Remove println() for release version iOS Swift

Question

I would like to globally ignore all println() calls in my Swift code if I am not in a Debug build. I can\'t find any robust step by step instructions for this a

Answer 1

XCode 8 introduced a few new build settings.
In particular one referred to Active Compilation Conditions does in a similar way what Other Flags settings did.

"Active Compilation Conditions" is a new build setting for passing conditional compilation flags to the Swift compiler.

As per XCode 8 (tested in 8.3.2) you will get this by default:

So without any config you can write the following:

#if DEBUG
    print("⚠️ Something weird happened")
#endif

I strongly recommend you that if you use this approach extensively create a class/struct/function that wraps this logging logic. You may want to extend this further down the road.