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2 answers
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directory not found for option '-f WARNING after updating to XCode5

Since I have updated to XCode 5 for my OSX Project I get the following warning and I don't know why and how to solve it: Ld /Users/thomaswickl/Library/Developer/Xcode/DerivedData/QuickQuick2-...
user avatar
1 vote
1 answer
1k views

How to suppress the "dead store" compiler warning on Xcode?

How can I suppress the "dead store" warning on a single file in Xcode? I tried #pragma clang diagnostic push #pragma clang diagnostic ignored "-Wunused-value" without luck. Any suggestions? BTW, I ...
cfischer's user avatar
  • 24.9k
1 vote
1 answer
2k views

"Format string is not a string literal (potentially insecure)" [duplicate]

I'm using Xcode 4.6. My app is working on the device and the simulator, but I get a warning when building: "Format string is not a string literal (potentially insecure)" from this code [sArray ...
Ram's user avatar
  • 1,697
-2 votes
1 answer
328 views

Cocoa NSUserDefaultsController: Multiple methods named 'save:' found

This question has been asked in various forms on here before, but I cannot seem to figure out what the compiler is complaining about; there are no other save: methods in the NSUserDefaultsController ...
trojanfoe's user avatar
  • 123k
1 vote
1 answer
1k views

warning: comparison is always true due to limited range of data type causes crash

I have a warning that I am unable to find the cause of. I am following instructional code in a text on Cocoa programming that implements a document based image slide show. This warning causes a ...
Mike's user avatar
  • 331
0 votes
4 answers
599 views

Warning: MyClass:NSObject does not implement key value observing? How can that be?

I just recently resumed work on a Cocoa project that I left a few months ago. Cocoa is a strange beast if you have not been using it for a while. Anyway, at some point the compiler started dropping ...
bastibe's user avatar
  • 17.3k
1 vote
3 answers
632 views

How do warnings on undefined selectors work in Objective C?

Is there any way to make the compiler raise a warning when calling a selector that is not defined ? For example, I have this call somewhere : methodcall time1:[[self.H1time copy] stringValue] ...
Oliver's user avatar
  • 23.6k
3 votes
3 answers
754 views

Cocoa - Calling a variadic method from another variadic one (NSString stringWithFormat call)

I have a problem with [NSString strigWithFormat:format] because it returns an id, and I have a lot of code where I changed a NSString var to an other personal type. But the compiler does not prevent ...
Oliver's user avatar
  • 23.6k
2 votes
1 answer
2k views

Avoid "[superclass] may not respond to [selector]" warning without incurring LLVM's "Cannot cast 'super'" error

I have the following code in an NSView subclass: - (id)forwardingTargetForSelector:(SEL)aSelector { if ([super respondsToSelector:@selector(forwardingTargetForSelector:)]) { // cast to (...
Isaac's user avatar
  • 10.8k
2 votes
1 answer
1k views

How to avoid "unused variable" compiler warnings with conditionally compiled NSLog replacements?

This comes out of my search for a smart variant of NSLog(). One key feature of BetterLog() is that the NSLog() replacement compiles out to nothing for release and distribution builds. The proposed ...
Jean-Denis Muys's user avatar
0 votes
1 answer
455 views

persistant '<class>' may not respond to +method

I've found a bunch of posts on this problem and have actually managed to removed one of the warnings i was getting from these however one persists. Some context: I'm creating currency converter as an ...
msaspence's user avatar
  • 1,424
0 votes
1 answer
619 views

Compiler warning when passing NSError ** as a method parameter

I've been scratching my head about this for the last 4 hours, trying out all kinds of little experiments, but I can't seem to figure out what's going wrong. Could this be a compiler bug? Test.m: - (...
splicer's user avatar
  • 5,414