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CMakeLists.txt
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CMakeLists.txt
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# When changing the minimum version here, also adapt
# auxil/zeek-aux/plugin-support/skeleton/CMakeLists.txt
cmake_minimum_required(VERSION 3.15.0 FATAL_ERROR)
if ( WIN32 )
# Enable usage of CMAKE_MSVC_RUNTIME_LIBRARY variable
cmake_policy(SET CMP0091 NEW)
endif()
project(Zeek C CXX)
option(ZEEK_STANDALONE "Is Zeek compiled stand-alone or embedded in a parent project." ON)
option(ENABLE_ZEEK_UNIT_TESTS "Should the doctest unit tests be built?" ON)
list(APPEND CMAKE_MODULE_PATH ${CMAKE_BINARY_DIR})
list(APPEND CMAKE_PREFIX_PATH ${CMAKE_BINARY_DIR})
# Windows: Configure runtime and dependencies
if ( MSVC )
# Remove existing runtime flags
set(CompilerFlags
CMAKE_CXX_FLAGS
CMAKE_CXX_FLAGS_DEBUG
CMAKE_CXX_FLAGS_RELEASE
CMAKE_CXX_FLAGS_RELWITHDEBINFO
CMAKE_C_FLAGS
CMAKE_C_FLAGS_DEBUG
CMAKE_C_FLAGS_RELEASE
CMAKE_C_FLAGS_RELWITHDEBINFO
)
foreach(CompilerFlag ${CompilerFlags})
string(REGEX REPLACE "[/|-]MDd" "" ${CompilerFlag} "${${CompilerFlag}}")
string(REGEX REPLACE "[/|-]MD" "" ${CompilerFlag} "${${CompilerFlag}}")
string(REGEX REPLACE "[/|-]MTd" "" ${CompilerFlag} "${${CompilerFlag}}")
string(REGEX REPLACE "[/|-]MT" "" ${CompilerFlag} "${${CompilerFlag}}")
string(REGEX REPLACE "[/|-]Zi" "" ${CompilerFlag} "${${CompilerFlag}}")
string(REGEX REPLACE "[/|-]W3" "" ${CompilerFlag} "${${CompilerFlag}}")
string(REGEX REPLACE "[/|-]W4" "" ${CompilerFlag} "${${CompilerFlag}}")
endforeach()
# Set compilation flags for Windows
add_compile_options(
/guard:cf # required by CheckCFlags
/Z7) # required by CheckCFlags
add_link_options(
/debug:full # required by CheckCFlags
)
# Set always to static runtime
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /MT")
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} /MTd")
if (CMAKE_BUILD_TYPE STREQUAL "Debug")
set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreadedDebug")
set(CMAKE_MSVC_RUNTIME_LIBRARY_FLAG "MTd")
else ()
set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded")
set(CMAKE_MSVC_RUNTIME_LIBRARY_FLAG "MT")
endif ()
set(OPENSSL_USE_STATIC_LIBS true)
set(OPENSSL_MSVC_STATIC_RT true)
if ( ZEEK_STANDALONE )
include(${CMAKE_SOURCE_DIR}/cmake/conan.cmake)
conan_cmake_autodetect(settings)
# Install packages from conanfile
conan_cmake_install(PATH_OR_REFERENCE ${CMAKE_SOURCE_DIR}/ci/windows/conanfile_windows.txt
BUILD missing
SETTINGS ${settings})
endif()
# Set LibPCAP to point to libpcap binaries.
find_package(libpcap)
set(PCAP_ROOT_DIR "${libpcap_LIB_DIRS}/../")
set(PCAP_INCLUDE_DIR ${libpcap_INCLUDES})
set(PCAP_LIBRARY ${libpcap_LIBS})
set(LIBPCAP_PCAP_COMPILE_NOPCAP_HAS_ERROR_PARAMETER false)
# Set ZLib to point at the right variable.
find_package(ZLIB)
set(ZLIB_LIBRARY ${ZLIB_LIBRARIES})
# Set CAres
find_package(c-ares)
set(HAVE_CARES true) # Disable FindCAres cmake file
include_directories(BEFORE ${c-ares_INCLUDE_DIRS})
set(zeekdeps ${zeekdeps} ${c-ares_LIBRARIES})
add_definitions(-DCARES_STATICLIB)
add_subdirectory(auxil/libunistd)
set(UNISTD_INCLUDES ${CMAKE_SOURCE_DIR}/auxil/libunistd/unistd ${CMAKE_SOURCE_DIR}/auxil/libunistd/regex)
include_directories(BEFORE ${UNISTD_INCLUDES})
# Required for `check_include_files` to operate correctly
list(APPEND CMAKE_REQUIRED_INCLUDES ${UNISTD_INCLUDES})
list(APPEND zeekdeps libunistd libregex)
# Set CMAKE flags for supported windows build.
set(DISABLE_PYTHON_BINDINGS true)
set(BROKER_DISABLE_TESTS true)
set(BROKER_DISABLE_DOC_EXAMPLES true)
add_definitions(-DDOCTEST_CONFIG_NO_MULTITHREADING)
# Disable Spicy as it is not yet supported in Windows.
set(DISABLE_SPICY true)
else ()
include(GNUInstallDirs)
endif ()
include(cmake/CommonCMakeConfig.cmake)
include(cmake/FindClangTidy.cmake)
include(cmake/CheckCompilerArch.cmake)
########################################################################
## Project/Build Configuration
if ( ZEEK_ENABLE_FUZZERS )
# Fuzzers use shared lib to save disk space, so need -fPIC on everything
set(CMAKE_POSITION_INDEPENDENT_CODE ON)
endif ()
if (ENABLE_ZEEK_UNIT_TESTS)
enable_testing()
add_definitions(-DDOCTEST_CONFIG_SUPER_FAST_ASSERTS)
else ()
add_definitions(-DDOCTEST_CONFIG_DISABLE)
endif ()
if ( ENABLE_CCACHE )
find_program(CCACHE_PROGRAM ccache)
if ( NOT CCACHE_PROGRAM )
message(FATAL_ERROR "ccache not found")
endif ()
message(STATUS "Using ccache: ${CCACHE_PROGRAM}")
set(CMAKE_C_COMPILER_LAUNCHER ${CCACHE_PROGRAM})
set(CMAKE_CXX_COMPILER_LAUNCHER ${CCACHE_PROGRAM})
endif ()
set(ZEEK_ROOT_DIR ${CMAKE_INSTALL_PREFIX})
if (NOT ZEEK_SCRIPT_INSTALL_PATH)
# set the default Zeek script installation path (user did not specify one)
set(ZEEK_SCRIPT_INSTALL_PATH ${ZEEK_ROOT_DIR}/share/zeek)
endif ()
if (NOT ZEEK_MAN_INSTALL_PATH)
# set the default Zeek man page installation path (user did not specify one)
set(ZEEK_MAN_INSTALL_PATH ${ZEEK_ROOT_DIR}/share/man)
endif ()
# sanitize the Zeek script install directory into an absolute path
# (CMake is confused by ~ as a representation of home directory)
get_filename_component(ZEEK_SCRIPT_INSTALL_PATH ${ZEEK_SCRIPT_INSTALL_PATH}
ABSOLUTE)
# A folder for library-like Zeek-specific things: Python modules, Zeek
# plugins, etc.
set(ZEEK_LIBDIR_PATH ${CMAKE_INSTALL_FULL_LIBDIR}/zeek)
if (ZEEK_PLUGIN_DIR)
set(BRO_PLUGIN_INSTALL_PATH ${ZEEK_PLUGIN_DIR}
CACHE STRING "Installation path for plugins" FORCE)
else ()
set(BRO_PLUGIN_INSTALL_PATH ${ZEEK_LIBDIR_PATH}/plugins
CACHE STRING "Installation path for plugins" FORCE)
endif()
set(bro_plugin_install_path "${BRO_PLUGIN_INSTALL_PATH}")
set(cmake_binary_dir "${CMAKE_BINARY_DIR}")
set(cmake_current_binary_dir "${CMAKE_CURRENT_BINARY_DIR}")
set(cmake_install_prefix "${CMAKE_INSTALL_PREFIX}")
set(cmake_source_dir "${CMAKE_SOURCE_DIR}")
set(zeek_script_install_path "${ZEEK_SCRIPT_INSTALL_PATH}")
if ( MSVC )
string(REGEX REPLACE "^([A-Za-z]):/(.*)" "/\\1/\\2" bro_plugin_install_path "${bro_plugin_install_path}")
string(REGEX REPLACE "^([A-Za-z]):/(.*)" "/\\1/\\2" cmake_binary_dir "${cmake_binary_dir}")
string(REGEX REPLACE "^([A-Za-z]):/(.*)" "/\\1/\\2" cmake_current_binary_dir "${cmake_current_binary_dir}")
string(REGEX REPLACE "^([A-Za-z]):/(.*)" "/\\1/\\2" cmake_install_prefix "${cmake_install_prefix}")
string(REGEX REPLACE "^([A-Za-z]):/(.*)" "/\\1/\\2" cmake_source_dir "${cmake_source_dir}")
string(REGEX REPLACE "^([A-Za-z]):/(.*)" "/\\1/\\2" zeek_script_install_path "${zeek_script_install_path}")
endif ()
if ( NOT ZEEK_ETC_INSTALL_DIR )
set(ZEEK_ETC_INSTALL_DIR ${ZEEK_ROOT_DIR}/etc)
endif ()
if ( NOT ZEEK_STATE_DIR )
set(ZEEK_STATE_DIR ${ZEEK_ROOT_DIR}/var/lib)
endif ()
if ( NOT ZEEK_SPOOL_DIR )
set(ZEEK_SPOOL_DIR ${ZEEK_ROOT_DIR}/spool)
endif ()
if ( NOT ZEEK_LOG_DIR )
set(ZEEK_LOG_DIR ${ZEEK_ROOT_DIR}/logs)
endif ()
if ( NOT MSVC )
set(HAVE_SUPERVISOR true)
endif ()
install(DIRECTORY DESTINATION ${ZEEK_ETC_INSTALL_DIR})
install(DIRECTORY DESTINATION ${ZEEK_STATE_DIR})
install(DIRECTORY DESTINATION ${ZEEK_SPOOL_DIR})
install(DIRECTORY DESTINATION ${ZEEK_LOG_DIR})
configure_file(zeek-path-dev.in ${CMAKE_CURRENT_BINARY_DIR}/zeek-path-dev)
execute_process(COMMAND "${CMAKE_COMMAND}" -E create_symlink
"${CMAKE_CURRENT_BINARY_DIR}/zeek-wrapper.in"
"${CMAKE_CURRENT_BINARY_DIR}/bro-path-dev")
file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/zeek-path-dev.sh
"export ZEEKPATH=`${CMAKE_CURRENT_BINARY_DIR}/zeek-path-dev`\n"
"export ZEEK_PLUGIN_PATH=\"${CMAKE_CURRENT_BINARY_DIR}/src\":${ZEEK_PLUGIN_PATH}\n"
"export PATH=\"${CMAKE_CURRENT_BINARY_DIR}\":\"${CMAKE_CURRENT_BINARY_DIR}/src\":\"${CMAKE_CURRENT_BINARY_DIR}/auxil/spicy/spicy/bin\":\"${CMAKE_CURRENT_BINARY_DIR}/src/builtin-plugins/spicy-plugin/bin\":$PATH\n"
"export SPICY_PATH=\"`${CMAKE_CURRENT_BINARY_DIR}/spicy-path`\"\n"
"export HILTI_CXX_INCLUDE_DIRS=\"`${CMAKE_CURRENT_BINARY_DIR}/hilti-cxx-include-dirs`\"\n")
file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/zeek-path-dev.csh
"setenv ZEEKPATH `${CMAKE_CURRENT_BINARY_DIR}/zeek-path-dev`\n"
"setenv ZEEK_PLUGIN_PATH \"${CMAKE_CURRENT_BINARY_DIR}/src\":${ZEEK_PLUGIN_PATH}\n"
"setenv PATH \"${CMAKE_CURRENT_BINARY_DIR}\":\"${CMAKE_CURRENT_BINARY_DIR}/src\":\"${CMAKE_CURRENT_BINARY_DIR}/auxil/spicy/spicy/bin\":\"${CMAKE_CURRENT_BINARY_DIR}/src/builtin-plugins/spicy-plugin/bin\":$PATH\n"
"setenv SPICY_PATH \"`${CMAKE_CURRENT_BINARY_DIR}/spicy-path`\"\n"
