[swift-dev] Building and Generating Xcode project for Swift source code

[Alwyn Concessao]

Hey Swift enthusiasts,
I'm  stuck with building the swift source code and generating the Xcode project from Apple's Swift GitHub repository.I'm using Xcode beta-6 as mentioned in the Github page but getting the below mentioned error - 

-- Build files have been written to: (base path)/swift-source/build/Xcode-DebugAssert/llvm-macosx-x86_64

+ popd

~/desktop/swift-source

usage: dirname path
./swift/utils/build-script: fatal error: command terminated with a non-zero exit status 1, aborting
Xcode projects for only mark and llvm are generated in build/Xcode-DebugAssert after the build.
Any ideas as to what could be happening and how to fix the above error?
Thank you!
Regards,Alwyn
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