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Upgrading to xcode 4 error No architectures to compile for

I am getting an error after upgrading to xcode 4, for all of the library projects that my application depends on.

[BEROR]No architectures to compile for (ONLY_ACTIVE_ARCH=YES, active arch=i386, VALID_ARCHS=armv6).

Solution

  • It looks like all you have to do is add i386 to the Valid Architectures in the build settings. I was compiling for the simulator, and that's why it was complaining.

    This seems odd, because the project worked just fine before upgrade. It looks to me like you have to do this for any project you upgrade. At least that will work for now.