"setenv HILTI_CXX_INCLUDE_DIRS \"`${CMAKE_CURRENT_BINARY_DIR}/hilti-cxx-include-dirs`\"\n")
file(STRINGS "${CMAKE_CURRENT_SOURCE_DIR}/VERSION" VERSION LIMIT_COUNT 1)
execute_process(COMMAND grep "^constexpr int PLUGIN_API_VERSION"
INPUT_FILE ${CMAKE_CURRENT_SOURCE_DIR}/src/plugin/Plugin.h
OUTPUT_VARIABLE API_VERSION
OUTPUT_STRIP_TRAILING_WHITESPACE)
string(REGEX MATCH "^constexpr int PLUGIN_API_VERSION = ([0-9]+);" API_VERSION "${API_VERSION}")
set(API_VERSION "${CMAKE_MATCH_1}")
string(REGEX REPLACE "[.-]" " " version_numbers ${VERSION})
separate_arguments(version_numbers)
list(GET version_numbers 0 VERSION_MAJOR)
list(GET version_numbers 1 VERSION_MINOR)
list(GET version_numbers 2 VERSION_PATCH)
set(VERSION_MAJ_MIN "${VERSION_MAJOR}.${VERSION_MINOR}")
math(EXPR ZEEK_VERSION_NUMBER
"${VERSION_MAJOR} * 10000 + ${VERSION_MINOR} * 100 + ${VERSION_PATCH}")
set(VERSION_C_IDENT "${VERSION}_plugin_${API_VERSION}")
string(REGEX REPLACE "-[0-9]*$" "_git" VERSION_C_IDENT "${VERSION_C_IDENT}")
string(REGEX REPLACE "[^a-zA-Z0-9_\$]" "_" VERSION_C_IDENT "${VERSION_C_IDENT}")
if(${ENABLE_DEBUG})
set(VERSION_C_IDENT "${VERSION_C_IDENT}_debug")
endif()
if ( NOT BINARY_PACKAGING_MODE )
macro(_make_install_dir_symlink _target _link)
install(CODE "
if ( \"\$ENV{DESTDIR}\" STREQUAL \"\" )
if ( EXISTS \"${_target}\" AND NOT EXISTS \"${_link}\" )
message(STATUS \"WARNING: installed ${_link} as symlink to ${_target}\")
execute_process(COMMAND \"${CMAKE_COMMAND}\" -E create_symlink
\"${_target}\" \"${_link}\")
endif ()
endif ()
")
endmacro()
if ( "${CMAKE_INSTALL_PREFIX}" STREQUAL "/usr/local/zeek" )
# If we're installing into the default prefix, check if the
# old default prefix already exists and symlink to it.
# This is done to help keep custom user configuration/installation
# if they're upgrading from a version before Zeek 3.0.
_make_install_dir_symlink("/usr/local/bro" "/usr/local/zeek")
endif ()
# Check whether we need to symlink directories used by versions
# before Zeek 3.0.
_make_install_dir_symlink("${CMAKE_INSTALL_PREFIX}/include/bro" "${CMAKE_INSTALL_PREFIX}/include/zeek")
_make_install_dir_symlink("${CMAKE_INSTALL_PREFIX}/share/bro" "${CMAKE_INSTALL_PREFIX}/share/zeek")
_make_install_dir_symlink("${CMAKE_INSTALL_PREFIX}/lib/bro" "${CMAKE_INSTALL_FULL_LIBDIR}/zeek")
endif ()
if ( ZEEK_SANITIZERS )
# Check the thread library info early as setting compiler flags seems to
# interfere with the detection and cause CMAKE_THREAD_LIBS_INIT to not
# include -lpthread when it should.
find_package(Threads)
string(REPLACE "," " " _sanitizer_args "${ZEEK_SANITIZERS}")
separate_arguments(_sanitizer_args)
set(ZEEK_SANITIZERS "")
foreach ( _sanitizer ${_sanitizer_args} )
if ( ZEEK_SANITIZERS )
set(ZEEK_SANITIZERS "${ZEEK_SANITIZERS},")
endif ()
if ( _sanitizer STREQUAL "thread" )
set(ZEEK_TSAN true)
endif ()
if ( NOT _sanitizer STREQUAL "undefined" )
set(ZEEK_SANITIZERS "${ZEEK_SANITIZERS}${_sanitizer}")
continue()
endif ()
if ( NOT DEFINED ZEEK_SANITIZER_UB_CHECKS )
if ( DEFINED ENV{ZEEK_TAILORED_UB_CHECKS} )
# list(APPEND _check_list "alignment") # TODO: fix associated errors
list(APPEND _check_list "bool")
# list(APPEND _check_list "builtin") # Not implemented in older GCCs
list(APPEND _check_list "bounds") # Covers both array/local bounds options below
# list(APPEND _check_list "array-bounds") # Not implemented by GCC
# list(APPEND _check_list "local-bounds") # Not normally part of "undefined"
list(APPEND _check_list "enum")
list(APPEND _check_list "float-cast-overflow")
list(APPEND _check_list "float-divide-by-zero")
# list(APPEND _check_list "function") # Not implemented by GCC
# list(APPEND _check_list "implicit-unsigned-integer-truncation") # Not truly UB
# list(APPEND _check_list "implicit-signed-integer-truncation") # Not truly UB
# list(APPEND _check_list "implicit-integer-sign-change") # Not truly UB
list(APPEND _check_list "integer-divide-by-zero")
list(APPEND _check_list "nonnull-attribute")
list(APPEND _check_list "null")
# list(APPEND _check_list "nullability-arg") # Not normally part of "undefined"
# list(APPEND _check_list "nullability-assign") # Not normally part of "undefined"
# list(APPEND _check_list "nullability-return") # Not normally part of "undefined"
# list(APPEND _check_list "objc-cast") # Not truly UB
# list(APPEND _check_list "pointer-overflow") # Not implemented in older GCCs
list(APPEND _check_list "return")
list(APPEND _check_list "returns-nonnull-attribute")
list(APPEND _check_list "shift")
# list(APPEND _check_list "unsigned-shift-base") # Not implemented by GCC
list(APPEND _check_list "signed-integer-overflow")
list(APPEND _check_list "unreachable")
# list(APPEND _check_list "unsigned-integer-overflow") # Not truly UB
list(APPEND _check_list "vla-bound")
list(APPEND _check_list "vptr")
