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CMakeLists.txt
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CMakeLists.txt
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#
# This file is open source software, licensed to you under the terms
# of the Apache License, Version 2.0 (the "License"). See the NOTICE file
# distributed with this work for additional information regarding copyright
# ownership. You may not use this file except in compliance with the License.
#
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
#
#
# Copyright (C) 2018 Scylladb, Ltd.
#
cmake_minimum_required (VERSION 3.5)
list (APPEND CMAKE_MODULE_PATH
${CMAKE_CURRENT_SOURCE_DIR}/cmake
${CMAKE_CURRENT_BINARY_DIR})
include (Cooking OPTIONAL)
# This variable impacts the way DPDK is configured by cmake-cooking (if DPDK is enabled), so its definition needs to
# come before PROJECT.
set (Seastar_DPDK_MACHINE
"native"
CACHE
STRING
"Configure DPDK for this processor architecture (if `Seastar_DPDK` is enabled). A DPDK code name abbreviation (e.g., ivb)")
project (Seastar
VERSION 1.0
LANGUAGES CXX)
# generic boolean values passed as string, potentially from configure.py
set (True_STRING_VALUES "ON" "yes" "Yes" "YES" "true" "True" "TRUE")
set (False_STRING_VALUES "OFF" "no" "No" "NO" "false" "False" "FALSE")
set (Default_STRING_VALUES "DEFAULT" "default" "Default")
set (Seastar_ALLOC_FAILURE_INJECTION
"DEFAULT"
CACHE
STRING
"Enable failure injection into the Seastar allocator. Can be ON, OFF or DEFAULT (which enables it for Dev mode)")
option (Seastar_TASK_BACKTRACE
"Collect backtrace at deferring points."
OFF)
option (Seastar_DEBUG_ALLOCATIONS
"For now just writes 0xab to newly allocated memory"
OFF)
option (Seastar_SSTRING
"Use seastar's own string implementation"
ON)
set (Seastar_API_LEVEL
"6"
CACHE
STRING
"Seastar compatibility API level (2=server_socket::accept() returns accept_result, 3=make_file_output_stream(), make_file_data_sink() returns future<...>, 4=when_all_succeed returns future<std::tuple<>>, 5=future<T>::get() returns T&&), 6=future is not variadic")
set_property (CACHE Seastar_API_LEVEL
PROPERTY
STRINGS 2 3 4 5 6)
set (Seastar_SCHEDULING_GROUPS_COUNT
"16"
CACHE
STRING
"A positive number to set Seastar's reactor number of allowed different scheduling groups.")
if (NOT Seastar_SCHEDULING_GROUPS_COUNT MATCHES "^[1-9][0-9]*")
message(FATAL_ERROR "Seastar_SCHEDULING_GROUPS_COUNT must be a positive number (${Seastar_SCHEDULING_GROUPS_COUNT})")
endif()
#
# Add a dev build type.
#
# All pre-defined build modes include optimizations or debug info,
# which make them slow to build. The dev build mode is intended for
# fast build/test iteration.
#
if (CMAKE_CXX_COMPILER_ID MATCHES Clang)
set (CMAKE_CXX_FLAGS_DEV_OPT_LEVEL "-O2")
else ()
set (CMAKE_CXX_FLAGS_DEV_OPT_LEVEL "-O1")
endif ()
set (CMAKE_CXX_FLAGS_DEV
"${CMAKE_CXX_FLAGS_DEV_OPT_LEVEL}"
CACHE
STRING
"Flags used by the C++ compiler during dev builds."
FORCE)
set (CMAKE_C_FLAGS_DEV
"-O1"
CACHE
STRING
"Flags used by the C compiler during dev builds."
FORCE)
set (CMAKE_EXE_LINKER_FLAGS_DEV
""
CACHE
STRING
"Flags used for linking binaries during dev builds."
FORCE)
set (CMAKE_SHARED_LINKER_FLAGS_DEV
""
CACHE
STRING
"Flags used by the shared libraries linker during builds."
FORCE)
mark_as_advanced (
CMAKE_CXX_FLAGS_DEV
CMAKE_C_FLAGS_DEV
CMAKE_EXE_LINKER_FLAGS_DEV
CMAKE_SHARED_LINKER_FLAGS_DEV)
set (CMAKE_CXX_FLAGS_SANITIZE
"-Os -g"
CACHE
STRING
"Flags used by the C++ compiler during sanitize builds."
FORCE)
set (CMAKE_C_FLAGS_SANITIZE
"-Os -g"
CACHE
STRING
"Flags used by the C compiler during sanitize builds."
