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CMakeLists.txt
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CMakeLists.txt
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cmake_minimum_required(VERSION 3.12)
project(fluent-bit C)
# CMP0069 ensures that LTO is enabled for all compilers
cmake_policy(SET CMP0069 NEW)
set(CMAKE_POLICY_DEFAULT_CMP0069 NEW)
# Fluent Bit Version
set(FLB_VERSION_MAJOR 3)
set(FLB_VERSION_MINOR 0)
set(FLB_VERSION_PATCH 0)
set(FLB_VERSION_STR "${FLB_VERSION_MAJOR}.${FLB_VERSION_MINOR}.${FLB_VERSION_PATCH}")
set(CMAKE_POSITION_INDEPENDENT_CODE ON)
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
# Define macro to identify Windows system (without Cygwin)
if(CMAKE_SYSTEM_NAME MATCHES "Windows")
set(FLB_SYSTEM_WINDOWS On)
add_definitions(-DFLB_SYSTEM_WINDOWS)
endif()
# Define macro to identify macOS system
if(CMAKE_SYSTEM_NAME MATCHES "Darwin")
set(FLB_SYSTEM_MACOS On)
add_definitions(-DFLB_SYSTEM_MACOS)
endif()
# Define macro to identify Linux system
if(CMAKE_SYSTEM_NAME MATCHES "Linux")
set(FLB_SYSTEM_LINUX On)
add_definitions(-DFLB_SYSTEM_LINUX)
endif()
# Update CFLAGS
if (MSVC)
add_definitions(-D_CRT_SECURE_NO_WARNINGS)
add_definitions(-D_CRT_NONSTDC_NO_WARNINGS)
# Use custom CFLAGS for MSVC
#
# /Zi ...... Generate pdb files.
# /MT ...... Static link C runtimes.
# /wd4711 .. C4711 (function selected for inline expansion)
# /wd4100 .. C4100 (unreferenced formal parameter)
# /wd5045 .. C5045 (Spectre mitigation)
#
set(CMAKE_C_FLAGS "/DWIN32 /D_WINDOWS /DNDEBUG /O2 /Zi /wd4100 /wd4711 /wd5045")
set(CMAKE_EXE_LINKER_FLAGS "/Debug /INCREMENTAL:NO")
set(CMAKE_BUILD_TYPE None)
# Use add_compile_options() to set /MT since Visual Studio
# Generator does not notice /MT in CMAKE_C_FLAGS.
add_compile_options(/MT)
else()
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall")
# The following flags are to enhance security, but it may impact performance,
# we disable them by default.
if (FLB_WASM_STACK_PROTECT)
if (WAMR_BUILD_TARGET MATCHES "X86_.*" OR WAMR_BUILD_TARGET STREQUAL "AMD_64")
set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -ftrapv -D_FORTIFY_SOURCE=2")
endif ()
set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fstack-protector-strong --param ssp-buffer-size=4")
set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wl,-z,noexecstack,-z,relro,-z,now")
endif()
endif()
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D__FLB_FILENAME__=__FILE__")
if(${CMAKE_SYSTEM_PROCESSOR} MATCHES "armv7l")
set(CMAKE_C_LINK_FLAGS "${CMAKE_C_LINK_FLAGS} -latomic")
set(CMAKE_CXX_LINK_FLAGS "${CMAKE_CXX_LINK_FLAGS} -latomic")
endif()
if(${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD")
set(FLB_SYSTEM_FREEBSD On)
add_definitions(-DFLB_SYSTEM_FREEBSD)
set(CMAKE_C_LINK_FLAGS "${CMAKE_C_LINK_FLAGS} -lutil")
set(CMAKE_CXX_LINK_FLAGS "${CMAKE_CXX_LINK_FLAGS} -lutil")
endif()
# *BSD is not supported platform for wasm-micro-runtime except for FreeBSD.
# Now, we should be disabled for these platforms.
if(NOT FLB_SYSTEM_FREEBSD AND ${CMAKE_SYSTEM_NAME} MATCHES "BSD")
message(STATUS "This platform is not supported for WASM feature so disabled.")
set(FLB_WASM OFF)
elseif(FLB_SYSTEM_FREEBSD)
message(STATUS "Some of FreeBSD environment do not work with hardware boundary check so disabled.")
set(WAMR_DISABLE_STACK_HW_BOUND_CHECK 1)
endif()
include(GNUInstallDirs)
include(ExternalProject)
include(cmake/FindJournald.cmake)
include(cmake/FindMonkey.cmake)
include(cmake/macros.cmake)
include(cmake/platform_feature_checks.cmake)
set(CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake/sanitizers-cmake/cmake" ${CMAKE_MODULE_PATH})
find_package(Sanitizers)
# Output paths
set(FLB_ROOT "${CMAKE_CURRENT_SOURCE_DIR}")
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/bin")
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/lib")
set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/library")
# Build Options
option(FLB_ALL "Enable all features" No)
option(FLB_DEBUG "Build with debug mode (-g)" Yes)
option(FLB_RELEASE "Build with release mode (-O2 -g -DNDEBUG)" No)
set(FLB_IPO "ReleaseOnly" CACHE STRING "Build with interprocedural optimization")
