# hello
#-/-!/bin/sh
# we're supposed to set:
# MPI, MPI_HOME, MPIRUN, MPILIB, MPILDFLAGS, MPICC, MPICXX
# FIXME

# see if we're running from config/ directly instead of by inclusion in
# configure. configure defines CCAFE_MPI_HUNT.
if test -z "$CCAFE_MPI_HUNT" ; then
   host_os=`uname -s`
   . mpihome.guess
fi

# look up host-specific stuff we know, then stuff from host info
mdone=no
case $HOST in
    sass3065-atm)
        MPI_ARCH=solaris
        ARCH=solaris
        MPI=/usr/local/mpi
        MPIRUN=$MPI/mpirun
        MPI_HOME=$MPI
        MPI_LDFLAGS="-L/opt/SUNWspro/SC4.2/lib -lnsl -lsocket -lM77 -lF77 -lsunmath"
        MPILIB="-L$MPI/lib/solaris/ch_p4 -lmpi"
        mdone=yes
    ;;
    teepee|teepee.ca.sandia.gov|gs|gs.ca.sandia.gov)
        MPI_ARCH=LINUX
        MPI=/usr/local/mpich
        MPIRUN=$MPI/mpirun
        MPI_HOME=$MPI
        if test -d "$MPI/build/$ARCH/ch_p4" ; then
            MPI_LDFLAGS="-L$MPI/build/$ARCH/ch_p4/lib -lmpich -lmpich"
            MPICXX="$CXX -I$MPI/include -I$MPI/build/$ARCH/ch_p4/include"
        else
            MPI_LDFLAGS="-L$MPI/lib -lmpich -lmpich"
            MPI_INCLUDES="-I$MPI/include -I$MPI/include/mpi2c++"
        fi
        MPICC=$MPICXX
        mdone=yes
    ;;
    blue.llnl.gov)
        MPICC=mpcc
        MPICXX=mpCC
        MPI_LDFLAGS=""
        MPIRUN=FIXME_FOLKLORE
        mdone=yes
    ;;
esac

if test "X$mdone" = Xno ; then
    if test ! "X$MPI" = X ; then
        case $host_os in
            linux-gnu|LINUX|Linux)
                MPI_ARCH=LINUX
                ARCH=LINUX
                MPI=/usr/local/mpich
                MPIRUN=$MPI/mpirun
                MPI_HOME=$MPI
                if test -d "$MPI/build/$ARCH/ch_p4" ; then
                    MPI_LDFLAGS="-L$MPI/build/$ARCH/ch_p4/lib -lmpich -lmpich"
                    MPI_INCLUDES="-I$MPI/include -I$MPI/build/$ARCH/ch_p4/include"
                else
                    MPI_LDFLAGS="-L$MPI/lib -lmpich -lmpich"
                    MPI_INCLUDES="-I$MPI/include -I$MPI/include/mpi2c++"
                fi
            ;;
            solaris)
                MPI_ARCH=solaris
                ARCH=solaris
                MPI=/usr/local/mpi
                MPIRUN=$MPI/mpirun
                MPI_HOME=$MPI
                MPI_LDFLAGS="-L$MPI/build/$ARCH/ch_p4/lib -lmpich++ -lmpich -lmpich -lsocket -lnsl -lnsl"
                MPI_INCLUDES="-I$MPI/include -I$MPI/build/$ARCH/ch_p4/include"
            ;;
        esac
    fi
fi


# try compile
# if bad, make mpi no
if test "X$MPICC" = Xbroken ; then
    MPICC="$CC $MPI_INCLUDES"
fi


# try compile with $MPI_LDFLAGS at end
# if bad, make mpi no
if test "X$MPICXX" = Xbroken ; then
    MPICXX="$CXX $MPI_INCLUDES"
fi

if test -z "$CCAFE_MPI_HUNT" ; then
    echo "MPI=$MPI"
    echo "MPI_HOME=$MPI_HOME"
    echo "MPI_ARCH=$MPI_ARCH"
    echo "ARCH=$ARCH"
    echo "MPIRUN=$MPIRUN"
    echo "MPICC=$MPICC"
    echo "MPICXX=$MPICXX"
    echo "MPI_LDFLAGS=$MPI_LDFLAGS"
    echo "MPILIB=$MPILIB"
fi