FORCE)
set (CMAKE_EXE_LINKER_FLAGS_SANITIZE
""
CACHE
STRING
"Flags used for linking binaries during sanitize builds."
FORCE)
set (CMAKE_SHARED_LINKER_FLAGS_SANITIZE
""
CACHE
STRING
"Flags used by the shared libraries linker during sanitize builds."
FORCE)
mark_as_advanced (
CMAKE_CXX_FLAGS_SANITIZE
CMAKE_C_FLAGS_SANITIZE
CMAKE_EXE_LINKER_FLAGS_SANITIZE
CMAKE_SHARED_LINKER_FLAGS_SANITIZE)
set (CMAKE_BUILD_TYPE
"${CMAKE_BUILD_TYPE}"
CACHE
STRING
"Choose the type of build, options are: None Debug Release RelWithDebInfo MinSizeRel Dev Sanitize."
FORCE)
if (NOT CMAKE_BUILD_TYPE)
set (CMAKE_BUILD_TYPE "Release")
endif ()
set (Seastar_ALLOC_PAGE_SIZE
""
CACHE
STRING
"Override the Seastar allocator page size, in bytes.")
option (Seastar_APPS
"Enable application targets."
ON)
set (Seastar_CXX_DIALECT
"gnu++17"
CACHE
STRING
"Compile Seastar according to the named C++ standard.")
if (Seastar_CXX_DIALECT)
# extract CXX standard (14/17/...) from Seastar_CXX_DIALECT
string(SUBSTRING ${Seastar_CXX_DIALECT} 5 2 STANDARD)
set(CMAKE_CXX_STANDARD ${STANDARD})
set(CMAKE_CXX_STANDARD_REQUIRED ON)
endif ()
set (Seastar_CXX_FLAGS
""
CACHE
STRING
"Semicolon-separated list of extra compilation flags for Seastar itself.")
option (Seastar_DEMOS
"Enable demonstration targets."
ON)
option (Seastar_DOCS
"Enable documentation targets."
ON)
option (Seastar_DPDK
"Enable DPDK support."
OFF)
option (Seastar_EXCLUDE_APPS_FROM_ALL
"When enabled alongside Seastar_APPS, do not build applications by default."
OFF)
option (Seastar_EXCLUDE_DEMOS_FROM_ALL
"When enabled alongside Seastar_DEMOS, do not build demonstrations by default."
OFF)
option (Seastar_EXCLUDE_TESTS_FROM_ALL
"When enabled alongside Seastar_TESTING, do not build tests by default."
OFF)
option (Seastar_EXECUTE_ONLY_FAST_TESTS
"Only execute tests which run quickly."
OFF)
option (Seastar_HWLOC
"Enable hwloc support."
ON)
set (Seastar_JENKINS
""
CACHE
STRING
"If non-empty, the prefix for XML files containing the results of running tests (for Jenkins).")
set (Seastar_LD_FLAGS
""
CACHE
STRING
"Semicolon-separated list of extra linking flags for Seastar itself.")
option (Seastar_INSTALL
"Install targets."
ON)
option (Seastar_NUMA
"Enable NUMA support."
ON)
option (Seastar_TESTING
"Enable testing targets."
ON)
option (Seastar_COMPRESS_DEBUG
"Compress debug info."
ON)
option (Seastar_SPLIT_DWARF
"Use split dwarf."
OFF)
option (Seastar_HEAP_PROFILING
"Enable heap profiling. No effect when Seastar is compiled with the default allocator."
OFF)
option (Seastar_DEFERRED_ACTION_REQUIRE_NOEXCEPT
"Enable noexcept requirement for deferred actions."
ON)
set (Seastar_TEST_TIMEOUT
"300"
CACHE
STRING
"Maximum allowed time for a test to run, in seconds.")
# We set the following environment variables
# * ASAN_OPTIONS=disable_coredump=0:abort_on_error=1:detect_stack_use_after_return=1
# By default asan disables core dumps because they used to be
# huge. This is no longer the case since the shadow memory is
# excluded, so it is safe to enable them.
# * UBSAN_OPTIONS=halt_on_error=1:abort_on_error=1
# Fail the test if any undefined behavior is found and use abort
# instead of exit. Using abort is what causes core dumps to be
# produced.
# * BOOST_TEST_CATCH_SYSTEM_ERRORS=no
# Normally the boost test library handles SIGABRT and prevents core
# dumps from being produced.
# This works great with clang and gcc 10.2, but unfortunately not any
# previous gcc.
set (Seastar_USE_AFTER_RETURN "")
if ((NOT (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")) OR
(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 10.2))
set (Seastar_USE_AFTER_RETURN ":detect_stack_use_after_return=1")
endif ()
set (Seastar_TEST_ENVIRONMENT
"ASAN_OPTIONS=disable_coredump=0:abort_on_error=1${Seastar_USE_AFTER_RETURN};UBSAN_OPTIONS=halt_on_error=1:abort_on_error=1;BOOST_TEST_CATCH_SYSTEM_ERRORS=no"
CACHE
STRING
"Environment variables for running tests")
option (Seastar_UNUSED_RESULT_ERROR
"Make [[nodiscard]] violations an error (instead of a warning)."
