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@ -102,16 +102,6 @@ of mpich in use is the one compiled with the gnu42 compilers.
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After the configure script has completed you can always tweak the
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Make.inc file yourself.
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An annoying problem exists with some versions of MPICH: the configure
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script will set -DMPI_MOD, which is to say, the MPI call interfaces
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will be resolved by using the MPI Fortran module. However usage of the
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module may cause compilation to fail if coupled with the debugging
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option -ggdb, because the compiler complains that it cannot find any
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matching interface.
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The solution: either take out the -ggdb option, or, if you really need
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to debug, force -DMPI_H in place of -DMPI_MOD.
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As a backup alternative, you can always choose a Make.inc.XXX file in
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directory Make that fits your compilers, modify the paths to libraries
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to match your installation and copy it to Make.inc in the top
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@ -126,6 +116,21 @@ libraries will be installed under /path/lib, while the module files
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will be installed under /path/include.
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KNOWN ISSUES.
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An annoying problem exists with some versions of MPI: if the configure
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script sets -DMPI_MOD the MPI call interfaces will be resolved by
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using the MPI Fortran module.
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However usage of the module may cause compilation to fail when
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coupled with the debugging option -g, because the compiler complains
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that it cannot find a matching interface for some of the
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communication routines.
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The solution: either take out the -g option, or, if you really need to
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debug, force -DMPI_H in place of -DMPI_MOD.
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SERIAL: We now provide an (experimental) option to run in serial
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mode. This has only been tested with GCC but it should work
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with the others as well. In serial mode you don't need the
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