# Clang complains if this one is defined and the optimizer is set to -O0. We
# only set that optimization level if NO_OPTIMIZATIONS is passed, so disable
# the option if that's set.
if ( NOT DEFINED ENV{NO_OPTIMIZATIONS} )
list(APPEND _check_list "object-size")
endif ()
string(REPLACE ";" "," _ub_checks "${_check_list}")
set(ZEEK_SANITIZER_UB_CHECKS "${_ub_checks}" CACHE INTERNAL "" FORCE)
else ()
set(ZEEK_SANITIZER_UB_CHECKS "undefined" CACHE INTERNAL "" FORCE)
endif ()
endif ()
set(ZEEK_SANITIZERS "${ZEEK_SANITIZERS}${ZEEK_SANITIZER_UB_CHECKS}")
endforeach ()
set(_sanitizer_flags "-fsanitize=${ZEEK_SANITIZERS}")
# The linker command used by check_cxx_compiler_flag requires you to also pass the sanitizer to
# it or it fails. The best way to do this is to set CMAKE_REQUIRED_LINK_OPTIONS, but save off a
# copy of it so it can be reset back to what it was previously afterwards.
set(_temp_link_options ${CMAKE_REQUIRED_LINK_OPTIONS})
list(APPEND CMAKE_REQUIRED_LINK_OPTIONS ${_sanitizer_flags})
include(CheckCXXCompilerFlag)
check_cxx_compiler_flag(${_sanitizer_flags} COMPILER_SUPPORTS_SANITIZERS)
if ( NOT COMPILER_SUPPORTS_SANITIZERS )
message(FATAL_ERROR "Invalid sanitizer compiler flags: ${_sanitizer_flags}")
endif()
set(CMAKE_REQUIRED_LINK_OPTIONS ${_temp_link_options})
if ( ZEEK_SANITIZER_UB_CHECKS )
set(_sanitizer_flags "${_sanitizer_flags} -fno-sanitize-recover=${ZEEK_SANITIZER_UB_CHECKS}")
endif ()
set(_sanitizer_flags "${_sanitizer_flags} -fno-omit-frame-pointer")
set(_sanitizer_flags "${_sanitizer_flags} -fno-optimize-sibling-calls")
if ( NOT DEFINED ZEEK_SANITIZER_OPTIMIZATIONS )
if ( DEFINED ENV{NO_OPTIMIZATIONS} )
# Using -O1 is generally the suggestion to get more reasonable
# performance. The one downside is it that the compiler may
# optimize out code that otherwise generates an error/leak in a -O0
# build, but that should be rare and users mostly will not be
# running unoptimized builds in production anyway.
set(ZEEK_SANITIZER_OPTIMIZATIONS false CACHE INTERNAL "" FORCE)
else ()
set(ZEEK_SANITIZER_OPTIMIZATIONS true CACHE INTERNAL "" FORCE)
endif ()
endif ()
if ( ZEEK_SANITIZER_OPTIMIZATIONS )
set(_sanitizer_flags "${_sanitizer_flags} -O1")
endif ()
# Technically, the we also need to use the compiler to drive linking and
# give the sanitizer flags there, too. However, CMake, by default, uses
# the compiler for linking and so the automatically flags get used. See
# https://cmake.org/pipermail/cmake/2014-August/058268.html
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${_sanitizer_flags}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${_sanitizer_flags}")
endif()
########################################################################
## Dependency Configuration
include(FindRequiredPackage)
# Check cache value first to avoid displaying "Found sed" messages everytime
if (NOT SED_EXE)
find_program(SED_EXE sed)
if (NOT SED_EXE)
message(FATAL_ERROR "Could not find required dependency: sed")
else ()
message(STATUS "Found sed: ${SED_EXE}")
endif ()
endif ()
list(APPEND Python_ADDITIONAL_VERSIONS 3)
FindRequiredPackage(PythonInterp)
FindRequiredPackage(FLEX)
FindRequiredPackage(BISON)
FindRequiredPackage(PCAP)
FindRequiredPackage(OpenSSL)
if ( NOT MSVC )
FindRequiredPackage(BIND)
endif ()
FindRequiredPackage(ZLIB)
