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configure.py
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#!/usr/bin/python3
#
# 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.
#
import os, os.path, textwrap, argparse, sys, shlex, subprocess, tempfile, re
import distutils.spawn
configure_args = str.join(' ', [shlex.quote(x) for x in sys.argv[1:]])
tempfile.tempdir = "./build/tmp"
srcdir = os.getcwd()
ninja_exe = distutils.spawn.find_executable('ninja-build') or distutils.spawn.find_executable('ninja')
def get_flags():
with open('/proc/cpuinfo') as f:
for line in f:
if line.strip():
if line.rstrip('\n').startswith('flags'):
return re.sub(r'^flags\s+: ', '', line).split()
def add_tristate(arg_parser, name, dest, help):
arg_parser.add_argument('--enable-' + name, dest = dest, action = 'store_true', default = None,
help = 'Enable ' + help)
arg_parser.add_argument('--disable-' + name, dest = dest, action = 'store_false', default = None,
help = 'Disable ' + help)
def apply_tristate(var, test, note, missing):
if (var is None) or var:
if test():
return True
elif var == True:
print(missing)
sys.exit(1)
else:
print(note)
return False
return False
#
# dpdk_cflags - fetch the DPDK specific CFLAGS
#
# Run a simple makefile that "includes" the DPDK main makefile and prints the
# MACHINE_CFLAGS value
#
def dpdk_cflags (dpdk_target):
ensure_tmp_dir_exists()
with tempfile.NamedTemporaryFile() as sfile:
dpdk_target = os.path.abspath(dpdk_target)
dpdk_target = re.sub(r'\/+$', '', dpdk_target)
dpdk_sdk_path = os.path.dirname(dpdk_target)
dpdk_target_name = os.path.basename(dpdk_target)
dpdk_arch = dpdk_target_name.split('-')[0]
if args.dpdk:
dpdk_sdk_path = 'dpdk'
dpdk_target = os.getcwd() + '/build/dpdk'
dpdk_target_name = 'x86_64-{}-linuxapp-gcc'.format(dpdk_machine)
dpdk_arch = 'x86_64'
sfile.file.write(bytes('include ' + dpdk_sdk_path + '/mk/rte.vars.mk' + "\n", 'utf-8'))
sfile.file.write(bytes('all:' + "\n\t", 'utf-8'))
sfile.file.write(bytes('@echo $(MACHINE_CFLAGS)' + "\n", 'utf-8'))
sfile.file.flush()
dpdk_cflags = subprocess.check_output(['make', '--no-print-directory',
'-f', sfile.name,
'RTE_SDK=' + dpdk_sdk_path,
'RTE_OUTPUT=' + dpdk_target,
'RTE_TARGET=' + dpdk_target_name,
'RTE_SDK_BIN=' + dpdk_target,
'RTE_ARCH=' + dpdk_arch])
dpdk_cflags_str = dpdk_cflags.decode('utf-8')
dpdk_cflags_str = re.sub(r'\n+$', '', dpdk_cflags_str)
dpdk_cflags_final = ''
return dpdk_cflags_str
def try_compile(compiler, source = '', flags = []):
return try_compile_and_link(compiler, source, flags = flags + ['-c'])
def ensure_tmp_dir_exists():
if not os.path.exists(tempfile.tempdir):
os.makedirs(tempfile.tempdir)
def try_compile_and_link(compiler, source = '', flags = []):
ensure_tmp_dir_exists()
with tempfile.NamedTemporaryFile() as sfile:
ofile = tempfile.mktemp()
try:
sfile.file.write(bytes(source, 'utf-8'))
sfile.file.flush()
# We can't write to /dev/null, since in some cases (-ftest-coverage) gcc will create an auxiliary
# output file based on the name of the output file, and "/dev/null.gcsa" is not a good name
return subprocess.call([compiler, '-x', 'c++', '-o', ofile, sfile.name] + flags,
stdout = subprocess.DEVNULL,
stderr = subprocess.DEVNULL) == 0
finally:
if os.path.exists(ofile):
os.unlink(ofile)
def try_compile_and_run(compiler, flags, source, env = {}):
ensure_tmp_dir_exists()
mktemp = tempfile.NamedTemporaryFile
with mktemp() as sfile, mktemp(mode='rb') as xfile:
sfile.file.write(bytes(source, 'utf-8'))
sfile.file.flush()
xfile.file.close()
if subprocess.call([compiler, '-x', 'c++', '-o', xfile.name, sfile.name] + args.user_cflags.split() + flags,
stdout = subprocess.DEVNULL, stderr = subprocess.DEVNULL) != 0:
# The compiler may delete the target on failure, and lead to
# NamedTemporaryFile's destructor throwing an exception.
open(xfile.name, 'a').close()
return False
e = os.environ.copy()
e.update(env)
env = e
return subprocess.call([xfile.name], stdout = subprocess.DEVNULL, stderr = subprocess.DEVNULL, env=env) == 0
def warning_supported(warning, compiler, flags):
# gcc ignores -Wno-x even if it is not supported
adjusted = re.sub('^-Wno-', '-W', warning)
return try_compile(flags=flags + [adjusted, '-Werror'], compiler = compiler)
def debug_flag(compiler, flags):
src_with_auto = textwrap.dedent('''\
template <typename T>
struct x { auto f() {} };
x<int> a;
''')
if try_compile(source = src_with_auto, flags = flags + ['-g', '-std=gnu++1y'], compiler = compiler):
return '-g'
else:
print('Note: debug information disabled; upgrade your compiler')
return ''
def dialect_supported(dialect, compiler='g++'):
return try_compile(compiler=compiler, source='', flags=['-std=' + dialect])
def detect_membarrier(compiler, flags):
return try_compile(compiler=compiler, flags=flags, source=textwrap.dedent('''\
#include <linux/membarrier.h>
int x = MEMBARRIER_CMD_PRIVATE_EXPEDITED | MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED;
'''))
def sanitize_vptr_flag(compiler, flags):
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67258
if (not try_compile(compiler, flags=flags + ['-fsanitize=vptr'])
or (try_compile_and_run(compiler, flags=flags + ['-fsanitize=undefined', '-fno-sanitize-recover'],
env={'UBSAN_OPTIONS': 'exitcode=1'}, source=textwrap.dedent('''
struct A
{
virtual ~A() {}
};
struct B : virtual A {};
struct C : virtual A {};
struct D : B, virtual C {};
int main()
{
D d;
}
'''))
and False)): # -fsanitize=vptr is broken even when the test above passes
return ''
else:
print('Notice: -fsanitize=vptr is broken, disabling; some debug mode tests are bypassed.')
