Changing the project build target as shown at UE4 4.10 Xcode project generation and usage - Programming & Scripting - Epic Developer Community Forums allows the project to be cleaned, but attempting to build the project results in the following error:
Setting up Mono
Cleaning UE4Editor macosx Development...
Compiling with MacOSX SDK 10.11
ERROR: Rocket: No modules found to build?
Command /Users/Shared/UnrealEngine/4.10/Engine/Build/BatchFiles/Mac/RocketBuild.sh failed with exit code 5
What is causing Rocket to not find RocketBuild.sh?