# Installation directory for the distribution's Python modules. An
# override via configure's --python-dir wins, specifying a directory
# explicitly. Next is --python-prefix, which includes a versioned
# Python folder as the --prefix option in distutils does. Next
# consider a distutils --home style override via --python-home, and
# finally default to "zeek/python" in our libdir.
if (ZEEK_PYTHON_DIR)
set(py_mod_install_dir ${ZEEK_PYTHON_DIR})
elseif (ZEEK_PYTHON_PREFIX)
set(pyver ${PYTHON_VERSION_MAJOR}.${PYTHON_VERSION_MINOR})
set(py_mod_install_dir ${ZEEK_PYTHON_PREFIX}/lib/python${pyver}/site-packages)
elseif (ZEEK_PYTHON_HOME)
set(py_mod_install_dir ${ZEEK_PYTHON_HOME}/lib/python)
else ()
set(py_mod_install_dir ${ZEEK_LIBDIR_PATH}/python)
endif ()
set(PY_MOD_INSTALL_DIR ${py_mod_install_dir}
CACHE STRING "Installation path for Python modules" FORCE)
if (EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/auxil/binpac/CMakeLists.txt)
set(ENABLE_STATIC_ONLY_SAVED ${ENABLE_STATIC_ONLY})
if ( MSVC )
set(BUILD_STATIC_BINPAC true)
endif()
if ( BUILD_STATIC_BINPAC )
set(ENABLE_STATIC_ONLY true)
endif()
add_subdirectory(auxil/binpac)
set(ENABLE_STATIC_ONLY ${ENABLE_STATIC_ONLY_SAVED})
endif ()
FindRequiredPackage(BinPAC)
if ( NOT BIFCL_EXE_PATH )
add_subdirectory(auxil/bifcl)
endif ()
if ( NOT GEN_ZAM_EXE_PATH )
add_subdirectory(auxil/gen-zam)
endif ()
if (ENABLE_JEMALLOC)
if (${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD")
if (DEFINED JEMALLOC_ROOT_DIR)
# Look for jemalloc at a specific path
find_package(JeMalloc)
else()
# jemalloc is in the base system
set(JEMALLOC_FOUND true)
endif()
else()
find_package(JeMalloc)
endif()
if (NOT JEMALLOC_FOUND)
message(FATAL_ERROR "Could not find requested JeMalloc")
endif()
endif ()
if ( BISON_VERSION AND BISON_VERSION VERSION_LESS 2.5 )
set(MISSING_PREREQS true)
list(APPEND MISSING_PREREQ_DESCS
" Could not find prerequisite package Bison >= 2.5, found: ${BISON_VERSION}")
endif ()
if (MISSING_PREREQS)
foreach (prereq ${MISSING_PREREQ_DESCS})
message(SEND_ERROR ${prereq})
endforeach ()
message(FATAL_ERROR "Configuration aborted due to missing prerequisites")
endif ()
set(ZEEK_PYTHON_MIN 3.5.0)
if ( PYTHON_VERSION_STRING VERSION_LESS ${ZEEK_PYTHON_MIN} )
message(FATAL_ERROR "Python ${ZEEK_PYTHON_MIN} or greater is required.")
endif ()
add_subdirectory(auxil/paraglob)
if ( MSVC )
cmake_policy(SET CMP0079 NEW)
target_link_libraries(paraglob shlwapi)
set(BROKER_DISABLE_TOOLS true)
endif ()
set(zeekdeps ${zeekdeps} paraglob)
if ( Broker_ROOT )
find_package(Broker REQUIRED PATHS "${Broker_ROOT}")
set(zeekdeps ${zeekdeps} ${BROKER_LIBRARY})
set(broker_includes ${BROKER_INCLUDE_DIR})
elseif ( BROKER_ROOT_DIR )
find_package(Broker REQUIRED PATHS "${BROKER_ROOT_DIR}")
set(zeekdeps ${zeekdeps} ${BROKER_LIBRARY})
set(broker_includes ${BROKER_INCLUDE_DIR})
else ()
if ( ZEEK_SANITIZERS )
set(BROKER_SANITIZERS ${ZEEK_SANITIZERS})
endif ()
set(ENABLE_STATIC_ONLY_SAVED ${ENABLE_STATIC_ONLY})
if ( MSVC )
set(BUILD_STATIC_BROKER true)
endif()
if ( BUILD_STATIC_BROKER )
set(ENABLE_STATIC_ONLY true)
endif()
add_subdirectory(auxil/broker)
set(ENABLE_STATIC_ONLY ${ENABLE_STATIC_ONLY_SAVED})
if ( BUILD_STATIC_BROKER )
set(zeekdeps ${zeekdeps} broker_static)
else()
set(zeekdeps ${zeekdeps} broker)
endif()
set(broker_includes ${CMAKE_CURRENT_SOURCE_DIR}/auxil/broker/include ${CMAKE_CURRENT_BINARY_DIR}/auxil/broker/include)
endif ()
if ( NOT DISABLE_SPICY )
if ( NOT SPICY_ROOT_DIR )
add_subdirectory(auxil/spicy)
# Set variables used by the spicy-plugin build since we are building Spicy
# as part of Zeek so spicy-plugin cannot use `spicy-config` at configure
# time to set these.
set(SPICY_CONFIG "<builtin>")
set(HAVE_SPICY "YES")
set(SPICY_HAVE_TOOLCHAIN "YES")
set(SPICY_INCLUDE_DIRS_RUNTIME
${PROJECT_SOURCE_DIR}/auxil/spicy/spicy/hilti/runtime/include
${PROJECT_SOURCE_DIR}/auxil/spicy/spicy/spicy/runtime/include
${PROJECT_BINARY_DIR}/auxil/spicy/spicy/include)
set(SPICY_INCLUDE_DIRS_TOOLCHAIN
${PROJECT_SOURCE_DIR}/auxil/spicy/spicy/hilti/toolchain/include
${PROJECT_SOURCE_DIR}/auxil/spicy/spicy/spicy/toolchain/include)
set(SPICY_LIBRARY spicy)
# Needed only for logging from CMake configure phase.
get_directory_property(
SPICY_VERSION
DIRECTORY ${PROJECT_SOURCE_DIR}/auxil/spicy/spicy
DEFINITION SPICY_VERSION)
get_directory_property(
SPICY_VERSION_NUMBER
DIRECTORY ${PROJECT_SOURCE_DIR}/auxil/spicy/spicy
DEFINITION SPICY_VERSION_NUMBER)
get_directory_property(
SPICY_PREFIX
DIRECTORY ${PROJECT_SOURCE_DIR}/auxil/spicy/spicy
DEFINITION CMAKE_INSTALL_PREFIX)
get_directory_property(
SPICY_BUILD_MODE
DIRECTORY ${PROJECT_SOURCE_DIR}/auxil/spicy/spicy
DEFINITION CMAKE_BUILD_TYPE)
set(SPICYC "<bundled>")
endif ()
if ( NOT SPICY_PLUGIN_PATH )
set(SPICY_PLUGIN_PATH ${CMAKE_SOURCE_DIR}/auxil/spicy-plugin)
endif ()
string(APPEND ZEEK_INCLUDE_PLUGINS ";${SPICY_PLUGIN_PATH}")
endif ()
include_directories(BEFORE
${PCAP_INCLUDE_DIR}
${BIND_INCLUDE_DIR}
${BinPAC_INCLUDE_DIR}
${ZLIB_INCLUDE_DIR}
${JEMALLOC_INCLUDE_DIR}
)
install(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/auxil/rapidjson/include/rapidjson
DESTINATION include/zeek/3rdparty/rapidjson/include)
install(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/auxil/filesystem/include/ghc
DESTINATION include/zeek/3rdparty/)
