thrift/build/cmake/FindLibevent.cmake
James E. King, III 7edc8faefd THRIFT-3873: fix various compiler warnings and overflow errors
THRIFT-3847: change VERSION to PACKAGE_VERSION to avoid conflicts with third party or OS headers

This closes #1128
2017-01-20 10:12:06 -05:00

46 lines
1.5 KiB
CMake

# find LibEvent
# an event notification library (http://libevent.org/)
#
# Usage:
# LIBEVENT_INCLUDE_DIRS, where to find LibEvent headers
# LIBEVENT_LIBRARIES, LibEvent libraries
# Libevent_FOUND, If false, do not try to use libevent
set(LIBEVENT_ROOT CACHE PATH "Root directory of libevent installation")
set(LibEvent_EXTRA_PREFIXES /usr/local /opt/local "$ENV{HOME}" ${LIBEVENT_ROOT})
foreach(prefix ${LibEvent_EXTRA_PREFIXES})
list(APPEND LibEvent_INCLUDE_PATHS "${prefix}/include")
list(APPEND LibEvent_LIBRARIES_PATHS "${prefix}/lib")
endforeach()
# Looking for "event.h" will find the Platform SDK include dir on windows
# so we also look for a peer header like evhttp.h to get the right path
find_path(LIBEVENT_INCLUDE_DIRS evhttp.h event.h PATHS ${LibEvent_INCLUDE_PATHS})
# "lib" prefix is needed on Windows in some cases
# newer versions of libevent use three libraries
find_library(LIBEVENT_LIBRARIES NAMES event event_core event_extra libevent PATHS ${LibEvent_LIBRARIES_PATHS})
if (LIBEVENT_LIBRARIES AND LIBEVENT_INCLUDE_DIRS)
set(Libevent_FOUND TRUE)
set(LIBEVENT_LIBRARIES ${LIBEVENT_LIBRARIES})
else ()
set(Libevent_FOUND FALSE)
endif ()
if (Libevent_FOUND)
if (NOT Libevent_FIND_QUIETLY)
message(STATUS "Found libevent: ${LIBEVENT_LIBRARIES}")
endif ()
else ()
if (LibEvent_FIND_REQUIRED)
message(FATAL_ERROR "Could NOT find libevent.")
endif ()
message(STATUS "libevent NOT found.")
endif ()
mark_as_advanced(
LIBEVENT_LIBRARIES
LIBEVENT_INCLUDE_DIRS
)