On Sunday, October 13, 2013 2:59:53 AM UTC-4, Yong Duk Lee wrote:
>
>
> Hello.
>
>
> I am using the cryptopp library from cryptopp-5.6.2-ios-7.0 in Xcode 5.0.
>
> Everything works fine, and I can run my program either in simulator or
> device.
>
> However, when I try to archive the program in xcode to build ad-hoc app,
> it
>
> says "Undefined symbols for architecture arm64".
>
>
> The library was said to be built for arm7, arm7s, arm64, i386.
>
It is. You can use `lipo` to verify:
$ xcrun -sdk iphoneos lipo -info libcryptopp.a
Architectures in the fat file: libcryptopp.a are: armv7 armv7s arm64
i386
What could be wrong? Can anyone help?
>
I believe this as an Apple problem that is supposed to be fixed soon. The
problem is `lipo` can build fat binaries that mix 32-bit and 64-bit code
(e.g., libcrpytopp), but Xcode cannot at the moment (e.g., your app with
32-bit ARMv7, 32-bit ARMv7s and 64-bit ARM64). See "ARM64 and
-mios-version-min=7.0?",
http://lists.apple.com/archives/xcode-users/2013/Oct/msg00074.html.
Jeff
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