William, Michael,
  I re-installed gap by compiling it in 32 bit mode and that got rid
of the error. gap, it seems doesn't support 64 bit mode. Now, I am
dealing with some startup errors such as:
 /usr/local/PET/src/build/64/sage-2.10.2/local/lib/liblinboxwrap.so.0:
undefined symbol: _gfortran_st_write

and if I can manage to get rid of this, I see others such as:
    import sage.matrix.matrix_space
  File "/usr/local/PET/src/build/64/sage-2.10.2/local/lib/python2.5/
site-packages/sage/matrix/matrix_space.py", line 42, in <module>
import matrix_integer_dense
ImportError: /usr/local/PET/src/build/64/sage-2.10.2/local/lib/
libiml.so.0: undefined symbol: cblas_dswap
>>>

Is there any site specify file where I can turn off the default
loading of some of these libraries so I can see what I need to re-
compile? The problem with ld being used in several packages is that it
expects 32 bit code. I couldn't find a ld -m64 option to generate
shared objects in 64 bits. So, I ended up using gcc -m64 -shared -o
lib.... or xlc_r -q64 -G -o lib...  instead. And some of the
dependencies need to be resolved better.

Thanks,
- Sameer


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