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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)
# We want to set ENABLE_DEBUG to ON by default if the build type is Debug.
set(ENABLE_DEBUG_DEFAULT OFF)
if (NOT GENERATOR_IS_MULTI_CONFIG)
string(TOLOWER "${CMAKE_BUILD_TYPE}" build_type_lower)
if (build_type_lower STREQUAL "debug")
set(ENABLE_DEBUG_DEFAULT ON)
endif ()
unset(build_type_lower)
endif ()
# On UNIX, install additional Zeek tools by default and build shared objects.
if (NOT WIN32)
set(ZEEK_INSTALL_TOOLS_DEFAULT ON)
option(BUILD_SHARED_LIBS "Build targets as shared libraries." ON)
else ()
set(ZEEK_INSTALL_TOOLS_DEFAULT OFF)
endif ()
# CMake options (Boolean flags).
option(ENABLE_DEBUG "Build Zeek with additional debugging support." ${ENABLE_DEBUG_DEFAULT})
option(ENABLE_JEMALLOC "Link against jemalloc." OFF)
option(ENABLE_PERFTOOLS "Build with support for Google perftools." OFF)
option(ENABLE_ZEEK_UNIT_TESTS "Build the C++ unit tests." ON)
option(INSTALL_AUX_TOOLS "Install additional tools from auxil." ${ZEEK_INSTALL_TOOLS_DEFAULT})
option(INSTALL_BTEST "Install btest alongside Zeek." ${ZEEK_INSTALL_TOOLS_DEFAULT})
option(INSTALL_BTEST_PCAPS "Install pcap files for testing." ${ZEEK_INSTALL_TOOLS_DEFAULT})
option(INSTALL_ZEEKCTL "Install zeekctl." ${ZEEK_INSTALL_TOOLS_DEFAULT})
option(INSTALL_ZEEK_ARCHIVER "Install the zeek-archiver." ${ZEEK_INSTALL_TOOLS_DEFAULT})
option(INSTALL_ZEEK_CLIENT "Install the zeek-client." ${ZEEK_INSTALL_TOOLS_DEFAULT})
option(INSTALL_ZKG "Install zkg." ${ZEEK_INSTALL_TOOLS_DEFAULT})
option(PREALLOCATE_PORT_ARRAY "Pre-allocate all ports for zeek::Val." ON)
option(ZEEK_STANDALONE "Build Zeek as stand-alone binary?" ON)
# Non-boolean options.
if (NOT WIN32)
if (CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
set(CMAKE_INSTALL_PREFIX "/usr/local/zeek"
CACHE PATH "Install directory used by install()." FORCE)
endif ()
# On windows, this defaults to "c:/Program Files/${PROJECT_NAME}":
# https://cmake.org/cmake/help/v3.15/variable/CMAKE_INSTALL_PREFIX.html.
endif ()
set(ZEEK_SCRIPT_INSTALL_PATH "${CMAKE_INSTALL_PREFIX}/share/zeek"
CACHE PATH "Install directory for Zeek scripts.")
set(ZEEK_ETC_INSTALL_DIR "${CMAKE_INSTALL_PREFIX}/etc"
CACHE PATH "Install directory for Zeek configuration files.")
set(CMAKE_EXPORT_COMPILE_COMMANDS ON CACHE INTERNAL
"Whether to write a JSON compile commands database")
set(ZEEK_CXX_STD cxx_std_17 CACHE STRING "The C++ standard to use.")
set(ZEEK_SANITIZERS "" CACHE STRING "Sanitizers to use when building.")
set(CPACK_SOURCE_IGNORE_FILES "" CACHE STRING "Files to be ignored by CPack")
set(ZEEK_INCLUDE_PLUGINS "" CACHE STRING "Extra plugins to add to the build.")
