How do I define preprocessor macros in Xcode 4?
I have two targets set up for my app (a lite version and a pro version) and I want to integrate some subtle differences in the code for each of them (e.g. the pro version will not show any iAd banners). I have been looking around and I see the easiest way to do this is through the use of preprocessor macros. The issue I'm facing is how to set them up in Xcode 4. I want to set up a macro called 'PRO_VERSION' in one target & 'LITE_VERSION' in the other. Below is an example of how I intend to use them: #ifdef PRO_VERSION // Hide ad banners #else // Show ad banners #endif The build setting you