OFF)
set (Seastar_STACK_GUARDS
"DEFAULT"
CACHE
STRING
"Enable stack guards. Can be ON, OFF or DEFAULT (which enables it for non release builds)")
set (Seastar_SANITIZE
"DEFAULT"
CACHE
STRING
"Enable ASAN and UBSAN. Can be ON, OFF or DEFAULT (which enables it for Debug and Sanitize)")
set (Seastar_DEBUG_SHARED_PTR
"DEFAULT"
CACHE
STRING
"Enable shared_ptr debugging. Can be ON, OFF or DEFAULT (which enables it for Debug and Sanitize)")
# When Seastar is embedded with `add_subdirectory`, disable the non-library targets.
if (NOT (CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR))
set (Seastar_APPS OFF)
set (Seastar_DEMOS OFF)
set (Seastar_DOCS OFF)
set (Seastar_INSTALL OFF)
set (Seastar_TESTING OFF)
endif ()
#
# Useful (non-cache) variables.
#
set (Seastar_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
set (Seastar_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
set (Seastar_GEN_BINARY_DIR ${Seastar_BINARY_DIR}/gen)
#
# Dependencies.
#
include (SeastarDependencies)
seastar_find_dependencies ()
# Private build dependencies not visible to consumers
find_package (ragel 6.10 REQUIRED)
find_package (Threads REQUIRED)
find_package (PthreadSetName REQUIRED)
#
# Code generation helpers.
#
function (seastar_generate_ragel)
set (one_value_args TARGET VAR IN_FILE OUT_FILE)
cmake_parse_arguments (args "" "${one_value_args}" "" ${ARGN})
get_filename_component (out_dir ${args_OUT_FILE} DIRECTORY)
add_custom_command (
DEPENDS ${args_IN_FILE}
OUTPUT ${args_OUT_FILE}
COMMAND ${CMAKE_COMMAND} -E make_directory ${out_dir}
COMMAND ${ragel_RAGEL_EXECUTABLE} -G2 -o ${args_OUT_FILE} ${args_IN_FILE}
COMMAND sed -i -e "'1h;2,$$H;$$!d;g'" -re "'s/static const char _nfa[^;]*;//g'" ${args_OUT_FILE})
add_custom_target (${args_TARGET}
DEPENDS ${args_OUT_FILE})
set (${args_VAR} ${args_OUT_FILE} PARENT_SCOPE)
endfunction ()
function (seastar_generate_swagger)
set (one_value_args TARGET VAR IN_FILE OUT_DIR)
cmake_parse_arguments (args "" "${one_value_args}" "" ${ARGN})
get_filename_component (in_file_name ${args_IN_FILE} NAME)
set (generator ${Seastar_SOURCE_DIR}/scripts/seastar-json2code.py)
set (header_out ${args_OUT_DIR}/${in_file_name}.hh)
set (source_out ${args_OUT_DIR}/${in_file_name}.cc)
add_custom_command (
DEPENDS
${args_IN_FILE}
${generator}
OUTPUT ${header_out} ${source_out}
COMMAND ${CMAKE_COMMAND} -E make_directory ${args_OUT_DIR}
COMMAND ${generator} --create-cc -f ${args_IN_FILE} -o ${header_out})
add_custom_target (${args_TARGET}
DEPENDS
${header_out}
${source_out})
set (${args_VAR} ${header_out} ${source_out} PARENT_SCOPE)
endfunction ()
