Undefined symbols for architectu

Undefined symbols for architecture i386:

"_OBJC_CLASS_$_RCTRootView", referenced from:

objc-class-ref in RNMainViewController.o

ld: symbol(s) not found for architecture i386

clang: error: linker command failed with exit code 1 (use -v to see invocation)

通过cocoaPods集成React工程错误引起的原因是：

修改pod的Build-Setting的Build

Archive Architecture Only的属性设置为NO