#!/bin/bash

source ./make.mvapich.def
arch

# Mandatory variables.  All are checked except CXX and F90.
MTHOME=/usr/local/ibgd/driver/infinihost
PREFIX=/ixdata/IX_Software/mvapich
export CC=gcc
export CXX=g++
export F77=g77
export F90=

if [ $ARCH = "SOLARIS" ]; then
    die_setup "MVAPICH VAPI is not supported on Solaris."
elif [ $ARCH = "MAC_OSX" ]; then
    MTHOME=/usr/SmallTree
    export PATH=$PATH:/opt/ibmcmp/xlf/8.1/bin
    export FC=xlf
    export F90=xlf90
    export MAC_OSX=yes
    SUPPRESS="-multiply_defined suppress"
fi

# Check mandatory variable settings.
if [ -z "$MTHOME" ] || [ -z "$PREFIX" ] || [ -z "$CC" ] || [ -z "$F77" ]; then
    die_setup "Please set mandatory variables in this script."
elif [ ! -d $MTHOME ]; then
    die_setup "MTHOME directory $MTHOME does not exist."
elif [ $ARCH = "_EM64T_" ] || [ $ARCH = "_X86_64_" ]; then
    if [ -d $MTHOME/lib64 ]; then
	MTHOME_LIB=$MTHOME/lib64
    elif [ -d $MTHOME/lib ]; then
	MTHOME_LIB=$MTHOME/lib
    else
	die_setup "Could not find the MTHOME/lib64 or MTHOME/lib directory."
    fi
elif [ -d $MTHOME/lib ]; then
    MTHOME_LIB=$MTHOME/lib
else
    die_setup "Could not find the MTHOME/lib directory."
fi

# Optional variables.  Most of these are prompted for if not set.
#

# Whether to enable ROMIO support.  This is necessary if building the
# F90 modules.
if [ -n "$F90" ]; then
    ROMIO="--with-romio"
else
    ROMIO=${ROMIO:---without-romio}
fi

# I/O Bus type.
# Supported: "_PCI_X_" and "_PCI_EX_"
IO_BUS=

if [ -z "$IO_BUS" ]; then
    prompt_io_bus
fi

# Link speed rate.
# Supported: "_DDR_" and "_SDR_" (PCI-Express)
#            "_SDR_" (PCI-X)
LINKS=

if [ -z "$LINKS" ]; then
    prompt_link
fi

# Whether to use an optimized queue pair exchange scheme.  This is not
# checked for a setting in in the script.  It must be set here explicitly.
# Supported: "-DUSE_MPD_RING", "-DUSE_MPD_BASIC" and "" (to disable)
HAVE_MPD_RING=""

# Set this to override automatic optimization setting (-03).
OPT_FLAG=

if [ -z $OPT_FLAG ]; then
    OPT_FLAG=-O3
fi

export LIBS="-L${MTHOME_LIB} -lmtl_common -lvapi -lpthread -lmosal -lmpga $SUPPRESS"
export FFLAGS="-L${MTHOME_LIB}"
export CFLAGS="-D${ARCH} -DEARLY_SEND_COMPLETION -DSRQ -DADAPTIVE_RDMA_FAST_PATH \
               -DVIADEV_RPUT_SUPPORT -DLAZY_MEM_UNREGISTER -D_SMP_ -D_SMP_RNDV_ \
               -fPIC $SUPPRESS -D${IO_BUS} -D${LINKS} \
               ${HAVE_MPD_RING} -I${MTHOME}/include $OPT_FLAG"

# Prelogue
make distclean &>/dev/null
set -o pipefail

# Configure MVAPICH

echo "Configuring MVAPICH..."

./configure --with-device=vapi --with-arch=LINUX -prefix=${PREFIX} \
	$ROMIO --without-mpe \
   	-lib="-L${MTHOME_LIB} -lmtl_common -lvapi -lmosal -lmpga -lpthread" \
    	2>&1 |tee config-mine.log
ret=$?
test $ret = 0 ||  die "configuration."

# Build MVAPICH
echo "Building MVAPICH..."
make 2>&1 |tee make-mine.log 
ret=$?
test $ret = 0 ||  die "building MVAPICH."

# Install MVAPICH
echo "MVAPICH installation..."
rm -f install-mine.log 
make install 2>&1 |tee install-mine.log
ret=$?
test $ret = 0 ||  die "installing MVAPICH."