[Spice_discussion] Using Icy on Solaris

[Ed Wright]

To: William Thompson
From: Ed Wright, Icy Developer


On Sep 16, 2005, at 12:18 PM, William Thompson wrote:

> Dear SPICE folks:
>
> The Icy documentation includes the statement below about 32-bit versus 
> 64-bit. I don't personally have a Sun to test it out on, but I had a 
> user run into this problem when he tried to use an IDL routine I had 
> written.  I notice that there are actually two different Sun builds, 
> one using the gcc compiler, and the other using the native Sun C 
> compiler.  Do both versions have this limitation?

Yes. The Icy libraries compiles to a 32 bit form under both gcc and the 
Sun cc. For either Icy distribution, you must invoke IDL with the -32 
option on a Sun.


> Can one get around it by recompiling?

No and Yes.

No, simply recompiling Icy with 64 bit options will not allow use of 
the 64 bit IDL. Icy is not 64 bit clear (yet) also the corresponding 
cspice library would need a recompile to 64 bit form.

Yes, it is possible to do so, but NAIF does not currently offer a 64 
bit Icy.

As always,
Ed Wright
ed.wright at jpl.nasa.gov
1-818-354-0371

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