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BarthelemyBarthelemy
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Merge pull request #5 from AliceO2Group/fix-zeromq
fix error due to zeromq
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‎cmake/FindZeroMQ.cmake‎

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# **************************************************************************
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# * Copyright(c) 1998-2014, ALICE Experiment at CERN, All rights reserved. *
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# * *
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# * Author: The ALICE Off-line Project. *
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# * Contributors are mentioned in the code where appropriate. *
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# * *
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# * Permission to use, copy, modify and distribute this software and its *
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# * documentation strictly for non-commercial purposes is hereby granted *
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# * without fee, provided that the above copyright notice appears in all *
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# * copies and that both the copyright notice and this permission notice *
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# * appear in the supporting documentation. The authors make no claims *
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# * about the suitability of this software for any purpose. It is *
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# * provided "as is" without express or implied warranty. *
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# **************************************************************************
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# Checks for a ZeroMQ installation. Enables ZeroMQ by default if found on the
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# system and with the right version.
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################################################################################
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# Copyright (C) 2012-2017 GSI Helmholtzzentrum fuer Schwerionenforschung GmbH #
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# #
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# This software is distributed under the terms of the #
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# GNU Lesser General Public Licence (LGPL) version 3, #
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# copied verbatim in the file "LICENSE" #
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################################################################################
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#
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# Authors:
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#
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# Mohammad Al-Turany
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# Dario Berzano
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# Dennis Klein
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# Matthias Richter
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# Alexey Rybalchenko
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# Florian Uhlig
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#
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#
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# #############################
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# # Locate the ZeroMQ library #
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# #############################
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#
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#
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# Usage:
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#
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# find_package(ZeroMQ [version] [QUIET] [REQUIRED])
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#
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#
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# Defines the following variables:
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#
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# ZeroMQ_FOUND - Found the ZeroMQ library
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# ZeroMQ_INCLUDE_DIR (CMake cache) - Include directory
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# ZeroMQ_LIBRARY_SHARED (CMake cache) - Path to shared libzmq
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# ZeroMQ_LIBRARY_STATIC (CMake cache) - Path to static libzmq
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# ZeroMQ_VERSION - full version string
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# ZeroMQ_VERSION_MAJOR - major version component
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# ZeroMQ_VERSION_MINOR - minor version component
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# ZeroMQ_VERSION_PATCH - patch version component
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#
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#
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# Point to a custom ZeroMQ installation with -DZEROMQ=<path>: in that case, if
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# ZeroMQ is not found or has not the right version, a fatal error is raised.
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# Accepts the following variables as hints for installation directories:
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#
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# Variables set:
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# ZMQ_DIR (CMake var)
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# AlFa_DIR (CMake var)
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# SIMPATH (CMake var)
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# ZEROMQ_ROOT (CMake var, ENV var)
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#
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#
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# If the above variables are not defined, or if ZeroMQ could not be found there,
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# it will look for it in the system directories. Custom ZeroMQ installations
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# will always have priority over system ones.
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#
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# - ZEROMQ_FOUND True if ZeroMQ is found
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# - ZEROMQ_INCLUDE_DIR Where to find ZeroMQ include directory
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# - ZEROMQ_LIBRARIES List of libraries when using ZeroMQ
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# - ZEROMQ_VERSION ZeroMQ version, major.minor.patches
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# - ZEROMQ_VERSION_MAJOR Major component of version
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# - ZEROMQ_VERSION_MINOR Minor component of version
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# - ZEROMQ_VERSION_MAJOR Patches component of version
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set(ZEROMQ_VERSION_MIN "4.0.0")
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if(NOT ZeroMQ_FIND_QUIETLY)
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message(STATUS "Looking for ZeroMQ")
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endif()
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message(STATUS "Checking for ZeroMQ ${ZEROMQ}")
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if(DEFINED ENV{ZEROMQ_ROOT})
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set(ZEROMQ_ROOT $ENV{ZEROMQ_ROOT})
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endif()
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set(ZEROMQ_FOUND FALSE)
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find_path(ZeroMQ_INCLUDE_DIR NAMES "zmq.h" "zmq_utils.h"
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HINTS "${ZMQ_DIR}/include"
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"${AlFa_DIR}/include"
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"${SIMPATH}/include"
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"${ZEROMQ_ROOT}/include"
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DOC "ZeroMQ include directories"
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)
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if(ZEROMQ)
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# ZeroMQ is installed in a custom place
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find_library(ZEROMQ_LIBRARIES NAMES zmq
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PATHS ${ZEROMQ}/lib
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NO_DEFAULT_PATH
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DOC "Path to libzmq)"
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)
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find_path(ZEROMQ_INCLUDE_DIR NAMES zmq.h zmq_utils.h
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PATHS ${ZEROMQ}/include
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NO_DEFAULT_PATH
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DOC "Path to ZeroMQ include header files."
