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CMakeModules/FindLibEvent.cmake

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+# Finding LibEvent (https://libevent.org/)
+# Defining:
+# LIBEVENT_LIB
+# LIBEVENT_INCLUDE_DIR
+
+set(libEvent_target "_no_target_")
+
+if(WIN32)
+	FIND_PATH(LIBEVENT_INCLUDE_DIR event2/event.h PATH_SUFFIXES include HINTS ${ADDITIONAL_LIBRARY_PATHS})
+	FIND_LIBRARY(LIBEVENT_LIB NAMES event_core PATH_SUFFIXES lib HINTS ${ADDITIONAL_LIBRARY_PATHS})
+	if (LIBEVENT_INCLUDE_DIR AND LIBEVENT_LIB)
+		add_library(libEvent UNKNOWN IMPORTED)
+		set_target_properties(libEvent PROPERTIES
+			INTERFACE_INCLUDE_DIRECTORIES "${LIBEVENT_INCLUDE_DIR}"
+			IMPORTED_LOCATION "${LIBEVENT_LIB}"
+		)
+		set(libEvent_target "libEvent")
+	endif()
+
+
+else()
+	find_package(PkgConfig QUIET)
+
+	if(PKG_CONFIG_FOUND)
+		pkg_check_modules(libEvent  IMPORTED_TARGET libevent)
+	endif()
+
+	if(libEvent_FOUND)
+		# can't use an ALIAS here, needs CMake 3.11
+		# use a global property instead
+		set(libEvent_target "PkgConfig::libEvent")
+	endif()
+endif(WIN32)