Conditional Compilation and Objective-C/Xcode

Question

So I am working on a learning project and I am trying to create a header file that contains a store of URL\'s so that you can just change a single flag to change from Debug

Answer 1

I think you are trying to define the same variable twice. How about this:

In your header:

#define DEBUG 1

In the init of your .m file:

#if DEBUG
   URL = @"dev.myserver.com";
#else
   URL = @"myserver.com";
#endif

Answer 2

Geoff: I have a need for this kind of conditional in my Mac App Store app for validating receipts, and I do it with a separate build configuration and a -D flag. In Debug configuration, add a compiler flag something like -DDEBUG_BUILD (Note the double D at the beginning and no space.) and then use

#ifdef DEBUG_BUILD
    #define SERVER_URL_STRING @"http://dev.myserver.com"
#else
    #define SERVER_URL_STRING @"http://myserver.com"
#endif

This way, you don't have to remember to swap that #define each time you build for production. (You'll forget eventually. Everyone has.) -If you do it this way, then you don't need the @property or the ivar declaration either.- Just saw you took these out already.

Answer 3

I think this should work

#define DEBUG 1
#if DEBUG
   #define URL = @"dev.myserver.com";
#else
   #define URL = @"myserver.com";
#endif