title: protobuf symbol lookup error
body: <p>I am generating a library called libfoo.so which makes use of protobuf and it is being generated successfully. But when I am using libfoo.so for dynamic linking, it is giving the below symbol lookup error.</p>
  
  <blockquote>
    <p>Symbol lookup error: undefined symbol: _ZN6google8protobuf8internal12kEmptyStringB5cxx11E with protobuf-2.5.1 version</p>
  </blockquote>
  
  <p>and </p>
  
  <blockquote>
    <p>Symbol lookup error: undefined symbol: _ZN6google8protobuf8internal13empty_string_B5cxx11E with protbuf-2.6.1 version</p>
  </blockquote>
  
  <p>I have tried with different versions of protobuf, but still the issues persists, can anyone help me in this regards.</p>
  
  <p>Thanks in advance.
  Jai</p>