if(NOT PKG_CONFIG_FOUND)
    INCLUDE(FindPkgConfig)
endif()
PKG_CHECK_MODULES(PC_ZEROMQ "libzmq")

FIND_PATH(ZEROMQ_INCLUDE_DIRS
    NAMES zmq.hpp
    HINTS ${PC_ZEROMQ_INCLUDE_DIR}
    ${CMAKE_INSTALL_PREFIX}/include
    PATHS
    /usr/local/include
    /usr/include
)

FIND_LIBRARY(ZEROMQ_LIBRARIES
    NAMES zmq libzmq ${ZEROMQ_LIBRARY_NAME}
    HINTS ${PC_ZEROMQ_LIBDIR}
    ${CMAKE_INSTALL_PREFIX}/lib
    ${CMAKE_INSTALL_PREFIX}/lib64
    PATHS
    ${ZEROMQ_INCLUDE_DIRS}/../lib
    /usr/local/lib
    /usr/lib
)

INCLUDE(FindPackageHandleStandardArgs)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(ZeroMQ DEFAULT_MSG ZEROMQ_LIBRARIES ZEROMQ_INCLUDE_DIRS)
MARK_AS_ADVANCED(ZEROMQ_LIBRARIES ZEROMQ_INCLUDE_DIRS)

if (ZEROMQ_FOUND AND NOT TARGET ZEROMQ::ZEROMQ)
  add_library(ZeroMQ::ZeroMQ INTERFACE IMPORTED)
  set_target_properties(ZeroMQ::ZeroMQ PROPERTIES
    INTERFACE_INCLUDE_DIRECTORIES "${ZEROMQ_INCLUDE_DIRS}"
    INTERFACE_LINK_LIBRARIES "${ZEROMQ_LIBRARIES}"
  )
endif()
