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# - Find libnl
# Find the libnl-3 library and includes
#
# nl_INCLUDE_DIR - where to find netlink.h, etc.
# nl_<COMPONENT>_LIBRARY - library when using nl::<COMPONENT>.
# nl_FOUND - True if nl found.
find_path(nl_INCLUDE_DIR
NAMES
netlink/netlink.h
PATH_SUFFIXES
libnl3)
foreach(component "core" ${nl_FIND_COMPONENTS})
set(nl_COMPONENTS core cli genl idiag nf route xfrm)
list(FIND nl_COMPONENTS "${component}" found)
if(found EQUAL -1)
message(FATAL_ERROR "unknown libnl-3 component: ${component}")
endif()
if(component STREQUAL "core")
find_library(nl_${component}_LIBRARY nl-3)
else()
find_library(nl_${component}_LIBRARY nl-${component}-3)
endif()
list(APPEND nl_LIBRARIES "nl_${component}_LIBRARY")
endforeach()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(nl
DEFAULT_MSG ${nl_LIBRARIES} nl_INCLUDE_DIR)
mark_as_advanced(
${nl_LIBRARIES}
nl_INCLUDE_DIR)
if(nl_FOUND)
foreach(component "core" ${nl_FIND_COMPONENTS})
if(NOT TARGET nl::${component})
add_library(nl::${component} UNKNOWN IMPORTED)
set_target_properties(nl::${component} PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES "${nl_INCLUDE_DIR}"
IMPORTED_LINK_INTERFACE_LANGUAGES "C"
IMPORTED_LOCATION "${nl_${component}_LIBRARY}")
if(NOT component STREQUAL "core")
set_target_properties(nl::${component} PROPERTIES
INTERFACE_LINK_LIBRARIES "${nl_core_LIBRARY}")
endif()
endif()
endforeach()
endif()
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