Compile Issue with LLVM 6.10/00

Just tried to update to the new ROOT 6.10/00 build and immediately ran into the following when running CMake:

-- Constructing LLVMBuild project information
CMake Error at interpreter/llvm/src/CMakeLists.txt:537 (message):
  Unexpected failure executing llvm-build: Traceback (most recent call last):

    File "/Users/user/programs/root/root-6.10.00/interpreter/llvm/src/utils/llvm-build/llvm-build", line 6, in <module>
      llvmbuild.main()
    File "/Users/user/programs/root/root-6.10.00/interpreter/llvm/src/utils/llvm-build/llvmbuild/main.py", line 932, in main
      source_root, llvmbuild_source_root)
    File "/Users/user/programs/root/root-6.10.00/interpreter/llvm/src/utils/llvm-build/llvmbuild/main.py", line 91, in load_from_path
      LLVMProjectInfo.load_infos_from_path(llvmbuild_source_root))
    File "/Users/user/programs/root/root-6.10.00/interpreter/llvm/src/utils/llvm-build/llvmbuild/main.py", line 77, in recurse
      subpath)
    File "/Users/user/programs/root/root-6.10.00/interpreter/llvm/src/utils/llvm-build/llvmbuild/componentinfo.py", line 428, in load_from_path
      parser.read(path)
    File "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/backports/configparser/__init__.py", line 704, in read
      with open(filename, encoding=encoding) as fp:

  LookupError: unknown encoding:


-- Configuring incomplete, errors occurred!
See also "/Users/user/programs/root/root-6.10.00/install-build/CMakeFiles/CMakeOutput.log".
See also "/Users/user/programs/root/root-6.10.00/install-build/CMakeFiles/CMakeError.log".

Any suggestions or ideas?

Never mind I have run into this problem in the past and posted the solution:

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