set_property(CACHE FLB_IPO PROPERTY STRINGS "On;Off;ReleaseOnly")
option(FLB_SMALL "Optimise for small size" No)
option(FLB_COVERAGE "Build with code-coverage" No)
option(FLB_JEMALLOC "Build with Jemalloc support" No)
option(FLB_REGEX "Build with Regex support" Yes)
option(FLB_UTF8_ENCODER "Build with UTF8 encoding support" Yes)
option(FLB_PARSER "Build with Parser support" Yes)
option(FLB_TLS "Build with SSL/TLS support" Yes)
option(FLB_BINARY "Build executable binary" Yes)
option(FLB_EXAMPLES "Build examples" Yes)
option(FLB_SHARED_LIB "Build shared library" Yes)
option(FLB_VALGRIND "Enable Valgrind support" No)
option(FLB_TRACE "Enable trace mode" No)
option(FLB_CHUNK_TRACE "Enable chunk traces" Yes)
option(FLB_TESTS_RUNTIME "Enable runtime tests" No)
option(FLB_TESTS_INTERNAL "Enable internal tests" No)
option(FLB_TESTS_INTERNAL_FUZZ "Enable internal fuzz tests" No)
option(FLB_TESTS_OSSFUZZ "Enable OSS-Fuzz build" No)
option(FLB_MTRACE "Enable mtrace support" No)
option(FLB_POSIX_TLS "Force POSIX thread storage" No)
option(FLB_INOTIFY "Enable inotify support" Yes)
option(FLB_SQLDB "Enable SQL embedded DB" Yes)
option(FLB_HTTP_SERVER "Enable HTTP Server" Yes)
option(FLB_BACKTRACE "Enable stacktrace support" Yes)
option(FLB_LUAJIT "Enable Lua Scripting support" Yes)
option(FLB_RECORD_ACCESSOR "Enable record accessor" Yes)
option(FLB_SIGNV4 "Enable AWS Signv4 support" Yes)
option(FLB_AWS "Enable AWS support" Yes)
option(FLB_STATIC_CONF "Build binary using static configuration")
option(FLB_STREAM_PROCESSOR "Enable Stream Processor" Yes)
option(FLB_CORO_STACK_SIZE "Set coroutine stack size")
option(FLB_AVRO_ENCODER "Build with Avro encoding support" No)
option(FLB_AWS_ERROR_REPORTER "Build with aws error reporting support" No)
option(FLB_ARROW "Build with Apache Arrow support" No)
option(FLB_WINDOWS_DEFAULTS "Build with predefined Windows settings" Yes)
option(FLB_WASM "Build with WASM runtime support" Yes)
option(FLB_WAMRC "Build with WASM AOT compiler executable" No)
option(FLB_WASM_STACK_PROTECT "Build with WASM runtime with strong stack protector flags" No)
# Native Metrics Support (cmetrics)
option(FLB_METRICS "Enable metrics support" Yes)
# Proxy Plugins
option(FLB_PROXY_GO "Enable Go plugins support" Yes)
# Built-in Custom Plugins
option(FLB_CUSTOM_CALYPTIA "Enable Calyptia Support" Yes)
# Config formats
option(FLB_CONFIG_YAML "Enable YAML config format" Yes)
# Built-in Plugins
option(FLB_IN_CPU "Enable CPU input plugin" Yes)
option(FLB_IN_THERMAL "Enable Thermal plugin" Yes)
option(FLB_IN_DISK "Enable Disk input plugin" Yes)
option(FLB_IN_DOCKER "Enable Docker input plugin" Yes)
option(FLB_IN_DOCKER_EVENTS "Enable Docker events input plugin" Yes)
option(FLB_IN_EXEC "Enable Exec input plugin" Yes)
option(FLB_IN_EXEC_WASI "Enable Exec WASI input plugin" Yes)
option(FLB_IN_EVENT_TYPE "Enable event type plugin" Yes)
option(FLB_IN_FLUENTBIT_METRICS "Enable Fluent Bit metrics plugin" Yes)
option(FLB_IN_FORWARD "Enable Forward input plugin" Yes)
option(FLB_IN_HEALTH "Enable Health input plugin" Yes)
option(FLB_IN_HTTP "Enable HTTP input plugin" Yes)
option(FLB_IN_MEM "Enable Memory input plugin" Yes)
option(FLB_IN_KUBERNETES_EVENTS "Enable Kubernetes Events plugin" Yes)
option(FLB_IN_KAFKA "Enable Kafka input plugin" Yes)
option(FLB_IN_KMSG "Enable Kernel log input plugin" Yes)
option(FLB_IN_LIB "Enable library mode input plugin" Yes)
option(FLB_IN_RANDOM "Enable random input plugin" Yes)
option(FLB_IN_SERIAL "Enable Serial input plugin" Yes)
option(FLB_IN_STDIN "Enable Standard input plugin" Yes)
option(FLB_IN_SYSLOG "Enable Syslog input plugin" Yes)
option(FLB_IN_TAIL "Enable Tail input plugin" Yes)
option(FLB_IN_UDP "Enable UDP input plugin" Yes)
option(FLB_IN_TCP "Enable TCP input plugin" Yes)
option(FLB_IN_UNIX_SOCKET "Enable Unix socket input plugin" No)
option(FLB_IN_MQTT "Enable MQTT Broker input plugin" Yes)
option(FLB_IN_HEAD "Enable Head input plugin" Yes)
option(FLB_IN_PROC "Enable Process input plugin" Yes)
option(FLB_IN_SYSTEMD "Enable Systemd input plugin" Yes)
option(FLB_IN_DUMMY "Enable Dummy input plugin" Yes)
option(FLB_IN_NGINX_EXPORTER_METRICS "Enable Nginx Metrics input plugin" Yes)
