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Create FindLibEvent.cmake

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Dengfeng Liu 2018-02-27 13:48:15 +08:00 committed by GitHub
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commit 20a2ba81c7
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cmake/Modules/FindLibEvent.cmake Normal file
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# - Find LibEvent (a cross event library)
# This module defines
# LIBEVENT_INCLUDE_DIR, where to find LibEvent headers
# LIBEVENT_LIB, 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 LibEvent_LIB_PATHS "${prefix}/lib")
endforeach()
FIND_PATH(LIBEVENT_INCLUDE_DIR event.h PATHS ${LibEvent_INCLUDE_PATHS})
FIND_LIBRARY(LIBEVENT_LIB NAMES event PATHS ${LibEvent_LIB_PATHS})
FIND_LIBRARY(LIBEVENT_CORE_LIB NAMES event_core PATHS ${LibEvent_LIB_PATHS})
FIND_LIBRARY(LIBEVENT_PTHREADS_LIB NAMES event_pthreads PATHS ${LibEvent_LIB_PATHS})
FIND_LIBRARY(LIBEVENT_EXTRA_LIB NAMES event_extra PATHS ${LibEvent_LIB_PATHS})
FIND_LIBRARY(LIBEVENT_OPENSSL_LIB NAMES event_openssl PATHS ${LibEvent_LIB_PATHS})
if (LIBEVENT_LIB AND LIBEVENT_INCLUDE_DIR)
set(LibEvent_FOUND TRUE)
set(LIBEVENT_LIB ${LIBEVENT_LIB})
else ()
set(LibEvent_FOUND FALSE)
endif ()
if (LibEvent_FOUND)
if (NOT LibEvent_FIND_QUIETLY)
message(STATUS "Found libevent: ${LIBEVENT_LIB}")
endif ()
else ()
if (LibEvent_FIND_REQUIRED)
message(FATAL_ERROR "Could NOT find libevent.")
endif ()
message(STATUS "libevent NOT found.")
endif ()
MARK_AS_ADVANCED(LIBEVENT_INCLUDE_DIR LIBEVENT_LIB LIBEVENT_PTHREADS_LIB LIBEVENT_OPENSSL_LIB LIBEVENT_CORE_LIB LIBEVENT_EXTRA_LIB)