message: mstarch: updating Darwin Platform file
diff: ####
  # Darwin.cmake:
  #
  -# Darwin based platform file used for Darwin (Mac OS X) targets. Note: this uses Linux type targets but specifies Mac OS
  -# specific flags.
  +# Darwin based platform file used for Darwin (Mac OS X) targets. Note: this sets some OS X flags before calling into the common
  +# Linux implementations to use the posix types defined there.
  ####
  add_definitions(-DTGT_OS_TYPE_DARWIN)
  