title: ld: 871 duplicate symbols for architecture armv7, clang: error: linker command failed with exit code 1 (use -v to see invocation)
body: <p>I am using FastPDFKit in my iPhone app for displaying PDF. When I run the project on simulator, it works fine. However when I run the project on iPhone, it gives me below error.</p>
  
  <pre><code>duplicate symbol _value_map in:
      /Users/alkandari/Desktop/iPhone Apps/MyTest002/MyTest002/FastPdfKit.embeddedframework/FastPdfKit.framework/FastPdfKit(FastPdfKit)
  duplicate symbol _writeUnicodeToUTF8Buffer in:
      /Users/alkandari/Desktop/iPhone Apps/MyTest002/MyTest002/FastPdfKit.embeddedframework/FastPdfKit.framework/FastPdfKit(FastPdfKit)
  ld: 871 duplicate symbols for architecture armv7
  clang: error: linker command failed with exit code 1 (use -v to see invocation)
  ld: 871 duplicate symbols for architecture armv7
  
  
  clang: error: linker command failed with exit code 1 (use -v to see invocation)
  </code></pre>
  
  <p>Any idea why it is happening like this?</p>
  
  <hr>
  
  <p>Error comes when I add FastPDFFramework in Configuration in Debug and Release section.</p>