FindEvent.cmake
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FindEvent.cmake
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	# Try to find libevent
	# EVENT_FOUND - system has libevent
	# EVENT_INCLUDE_DIR - the libevent include directory
	# EVENT_LIBRARY - Library needed to use libevent
	# EVENT_PTHREAD_LIBRARY - Library needed to use libevent_pthread

	if(EVENT_INCLUDE_DIR AND EVENT_LIBRARY)
	# Already in cache, be silent
	set(EVENT_FIND_QUIETLY TRUE)
	endif()

	find_path(EVENT_INCLUDE_DIR NAMES event.h)
	find_library(EVENT_LIBRARY NAMES event libevent)

	if(NOT TARGET Event)
	# Create a library to be used
	add_library(Event STATIC IMPORTED)
	set_target_properties(Event PROPERTIES
	IMPORTED_LOCATION ${EVENT_LIBRARY}
	INTERFACE_INCLUDE_DIRECTORIES ${EVENT_INCLUDE_DIR})

	# On windows, libevent depends on ws2_32
	if(${CMAKE_SYSTEM_NAME} MATCHES "Windows")
	find_library(WS2_32_LIBRARY NAMES ws2_32)
	set_target_properties(Event PROPERTIES
	IMPORTED_LINK_INTERFACE_LIBRARIES ${WS2_32_LIBRARY})
	else()
	find_library(EVENT_PTHREAD_LIBRARY event_pthreads)
	set_target_properties(Event PROPERTIES
	IMPORTED_LINK_INTERFACE_LIBRARIES ${EVENT_PTHREAD_LIBRARY})
	endif()
	endif()

	message(STATUS "libevent: " ${EVENT_LIBRARY})

	include(FindPackageHandleStandardArgs)
	find_package_handle_standard_args(Event DEFAULT_MSG EVENT_INCLUDE_DIR EVENT_LIBRARY)

	mark_as_advanced(EVENT_INCLUDE_DIR EVENT_LIBRARY)

	set(Event_LIBRARIES ${EVENT_LIBRARY})
	set(Event_INCLUDE_DIRS ${EVENT_INCLUDE_DIR})