return '-fno-sanitize=vptr'
def adjust_visibility_flags(compiler, flags):
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80947
flags = flags + ['-fvisibility=hidden', '-std=gnu++1y', '-Werror=attributes']
if not try_compile(compiler, flags=flags, source=textwrap.dedent('''
template <class T>
class MyClass {
public:
MyClass() {
auto outer = [this] ()
{
auto fn = [this] { };
//use fn for something here
};
}
};
int main() {
MyClass<int> r;
}
''')):
print('Notice: disabling -Wattributes due to https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80947')
return '-Wno-attributes'
else:
return ''
def configure_fmt(mode, cxx='g++', cc='gcc'):
builddir = 'build/{}/fmt'.format(mode)
os.makedirs(builddir, exist_ok=True)
subprocess.check_output(args=['cmake', '-G', 'Ninja', '../../../fmt', '-DCMAKE_CXX_COMPILER=' + cxx, '-DCMAKE_C_COMPILER=' + cc], cwd=builddir)
modes = {
'debug': {
'sanitize': '-fsanitize=address -fsanitize=leak -fsanitize=undefined',
'sanitize_libs': '-lasan -lubsan',
'opt': '-O0 -DSEASTAR_DEBUG -DSEASTAR_DEBUG_SHARED_PTR -DSEASTAR_DEFAULT_ALLOCATOR -DSEASTAR_THREAD_STACK_GUARDS -DSEASTAR_NO_EXCEPTION_HACK -DSEASTAR_SHUFFLE_TASK_QUEUE',
'libs': '',
'cares_opts': '-DCARES_STATIC=ON -DCARES_SHARED=OFF -DCMAKE_BUILD_TYPE=Debug',
},
'release': {
'sanitize': '',
'sanitize_libs': '',
'opt': '-O2',
'libs': '',
'cares_opts': '-DCARES_STATIC=ON -DCARES_SHARED=OFF -DCMAKE_BUILD_TYPE=Release',
},
}
perf_tests = [
'tests/perf/perf_future_util',
]
tests = [
'tests/fileiotest',
'tests/directory_test',
'tests/linecount',
'tests/echotest',
'tests/l3_test',
'tests/ip_test',
'tests/timertest',
'tests/tcp_test',
'tests/futures_test',
'tests/alloc_test',
'tests/foreign_ptr_test',
'tests/smp_test',
'tests/thread_test',
'tests/thread_context_switch',
'tests/udp_server',
'tests/udp_client',
'tests/blkdiscard_test',
'tests/sstring_test',
'tests/unwind_test',
'tests/defer_test',
'tests/httpd',
'tests/memcached/test_ascii_parser',
'tests/tcp_sctp_server',
'tests/tcp_sctp_client',
'tests/allocator_test',
'tests/output_stream_test',
'tests/udp_zero_copy',
'tests/shared_ptr_test',
'tests/weak_ptr_test',
'tests/checked_ptr_test',
'tests/slab_test',
'tests/fstream_test',
'tests/distributed_test',
'tests/rpc',
'tests/semaphore_test',
'tests/expiring_fifo_test',
'tests/packet_test',
'tests/tls_test',
'tests/fair_queue_test',
'tests/rpc_test',
'tests/connect_test',
'tests/chunked_fifo_test',
'tests/circular_buffer_test',
'tests/perf/perf_fstream',
'tests/json_formatter_test',
'tests/dns_test',
'tests/execution_stage_test',
'tests/lowres_clock_test',
'tests/program_options_test',
'tests/tuple_utils_test',
'tests/tls_echo_server',
'tests/tls_simple_client',
'tests/circular_buffer_fixed_capacity_test',
'tests/noncopyable_function_test',
'tests/netconfig_test',
'tests/abort_source_test',
'tests/alien_test',
] + perf_tests
apps = [
'apps/httpd/httpd',
'apps/seawreck/seawreck',
'apps/io_tester/io_tester',
'apps/memcached/memcached',
'apps/iotune/iotune',
'tests/scheduling_group_demo',
]
extralibs = {
'apps/io_tester/io_tester': [ '-lyaml-cpp' ]
}
all_artifacts = apps + tests + ['libseastar.a', 'seastar.pc', 'fmt/fmt/libfmt.a']
cpp_dialects = ['gnu++17', 'gnu++1z', 'gnu++14', 'gnu++1y']
try:
default_cpp_dialect = [x for x in cpp_dialects if dialect_supported(x, compiler='g++')][0]
except:
# if g++ is not available, fallback to something safe-ish
default_cpp_dialect='gnu++1y'
arg_parser = argparse.ArgumentParser('Configure seastar')
arg_parser.add_argument('--static', dest = 'static', action = 'store_const', default = '',
const = '-static',
help = 'Static link (useful for running on hosts outside the build environment')
arg_parser.add_argument('--pie', dest = 'pie', action = 'store_true',
help = 'Build position-independent executable (PIE)')
arg_parser.add_argument('--so', dest = 'so', action = 'store_true',
help = 'Build shared object (SO) instead of executable')
arg_parser.add_argument('--mode', action='store', choices=list(modes.keys()) + ['all'], default='all')
arg_parser.add_argument('--with', dest='artifacts', action='append', choices=all_artifacts, default=[])
arg_parser.add_argument('--cflags', action = 'store', dest = 'user_cflags', default = '',
help = 'Extra flags for the C++ compiler')
arg_parser.add_argument('--ldflags', action = 'store', dest = 'user_ldflags', default = '',
