Objective-C ARC Error: -fobjc-arc is not supported with fragile abi

Question

I\'m having a problem trying to migrate my iPhone app to the new ARC technology. When I try to convert the code, the following error shows up 29 times:

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Answer 1

change compiler.

Set the project compiler to "LLVM GCC 4.2", instead of "Apple LLVM 3.0"; ARC is only supported when you use Apple LLVM. To set the project compiler, in your Project, under "Build Settings", and then under "Build Options", there is a settings for "Compiler for Objective-C". Change that value to "LLVM GCC 4.2

Answer 2

From Apple's developer forums

This is an unfortunate bug in Seed 3, where the migrator and simulator aren't working well together. To address this, just switch to a device target, then do migration.