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I am evaluating chilkat's SCP library for Objective C. I am able to successfully run the application on iPhone. But when i try creating archive to create ipa file it fails .

I have added the .a file to Link Binary with library and also included include and cpp_include folder.

The error is : Undefined symbols for architecture armv7: "OBJC_CLASS$CkoScp", referenced from: objc-class-ref in ViewController.o "_OBJC_CLASS$CkoSsh", referenced from: objc-class-ref in ViewController.o "_OBJC_CLASS$CkoBaseProgress", referenced from: _OBJC_CLASS$Progress in Progress.o "_OBJC_METACLASS$CkoBaseProgress", referenced from: _OBJC_METACLASS$_Progress in Progress.o ld: symbol(s) not found for architecture armv7

Please let me know what is missing.

asked Apr 05 '16 at 09:23

arpit0125's gravatar image


Chilkat includes the static libs for each possible architecture (see image below)

Make sure to include the armv7 in the universal lib that you are linking against. Note: There are static libs for both armv7 and armv7s.

iOS dir tree


answered Apr 05 '16 at 09:38

chilkat's gravatar image

chilkat ♦♦

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Asked: Apr 05 '16 at 09:23

Seen: 1,728 times

Last updated: Apr 05 '16 at 09:38

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