Undefined symbols for architecture i386:
"_crc32", referenced from:
+[QNCrc32 data:] in libPods-Qiniu.a(QNCrc32.o)
+[QNCrc32 file:error:] in libPods-Qiniu.a(QNCrc32.o)
ld: symbol(s) not found for architecture i386
clang: error: linker command failed with exit code 1 (use -v to see invocation)
请参考 Readme: 如果碰到crc链接错误,请把libz.dylib加入到项目中去。