help = 'Extra flags for the linker')
arg_parser.add_argument('--optflags', action = 'store', dest = 'user_optflags', default = '',
help = 'Extra optimization flags for the release mode')
arg_parser.add_argument('--compiler', action = 'store', dest = 'cxx', default = 'g++',
help = 'C++ compiler path')
arg_parser.add_argument('--c-compiler', action='store', dest='cc', default='gcc',
help = 'C compiler path (for bundled libraries such as dpdk and c-ares)')
arg_parser.add_argument('--c++-dialect', action='store', dest='cpp_dialect', default=default_cpp_dialect,
help='C++ dialect to build with [default: %(default)s]')
arg_parser.add_argument('--with-osv', action = 'store', dest = 'with_osv', default = '',
help = 'Shortcut for compile for OSv')
arg_parser.add_argument('--enable-dpdk', action = 'store_true', dest = 'dpdk', default = False,
help = 'Enable dpdk (from included dpdk sources)')
arg_parser.add_argument('--dpdk-target', action = 'store', dest = 'dpdk_target', default = '',
help = 'Path to DPDK SDK target location (e.g. <DPDK SDK dir>/x86_64-native-linuxapp-gcc)')
arg_parser.add_argument('--debuginfo', action = 'store', dest = 'debuginfo', type = int, default = 1,
help = 'Enable(1)/disable(0)compiler debug information generation')
arg_parser.add_argument('--tests-debuginfo', action='store', dest='tests_debuginfo', type=int, default=0,
help='Enable(1)/disable(0)compiler debug information generation for tests')
arg_parser.add_argument('--static-stdc++', dest = 'staticcxx', action = 'store_true',
help = 'Link libgcc and libstdc++ statically')
arg_parser.add_argument('--static-boost', dest = 'staticboost', action = 'store_true',
help = 'Link with boost statically')
arg_parser.add_argument('--static-yaml-cpp', dest = 'staticyamlcpp', action = 'store_true',
help = 'Link libyaml-cpp statically')
add_tristate(arg_parser, name = 'hwloc', dest = 'hwloc', help = 'hwloc support')
arg_parser.add_argument('--enable-gcc6-concepts', dest='gcc6_concepts', action='store_true', default=False,
help='enable experimental support for C++ Concepts as implemented in GCC 6')
arg_parser.add_argument('--enable-alloc-failure-injector', dest='alloc_failure_injector', action='store_true', default=False,
help='enable allocation failure injection')
add_tristate(arg_parser, name = 'exception-scalability-workaround', dest='exception_workaround',
help='disabling override of dl_iterate_phdr symbol to workaround C++ exception scalability issues')
arg_parser.add_argument('--allocator-page-size', dest='allocator_page_size', type=int, help='override allocator page size')
arg_parser.add_argument('--protoc-compiler', action = 'store', dest='protoc', default='protoc',
help = 'Path to protoc compiler, the default is protoc')
args = arg_parser.parse_args()
libnet = [
'net/proxy.cc',
'net/virtio.cc',
'net/dpdk.cc',
'net/ip.cc',
'net/ethernet.cc',
'net/arp.cc',
'net/native-stack.cc',
'net/ip_checksum.cc',
'net/udp.cc',
'net/tcp.cc',
'net/dhcp.cc',
'net/tls.cc',
'net/dns.cc',
'net/config.cc',
]
core = [
'core/reactor.cc',
'core/alien.cc',
'core/systemwide_memory_barrier.cc',
'core/fstream.cc',
'core/posix.cc',
'core/memory.cc',
'core/resource.cc',
'core/scollectd.cc',
'core/metrics.cc',
'core/app-template.cc',
'core/thread.cc',
'core/dpdk_rte.cc',
'core/fsqual.cc',
'core/linux-aio.cc',
'util/conversions.cc',
'util/program-options.cc',
'util/log.cc',
'util/backtrace.cc',
'util/alloc_failure_injector.cc',
'net/packet.cc',
'net/posix-stack.cc',
'net/net.cc',
'net/stack.cc',
'net/inet_address.cc',
'rpc/rpc.cc',
'rpc/lz4_compressor.cc',
'core/exception_hacks.cc',
'core/future-util.cc',
]
protobuf = [
'proto/metrics2.proto',
]
prometheus = [
'core/prometheus.cc',
]
http = ['http/transformers.cc',
'http/json_path.cc',
'http/file_handler.cc',
'http/common.cc',
'http/routes.cc',
'json/json_elements.cc',
'json/formatter.cc',
'http/matcher.cc',
'http/mime_types.cc',
'http/httpd.cc',
'http/reply.cc',
'http/request_parser.rl',
'http/api_docs.cc',
]
boost_test_lib = [
'tests/test-utils.cc',
'tests/test_runner.cc',
]
def maybe_static(flag, libs):
if flag and not args.static:
libs = '-Wl,-Bstatic {} -Wl,-Bdynamic'.format(libs)
return libs
defines = []
# Include -lgcc_s before -lunwind to work around for https://savannah.nongnu.org/bugs/?48486. See https://github.com/scylladb/scylla/issues/1725.
