install-graphviz.sh

#!/bin/bash -e

#-------------------------------------------------------------------------------
# Default values
#-------------------------------------------------------------------------------
: ${GRAPHVIZ_VERSION:=$1}

echo "[INFO] Graphviz  '$GRAPHVIZ_VERSION'"

GCC_VERSION="$(gcc -dumpversion)"

: ${DESTDIR:=$(pwd)}
: ${PREFIX:=${DESTDIR}/${GRAPHVIZ_VERSION}/gcc/${GCC_VERSION}}
: ${WORKSPACE:=${PREFIX}/workspace}

#-------------------------------------------------------------------------------
# Sanity Checks
#-------------------------------------------------------------------------------
if [ -z "${GRAPHVIZ_VERSION}" ]; then
  echo "Usage: $0 <version: x.xx.x>"
  exit 1
fi

#-------------------------------------------------------------------------------
# Meta Information
#-------------------------------------------------------------------------------
GRAPHVIZ_SRCDIR="${WORKSPACE}/graphviz-${GRAPHVIZ_VERSION}"
GRAPHVIZ_TARBALL="graphviz-${GRAPHVIZ_VERSION}.tar.gz"
GRAPHVIZ_DOWNLOAD_URL="http://www.graphviz.org/pub/graphviz/stable/SOURCES/${GRAPHVIZ_TARBALL}"


#-------------------------------------------------------------------------------
# Workspace
#-------------------------------------------------------------------------------
mkdir -p "${WORKSPACE}" || exit 1
pushd    "${WORKSPACE}" || exit 1

#-------------------------------------------------------------------------------
# [LLVM] Download and unpack
#-------------------------------------------------------------------------------
if [ ! -f "$GRAPHVIZ_TARBALL" ]; then
    echo "[INFO] Downloading GRAPHVIZ '$GRAPHVIZ_DOWNLOAD_URL'"
    wget --no-check-certificate "$GRAPHVIZ_DOWNLOAD_URL" || exit 1
else
    echo "[INFO] [SKIP] Graphviz tarball already exists: '$GRAPHVIZ_TARBALL'"
fi

if [ ! -d "$GRAPHVIZ_SRCDIR" ]; then
    echo "[INFO] Unpacking Graphviz tarball: '$GRAPHVIZ_TARBALL'"
    tar xvzf "${GRAPHVIZ_TARBALL}"
else
    echo "[INFO] [SKIP] Graphviz source code already exists: '$GRAPHVIZ_SRCDIR'"
fi

#-------------------------------------------------------------------------------
# Build and install
#-------------------------------------------------------------------------------
cd "${GRAPHVIZ_SRCDIR}"

if [ ! -e "${PREFIX}/bin" ]; then
    echo "[INFO] Configuring Graphviz"
    echo "[INFO] Installing to '$PREFIX'"

    "${GRAPHVIZ_SRCDIR}/configure" --prefix="$PREFIX" || exit 1

    make -j || exit 1
    make -j install || exit 1

    echo "[INFO] Creating Graphviz environment setup file"
    cat > "${PREFIX}/setup.sh" <<-EOF
#!/bin/bash
#
# Automatically generated by $0 on $(date)
export GRAPHVIZ_VERSION="${GRAPHVIZ_VERSION}"
export GRAPHVIZ_HOME="${PREFIX}"
export PATH="\${GRAPHVIZ_HOME}/bin:\${PATH}"

export GRAPHVIZ_GCC_VERSION="${GCC_VERSION}"
EOF

    #-----------------------------------------------
    # Set Permissions
    #-----------------------------------------------
    echo "[INFO] Setting group permissions of '${PREFIX}'"
    chmod -R g+r "${PREFIX}"
    find "${PREFIX}" -type d -exec chmod g+x {} \;
fi