# Look into the build tree for additional CMake modules.
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 "${CMAKE_CXX_FLAGS_DEBUG} /MTd /DDEBUG")
if (CMAKE_BUILD_TYPE STREQUAL "Debug")
set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreadedDebug")
set(CMAKE_MSVC_RUNTIME_LIBRARY_FLAG "MTd")
else ()
set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded")
set(CMAKE_MSVC_RUNTIME_LIBRARY_FLAG "MT")
endif ()
set(OPENSSL_USE_STATIC_LIBS true)
set(OPENSSL_MSVC_STATIC_RT true)
if (ZEEK_STANDALONE)
include(${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 ${settings})
endif ()
# Set LibPCAP to point to libpcap binaries.
if (NOT PCAP_ROOT_DIR)
find_package(libpcap)
set(PCAP_ROOT_DIR "${libpcap_LIB_DIRS}/../")
set(PCAP_INCLUDE_DIR ${libpcap_INCLUDES})
set(PCAP_LIBRARY ${libpcap_LIBS})
endif ()
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 ${UNISTD_INCLUDES})
list(APPEND zeekdeps libunistd libregex)
# Set CMAKE flags for supported windows build.
set(DISABLE_PYTHON_BINDINGS true)
set(BROKER_DISABLE_TESTS true)
set(BROKER_DISABLE_DOC_EXAMPLES true)
add_definitions(-DDOCTEST_CONFIG_NO_MULTITHREADING)
# Disable Spicy as it is not yet supported in Windows.
set(DISABLE_SPICY true)
else ()
include(GNUInstallDirs)
endif ()
include(cmake/CommonCMakeConfig.cmake)
include(cmake/FindClangTidy.cmake)
include(cmake/CheckCompilerArch.cmake)
# ##############################################################################
# Main targets and utilities.
# Variable for referring back to Zeek's top-level source dir. Used for plugins
# to tell them where to find the Zeek headers.
set(ZEEK_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}")
# Tell dynamic plugins where to find scripts such as
# zeek-plugin-create-package.sh. Needed by ZeekPluginConfig.cmake.in.
set(ZEEK_PLUGIN_SCRIPTS_PATH "${PROJECT_SOURCE_DIR}/cmake")
# Our C++17 base target for propagating compiler and linker flags. Note: for
# now, we only use it for passing library dependencies around.
add_library(zeek_internal INTERFACE)
add_library(Zeek::Internal ALIAS zeek_internal)
set_target_properties(zeek_internal PROPERTIES EXPORT_NAME Internal)
install(TARGETS zeek_internal EXPORT ZeekTargets)
target_compile_features(zeek_internal INTERFACE ${ZEEK_CXX_STD})
# Skip "link-time version check" in Plugin.h for plugins that we bake in.
target_compile_definitions(zeek_internal INTERFACE ZEEK_PLUGIN_SKIP_VERSION_CHECK)
# Target for bundling the creation of auto-generated files.
add_custom_target(zeek_autogen_files)
# Define our main targets and place the output files under src (for historic
# reasons and backwards compatibility).
if (ZEEK_STANDALONE)
add_executable(zeek_exe)
target_link_libraries(zeek_exe PRIVATE $<BUILD_INTERFACE:zeek_internal>)
add_dependencies(zeek_exe zeek_autogen_files)
set_target_properties(zeek_exe PROPERTIES RUNTIME_OUTPUT_NAME zeek)
if (NOT CMAKE_RUNTIME_OUTPUT_DIRECTORY)
set_target_properties(zeek_exe PROPERTIES RUNTIME_OUTPUT_DIRECTORY src)
endif ()
install(TARGETS zeek_exe RUNTIME DESTINATION bin)
# Export symbols from zeek executable for use by plugins
set_target_properties(zeek_exe PROPERTIES ENABLE_EXPORTS ON)
if (MSVC)
set(WINDOWS_EXPORT_ALL_SYMBOLS ON)
endif ()
# Tell zeek_target_link_libraries to add library dependencies as PRIVATE.
set(zeek_exe_access PRIVATE)
