sparc64/-m64 support?

[Nathan Myers]

On Wed, Dec 19, 2001 at 11:36:34PM +0000, Nathan Myers wrote:
> I have been scouring the docs for details about building gcc --
> specifically, g++ and libstdc++ -- to produce sparc64 binaries.
> 
> Who has experience with building and using g++ to compile runnable
> "-m64" binaries?  In particular,
> 
> 1. What surprises are in store, and what should I expect not to work?  
> 2. Do I need any special options besides "-m64" (e.g. "-mcpu=ultrasparc")?
> 3. Do I need any special configure options, binutils versions, etc?  
> 4. Will Solaris 8 ld work for 3.0.3?

I have since found http://gcc.gnu.org/gcc-3.0/buildstat.html , with
the line at the bottom 

   sparc-sun-solaris2.* (64 bits)   Not supported

So, what is missing to enable support on Solaris?

Nathan Myers
ncm at cantrip dot org