Xcode 6.3 not archive and get stucks when Compiling Swift Source Files

Question

Xcode 6.3 gets stuck on "compiling swift source files" when I try to build for archive! it gets stuck on "compiling last two or three swift files". I waited nine hours but did not happen anything. Do you have any ideas for this problem ?

Answer 1

Just try to enabling Whole Module Optimization

This link can help you.

https://developer.apple.com/swift/blog/?id=27