How to configure -m64 for 3.1 on sparc?

[Brad Lucier]

Alexandre Oliva wrote:
> 
> On Apr  7, 2001, lucier@math.purdue.edu wrote:
> 
> > Reading specs from /pkgs/gcc-2.96/lib/gcc-lib/sparc-sun-solaris2.8/3.1/specs
> 
> > cc1: -m64 is not supported by this configuration
> 
> Try sparcv9-sun-solaris2.8.  Or sparc64-....

How? ../configure --target=sparcv9-sun-solaris2.8?