#
# The `seastar` library.
#
seastar_generate_ragel (
TARGET seastar_http_chunk_parsers
VAR http_chunk_parsers_file
IN_FILE ${CMAKE_CURRENT_SOURCE_DIR}/src/http/chunk_parsers.rl
OUT_FILE ${Seastar_GEN_BINARY_DIR}/include/seastar/http/chunk_parsers.hh)
seastar_generate_ragel (
TARGET seastar_http_request_parser
VAR http_request_parser_file
IN_FILE ${CMAKE_CURRENT_SOURCE_DIR}/src/http/request_parser.rl
OUT_FILE ${Seastar_GEN_BINARY_DIR}/include/seastar/http/request_parser.hh)
seastar_generate_ragel (
TARGET seastar_http_response_parser
VAR http_response_parser_file
IN_FILE ${CMAKE_CURRENT_SOURCE_DIR}/src/http/response_parser.rl
OUT_FILE ${Seastar_GEN_BINARY_DIR}/include/seastar/http/response_parser.hh)
if (Seastar_DPDK)
set (seastar_dpdk_obj seastar-dpdk.o)
endif ()
add_library (seastar STATIC
${http_chunk_parsers_file}
${http_request_parser_file}
${seastar_dpdk_obj}
include/seastar/core/abort_source.hh
include/seastar/core/alien.hh
include/seastar/core/align.hh
include/seastar/core/aligned_buffer.hh
include/seastar/core/app-template.hh
include/seastar/core/array_map.hh
include/seastar/core/bitops.hh
include/seastar/core/bitset-iter.hh
include/seastar/core/byteorder.hh
include/seastar/core/cacheline.hh
include/seastar/core/checked_ptr.hh
include/seastar/core/chunked_fifo.hh
include/seastar/core/circular_buffer.hh
include/seastar/core/circular_buffer_fixed_capacity.hh
include/seastar/core/condition-variable.hh
include/seastar/core/deleter.hh
include/seastar/core/distributed.hh
include/seastar/core/do_with.hh
include/seastar/core/dpdk_rte.hh
include/seastar/core/enum.hh
include/seastar/core/exception_hacks.hh
include/seastar/core/execution_stage.hh
include/seastar/core/expiring_fifo.hh
include/seastar/core/fair_queue.hh
include/seastar/core/file.hh
include/seastar/core/file-types.hh
include/seastar/core/fsqual.hh
include/seastar/core/fstream.hh
include/seastar/core/function_traits.hh
include/seastar/core/future-util.hh
include/seastar/core/future.hh
include/seastar/core/gate.hh
include/seastar/core/iostream-impl.hh
include/seastar/core/iostream.hh
include/seastar/util/later.hh
include/seastar/core/layered_file.hh
include/seastar/core/linux-aio.hh
include/seastar/core/loop.hh
include/seastar/core/lowres_clock.hh
include/seastar/core/manual_clock.hh
include/seastar/core/map_reduce.hh
include/seastar/core/memory.hh
include/seastar/core/metrics.hh
include/seastar/core/metrics_api.hh
include/seastar/core/metrics_registration.hh
include/seastar/core/metrics_types.hh
include/seastar/core/pipe.hh
include/seastar/core/posix.hh
include/seastar/core/preempt.hh
include/seastar/core/prefetch.hh
include/seastar/core/print.hh
include/seastar/core/prometheus.hh
include/seastar/core/queue.hh
include/seastar/core/ragel.hh
include/seastar/core/reactor.hh
include/seastar/core/report_exception.hh
include/seastar/core/resource.hh
include/seastar/core/rwlock.hh
include/seastar/core/scattered_message.hh
include/seastar/core/scheduling.hh
include/seastar/core/scollectd.hh
include/seastar/core/scollectd_api.hh
include/seastar/core/seastar.hh
include/seastar/core/semaphore.hh
include/seastar/core/sharded.hh
include/seastar/core/shared_future.hh
include/seastar/core/shared_mutex.hh
include/seastar/core/shared_ptr.hh
include/seastar/core/shared_ptr_debug_helper.hh
include/seastar/core/shared_ptr_incomplete.hh
include/seastar/core/simple-stream.hh
include/seastar/core/slab.hh
include/seastar/core/sleep.hh
include/seastar/core/sstring.hh
include/seastar/core/stall_sampler.hh
include/seastar/core/stream.hh
include/seastar/core/systemwide_memory_barrier.hh
include/seastar/core/task.hh
include/seastar/core/temporary_buffer.hh
include/seastar/core/thread.hh
include/seastar/core/thread_cputime_clock.hh
include/seastar/core/thread_impl.hh
include/seastar/core/timed_out_error.hh
