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# Try to find dpdk
#
# Once done, this will define
#
# dpdk_FOUND
# dpdk_INCLUDE_DIRS
# dpdk_LIBRARIES
if(PKG_CONFIG_FOUND)
pkg_check_modules(dpdk QUIET libdpdk)
endif()
message(STATUS "Executing Finddpdk")
if(NOT dpdk_INCLUDE_DIRS)
message(STATUS "Executing find_path")
find_path(dpdk_config_INCLUDE_DIR rte_config.h
HINTS
ENV DPDK_DIR
PATH_SUFFIXES
dpdk
include
)
find_path(dpdk_common_INCLUDE_DIR rte_common.h
HINTS
ENC DPDK_DIR
PATH_SUFFIXES
dpdk
include
)
set(dpdk_INCLUDE_DIRS "${dpdk_config_INCLUDE_DIR}")
if(NOT dpdk_config_INCLUDE_DIR EQUAL dpdk_common_INCLUDE_DIR)
list(APPEND dpdk_INCLUDE_DIRS "${dpdk_common_INCLUDE_DIR}")
endif()
set(components
bus_pci
cmdline
eal
ethdev
hash
kvargs
mbuf
mempool
mempool_ring
mempool_stack
pci
pmd_af_packet
pmd_bond
pmd_i40e
pmd_ixgbe
pmd_mlx5
pmd_ring
pmd_vmxnet3_uio
ring)
set(dpdk_LIBRARIES)
foreach(c ${components})
find_library(DPDK_rte_${c}_LIBRARY rte_${c}
HINTS
ENV DPDK_DIR
${dpdk_LIBRARY_DIRS}
PATH_SUFFIXES lib)
if(DPDK_rte_${c}_LIBRARY)
set(dpdk_lib dpdk::${c})
if (NOT TARGET ${dpdk_lib})
add_library(${dpdk_lib} UNKNOWN IMPORTED)
set_target_properties(${dpdk_lib} PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES "${dpdk_INCLUDE_DIRS}"
IMPORTED_LOCATION "${DPDK_rte_${c}_LIBRARY}")
if(c STREQUAL pmd_mlx5)
find_package(verbs QUIET)
if(verbs_FOUND)
target_link_libraries(${dpdk_lib} INTERFACE IBVerbs::verbs)
endif()
endif()
endif()
list(APPEND dpdk_LIBRARIES ${dpdk_lib})
endif()
endforeach()
#
# Where the heck did this list come from? libdpdk on Ubuntu 20.04,
# for example, doesn't even *have* -ldpdk; that's why we go with
# pkg-config, in the hopes that it provides a correct set of flags
# for this tangled mess.
#
list(APPEND dpdk_LIBRARIES dpdk rt m numo dl)
endif()
mark_as_advanced(dpdk_INCLUDE_DIRS ${dpdk_LIBRARIES})
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(dpdk DEFAULT_MSG
dpdk_INCLUDE_DIRS
dpdk_LIBRARIES)
if(dpdk_FOUND)
if(NOT TARGET dpdk::cflags)
if(CMAKE_SYSTEM_PROCESSOR MATCHES "amd64|x86_64|AMD64")
set(rte_cflags "-march=core2")
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "arm|ARM")
set(rte_cflags "-march=armv7-a")
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "aarch64|AARCH64")
set(rte_cflags "-march=armv8-a+crc")
endif()
add_library(dpdk::cflags INTERFACE IMPORTED)
if (rte_cflags)
set_target_properties(dpdk::cflags PROPERTIES
INTERFACE_COMPILE_OPTIONS "${rte_cflags}")
endif()
endif()
if(NOT TARGET dpdk::dpdk)
add_library(dpdk::dpdk INTERFACE IMPORTED)
find_package(Threads QUIET)
list(APPEND dpdk_LIBRARIES
Threads::Threads
dpdk::cflags)
set_target_properties(dpdk::dpdk PROPERTIES
INTERFACE_LINK_LIBRARIES "${dpdk_LIBRARIES}"
INTERFACE_INCLUDE_DIRECTORIES "${dpdk_INCLUDE_DIRS}")
endif()
endif()
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