Some tweaks to the contributing doc (#3402)
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 1a57621..c600ece 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -8,7 +8,7 @@
* Linux or Mac OS X. (Windows is not yet supported.)
* git (used for source version control).
- * An IDE. We recommend [IntelliJ with the Flutter plugin](https://flutter.io/intellij-ide/).
+ * An IDE. We recommend [IntelliJ with the Flutter plugin](https://flutter.io/intellij-ide/) or Xcode.
* An ssh client (used to authenticate with GitHub).
* Chromium's [depot_tools](http://www.chromium.org/developers/how-tos/install-depot-tools) (make sure it's in your path). We use the `gclient` tool from depot_tools.
* Python (used by many of our tools, including 'gclient').
@@ -74,6 +74,7 @@
sky_services:
path: /path/to/flutter/engine/out/host_debug/gen/dart-pkg/sky_services
```
+Depending on the platform you choose below, you will need to replace `host_debug` with the appropriate directory.
### Android (cross-compiling from Mac or Linux)
@@ -124,6 +125,7 @@
* `gclient sync` to update dependencies.
* `./flutter/tools/gn --ios --unoptimized` to prepare build files.
* For a discussion on the various flags and modes, [read this discussion](https://github.com/flutter/flutter/wiki/Flutter's-modes).
+ * This also produces an Xcode project for working with the engine source code at `out/ios_debug_unopt`
* `ninja -C out/ios_debug_unopt` to build iOS artifacts.
Once the artifacts are built, you can start using them in your application by following these steps:
