ZeekPluginStatic.cmake

## A set of functions for defining Zeek plugins.
##
## This set is for plugins compiled in statically.
## See ZeekPluginDynamic.cmake for the dynamic version.

function(bro_plugin_bif_static)
    foreach ( bif ${ARGV} )
        bif_target(${bif} "plugin" ${_plugin_name} ${_plugin_name_canon} TRUE)
        list(APPEND _plugin_objs ${BIF_OUTPUT_CC})
        list(APPEND _plugin_deps ${BIF_BUILD_TARGET})
        set(_plugin_objs "${_plugin_objs}" PARENT_SCOPE)
        set(_plugin_deps "${_plugin_deps}" PARENT_SCOPE)
    endforeach ()
endfunction()

function(bro_plugin_link_library_static)
    foreach ( lib ${ARGV} )
        set(bro_PLUGIN_LINK_LIBS ${bro_PLUGIN_LINK_LIBS} "${lib}" CACHE INTERNAL "plugin link libraries")
    endforeach ()
endfunction()

function(bro_plugin_end_static)
    add_library(${_plugin_lib} OBJECT ${_plugin_objs})

    if ( NOT "${_plugin_deps}" STREQUAL "" )
        add_dependencies(${_plugin_lib} ${_plugin_deps})
    endif ()

    add_dependencies(${_plugin_lib} generate_outputs)

    set(preload_script ${_plugin_name_canon}/__preload__.zeek)
    if (EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/scripts/__preload__.zeek)
        file(APPEND ${Zeek_BINARY_DIR}/scripts/builtin-plugins/__preload__.zeek "\n@load ${preload_script}")
    endif()
    set(load_script ${_plugin_name_canon}/__load__.zeek)
    if (EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/scripts/__load__.zeek)
        file(APPEND ${Zeek_BINARY_DIR}/scripts/builtin-plugins/__load__.zeek "\n@load ${load_script}")
    endif()

    get_filename_component(plugin_name ${CMAKE_CURRENT_SOURCE_DIR} NAME)
    if ( IS_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/scripts" )
        install(DIRECTORY ./scripts/
            DESTINATION "${ZEEK_SCRIPT_INSTALL_PATH}/builtin-plugins/${_plugin_name_canon}"
            FILES_MATCHING
                PATTERN "*.zeek"
                PATTERN "*.sig"
                PATTERN "*.fp")

        # Make a plugin directory and symlink the scripts directory into it 
        # so that the development ZEEKPATH will work too.
        file(MAKE_DIRECTORY ${Zeek_BINARY_DIR}/scripts/builtin-plugins)
        execute_process(COMMAND "${CMAKE_COMMAND}" -E create_symlink
                    "${CMAKE_CURRENT_SOURCE_DIR}/scripts"
                    "${Zeek_BINARY_DIR}/scripts/builtin-plugins/${_plugin_name_canon}")
    endif ()

    set(bro_PLUGIN_LIBS ${bro_PLUGIN_LIBS} "$<TARGET_OBJECTS:${_plugin_lib}>" CACHE INTERNAL "plugin libraries")
    set(bro_PLUGIN_DEPS ${bro_PLUGIN_DEPS} "${_plugin_lib}" CACHE INTERNAL "plugin dependencies")
endfunction()

macro(_plugin_target_name_static target ns name)
    set(${target} "plugin-${ns}-${name}")
endmacro()