anchor.diff:  )
   
   if defined __SkipMscorlibBuild if defined __MscorlibOnly (
  -    echo Error: option 'skipmscorlib' is incompatible with 'freebsdmscorlib', 'linuxmscorlib', 'osxmscorlib', and 'windowsmscorlib'.
  +    echo Error: option 'skipmscorlib' is incompatible with 'freebsdmscorlib', 'linuxmscorlib', 'netbsdmscorlib', 'osxmscorlib' and 'windowsmscorlib'.
       goto Usage
   )
   
  
positive.code: 
  if /i "%1" == "freebsdmscorlib"     (set __MscorlibOnly=1&set __BuildOS=FreeBSD&shift&goto Arg_Loop)
  if /i "%1" == "linuxmscorlib"       (set __MscorlibOnly=1&set __BuildOS=Linux&shift&goto Arg_Loop)
  if /i "%1" == "osxmscorlib"         (set __MscorlibOnly=1&set __BuildOS=OSX&shift&goto Arg_Loop)
  if /i "%1" == "windowsmscorlib"     (set __MscorlibOnly=1&set __BuildOS=Windows_NT&shift&goto Arg_Loop)
  
  
negative.code: echo clean: force a clean build ^(default is to perform an incremental build^).
  echo docrossgen: do a crossgen build of mscorlib.
  echo msbuildargs ... : all arguments following this tag will be passed directly to msbuild.
  echo mscorlib version: one of freebsdmscorlib, linuxmscorlib, netbsdmscorlib, osxmscorlib,
  echo     or windowsmscorlib. If one of these is passed, only mscorlib is built,
  echo     for the specified platform ^(FreeBSD, Linux, NetBSD, OS X or Windows,
  echo     respectively^).
  echo priority ^<N^> : specify a set of test that will be built and run, with priority N.
  echo sequential: force a non-parallel build ^(default is to build in parallel
  