configure.py

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
# Copyright (C) 2015-present ScyllaDB
#

#
# SPDX-License-Identifier: AGPL-3.0-or-later
#

import argparse
import os
import platform
import re
import shlex
import subprocess
import sys
import tempfile
import textwrap
from shutil import which
from typing import NamedTuple


configure_args = str.join(' ', [shlex.quote(x) for x in sys.argv[1:] if not x.startswith('--out=')])

# distribution "internationalization", converting package names.
# Fedora name is key, values is distro -> package name dict.
i18n_xlat = {
    'boost-devel': {
        'debian': 'libboost-dev',
        'ubuntu': 'libboost-dev (libboost1.55-dev on 14.04)',
    },
}

python3_dependencies = subprocess.run('./install-dependencies.sh --print-python3-runtime-packages', shell=True, capture_output=True, encoding='utf-8').stdout.strip()
pip_dependencies = subprocess.run('./install-dependencies.sh --print-pip-runtime-packages', shell=True, capture_output=True, encoding='utf-8').stdout.strip()
pip_symlinks = subprocess.run('./install-dependencies.sh --print-pip-symlinks', shell=True, capture_output=True, encoding='utf-8').stdout.strip()
node_exporter_filename = subprocess.run('./install-dependencies.sh --print-node-exporter-filename', shell=True, capture_output=True, encoding='utf-8').stdout.strip()
node_exporter_dirname = os.path.basename(node_exporter_filename).rstrip('.tar.gz')


def get_os_ids():
    if os.environ.get('NIX_CC'):
        return ['linux']

    if not os.path.exists('/etc/os-release'):
        return ['unknown']

    os_ids = []
    for line in open('/etc/os-release'):
        key, _, value = line.partition('=')
        value = value.strip().strip('"')
        if key == 'ID':
            os_ids = [value]
        if key == 'ID_LIKE':
            os_ids += value.split(' ')
    if os_ids:
        return os_ids
    return ['linux']  # default ID per os-release(5)


def pkgname(name):
    if name in i18n_xlat:
        dict = i18n_xlat[name]
        for id in get_os_ids():
            if id in dict:
                return dict[id]
    return name


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 is True:
            print(missing)
            sys.exit(1)
        else:
            print(note)
            return False
    return False


def have_pkg(package):
    return subprocess.call(['pkg-config', package]) == 0


def pkg_config(package, *options):
    pkg_config_path = os.environ.get('PKG_CONFIG_PATH', '')
    # Add the directory containing the package to the search path, if a file is
    # specified instead of a name.
    if package.endswith('.pc'):
        local_path = os.path.dirname(package)
        pkg_config_path = '{}:{}'.format(local_path, pkg_config_path)

    output = subprocess.check_output(['pkg-config'] + list(options) + [package],
                                     env = {**os.environ,
                                            'PKG_CONFIG_PATH': pkg_config_path})

    return output.decode('utf-8').strip()


def try_compile(compiler, source='', flags=[]):
    return try_compile_and_link(compiler, source, flags=flags + ['-c'])


def try_compile_and_link(compiler, source='', flags=[], verbose=False):
    os.makedirs(tempfile.tempdir, exist_ok=True)
    with tempfile.NamedTemporaryFile() as sfile:
        ofd, ofile = tempfile.mkstemp()
        os.close(ofd)
        try:
            sfile.file.write(bytes(source, 'utf-8'))
            sfile.file.flush()
            ret = subprocess.run([compiler, '-x', 'c++', '-o', ofile, sfile.name] + args.user_cflags.split() + flags,
                                 capture_output=True)
            if verbose:
                print(f"Compilation failed: {compiler} -x c++ -o {ofile} {sfile.name} {args.user_cflags} {flags}")
                print(source)
                print(ret.stdout.decode('utf-8'))
                print(ret.stderr.decode('utf-8'))
            return ret.returncode == 0
        finally:
            if os.path.exists(ofile):
                os.unlink(ofile)


def flag_supported(flag, compiler):
    # gcc ignores -Wno-x even if it is not supported
    adjusted = re.sub('^-Wno-', '-W', flag)
    split = adjusted.split(' ')
    return try_compile(flags=['-Werror'] + split, compiler=compiler)


