#!/usr/bin/python3 import os, os.path, textwrap, argparse, sys, shlex, subprocess, tempfile, re from distutils.spawn import find_executable configure_args = str.join(' ', [shlex.quote(x) for x in sys.argv[1:]]) 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 def pkg_config(option, package): output = subprocess.check_output(['pkg-config', option, package]) return output.decode('utf-8').strip() def try_compile(compiler, source = '', flags = []): with tempfile.NamedTemporaryFile() as sfile: sfile.file.write(bytes(source, 'utf-8')) sfile.file.flush() return subprocess.call([compiler, '-x', 'c++', '-o', '/dev/null', '-c', sfile.name] + flags, stdout = subprocess.DEVNULL, stderr = subprocess.DEVNULL) == 0 def warning_supported(warning, compiler): # gcc ignores -Wno-x even if it is not supported adjusted = re.sub('^-Wno-', '-W', warning) return try_compile(flags = [adjusted], compiler = compiler) def debug_flag(compiler): src_with_auto = textwrap.dedent('''\ template struct x { auto f() {} }; x a; ''') if try_compile(source = src_with_auto, flags = ['-g', '-std=gnu++1y'], compiler = compiler): return '-g' else: print('Note: debug information disabled; upgrade your compiler') return '' class Thrift(object): def __init__(self, source, service): self.source = source self.service = service def generated(self, gen_dir): basename = os.path.splitext(os.path.basename(self.source))[0] files = [basename + '_' + ext for ext in ['types.cpp', 'types.h', 'constants.cpp', 'constants.h']] files += [self.service + ext for ext in ['.cpp', '.h']] return [os.path.join(gen_dir, file) for file in files] def headers(self, gen_dir): return [x for x in self.generated(gen_dir) if x.endswith('.h')] def sources(self, gen_dir): return [x for x in self.generated(gen_dir) if x.endswith('.cpp')] def objects(self, gen_dir): return [x.replace('.cpp', '.o') for x in self.sources(gen_dir)] def endswith(self, end): return self.source.endswith(end) class Antlr3Grammar(object): def __init__(self, source): self.source = source def generated(self, gen_dir): basename = os.path.splitext(self.source)[0] files = [basename + ext for ext in ['Lexer.cpp', 'Lexer.hpp', 'Parser.cpp', 'Parser.hpp']] return [os.path.join(gen_dir, file) for file in files] def headers(self, gen_dir): return [x for x in self.generated(gen_dir) if x.endswith('.hpp')] def sources(self, gen_dir): return [x for x in self.generated(gen_dir) if x.endswith('.cpp')] def objects(self, gen_dir): return [x.replace('.cpp', '.o') for x in self.sources(gen_dir)] def endswith(self, end): return self.source.endswith(end) modes = { 'debug': { 'sanitize': '-fsanitize=address -fsanitize=leak -fsanitize=undefined', 'sanitize_libs': '-lubsan -lasan', 'opt': '-O0 -DDEBUG -DDEBUG_SHARED_PTR -DDEFAULT_ALLOCATOR', 'libs': '', }, 'release': { 'sanitize': '', 'sanitize_libs': '', 'opt': '-O2', 'libs': '', }, } urchin_tests = [ 'tests/urchin/mutation_test', 'tests/urchin/range_test', 'tests/urchin/types_test', 'tests/urchin/keys_test', 'tests/urchin/partitioner_test', 'tests/urchin/frozen_mutation_test', 'tests/perf/perf_mutation', 'tests/perf/perf_hash', 'tests/perf/perf_cql_parser', 'tests/perf/perf_simple_query', 'tests/urchin/cql_query_test', 'tests/urchin/storage_proxy_test', 'tests/urchin/mutation_reader_test', 'tests/urchin/mutation_query_test', 'tests/urchin/row_cache_test', 'tests/test-serialization', 'tests/urchin/sstable_test', 'tests/urchin/sstable_mutation_test', 'tests/urchin/memtable_test', 'tests/urchin/commitlog_test', 'tests/cartesian_product_test', 'tests/urchin/hash_test', 'tests/urchin/serializer_test', 'tests/urchin/map_difference_test', 'tests/urchin/message', 'tests/urchin/gossip', 'tests/urchin/gossip_test', 'tests/urchin/compound_test', 