weak-linking

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Weak Linking Framework for Printing

I have a simple project that uses mail and print routi开发者_运维问答nes. For printing, i have a subclass of UIPrintPageRenderer. I\'m following Apple\'s guidelines for using weakly linked classes:[详细]

2023-03-18 23:53 分类：问答
How can I avoid dependency on GLIBC_X.Y when using weak symbols

While working on the signal implementation in Hurd, I have run into the following problem. Basically, I add a new function to glibc, which is used by libpthread (those are from separate sources on Hu[详细]

2023-03-08 17:28 分类：问答
Checking for the existence of externally defined identifiers in C

I ran into this problem while developing in Objective-C for iOS, but this should apply to any C/C++/Objective-C code using the Mac OS X/iOS linker. The solution is covered by another question, but I\'[详细]

2023-01-19 09:36 分类：问答
Alternatives to weak linking in iPhone SDK?

I\'m looking to make my app compatible with older versions of iPhone OS. I did see weak linking mentioned as an option. Can I use OS version detection code to avoid code blocks that the O开发者_JAVA百[详细]

2023-01-03 22:04 分类：问答
how can you find out if an NSObject has a certain property?

Let\'s say in Apple API versio开发者_JAVA百科n 1.0, there is a class NSFoo with a property \'color\'.API 1.1 adds property \'size\'.[详细]

2023-01-03 14:21 分类：问答
How to avoid XCode framework weak-linking problems?

I\'m building an application that takes advantage of Mac OS X 10.6-only technologies, but without giving up backwards compatibility to 10.5 Leopard.[详细]

2022-12-24 22:24 分类：问答
Error when weak-linking StoreKit framework on iPhone

I am trying to add In App Purchase support to my app. I would like the app to still be able to support OS2.2.1, but IAP are not available unless the OS version is 3.0 or higher.[详细]

2022-12-22 01:22 分类：问答
GCC style weak linking in Visual Studio?

GCC has the ability to make a symbol link weakly via __attribute__开发者_高级运维((weak)).I want to use the a weak symbol in a static library that users can override in their application.A GCC style w[详细]

2022-12-20 19:15 分类：问答