ur_optimize


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#!/bin/bash
if [ ! -z "${UR_DIR}" ]; then
    echo "UREKA must not be active."
    exit 1
fi

export build_temp=/tmp/ur_optimize_build


function init_optimize
{
    if [ -d "${PREFIX}" ]; then
        echo "${PREFIX} exists. Abort."
        exit 1
    fi
    mkdir -p ${PREFIX}
    if (( $? > 0 )); then
        exit $?
    fi
    if [ -d "${build_temp}" ]; then
        deinit_optimize
    fi
    mkdir -p "${build_temp}"
    cd "${build_temp}"
}

function deinit_optimize
{
   rm -rf "${build_temp}"
}

function stage_ATLAS
{
    local url="http://sourceforge.net/projects/math-atlas/files/Stable/3.10.2/atlas3.10.2.tar.bz2"
    local tarball="$(basename ${url})"
    wget "${url}"
    tar xf "${tarball}"
}

function stage_LAPACK
{
    local url="http://www.netlib.org/lapack/lapack-3.5.0.tgz"
    local tarball="$(basename ${url})"
    wget "${url}"
    #tar xf "${tarball}"
}

function build_ATLAS
{
    local BUILDROOT=`pwd`

    stage_ATLAS
    stage_LAPACK

    cd ATLAS 
    mkdir -p BUILD && cd BUILD

    ../configure --prefix=${PREFIX} \
    --with-netlib-lapack-tarfile=${BUILDROOT}/lapack-3.5.0.tgz \
    --shared \
    -b 64 \
    -Fa alg "-fPIC -Wl,-rpath=${PREFIX}/lib,--enable-new-dtags" \
    -Si latune 1
    
    make
    make shared
    make ptshared
    make install
    
    return $?
}

function build_modules
{
    export ATLAS="${PREFIX}"
    export BLAS="${PREFIX}"
    export LAPACK="${PREFIX}"

    local packages=( numpy scipy )

    
    for package in "${packages[@]}"
    do
        yes | pip uninstall ${package}
    done
    
    for package in "${packages[@]}"
    do
        yes | pip install --upgrade --force ${package}
    done
    
    return $?
}


NO_ARGS=0
E_OPTERROR=85

if [ $# -eq "$NO_ARGS" ]; then
    echo "Usage: `basename $0` -p {ureka_installation_path}"
    exit $E_OPTERROR
fi

while getopts ":p:" opt
do
    case $opt in
        p)
        export UREKA=${OPTARG}
        ;;
        :)
        echo "-$OPTARG requires an argument (e.g. path to UREKA installation)"
        ;;
    esac
done

shift $(($OPTIND - 1))


# Begin main script

set -x
export PREFIX="${UREKA}/ext"

init_optimize

build_ATLAS
if (( $? > 0 )); then
    echo "ATLAS build failed. Abort."
    exit 1
fi

# Initialize UREKA for building modules
eval `${UREKA}/bin/ur-setup-real -sh`

# Configure build environment variables to avoid UREKA entirely
# - ABSOLUTELY REQUIRED -
export F77="gfortran"
export F2C=""
export CC="/usr/bin/gcc"
export CXX="/usr/bin/g++"
export CPP=${CXX}

build_modules
if (( $? > 0 )); then
    echo "Python module builds failed. Abort."
    exit 1
fi

deinit_optimize