adm_local_without_kernel/unix/config_files/check_openmpi.m4

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  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     MPI_LIBS=`$OPENMPI_HOME/bin/mpicxx --showme:link`
  40   fi
  41
  42   CPPFLAGS_old="$CPPFLAGS"
  43   CPPFLAGS="$MPI_INCLUDES $CPPFLAGS"
  44   AC_CHECK_HEADER(mpi.h,WITHOPENMPI="yes",WITHOPENMPI="no")
  45   CPPFLAGS="$CPPFLAGS_old"
  46
  47   if test "$WITHOPENMPI" = "yes";then
  48     LDFLAGS_old="$LDFLAGS"
  49     LDFLAGS="$MPI_LIBS $LDFLAGS"
  50     AC_CHECK_LIB(mpi,MPI_Init,WITHOPENMPI="yes",WITHOPENMPI="no")
  51     AC_CHECK_LIB(mpi,MPI_Publish_name,WITHMPI2="yes",WITHMPI2="no")
  52     LDFLAGS="$LDFLAGS_old"
  53   fi
  54
  55   AC_MSG_CHECKING(for openmpi)
  56   if test "$WITHOPENMPI" = "yes";then
  57      mpi_ok=yes
  58      mpi2_ok=$WITHMPI2
  59      WITHMPI=yes
  60      CPPFLAGS="-DOMPI_IGNORE_CXX_SEEK -DWITHOPENMPI $CPPFLAGS"
  61      AC_MSG_RESULT(yes)
  62   else
  63      mpi_ok=no
  64      mpi2_ok=no
  65      WITHMPI=no
  66      AC_MSG_RESULT(no)
  67   fi
  68 fi
  69 ])dnl
  70