# Also build the static library when asked for via Conan.
if (CONAN_EXPORTED)
add_library(zeek_lib STATIC)
endif ()
else ()
add_library(zeek_lib STATIC)
endif ()
if (TARGET zeek_lib)
target_link_libraries(zeek_lib PRIVATE $<BUILD_INTERFACE:zeek_internal>)
add_dependencies(zeek_lib zeek_autogen_files)
set_target_properties(zeek_lib PROPERTIES RUNTIME_OUTPUT_NAME libzeek)
if (NOT CMAKE_LIBRARY_OUTPUT_DIRECTORY)
set_target_properties(zeek_lie PROPERTIES LIBRARY_OUTPUT_DIRECTORY src)
endif ()
install(TARGETS zeek_lib LIBRARY DESTINATION lib)
# Tell zeek_target_link_libraries to add library dependencies as PRIVATE.
set(zeek_lib_access PRIVATE)
endif ()
# When building our fuzzers, we also need one extra top-level target that
# bundles all of our object libraries and other dependencies.
if (ZEEK_ENABLE_FUZZERS)
add_library(zeek_fuzzer_shared SHARED)
target_link_libraries(zeek_fuzzer_shared PUBLIC $<BUILD_INTERFACE:zeek_internal>)
# Tell zeek_target_link_libraries to add library dependencies as PUBLIC.
set(zeek_fuzzer_shared_access PUBLIC)
endif ()
# Set ZEEK_CONFIG_SKIP_VERSION_H for our main in-source targets.
foreach (name zeek_exe zeek_lib zeek_fuzzer_shared)
if (TARGET ${name})
target_compile_definitions(${name} PRIVATE ZEEK_CONFIG_SKIP_VERSION_H)
endif ()
endforeach ()
# Convenience function for adding library dependencies to the main target(s).
function (zeek_target_link_libraries lib_target)
foreach (name zeek_exe zeek_lib zeek_fuzzer_shared)
if (TARGET ${name})
target_link_libraries(${name} ${${name}_access} ${lib_target})
endif ()
endforeach ()
endfunction ()
function (zeek_include_directories)
foreach (name zeek_exe zeek_lib zeek_fuzzer_shared)
if (TARGET ${name})
target_include_directories(${name} ${${name}_access} ${ARGN})
endif ()
endforeach ()
endfunction ()
# Convenience function for adding a dependency to the main target(s).
function (zeek_add_dependencies dep)
foreach (name zeek_exe zeek_lib zeek_fuzzer_shared)
if (TARGET ${name})
add_dependencies(${name} ${dep})
endif ()
endforeach ()
endfunction ()
# Interface library for propagating extra flags and include paths to dynamically
# loaded plugins. Also propagates include paths and C++17 mode on the install
# interface.
add_library(zeek_dynamic_plugin_base INTERFACE)
target_include_directories(
zeek_dynamic_plugin_base
INTERFACE $<INSTALL_INTERFACE:include> $<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}>
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/src>)
target_compile_features(zeek_dynamic_plugin_base INTERFACE ${ZEEK_CXX_STD})
add_library(Zeek::DynamicPluginBase ALIAS zeek_dynamic_plugin_base)
set_target_properties(zeek_dynamic_plugin_base PROPERTIES EXPORT_NAME DynamicPluginBase)
install(TARGETS zeek_dynamic_plugin_base EXPORT ZeekTargets)
# On macOS, we need to tell the linker that the modules are allowed to have
# undefined symbols.
if (CMAKE_SYSTEM_NAME MATCHES "Darwin")
target_link_options(zeek_dynamic_plugin_base INTERFACE -undefined dynamic_lookup
-Wl,-bind_at_load)
endif ()
function (add_zeek_dynamic_plugin_build_interface_include_directories)
foreach (path ${ARGV})
target_include_directories(zeek_dynamic_plugin_base INTERFACE $<BUILD_INTERFACE:${path}>)
endforeach ()
endfunction ()
add_zeek_dynamic_plugin_build_interface_include_directories(
${PROJECT_SOURCE_DIR}/src/include
${PROJECT_SOURCE_DIR}/auxil/binpac/lib
${PROJECT_SOURCE_DIR}/auxil/broker/include
${PROJECT_SOURCE_DIR}/auxil/paraglob/include
${PROJECT_SOURCE_DIR}/auxil/rapidjson/include
${CMAKE_BINARY_DIR}/src
${CMAKE_BINARY_DIR}/src/include
${CMAKE_BINARY_DIR}/auxil/binpac/lib
${CMAKE_BINARY_DIR}/auxil/broker/include)