libs = ' '.join([maybe_static(args.staticboost,
'-lboost_program_options -lboost_system -lboost_filesystem'),
'-lstdc++ -lm', '-lstdc++fs',
maybe_static(args.staticboost, '-lboost_thread'),
'-lcryptopp -lrt -lgnutls -lgnutlsxx -llz4 -lprotobuf -ldl -lgcc_s -lunwind ',
maybe_static(args.staticyamlcpp, '-lyaml-cpp'),
])
boost_unit_test_lib = maybe_static(args.staticboost, '-lboost_unit_test_framework')
hwloc_libs = '-lhwloc -lnuma -lpciaccess -lxml2 -lz'
if args.gcc6_concepts:
defines.append('SEASTAR_HAVE_GCC6_CONCEPTS')
args.user_cflags += ' -fconcepts'
if args.alloc_failure_injector:
defines.append('SEASTAR_ENABLE_ALLOC_FAILURE_INJECTION')
if not apply_tristate(args.exception_workaround, test = lambda: not args.staticcxx and not args.static,
note = "Note: disabling exception scalability workaround due to static linkage of libgcc and libstdc++",
missing = "Error: cannot enable exception scalability workaround with static linkage of libgcc and libstdc++"):
defines.append('SEASTAR_NO_EXCEPTION_HACK')
if args.staticcxx:
libs = libs.replace('-lstdc++', '')
libs += ' -static-libgcc -static-libstdc++'
if args.staticcxx or args.static:
defines.append("NO_EXCEPTION_INTERCEPT");
memcache_base = [
'apps/memcached/ascii.rl'
] + libnet + core
deps = {
'libseastar.a' : core + libnet + http + protobuf + prometheus,
'seastar.pc': [],
'fmt/fmt/libfmt.a': [],
'apps/httpd/httpd': ['apps/httpd/demo.json', 'apps/httpd/main.cc'] + http + libnet + core,
'apps/memcached/memcached': ['apps/memcached/memcache.cc'] + memcache_base,
'tests/memcached/test_ascii_parser': ['tests/memcached/test_ascii_parser.cc'] + memcache_base,
'tests/fileiotest': ['tests/fileiotest.cc'] + core,
'tests/directory_test': ['tests/directory_test.cc'] + core,
'tests/linecount': ['tests/linecount.cc'] + core,
'tests/echotest': ['tests/echotest.cc'] + core + libnet,
'tests/l3_test': ['tests/l3_test.cc'] + core + libnet,
'tests/ip_test': ['tests/ip_test.cc'] + core + libnet,
'tests/tcp_test': ['tests/tcp_test.cc'] + core + libnet,
'tests/timertest': ['tests/timertest.cc'] + core,
'tests/futures_test': ['tests/futures_test.cc'] + core,
'tests/alloc_test': ['tests/alloc_test.cc'] + core,
'tests/foreign_ptr_test': ['tests/foreign_ptr_test.cc'] + core,
'tests/semaphore_test': ['tests/semaphore_test.cc'] + core,
'tests/expiring_fifo_test': ['tests/expiring_fifo_test.cc'] + core,
'tests/smp_test': ['tests/smp_test.cc'] + core,
'tests/thread_test': ['tests/thread_test.cc'] + core,
'tests/thread_context_switch': ['tests/thread_context_switch.cc'] + core,
'tests/udp_server': ['tests/udp_server.cc'] + core + libnet,
'tests/udp_client': ['tests/udp_client.cc'] + core + libnet,
'tests/tcp_sctp_server': ['tests/tcp_sctp_server.cc'] + core + libnet,
'tests/tcp_sctp_client': ['tests/tcp_sctp_client.cc'] + core + libnet,
'tests/tls_test': ['tests/tls_test.cc'] + core + libnet,
'tests/fair_queue_test': ['tests/fair_queue_test.cc'] + core,
'apps/seawreck/seawreck': ['apps/seawreck/seawreck.cc', 'http/http_response_parser.rl'] + core + libnet,
'apps/io_tester/io_tester': ['apps/io_tester/io_tester.cc'] + core,
'apps/iotune/iotune': ['apps/iotune/iotune2.cc'] + core,
'tests/blkdiscard_test': ['tests/blkdiscard_test.cc'] + core,
'tests/sstring_test': ['tests/sstring_test.cc'] + core,
'tests/unwind_test': ['tests/unwind_test.cc'] + core,
'tests/defer_test': ['tests/defer_test.cc'] + core,
'tests/httpd': ['tests/httpd.cc'] + http + core,
'tests/allocator_test': ['tests/allocator_test.cc'] + core,
'tests/output_stream_test': ['tests/output_stream_test.cc'] + core + libnet,
'tests/udp_zero_copy': ['tests/udp_zero_copy.cc'] + core + libnet,
'tests/shared_ptr_test': ['tests/shared_ptr_test.cc'] + core,
'tests/weak_ptr_test': ['tests/weak_ptr_test.cc'] + core,
'tests/checked_ptr_test': ['tests/checked_ptr_test.cc'] + core,
'tests/slab_test': ['tests/slab_test.cc'] + core,
'tests/fstream_test': ['tests/fstream_test.cc'] + core,
'tests/distributed_test': ['tests/distributed_test.cc'] + core,
'tests/rpc': ['tests/rpc.cc'] + core + libnet,
'tests/rpc_test': ['tests/rpc_test.cc'] + core + libnet,
'tests/packet_test': ['tests/packet_test.cc'] + core + libnet,
'tests/connect_test': ['tests/connect_test.cc'] + core + libnet,
'tests/chunked_fifo_test': ['tests/chunked_fifo_test.cc'] + core,
'tests/circular_buffer_test': ['tests/circular_buffer_test.cc'] + core,
'tests/perf/perf_fstream': ['tests/perf/perf_fstream.cc'] + core,
'tests/json_formatter_test': ['tests/json_formatter_test.cc'] + core + http,
'tests/dns_test': ['tests/dns_test.cc'] + core + libnet,
'tests/execution_stage_test': ['tests/execution_stage_test.cc'] + core,