include/seastar/core/timer-set.hh
include/seastar/core/timer.hh
include/seastar/core/transfer.hh
include/seastar/core/unaligned.hh
include/seastar/core/units.hh
include/seastar/core/vector-data-sink.hh
include/seastar/core/weak_ptr.hh
include/seastar/core/when_all.hh
include/seastar/core/with_scheduling_group.hh
include/seastar/core/with_timeout.hh
include/seastar/http/api_docs.hh
include/seastar/http/common.hh
include/seastar/http/exception.hh
include/seastar/http/file_handler.hh
include/seastar/http/function_handlers.hh
include/seastar/http/handlers.hh
include/seastar/http/httpd.hh
include/seastar/http/json_path.hh
include/seastar/http/matcher.hh
include/seastar/http/matchrules.hh
include/seastar/http/mime_types.hh
include/seastar/http/reply.hh
include/seastar/http/request.hh
include/seastar/http/routes.hh
include/seastar/http/short_streams.hh
include/seastar/http/transformers.hh
include/seastar/json/formatter.hh
include/seastar/json/json_elements.hh
include/seastar/net/api.hh
include/seastar/net/arp.hh
include/seastar/net/byteorder.hh
include/seastar/net/config.hh
include/seastar/net/const.hh
include/seastar/net/dhcp.hh
include/seastar/net/dns.hh
include/seastar/net/dpdk.hh
include/seastar/net/ethernet.hh
include/seastar/net/inet_address.hh
include/seastar/net/ip.hh
include/seastar/net/ip_checksum.hh
include/seastar/net/native-stack.hh
include/seastar/net/net.hh
include/seastar/net/packet-data-source.hh
include/seastar/net/packet-util.hh
include/seastar/net/packet.hh
include/seastar/net/posix-stack.hh
include/seastar/net/proxy.hh
include/seastar/net/socket_defs.hh
include/seastar/net/stack.hh
include/seastar/net/tcp-stack.hh
include/seastar/net/tcp.hh
include/seastar/net/tls.hh
include/seastar/net/toeplitz.hh
include/seastar/net/udp.hh
include/seastar/net/unix_address.hh
include/seastar/net/virtio-interface.hh
include/seastar/net/virtio.hh
include/seastar/rpc/lz4_compressor.hh
include/seastar/rpc/lz4_fragmented_compressor.hh
include/seastar/rpc/multi_algo_compressor_factory.hh
include/seastar/rpc/rpc.hh
include/seastar/rpc/rpc_impl.hh
include/seastar/rpc/rpc_types.hh
include/seastar/util/alloc_failure_injector.hh
include/seastar/util/backtrace.hh
include/seastar/util/concepts.hh
include/seastar/util/bool_class.hh
include/seastar/util/conversions.hh
include/seastar/util/defer.hh
include/seastar/util/eclipse.hh
include/seastar/util/function_input_iterator.hh
include/seastar/util/gcc6-concepts.hh
include/seastar/util/indirect.hh
include/seastar/util/is_smart_ptr.hh
include/seastar/util/lazy.hh
include/seastar/util/log-cli.hh
include/seastar/util/log-impl.hh
include/seastar/util/log.hh
include/seastar/util/noncopyable_function.hh
include/seastar/util/optimized_optional.hh
include/seastar/util/print_safe.hh
include/seastar/util/program-options.hh
include/seastar/util/read_first_line.hh
include/seastar/util/reference_wrapper.hh
include/seastar/util/spinlock.hh
include/seastar/util/std-compat.hh
include/seastar/util/transform_iterator.hh
include/seastar/util/tuple_utils.hh
include/seastar/util/variant_utils.hh
include/seastar/util/closeable.hh
include/seastar/util/source_location-compat.hh
include/seastar/websocket/server.hh
src/core/alien.cc
src/core/file.cc
src/core/fair_queue.cc
src/core/reactor_backend.cc
src/core/thread_pool.cc
src/core/app-template.cc
src/core/dpdk_rte.cc
src/core/exception_hacks.cc
src/core/execution_stage.cc
src/core/file-impl.hh
src/core/fsnotify.cc
src/core/fsqual.cc
src/core/fstream.cc
src/core/future.cc
src/core/future-util.cc
src/core/linux-aio.cc
src/core/memory.cc
src/core/metrics.cc
src/core/on_internal_error.cc
src/core/posix.cc
src/core/prometheus.cc
src/core/program_options.cc
src/core/reactor.cc
src/core/resource.cc
src/core/sharded.cc
src/core/scollectd.cc
src/core/scollectd-impl.hh
src/core/systemwide_memory_barrier.cc