# Create 3rdparty/ghc within the build directory so that the include for
# "zeek/3rdparty/ghc/filesystem.hpp" works within the build tree.
execute_process(COMMAND "${CMAKE_COMMAND}" -E make_directory
"${CMAKE_CURRENT_BINARY_DIR}/3rdparty/")
execute_process(COMMAND "${CMAKE_COMMAND}" -E create_symlink
"${CMAKE_CURRENT_SOURCE_DIR}/auxil/filesystem/include/ghc"
"${CMAKE_CURRENT_BINARY_DIR}/3rdparty/ghc")
# Optional Dependencies
set(USE_GEOIP false)
find_package(LibMMDB)
if (LIBMMDB_FOUND)
set(USE_GEOIP true)
include_directories(BEFORE ${LibMMDB_INCLUDE_DIR})
list(APPEND OPTLIBS ${LibMMDB_LIBRARY})
endif ()
set(USE_KRB5 false)
if ( ${CMAKE_SYSTEM_NAME} MATCHES Linux )
find_package(LibKrb5)
if (LIBKRB5_FOUND)
set(USE_KRB5 true)
include_directories(BEFORE ${LibKrb5_INCLUDE_DIR})
list(APPEND OPTLIBS ${LibKrb5_LIBRARY})
endif ()
endif ()
set(HAVE_PERFTOOLS false)
set(USE_PERFTOOLS_DEBUG false)
set(USE_PERFTOOLS_TCMALLOC false)
if ( ENABLE_PERFTOOLS )
find_package(GooglePerftools)
if ( GOOGLEPERFTOOLS_FOUND OR TCMALLOC_FOUND )
set(HAVE_PERFTOOLS true)
set(USE_PERFTOOLS_TCMALLOC true)
if (ENABLE_PERFTOOLS_DEBUG)
# Enable heap debugging with perftools.
set(USE_PERFTOOLS_DEBUG true)
include_directories(BEFORE ${GooglePerftools_INCLUDE_DIR})
list(APPEND OPTLIBS ${GooglePerftools_LIBRARIES_DEBUG})
else ()
# Link in tcmalloc.
list(APPEND OPTLIBS ${GooglePerftools_LIBRARIES})
endif ()
else()
message(FATAL_ERROR "Could not find requested Google Perftools.")
endif ()
endif ()
# Making sure any non-standard OpenSSL includes get searched earlier
# than other dependencies which tend to be in standard system locations
# and thus cause the system OpenSSL headers to still be picked up even
# if one specifies --with-openssl (which may be common).
include_directories(BEFORE ${OPENSSL_INCLUDE_DIR})
# Determine if libfts is external to libc, i.e. musl
find_package(FTS)
if ( FTS_FOUND )
list(APPEND OPTLIBS ${FTS_LIBRARY})
include_directories(BEFORE ${FTS_INCLUDE_DIR})
endif ()
# Any headers that are possibly bundled in the Zeek source-tree and that are supposed
# to have priority over any preexisting/system-wide headers need to appear early in
# compiler search path.
include_directories(BEFORE ${broker_includes})
include_directories(BEFORE ${CMAKE_CURRENT_SOURCE_DIR}/auxil/highwayhash)
include_directories(BEFORE ${CMAKE_CURRENT_SOURCE_DIR}/auxil/paraglob/include)
include_directories(BEFORE ${CMAKE_CURRENT_SOURCE_DIR}/auxil/rapidjson/include)
set(zeekdeps ${zeekdeps}
${BinPAC_LIBRARY}
${PCAP_LIBRARY}
${OPENSSL_LIBRARIES}
${BIND_LIBRARY}
${ZLIB_LIBRARY}
${JEMALLOC_LIBRARIES}
${OPTLIBS}
)
########################################################################
## System Introspection
include(TestBigEndian)
test_big_endian(WORDS_BIGENDIAN)
include(CheckSymbolExists)
check_symbol_exists(htonll arpa/inet.h HAVE_BYTEORDER_64)
include(OSSpecific)
include(CheckTypes)
include(CheckHeaders)
include(CheckFunctions)
include(MiscTests)
include(PCAPTests)
include(OpenSSLTests)
include(CheckNameserCompat)
include(GetArchitecture)
include(RequireCXX17)
include(FindKqueue)
include(FindCAres)
include_directories(BEFORE "auxil/out_ptr/include")
if ( (OPENSSL_VERSION VERSION_EQUAL "1.1.0") OR (OPENSSL_VERSION VERSION_GREATER "1.1.0") )
set(ZEEK_HAVE_OPENSSL_1_1 true CACHE INTERNAL "" FORCE)
endif()
if ( (OPENSSL_VERSION VERSION_EQUAL "3.0.0") OR (OPENSSL_VERSION VERSION_GREATER "3.0.0") )
set(ZEEK_HAVE_OPENSSL_3_0 true CACHE INTERNAL "" FORCE)
endif()
# Tell the plugin code that we're building as part of the main tree.
set(ZEEK_PLUGIN_INTERNAL_BUILD true CACHE INTERNAL "" FORCE)
if ( ${CMAKE_SYSTEM_NAME} MATCHES Linux )
if ( NOT DISABLE_AF_PACKET )
if ( NOT AF_PACKET_PLUGIN_PATH )
set(AF_PACKET_PLUGIN_PATH ${CMAKE_SOURCE_DIR}/auxil/zeek-af_packet-plugin)
endif ()
string(APPEND ZEEK_INCLUDE_PLUGINS ";${AF_PACKET_PLUGIN_PATH}")
endif ()
endif ()
set(DEFAULT_ZEEKPATH_PATHS . ${ZEEK_SCRIPT_INSTALL_PATH} ${ZEEK_SCRIPT_INSTALL_PATH}/policy ${ZEEK_SCRIPT_INSTALL_PATH}/site ${ZEEK_SCRIPT_INSTALL_PATH}/builtin-plugins)
if ( MSVC )
list(JOIN DEFAULT_ZEEKPATH_PATHS ";" DEFAULT_ZEEKPATH)
else ()
list(JOIN DEFAULT_ZEEKPATH_PATHS ":" DEFAULT_ZEEKPATH)
endif ()
if ( NOT BINARY_PACKAGING_MODE )
set(ZEEK_DIST ${PROJECT_SOURCE_DIR})
endif ()
string(TOLOWER ${CMAKE_BUILD_TYPE} CMAKE_BUILD_TYPE_LOWER)
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/zeek-config.h.in
${CMAKE_CURRENT_BINARY_DIR}/zeek-config.h)
include_directories(BEFORE ${CMAKE_CURRENT_BINARY_DIR})
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/zeek-config.h DESTINATION include/zeek)
execute_process(COMMAND "${CMAKE_COMMAND}" -E create_symlink
"."