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)
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else(ZEROMQ)
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# Check is the library is installed on the system
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find_library(ZEROMQ_LIBRARIES NAMES zmq
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HINTS ENV LD_LIBRARY_PATH
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DOC "Path to libzmq)"
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)
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string(REPLACE "lib/libzmq.so" "" INCLUDE_HINT ${ZEROMQ_LIBRARIES})
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find_path(ZEROMQ_INCLUDE_DIR NAMES zmq_utils.h
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HINTS "${INCLUDE_HINT}include"
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DOC "Path to ZeroMQ include header files."
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)
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endif(ZEROMQ)
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find_library(ZeroMQ_LIBRARY_SHARED NAMES "libzmq.dylib" "libzmq.so"
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HINTS "${ZMQ_DIR}/lib"
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"${AlFa_DIR}/lib"
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"${SIMPATH}/lib"
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"${ZEROMQ_ROOT}/lib"
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DOC "Path to libzmq.dylib or libzmq.so"
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)
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mark_as_advanced(ZEROMQ_LIBRARIES ZEROMQ_INCLUDE_DIR)
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find_library(ZeroMQ_LIBRARY_STATIC NAMES "libzmq.a"
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HINTS "${ZMQ_DIR}/lib"
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"${AlFa_DIR}/lib"
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"${SIMPATH}/lib"
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"${ZEROMQ_ROOT}/lib"
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DOC "Path to libzmq.a"
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)
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# Did we find ZeroMQ? We need to parse its version.
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if(ZEROMQ_INCLUDE_DIR)
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message(STATUS "ZeroMQ include path: ${ZEROMQ_INCLUDE_DIR}")
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endif()
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if(ZEROMQ_LIBRARIES)
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message(STATUS "ZeroMQ libraries: ${ZEROMQ_LIBRARIES}")
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if(ZeroMQ_INCLUDE_DIR AND ZeroMQ_LIBRARY_SHARED AND ZeroMQ_LIBRARY_STATIC)
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set(ZeroMQ_FOUND TRUE)
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else()
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set(ZeroMQ_FOUND FALSE)
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endif()
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if(ZEROMQ_INCLUDE_DIR AND ZEROMQ_LIBRARIES)
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file(READ "${ZEROMQ_INCLUDE_DIR}/zmq.h" zmqh)
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string(REGEX MATCH "#define +ZMQ_VERSION_MAJOR +([0-9]+)" zmqv "${zmqh}")
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set(ZEROMQ_VERSION_MAJOR "${CMAKE_MATCH_1}")
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string(REGEX MATCH "#define +ZMQ_VERSION_MINOR +([0-9]+)" zmqv "${zmqh}")
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set(ZEROMQ_VERSION_MINOR "${CMAKE_MATCH_1}")
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string(REGEX MATCH "#define +ZMQ_VERSION_PATCH +([0-9]+)" zmqv "${zmqh}")
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set(ZEROMQ_VERSION_PATCH "${CMAKE_MATCH_1}")
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set(ERROR_STRING "Looking for ZeroMQ - NOT FOUND")
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unset(zmqh)
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unset(zmqv)
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if(ZeroMQ_FOUND)
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find_file(ZeroMQ_HEADER_FILE "zmq.h"
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${ZeroMQ_INCLUDE_DIR}
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NO_DEFAULT_PATH
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)
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if (DEFINED ZeroMQ_HEADER_FILE)
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file(READ "${ZeroMQ_HEADER_FILE}" _ZeroMQ_HEADER_FILE_CONTENT)
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string(REGEX MATCH "#define ZMQ_VERSION_MAJOR ([0-9])" _MATCH "${_ZeroMQ_HEADER_FILE_CONTENT}")
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set(ZeroMQ_VERSION_MAJOR ${CMAKE_MATCH_1})
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string(REGEX MATCH "#define ZMQ_VERSION_MINOR ([0-9])" _MATCH "${_ZeroMQ_HEADER_FILE_CONTENT}")
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set(ZeroMQ_VERSION_MINOR ${CMAKE_MATCH_1})
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string(REGEX MATCH "#define ZMQ_VERSION_PATCH ([0-9])" _MATCH "${_ZeroMQ_HEADER_FILE_CONTENT}")
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set(ZeroMQ_VERSION_PATCH ${CMAKE_MATCH_1})
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set(ZeroMQ_VERSION "${ZeroMQ_VERSION_MAJOR}.${ZeroMQ_VERSION_MINOR}.${ZeroMQ_VERSION_PATCH}")
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if(DEFINED ZeroMQ_FIND_VERSION AND ZeroMQ_VERSION VERSION_LESS ZeroMQ_FIND_VERSION)
