title: Creating Symbolic link fails
body: <p>I am trying to upgrade glibcxx on my CentOS 6.7 machine. I did the steps as given <a href="http://chrome.richardlloyd.org.uk/" rel="nofollow">here</a>. </p>
  
  <p>Now, when I do:</p>
  
  <pre><code>strings /opt/google/chrome/lib/libstdc++.so.6 | grep GLIBC
  </code></pre>
  
  <p>I have GLIBCXX_3.4 to GLIBCXX_3.4.22 listed.</p>
  
  <p>To use this file in my Syantaxnet build, I created a symbolic link:</p>
  
  <pre><code>ln -s /opt/google/chrome/lib/libstdc++.so.6 /usr/lib64/libstdc++.so.6
  </code></pre>
  
  <p>But I get an error:</p>
  
  <pre><code>ln: creating symbolic link `/usr/lib64/libstdc++.so.6': File exists
  </code></pre>
  
  <p>EDIT1:</p>
  
  <p>I thought the error was because of the same file names and renamed /opt/google/chrome/lib/libstdc++.so.6 to libstdc++.so.6_new. The command still fails.</p>
  
  <p>Can someone help me figure this out? Also, is this a solution for the error:</p>
  
  <pre><code>/usr/local/bin/bazel: /usr/lib64/libstdc++.so.6: version `GLIBCXX_3.4.14' not found (required by /usr/local/bin/bazel)
  /usr/local/bin/bazel: /usr/lib64/libstdc++.so.6: version `GLIBCXX_3.4.15' not found (required by /usr/local/bin/bazel)
  </code></pre>