Undefined symbols
forarchitecture x86_64:
"_BZ2_bzDecompress", referenced
from: _ft_bzip2_file_fill_output
inMobileVLCKit(ftbzip2.o)
"_BZ2_bzDecompressEnd", referenced
from: _ft_bzip2_stream_io
inMobileVLCKit(ftbzip2.o) _ft_bzip2_stream_close
inMobileVLCKit(ftbzip2.o)
解决：
Targets -> General -->Linked Frameworks and Libraries 中，添加 libbz2.dylib,libiconv.dylib两个文件