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set(ZeroMQ_FOUND FALSE)
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set(ERROR_STRING "Looking for ZeroMQ - Installed version ${ZeroMQ_VERSION} does not meet the minimum required version ${ZeroMQ_FIND_VERSION}")
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endif ()
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unset(ZeroMQ_HEADER_FILE CACHE)
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endif ()
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set(ZEROMQ_VERSION "${ZEROMQ_VERSION_MAJOR}.${ZEROMQ_VERSION_MINOR}.${ZEROMQ_VERSION_PATCH}")
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message(STATUS "ZeroMQ version: ${ZEROMQ_VERSION}")
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add_library(ZeroMQ SHARED IMPORTED)
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set_target_properties(ZeroMQ PROPERTIES
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IMPORTED_LOCATION ${ZeroMQ_LIBRARY_SHARED}
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INTERFACE_INCLUDE_DIRECTORIES ${ZeroMQ_INCLUDE_DIR}
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)
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endif()
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if(ZeroMQ_FOUND)
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set(ZeroMQ_LIBRARIES "${ZeroMQ_LIBRARY_STATIC};${ZeroMQ_LIBRARY_SHARED}")
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if(NOT ZeroMQ_FIND_QUIETLY)
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message(STATUS "Looking for ZeroMQ - Found ${ZeroMQ_INCLUDE_DIR}")
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message(STATUS "Looking for ZeroMQ - Found version ${ZeroMQ_VERSION}")
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endif(NOT ZeroMQ_FIND_QUIETLY)
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mark_as_advanced(
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ZeroMQ_LIBRARIES
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ZeroMQ_LIBRARY_SHARED
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ZeroMQ_LIBRARY_STATIC
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ZeroMQ_VERSION_MAJOR
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ZeroMQ_VERSION_MINOR
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ZeroMQ_VERSION_PATCH
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)
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if(ZEROMQ_VERSION VERSION_GREATER "${ZEROMQ_VERSION_MIN}")
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# Version OK.
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set(ZEROMQ_FOUND TRUE)
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add_definitions(-DZMQ_FOUND)
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message(STATUS "ZeroMQ version ${ZEROMQ_VERSION} (> ${ZEROMQ_VERSION_MIN}) found")
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elseif(ZEROMQ)
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# Version not OK and explicitly requested: fatal.
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message(FATAL_ERROR "ZeroMQ in ${ZEROMQ} has version ${ZEROMQ_VERSION} <= ${ZEROMQ_VERSION_MIN}")
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else()
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message(STATUS "ZeroMQ found but version ${ZEROMQ_VERSION} <= ${ZEROMQ_VERSION_MIN}. Disabling ZeroMQ support.")
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endif()
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elseif(ZEROMQ)
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# ZeroMQ not found and explicitly requested: fatal.
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message(FATAL_ERROR "ZeroMQ not found in ${ZEROMQ}.")
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elseif(ZEROMQ_LIBRARIES)
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# ZeroMQ libraries found in system, but headers were not.
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message(STATUS "ZeroMQ headers not found. Please install the development package and the cppzmq interface. Disabling ZeroMQ support.")
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# add target
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if(NOT TARGET ZeroMQ::ZeroMQ)
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add_library(ZeroMQ::ZeroMQ INTERFACE IMPORTED)
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set_target_properties(ZeroMQ::ZeroMQ PROPERTIES
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INTERFACE_INCLUDE_DIRECTORIES "${ZeroMQ_INCLUDE_DIR}"
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INTERFACE_LINK_LIBRARIES "${ZeroMQ_LIBRARIES}"
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)
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endif()
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else()
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message(STATUS "ZeroMQ not found. Disabling ZeroMQ support.")
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if(ZeroMQ_FIND_REQUIRED)
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message(FATAL_ERROR "${ERROR_STRING}")
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else()
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if(NOT ZeroMQ_FIND_QUIETLY)
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message(STATUS "${ERROR_STRING}")
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endif(NOT ZeroMQ_FIND_QUIETLY)
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endif()
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endif()
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unset(ERROR_STRING)
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unset(ZEROMQ_ROOT)
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