# Convenience function for adding an OBJECT library that feeds directly into the
# main target(s).
#
# Usage: zeek_add_subdir_library( <name> SOURCES ... [INCLUDE_DIRS ...]
# [DEPENDENCIES ...] [INTERNAL_DEPENDENCIES ...] [BIFS ...] )
function (zeek_add_subdir_library name)
# Parse arguments.
set(fn_varargs INCLUDE_DIRS DEPENDENCIES INTERNAL_DEPENDENCIES SOURCES BIFS)
cmake_parse_arguments(FN_ARGS "" "" "${fn_varargs}" ${ARGN})
if (NOT FN_ARGS_SOURCES)
message(FATAL_ERROR "zeek_add_subdir_library called without any SOURCES")
endif ()
# Create target and add the sources.
set(target_name "zeek_${name}_obj")
add_library(${target_name} OBJECT ${FN_ARGS_SOURCES})
target_compile_definitions(${target_name} PRIVATE ZEEK_CONFIG_SKIP_VERSION_H)
add_dependencies(${target_name} zeek_autogen_files)
target_link_libraries(${target_name} PRIVATE $<BUILD_INTERFACE:zeek_internal>)
add_clang_tidy_files(${FN_ARGS_SOURCES})
# Take care of compiling BIFs.
if (FN_ARGS_BIFS)
foreach (bif ${FN_ARGS_BIFS})
# Generate the target and add the extra dependency.
bif_target(${bif})
endforeach ()
endif ()
# Optionally add include directories and extra dependencies.
if (FN_ARGS_INCLUDE_DIRS)
target_include_directories(${target_name} BEFORE PRIVATE ${FN_ARGS_INCLUDE_DIRS})
endif ()
if (FN_ARGS_DEPENDENCIES)
target_link_libraries(${target_name} PRIVATE ${FN_ARGS_DEPENDENCIES})
endif ()
if (FN_ARGS_INTERNAL_DEPENDENCIES)
add_dependencies(${target_name} ${FN_ARGS_INTERNAL_DEPENDENCIES})
endif ()
# Feed into the main Zeek target(s).
zeek_target_link_libraries(${target_name})
endfunction ()
# ##############################################################################
# Utility function for forcing CMake to re-run if files change on disk.
function (zeek_watch_files)
set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS ${ARGN})
endfunction ()
# ##############################################################################
# Create empty __load__.zeek stubs (override pre-existing ones).
function (zeek_create_load_script_stubs)
set(file_comment "# Warning, this is an autogenerated file!\n")
foreach (fpath ${ARGN})
file(WRITE "${CMAKE_BINARY_DIR}/${fpath}" "${file_comment}")
zeek_watch_files("${CMAKE_BINARY_DIR}/${fpath}")
endforeach ()
endfunction ()
# Note: these files are filled from BifCl.cmake via `file(APPEND ...)`
zeek_create_load_script_stubs(scripts/builtin-plugins/__load__.zeek
scripts/base/bif/plugins/__load__.zeek scripts/base/bif/__load__.zeek)
# ##############################################################################
# Create empty __all__*.cc stubs (override pre-existing ones).
function (zeek_create_bif_autogen_stubs)
set(file_comment "// Warning, this is an autogenerated file!\n")
foreach (fpath ${ARGN})
file(WRITE "${CMAKE_BINARY_DIR}/${fpath}" "${file_comment}")
zeek_watch_files("${CMAKE_BINARY_DIR}/${fpath}")
endforeach ()
endfunction ()
# Note: these files are filled from BifCl.cmake via `file(APPEND ...)`.
zeek_create_bif_autogen_stubs(src/__all__.bif.cc src/__all__.bif.init.cc
src/__all__.bif.register.cc)
# ##############################################################################
# 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 (NOT ZEEK_PLUGIN_DIR)
set(ZEEK_PLUGIN_DIR ${ZEEK_LIBDIR_PATH}/plugins CACHE STRING "Installation path for plugins"
FORCE)
endif ()
set(cmake_binary_dir "${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)