src/core/smp.cc
src/core/sstring.cc
src/core/thread.cc
src/core/uname.cc
src/core/vla.hh
src/core/io_queue.cc
src/core/semaphore.cc
src/core/condition-variable.cc
src/http/api_docs.cc
src/http/common.cc
src/http/file_handler.cc
src/http/httpd.cc
src/http/json_path.cc
src/http/matcher.cc
src/http/mime_types.cc
src/http/reply.cc
src/http/routes.cc
src/http/short_streams.cc
src/http/transformers.cc
src/json/formatter.cc
src/json/json_elements.cc
src/net/arp.cc
src/net/config.cc
src/net/dhcp.cc
src/net/dns.cc
src/net/dpdk.cc
src/net/ethernet.cc
src/net/inet_address.cc
src/net/ip.cc
src/net/ip_checksum.cc
src/net/native-stack-impl.hh
src/net/native-stack.cc
src/net/net.cc
src/net/packet.cc
src/net/posix-stack.cc
src/net/proxy.cc
src/net/socket_address.cc
src/net/stack.cc
src/net/tcp.cc
src/net/tls.cc
src/net/udp.cc
src/net/unix_address.cc
src/net/virtio.cc
src/rpc/lz4_compressor.cc
src/rpc/lz4_fragmented_compressor.cc
src/rpc/rpc.cc
src/util/alloc_failure_injector.cc
src/util/backtrace.cc
src/util/conversions.cc
src/util/exceptions.cc
src/util/file.cc
src/util/log.cc
src/util/program-options.cc
src/util/read_first_line.cc
src/util/tmp_file.cc
src/websocket/server.cc)
add_library (Seastar::seastar ALIAS seastar)
add_dependencies (seastar
seastar_http_chunk_parsers
seastar_http_request_parser
seastar_http_response_parser)
target_include_directories (seastar
PUBLIC
$<INSTALL_INTERFACE:include>
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
$<BUILD_INTERFACE:${Seastar_GEN_BINARY_DIR}/include>
PRIVATE
${CMAKE_CURRENT_SOURCE_DIR}/src
${Seastar_GEN_BINARY_DIR}/src)
set (Seastar_PRIVATE_CXX_FLAGS
-fvisibility=hidden
-UNDEBUG
-Wall
-Werror
-Wno-array-bounds # Disabled because of https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93437
-Wno-error=deprecated-declarations)
if (Seastar_COMPRESS_DEBUG)
# -gz doesn't imply -g, so it is safe to add it regardless of debug
# info being enabled.
list (APPEND Seastar_PRIVATE_CXX_FLAGS -gz)
endif()
target_link_libraries (seastar
PUBLIC
Boost::boost
Boost::program_options
Boost::thread
c-ares::c-ares
cryptopp::cryptopp
fmt::fmt
lz4::lz4
PRIVATE
${CMAKE_DL_LIBS}
GnuTLS::gnutls
StdAtomic::atomic
lksctp-tools::lksctp-tools
rt::rt
yaml-cpp::yaml-cpp
Threads::Threads)
set (Seastar_SANITIZE_MODES "Debug" "Sanitize")
if ((Seastar_SANITIZE STREQUAL "ON") OR
((Seastar_SANITIZE STREQUAL "DEFAULT") AND
(CMAKE_BUILD_TYPE IN_LIST Seastar_SANITIZE_MODES)))
if (NOT Sanitizers_FOUND)
message (FATAL_ERROR "Sanitizers not found!")
endif ()
set (Seastar_Sanitizers_OPTIONS ${Sanitizers_COMPILER_OPTIONS})
target_link_libraries (seastar
PUBLIC
Sanitizers::address
Sanitizers::undefined_behavior)
endif ()
# We only need valgrind to find uninitialized memory uses, so disable
# the leak sanitizer.
# To test with valgrind run "ctest -T memcheck"
set( MEMORYCHECK_COMMAND_OPTIONS "--error-exitcode=1 --leak-check=no --trace-children=yes" )
include (CTest)
#
# We want asserts enabled on all modes, but cmake defaults to passing
# -DNDEBUG in some modes. We add -UNDEBUG to our private options to
# reenable it. To force asserts off pass -DNDEBUG in
# Seastar_CXX_FLAGS.
#
# To disable -Werror, pass -Wno-error to Seastar_CXX_FLAGS.
#
# We disable _FORTIFY_SOURCE because it generates false positives with longjmp() (src/core/thread.cc)
#
target_compile_options (seastar
PUBLIC
$<$<COMPILE_LANGUAGE:CXX>:-std=${Seastar_CXX_DIALECT}>
-U_FORTIFY_SOURCE)
target_compile_definitions(seastar
PUBLIC
SEASTAR_API_LEVEL=${Seastar_API_LEVEL})
function (seastar_supports_flag flag var)
set (CMAKE_REQUIRED_FLAGS "${flag}")
check_cxx_source_compiles ("int main() { return 0; }" tmp_${var})
set (${var} ${tmp_${var}} PARENT_SCOPE)
endfunction ()
seastar_supports_flag ("-Wno-maybe-uninitialized -Werror" MaybeUninitialized_FOUND)
if (MaybeUninitialized_FOUND)