'tests/urchin/config_test', 'tests/urchin/gossiping_property_file_snitch_test', 'tests/urchin/network_topology_strategy_test', 'tests/urchin/query_processor_test', 'tests/urchin/batchlog_manager_test', 'tests/urchin/bytes_ostream_test', 'tests/urchin/UUID_test', 'tests/urchin/murmur_hash_test', ] apps = [ 'scylla', ] tests = urchin_tests all_artifacts = apps + tests 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('--compiler', action = 'store', dest = 'cxx', default = 'g++', help = 'C++ compiler path') 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 seastar dpdk sources)') arg_parser.add_argument('--dpdk-target', action = 'store', dest = 'dpdk_target', default = '', help = 'Path to DPDK SDK target location (e.g. /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') add_tristate(arg_parser, name = 'hwloc', dest = 'hwloc', help = 'hwloc support') add_tristate(arg_parser, name = 'xen', dest = 'xen', help = 'Xen support') args = arg_parser.parse_args() defines = [] urchin_libs = '-llz4 -lsnappy -lz -lboost_thread -lcryptopp -lrt -lyaml-cpp -lboost_date_time' cassandra_interface = Thrift(source = 'interface/cassandra.thrift', service = 'Cassandra') urchin_core = (['database.cc', 'schema.cc', 'bytes.cc', 'mutation.cc', 'row_cache.cc', 'frozen_mutation.cc', 'memtable.cc', 'mutation_partition.cc', 'mutation_partition_view.cc', 'mutation_partition_serializer.cc', 'mutation_reader.cc', 'mutation_query.cc', 'keys.cc', 'sstables/sstables.cc', 'sstables/compress.cc', 'sstables/row.cc', 'sstables/key.cc', 'sstables/partition.cc', 'sstables/filter.cc', 'sstables/compaction.cc', 'log.cc', 'transport/server.cc', 'cql3/abstract_marker.cc', 'cql3/attributes.cc', 'cql3/cf_name.cc', 'cql3/cql3_type.cc', 'cql3/operation.cc', 'cql3/index_name.cc', 'cql3/keyspace_element_name.cc', 'cql3/lists.cc', 'cql3/sets.cc', 'cql3/maps.cc', 'cql3/functions/functions.cc', 'cql3/statements/cf_prop_defs.cc', 'cql3/statements/create_table_statement.cc', 'cql3/statements/drop_keyspace_statement.cc', 'cql3/statements/drop_table_statement.cc', 'cql3/statements/schema_altering_statement.cc', 'cql3/statements/modification_statement.cc', 'cql3/statements/update_statement.cc', 'cql3/statements/delete_statement.cc', 'cql3/statements/batch_statement.cc', 'cql3/statements/select_statement.cc', 'cql3/statements/use_statement.cc', 'cql3/statements/index_prop_defs.cc', 'cql3/statements/index_target.cc', 'cql3/statements/create_index_statement.cc', 'cql3/update_parameters.cc', 'cql3/ut_name.cc', 'thrift/handler.cc', 'thrift/server.cc', 'thrift/thrift_validation.cc', 'utils/runtime.cc', 'utils/murmur_hash.cc', 'utils/uuid.cc', 'types.cc', 'validation.cc', 'service/migration_manager.cc', 'service/storage_proxy.cc', 'cql3/operator.cc', 'cql3/relation.cc', 'cql3/column_identifier.cc', 'cql3/constants.cc', 'cql3/query_processor.cc', 'cql3/query_options.cc', 'cql3/single_column_relation.cc', 'cql3/token_relation.cc', 'cql3/column_condition.cc', 'cql3/untyped_result_set.cc', 'cql3/selection/abstract_function_selector.cc', 'cql3/selection/simple_selector.cc', 'cql3/selection/selectable.cc', 'cql3/selection/selector_factories.cc', 'cql3/selection/selection.cc', 'cql3/selection/selector.cc', 'cql3/restrictions/statement_restrictions.cc', 'db/consistency_level.cc', 'db/system_keyspace.cc', 'db/legacy_schema_tables.cc', 'db/commitlog/commitlog.cc', 'db/serializer.cc', 'db/config.cc', 'db/index/secondary_index.cc', 'db/marshal/type_parser.cc', 'db/batchlog_manager.cc', 'io/io.cc', 'utils/utils.cc', 'utils/UUID_gen.cc', 'utils/i_filter.cc', 'utils/bloom_filter.cc', 'utils/bloom_calculations.cc', 'utils/rate_limiter.cc', 'gms/version_generator.cc', 'gms/versioned_value.cc', 'gms/gossiper.cc', 'gms/failure_detector.cc', 