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84 lines
2.9 KiB
Bash
84 lines
2.9 KiB
Bash
# -*- shell-script -*-
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#
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# Copyright by The HDF Group.
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# Copyright by the Board of Trustees of the University of Illinois.
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# All rights reserved.
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#
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# This file is part of HDF5. The full HDF5 copyright notice, including
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# terms governing use, modification, and redistribution, is contained in
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# the files COPYING and Copyright.html. COPYING can be found at the root
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# of the source code distribution tree; Copyright.html can be found at the
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# root level of an installed copy of the electronic HDF5 document set and
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# is linked from the top-level documents page. It can also be found at
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# http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have
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# access to either file, you may request a copy from help@hdfgroup.org.
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# This file should be sourced into configure if the compiler is the
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# MPICH compiler script. It is careful not to do anything if the compiler
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# is not MPICH.
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# Check if mpicc can support complicated derived datatype correctly.
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# We know that mpich 1.2.4 and 1.2.5 do not support it correctly. We assume
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# older versions do not work either. We don't know of a way of testing its
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# correctness without the risk of hanging the configure process. So, we
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# set the configure variable hdf5_mpi_complex_derived_datatype_works to no.
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# Notice that this code works only if the mpicc compiler shows its $MPIVERSION
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# properly. It is confirmed mpicc does that as far back as v1.2.3.
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# mpich2 do not support it correctly. But mpich2 reports small version number
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# indistiguishable from mpich. Some mpich2 reports blank, some reports 1.0.2.
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if [ -z "$hdf5_mpi_complex_derived_datatype_works" ]; then
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ccversion=`$CC -v 2>/dev/null`
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# mpich compiler will give "mpicc for 1.2.x ..."
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if echo "$ccversion" | grep '^mpicc for' > /dev/null ; then
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# $CC is an MPICH compiler. Grab the version numbers.
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ccversion=`echo $ccversion | cut -f3 -d' '`
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case "$ccversion" in
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1.2.[0-5]*)
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hdf5_mpi_complex_derived_datatype_works='no'
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;;
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1.0.2)
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# mpich2 is recycling the version number, some report
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# 1.0.2, some report blank.
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hdf5_mpi_complex_derived_datatype_works='no'
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;;
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"")
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# got blank ccversion. Assume it is bad a mpich2.
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hdf5_mpi_complex_derived_datatype_works='no'
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;;
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*)
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# assume okay
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;;
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esac
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fi
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fi
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if [ -z "$hdf5_mpi_special_collective_io_works" ]; then
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ccversion=`$CC -v 2>/dev/null`
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# mpich compiler will give "mpicc for 1.2.x ..."
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if echo "$ccversion" | grep '^mpicc for' > /dev/null ; then
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# $CC is an MPICH compiler. Grab the version numbers.
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ccversion=`echo $ccversion | cut -f3 -d' '`
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case "$ccversion" in
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1.2.[0-6]*)
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hdf5_mpi_special_collective_io_works='no'
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;;
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1.0.2)
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# mpich2 is recycling the version number, some report
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# 1.0.2, some report blank.
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hdf5_mpi_special_collective_io_works='no'
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;;
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"")
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# got blank ccversion. Assume it is bad a mpich2.
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hdf5_mpi_special_collective_io_works='no'
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;;
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*)
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# assume okay
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;;
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esac
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fi
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fi
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