autotools/m4/check_openmpi.m4

   1 dnl Copyright (C) 2007-2022  CEA/DEN, EDF R&D, OPEN CASCADE
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   3 dnl This library is free software; you can redistribute it and/or
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   5 dnl License as published by the Free Software Foundation; either
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   8 dnl This library is distributed in the hope that it will be useful,
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  10 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11 dnl Lesser General Public License for more details.
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  14 dnl License along with this library; if not, write to the Free Software
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  17 dnl See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  18 dnl
  19
  20 AC_DEFUN([CHECK_OPENMPI],[
  21 AC_ARG_WITH(openmpi,
  22             AC_HELP_STRING([--with-openmpi=DIR],[root directory path of openmpi installation]),
  23             WITHOPENMPI="yes",WITHOPENMPI="no")
  24
  25 MPI_INCLUDES=""
  26 MPI_LIBS=""
  27 mpi_ok=no
  28
  29 if test "$WITHOPENMPI" = yes; then
  30
  31   OPENMPI_HOME=$withval
  32
  33   if test "$OPENMPI_HOME"; then
  34     if test -f "${OPENMPI_HOME}/include/mpi.h"; then
  35       MPI_INCLUDES="-I${OPENMPI_HOME}/include"
  36     else
  37       MPI_INCLUDES=`$OPENMPI_HOME/bin/mpicxx --showme:compile`
  38     fi
  39     dnl Small modification for native debian-based distributions
  40     if test "$OPENMPI_HOME" = "/usr/lib/openmpi"; then
  41       MPI_LIBS=`mpicxx --showme:link`
  42     else
  43       MPI_LIBS=`$OPENMPI_HOME/bin/mpicxx --showme:link`
  44     fi
  45   fi
  46
  47   CPPFLAGS_old="$CPPFLAGS"
  48   CPPFLAGS="$MPI_INCLUDES $CPPFLAGS"
  49   AC_CHECK_HEADER(mpi.h,WITHOPENMPI="yes",WITHOPENMPI="no")
  50   CPPFLAGS="$CPPFLAGS_old"
  51
  52   LIBS_old="$LIBS"
  53   LIBS="-L${OPENMPI_HOME}/lib $LIBS"
  54   AC_CHECK_LIB(mpi,MPI_Publish_name,WITHMPI2="yes",WITHMPI2="no")
  55   LIBS="$LIBS_old"
  56
  57   AC_MSG_CHECKING(for openmpi)
  58   if test "$WITHOPENMPI" = "yes";then
  59      mpi_ok=yes
  60      mpi2_ok=$WITHMPI2
  61      WITHMPI=yes
  62      CPPFLAGS="-DOMPI_IGNORE_CXX_SEEK -DWITHOPENMPI $CPPFLAGS"
  63      AC_MSG_RESULT(yes)
  64   else
  65      mpi_ok=no
  66      mpi2_ok=no
  67      WITHMPI=no
  68      AC_MSG_RESULT(no)
  69   fi
  70 fi
  71 ])dnl
  72