'tests/lowres_clock_test': ['tests/lowres_clock_test.cc'] + core,
'tests/program_options_test': ['tests/program_options_test.cc'] + core,
'tests/tuple_utils_test': ['tests/tuple_utils_test.cc'],
'tests/tls_echo_server': ['tests/tls_echo_server.cc'] + core + libnet,
'tests/tls_simple_client': ['tests/tls_simple_client.cc'] + core + libnet,
'tests/circular_buffer_fixed_capacity_test': ['tests/circular_buffer_fixed_capacity_test.cc'],
'tests/scheduling_group_demo': ['tests/scheduling_group_demo.cc'] + core,
'tests/noncopyable_function_test': ['tests/noncopyable_function_test.cc'],
'tests/netconfig_test': ['tests/netconfig_test.cc'] + core + libnet,
'tests/abort_source_test': ['tests/abort_source_test.cc'] + core,
'tests/alien_test': ['tests/alien_test.cc'] + core,
}
boost_tests = [
'tests/memcached/test_ascii_parser',
'tests/fileiotest',
'tests/futures_test',
'tests/alloc_test',
'tests/foreign_ptr_test',
'tests/semaphore_test',
'tests/expiring_fifo_test',
'tests/thread_test',
'tests/tls_test',
'tests/fair_queue_test',
'tests/httpd',
'tests/output_stream_test',
'tests/fstream_test',
'tests/rpc_test',
'tests/connect_test',
'tests/json_formatter_test',
'tests/dns_test',
'tests/execution_stage_test',
'tests/lowres_clock_test',
'tests/abort_source_test',
]
for bt in boost_tests:
deps[bt] += boost_test_lib
for pt in perf_tests:
deps[pt] = [pt + '.cc'] + core + ['tests/perf/perf_tests.cc']
warnings = [
'-Wno-mismatched-tags', # clang-only
'-Wno-pessimizing-move', # clang-only: moving a temporary object prevents copy elision
'-Wno-redundant-move', # clang-only: redundant move in return statement
'-Wno-inconsistent-missing-override', # clang-only: 'x' overrides a member function but is not marked 'override'
'-Wno-unused-private-field', # clang-only: private field 'x' is not used
'-Wno-unknown-attributes', # clang-only: unknown attribute 'x' ignored (x in this case is gnu::externally_visible)
'-Wno-unneeded-internal-declaration', # clang-only: 'x' function 'x' declared in header file shouldb e declared 'x'
'-Wno-undefined-inline', # clang-only: inline function 'x' is not defined
'-Wno-overloaded-virtual', # clang-only: 'x' hides overloaded virtual functions
'-Wno-maybe-uninitialized',
'-Wno-error=cpp', # gcc: allow preprecessor warnings
'-Wno-error=#warning', # clang: allow preprecessor warnings
'-Wno-stringop-overflow', # gcc: overzealous, false positives
'-Wnon-virtual-dtor', # gcc: warn if virtual dtor not defined when it has to be
]
# The "--with-osv=<path>" parameter is a shortcut for a bunch of other
# settings:
if args.with_osv:
args.so = True
args.hwloc = False
args.user_cflags = (args.user_cflags +
' -DSEASTAR_DEFAULT_ALLOCATOR -fvisibility=default -DHAVE_OSV -I' +
args.with_osv + ' -I' + args.with_osv + '/include -I' +
args.with_osv + '/arch/x64')
if args.allocator_page_size:
args.user_cflags += ' -DSEASTAR_OVERRIDE_ALLOCATOR_PAGE_SIZE=' + str(args.allocator_page_size)
dpdk_arch_xlat = {
'native': 'native',
'nehalem': 'nhm',
'westmere': 'wsm',
'sandybridge': 'snb',
'ivybridge': 'ivb',
}
dpdk_machine = 'native'
if args.dpdk:
if not os.path.exists('dpdk') or not os.listdir('dpdk'):
raise Exception('--enable-dpdk: dpdk/ is empty. Run "git submodule update --init".')
cflags = args.user_cflags.split()
dpdk_machine = ([dpdk_arch_xlat[cflag[7:]]
for cflag in cflags
if cflag.startswith('-march')] or ['native'])[0]
subprocess.check_call('make -C dpdk RTE_OUTPUT=$PWD/build/dpdk/ config T=x86_64-native-linuxapp-gcc'.format(
dpdk_machine=dpdk_machine),
shell = True)
# adjust configutation to taste
dotconfig = 'build/dpdk/.config'
lines = open(dotconfig, encoding='UTF-8').readlines()
def update(lines, vars):
ret = []
for line in lines:
for var, val in vars.items():
if line.startswith(var + '='):
line = var + '=' + val + '\n'
ret.append(line)
return ret
lines = update(lines, {'CONFIG_RTE_LIBRTE_PMD_BOND': 'n',
'CONFIG_RTE_MBUF_SCATTER_GATHER': 'n',
'CONFIG_RTE_LIBRTE_IP_FRAG': 'n',
'CONFIG_RTE_APP_TEST': 'n',
'CONFIG_RTE_TEST_PMD': 'n',
'CONFIG_RTE_MBUF_REFCNT_ATOMIC': 'n',
'CONFIG_RTE_MAX_MEMSEG': '8192',
'CONFIG_RTE_EAL_IGB_UIO': 'n',
'CONFIG_RTE_LIBRTE_KNI': 'n',
'CONFIG_RTE_KNI_KMOD': 'n',
'CONFIG_RTE_LIBRTE_JOBSTATS': 'n',
'CONFIG_RTE_LIBRTE_LPM': 'n',
'CONFIG_RTE_LIBRTE_ACL': 'n',
'CONFIG_RTE_LIBRTE_POWER': 'n',
'CONFIG_RTE_LIBRTE_IP_FRAG': 'n',
'CONFIG_RTE_LIBRTE_METER': 'n',
'CONFIG_RTE_LIBRTE_SCHED': 'n',
'CONFIG_RTE_LIBRTE_DISTRIBUTOR': 'n',
'CONFIG_RTE_LIBRTE_PMD_CRYPTO_SCHEDULER': 'n',
'CONFIG_RTE_LIBRTE_REORDER': 'n',
'CONFIG_RTE_LIBRTE_PORT': 'n',
'CONFIG_RTE_LIBRTE_TABLE': 'n',
'CONFIG_RTE_LIBRTE_PIPELINE': 'n',
})
lines += 'CONFIG_RTE_MACHINE={}'.format(dpdk_machine)
