环信EMSDK_3.0接入

Undefined symbols for architecture x86_64:

  "_iconv", referenced from:

      _avcodec_decode_subtitle2 in libHyphenateFullSDK.a(utils.o)

  "_iconv_close", referenced from:

      _avcodec_open2 in libHyphenateFullSDK.a(utils.o)

      _avcodec_decode_subtitle2 in libHyphenateFullSDK.a(utils.o)

  "_iconv_open", referenced from:

      _avcodec_open2 in libHyphenateFullSDK.a(utils.o)

      _avcodec_decode_subtitle2 in libHyphenateFullSDK.a(utils.o)

 解决方法

　　need add libiconv.dylib via "add framework". SRC

环信EMSDK_3.0接入

原文：http://www.cnblogs.com/DanteBarnett/p/5324601.html