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#
# Copyright 2018 Ettus Research, a National Instruments Company
#
# SPDX-License-Identifier: GPL-3.0-or-later
#
# - Find DPDK
# Find the DPDK includes and client library
# This module defines
# DPDK_INCLUDE_DIR, where to find rte_config.h
# DPDK_LIBRARIES, the libraries needed by a DPDK user
# DPDK_FOUND, If false, do not try to use DPDK.
# also defined, but not for general use are
# DPDK_LIBRARY, where to find the DPDK library.
include(FindPackageHandleStandardArgs)
find_path ( DPDK_INCLUDE_CONFIG_DIR rte_config.h
PATHS ENV RTE_INCLUDE
PATH_SUFFIXES dpdk
)
find_path ( DPDK_INCLUDE_ETHDEV_DIR rte_ethdev.h
PATHS ENV RTE_INCLUDE
PATH_SUFFIXES dpdk
)
find_path ( DPDK_INCLUDE_VERSION_DIR rte_version.h
PATHS ENV RTE_INCLUDE
PATH_SUFFIXES dpdk
)
set(DPDK_INCLUDE_DIR ${DPDK_INCLUDE_CONFIG_DIR} ${DPDK_INCLUDE_ETHDEV_DIR})
list(REMOVE_DUPLICATES DPDK_INCLUDE_DIR)
find_library(DPDK_LIBRARY
PATHS $ENV{RTE_SDK_DIR}/$ENV{RTE_TARGET}/lib
)
list(APPEND DPDK_LIBRARIES dpdk)
if(DPDK_INCLUDE_VERSION_DIR)
file(READ "${DPDK_INCLUDE_VERSION_DIR}/rte_version.h"
DPDK_VERSION_STR
)
string(REGEX MATCH "#define RTE_VER_YEAR ([0-9]+)" _ ${DPDK_VERSION_STR})
set(DPDK_VERSION_MAJOR ${CMAKE_MATCH_1})
string(REGEX MATCH "#define RTE_VER_MONTH ([0-9]+)" _ ${DPDK_VERSION_STR})
set(DPDK_VERSION_MINOR ${CMAKE_MATCH_1})
endif(DPDK_INCLUDE_VERSION_DIR)
set(DPDK_VERSION "${DPDK_VERSION_MAJOR}.${DPDK_VERSION_MINOR}")
find_package_handle_standard_args(DPDK
REQUIRED_VARS DPDK_INCLUDE_DIR DPDK_LIBRARIES
VERSION_VAR DPDK_VERSION
)
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