MPICH 1.2.4 and LAM 6.5.6 both use WORDS_BIGENDIAN
lam_config.h does:
#ifndef WORDS_BIGENDIAN
#define WORDS_BIGENDIAN 0
#endif
and the MPE source does:
#ifndef WORDS_BIGENDIAN
See the problem here? For a little endian machine the LAM source #def's
WORDS_BIGENDIAN, and then MPICH sees that it is defined and compiles for a
big endian machine.
We are using a "little endian" intel box and noticed that the MPE traces
were complete garbage. Replacing WORDS_BIGENDIAN with MPE_WORDS_BIGENDIAN
in the MPICH source fixed the problem and now LAM/MPE are working fine.
Mark
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