úÎ@ê/A list of all possible operating system types. Any sufficiently " Unix-like" system. #Some version of Microsoft Windows. 9The type of operating system under which we are running.  The name of the compiler (e.g., "GHC"), or "Unknown" if  this could not be detected. .The numerical version string for the compiler  (e.g., "6.10.2"), or "" if this could not be detected. AC-BuildPlatform-1.1.0System.PlatformOS_TypeUnix MS_Windowsos_type compiler_namecompiler_version