# This has to happen before we modify the paths below so that the pure Windows
# paths are stored in the output file.
configure_file(zeek-path-dev.bat.in ${CMAKE_CURRENT_BINARY_DIR}/zeek-path-dev.bat)
string(REGEX REPLACE "^([A-Za-z]):/(.*)" "/\\1/\\2" cmake_binary_dir "${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 ()
# Set the path where we install the ZeekConfig.cmake file and related files.
set(ZEEK_CMAKE_CONFIG_DIR "${CMAKE_INSTALL_PREFIX}/share/zeek/cmake")
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)
file(
WRITE ${CMAKE_CURRENT_BINARY_DIR}/zeek-path-dev.sh
"export ZEEKPATH=`${cmake_binary_dir}/zeek-path-dev`\n"
"export ZEEK_PLUGIN_PATH=\"${cmake_binary_dir}/src\":$\{ZEEK_PLUGIN_PATH\}\n"
"export PATH=\"${cmake_binary_dir}\":\"${cmake_binary_dir}/src\":\"${cmake_binary_dir}/auxil/spicy/spicy/bin\":\"${cmake_binary_dir}/src/builtin-plugins/spicy-plugin/bin\":$\{PATH\}\n"
"export SPICY_PATH=`${cmake_binary_dir}/spicy-path`\n"
"export HILTI_CXX_INCLUDE_DIRS=`${cmake_binary_dir}/hilti-cxx-include-dirs`\n")
file(
WRITE ${CMAKE_CURRENT_BINARY_DIR}/zeek-path-dev.csh
"setenv ZEEKPATH `${cmake_binary_dir}/zeek-path-dev`\n"
"setenv ZEEK_PLUGIN_PATH \"${cmake_binary_dir}/src\":$\{ZEEK_PLUGIN_PATH\}\n"
"setenv PATH \"${cmake_binary_dir}\":\"${cmake_binary_dir}/src\":\"${cmake_binary_dir}/auxil/spicy/spicy/bin\":\"${cmake_binary_dir}/src/builtin-plugins/spicy-plugin/bin\":$\{PATH\}\n"
"setenv SPICY_PATH \"`${cmake_binary_dir}/spicy-path`\"\n"
"setenv HILTI_CXX_INCLUDE_DIRS \"`${cmake_binary_dir}/hilti-cxx-include-dirs`\"\n")
file(STRINGS "${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 "${VERSION_C_IDENT}_debug")
target_compile_definitions(zeek_internal INTERFACE DEBUG)
target_compile_definitions(zeek_dynamic_plugin_base INTERFACE DEBUG)
endif ()
if (NOT BINARY_PACKAGING_MODE)
macro (_make_install_dir_symlink _target _link)
install(
CODE "
if ( \"\$ENV{DESTDIR}\" STREQUAL \"\" )
if ( EXISTS \"${_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: ${SED_EXE}")
endif ()
endif ()
list(APPEND Python_ADDITIONAL_VERSIONS 3)
FindRequiredPackage(PythonInterp)
FindRequiredPackage(FLEX)
FindRequiredPackage(BISON)
FindRequiredPackage(PCAP)
FindRequiredPackage(OpenSSL)
if (NOT MSVC)
FindRequiredPackage(BIND)
endif ()
FindRequiredPackage(ZLIB)
# Forward user-defined hint for OpenSSL to the plugins. Use a cache variable to
# make sure this variable survives CMake re-runs. Note: This variable is picked
# up in ZeekPluginConfig.cmake.in.
if (OPENSSL_ROOT_DIR)
set(ZeekOpenSSLHint "${OPENSSL_ROOT_DIR}" CACHE INTERNAL "" FORCE)
elseif (DEFINED ENV{OPENSSL_ROOT_DIR})
set(ZeekOpenSSLHint "$ENV{OPENSSL_ROOT_DIR}" CACHE INTERNAL "" FORCE)
endif ()