target_compile_options (seastar
PUBLIC
# With std::experimental::optional it is easy to hit
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88897. We disable
# -Wmaybe-uninitialized in here since otherwise we would have to
# disable it on many types used inside optional<>.
-Wno-maybe-uninitialized)
endif ()
if (Seastar_SSTRING)
target_compile_options (seastar PUBLIC -DSEASTAR_SSTRING)
endif ()
if (LinuxMembarrier_FOUND)
list (APPEND Seastar_PRIVATE_COMPILE_DEFINITIONS SEASTAR_HAS_MEMBARRIER)
target_link_libraries (seastar
PRIVATE LinuxMembarrier::membarrier)
endif ()
set (Seastar_ALLOC_FAILURE_INJECTION_MODES "Dev")
if ((Seastar_ALLOC_FAILURE_INJECTION IN_LIST True_STRING_VALUES) OR
((Seastar_ALLOC_FAILURE_INJECTION STREQUAL "DEFAULT") AND
(CMAKE_BUILD_TYPE IN_LIST Seastar_ALLOC_FAILURE_INJECTION_MODES)))
target_compile_definitions (seastar
PUBLIC SEASTAR_ENABLE_ALLOC_FAILURE_INJECTION)
endif ()
if (Seastar_TASK_BACKTRACE)
target_compile_definitions (seastar
PUBLIC SEASTAR_TASK_BACKTRACE)
endif ()
if (Seastar_DEBUG_ALLOCATIONS)
target_compile_definitions (seastar
PRIVATE SEASTAR_DEBUG_ALLOCATIONS)
endif ()
if (Sanitizers_FIBER_SUPPORT)
list (APPEND Seastar_PRIVATE_COMPILE_DEFINITIONS SEASTAR_HAVE_ASAN_FIBER_SUPPORT)
endif ()
if (Seastar_ALLOC_PAGE_SIZE)
target_compile_definitions (seastar
PUBLIC SEASTAR_OVERRIDE_ALLOCATOR_PAGE_SIZE=${Seastar_ALLOC_PAGE_SIZE})
endif ()
target_compile_definitions (seastar
PUBLIC SEASTAR_SCHEDULING_GROUPS_COUNT=${Seastar_SCHEDULING_GROUPS_COUNT})
if (Seastar_CXX_FLAGS)
list (APPEND Seastar_PRIVATE_CXX_FLAGS ${Seastar_CXX_FLAGS})
endif ()
# When using split dwarf --gdb-index is effectively required since
# otherwise gdb is just too slow. We also want to use split dwarf in
# as many compilation units as possible. So while these flags don't
# have to be public, we don't expect anyone to want to build seastar
# with them and some client code without.
if (Seastar_SPLIT_DWARF AND (NOT (CMAKE_BUILD_TYPE STREQUAL "Dev")))
set (Seastar_SPLIT_DWARF_FLAG "-Wl,--gdb-index")
target_link_libraries (seastar PUBLIC ${Seastar_SPLIT_DWARF_FLAG})
target_compile_options (seastar PUBLIC "-gsplit-dwarf")
endif ()
if (Seastar_HEAP_PROFILING)
set_property (
SOURCE "src/core/memory.cc"
PROPERTY
COMPILE_DEFINITIONS SEASTAR_HEAPPROF)
endif ()
if (Seastar_DEFERRED_ACTION_REQUIRE_NOEXCEPT)
list (APPEND Seastar_PRIVATE_COMPILE_DEFINITIONS SEASTAR_DEFERRED_ACTION_REQUIRE_NOEXCEPT)
endif ()
if (Seastar_DPDK)
if (NOT dpdk_FOUND)
message (FATAL_ERROR "dpdk support is enabled but it is not available!")
