[Nauty] installing nauty

[Brendan McKay]

* Delavina, Ermelinda <DelavinaE at uhd.edu> [040313 12:04]:
> Once ./configure begins, the following messages are reported
>  
> loading cache ./config.cache
> checking host system type... configure: error: can not guess host type: you
> must specify one.
> Does anyone have a suggestion on how to settle this error?

Try this:

 ./configure --host=i686

If you have an older PC (Pentium 2), use i586 instead; but it might
not matter as this information is hardly used.

If neither of those work, try
  ./configure --host=unknown

Brendan.