anchor.diff:  
   "%FSC%" -g -a --keyfile:keyfile.snk                                           MyTPDesignTime.fs
   "%FSC%" -g -a --keyfile:keyfile.snk --define:WITHDLLEXT -r:MyTPDesignTime.dll MyTPRuntime.fs
  -"%GACUTIL%" /uf MyTPDesignTime
  +%GACUTIL% /uf MyTPDesignTime
   goto :EOF
   
   
  
positive.code: 
  "%FSC%" -g -a --keyfile:keyfile.snk                                           MyTPDesignTime.fs
  "%FSC%" -g -a --keyfile:keyfile.snk --define:WITHDLLEXT -r:MyTPDesignTime.dll MyTPRuntime.fs
  "%GACUTIL%" /if MyTPDesignTime.dll
  del MyTPDesignTime.dll
  goto :EOF
  
  
negative.code: 
  "%FSC%" -g -a --keyfile:keyfile.snk                                           MyTPDesignTime.fs
  "%FSC%" -g -a --keyfile:keyfile.snk --define:WITHDLLEXT -r:MyTPDesignTime.dll MyTPRuntime.fs
  %GACUTIL% /uf MyTPDesignTime
  del MyTPDesignTime.dll
  goto :EOF
  
  