cmake/Modules/FindZMQ.cmake

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# - Try to find ZMQ
# 	Once done this will define
#  ZMQ_FOUND - System has Zmq
#  ZMQ_INCLUDE_DIRS - The Zmq include directories
#  ZMQ_LIBRARIES - The libraries needed to use Zmq
#  ZMQ_DEFINITIONS - Compiler switches required for using Zmq
#  ZMQ::lib - Imported target for UUID

find_path(ZMQ_INCLUDE_DIR zmq.h zmq_utils.h
          /usr/include
          /usr/local/include )

find_library(ZMQ_LIBRARY NAMES zmq
             PATHS /usr/lib /usr/local/lib /usr/lib64 /usr/local/lib64 )

set(ZMQ_LIBRARIES ${ZMQ_LIBRARY} )
set(ZMQ_INCLUDE_DIRS ${ZMQ_INCLUDE_DIR} )

include(FindPackageHandleStandardArgs)
# handle the QUIETLY and REQUIRED arguments and set ZMQ_FOUND to TRUE
# if all listed variables are TRUE
find_package_handle_standard_args(ZMQ  DEFAULT_MSG
                                  ZMQ_LIBRARY ZMQ_INCLUDE_DIR)

mark_as_advanced(ZMQ_INCLUDE_DIR ZMQ_LIBRARY )

if (ZMQ_FOUND AND NOT TARGET ZMQ::lib)
    add_library(ZMQ::lib SHARED IMPORTED)
    set_target_properties(ZMQ::lib PROPERTIES
            IMPORTED_LOCATION "${ZMQ_LIBRARY}"
            INTERFACE_INCLUDE_DIRECTORIES "${ZMQ_INCLUDE_DIR}"
    )
endif ()