option(FLB_IN_NETIF "Enable NetworkIF input plugin" Yes)
option(FLB_IN_WINLOG "Enable Windows Log input plugin" No)
option(FLB_IN_WINSTAT "Enable Windows Stat input plugin" No)
option(FLB_IN_WINEVTLOG "Enable Windows EvtLog input plugin" No)
option(FLB_IN_COLLECTD "Enable Collectd input plugin" Yes)
option(FLB_IN_PROMETHEUS_SCRAPE "Enable Promeheus Scrape input plugin" Yes)
option(FLB_IN_STATSD "Enable StatsD input plugin" Yes)
option(FLB_IN_EVENT_TEST "Enable event test plugin" No)
option(FLB_IN_STORAGE_BACKLOG "Enable storage backlog input plugin" Yes)
option(FLB_IN_EMITTER "Enable emitter input plugin" Yes)
option(FLB_IN_NODE_EXPORTER_METRICS "Enable node exporter metrics input plugin" Yes)
option(FLB_IN_WINDOWS_EXPORTER_METRICS "Enable windows exporter metrics input plugin" Yes)
option(FLB_IN_PODMAN_METRICS "Enable Podman Metrics input plugin" Yes)
option(FLB_IN_OPENTELEMETRY "Enable OpenTelemetry input plugin" Yes)
option(FLB_IN_ELASTICSEARCH "Enable Elasticsearch (Bulk API) input plugin" Yes)
option(FLB_IN_CALYPTIA_FLEET "Enable Calyptia Fleet input plugin" Yes)
option(FLB_IN_SPLUNK "Enable Splunk HTTP HEC input plugin" Yes)
option(FLB_IN_PROCESS_EXPORTER_METRICS "Enable process exporter metrics input plugin" Yes)
option(FLB_OUT_AZURE "Enable Azure output plugin" Yes)
option(FLB_OUT_AZURE_BLOB "Enable Azure output plugin" Yes)
option(FLB_OUT_AZURE_LOGS_INGESTION "Enable Azure Logs Ingestion output plugin" Yes)
option(FLB_OUT_AZURE_KUSTO "Enable Azure Kusto output plugin" Yes)
option(FLB_OUT_BIGQUERY "Enable BigQuery output plugin" Yes)
option(FLB_OUT_CALYPTIA "Enable Calyptia monitoring plugin" Yes)
option(FLB_OUT_COUNTER "Enable Counter output plugin" Yes)
option(FLB_OUT_DATADOG "Enable DataDog output plugin" Yes)
option(FLB_OUT_ES "Enable Elasticsearch output plugin" Yes)
option(FLB_OUT_EXIT "Enable Exit output plugin" Yes)
option(FLB_OUT_FORWARD "Enable Forward output plugin" Yes)
option(FLB_OUT_GELF "Enable GELF output plugin" Yes)
option(FLB_OUT_HTTP "Enable HTTP output plugin" Yes)
option(FLB_OUT_INFLUXDB "Enable InfluxDB output plugin" Yes)
option(FLB_OUT_NATS "Enable NATS output plugin" Yes)
option(FLB_OUT_NRLOGS "Enable New Relic output plugin" Yes)
option(FLB_OUT_OPENSEARCH "Enable OpenSearch output plugin" Yes)
option(FLB_OUT_TCP "Enable TCP output plugin" Yes)
option(FLB_OUT_UDP "Enable UDP output plugin" Yes)
option(FLB_OUT_PLOT "Enable Plot output plugin" Yes)
option(FLB_OUT_FILE "Enable file output plugin" Yes)
option(FLB_OUT_TD "Enable Treasure Data output plugin" Yes)
option(FLB_OUT_RETRY "Enable Retry test output plugin" No)
option(FLB_OUT_PGSQL "Enable PostgreSQL output plugin" No)
option(FLB_OUT_SKYWALKING "Enable Apache SkyWalking output plugin" Yes)
option(FLB_OUT_SLACK "Enable Slack output plugin" Yes)
option(FLB_OUT_SPLUNK "Enable Splunk output plugin" Yes)
option(FLB_OUT_STACKDRIVER "Enable Stackdriver output plugin" Yes)
option(FLB_OUT_STDOUT "Enable STDOUT output plugin" Yes)
option(FLB_OUT_SYSLOG "Enable Syslog output plugin" Yes)
option(FLB_OUT_LIB "Enable library mode output plugin" Yes)
option(FLB_OUT_NULL "Enable dev null output plugin" Yes)
option(FLB_OUT_FLOWCOUNTER "Enable flowcount output plugin" Yes)
option(FLB_OUT_LOGDNA "Enable LogDNA output plugin" Yes)
option(FLB_OUT_LOKI "Enable Loki output plugin" Yes)
option(FLB_OUT_KAFKA "Enable Kafka output plugin" Yes)
option(FLB_OUT_KAFKA_REST "Enable Kafka Rest output plugin" Yes)
option(FLB_OUT_CLOUDWATCH_LOGS "Enable AWS CloudWatch output plugin" Yes)
option(FLB_OUT_KINESIS_FIREHOSE "Enable AWS Firehose output plugin" Yes)
option(FLB_OUT_KINESIS_STREAMS "Enable AWS Kinesis output plugin" Yes)
option(FLB_OUT_OPENTELEMETRY "Enable OpenTelemetry plugin" Yes)
option(FLB_OUT_PROMETHEUS_EXPORTER "Enable Prometheus exporter plugin" Yes)
option(FLB_OUT_PROMETHEUS_REMOTE_WRITE "Enable Prometheus remote write plugin" Yes)
option(FLB_OUT_S3 "Enable AWS S3 output plugin" Yes)
option(FLB_OUT_VIVO_EXPORTER "Enabel Vivo exporter output plugin" Yes)
option(FLB_OUT_WEBSOCKET "Enable Websocket output plugin" Yes)
option(FLB_OUT_ORACLE_LOG_ANALYTICS "Enable Oracle Cloud Infrastructure Logging analytics plugin" Yes)
