I have LAM 6.3.1 and LAM 6.5.9 installed. My 6.3.1 is based on Sun cc and
f77. My 6.5.9 is based on gcc and g77.
In lib/libmpi.a in 6.3.1, I have a function called mpi_isend_ (one single
underscore at the end), for example. In lib/liblamf77mpi.a in 6.5.9 I have
mpi_isend__ (two underscores at the end); there is no mpi_isend_ (one single
underscore at the end) in any of the files in /lib.
Does this create any compatibility problem? I did not try to actually run
any application to test it. My friend advised me that I need to make sure I
have the same mpi_isend_ (one single underscore at the end) in 6.5.9;
otherwise my code for 6.3.1 may not run on 6.5.9, and that I may need to
compile 6.5.9 using some flag like -no-underscoring so that the function in
its libraray would have only one underscore. Is this true? Thank you very
much.
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