#!/bin/bash -l
set -ev  # exit on any error; echo commands 

# this script requires two variables $GIT_COMMIT and $TARGET. 
# The former spcifies with git commit to install, the latter
# specifies the target system, ie "laki" or "hermit".
if [ -z ${GIT_COMMIT} ]; then 
    echo "Need to define variable GIT_COMMIT on commandline .. exiting.";
    exit 1;
fi

if [ -z ${TARGET} ]; then 
    echo "Need to define variable TARGET on commandline .. exiting.";
    exit 1;
fi

if [ ${TARGET} = "laki" ]; then 
    echo "Building for laki."
else 
    if [ ${TARGET} = "hermit" ]; then
	echo "Building for hermit."
    else
	echo "TARGET needs to be hermit or laki ... exiting."
	exit 1
    fi
fi

# ok, we are good to go
STARSS_OPT_DIR=/sw/${TARGET}/hlrs/StarSs
STARSS_VERSION=2.3_c${GIT_COMMIT}-gnu-4.5
STARSS_DIR=${STARSS_OPT_DIR}/${STARSS_VERSION}

WORK_DIR=${HOME}/src

# clean up mess from previous builds
cd ${WORK_DIR}; rm -rf hlrs-text StarSs_c${GIT_COMMIT}
if [ ${TARGET} = "laki" ]; then
    rm -f StarSs_c${GIT_COMMIT}.tar
fi 


# load modules 
if [ ${TARGET} = "laki" ]; then
    module load compiler/gnu/4.5
    module use /opt/amtopt/autotools/modulefiles
    module load local
fi

if [ ${TARGET} = "hermit" ]; then
    module swap $(module list -l 2>&1 | awk '/^PrgEnv-/{print $1}') PrgEnv-gnu
fi

# prep git repo, needs hlrs-gitolite in .ssh/config and ssh key
cd ${WORK_DIR}

if [ ${TARGET} = "laki" ]; then
    git clone hlrs-gitolite:hlrs-text
    cd hlrs-text
    git checkout -b ayudame origin/ayudame
    cd ProgModel/SMPSs_repository/starss
    git archive --format=tar --prefix=StarSs_c${GIT_COMMIT}/ -o ${WORK_DIR}/StarSs_c${GIT_COMMIT}.tar ${GIT_COMMIT} .
fi

# unpack, configure and build
cd ${WORK_DIR}
tar xvf StarSs_c${GIT_COMMIT}.tar
cd StarSs_c${GIT_COMMIT}

autoreconf -fiv 2>&1 | tee autoreconf.log
./configure --prefix=$STARSS_DIR \
            --with-flavour=smp \
            --enable-comm-thread \
            --enable-ayudame
gzip autoreconf.log; gzip config.log

make 2>&1 | tee make.log
rm -rf ${STARSS_DIR}; make install 2>&1 | tee make_install.log
gzip make.log ; gzip make_install.log

# save logs
cp -a autoreconf.log.gz config.log.gz make.log.gz make_install.log.gz $STARSS_DIR

# copy header files
mkdir $STARSS_DIR/include/master
cp -a master/*.h $STARSS_DIR/include/master/

# setup smpss-cc.conf
if 
if [ ${TARGET} = "hermit" ]; then
    cd $STARSS_DIR/etc
    cp -a smpss-cc.conf smpss-cc.conf_orig
    cat smpss-cc.conf | \
	sed "s/^compiler =.*/compiler = cc/" | \
	sed "s/^linker =.*/linker = CC/" | \
	sed "s/^linker_parameters =.*/\0 -dynamic/" | \
	sed "s/^fortran_compiler =.*/fortran_compiler = ftn/" | \
	sed "s/^fortran_libs =.*/#\0\nfortran_libs = -lm/" \
        >> smpss-cc.conf_next
    mv smpss-cc.conf_next smpss-cc.conf
fi


# do module
cd $STARSS_OPT_DIR
chmod -R g=u $STARSS_VERSION
chmod -R o=u $STARSS_VERSION 
chmod -R o-w $STARSS_VERSION

cd modulefiles
cat 2.3_testing-gnu-4.5 | \
    sed "s/set  VERSION.*/set  VERSION         ${STARSS_VERSION}/" | \
    sed "s/  Installed.*/ Installed  `date`/" > ${STARSS_VERSION}
chmod 664 ${STARSS_VERSION}
rm 2.3_testing-gnu-4.5
ln -s ${STARSS_VERSION} 2.3_testing-gnu-4.5