#! /bin/sh
# /*@@
#   @file      LAM
#   @date      Wed Jul 21 13:27:07 1999
#   @author    Tom Goodale
#   @desc
#              Configure Cactus to compile with the LAM version of MPI.
#   @enddesc
#   @version   $Header: /mnt/data2/cvs2svn/cvs-repositories/Cactus/lib/make/extras/MPI/LAM,v 1.5 2001-09-10 14:23:03 tradke Exp $
# @@*/

echo "LAM selected"

if test -z "$LAM_LIB_DIR" -o -z "$LAM_INC_DIR" ; then
  if test -z "$LAM_DIR" ; then
    echo "LAM selected but no LAM_DIR set... Checking some places"
    if test -d "/usr/include/lam" -a -d "/usr/lib/lam" ; then
      lam_libs="/usr/lib/lam"
      lam_includes="/usr/include/lam"
    elif test -d "/usr/local/include/lam" -a -d "/usr/local/lib/lam" ; then
      lam_libs="/usr/local/lib/lam"
      lam_includes="/usr/local/include/lam"
    else
      CCTK_Search LAM_DIR "/usr /usr/local /usr/local/lam /usr/local/packages/lam /usr/local/apps/lam" include/lam_config.h
      if test -z "$LAM_DIR" ; then
        echo "Unable to locate LAM installation - please set LAM_DIR or {LAM_INC_DIR, LAM_LIB_DIR}"
        exit 2
      fi
    fi
  fi

  # set LAM_INC_DIR if not already set
  if test -z "$LAM_INC_DIR" ; then

    : ${lam_includes="$LAM_DIR/include"}

    # search for mpi++.h which might be in an include subdirectory
    if test ! -r "$lam_includes/mpi++.h" ; then
      if test -r "$lam_includes/mpi2c++/mpi++.h" ; then
        lam_cxx_includes="$lam_includes/mpi2c++"
      elif test -r "$lam_includes/../mpi2c++/mpi++.h" ; then
        lam_cxx_includes="$lam_includes/../mpi2c++"
      fi
    fi
    LAM_INC_DIR="$lam_includes $lam_cxx_includes"

  fi

  # set LAM_LIB_DIR if not already set
  : ${lam_libs="$LAM_DIR/lib"}
  : ${LAM_LIB_DIR="$lam_libs"}

  echo "Using \"$LAM_INC_DIR\" as LAM include path"
  echo "Using \"$LAM_LIB_DIR\" as LAM library path"
fi

# LAM libs changed in versions newer than 6.4
if test -r "$LAM_LIB_DIR/libtrillium.a" ; then
  MPI_LIBS="mpi tstdio args t trillium" 
else
  MPI_LIBS="mpi lam"
fi

MPI_INC_DIRS="$LAM_INC_DIR"
MPI_LIB_DIRS="$LAM_LIB_DIR"