AS3 ANE添加GoogleMobileAds.framework时报错：
Undefined symbols for architecture arm64:
"___isOSVersionAtLeast", referenced from:
l035 in GoogleMobileAds(GADAugmentedRealitySignalSource.o)
ld: symbol(s) not found for architecture arm64
Undefined symbols for architecture armv7:
"___isOSVersionAtLeast", referenced from:
l002 in GoogleMobileAds(GADAugmentedRealitySignalSource.o)
ld: symbol(s) not found for architecture armv7
Compilation failed while executing : ld64
解决方案：
1.Copy this file /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/cl ang/9.1.0/lib/darwin/libclang_rt.ios.a to [AIRSDK_PATH]/lib/aot/lib/libclang_rt.ios.a
2.Add this to your linkerOptions in platform.xml
<linkerOptions>
-lclang_rt.ios.a
</linkerOptions>