def linker_flags(compiler):
    src_main = 'int main(int argc, char **argv) { return 0; }'
    link_flags = ['-fuse-ld=lld']
    if try_compile_and_link(source=src_main, flags=link_flags, compiler=compiler):
        print('Note: using the lld linker')
        return ' '.join(link_flags)
    link_flags = ['-fuse-ld=gold']
    if try_compile_and_link(source=src_main, flags=link_flags, compiler=compiler):
        print('Note: using the gold linker')
        threads_flag = '-Wl,--threads'
        if try_compile_and_link(source=src_main, flags=link_flags + [threads_flag], compiler=compiler):
            link_flags.append(threads_flag)
        return ' '.join(link_flags)
    else:
        linker = ''
        try:
            subprocess.call(["gold", "-v"], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
            linker = 'gold'
        except:
            pass
        try:
            subprocess.call(["lld", "-v"], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
            linker = 'lld'
        except:
            pass
        if linker:
            print(f'Linker {linker} found, but the compilation attempt failed, defaulting to default system linker')
        else:
            print('Note: neither lld nor gold found; using default system linker')
        return ''


def maybe_static(flag, libs):
    if flag:
        libs = '-Wl,-Bstatic {} -Wl,-Bdynamic'.format(libs)
    return libs


class Source(object):
    def __init__(self, source, hh_prefix, cc_prefix):
        self.source = source
        self.hh_prefix = hh_prefix
        self.cc_prefix = cc_prefix

    def headers(self, gen_dir):
        return [x for x in self.generated(gen_dir) if x.endswith(self.hh_prefix)]

    def sources(self, gen_dir):
        return [x for x in self.generated(gen_dir) if x.endswith(self.cc_prefix)]

    def objects(self, gen_dir):
        return [x.replace(self.cc_prefix, '.o') for x in self.sources(gen_dir)]

    def endswith(self, end):
        return self.source.endswith(end)

class Thrift(Source):
    def __init__(self, source, service):
        Source.__init__(self, source, '.h', '.cpp')
        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 default_target_arch():
    if platform.machine() in ['i386', 'i686', 'x86_64']:
        return 'westmere'   # support PCLMUL
    elif platform.machine() == 'aarch64':
        return 'armv8-a+crc+crypto'
    else:
        return ''


class Antlr3Grammar(Source):
    def __init__(self, source):
        Source.__init__(self, source, '.hpp', '.cpp')

    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]

class Json2Code(Source):
    def __init__(self, source):
        Source.__init__(self, source, '.hh', '.cc')

    def generated(self, gen_dir):
        return [os.path.join(gen_dir, self.source + '.hh'), os.path.join(gen_dir, self.source + '.cc')]

def find_headers(repodir, excluded_dirs):
    walker = os.walk(repodir)

    _, dirs, files = next(walker)
    for excl_dir in excluded_dirs:
        try:
            dirs.remove(excl_dir)
        except ValueError:
            # Ignore complaints about excl_dir not being in dirs
            pass

    is_hh = lambda f: f.endswith('.hh')
    headers = list(filter(is_hh, files))

    for dirpath, _, files in walker:
        if dirpath.startswith('./'):
            dirpath = dirpath[2:]
        headers += [os.path.join(dirpath, hh) for hh in filter(is_hh, files)]

    return sorted(headers)


def generate_compdb(compdb, ninja, buildfile, modes):
    # per-mode compdbs are built by taking the relevant entries from the
    # output of "ninja -t compdb" and combining them with the CMake-made
    # compdbs for Seastar in the relevant mode.
    #
    # "ninja -t compdb" output has to be filtered because
    # - it contains rules for all selected modes, and several entries for
    #   the same source file usually confuse indexers
    # - it contains lots of irrelevant entries (for linker invocations,
    #   header-only compilations, etc.)
    os.makedirs(tempfile.tempdir, exist_ok=True)
    with tempfile.NamedTemporaryFile() as ninja_compdb:
        subprocess.run([ninja, '-f', buildfile, '-t', 'compdb'], stdout=ninja_compdb.file.fileno())
        ninja_compdb.file.flush()

        # build mode-specific compdbs
        for mode in modes:
            mode_out = outdir + '/' + mode
            submodule_compdbs = [mode_out + '/' + submodule + '/' + compdb for submodule in ['seastar', 'abseil']]
            with open(mode_out + '/' + compdb, 'w+b') as combined_mode_specific_compdb:
                subprocess.run(['./scripts/merge-compdb.py', outdir + '/' + mode,
                                ninja_compdb.name] + submodule_compdbs, stdout=combined_mode_specific_compdb)

