OS X: Crash on launch in source build due to missing executable flag

On Mac OS X, when building Unity Editor from source following the instructions in the README, it crashes on launch because the file ShaderCompileWorker is missing the executable flag.

Fixed the problem by doing:

chmod +x UnrealEngine/Engine/Binaries/Mac/ShaderCompileWorker

It is a good point !!!

Solution from user:

Fixed the problem by doing:

chmod +x UnrealEngine/Engine/Binaries/Mac/ShaderCompileWorker