Symptoms: Our project needed the ANE QR code scanning feature. After writing it in XCode with ZBarSDK and publishing it as an ANE, packing it into an IPA with adt threw this error: Packaging failed! Packaging error message: Compilation failed while executing : ld64 Packaging output: ld: warning: ignoring file /var/folders/l5/kql7svqx5j93vwg65tj3pt_c0000gn/T/8e0d5504-ffea-41da-a45b-22cfe260a197/libcn.flashj.ane.ios.QRScan.a, file was built for archive which is not the architecture being linked (armv7): /var/folders/l5/kql7svqx5j93vwg65tj3pt_c0000gn/T/8e0d5504-ffea-41da-a45b-22cfe260a197/libcn.flashj.ane.ios.QRScan.a Undefined symbols for architecture armv7: “_QRScanExtInitializer”, referenced from: _g_com_adobe_air_fre_fmap in extensionglue.o (maybe you meant: _QRScanExtInitializer_name) “_QRScanExtFinalizer”, referenced from: _g_com_adobe_air_fre_fmap in extensionglue.o (maybe you meant: _QRScanExtFinalizer_name) ld: symbol(s) not found for architecture armv7