    # sort modes by supposed indexing speed
    for mode in ['dev', 'debug', 'release', 'sanitize']:
        compdb_target = outdir + '/' + mode + '/' + compdb
        if os.path.exists(compdb_target):
            try:
                os.symlink(compdb_target, compdb)
            except FileExistsError:
                # if there is already a valid compile_commands.json link in the
                # source root, we are done.
                pass
            return


def check_for_minimal_compiler_version(cxx):
    compiler_test_src = '''

// clang pretends to be gcc (defined __GNUC__), so we
// must check it first
#ifdef __clang__

#if __clang_major__ < 10
    #error "MAJOR"
#endif

#elif defined(__GNUC__)

#if __GNUC__ < 10
    #error "MAJOR"
#elif __GNUC__ == 10
    #if __GNUC_MINOR__ < 1
        #error "MINOR"
    #elif __GNUC_MINOR__ == 1
        #if __GNUC_PATCHLEVEL__ < 1
            #error "PATCHLEVEL"
        #endif
    #endif
#endif

#else

#error "Unrecognized compiler"

#endif

int main() { return 0; }
'''
    if try_compile_and_link(compiler=cxx, source=compiler_test_src):
        return
    try_compile_and_link(compiler=cxx, source=compiler_test_src, verbose=True)
    print('Wrong compiler version or incorrect flags. '
          'Scylla needs GCC >= 10.1.1 with coroutines (-fcoroutines) or '
          'clang >= 10.0.0 to compile.')
    sys.exit(1)


def check_for_boost(cxx):
    pkg_name = pkgname("boost-devel")
    if not try_compile(compiler=cxx, source='#include <boost/version.hpp>'):
        print(f'Boost not installed.  Please install {pkg_name}.')
        sys.exit(1)

    if not try_compile(compiler=cxx, source='''\
            #include <boost/version.hpp>
            #if BOOST_VERSION < 105500
            #error Boost version too low
            #endif
            '''):
        print(f'Installed boost version too old.  Please update {pkg_name}.')
        sys.exit(1)


def check_for_lz4(cxx, cflags):
    if not try_compile(cxx, source=textwrap.dedent('''\
        #include <lz4.h>

        void m() {
            LZ4_compress_default(static_cast<const char*>(0), static_cast<char*>(0), 0, 0);
        }
        '''), flags=cflags.split()):
        print('Installed lz4-devel is too old. Please upgrade it to r129 / v1.73 and up')
        sys.exit(1)


def thrift_uses_boost_share_ptr():
    # thrift version detection, see #4538
    proc_res = subprocess.run(["thrift", "-version"], stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
    proc_res_output = proc_res.stdout.decode("utf-8")
    if proc_res.returncode != 0 and not re.search(r'^Thrift version', proc_res_output):
        raise Exception("Thrift compiler must be missing: {}".format(proc_res_output))

    thrift_version = proc_res_output.split(" ")[-1]
    thrift_boost_versions = ["0.{}.".format(n) for n in range(1, 11)]
    return any(filter(thrift_version.startswith, thrift_boost_versions))


def find_ninja():
    ninja = which('ninja') or which('ninja-build')
    if ninja:
        return ninja
    print('Ninja executable (ninja or ninja-build) not found on PATH\n')
    sys.exit(1)