open(dotconfig, 'w', encoding='UTF-8').writelines(lines)
args.dpdk_target = os.getcwd() + '/build/dpdk'
if args.dpdk_target:
args.user_cflags = (args.user_cflags +
' -DSEASTAR_HAVE_DPDK -I' + args.dpdk_target + '/include ' +
dpdk_cflags(args.dpdk_target) +
' -Wno-error=literal-suffix -Wno-literal-suffix -Wno-invalid-offsetof')
libs += (' -L' + args.dpdk_target + '/lib ')
if args.with_osv:
libs += '-lintel_dpdk -lrt -lm -ldl'
else:
libs += '-Wl,--whole-archive -lrte_pmd_vmxnet3_uio -lrte_pmd_i40e -lrte_pmd_ixgbe -lrte_pmd_e1000 -lrte_pmd_ring -lrte_pmd_bnxt -lrte_pmd_cxgbe -lrte_pmd_ena -lrte_pmd_enic -lrte_pmd_fm10k -lrte_pmd_nfp -lrte_pmd_qede -lrte_pmd_sfc_efx -lrte_hash -lrte_kvargs -lrte_mbuf -lrte_ethdev -lrte_eal -lrte_mempool -lrte_mempool_ring -lrte_ring -lrte_cmdline -lrte_cfgfile -Wl,--no-whole-archive -lrt -lm -ldl'
args.user_cflags += ' -I{srcdir}/fmt'.format(**globals())
if not args.staticboost:
args.user_cflags += ' -DBOOST_TEST_DYN_LINK'
warnings = [w
for w in warnings
if warning_supported(warning = w, compiler = args.cxx, flags=args.user_cflags.split())]
warnings = ' '.join(warnings)
dbgflag = debug_flag(args.cxx, flags=args.user_cflags.split()) if args.debuginfo else ''
tests_link_rule = 'link' if args.tests_debuginfo else 'link_stripped'
sanitize_flags = sanitize_vptr_flag(args.cxx, flags=args.user_cflags.split())
visibility_flags = adjust_visibility_flags(args.cxx, flags=args.user_cflags.split())
if not try_compile(args.cxx, source='#include <gnutls/gnutls.h>', flags=args.user_cflags.split()):
print('Seastar requires gnutls. Install gnutls-devel/libgnutls-dev')
sys.exit(1)
if not try_compile(args.cxx, source='#include <gnutls/gnutls.h>\nint x = GNUTLS_NONBLOCK;', flags=args.user_cflags.split()):
print('Seastar requires gnutls >= 2.8. Install libgnutls28-dev or later.')
sys.exit(1)
if not try_compile(args.cxx, source='#include <experimental/string_view>', flags=['-std=gnu++1y'] + args.user_cflags.split()):
print('Seastar requires g++ >= 4.9. Install g++-4.9 or later (use --compiler option).')
sys.exit(1)
if not try_compile(args.cxx, '''#include <boost/version.hpp>\n\
#if BOOST_VERSION < 105800\n\
#error "Invalid boost version"\n\
#endif''', flags=args.user_cflags.split()):
print("Seastar requires boost >= 1.58")
sys.exit(1)
modes['debug']['sanitize'] += ' ' + sanitize_flags
modes['release']['opt'] += ' ' + args.user_optflags
def have_hwloc():
return try_compile(compiler = args.cxx, source = '#include <hwloc.h>\n#include <numa.h>', flags=args.user_cflags.split())
if apply_tristate(args.hwloc, test = have_hwloc,
note = 'Note: hwloc-devel/numactl-devel not installed. No NUMA support.',
missing = 'Error: required packages hwloc-devel/numactl-devel not installed.'):
libs += ' ' + hwloc_libs
defines.append('SEASTAR_HAVE_HWLOC')
defines.append('SEASTAR_HAVE_NUMA')
if detect_membarrier(compiler=args.cxx, flags=args.user_cflags.split()):
defines.append('SEASTAR_HAS_MEMBARRIER')
if try_compile(args.cxx, source = textwrap.dedent('''\
#include <lz4.h>
void m() {
LZ4_compress_default(static_cast<const char*>(0), static_cast<char*>(0), 0, 0);
}
'''), flags=args.user_cflags.split()):
defines.append("SEASTAR_HAVE_LZ4_COMPRESS_DEFAULT")
if try_compile_and_link(args.cxx, flags=['-fsanitize=address'] + args.user_cflags.split(), source = textwrap.dedent('''\
#include <cstddef>
extern "C" {
void __sanitizer_start_switch_fiber(void**, const void*, size_t);
void __sanitizer_finish_switch_fiber(void*, const void**, size_t*);
}
int main() {
__sanitizer_start_switch_fiber(nullptr, nullptr, 0);
__sanitizer_finish_switch_fiber(nullptr, nullptr, nullptr);
}
''')):
defines.append("SEASTAR_HAVE_ASAN_FIBER_SUPPORT")
if args.so:
args.pie = '-shared'
args.fpie = '-fpic'
elif args.pie:
args.pie = '-pie'
args.fpie = '-fpie'
else:
args.pie = ''
args.fpie = ''
defines = ' '.join(['-D' + d for d in defines])
globals().update(vars(args))
total_memory = os.sysconf('SC_PAGE_SIZE') * os.sysconf('SC_PHYS_PAGES')
link_pool_depth = max(int(total_memory / 7e9), 1)
build_modes = modes if args.mode == 'all' else [args.mode]
build_artifacts = all_artifacts if not args.artifacts else args.artifacts
protoc = args.protoc
dpdk_sources = []
if args.dpdk:
for root, dirs, files in os.walk('dpdk'):
dpdk_sources += [os.path.join(root, file)
for file in files
if file.endswith('.h') or file.endswith('.c')]
dpdk_sources = ' '.join(dpdk_sources)
# both source and builddir location
cares_dir = 'c-ares'
cares_lib = 'cares-seastar'
cares_src_lib = cares_dir + '/lib/libcares.a'
if not os.path.exists(cares_dir) or not os.listdir(cares_dir):
raise Exception(cares_dir + ' is empty. Run "git submodule update --init".')
