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/mobile/gomobile/default.nix

@@ -0,0 +1,61 @@
+{ stdenv, lib, fetchgit, buildGoModule, zlib, makeWrapper, xcodeenv, androidenv
+, xcodeWrapperArgs ? { }
+, xcodeWrapper ? xcodeenv.composeXcodeWrapper xcodeWrapperArgs
+, withAndroidPkgs ? true
+, androidPkgs ? androidenv.composeAndroidPackages {
+    includeNDK = true;
+    ndkVersion = "22.1.7171670";
+  } }:
+
+buildGoModule {
+  pname = "gomobile";
+  version = "unstable-2021-06-14";
+
+  vendorSha256 = "1irgkgv72rakg7snk1bnp10ibr64ykz9l40s59l4fnl63zsh12a0";
+
+  src = fetchgit {
+    rev = "7c8f154d100840bc5828285bb390bbae1cb5a98c";
+    name = "gomobile";
+    url = "https://go.googlesource.com/mobile";
+    sha256 = "1w9mra1mqf60iafp0ywvja5196fjsjyfhvz4yizqq4qkyll5qmj1";
+  };
+
+  subPackages = [ "bind" "cmd/gobind" "cmd/gomobile" ];
+
+  # Fails with: go: cannot find GOROOT directory
+  doCheck = false;
+
+  nativeBuildInputs = [ makeWrapper ]
+    ++ lib.optionals stdenv.isDarwin [ xcodeWrapper ];
+
+  # Prevent a non-deterministic temporary directory from polluting the resulting object files
+  postPatch = ''
+    substituteInPlace cmd/gomobile/env.go --replace \
+      'tmpdir, err = ioutil.TempDir("", "gomobile-work-")' \
+      'tmpdir = filepath.Join(os.Getenv("NIX_BUILD_TOP"), "gomobile-work")' \
+      --replace '"io/ioutil"' ""
+    substituteInPlace cmd/gomobile/init.go --replace \
+      'tmpdir, err = ioutil.TempDir(gomobilepath, "work-")' \
+      'tmpdir = filepath.Join(os.Getenv("NIX_BUILD_TOP"), "work")'
+  '';
+
+  # Necessary for GOPATH when using gomobile.
+  postInstall = ''
+    mkdir -p $out/src/golang.org/x
+    ln -s $src $out/src/golang.org/x/mobile
+    wrapProgram $out/bin/gomobile \
+  '' + lib.optionalString withAndroidPkgs ''
+      --prefix PATH : "${androidPkgs.androidsdk}/bin" \
+      --set ANDROID_NDK_HOME "${androidPkgs.androidsdk}/libexec/android-sdk/ndk-bundle" \
+      --set ANDROID_HOME "${androidPkgs.androidsdk}/libexec/android-sdk" \
+  '' + ''
+      --prefix LD_LIBRARY_PATH : "${lib.makeLibraryPath [ zlib ]}"
+  '';
+
+  meta = with lib; {
+    description = "A tool for building and running mobile apps written in Go";
+    homepage = "https://pkg.go.dev/golang.org/x/mobile/cmd/gomobile";
+    license = licenses.bsd3;
+    maintainers = with maintainers; [ jakubgs ];
+  };
+}