modes = {
    'debug': {
        'cxxflags': '-DDEBUG -DSANITIZE -DDEBUG_LSA_SANITIZER -DSCYLLA_ENABLE_ERROR_INJECTION',
        'cxx_ld_flags': '',
        'stack-usage-threshold': 1024*40,
        # -fasan -Og breaks some coroutines on aarch64, use -O0 instead
        'optimization-level': ('0' if platform.machine() == 'aarch64' else 'g'),
        'per_src_extra_cxxflags': {},
        'cmake_build_type': 'Debug',
        'can_have_debug_info': True,
        'build_seastar_shared_libs': True,
        'default': True,
        'description': 'a mode with no optimizations, with sanitizers, and with additional debug checks enabled, used for testing',
    },
    'release': {
        'cxxflags': '-ffunction-sections -fdata-sections ',
        'cxx_ld_flags': '-Wl,--gc-sections',
        'stack-usage-threshold': 1024*13,
        'optimization-level': '3',
        'per_src_extra_cxxflags': {},
        'cmake_build_type': 'RelWithDebInfo',
        'can_have_debug_info': True,
        'build_seastar_shared_libs': False,
        'default': True,
        'description': 'a mode with optimizations and no debug checks, used for production builds',
    },
    'dev': {
        'cxxflags': '-DDEVEL -DSEASTAR_ENABLE_ALLOC_FAILURE_INJECTION -DSCYLLA_ENABLE_ERROR_INJECTION -DSCYLLA_ENABLE_PREEMPTION_SOURCE',
        'cxx_ld_flags': '',
        'stack-usage-threshold': 1024*21,
        'optimization-level': '2',
        'per_src_extra_cxxflags': {},
        'cmake_build_type': 'Dev',
        'can_have_debug_info': False,
        'build_seastar_shared_libs': True,
        'default': True,
        'description': 'a mode with no optimizations and no debug checks, optimized for fast build times, used for development',
    },
    'sanitize': {
        'cxxflags': '-DDEBUG -DSANITIZE -DDEBUG_LSA_SANITIZER -DSCYLLA_ENABLE_ERROR_INJECTION',
        'cxx_ld_flags': '',
        'stack-usage-threshold': 1024*50,
        'optimization-level': 's',
        'per_src_extra_cxxflags': {},
        'cmake_build_type': 'Sanitize',
        'can_have_debug_info': True,
        'build_seastar_shared_libs': False,
        'default': False,
        'description': 'a mode with optimizations and sanitizers enabled, used for finding memory errors',
    },
    'coverage': {
        'cxxflags': '-fprofile-instr-generate -fcoverage-mapping -g -gz',
        'cxx_ld_flags': '-fprofile-instr-generate -fcoverage-mapping',
        'stack-usage-threshold': 1024*40,
        'optimization-level': 'g',
        'per_src_extra_cxxflags': {},
        'cmake_build_type': 'Debug',
        'can_have_debug_info': True,
        'build_seastar_shared_libs': False,
        'default': False,
        'description': 'a mode exclusively used for generating test coverage reports',
    },
}

