Undefined symbols for architecture x86_64:

具体问题如下
Undefined symbols for architecture x86_64:
"webrtc::FIRFilterSSE2::FIRFilterSSE2(float const*, unsigned long, unsigned long)", referenced from:
webrtc::FIRFilter::Create(float const*, unsigned long, unsigned long) in libEaseMobClientSDK.a(fir_filter.o)
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)