title: Eclipse+gtest compile c++ error:multiple definition of "...."
body: <p>I have project like this: 
  <img src="https://i.stack.imgur.com/WPtYR.png" alt="enter image description here"></p>
  
  <p>When I try to compile this,get error:multipe definition of `FooTest_failing_Test:TestBody()'</p>
  
  <p>I have compiled gtest 1.7 and gmock 1.7,and copied all libg* to /user/lib,and my build setting like this:
  <img src="https://i.stack.imgur.com/o5VXP.png" alt="enter image description here"></p>
  
  <p><img src="https://i.stack.imgur.com/5VQkj.png" alt="enter image description here"></p>
  
  <pre><code>enter code here
  </code></pre>