scylla_tests = set([
    'test/boost/UUID_test',
    'test/boost/pretty_printers_test',
    'test/boost/cdc_generation_test',
    'test/boost/aggregate_fcts_test',
    'test/boost/allocation_strategy_test',
    'test/boost/alternator_unit_test',
    'test/boost/anchorless_list_test',
    'test/boost/auth_passwords_test',
    'test/boost/auth_resource_test',
    'test/boost/auth_test',
    'test/boost/batchlog_manager_test',
    'test/boost/big_decimal_test',
    'test/boost/broken_sstable_test',
    'test/boost/bytes_ostream_test',
    'test/boost/cache_algorithm_test',
    'test/boost/cache_flat_mutation_reader_test',
    'test/boost/cached_file_test',
    'test/boost/caching_options_test',
    'test/boost/canonical_mutation_test',
    'test/boost/cartesian_product_test',
    'test/boost/castas_fcts_test',
    'test/boost/cdc_test',
    'test/boost/cell_locker_test',
    'test/boost/checksum_utils_test',
    'test/boost/chunked_vector_test',
    'test/boost/chunked_managed_vector_test',
    'test/boost/clustering_ranges_walker_test',
    'test/boost/column_mapping_test',
    'test/boost/commitlog_test',
    'test/boost/compaction_group_test',
    'test/boost/compound_test',
    'test/boost/compress_test',
    'test/boost/config_test',
    'test/boost/continuous_data_consumer_test',
    'test/boost/counter_test',
    'test/boost/cql_auth_query_test',
    'test/boost/cql_auth_syntax_test',
    'test/boost/cql_query_test',
    'test/boost/cql_query_large_test',
    'test/boost/cql_query_like_test',
    'test/boost/cql_query_group_test',
    'test/boost/cql_functions_test',
    'test/boost/crc_test',
    'test/boost/data_listeners_test',
    'test/boost/database_test',
    'test/boost/commitlog_cleanup_test',
    'test/boost/dirty_memory_manager_test',
    'test/boost/duration_test',
    'test/boost/dynamic_bitset_test',
    'test/boost/enum_option_test',
    'test/boost/enum_set_test',
    'test/boost/extensions_test',
    'test/boost/error_injection_test',
    'test/boost/filtering_test',
    'test/boost/flat_mutation_reader_test',
    'test/boost/flush_queue_test',
    'test/boost/fragmented_temporary_buffer_test',
    'test/boost/frozen_mutation_test',
    'test/boost/gossiping_property_file_snitch_test',
    'test/boost/hash_test',
    'test/boost/hashers_test',
    'test/boost/hint_test',
    'test/boost/idl_test',
    'test/boost/input_stream_test',
    'test/boost/json_cql_query_test',
    'test/boost/json_test',
    'test/boost/keys_test',
    'test/boost/large_paging_state_test',
    'test/boost/recent_entries_map_test',
    'test/boost/like_matcher_test',
    'test/boost/limiting_data_source_test',
    'test/boost/linearizing_input_stream_test',
    'test/boost/loading_cache_test',
    'test/boost/log_heap_test',
    'test/boost/estimated_histogram_test',
    'test/boost/summary_test',
    'test/boost/logalloc_test',
    'test/boost/logalloc_standard_allocator_segment_pool_backend_test',
    'test/boost/managed_vector_test',
    'test/boost/managed_bytes_test',
    'test/boost/intrusive_array_test',
    'test/boost/map_difference_test',
    'test/boost/memtable_test',
    'test/boost/multishard_mutation_query_test',
    'test/boost/murmur_hash_test',
    'test/boost/mutation_fragment_test',
    'test/boost/mutation_query_test',
    'test/boost/mutation_reader_test',
    'test/boost/multishard_combining_reader_as_mutation_source_test',
    'test/boost/mutation_test',
    'test/boost/mutation_writer_test',
    'test/boost/mvcc_test',
    'test/boost/network_topology_strategy_test',
    'test/boost/token_metadata_test',
    'test/boost/tablets_test',
    'test/boost/sessions_test',
    'test/boost/nonwrapping_interval_test',
    'test/boost/observable_test',
    'test/boost/partitioner_test',
    'test/boost/querier_cache_test',
    'test/boost/query_processor_test',
    'test/boost/wrapping_interval_test',
    'test/boost/range_tombstone_list_test',
    'test/boost/reusable_buffer_test',
    'test/boost/restrictions_test',
    'test/boost/repair_test',
    'test/boost/role_manager_test',
    'test/boost/row_cache_test',
    'test/boost/rust_test',
    'test/boost/schema_change_test',
    'test/boost/schema_registry_test',
    'test/boost/secondary_index_test',
    'test/boost/tracing_test',
    'test/boost/index_with_paging_test',
    'test/boost/serialization_test',
    'test/boost/serialized_action_test',
    'test/boost/small_vector_test',
    'test/boost/snitch_reset_test',
    'test/boost/sstable_3_x_test',
    'test/boost/sstable_datafile_test',
    'test/boost/sstable_generation_test',
    'test/boost/sstable_mutation_test',
    'test/boost/sstable_partition_index_cache_test',
    'test/boost/schema_changes_test',
    'test/boost/sstable_conforms_to_mutation_source_test',
    'test/boost/sstable_compaction_test',
    'test/boost/sstable_resharding_test',
    'test/boost/sstable_directory_test',
    'test/boost/sstable_test',
    'test/boost/sstable_move_test',
    'test/boost/statement_restrictions_test',
    'test/boost/storage_proxy_test',
    'test/boost/top_k_test',
    'test/boost/transport_test',
    'test/boost/types_test',
    'test/boost/user_function_test',
    'test/boost/user_types_test',
    'test/boost/utf8_test',
    'test/boost/view_build_test',
    'test/boost/view_complex_test',
    'test/boost/view_schema_test',
    'test/boost/view_schema_pkey_test',
    'test/boost/view_schema_ckey_test',
    'test/boost/vint_serialization_test',
    'test/boost/virtual_reader_test',
    'test/boost/virtual_table_mutation_source_test',
    'test/boost/virtual_table_test',
    'test/boost/wasm_test',
    'test/boost/wasm_alloc_test',
    'test/boost/bptree_test',
    'test/boost/btree_test',
    'test/boost/radix_tree_test',
    'test/boost/double_decker_test',
    'test/boost/stall_free_test',
    'test/boost/sstable_set_test',
    'test/boost/reader_concurrency_semaphore_test',
    'test/boost/service_level_controller_test',
    'test/boost/schema_loader_test',
    'test/boost/lister_test',
    'test/boost/group0_test',
    'test/boost/exception_container_test',
    'test/boost/result_utils_test',
    'test/boost/rate_limiter_test',
    'test/boost/per_partition_rate_limit_test',
    'test/boost/expr_test',
    'test/boost/exceptions_optimized_test',
    'test/boost/exceptions_fallback_test',
    'test/boost/s3_test',
    'test/boost/locator_topology_test',
    'test/boost/string_format_test',
    'test/boost/tagged_integer_test',
    'test/boost/group0_cmd_merge_test',
    'test/boost/sorting_test',
    'test/manual/ec2_snitch_test',
    'test/manual/enormous_table_scan_test',
    'test/manual/gce_snitch_test',
    'test/manual/gossip',
    'test/manual/hint_test',
    'test/manual/message',
    'test/manual/partition_data_test',
    'test/manual/row_locker_test',
    'test/manual/streaming_histogram_test',
    'test/manual/sstable_scan_footprint_test',
    'test/perf/memory_footprint_test',
    'test/perf/perf_cache_eviction',
    'test/perf/perf_commitlog',
    'test/perf/perf_cql_parser',
    'test/perf/perf_hash',
    'test/perf/perf_mutation',
    'test/perf/perf_collection',
    'test/perf/perf_row_cache_reads',
    'test/perf/logalloc',
    'test/perf/perf_s3_client',
    'test/unit/lsa_async_eviction_test',
    'test/unit/lsa_sync_eviction_test',
    'test/unit/row_cache_alloc_stress_test',
    'test/unit/row_cache_stress_test',
    'test/unit/bptree_stress_test',
    'test/unit/btree_stress_test',
    'test/unit/bptree_compaction_test',
    'test/unit/btree_compaction_test',
    'test/unit/radix_tree_stress_test',
    'test/unit/radix_tree_compaction_test',
    'test/unit/cross_shard_barrier_test',
])

