#!/bin/bash
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
# This is not an autoconf generated configure
#

# Output file which is input to Makefile
CONFIG=config.mk

# Assume tc is in $PATH
TC=tc

check_tc_libbpf()
{
    tc_version=$($TC -V)
    if echo $tc_version | grep -q libbpf; then
	libbpf_version=${tc_version##*libbpf }
	echo "HAVE_TC_LIBBPF:=y" >> $CONFIG
	echo "BPF_CFLAGS += -DHAVE_TC_LIBBPF" >> $CONFIG
	echo "yes ($libbpf_version)"
    else
	echo "no"
    fi
}

echo "# Generated config" > $CONFIG
echo "Detecting available features on system"

echo -n " - libbpf support in tc tool: "
check_tc_libbpf