option(FLB_OUT_CHRONICLE "Enable Google Chronicle output plugin" Yes)
option(FLB_FILTER_ALTER_SIZE "Enable alter_size filter" Yes)
option(FLB_FILTER_AWS "Enable aws filter" Yes)
option(FLB_FILTER_ECS "Enable AWS ECS filter" Yes)
option(FLB_FILTER_CHECKLIST "Enable checklist filter" Yes)
option(FLB_FILTER_EXPECT "Enable expect filter" Yes)
option(FLB_FILTER_GREP "Enable grep filter" Yes)
option(FLB_FILTER_MODIFY "Enable modify filter" Yes)
option(FLB_FILTER_STDOUT "Enable stdout filter" Yes)
option(FLB_FILTER_SYSINFO "Enable sysinfo filter" Yes)
option(FLB_FILTER_PARSER "Enable parser filter" Yes)
option(FLB_FILTER_KUBERNETES "Enable kubernetes filter" Yes)
option(FLB_FILTER_REWRITE_TAG "Enable tag rewrite filter" Yes)
option(FLB_FILTER_THROTTLE "Enable throttle filter" Yes)
option(FLB_FILTER_THROTTLE_SIZE "Enable throttle size filter" No)
option(FLB_FILTER_TYPE_CONVERTER "Enable type converter filter" Yes)
option(FLB_FILTER_MULTILINE "Enable multiline filter" Yes)
option(FLB_FILTER_NEST "Enable nest filter" Yes)
option(FLB_FILTER_LOG_TO_METRICS "Enable log-derived metrics filter" Yes)
option(FLB_FILTER_LUA "Enable Lua scripting filter" Yes)
option(FLB_FILTER_LUA_USE_MPACK "Enable mpack on the lua filter" No)
option(FLB_FILTER_RECORD_MODIFIER "Enable record_modifier filter" Yes)
option(FLB_FILTER_TENSORFLOW "Enable tensorflow filter" No)
option(FLB_FILTER_GEOIP2 "Enable geoip2 filter" Yes)
option(FLB_FILTER_NIGHTFALL "Enable Nightfall filter" Yes)
option(FLB_FILTER_WASM "Enable WASM filter" Yes)
option(FLB_PROCESSOR_LABELS "Enable metrics label manipulation processor" Yes)
option(FLB_PROCESSOR_ATTRIBUTES "Enable atributes manipulation processor" Yes)
if(DEFINED FLB_NIGHTLY_BUILD AND NOT "${FLB_NIGHTLY_BUILD}" STREQUAL "")
FLB_DEFINITION_VAL(FLB_NIGHTLY_BUILD ${FLB_NIGHTLY_BUILD})
endif()
if(FLB_IN_STORAGE_BACKLOG)
FLB_DEFINITION(FLB_HAVE_IN_STORAGE_BACKLOG)
endif()
# Debug callbacks
option(FLB_HTTP_CLIENT_DEBUG "Enable HTTP Client debug callbacks" No)
# Run ldconfig on package post-install
option(FLB_RUN_LDCONFIG "Enable execution of ldconfig after installation" No)
# Enable all features
if(FLB_ALL)
# Global
set(FLB_DEBUG 1)
set(FLB_TLS 1)
# Input plugins
set(FLB_IN_CPU 1)
set(FLB_IN_MEM 1)
set(FLB_IN_KMSG 1)
set(FLB_IN_MQTT 1)
set(FLB_IN_SERIAL 1)
set(FLB_IN_STDIN 1)
set(FLB_IN_HEAD 1)
set(FLB_IN_PROC 1)
set(FLB_IN_DISK 1)
set(FLB_IN_DUMMY 1)
set(FLB_IN_DUMMY_THREAD 1)
set(FLB_IN_NETIF 1)
set(FLB_IN_NGINX_STATUS 1)
set(FLB_IN_EXEC 1)
set(FLB_IN_UNIX_SOCKET 1)
# Output plugins
set(FLB_OUT_ES 1)
set(FLB_OUT_FORWARD 1)
set(FLB_OUT_GELF 1)
set(FLB_OUT_HTTP 1)
set(FLB_OUT_NATS 1)
set(FLB_OUT_NULL 1)
set(FLB_OUT_PLOT 1)
set(FLB_OUT_FILE 1)
set(FLB_OUT_RETRY 1)
set(FLB_OUT_TD 1)
set(FLB_OUT_STDOUT 1)
set(FLB_OUT_S3 1)
set(FLB_OUT_SYSLOG 1)
set(FLB_OUT_LIB 1)
set(FLB_OUT_FLOWCOUNTER 1)
set(FLB_OUT_WEBSOCKET 1)
endif()
if(FLB_DEV)
set(FLB_DEBUG On)
set(FLB_TRACE On)
set(FLB_CHUNK_TRACE On)
set(FLB_METRICS On)
set(FLB_IN_EVENT_TEST On)
set(FLB_HTTP_SERVER On)
set(FLB_HTTP_CLIENT_DEBUG On)
set(FLB_TESTS_INTERNAL On)
endif()
if(FLB_TRACE)
add_definitions(-DFLB_TRACE=1)
endif()
if(FLB_CHUNK_TRACE)
FLB_DEFINITION(FLB_HAVE_CHUNK_TRACE)
endif()
# SSL/TLS: add encryption support
if(FLB_OUT_TD)
set(FLB_TLS ON)
endif()
if(FLB_HTTP_CLIENT_DEBUG)
FLB_DEFINITION(FLB_HAVE_HTTP_CLIENT_DEBUG)
endif()
if (FLB_TESTS_OSSFUZZ)
FLB_DEFINITION(FLB_HAVE_TESTS_OSSFUZZ)
endif()
if (FLB_WASM)
# For Linking libedit adjustments on LLVM 15.
include(cmake/FindLibEdit.cmake)
endif()
# Set Fluent Bit dependency libraries path
include(cmake/libraries.cmake)
# Export headers provided by libraries/dependencies
include(cmake/headers.cmake)
# Tweak build targets for Windows
if(FLB_SYSTEM_WINDOWS)
include(cmake/windows-setup.cmake)
endif()
# Tweak build targets for macOS
if (FLB_SYSTEM_MACOS)
# build tweaks
include(cmake/macos-setup.cmake)
endif()
# Build for SystemZ - s390x arch
if (FLB_SYSTEM_LINUX)
include(cmake/s390x.cmake)
endif ()
# Extract Git commit information for debug output.
# Note that this is only set when cmake is run, the intent here is to use in CI for verification of releases so is acceptable.
