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I upgraded to XCode 4.2 and my project is failing to link with Three20. I get this error. Any ideas?
Undefined symbols for architecture i386:
“TTIsInDebugger()”, referenced from:
…my code stack here…
ld: symbol(s) not found for architecture i386
clang: error: linker command failed with exit code 1 (use -v to see invocation)
I fixed this, see https://github.com/facebook/three20/issues/779 for resolution.