现象：
我们项目需要用到ANE扫二维码的功能，XCode里用ZBarSDK写好之后发布成ane，adt打包成ipa的时候报错如下：
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