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I have a problem (not even sure that it is a bug for now) with linking native library to xamarin IOS project.
At the start i was getting error, described @ http://forums.xamarin.com/discussion/3381/native-binding-errorundefined-symbols-for-architecture-i386-for-mono-libs/p1.
But by somehow error has gone (some kind of a magic actually...), but another one has been occurred - 50 symbols duplicated for architecture i386. All errors relate to native library pjsip.
Same library links and runs absolutely normally with IPhone XCode application.
I have attached archive with example projects for Xamarin(monotouch folder) and Xcode(xcode folder). Both projects link to libpjsip.a located at the root folder.
Best Regards, Alex D
=== Xamarin Studio ===
Version 4.0.4 (build 2)
Installation UUID: 40284f57-7841-42b3-9e46-6a1f61b38fda
Mono 2.10.12 (mono-2-10/c9b270d)
Package version: 210120000
=== Apple Developer Tools ===
Xcode 4.6 (2066)
=== Xamarin.iOS ===
Version: 220.127.116.11 (Trial Edition)
Build date: 2013-22-04 18:55:23-0400
=== Xamarin.Android ===
=== Xamarin.Mac ===
Xamarin.Mac: Not Installed
=== Build Information ===
Release ID: 400040002
Git revision: a8bf58d398a13bcc7595f5f85adae04865a834d4
Build date: 2013-04-17 16:35:47+0000
Xamarin addins: f24db65837464cb72995ce5e84fa62fb0069724c
=== Operating System ===
Mac OS X 10.8.2
Darwin Admins-Mac.local 12.2.0 Darwin Kernel Version 12.2.0
Sat Aug 25 00:48:52 PDT 2012
Created attachment 3862 [details]
XCode and Xamarin projects example
This is a problem with the native library, it really has duplicate symbols.
You can reproduce it in the xcode project by going to the project's Build Settings and:
* Disable "Dead Code Stripping"
* Adding "-all_load" to "Other Linker Flags"
You should contact the provider of the libpjsip.a library and have them fix it.