cmake/FindLibEvent.cmake

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# - Find LibEvent (a cross event library)
# This module defines
# LIB_EVENT_INCLUDE_DIR, where to find LibEvent headers
# LIB_EVENT_LIBRARY, LibEvent libraries
# LibEvent_FOUND, If false, do not try to use libevent

set(LibEvent_EXTRA_PREFIXES /usr/local /opt/local "$ENV{HOME}")
foreach(prefix ${LibEvent_EXTRA_PREFIXES})
  list(APPEND LibEvent_INCLUDE_PATHS "${prefix}/include")
  list(APPEND LIB_EVENT_LIBRARY_PATHS "${prefix}/lib")
endforeach()

find_path(LIB_EVENT_INCLUDE_DIR event.h PATHS ${LibEvent_INCLUDE_PATHS})
find_library(LIB_EVENT_LIBRARY NAMES event PATHS ${LIB_EVENT_LIBRARY_PATHS})
find_library(LIBEVENT_PTHREAD_LIB NAMES event_pthreads PATHS ${LIB_EVENT_LIBRARY_PATHS})

if (LIB_EVENT_LIBRARY AND LIB_EVENT_INCLUDE_DIR AND LIBEVENT_PTHREAD_LIB)
  set(LibEvent_FOUND TRUE)
  set(LIB_EVENT_LIBRARY ${LIB_EVENT_LIBRARY} ${LIBEVENT_PTHREAD_LIB})
else ()
  set(LibEvent_FOUND FALSE)
endif ()

if (LibEvent_FOUND)
  if (NOT LibEvent_FIND_QUIETLY)
    message(STATUS "Found libevent: ${LIB_EVENT_LIBRARY}")
  endif ()
else ()
  if (LibEvent_FIND_REQUIRED)
    message(FATAL_ERROR "Could NOT find libevent and libevent_pthread.")
  endif ()
  message(STATUS "libevent and libevent_pthread NOT found.")
endif ()

mark_as_advanced(
    LIB_EVENT_LIBRARY
    LIB_EVENT_INCLUDE_DIR
  )