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path: root/scripts/get-and-build-libndpi.sh
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#!/usr/bin/env bash

set -e

GITHUB_FALLBACK_URL='https://github.com/ntop/nDPI/archive/refs/heads/dev.zip'

LOCKFILE="$(realpath "${0}").lock"
touch "${LOCKFILE}"
exec 42< "${LOCKFILE}"
flock -x -n 42 || {
    printf '%s\n' "Could not aquire file lock for ${0}. Already running instance?" >&2;
    exit 1;
}

if [ ! -z "${CC}" ]; then
    HOST_TRIPLET="$(${CC} ${CFLAGS} -dumpmachine)"
fi

cat <<EOF
------ environment variables ------
HOST_TRIPLET=${HOST_TRIPLET}
CC=${CC:-}
CXX=${CXX:-}
AR=${AR:-}
RANLIB=${RANLIB:-}
PKG_CONFIG=${PKG_CONFIG:-}
CFLAGS=${CFLAGS:-}
LDFLAGS=${LDFLAGS:-}
ADDITIONAL_ARGS=${ADDITIONAL_ARGS:-}
MAKE_PROGRAM=${MAKE_PROGRAM:-}
DEST_INSTALL=${DEST_INSTALL:-}
-----------------------------------
EOF

set -x

cd "$(dirname "${0}")/.."
if [ -d ./.git ]; then
    git submodule update --init ./libnDPI
else
    set +x
    printf '%s\n' '-----------------------------------'
    printf 'WARNING: %s is supposed to be a GIT repository. But it is not.\n' "$(realpath $(dirname "${0}")/..)"
    printf '%s\n' 'Can not clone libnDPI as GIT submodule.'
    printf '%s\n' 'Falling back to Github direct download.'
    printf 'URL: %s\n' "${GITHUB_FALLBACK_URL}"
    printf '%s\n' '-----------------------------------'
    set -x
    wget "${GITHUB_FALLBACK_URL}" -O ./libnDPI-github-dev.zip
    unzip ./libnDPI-github-dev.zip
    mv ./nDPI-dev ./libnDPI
fi

cd ./libnDPI
test -r Makefile && make distclean
DEST_INSTALL="${DEST_INSTALL:-$(realpath ./install)}"
MAKE_PROGRAM="${MAKE_PROGRAM:-make -j4}"
HOST_ARG="--host=${HOST_TRIPLET}"
./autogen.sh --enable-option-checking=fatal \
    --prefix="${DEST_INSTALL}" --exec-prefix="${DEST_INSTALL}" \
    --includedir="${DEST_INSTALL}/include" --libdir="${DEST_INSTALL}/lib" \
    --with-only-libndpi ${HOST_ARG} ${ADDITIONAL_ARGS}
${MAKE_PROGRAM} install

rm -f "${LOCKFILE}"