Undefined symbols for architecture x86_64:
"_clock_gettime", referenced from:
_av_gettime_relative in libavutil.a(time.o)
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
如果编译最新的AnyChat for iOS SDK遇到上述错误,通常是xCode版本太低的缘故,请升级xCode到最新版本(xCode 8以上)。