Anyone have any additional thoughts on this? Again, this should be reproducible by simply adding -ObjC to the linker flags for any project using the iOS version of this library. This happens on both simulator and device. Anyone? On Feb 25, 2013, at 10:29 AM, Jiva DeVoe <jiva at random-ideas.net> wrote: > I've recently been working out using pjsip on iOS. I have successfully added the library project, built my application, and tested it. So far, everything has worked great. Thanks for the excellent tool. > > Unfortunately, I have found that when it comes to adding additional static libraries to my project, there seems to be some kind of conflict with the pjsip library. > > Specifically, whenever I add the flags -ObjC and -all_load to my linker flags (these allow third-party static libraries to load Objective-C categories contained within them) by then get the following error when I try to build my project: > > Undefined symbols for architecture i386: > ".objc_class_name_AVCaptureDevice", referenced from: > pointer-to-literal-objc-class-name in libpjmedia-videodev-arm-apple-darwin9.a(ios_dev.o) > > I get a bunch of these... all for various system frameworks... > > To be clear: > > I am linking with AVFoundation and all the other frameworks in the errors. > > The ONLY thing that changes to cause this error is adding the -ObjC and -all_load flags. > > I posted this question to the Apple LLVM forum, and received the following response from Greg Parker: > > "Your static archive was built incorrectly. (In this error, ios_dev.o from libpjmedia-videodev-arm-apple-darwin9.a specifically.) > > "The static archive was built for 32-bit OS X, which is not compatible with 32-bit iOS simulator. You should check the build settings for the static archive." > > Unfortunately, he didn't give me any additional information about how I would fix this in the build scripts. > > I'm not actually 100% sure that he is correct, because the problem doesn't just occur when building for the simulator. It also occurs when building for the device. > > Note: To reproduce the problem, you do not actually have to link with a third-party library, all you have to do is add those flags to your build settings in your iOS project. > > Can anyone help me to resolve this problem? > > Thanks in advance! > > -- > Jiva DeVoe > http://www.random-ideas.net > iZen Garden - Promoting Virtual Peace and Tranquility on an iPhone near you. > > > -- Jiva DeVoe http://www.random-ideas.net iZen Garden - Promoting Virtual Peace and Tranquility on an iPhone near you.