#!/bin/sh
# installation script for Mercurium Compiler + Nanons++
#
# Christoph Niethammer <niethammer@hlrs.de> (C) 2011
#
 
# exit on any error!
set -e

# directory containing the source tar files
SRC_POOL="$HOME/src"

# basic installation directory
PREFIX_BASE=${PREFIX_BASE:=$HOME/bin}

# compiler to use
# (gnu|intel|pgi)
COMPILER=${COMPILER:=gnu}
# use specific compiler version
COMPILER_VERSION=${COMPILER_VERSION:=}

# package to build
CATEGORY="compiler"
PACKAGE="mcxx-nanox"
VERSION="master"
PACKAGE_DESCRIPTOR=${PACKAGE_DESCRIPTOR:="$(date +%Y-%m-%d)"}

# add a descriptor at the end of the installation path e.g. for special config options etc.
PACKAGE_DESCRIPTOR=${PACKAGE_DESCRIPTOR:+-$PACKAGE_DESCRIPTOR}

mcxx_src_dir="$SRC_POOL/mcxx/mcxx.git"
nanox_src_dir="$SRC_POOL/nanox/nanox.git"

# enable instrumentation (no|yes)
instrumentation=${instrumentation:="no"}

# Compiler specifications

if [ "x${COMPILER_VERSION}" != "x" ]
then
    COMPILER_MODULE=compiler/${COMPILER}/${COMPILER_VERSION}
else
	COMPILER_MODULE=compiler/${COMPILER}
fi

echo "Loading compiler module ${COMPILER_MODULE}"
module load ${COMPILER_MODULE}

case ${COMPILER} in
    gnu)
        COMPILER_OPTS="CC=gcc CXX=g++ FC=gfortran F77=gfortran"
        COMPILER_VERSION=$(gcc -dumpversion)
        ;;
    intel)
        COMPILER_OPTS="CC=icc CXX=icpc FC=ifort F77=ifort"
        COMPILER_VERSION=$(icc -dumpversion)
        ;;
    pgi)
	    COMPILER_OPTS="CC=pgcc CXX=pgCC FC=pgf95 F77=pgf77"
	    COMPILER_VERSION=$(pgcc -V |  awk '/pgcc/{print $2}')
	    ;;
    *)
        echo "Unknown compiler ${COMPILER}."
        ;;
esac

if [ "$instrumentation" = "yes" ]; then
    module load performance/extrae
    echo "Building with EXTRAE_HOME=$EXTRAE_HOME"
    sleep 2
    withextrae="--with-extrae=$EXTRAE_HOME"
fi


PREFIX="${PREFIX_BASE}/${CATEGORY}/${PACKAGE}/${VERSION}-${COMPILER}-${COMPILER_VERSION}${PACKAGE_DESCRIPTOR}"
echo "PREFIX: $PREFIX"
sleep 2



fail ()
{
  echo
    echo "Installation failed"
    echo "Check $LOGFILE to find what went wrong"
    exit  1
}

make_package ()
{
    local dir=$1
    shift

    cd $dir

    echo -n "configuring... "
    if [[ -d build ]] ; then 
        rm -rf build
    fi
    mkdir build
    cd build
    ../configure --prefix=$PREFIX $* || fail
    echo -n "compiling... "
    make || fail
    echo -n "installing... "
    make install || fail
    cd ..
    echo "Success"
}


cd $nanox_src_dir
rm -rf autom4te.cache
#git pull
git checkout master
./autogen.sh
nanox_version=$(git rev-list -n 1  master)


cd $mcxx_src_dir
rm -rf autom4te.cache
#git pull
git checkout master
./autogen.sh
mcxx_version=$(git rev-list -n 1  master)

PREFIX="${PREFIX_BASE}/${CATEGORY}/${PACKAGE}/${VERSION}-${COMPILER}-${COMPILER_VERSION}${PACKAGE_DESCRIPTOR}"

echo -n "Installing Nanos++ runtime library... "
make_package  $nanox_src_dir $withextrae $cudadir
echo -n "Installing Mercurium compiler... "
make_package  $mcxx_src_dir --enable-openmpt

echo "mcxx:   $mcxx_version"  >  $PREFIX/VERSION.txt
echo "nanox:  $nanox_version" >> $PREFIX/VERSION.txt

echo "Environment installed successfully"



module unload compiler

cat <<EOF
##############################################################################
# IMPORTANT!
##############################################################################
# To complete the installation please run the follwoing command:
#module load ${COMPILER_MODULE}
#cd ${BUILDDIR}
#make install 2>&1 | tee make_install.log
#bzip2 *.log
#mv *.log.bz2 ${PREFIX}/
cd ${PREFIX}
chmod -R g+rwX .
chmod -R o+rX .
# Finally do not forget to provide a module file!
##############################################################################
EOF

exit 0