Re: windows ada compiler error

[Andrew <eagletalon@chartermi.net>]

tmoran@acm.org wrote:
>>red hat 9.0 linux computer it runs just fine.. but if I try to compile
>>it on a windows xp computer I get the following error.
> 
>   I think you mean it compiles fine, but it doesn't execute fine.
> 
> 
>>raised ADA.IO_EXCEPTION.NAME_ERROR : s-fileio.adb:869
> 
>   You might look at file s-fileio.adb, line 869, and see what it's
> trying to do.  Better yet, use the Gnat facilities for printing a
> walkback so it will show what line of your program caused the problem.
> I used a compiler that prints walkbacks of user, not library, code
> and got:
> 
> ** Unhandled ADA.IO_EXCEPTIONS.NAME_ERROR
>    File not found on open - Map
> On Line Number 159 In MAZECREATE
> 
> You probably want a Create, not an Open.
> 
>   Your prof or TA should be helping you out.

i just typed man gnat and man gnatmake
what would I type to be able to read how to use the gnat facilities?
and also what would the command line be to do the walkback?