = fetchFromGitHub {
+    owner = "aristocratos";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = hash;
+  };
+
+  hardeningDisable = lib.optionals (stdenv.isAarch64 && stdenv.isDarwin) [ "stackprotector" ];
+
+  ADDFLAGS = with darwin.apple_sdk.frameworks;
+    lib.optional stdenv.isDarwin
+      "-F${IOKit}/Library/Frameworks/";
+
+  buildInputs = with darwin.apple_sdk;
+    lib.optionals stdenv.isDarwin [
+      frameworks.CoreFoundation
+      frameworks.IOKit
+    ] ++ lib.optional (stdenv.isDarwin && stdenv.isx86_64) (
+      # Found this explanation for needing to create a header directory for libproc.h alone.
+      # https://github.com/NixOS/nixpkgs/blob/049e5e93af9bbbe06b4c40fd001a4e138ce1d677/pkgs/development/libraries/webkitgtk/default.nix#L154
+      # TL;DR, the other headers in the include path for the macOS SDK is not compatible with the C++ stdlib and causes issues, so we copy
+      # this to avoid those issues
+      runCommand "${pname}_headers" { } ''
+        install -Dm444 "${lib.getDev sdk}"/include/libproc.h "$out"/include/libproc.h
+      ''
+    );
+
+  installFlags = [ "PREFIX=$(out)" ];
+
+  postInstall = ''
+    ${removeReferencesTo}/bin/remove-references-to -t ${stdenv.cc.cc} $(readlink -f $out/bin/btop)
+  '';
+
+  meta = with lib; {
+    description = "A monitor of resources";
+    homepage = "https://github.com/aristocratos/btop";
+    changelog = "https://github.com/aristocratos/btop/blob/v${version}/CHANGELOG.md";
+    license = licenses.asl20;
+    platforms = platforms.linux ++ platforms.darwin;
+    maintainers = with maintainers; [ rmcgibbo ];
+  };
+}