> 
> http://www.netbsd.org/Documentation/software/packages.html lists a
> number of binary bootstrap kits for various versions of Solaris _except_
> Solaris 10 ... what would be the best method for creating such a kit? I
> have SUNWspro and would prefer to use that initially as our version of
> gcc is ... old ... :)

Look at :
http://http://public.enst.fr/pkgsrc/packages/bootstrap-pkgsrc/

You will found a number a recent bootstrap for pkgsrc and Solaris10
but with gcc 3.4.3.

I build for sparc/sparc64 x86_64/i386
The x86_64 is specific.

Have fun 
Gilles