# For a better solution see https://jonathanhamberg.com/post/cmake-embedding-git-hash/ but this is simple and easy.
find_package(Git)
# If we do not have Git or this is not a Git repo or another error this just is ignored and we have no output at runtime.
execute_process(COMMAND
"${GIT_EXECUTABLE}" log -1 --format=%H
WORKING_DIRECTORY "${FLB_ROOT}"
OUTPUT_VARIABLE FLB_GIT_HASH
ERROR_QUIET OUTPUT_STRIP_TRAILING_WHITESPACE)
message(STATUS "Git hash: ${FLB_GIT_HASH}")
# Optional features like Stream Processor and Record Accessor needs Flex
# and Bison to generate it parsers.
find_package(FLEX 2)
find_package(BISON 3)
if(FLEX_FOUND AND BISON_FOUND)
set(FLB_FLEX_BISON 1)
endif()
if(FLB_SMALL)
if(CMAKE_COMPILER_IS_GNUCC)
set(strip_flag " -s ")
else()
set(strip_flag "")
endif()
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Os -g0 ${strip_flag} -fno-stack-protector -fomit-frame-pointer -DNDEBUG -U_FORTIFY_SOURCE")
endif()
if(FLB_COVERAGE)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g -O0 --coverage -fprofile-arcs -ftest-coverage")
set(CMAKE_BUILD_TYPE "Debug")
endif()
# Enable Debug symbols if specified
if(MSVC)
set(CMAKE_BUILD_TYPE None) # Avoid flag conflicts (See CMakeList.txt:L18)
elseif(FLB_RELEASE)
set(CMAKE_BUILD_TYPE "RelWithDebInfo")
elseif(FLB_DEBUG)
set(CMAKE_BUILD_TYPE "Debug")
endif()
if(FLB_IPO STREQUAL "On" OR (FLB_IPO STREQUAL "ReleaseOnly" AND FLB_RELEASE))
include(CheckIPOSupported)
check_ipo_supported(RESULT ipo_supported)
# IPO in GCC versions smaller v8 is broken
if(ipo_supported AND NOT (CMAKE_COMPILER_IS_GNUCC AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 8))
set(CMAKE_INTERPROCEDURAL_OPTIMIZATION TRUE)
else()
message(Warning "IPO is not supported on this platform")
endif()
endif()
if(FLB_PARSER)
FLB_DEFINITION(FLB_HAVE_PARSER)
message(STATUS "Enabling FLB_REGEX since FLB_PARSER requires")
set(FLB_REGEX On)
endif()
# Is sanitize_address defined ?
if(SANITIZE_ADDRESS)
FLB_DEFINITION(FLB_HAVE_SANITIZE_ADDRESS)
endif()
# Record Accessor
if(FLB_RECORD_ACCESSOR)
if(NOT FLB_FLEX_BISON)
message(FATAL_ERROR
"Record Accessor feature requires Flex and Bison in your system.\n"
"This is a build time dependency, you can either install the "
"dependencies or disable the feature setting the CMake option "
"-DFLB_RECORD_ACCESSOR=Off ."
)
endif()
FLB_DEFINITION(FLB_HAVE_RECORD_ACCESSOR)
endif()
# Stream Processor
if(FLB_STREAM_PROCESSOR)
if(NOT FLB_FLEX_BISON)
message(FATAL_ERROR
"Stream Processor feature requires Flex and Bison in your system.\n"
"This is a build time dependency, you can either install the "
"dependencies or disable the feature setting the CMake option "
"-DFLB_STREAM_PROCESSOR=Off ."
)
endif()
# Enable Stream Processor internal helper plugin
set(FLB_IN_STREAM_PROCESSOR On)
FLB_DEFINITION(FLB_HAVE_STREAM_PROCESSOR)
endif()
# mk_core is aware about jemalloc usage, we need to disable this as
# fluent-bit do not use it.
set(WITH_SYSTEM_MALLOC 1 CACHE BOOL "Use system memory allocator")
# Headers: required headers by bundled libraries, this act as a helper for
# CFL, Ctraces, CMetrics and fluent-otel-proto
#
# Note: any check_c_source_compiles() cmake function might require this to
# work.
#
set(CMAKE_REQUIRED_INCLUDES
${FLB_PATH_ROOT_SOURCE}/${FLB_PATH_LIB_CFL}/include
${FLB_PATH_ROOT_SOURCE}/${FLB_PATH_LIB_FLUENT_OTEL}/include/
${FLB_PATH_ROOT_SOURCE}/${FLB_PATH_LIB_FLUENT_OTEL}/proto_c/
)
# CFL
add_subdirectory(${FLB_PATH_LIB_CFL} EXCLUDE_FROM_ALL)
# fluent-otel-proto
FLB_OPTION(FLUENT_PROTO_METRICS ON)
add_subdirectory(${FLB_PATH_LIB_FLUENT_OTEL} EXCLUDE_FROM_ALL)
# MsgPack options
option(MSGPACK_ENABLE_CXX OFF)
option(MSGPACK_ENABLE_SHARED OFF)
option(MSGPACK_BUILD_TESTS OFF)
option(MSGPACK_BUILD_EXAMPLES OFF)
add_subdirectory(${FLB_PATH_LIB_MSGPACK} EXCLUDE_FROM_ALL)
# MPack
add_definitions(-DMPACK_EXTENSIONS=1)
add_subdirectory(${FLB_PATH_LIB_MPACK} EXCLUDE_FROM_ALL)
# Miniz (zip)
add_subdirectory(${FLB_PATH_LIB_MINIZ} EXCLUDE_FROM_ALL)
# ring buffer library
add_subdirectory(${FLB_PATH_LIB_RING_BUFFER} EXCLUDE_FROM_ALL)
# Avro
if(FLB_AVRO_ENCODER)
# jansson
option(JANSSON_BUILD_DOCS OFF)
option(JANSSON_EXAMPLES OFF)
option(JANSSON_WITHOUT_TESTS ON)
option(JANSSON_BUILD_SHARED_LIBS OFF)
add_subdirectory(${FLB_PATH_LIB_JANSSON})
#avro
add_subdirectory(${FLB_PATH_LIB_AVRO} EXCLUDE_FROM_ALL)
endif()
# tutf8e
if(FLB_UTF8_ENCODER)
add_subdirectory(${FLB_PATH_LIB_TUTF8E} EXCLUDE_FROM_ALL)
endif()
# snappy
add_subdirectory(${FLB_PATH_LIB_SNAPPY} EXCLUDE_FROM_ALL)
# CMetrics
add_subdirectory(${FLB_PATH_LIB_CMETRICS} EXCLUDE_FROM_ALL)
# CTraces
add_subdirectory(${FLB_PATH_LIB_CTRACES} EXCLUDE_FROM_ALL)
# C-Ares (DNS library)
FLB_OPTION(CARES_STATIC ON)
FLB_OPTION(CARES_SHARED OFF)
FLB_OPTION(CARES_INSTALL OFF)
FLB_OPTION(CARES_BUILD_TESTS OFF)
FLB_OPTION(CARES_BUILD_TOOLS OFF)
if (FLB_SYSTEM_MACOS)
