title: Xcode - CorePlot code linker command error
body: <p>I am getting the "symbol(s) not found for architecture x86_64" error after adding the latest CorePlot library built with standard architectures.
  Here is a screenshot from Xcode:
  <img src="https://i.stack.imgur.com/PvbuQ.png" alt="Xcode error"></p>
  
  <p>I built it from the open source project on git hub, both master and 2.0 release and I encounter the same problem. Tried also a debug both release build configurations. I use Xcode 6.4.
  Does anybody know how to fix this? Thanks!</p>