title: iOS: error ABC class is implemented in both, One of the two will be used. Which one is undefined
body: <p>I have integrated my own two frameworks in project, which uses common static library in both framework.
  When i run Project it throws below error for static library classes (which is common in both frameworks) -</p>
  <p>objc[64586]: Class ABC is implemented in both /Users/user/Library/Developer/Xcode/DerivedData/Project-hjicsdlhsejzcqbhbqvjpzsdpbem/Build/Products/Debug-iphonesimulator/SDK1.framework/SDK1 (0x1056c7220) and /Users/user/Library/Developer/Xcode/DerivedData/Project-hjicsdlhsejzcqbhbqvjpzsdpbem/Build/Products/Debug-iphonesimulator/SDK2.framework/SDK2 (0x102074be0). One of the two will be used. Which one is undefined.</p>
  <p>When i run app, only one framework is work and other does not.</p>
  <p>Thanks in advance !</p>