cares_sources = []
for root, dirs, files in os.walk('c-ares'):
cares_sources += [os.path.join(root, file)
for file in files
if file.endswith('.h') or file.endswith('.c')]
cares_sources = ' '.join(cares_sources)
libs += ' -l' + cares_lib
# "libs" contains mostly pre-existing libraries, but if we want to add to
# it a library which we built here, we need to ensure that this library
# gets built before actually using "libs". So let's make a list "built_libs"
# of libraries which are targets built here. These libraries are all relative
# to the current mode's build directory.
built_libs = []
built_libs += ['lib' + cares_lib + '.a']
built_libs += ['fmt/fmt/libfmt.a']
for mode in build_modes:
configure_fmt(mode, cxx=args.cxx, cc=args.cc)
libs += ' -lfmt'
fmt_deps = []
for dirpath, dirnames, filenames in os.walk('fmt'):
fmt_deps += [os.path.join(dirpath, filename) for filename in filenames]
fmt_deps = ' '.join(fmt_deps)
outdir = 'build'
buildfile = 'build.ninja'
os.makedirs(outdir, exist_ok = True)
do_sanitize = True
if args.static:
do_sanitize = False
with open(buildfile, 'w') as f:
dpdk_deps = ''
if args.dpdk:
# fake dependencies on dpdk, so that it is built before anything else
dpdk_deps = ' {dpdk_target}/include/rte_eal.h {dpdk_target}/lib/librte_eal.a'.format(dpdk_target=args.dpdk_target)
f.write(textwrap.dedent('''\
configure_args = {configure_args}
builddir = {outdir}
full_builddir = {srcdir}/$builddir
cxx = {cxx}
# we disable _FORTIFY_SOURCE because it generates false positives with longjmp() (core/thread.cc)
cxxflags = -std={cpp_dialect} {dbgflag} {fpie} -Wall -Werror -Wno-error=deprecated-declarations -fvisibility=hidden {visibility_flags} -pthread -I{srcdir} -U_FORTIFY_SOURCE {user_cflags} {warnings} {defines}
ldflags = {dbgflag} -Wl,--no-as-needed {static} {pie} -fvisibility=hidden {visibility_flags} -pthread {user_ldflags}
libs = {libs}
pool link_pool
depth = {link_pool_depth}
rule ragel
# sed away a bug in ragel 7 that emits some extraneous _nfa* variables
# (the $$ is collapsed to a single one by ninja)
command = ragel -G2 -o $out $in && sed -i -e '1h;2,$$H;$$!d;g' -re 's/static const char _nfa[^;]*;//g' $out
description = RAGEL $out
rule gen
command = /bin/echo -e $text > $out
description = GEN $out
rule swagger
command = json/json2code.py -f $in -o $out
description = SWAGGER $out
rule protobuf
command = {protoc} --cpp_out=$outdir $in
description = PROTOC $out
rule copy_file
command = cp $in $out
rule ninja
command = {ninja_exe} -C $subdir
''').format(**globals()))
if args.dpdk:
f.write(textwrap.dedent('''\
rule dpdkmake
command = make -C build/dpdk CC={args.cc}
build {dpdk_deps} : dpdkmake {dpdk_sources}
''').format(**globals()))
for mode in build_modes:
objdeps = {}
modeval = modes[mode]
if modeval['sanitize'] and not do_sanitize:
print('Note: --static disables debug mode sanitizers')
modeval['sanitize'] = ''
modeval['sanitize_libs'] = ''
elif modeval['sanitize']:
modeval['sanitize'] += ' -DSEASTAR_ASAN_ENABLED'
f.write(textwrap.dedent('''\
cxxflags_{mode} = {sanitize} {opt} -I$full_builddir/{mode}/gen -I$full_builddir/{mode}/c-ares
libs_{mode} = {sanitize_libs} {libs}
rule cxx.{mode}
command = $cxx -MD -MT $out -MF $out.d $cxxflags_{mode} $cxxflags -c -o $out $in
description = CXX $out
depfile = $out.d
rule link.{mode}
command = $cxx $cxxflags_{mode} -L$builddir/{mode} -L$builddir/{mode}/fmt/fmt $ldflags -o $out $in $libs $libs_{mode} $extralibs
description = LINK $out
pool = link_pool
rule link_stripped.{mode}
command = $cxx $cxxflags_{mode} -s -L$builddir/{mode} -L$builddir/{mode}/fmt/fmt $ldflags -o $out $in $libs $libs_{mode} $extralibs
description = LINK (stripped) $out
pool = link_pool
rule ar.{mode}
command = rm -f $out; ar cr $out $in; ranlib $out
description = AR $out
''').format(mode = mode, **modeval))
f.write('build {mode}: phony $builddir/{mode}/lib{cares_lib}.a {artifacts}\n'.format(mode = mode, cares_lib=cares_lib,
artifacts = str.join(' ', ('$builddir/' + mode + '/' + x for x in build_artifacts))))
f.write(textwrap.dedent('''\
rule caresmake_{mode}
command = make -C build/{mode}/{cares_dir} CC={args.cc}
rule carescmake_{mode}
command = mkdir -p $builddir/{mode}/{cares_dir} && cd $builddir/{mode}/{cares_dir} && CC={args.cc} cmake {cares_opts} {srcdir}/$in
build $builddir/{mode}/{cares_dir}/Makefile : carescmake_{mode} {cares_dir}
build $builddir/{mode}/{cares_dir}/ares_build.h : phony $builddir/{mode}/{cares_dir}/Makefile
build $builddir/{mode}/{cares_src_lib} : caresmake_{mode} $builddir/{mode}/{cares_dir}/Makefile | {cares_sources}
build $builddir/{mode}/lib{cares_lib}.a : copy_file $builddir/{mode}/{cares_src_lib}
''').format(cares_opts=(modeval['cares_opts']), **globals()))
objdeps['$builddir/' + mode + '/net/dns.o'] = ' $builddir/' + mode + '/' + cares_dir + '/ares_build.h'
compiles = {}
ragels = {}
swaggers = {}
protobufs = {}
for binary in build_artifacts:
srcs = deps[binary]
objs = ['$builddir/' + mode + '/' + src.replace('.cc', '.o')
for src in srcs
if src.endswith('.cc')]
objs += ['$builddir/' + mode + '/gen/' + src.replace('.proto', '.pb.o')
for src in srcs
if src.endswith('.proto')]
if binary.endswith('.pc'):
vars = modeval.copy()
vars.update(globals())
pc = textwrap.dedent('''\
Name: Seastar
URL: http://seastar-project.org/
Description: Advanced C++ framework for high-performance server applications on modern hardware.
