Indeed, I didn't think of that. There should be an ability to makes this 
decision in runtime I guess.

Best Regards
Ilya Kulakov

> On 21 февр. 2016 г., at 3:42, Jean-Daniel Dupas <mail...@xenonium.com> wrote:
> 
> It is unsafe to use availability conditional in headers.
> You can’t guarantee that the framework client will has the same settings that 
> what was used to compile the framework.
> 
> That said, if you want to use weak when compiling for ARC and assign 
> otherwise, you can just use #if __has_feature(objc_arc)
> 
> 
>> Le 20 févr. 2016 à 19:00, Ilya Kulakov <kulakov.i...@gmail.com> a écrit :
>> 
>> Hi,
>> 
>> I would like to add support for ARC's weaks to my framework that supports 
>> Mac OS X down to 10.6
>> 
>> My current solution is:
>> 
>> #if defined(MAC_OS_X_VERSION_MIN_REQUIRED) && MAC_OS_X_VERSION_MIN_REQUIRED 
>> >= 1070
>>   @property (weak) NSObject<SRValidatorDelegate> *delegate;
>> #else
>>   @property (assign) NSObject<SRValidatorDelegate> *delegate;
>> #endif
>> 
>> However, the value of MAC_OS_X_VERSION_MIN_REQUIRED is always 1070 despite 
>> of set Deployment Target (I compile on 10.11).
>> Why is it so and what solution could I use in my situation?
>> 
>> Best Regards,
>> Ilya Kulakov
>> 
>> 
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