# macOS SDK always has <arpa/nameser.h>.
FLB_DEFINITION(CARES_HAVE_ARPA_NAMESER_H)
endif()
add_subdirectory(${FLB_PATH_LIB_CARES})# EXCLUDE_FROM_ALL)
# Chunk I/O
FLB_OPTION(CIO_LIB_STATIC ON)
FLB_OPTION(CIO_LIB_SHARED OFF)
add_subdirectory(${FLB_PATH_LIB_CHUNKIO} EXCLUDE_FROM_ALL)
# Lib: build the core libraries used by Fluent-Bit
FLB_DEFINITION(JSMN_PARENT_LINKS)
FLB_DEFINITION(JSMN_STRICT)
add_subdirectory(${FLB_PATH_LIB_JSMN})
# Runtime Tests (filter_kubernetes) requires HTTP Server
if(FLB_TESTS_RUNTIME)
FLB_OPTION(FLB_HTTP_SERVER ON)
endif()
# MK Core
macro(MK_SET_OPTION option value)
set(${option} ${value} CACHE INTERNAL "" FORCE)
endmacro()
MK_SET_OPTION(MK_SYSTEM_MALLOC ON)
MK_SET_OPTION(MK_DEBUG ON)
# Build Monkey HTTP Server
if(FLB_HTTP_SERVER)
add_subdirectory(${FLB_PATH_LIB_MONKEY} EXCLUDE_FROM_ALL)
else()
add_subdirectory(${FLB_PATH_LIB_MONKEY}/mk_core EXCLUDE_FROM_ALL)
endif()
if(FLB_TLS)
FLB_DEFINITION(FLB_HAVE_TLS)
option(ENABLE_TESTING OFF)
option(ENABLE_PROGRAMS OFF)
option(INSTALL_MBEDTLS_HEADERS OFF)
# Link OpenSSL statically on Windows.
if (FLB_SYSTEM_WINDOWS)
set(OPENSSL_USE_STATIC_LIBS ON)
set(OPENSSL_MSVC_STATIC_RT ON)
endif()
# find OpenSSL (our preferred choice now)
find_package(OpenSSL)
if(OPENSSL_FOUND)
FLB_DEFINITION(FLB_HAVE_OPENSSL)
endif()
if (FLB_SYSTEM_WINDOWS AND NOT(OPENSSL_FOUND))
# win32 builds w/o openssl will fail later so we might as well catch it
# early instead.
MESSAGE(FATAL_ERROR "OpenSSL required on Windows, see DEVELOPER_GUIDE.md")
endif()
endif()
# Metrics
if(FLB_METRICS)
FLB_DEFINITION(FLB_HAVE_METRICS)
endif()
# WASM
if(FLB_WASM)
if (FLB_SYSTEM_LINUX)
check_c_source_compiles("
#include <stdatomic.h>
int main() {
_Atomic int a;
return 0;
}" FLB_HAVE_STDATOMIC_H)
check_include_files(stdatomic.h FLB_HAVE_STDATOMIC_H)
if (FLB_HAVE_STDATOMIC_H)
enable_language (ASM)
FLB_DEFINITION(FLB_HAVE_WASM)
else ()
message(STATUS "This platform does not provide stdatomic.h that is needed for the FLB_WASM feature so disabled.")
set(FLB_WASM OFF)
endif ()
else ()
enable_language (ASM)
FLB_DEFINITION(FLB_HAVE_WASM)
endif ()
endif()
# AWS
if (FLB_AWS)
FLB_DEFINITION(FLB_HAVE_AWS)
# Support for credential_process in the AWS config file is currently Linux-only.
# The current implementation might work for other Unix systems, but would require
# further testing to confirm.
# Spawning a sub-process in Windows is very different and will require its own
# implementation.
if(${CMAKE_SYSTEM_NAME} MATCHES "Linux")
FLB_OPTION(FLB_HAVE_AWS_CREDENTIAL_PROCESS ON)
FLB_DEFINITION(FLB_HAVE_AWS_CREDENTIAL_PROCESS)
else()
FLB_OPTION(FLB_HAVE_AWS_CREDENTIAL_PROCESS OFF)
endif()
endif()
if (FLB_AWS_ERROR_REPORTER)
FLB_DEFINITION(FLB_HAVE_AWS_ERROR_REPORTER)
endif()
# Signv4
if (FLB_SIGNV4)
FLB_DEFINITION(FLB_HAVE_SIGNV4)
endif()
if(FLB_SQLDB)
FLB_DEFINITION(FLB_HAVE_SQLDB)
add_subdirectory(${FLB_PATH_LIB_SQLITE})
endif()
if(FLB_TRACE)
FLB_DEFINITION(FLB_HAVE_TRACE)
endif()
# Disable colors and any other control characters in the output
if (FLB_LOG_NO_CONTROL_CHARS)
FLB_DEFINITION(FLB_LOG_NO_CONTROL_CHARS)
endif()
if(FLB_HTTP_SERVER)
FLB_OPTION(FLB_METRICS ON)
FLB_DEFINITION(FLB_HAVE_METRICS)
FLB_DEFINITION(FLB_HAVE_HTTP_SERVER)
endif()
if(NOT TARGET co)
add_subdirectory(${FLB_PATH_LIB_CO})
endif()
if(NOT TARGET rbtree)
add_subdirectory(${FLB_PATH_LIB_RBTREE})
endif()