perf_tests = set([
    'test/perf/perf_mutation_readers',
    'test/perf/perf_checksum',
    'test/perf/perf_mutation_fragment',
    'test/perf/perf_idl',
    'test/perf/perf_vint',
    'test/perf/perf_big_decimal',
])

raft_tests = set([
    'test/raft/replication_test',
    'test/raft/randomized_nemesis_test',
    'test/raft/many_test',
    'test/raft/raft_server_test',
    'test/raft/fsm_test',
    'test/raft/etcd_test',
    'test/raft/raft_sys_table_storage_test',
    'test/raft/raft_address_map_test',
    'test/raft/discovery_test',
    'test/raft/failure_detector_test',
])

wasms = set([
    'wasm/return_input.wat',
    'wasm/test_complex_null_values.wat',
    'wasm/test_fib_called_on_null.wat',
    'wasm/test_functions_with_frozen_types.wat',
    'wasm/test_mem_grow.wat',
    'wasm/test_pow.wat',
    'wasm/test_short_ints.wat',
    'wasm/test_types_with_and_without_nulls.wat',
    'wasm/test_UDA_final.wat',
    'wasm/test_UDA_scalar.wat',
    'wasm/test_word_double.wat',
])

apps = set([
    'scylla',
])

tests = scylla_tests | perf_tests | raft_tests

other = set([
    'iotune',
])

all_artifacts = apps | tests | other | wasms

arg_parser = argparse.ArgumentParser('Configure scylla')
arg_parser.add_argument('--out', dest='buildfile', action='store', default='build.ninja',
                        help='Output build-file name (by default build.ninja)')
arg_parser.add_argument('--mode', action='append', choices=list(modes.keys()), dest='selected_modes',
                        help="Build modes to generate ninja files for. The available build modes are:\n{}".format("; ".join(["{} - {}".format(m, cfg['description']) for m, cfg in modes.items()])))
arg_parser.add_argument('--with', dest='artifacts', action='append', default=[],
                        help="Specify the artifacts to build, invoke {} with --list-artifacts to list all available artifacts, if unspecified all artifacts are built".format(sys.argv[0]))
arg_parser.add_argument('--with-seastar', action='store', dest='seastar_path', default='seastar', help='Path to Seastar sources')
add_tristate(arg_parser, name='dist', dest='enable_dist',
                        help='scylla-tools-java, scylla-jmx and packages')
arg_parser.add_argument('--dist-only', dest='dist_only', action='store_true', default=False,
                        help='skip compiling code and run dist targets only')

