set -o pipefail -o errtrace -o nounset -o errexit

build_dir=.

install_dir=/usr/local

build_type=release

prefix_path=/opt/vpp/external/$(uname -m)/

src_dir="$(dirname "$(readlink -f "$0")")"

help()

}

while (( "$#" )); do

case "$1" in

-h|--help)

help

exit 1

;;

-b|--build-dir)

if [ -n "$2" ] && [ ${2:0:1} != "-" ]; then

build_dir=$2

shift 2

else

echo "Error: Argument for $1 is missing" >&2

exit 1

fi

;;

-i|--install-dir)

if [ -n "$2" ] && [ ${2:0:1} != "-" ]; then

install_dir=$2

shift 2

else

echo "Error: Argument for $1 is missing" >&2

exit 1

fi

;;

-t|--build-type)

if [ -n "$2" ] && [ ${2:0:1} != "-" ]; then

build_type=$2

shift 2

else

echo "Error: Argument for $1 is missing" >&2

exit 1

fi

;;

-w|--wipe)

git clean -fdx --exclude=startup.\*

exit 1

;;

-*|--*=) # unsupported flags

echo "Error: Unsupported flag $1" >&2

exit 1

;;

*) # preserve positional arguments

PARAMS="$PARAMS $1"

shift

;;

esac

cmake \

-G Ninja \

-S ${src_dir}/src \

-B ${build_dir} \

-DCMAKE_PREFIX_PATH=${prefix_path} \

-DCMAKE_INSTALL_PREFIX=${install_dir} \

-DCMAKE_EXPORT_COMPILE_COMMANDS:BOOL=ON \

-DCMAKE_BUILD_TYPE:STRING=${build_type}

cat << __EOF__