# Systemd Journald support
if(JOURNALD_FOUND)
FLB_DEFINITION(FLB_HAVE_SYSTEMD)
check_c_source_compiles("
#include <systemd/sd-bus.h>
int main() {
return 0;
}" FLB_HAVE_SYSTEMD_SDBUS)
if(FLB_HAVE_SYSTEMD_SDBUS)
FLB_DEFINITION(FLB_HAVE_SYSTEMD_SDBUS)
endif()
else()
FLB_OPTION(FLB_IN_SYSTEMD OFF)
endif()
# Valgrind support
check_c_source_compiles("
#include <valgrind/valgrind.h>
int main() {
return 0;
}" FLB_HAVE_VALGRIND)
if(FLB_VALGRIND OR FLB_HAVE_VALGRIND)
FLB_DEFINITION(FLB_HAVE_VALGRIND)
endif()
# fork(2) support
check_c_source_compiles("
#include <unistd.h>
int main() {
fork();
return 0;
}" FLB_HAVE_FORK)
if(FLB_HAVE_FORK)
FLB_DEFINITION(FLB_HAVE_FORK)
endif()
# mtrace support
if(FLB_MTRACE)
check_c_source_compiles("
#include <mcheck.h>
int main() {
return 0;
}" FLB_HAVE_MTRACE)
if(FLB_HAVE_MTRACE AND FLB_DEBUG)
FLB_DEFINITION(FLB_HAVE_MTRACE)
endif()
endif()
# timespec_get() support
check_c_source_compiles("
#include <time.h>
int main() {
struct tm tm;
return timespec_get(&tm, TIME_UTC);
}" FLB_HAVE_TIMESPEC_GET)
if(FLB_HAVE_TIMESPEC_GET)
FLB_DEFINITION(FLB_HAVE_TIMESPEC_GET)
endif()
# gmtoff support
check_c_source_compiles("
#include <time.h>
int main() {
struct tm tm;
tm.tm_gmtoff = 0;
return 0;
}" FLB_HAVE_GMTOFF)
if(FLB_HAVE_GMTOFF)
FLB_DEFINITION(FLB_HAVE_GMTOFF)
endif()
# clock_get_time() support for macOS.
check_c_source_compiles("
#include <mach/clock.h>
#include <mach/mach.h>
int main() {
clock_serv_t cclock;
mach_timespec_t mts;
host_get_clock_service(mach_host_self(), CALENDAR_CLOCK, &cclock);
clock_get_time(cclock, &mts);
return mach_port_deallocate(mach_task_self(), cclock);
}" FLB_HAVE_CLOCK_GET_TIME)
if(FLB_HAVE_CLOCK_GET_TIME)
FLB_DEFINITION(FLB_HAVE_CLOCK_GET_TIME)
endif()
# unix socket support
check_c_source_compiles("
#include <unistd.h>
#include <sys/un.h>
#include <sys/types.h>
#include <sys/socket.h>
int main() {
int sock;
sock = socket(AF_UNIX, SOCK_STREAM, 0);
close(sock);
return 0;
}" FLB_HAVE_UNIX_SOCKET)
if(FLB_HAVE_UNIX_SOCKET)
FLB_DEFINITION(FLB_HAVE_UNIX_SOCKET)
endif()
# Configuration file YAML format support
if(FLB_CONFIG_YAML)
find_package(PkgConfig)
# libyaml's corresponding pkg-config file is yaml-0.1.pc.
# We should search it first.
pkg_check_modules(LIBYAML QUIET yaml-0.1)
if (LIBYAML_FOUND)
# For if(FLB_HAVE_LIBYAML) clause on CMakeList.txt.
set(FLB_HAVE_LIBYAML 1)
FLB_DEFINITION(FLB_HAVE_LIBYAML)
# For non-standard libyaml installation paths such as homebrew bottled libyaml.
include_directories(${LIBYAML_INCLUDEDIR})
link_directories(${LIBYAML_LIBRARY_DIRS})
else()
if (FLB_LIBYAML_DIR)
set(LIBYAML_LIBRARY_DIRS "${FLB_LIBYAML_DIR}/lib")
set(LIBYAML_INCLUDEDIR "${FLB_LIBYAML_DIR}/include")
message(STATUS "specified libyaml dir: ${FLB_LIBYAML_DIR}")
if (MSVC)
FLB_DEFINITION(YAML_DECLARE_STATIC)
endif ()
set(FLB_HAVE_LIBYAML 1)
FLB_DEFINITION(FLB_HAVE_LIBYAML)
include_directories(${LIBYAML_INCLUDEDIR})
link_directories(${LIBYAML_LIBRARY_DIRS})
else ()
# Requires libyaml support
check_c_source_compiles("
#include <yaml.h>
int main() {
yaml_parser_t parser;
return 0;
}" FLB_HAVE_LIBYAML)
if(NOT FLB_HAVE_LIBYAML)
message(FATAL_ERROR
"YAML development dependencies required for YAML configuration format handling.\n"
"This is a build time dependency, you can either install the "
"dependencies or disable the feature setting the CMake option "
"-DFLB_CONFIG_YAML=Off ."
