#!/bin/sh

# SPDX-FileCopyrightText: Copyright (c) 2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
# SPDX-License-Identifier: BSD-3-Clause
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this
# list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#

set -e

show_help()
{
    echo "Usage: ${0} [-hco]"
    echo
    echo "  -h              Show this help text."
    echo "  -c <compiler>   Specify the compiler."
    echo "  -a <arch>       Specify the architecture."
    echo "  -o <file>       Specify the doca_gpunetio_config.h file location."
    echo
}

compiler=nvcc
arch="sm_70"
doca_gpunetio_config_file=

OPTIND=1    # Reset in case getopts has been used previously in the shell.
while getopts "hc:a:" opt ; do
    case "${opt}" in
        h)
            show_help
            exit 0
            ;;
        c)
            compiler="${OPTARG}"
            ;;
        a)
            arch="${OPTARG}"
            ;;
        o)
            doca_gpunetio_config_file="${OPTARG}"
            ;;
        ?)
            show_help
            exit 0
            ;;
    esac
done

script_dir="$(dirname $0)"
include_dir="${script_dir}/../include"
compile_test_dir="${script_dir}/compile-time-test"

if [ -z "${doca_gpunetio_config_file}" ]; then
    doca_gpunetio_config_file="${include_dir}/doca_gpunetio_config.h"
fi

doca_gpunetio_config_file=$(realpath "${doca_gpunetio_config_file}")

rm -f "${doca_gpunetio_config_file}"

touch ${doca_gpunetio_config_file}
cat > ${doca_gpunetio_config_file} <<EOF
/*
 * SPDX-FileCopyrightText: Copyright (c) 2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 * SPDX-License-Identifier: BSD-3-Clause
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */


/**
 * @file doca_gpunetio_config.h
 * @brief A header file for the DOCA GPUNetIO build-time configuration. This header
 * file may be generated by calling scripts/configure.
 */

#ifndef DOCA_GPUNETIO_CONFIG_H
#define DOCA_GPUNETIO_CONFIG_H
EOF

find "${compile_test_dir}" -type f -executable -exec {} -c "${compiler}" -a "${arch}" -o "${doca_gpunetio_config_file}" \; 2>&1 > /dev/null

cat >> ${doca_gpunetio_config_file} <<EOF
#endif  // DOCA_GPUNETIO_CONFIG_H
EOF
