[Spice_discussion] SPICE libraries for g77
Gregory.Fruth at aero.org
Mon Nov 10 13:38:40 PST 2008
I use C-SPICE and have recompiled that library with success on a number of different
platforms not supported by NAIF, despite the (in my opinion, unnecessarily dire) warning
on slide 3 of ftp://naif.jpl.nasa.gov/pub/naif/toolkit_docs/Tutorials/pdf/individual_docs/11_installing_toolkit.pdf
I would not expect recompiling the Fortran SPICE to be very difficult, especially since it
is already supported by g77 on MacOSX/PPC. You might want to copy the compiler settings
from the MacOSX/PPC/g77 configuration to the MacOSX/x86/ifort source code package.
If you need to cross-reference compiler options between g77 and ifort, the ifort documentation
can be found at http://www.intel.com/cd/software/products/asmo-na/eng/346462.htm. I've used
ifort on Linux and Windows and it is a really nice compiler. It should generate faster code
than g77 or gfortran.
Gregory Fruth (gregory.fruth at aero.org)
Flight Mechanics Department
The Aerospace Corporation
(310) 336-4287 phone
William Thompson wrote:
> I have a short Fortran program that I've been running under Mac OSX on
> the older PowerPC platform. It uses the SPICE libraries spicelib.a and
> support.a. I now want to port this to the new Intel Mac platform.
> However, it appears that these libraries don't work with the g77
> compiler, and require something called "ifort" which looks to be a
> commercial product. Is it possible to recompile these libraries for use
> with g77 or some other freeware Fortran compiler?
> Bill Thompson
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