Version: 1.0
Libs: -L$full_builddir/{mode} -L$full_builddir/{mode}/fmt/fmt -Wl,--whole-archive,-lseastar,--no-whole-archive -lfmt $cxxflags $cxflags_{mode} -Wl,--no-as-needed {static} {pie} {user_ldflags} {sanitize_libs} {libs}
Cflags: $cxxflags $cxxflags_{mode}
''').format(**vars)
f.write('build $builddir/{}/{}: gen\n text = {}\n'.format(mode, binary, repr(pc)))
elif binary == 'fmt/fmt/libfmt.a':
f.write('build $builddir/{}/fmt/fmt//libfmt.a: ninja | {}\n'.format(mode, fmt_deps))
f.write(' subdir=build/{}/fmt\n'.format(mode))
elif binary.endswith('.a'):
f.write('build $builddir/{}/{}: ar.{} {}\n'.format(mode, binary, mode, str.join(' ', objs)))
else:
libdeps = str.join(' ', ('$builddir/{}/{}'.format(mode, i) for i in built_libs))
test_extralibs = [maybe_static(args.staticyamlcpp, '-lyaml-cpp')]
if binary.startswith('tests/'):
if binary in boost_tests:
test_extralibs += [maybe_static(args.staticboost, '-lboost_unit_test_framework')]
# Our code's debugging information is huge, and multiplied
# by many tests yields ridiculous amounts of disk space.
# So we strip the tests by default; The user can very
# quickly re-link the test unstripped by adding a "_g"
# to the test name, e.g., "ninja build/release/testname_g"
f.write('build $builddir/{}/{}: {}.{} {} | {} {}\n'.format(mode, binary, tests_link_rule, mode, str.join(' ', objs), dpdk_deps, libdeps))
f.write(' extralibs = {}\n'.format(' '.join(test_extralibs)))
f.write('build $builddir/{}/{}_g: link.{} {} | {} {}\n'.format(mode, binary, mode, str.join(' ', objs), dpdk_deps, libdeps))
f.write(' extralibs = {}\n'.format(' '.join(test_extralibs)))
else:
f.write('build $builddir/{}/{}: link.{} {} | {} {} $builddir/{}/lib{}.a $builddir/{}/fmt/fmt/libfmt.a\n'.format(mode, binary, mode, str.join(' ', objs), dpdk_deps, libdeps, mode, cares_lib, mode))
if binary in extralibs.keys():
app_extralibs = extralibs[binary]
f.write(' extralibs = {}\n'.format(' '.join(app_extralibs)))
for src in srcs:
if src.endswith('.cc'):
obj = '$builddir/' + mode + '/' + src.replace('.cc', '.o')
compiles[obj] = src
elif src.endswith('.proto'):
hh = '$builddir/' + mode + '/gen/' + src.replace('.proto', '.pb.h')
protobufs[hh] = src
compiles[hh.replace('.h', '.o')] = hh.replace('.h', '.cc')
elif src.endswith('.rl'):
hh = '$builddir/' + mode + '/gen/' + src.replace('.rl', '.hh')
ragels[hh] = src
elif src.endswith('.json'):
hh = '$builddir/' + mode + '/gen/' + src + '.hh'
swaggers[hh] = src
else:
raise Exception('No rule for ' + src)
for obj in compiles:
src = compiles[obj]
gen_headers = list(ragels.keys()) + list(swaggers.keys()) + list(protobufs.keys())
f.write('build {}: cxx.{} {} || {} \n'.format(obj, mode, src, ' '.join(gen_headers) + dpdk_deps + objdeps.get(obj, '')))
for hh in ragels:
src = ragels[hh]
f.write('build {}: ragel {}\n'.format(hh, src))
for hh in swaggers:
src = swaggers[hh]
f.write('build {}: swagger {} | json/json2code.py\n'.format(hh,src))
for pb in protobufs:
src = protobufs[pb]
c_pb = pb.replace('.h','.cc')
outd = os.path.dirname(os.path.dirname(pb))
f.write('build {} {}: protobuf {}\n outdir = {}\n'.format(c_pb, pb, src, outd))
f.write(textwrap.dedent('''\
rule configure