# Forward PKG_CONFIG_PATH to the plugins. Use a cache variable to make sure this
# variable survives CMake re-runs. Note: This variable is picked up in
# ZeekPluginConfig.cmake.in.
if (DEFINED ENV{PKG_CONFIG_PATH})
set(ZeekPkgConfigPath "$ENV{PKG_CONFIG_PATH}" CACHE INTERNAL "" FORCE)
endif ()
# 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 ${ENABLE_STATIC_ONLY_SAVED})
# FIXME: avoid hard-coding a path for multi-config generator support. See the
# TODO in ZeekPluginConfig.cmake.in.
set(BINPAC_EXE_PATH "${CMAKE_BINARY_DIR}/auxil/binpac/src/binpac${CMAKE_EXECUTABLE_SUFFIX}")
endif ()
FindRequiredPackage(BinPAC)
# Add an alias (used by our plugin setup).
add_executable(Zeek::BinPAC ALIAS binpac)
if (NOT BIFCL_EXE_PATH)
add_subdirectory(auxil/bifcl)
add_executable(Zeek::BifCl ALIAS bifcl)
# FIXME: avoid hard-coding a path for multi-config generator support. See the
# TODO in ZeekPluginConfig.cmake.in.
set(BIFCL_EXE_PATH "${CMAKE_BINARY_DIR}/auxil/bifcl/bifcl${CMAKE_EXECUTABLE_SUFFIX}")
set(_bifcl_exe_path "included")
else ()
add_executable(Zeek::BifCl IMPORTED)
set_property(TARGET Zeek::BifCl PROPERTY IMPORTED_LOCATION "${BIFCL_EXE_PATH}")
set(_bifcl_exe_path "BIFCL_EXE_PATH")
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)
# Note: Broker gets some special attention in ZeekConfig.cmake.in.
if (Broker_ROOT)
find_package(Broker REQUIRED CONFIG)
list(APPEND zeekdeps ${BROKER_LIBRARY})
set(broker_includes ${BROKER_INCLUDE_DIR})
set(ZEEK_HAS_EXTERNAL_BROKER ON)
set(ZEEK_HAS_STATIC_BROKER OFF)
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)
list(APPEND zeekdeps broker_static)
else ()
list(APPEND zeekdeps broker)
endif ()
set(broker_includes ${CMAKE_CURRENT_SOURCE_DIR}/auxil/broker/include
${CMAKE_CURRENT_BINARY_DIR}/auxil/broker/include)
if (BUILD_STATIC_BROKER)
set(ZEEK_HAS_STATIC_BROKER ON)
else ()
set(ZEEK_HAS_STATIC_BROKER OFF)
endif ()
set(ZEEK_HAS_EXTERNAL_BROKER OFF)
# Tell plugins where to find the Broker CMake package in the source tree. This
# variable is picked up in ZeekPluginConfig.cmake.in.
set(ZEEK_PLUGIN_BROKER_PATH "${CMAKE_CURRENT_BINARY_DIR}/auxil/broker")
endif ()
if (NOT DISABLE_SPICY)
set(USE_SPICY_ANALYZERS yes)
if (NOT SPICY_ROOT_DIR)
set(HAVE_SPICY yes) # evaluated by Spicy plugin build
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(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)
set(HILTI_LIBRARY_RT hilti-rt)
set(HILTI_LIBRARY_RT_DEBUG hilti-rt-debug)
set(SPICY_LIBRARY_RT spicy-rt)
set(SPICY_LIBRARY_RT_DEBUG spicy-rt-debug)
# 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 "included")
set(SPICY_PLUGIN_PATH ${CMAKE_SOURCE_DIR}/auxil/spicy-plugin)
endif ()
set(SPICY_PLUGIN_BINARY_PATH ${CMAKE_BINARY_DIR}/src/builtin-plugins/spicy-plugin)
list(APPEND ZEEK_INCLUDE_PLUGINS ${SPICY_PLUGIN_PATH})
else ()
set(HAVE_SPICY no) # evaluated by Spicy plugin build
set(USE_SPICY_ANALYZERS no)
endif ()
set(USE_SPICY_ANALYZERS "${USE_SPICY_ANALYZERS}" CACHE BOOL "Use built-in Spicy analyzers")
include(BuiltInSpicyAnalyzer)
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})