message: Fix the cmake build.
  There is still an issue with OutStream when using clang on Mac.
  [skip travis]
diff: list(APPEND SRCS
  array.cpp
  error.cpp
  - globalcomm.cpp
  - globalostream.cpp
  + globals.cpp
  gzstream.cpp
  isockstream.cpp
  optparser.cpp
  @@ -29,8 +28,7 @@ list(APPEND SRCS
  list(APPEND HDRS
  array.hpp
  error.hpp
  - globalcomm.hpp
  - globalostream.hpp
  + globals.hpp
  gzstream.hpp
  hash.hpp
  isockstream.hpp
  