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/tools/build-managers/bazel/cpp-test.nix

@@ -0,0 +1,53 @@
+{
+  bazel
+, bazelTest
+, bazel-examples
+, gccStdenv
+, lib
+, runLocal
+, runtimeShell
+, writeScript
+, writeText
+, distDir
+}:
+
+let
+
+  toolsBazel = writeScript "bazel" ''
+    #! ${runtimeShell}
+
+    export CXX='${gccStdenv.cc}/bin/g++'
+    export LD='${gccStdenv.cc}/bin/ld'
+    export CC='${gccStdenv.cc}/bin/gcc'
+
+    # XXX: hack for macosX, this flags disable bazel usage of xcode
+    # See: https://github.com/bazelbuild/bazel/issues/4231
+    export BAZEL_USE_CPP_ONLY_TOOLCHAIN=1
+
+    exec "$BAZEL_REAL" "$@"
+  '';
+
+  workspaceDir = runLocal "our_workspace" {} (''
+    cp -r ${bazel-examples}/cpp-tutorial/stage3 $out
+    find $out -type d -exec chmod 755 {} \;
+  ''
+  + (lib.optionalString gccStdenv.isDarwin ''
+    mkdir $out/tools
+    cp ${toolsBazel} $out/tools/bazel
+  ''));
+
+  testBazel = bazelTest {
+    name = "bazel-test-cpp";
+    inherit workspaceDir;
+    bazelPkg = bazel;
+    bazelScript = ''
+      ${bazel}/bin/bazel \
+        build --verbose_failures \
+        --distdir=${distDir} \
+        --curses=no \
+        --sandbox_debug \
+          //...
+    '';
+  };
+
+in testBazel