"${CMAKE_CURRENT_BINARY_DIR}/zeek")
if ( BinPAC_ROOT_DIR )
set(ZEEK_CONFIG_BINPAC_ROOT_DIR ${BinPAC_ROOT_DIR})
else ()
set(ZEEK_CONFIG_BINPAC_ROOT_DIR ${ZEEK_ROOT_DIR})
endif ()
if ( BROKER_ROOT_DIR )
set(ZEEK_CONFIG_BROKER_ROOT_DIR ${BROKER_ROOT_DIR})
else ()
set(ZEEK_CONFIG_BROKER_ROOT_DIR ${ZEEK_ROOT_DIR})
endif ()
if ( PCAP_INCLUDE_DIR )
set(ZEEK_CONFIG_PCAP_INCLUDE_DIR ${PCAP_INCLUDE_DIR})
endif ()
if ( ZLIB_INCLUDE_DIR )
set(ZEEK_CONFIG_ZLIB_INCLUDE_DIR ${ZLIB_INCLUDE_DIR})
endif ()
if ( OPENSSL_INCLUDE_DIR )
set(ZEEK_CONFIG_OPENSSL_INCLUDE_DIR ${OPENSSL_INCLUDE_DIR})
endif ()
if ( LibKrb5_INCLUDE_DIR )
set(ZEEK_CONFIG_LibKrb5_INCLUDE_DIR ${LibKrb5_INCLUDE_DIR})
endif ()
if ( GooglePerftools_INCLUDE_DIR )
set(ZEEK_CONFIG_GooglePerftools_INCLUDE_DIR ${GooglePerftools_INCLUDE_DIR})
endif ()
set(ZEEK_CONFIG_BTEST_TOOLS_DIR ${ZEEK_ROOT_DIR}/share/btest)
install(DIRECTORY DESTINATION ${ZEEK_CONFIG_BTEST_TOOLS_DIR})
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/zeek-config.in
${CMAKE_CURRENT_BINARY_DIR}/zeek-config @ONLY)
install(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/zeek-config DESTINATION bin)
install(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/cmake DESTINATION share/zeek
USE_SOURCE_PERMISSIONS
PATTERN ".git" EXCLUDE)
if ( NOT MSVC )
# Install wrapper script for Bro-to-Zeek renaming.
include(InstallShellScript)
include(InstallSymlink)
InstallShellScript("bin" "zeek-wrapper.in" "zeek-wrapper")
InstallSymlink("${CMAKE_INSTALL_PREFIX}/bin/zeek-wrapper" "${CMAKE_INSTALL_PREFIX}/bin/bro-config")
endif ()
########################################################################
## zkg configuration
if ( INSTALL_ZKG )
# An etc/zkg directory for zkg's config file simplifies zkg's
# config file code.
set(ZEEK_ZKG_CONFIG_DIR "${ZEEK_ETC_INSTALL_DIR}/zkg")
set(ZEEK_ZKG_STATE_DIR "${ZEEK_STATE_DIR}/zkg")
configure_file(
${CMAKE_CURRENT_SOURCE_DIR}/zkg-config.in
${CMAKE_CURRENT_BINARY_DIR}/zkg-config @ONLY)
install(DIRECTORY DESTINATION var/lib/zkg)
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/zkg-config
DESTINATION ${ZEEK_ZKG_CONFIG_DIR} RENAME config)
endif ()
########################################################################
## Look for external plugins to build in
string(REPLACE "," " " _build_in_plugins "${ZEEK_INCLUDE_PLUGINS}")
separate_arguments(_build_in_plugins)
foreach(plugin_dir ${_build_in_plugins})
if ( NOT IS_ABSOLUTE "${plugin_dir}/CMakeLists.txt" )
message(FATAL_ERROR "Plugins to build in need to be defined with absolute path! ${plugin_dir}")
endif()
if ( NOT EXISTS "${plugin_dir}/CMakeLists.txt" )
message(FATAL_ERROR "No plugin found at ${plugin_dir}!")
endif()
get_filename_component(plugin_name ${plugin_dir} NAME)
# Create a list of plugin directories that will then be added in the src/CMakeLists.txt
list(APPEND BUILTIN_PLUGIN_LIST ${plugin_dir})
message(STATUS " Building in plugin: ${plugin_name} (${plugin_dir})")
if ( "${ZEEK_BUILTIN_PLUGINS}" STREQUAL "" )
set(ZEEK_BUILTIN_PLUGINS ${plugin_name})
else ()
set(ZEEK_BUILTIN_PLUGINS "${ZEEK_BUILTIN_PLUGINS}, ${plugin_name}")
endif ()
endforeach()
########################################################################
## Recurse on sub-directories
add_subdirectory(src)
add_subdirectory(scripts)
add_subdirectory(man)
add_subdirectory(testing)
include(CheckOptionalBuildSources)
CheckOptionalBuildSources(auxil/btest BTest INSTALL_BTEST)
CheckOptionalBuildSources(auxil/package-manager ZKG INSTALL_ZKG)
CheckOptionalBuildSources(auxil/zeekctl ZeekControl INSTALL_ZEEKCTL)
CheckOptionalBuildSources(auxil/zeek-aux Zeek-Aux INSTALL_AUX_TOOLS)
CheckOptionalBuildSources(auxil/zeek-archiver ZeekArchiver INSTALL_ZEEK_ARCHIVER)
CheckOptionalBuildSources(auxil/zeek-client ZeekClient INSTALL_ZEEK_CLIENT)
if ( NOT DISABLE_SPICY )
# The `zeek` binary implicitly depends on the driver object file built
# as part of `spicy`; make that dependency explicit.
add_dependencies(zeek spicyz)
if ( NOT SPICY_ROOT_DIR )
list(APPEND _spicy_rt_libs spicy-rt hilti-rt)
# Use the debug runtime libraries if we are building a debug Zeek.
if ( SPICY_BUILD_MODE STREQUAL "Debug" )
list(TRANSFORM _spicy_rt_libs APPEND "-debug")
endif ()