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('--target', action='store', dest='target', default=default_target_arch(),
                        help='Target architecture (-march)')
arg_parser.add_argument('--compiler', action='store', dest='cxx', default='clang++',
                        help='C++ compiler path')
arg_parser.add_argument('--c-compiler', action='store', dest='cc', default='clang',
                        help='C compiler path')
add_tristate(arg_parser, name='dpdk', dest='dpdk',
                        help='Use dpdk (from seastar dpdk sources) (default=True for release builds)')
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('--optimization-level', action='append', dest='mode_o_levels', metavar='MODE=LEVEL', default=[],
                        help=f'Override default compiler optimization level for mode (defaults: {" ".join([x+"="+modes[x]["optimization-level"] for x in modes])})')
arg_parser.add_argument('--static-stdc++', dest='staticcxx', action='store_true',
                        help='Link libgcc and libstdc++ statically')
arg_parser.add_argument('--static-thrift', dest='staticthrift', action='store_true',
                        help='Link libthrift statically')
arg_parser.add_argument('--static-boost', dest='staticboost', action='store_true',
                        help='Link boost statically')
arg_parser.add_argument('--static-yaml-cpp', dest='staticyamlcpp', action='store_true',
                        help='Link libyaml-cpp statically')
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('--perf-tests-debuginfo', action='store', dest='perf_tests_debuginfo', type=int, default=0,
                        help='Enable(1)/disable(0)compiler debug information generation for perf tests')
arg_parser.add_argument('--python', action='store', dest='python', default='python3',
                        help='Python3 path')
arg_parser.add_argument('--split-dwarf', dest='split_dwarf', action='store_true', default=False,
                        help='use of split dwarf (https://gcc.gnu.org/wiki/DebugFission) to speed up linking')
arg_parser.add_argument('--enable-alloc-failure-injector', dest='alloc_failure_injector', action='store_true', default=False,
                        help='enable allocation failure injection')
arg_parser.add_argument('--enable-seastar-debug-allocations', dest='seastar_debug_allocations', action='store_true', default=False,
                        help='enable seastar debug allocations')
arg_parser.add_argument('--with-antlr3', dest='antlr3_exec', action='store', default="antlr3",
                        help='path to antlr3 executable')
arg_parser.add_argument('--with-ragel', dest='ragel_exec', action='store', default='ragel',
        help='path to ragel executable')
add_tristate(arg_parser, name='stack-guards', dest='stack_guards', help='Use stack guards')
arg_parser.add_argument('--verbose', dest='verbose', action='store_true',
                        help='Make configure.py output more verbose (useful for debugging the build process itself)')
arg_parser.add_argument('--test-repeat', dest='test_repeat', action='store', type=str, default='1',
                         help='Set number of times to repeat each unittest.')
arg_parser.add_argument('--test-timeout', dest='test_timeout', action='store', type=str, default='7200')
arg_parser.add_argument('--clang-inline-threshold', action='store', type=int, dest='clang_inline_threshold', default=-1,
                        help="LLVM-specific inline threshold compilation parameter")
arg_parser.add_argument('--list-artifacts', dest='list_artifacts', action='store_true', default=False,
                        help='List all available build artifacts, that can be passed to --with')
arg_parser.add_argument('--date-stamp', dest='date_stamp', type=str,
                        help='Set datestamp for SCYLLA-VERSION-GEN')
arg_parser.add_argument('--use-cmake', action='store_true', help='Use CMake as the build system')
arg_parser.add_argument('--coverage', action = 'store_true', help = 'Compile scylla with coverage instrumentation')
arg_parser.add_argument('--build-dir', action='store', default='build',
                        help='Build directory path')

args = arg_parser.parse_args()

PROFILES_LIST_FILE_NAME = "coverage_sources.list"

outdir = args.build_dir
tempfile.tempdir = f"{outdir}/tmp"

if args.list_artifacts:
    for artifact in sorted(all_artifacts):
        print(artifact)
    exit(0)

defines = ['XXH_PRIVATE_API',
           'SEASTAR_TESTING_MAIN',
]

scylla_raft_core = [
    'raft/raft.cc',
    'raft/server.cc',
    'raft/fsm.cc',
    'raft/tracker.cc',
    'raft/log.cc',
]

