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option(ENABLE_DISCOVERY "Enable device discovery ( zeroconf)" ON)
if(ENABLE_DISCOVERY)
find_package(DNSSD)
find_library(AVAHI_COMMON_LIBRARIES avahi-common)
find_library(AVAHI_CLIENT_LIBRARIES avahi-client)
if (AVAHI_COMMON_LIBRARIES)
add_library(libavahi ${PROJECT_SOURCE_DIR}/third_party/avahi-compat-libdns_sd/compat.c)
target_link_libraries(libavahi PUBLIC ${AVAHI_CLIENT_LIBRARIES} ${AVAHI_COMMON_LIBRARIES})
target_compile_definitions(libavahi PUBLIC -DDNSSD_AVAHI)
set(HAS_AVAHI_SUPPORT ON)
endif()
if (DNSSD_FOUND)
set(HAS_ZEROCONF_SUPPORT ON)
add_library(zeroconf INTERFACE)
target_include_directories(zeroconf INTERFACE ${DNSSD_INCLUDE_DIRS})
target_compile_definitions(zeroconf INTERFACE -DZEROCONF_SUPPORT)
target_link_libraries(zeroconf INTERFACE ${DNSSD_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT})
if (HAS_AVAHI_SUPPORT)
target_link_libraries(zeroconf INTERFACE libavahi)
endif()
if (WIN32)
target_link_libraries(zeroconf INTERFACE ws2_32)
endif(WIN32)
endif()
endif()
add_feature_info(DISCOVERY HAS_ZEROCONF_SUPPORT "Use AVAHI/DNSSD to discover compatible devices and their status")
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