# If we build spicy-plugin into Zeek we also need to build the Spicy
# runtime dependencies into Zeek. Since no matter how Spicy itself was
# linked this is always a static library, link the object files so we
# get all symbols and can resolve all potential dependencies of
# HLTO files at runtime.
#
# TODO(bbannier): Conceptually cleaner would be linking the runtime
# objects into spicy-plugin and then inherit that up to zeek, but it
# seems this does not work reliable (due incomplete support for object
# libraries in CMake?).
list(TRANSFORM _spicy_rt_libs APPEND "-objects")
target_link_libraries(zeek ${_spicy_rt_libs})
# Make sure we build targets of spicy-plugin after the `spicy` target.
add_dependencies(plugin-Zeek-Spicy spicy)
add_dependencies(spicyz spicy)
# Also install spicy-plugin's CMake files into Zeek's global `cmake/` folder.
#
# NOTE: We do not install spicy-plugin's `FindZeek.cmake` since another
# version of this file is already provided by Zeek.
install(FILES auxil/spicy-plugin/cmake/ZeekSpicyAnalyzerSupport.cmake
auxil/spicy-plugin/cmake/FindSpicy.cmake
DESTINATION share/zeek/cmake)
endif ()
endif ()
# Always generate helper scripts referenced in e.g., `zeek-path-dev.*` so the
# scripts work in any build configuration. If we do not include Spicy these
# files have no actual effect.
#
# Spicy JIT relies on the path of the current executable to figure out
# whether it is run from a build or an install tree. This assumption
# gets broken for e.g., `spicyz` when running from the build tree
# (probably fixable), and also when JIT'ing directly from a `zeek`
# invocation (much harder to fix). Instead we generate shell
# definitions to support running and using Spicy or spicy-plugin
# functionality in the build tree, including JIT'ing directly from
# Zeek.
configure_file(${CMAKE_SOURCE_DIR}/auxil/spicy/spicy-path.in ${CMAKE_BINARY_DIR}/spicy-path @ONLY)
configure_file(${CMAKE_SOURCE_DIR}/auxil/spicy/hilti-cxx-include-dirs.in ${CMAKE_BINARY_DIR}/hilti-cxx-include-dirs @ONLY)
########################################################################
## Packaging Setup
if ( INSTALL_ZEEKCTL OR INSTALL_ZKG OR INSTALL_ZEEK_CLIENT )
# CPack RPM Generator may not automatically detect this
set(CPACK_RPM_PACKAGE_REQUIRES "python >= ${ZEEK_PYTHON_MIN}")
endif ()
# If this CMake project is a sub-project of another, we will not
# configure the generic packaging because CPack will fail in the case
# that the parent project has already configured packaging
if ("${PROJECT_SOURCE_DIR}" STREQUAL "${CMAKE_SOURCE_DIR}")
include(ConfigurePackaging)
ConfigurePackaging(${VERSION})
endif ()
########################################################################
## Build Summary
if (CMAKE_BUILD_TYPE)
string(TOUPPER ${CMAKE_BUILD_TYPE} BuildType)
endif ()
if ( INSTALL_BTEST_PCAPS )
set(_install_btest_tools_msg "all")
else ()
set(_install_btest_tools_msg "no pcaps")
endif ()
set(_bifcl_exe_path "included")
if ( BIFCL_EXE_PATH )
set(_bifcl_exe_path ${BIFCL_EXE_PATH})
endif ()
set(_binpac_exe_path "included")
if ( BINPAC_EXE_PATH )
set(_binpac_exe_path ${BINPAC_EXE_PATH})
endif ()
set(_gen_zam_exe_path "included")
if ( GEN_ZAM_EXE_PATH )
set(_gen_zam_exe_path ${GEN_ZAM_EXE_PATH})
endif ()
message(
"\n====================| Zeek Build Summary |===================="
"\n"
"\nBuild type: ${CMAKE_BUILD_TYPE}"
"\nBuild dir: ${PROJECT_BINARY_DIR}"
"\n"
"\nInstall prefix: ${CMAKE_INSTALL_PREFIX}"
"\nConfig file dir: ${ZEEK_ETC_INSTALL_DIR}"
"\nLog dir: ${ZEEK_LOG_DIR}"
"\nPlugin dir: ${BRO_PLUGIN_INSTALL_PATH}"
"\nPython module dir: ${PY_MOD_INSTALL_DIR}"
"\nScript dir: ${ZEEK_SCRIPT_INSTALL_PATH}"
"\nSpool dir: ${ZEEK_SPOOL_DIR}"
"\nState dir: ${ZEEK_STATE_DIR}"
"\n"
"\nDebug mode: ${ENABLE_DEBUG}"
"\nUnit tests: ${ENABLE_ZEEK_UNIT_TESTS}"
"\nBuiltin Plugins: ${ZEEK_BUILTIN_PLUGINS}"
"\n"
"\nCC: ${CMAKE_C_COMPILER}"
"\nCFLAGS: ${CMAKE_C_FLAGS} ${CMAKE_C_FLAGS_${BuildType}}"
"\nCXX: ${CMAKE_CXX_COMPILER}"
"\nCXXFLAGS: ${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_${BuildType}}"
"\nCPP: ${CMAKE_CXX_COMPILER}"
"\n"
"\nzeek-client: ${INSTALL_ZEEK_CLIENT}"
"\nZeekControl: ${INSTALL_ZEEKCTL}"
"\nAux. Tools: ${INSTALL_AUX_TOOLS}"
"\nBifCL: ${_bifcl_exe_path}"
"\nBinPAC: ${_binpac_exe_path}"
"\nBTest: ${INSTALL_BTEST}"
"\nBTest tooling: ${_install_btest_tools_msg}"
"\nGen-ZAM: ${_gen_zam_exe_path}"
"\nzkg: ${INSTALL_ZKG}"
"\n"
"\nlibmaxminddb: ${USE_GEOIP}"
"\nKerberos: ${USE_KRB5}"