'gms/gossip_digest_syn.cc', 'gms/gossip_digest_ack.cc', 'gms/gossip_digest_ack2.cc', 'gms/endpoint_state.cc', 'dht/i_partitioner.cc', 'dht/murmur3_partitioner.cc', 'dht/byte_ordered_partitioner.cc', 'unimplemented.cc', 'query.cc', 'query-result-set.cc', 'locator/abstract_replication_strategy.cc', 'locator/simple_strategy.cc', 'locator/local_strategy.cc', 'locator/network_topology_strategy.cc', 'locator/token_metadata.cc', 'locator/locator.cc', 'locator/snitch_base.cc', 'locator/simple_snitch.cc', 'locator/rack_inferring_snitch.cc', 'locator/gossiping_property_file_snitch.cc', 'message/messaging_service.cc', 'service/migration_task.cc', 'service/storage_service.cc', 'streaming/streaming.cc', 'streaming/stream_task.cc', 'streaming/stream_session.cc', 'streaming/stream_request.cc', 'streaming/stream_summary.cc', 'streaming/stream_transfer_task.cc', 'streaming/stream_receive_task.cc', 'streaming/stream_plan.cc', 'streaming/progress_info.cc', 'streaming/session_info.cc', 'streaming/stream_coordinator.cc', 'streaming/stream_manager.cc', 'streaming/stream_result_future.cc', 'streaming/messages/stream_init_message.cc', 'streaming/messages/retry_message.cc', 'streaming/messages/received_message.cc', 'streaming/messages/prepare_message.cc', 'streaming/messages/file_message_header.cc', 'streaming/messages/outgoing_file_message.cc', 'streaming/messages/incoming_file_message.cc', 'gc_clock.cc', 'partition_slice_builder.cc', 'init.cc' ] + [Antlr3Grammar('cql3/Cql.g')] + [Thrift('interface/cassandra.thrift', 'Cassandra')] ) api = ['api/api.cc', 'api/api-doc/storage_service.json', 'api/storage_service.cc', 'api/api-doc/commitlog.json', 'api/commitlog.cc', 'api/api-doc/gossiper.json', 'api/gossiper.cc', 'api/api-doc/failure_detector.json', 'api/failure_detector.cc', 'api/api-doc/column_family.json', 'api/column_family.cc', 'api/messaging_service.cc', 'api/api-doc/messaging_service.json', 'api/api-doc/storage_proxy.json', 'api/storage_proxy.cc', 'api/api-doc/cache_service.json', 'api/cache_service.cc', 'api/api-doc/collectd.json', 'api/collectd.cc', 'api/api-doc/endpoint_snitch_info.json', 'api/endpoint_snitch.cc', 'api/api-doc/compaction_manager.json', 'api/compaction_manager.cc', 'api/api-doc/hinted_handoff.json', 'api/hinted_handoff.cc', 'api/api-doc/utils.json', ] urchin_tests_dependencies = urchin_core + [ 'tests/urchin/cql_test_env.cc', 'tests/urchin/cql_assertions.cc', 'tests/urchin/result_set_assertions.cc', 'tests/urchin/mutation_source_test.cc', ] urchin_tests_seastar_deps = [ 'seastar/tests/test-utils.cc', 'seastar/tests/test_runner.cc', ] deps = { 'scylla': ['main.cc'] + urchin_core + api, } for t in urchin_tests: deps[t] = urchin_tests_dependencies + [t + '.cc'] if 'types_test' not in t and 'keys_test' not in t and 'partitioner_test' not in t and 'map_difference_test' not in t and 'frozen_mutation_test' not in t and 'perf_mutation' not in t and 'cartesian_product_test' not in t and 'perf_hash' not in t and 'perf_cql_parser' not in t and 'message' not in t and 'perf_simple_query' not in t and 'serialization' not in t and t != 'tests/urchin/gossip' and 'compound_test' not in t and 'range_test' not in t: deps[t] += urchin_tests_seastar_deps deps['tests/urchin/sstable_test'] += ['tests/urchin/sstable_datafile_test.cc'] deps['tests/urchin/bytes_ostream_test'] = ['tests/urchin/bytes_ostream_test.cc'] deps['tests/urchin/UUID_test'] = ['utils/UUID_gen.cc', 'tests/urchin/UUID_test.cc'] deps['tests/urchin/murmur_hash_test'] = ['bytes.cc', 'utils/murmur_hash.cc', 'tests/urchin/murmur_hash_test.cc'] warnings = [ '-Wno-mismatched-tags', # clang-only '-Wno-maybe-uninitialized', # false positives on gcc 5 ] warnings = [w for w in warnings if warning_supported(warning = w, compiler = args.cxx)] warnings = ' '.join(warnings) dbgflag = debug_flag(args.cxx) if args.debuginfo else '' 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 seastar_flags = [] if args.dpdk: # fake dependencies on dpdk, so that it is built before anything else seastar_flags += ['--enable-dpdk'] elif args.dpdk_target: seastar_flags += ['--dpdk-target', args.dpdk_target] seastar_flags += ['--compiler', args.cxx] status = subprocess.call(['./configure.py'] + seastar_flags, cwd = 'seastar') if status != 0: print('Seastar configuration failed') sys.exit(1) pc = { mode : 'build/{}/seastar.pc'.format(mode) for mode in build_modes } ninja = find_executable('ninja') or find_executable('ninja-build') if not ninja: print('Ninja executable (ninja or ninja-build) not found on PATH\n') sys.exit(1) status = subprocess.call([ninja] + list(pc.values()), cwd = 'seastar') if status: print('Failed to generate {}\n'.format(pc)) sys.exit(1) for mode in build_modes: cfg = dict([line.strip().split(': ', 1) for line in open('seastar/' + pc[mode]) if ': ' in line]) modes[mode]['seastar_cflags'] = cfg['Cflags'] modes[mode]['seastar_libs'] = cfg['Libs'] seastar_deps = 'practically_anything_can_change_so_lets_run_it_every_time_and_restat.' args.user_cflags += " " + pkg_config("--cflags", "jsoncpp") libs = "-lyaml-cpp -llz4 -lz -lsnappy " + pkg_config("--libs", "jsoncpp") + ' -lboost_filesystem' user_cflags = args.user_cflags 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: f.write(textwrap.dedent('''\ configure_args = {configure_args} builddir = {outdir} cxx = {cxx} cxxflags = {user_cflags} {warnings} {defines} ldflags = {user_ldflags} libs = {libs} pool link_pool depth = {link_pool_depth} rule ragel command = ragel -G2 -o $out $in description = RAGEL $out rule gen command = echo -e $text > $out description = GEN $out rule swagger command = seastar/json/json2code.py -f $in -o $out description = SWAGGER $out rule ninja command = {ninja} -C $subdir $target restat = 1 description = NINJA $out ''').format(**globals())) for mode in build_modes: modeval = modes[mode] f.write(textwrap.dedent('''\ cxxflags_{mode} = -I. -I $builddir/{mode}/gen -I seastar -I seastar/build/{mode}/gen rule cxx.{mode} command = $cxx -MMD -MT $out -MF $out.d {seastar_cflags} $cxxflags $cxxflags_{mode} -c -o $out $in description = CXX $out depfile = $out.d rule link.{mode} command = $cxx $cxxflags_{mode} $ldflags {seastar_libs} -o $out $in $libs $libs_{mode} description = LINK $out pool = link_pool rule link_stripped.{mode} command = $cxx $cxxflags_{mode} -s $ldflags {seastar_libs} -o $out $in $libs $libs_{mode} description = LINK (stripped) $out pool = link_pool rule ar.{mode} command = rm -f $out; ar cr $out $in; ranlib $out description = AR $out rule thrift.{mode} command = thrift -gen cpp:cob_style -out $builddir/{mode}/gen $in description = THRIFT $in rule antlr3.{mode} command = sed -e '/^#if 0/,/^#endif/d' $in > $builddir/{mode}/gen/$in && antlr3 $builddir/{mode}/gen/$in && sed -i 's/^\\( *\)\\(ImplTraits::CommonTokenType\\* [a-zA-Z0-9_]* = NULL;\\)$$/\\1const \\2/' build/{mode}/gen/${{stem}}Parser.cpp description = ANTLR3 $in ''').format(mode = mode, **modeval)) f.write('build {mode}: phony {artifacts}\n'.format(mode = mode, artifacts = str.join(' ', ('$builddir/' + mode + '/' + x for x in build_artifacts)))) compiles = {} ragels = {} swaggers = {} thrifts = set() antlr3_grammars = set() for binary in build_artifacts: srcs = deps[binary] objs = ['$builddir/' + mode + '/' + src.replace('.cc', '.o') for src in srcs if src.endswith('.cc')] has_thrift = False for dep in deps[binary]: if isinstance(dep, Thrift): has_thrift = True objs += dep.objects('$builddir/' + mode + '/gen') if isinstance(dep, Antlr3Grammar): objs += dep.objects('$builddir/' + mode + '/gen') 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{srcdir}/{builddir} -Wl,--whole-archive -lseastar -Wl,--no-whole-archive {dbgflag} -Wl,--no-as-needed {static} {pie} -fvisibility=hidden -pthread {user_ldflags} {libs} {sanitize_libs} Cflags: -std=gnu++1y {dbgflag} {fpie} -Wall -Werror -fvisibility=hidden -pthread -I{srcdir} -I{srcdir}/{builddir}/gen {user_cflags} {warnings} {defines} {sanitize} {opt} ''').format(builddir = 'build/' + mode, srcdir = os.getcwd(), **vars) f.write('build $builddir/{}/{}: gen\n text = {}\n'.format(mode, binary, repr(pc))) elif binary.endswith('.a'): f.write('build $builddir/{}/{}: ar.{} {}\n'.format(mode, binary, mode, str.join(' ', objs))) else: if binary.startswith('tests/'): # 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/{}/{}: link_stripped.{} {} {}\n'.format(mode, binary, mode, str.join(' ', objs), 'seastar/build/{}/libseastar.a'.format(mode))) if has_thrift: f.write(' libs = -lthrift -lboost_system $libs\n') f.write('build $builddir/{}/{}_g: link.{} {} {}\n'.format(mode, binary, mode, str.join(' ', objs), 'seastar/build/{}/libseastar.a'.format(mode))) else: f.write('build $builddir/{}/{}: link.{} {} {}\n'.format(mode, binary, mode, str.join(' ', objs), 'seastar/build/{}/libseastar.a'.format(mode))) if has_thrift: f.write(' libs = -lthrift -lboost_system $libs\n') for src in srcs: if src.endswith('.cc'): obj = '$builddir/' + mode + '/' + src.replace('.cc', '.o') compiles[obj] = src 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 elif src.endswith('.thrift'): thrifts.add(src) elif src.endswith('.g'): antlr3_grammars.add(src) else: raise Exception('No rule for ' + src) for obj in compiles: src = compiles[obj] gen_headers = list(ragels.keys()) gen_headers += ['seastar/build/{}/http/request_parser.hh'.format(mode)] for th in thrifts: gen_headers += th.headers('$builddir/{}/gen'.format(mode)) for g in antlr3_grammars: gen_headers += g.headers('$builddir/{}/gen'.format(mode)) gen_headers += list(swaggers.keys()) f.write('build {}: cxx.{} {} || {} \n'.format(obj, mode, src, ' '.join(gen_headers))) 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 {}\n'.format(hh,src)) for thrift in thrifts: outs = ' '.join(thrift.generated('$builddir/{}/gen'.format(mode))) f.write('build {}: thrift.{} {}\n'.format(outs, mode, thrift.source)) for cc in thrift.sources('$builddir/{}/gen'.format(mode)): obj = cc.replace('.cpp', '.o') f.write('build {}: cxx.{} {}\n'.format(obj, mode, cc)) for grammar in antlr3_grammars: outs = ' '.join(grammar.generated('$builddir/{}/gen'.format(mode))) f.write('build {}: antlr3.{} {}\n stem = {}\n'.format(outs, mode, grammar.source, grammar.source.rsplit('.', 1)[0])) for cc in grammar.sources('$builddir/{}/gen'.format(mode)): obj = cc.replace('.cpp', '.o') f.write('build {}: cxx.{} {}\n'.format(obj, mode, cc)) f.write('build seastar/build/{}/libseastar.a: ninja {}\n'.format(mode, seastar_deps)) f.write(' subdir = seastar\n') f.write(' target = build/{}/libseastar.a\n'.format(mode)) f.write('build {}: phony\n'.format(seastar_deps)) f.write(textwrap.dedent('''\ rule configure command = python3 configure.py $configure_args generator = 1 build build.ninja: configure | configure.py rule cscope command = find -name '*.[chS]' -o -name "*.cc" -o -name "*.hh" | cscope -bq -i- description = CSCOPE build cscope: cscope rule request_parser_hh command = {ninja} -C seastar build/release/gen/http/request_parser.hh build/debug/gen/http/request_parser.hh description = GEN seastar/http/request_parser.hh build seastar/build/release/http/request_parser.hh seastar/build/debug/http/request_parser.hh: request_parser_hh default {modes_list} ''').format(modes_list = ' '.join(build_modes), **globals()))