)
endif()
endif ()
FLB_DEFINITION(FLB_HAVE_LIBYAML)
endif()
endif()
# check attribute alloc_size
check_c_source_compiles("
#include <stdlib.h>
__attribute__ ((alloc_size(1, 2))) static void* f(size_t a, size_t b) {
return calloc(a, b);
}
int main() {
f(1, 2);
return 0;
}
" FLB_HAVE_ATTRIBUTE_ALLOC_SIZE)
if(FLB_HAVE_ATTRIBUTE_ALLOC_SIZE)
FLB_DEFINITION(FLB_HAVE_ATTRIBUTE_ALLOC_SIZE)
endif()
# parameters for flb_msgpack_raw_to_json_sds buffer strategy
if (NOT DEFINED FLB_MSGPACK_TO_JSON_INIT_BUFFER_SIZE)
FLB_DEFINITION_VAL(FLB_MSGPACK_TO_JSON_INIT_BUFFER_SIZE 2.0)
else()
FLB_DEFINITION_VAL(FLB_MSGPACK_TO_JSON_INIT_BUFFER_SIZE ${FLB_MSGPACK_TO_JSON_INIT_BUFFER_SIZE})
endif()
if (NOT DEFINED FLB_MSGPACK_TO_JSON_REALLOC_BUFFER_SIZE)
FLB_DEFINITION_VAL(FLB_MSGPACK_TO_JSON_REALLOC_BUFFER_SIZE 0.10)
else()
FLB_DEFINITION_VAL(FLB_MSGPACK_TO_JSON_REALLOC_BUFFER_SIZE ${FLB_MSGPACK_TO_JSON_REALLOC_BUFFER_SIZE})
endif()
# Build tools/xxd-c
add_subdirectory(tools/xxd-c)
# Static configuration generator (using xxd-c)
if(FLB_STATIC_CONF)
FLB_DEFINITION(FLB_HAVE_STATIC_CONF)
add_subdirectory(gen_static_conf)
endif()
# Special definition to set the coroutine stack size
if(FLB_CORO_STACK_SIZE)
add_definitions(-DFLB_CORO_STACK_SIZE=${FLB_CORO_STACK_SIZE})
set(FLB_BUILD_FLAGS "${FLB_BUILD_FLAGS}#ifndef FLB_CORO_STACK_SIZE\n#define FLB_CORO_STACK_SIZE ${FLB_CORO_STACK_SIZE}\n#endif\n")
else()
endif()
set(FLB_PROG_NAME "Fluent Bit")
set(FLB_OUT_NAME "fluent-bit")
if(FLB_PROXY_GO)
FLB_DEFINITION(FLB_HAVE_PROXY_GO)
endif()
if("${GNU_HOST}" STREQUAL "")
set(AUTOCONF_HOST_OPT "")
else()
set(AUTOCONF_HOST_OPT "--host=${GNU_HOST}")
endif()
# Memory Allocator
# ================
if(FLB_JEMALLOC AND ${CMAKE_SYSTEM_NAME} MATCHES "Linux")
FLB_DEFINITION(FLB_HAVE_JEMALLOC)
FLB_DEFINITION(JEMALLOC_MANGLE)
# Add support for options like page size, if empty we default it
if(NOT DEFINED FLB_JEMALLOC_OPTIONS OR "${FLB_JEMALLOC_OPTIONS}" STREQUAL "")
set(FLB_JEMALLOC_OPTIONS "--with-lg-quantum=3")
endif()
# Split into a list so CMake handles it correctly when passing to configure command
separate_arguments(FLB_JEMALLOC_OPTIONS_LIST UNIX_COMMAND ${FLB_JEMALLOC_OPTIONS})
message(STATUS "jemalloc configure: ${FLB_JEMALLOC_OPTIONS_LIST}")
# Link to Jemalloc as an external dependency
ExternalProject_Add(jemalloc
SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/lib/jemalloc-5.3.0
CONFIGURE_COMMAND ${CMAKE_CURRENT_SOURCE_DIR}/lib/jemalloc-5.3.0/configure ${AUTOCONF_HOST_OPT} "${FLB_JEMALLOC_OPTIONS_LIST}" --prefix=<INSTALL_DIR>
CFLAGS=-std=gnu99\ -Wall\ -pipe\ -g3\ -O3\ -funroll-loops
BUILD_COMMAND $(MAKE)
INSTALL_DIR ${CMAKE_CURRENT_BINARY_DIR}/
INSTALL_COMMAND $(MAKE) install_lib_static install_include)
add_library(libjemalloc STATIC IMPORTED GLOBAL)
set_target_properties(libjemalloc PROPERTIES IMPORTED_LOCATION "${CMAKE_CURRENT_BINARY_DIR}/lib/libjemalloc_pic.a")
add_dependencies(libjemalloc jemalloc)
include_directories("${CMAKE_BINARY_DIR}/include/")
else()
FLB_OPTION(FLB_JEMALLOC OFF)
endif()
# LibBacktrace (friendly stacktrace support)
# =========================================
if(FLB_BACKTRACE)
FLB_DEFINITION(FLB_HAVE_LIBBACKTRACE)
if (CMAKE_OSX_SYSROOT)
# From macOS Mojave, /usr/include does not store C SDK headers.
# For libbacktrace building on macOS, we have to tell C headers where they are located.
set(DEPS_C_COMPILER "${CMAKE_C_COMPILER} -isysroot ${CMAKE_OSX_SYSROOT}")
else()
set(DEPS_C_COMPILER "${CMAKE_C_COMPILER}")
endif()
ExternalProject_Add(backtrace
SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/lib/libbacktrace-8602fda/
CONFIGURE_COMMAND ${CMAKE_CURRENT_SOURCE_DIR}/lib/libbacktrace-8602fda/configure ${AUTOCONF_HOST_OPT} --prefix=<INSTALL_DIR> --enable-shared=no --enable-static=yes
BUILD_COMMAND $(MAKE)
INSTALL_COMMAND $(MAKE) DESTDIR= install
)
add_library(libbacktrace STATIC IMPORTED GLOBAL)
set_target_properties(libbacktrace PROPERTIES IMPORTED_LOCATION "${CMAKE_CURRENT_BINARY_DIR}/backtrace-prefix/lib/libbacktrace.a")
add_dependencies(libbacktrace backtrace)
include_directories("${CMAKE_CURRENT_BINARY_DIR}/backtrace-prefix/include/")
endif()
if(FLB_IN_KAFKA OR FLB_OUT_KAFKA)
FLB_OPTION(RDKAFKA_BUILD_STATIC On)
FLB_OPTION(RDKAFKA_BUILD_EXAMPLES Off)
FLB_OPTION(RDKAFKA_BUILD_TESTS Off)
FLB_OPTION(ENABLE_LZ4_EXT Off)
# disable Curl
if (FLB_SYSTEM_MACOS)
FLB_OPTION(WITH_CURL Off)
endif()
add_subdirectory(${FLB_PATH_LIB_RDKAFKA} EXCLUDE_FROM_ALL)
endif()
# Onigmo (Regex Engine) options
# =====================
if(FLB_REGEX)
option(ONIGMO_SHARED_LIB OFF)
option(ONIGMO_CTESTS OFF)
option(ONIGMO_CTESTS_SAMPLE OFF)
option(ONIGMO_PYTHON_TESTS OFF)