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I've been trying to build an app that supports 10.7+ using Xcode 5 on 10.9. I can get 10.8+ working but have not succeeded in getting 10.7 to work.

I've tried the following:

  • disabled base internationalization (i think)
  • turned off autolayout in my xib
  • set 10.7+ as the target for my xib
  • copied in the 10.6 and 10.7 SDKs from 4.3.3 into my Contents/Developer/Platforms/MacOSX.platforms/Developers/SDKs folder
  • set deployment target to 10.7
  • set by base sdks to 10.7

When I do the above (mainly the deployment target and base SDKs) I can't run on 10.9. I get the following error message.

Xcode cannot run using the selected destination.

This seems exceptionally difficult. What am I missing? What else can I try?

abwaters
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1 Answers1

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That message suggests you are trying to run 64-bit code on a 32-bit destination. Having reproduced your steps, I see this problem intermittently, but if I clean and re-run it, it works.

Do make sure that you've selected a 64-bit destination ("My Mac 64-bit") and that you're building for 64-bit Intel (and not "Universal" for instance). I do suspect there's an Xcode bug in here since I'm seeing it fail and then succeed if I clean between, but this is not a supported configuration and Apple's not going to help you (i.e. a radar is probably a waste of time).

BTW: I build for 10.5 every day with Xcode 5 without any problems, but I'm explicitly building for 32-bit only and so am probably not bumping into this problem.

Community
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Rob Napier
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