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# - Try to find UDev
# Once done this will define
#
# UDEV_FOUND - system has UDev
# UDEV_INCLUDE_DIR - the libudev include directory
# UDEV_LIBS - The libudev libraries
# UDEV_HAVE_GET_SYSATTR_LIST_ENTRY - TRUE if the udev library has the function
# udev_device_get_sysattr_list_entry(), added in version 167 of libudev
# Copyright (c) 2010, Rafael Fernández López, <ereslibre@kde.org>
#
# Redistribution and use is allowed according to the terms of the BSD license.
# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
find_package(PkgConfig)
if(PKG_CONFIG_FOUND)
pkg_check_modules(PC_LIBUDEV libudev)
endif()
find_path(UDEV_INCLUDE_DIR libudev.h
HINTS ${PC_LIBUDEV_INCLUDEDIR} ${PC_LIBUDEV_INCLUDE_DIRS})
find_library(UDEV_LIBS udev
HINTS ${PC_LIBUDEV_LIBDIR} ${PC_LIBUDEV_LIBRARY_DIRS})
if(UDEV_INCLUDE_DIR AND UDEV_LIBS)
include(CheckFunctionExists)
include(CMakePushCheckState)
cmake_push_check_state()
set(CMAKE_REQUIRED_LIBRARIES ${UDEV_LIBS} )
check_function_exists(udev_device_get_sysattr_list_entry UDEV_HAVE_GET_SYSATTR_LIST_ENTRY )
cmake_pop_check_state()
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(UDev DEFAULT_MSG UDEV_INCLUDE_DIR UDEV_LIBS)
mark_as_advanced(UDEV_INCLUDE_DIR UDEV_LIBS)
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