endif ()
#
# The DPDK architecture needs to be transitively applied to consumers of Seastar as well.
#
set (Seastar_ARCH_FOR_native "native")
set (Seastar_ARCH_FOR_nhm "nehalem")
set (Seastar_ARCH_FOR_wsm "westmere")
set (Seastar_ARCH_FOR_snb "sandybridge")
set (Seastar_ARCH_FOR_ivb "ivybridge")
set (Seastar_ARCH_FOR_armv8a "armv8-a")
set (Seastar_ARCH ${Seastar_ARCH_FOR_${Seastar_DPDK_MACHINE}})
if (NOT Seastar_ARCH)
message (FATAL_ERROR "Unrecognized DPDK machine identifier: ${Seastar_DPDK_MACHINE}")
endif ()
target_compile_options (seastar
PUBLIC -march=${Seastar_ARCH})
target_compile_definitions (seastar
PUBLIC SEASTAR_HAVE_DPDK)
# No pmd driver code will be pulled in without "--whole-archive". To
# avoid exposing that to seastar users, combine dpdk into a single
# .o file.
add_custom_command (
OUTPUT seastar-dpdk.o
COMMAND ld -r -o seastar-dpdk.o --whole-archive ${dpdk_LIBRARIES} --no-whole-archive
)
# This just provides the include path to cmake
target_link_libraries (seastar
PUBLIC dpdk::dpdk)
endif ()
if (Seastar_HWLOC)
if (NOT hwloc_FOUND)
message (FATAL_ERROR "`hwloc` support is enabled but it is not available!")
endif ()
list (APPEND Seastar_PRIVATE_COMPILE_DEFINITIONS SEASTAR_HAVE_HWLOC)
target_link_libraries (seastar
PRIVATE hwloc::hwloc)
endif ()
if (Seastar_LD_FLAGS)
# In newer versions of CMake, there is `target_link_options`.
target_link_libraries (seastar
PRIVATE ${Seastar_LD_FLAGS})
endif ()
if (Seastar_NUMA)
if (NOT numactl_FOUND)
message (FATAL_ERROR "NUMA support is enabled but `numactl` is not available!")
endif ()
list (APPEND Seastar_PRIVATE_COMPILE_DEFINITIONS SEASTAR_HAVE_NUMA)
target_link_libraries (seastar
PRIVATE numactl::numactl)
endif ()
if (lz4_HAVE_COMPRESS_DEFAULT)
list (APPEND Seastar_PRIVATE_COMPILE_DEFINITIONS SEASTAR_HAVE_LZ4_COMPRESS_DEFAULT)
endif ()
seastar_supports_flag ("-Werror=unused-result" ErrorUnused_FOUND)
if (ErrorUnused_FOUND)
if (Seastar_UNUSED_RESULT_ERROR)
target_compile_options (seastar
PUBLIC -Werror=unused-result)
else()
target_compile_options (seastar
PUBLIC -Wno-error=unused-result)
endif ()
endif ()
seastar_supports_flag ("-Wno-error=#warnings" ErrorWarnings_FOUND)
if (ErrorWarnings_FOUND)
target_compile_options (seastar
PUBLIC "-Wno-error=#warnings")
endif ()
if ((CMAKE_BUILD_TYPE STREQUAL "Debug") OR (CMAKE_BUILD_TYPE STREQUAL "Sanitize"))
target_compile_definitions (seastar
PUBLIC
SEASTAR_DEBUG
SEASTAR_DEFAULT_ALLOCATOR
SEASTAR_SHUFFLE_TASK_QUEUE)
endif ()
set (Seastar_DEBUG_SHARED_PTR_MODES "Debug" "Sanitize")
if (Seastar_DEBUG_SHARED_PTR IN_LIST True_STRING_VALUES OR
((Seastar_DEBUG_SHARED_PTR IN_LIST Default_STRING_VALUES) AND
(CMAKE_BUILD_TYPE IN_LIST Seastar_DEBUG_SHARED_PTR_MODES)))
target_compile_definitions (seastar
PUBLIC
SEASTAR_DEBUG_SHARED_PTR)
endif ()
set (Seastar_STACK_GUARD_MODES "Debug" "Sanitize" "Dev")
if ((Seastar_STACK_GUARDS STREQUAL "ON") OR
((Seastar_STACK_GUARDS STREQUAL "DEFAULT") AND
(CMAKE_BUILD_TYPE IN_LIST Seastar_STACK_GUARD_MODES)))
# check for -fstack-clash-protection together with -Werror, because
# otherwise clang can soft-fail (return 0 but emit a warning) instead.
seastar_supports_flag ("-fstack-clash-protection -Werror" StackClashProtection_FOUND)
if (StackClashProtection_FOUND)
target_compile_options (seastar
PUBLIC
-fstack-clash-protection)
endif ()
target_compile_definitions (seastar
PRIVATE
SEASTAR_THREAD_STACK_GUARDS)
endif ()
if ((CMAKE_BUILD_TYPE STREQUAL "Dev") OR (CMAKE_BUILD_TYPE STREQUAL "Debug"))
target_compile_definitions (seastar
PUBLIC
SEASTAR_TYPE_ERASE_MORE)
endif ()
target_compile_definitions (seastar