scylla_core = (['message/messaging_service.cc',
                'replica/database.cc',
                'replica/table.cc',
                'replica/tablets.cc',
                'replica/distributed_loader.cc',
                'replica/memtable.cc',
                'replica/exceptions.cc',
                'replica/dirty_memory_manager.cc',
                'replica/mutation_dump.cc',
                'mutation/atomic_cell.cc',
                'mutation/canonical_mutation.cc',
                'mutation/frozen_mutation.cc',
                'mutation/mutation.cc',
                'mutation/mutation_fragment.cc',
                'mutation/mutation_fragment_stream_validator.cc',
                'mutation/mutation_partition.cc',
                'mutation/mutation_partition_v2.cc',
                'mutation/mutation_partition_view.cc',
                'mutation/mutation_partition_serializer.cc',
                'mutation/partition_version.cc',
                'mutation/range_tombstone.cc',
                'mutation/range_tombstone_list.cc',
                'mutation/async_utils.cc',
                'absl-flat_hash_map.cc',
                'collection_mutation.cc',
                'client_data.cc',
                'debug.cc',
                'schema/caching_options.cc',
                'schema/schema.cc',
                'schema/schema_registry.cc',
                'frozen_schema.cc',
                'bytes.cc',
                'timeout_config.cc',
                'row_cache.cc',
                'schema_mutations.cc',
                'generic_server.cc',
                'utils/array-search.cc',
                'utils/base64.cc',
                'utils/logalloc.cc',
                'utils/large_bitset.cc',
                'utils/buffer_input_stream.cc',
                'utils/limiting_data_source.cc',
                'utils/updateable_value.cc',
                'utils/directories.cc',
                'gms/generation-number.cc',
                'utils/rjson.cc',
                'utils/human_readable.cc',
                'utils/histogram_metrics_helper.cc',
                'utils/on_internal_error.cc',
                'utils/pretty_printers.cc',
                'converting_mutation_partition_applier.cc',
                'readers/combined.cc',
                'readers/multishard.cc',
                'readers/mutation_reader.cc',
                'readers/mutation_readers.cc',
                'mutation_query.cc',
                'keys.cc',
                'counters.cc',
                'compress.cc',
                'zstd.cc',
                'sstables/sstables.cc',
                'sstables/sstables_manager.cc',
                'sstables/sstable_set.cc',
                'sstables/storage.cc',
                'sstables/mx/partition_reversing_data_source.cc',
                'sstables/mx/reader.cc',
                'sstables/mx/writer.cc',
                'sstables/kl/reader.cc',
                'sstables/sstable_version.cc',
                'sstables/compress.cc',
                'sstables/sstable_mutation_reader.cc',
                'compaction/compaction.cc',
                'compaction/compaction_strategy.cc',
                'compaction/size_tiered_compaction_strategy.cc',
                'compaction/leveled_compaction_strategy.cc',
                'compaction/task_manager_module.cc',
                'compaction/time_window_compaction_strategy.cc',
                'compaction/compaction_manager.cc',
                'sstables/integrity_checked_file_impl.cc',
                'sstables/prepended_input_stream.cc',
                'sstables/m_format_read_helpers.cc',
                'sstables/sstable_directory.cc',
                'sstables/random_access_reader.cc',
                'sstables/metadata_collector.cc',
                'sstables/writer.cc',
                'transport/cql_protocol_extension.cc',
                'transport/event.cc',
                'transport/event_notifier.cc',
                'transport/server.cc',
                'transport/controller.cc',
                'transport/messages/result_message.cc',
                'cdc/cdc_partitioner.cc',
                'cdc/log.cc',
                'cdc/split.cc',
                'cdc/generation.cc',
                'cdc/metadata.cc',
                'cql3/type_json.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/values.cc',
                'cql3/expr/expression.cc',
                'cql3/expr/restrictions.cc',
                'cql3/expr/prepare_expr.cc',
                'cql3/functions/user_function.cc',
                'cql3/functions/functions.cc',
                'cql3/functions/aggregate_fcts.cc',
                'cql3/functions/castas_fcts.cc',
                'cql3/functions/error_injection_fcts.cc',
                'cql3/statements/cf_prop_defs.cc',
                'cql3/statements/cf_statement.cc',
                'cql3/statements/authentication_statement.cc',
                'cql3/statements/create_keyspace_statement.cc',
                'cql3/statements/create_table_statement.cc',
                'cql3/statements/create_view_statement.cc',
                'cql3/statements/create_type_statement.cc',
                'cql3/statements/create_function_statement.cc',
                'cql3/statements/create_aggregate_statement.cc',
                'cql3/statements/drop_index_statement.cc',
                'cql3/statements/drop_keyspace_statement.cc',
                'cql3/statements/drop_table_statement.cc',
                'cql3/statements/drop_view_statement.cc',
                'cql3/statements/drop_type_statement.cc',
                'cql3/statements/drop_function_statement.cc',
                'cql3/statements/drop_aggregate_statement.cc',
                'cql3/statements/schema_altering_statement.cc',
                'cql3/statements/ks_prop_defs.cc',
                'cql3/statements/function_statement.cc',
                'cql3/statements/modification_statement.cc',
                'cql3/statements/cas_request.cc',
                'cql3/statements/raw/parsed_statement.cc',
                'cql3/statements/property_definitions.cc',
                'cql3/statements/update_statement.cc',
                'cql3/statements/strongly_consistent_modification_statement.cc',
                'cql3/statements/strongly_consistent_select_statement.cc',
                'cql3/statements/delete_statement.cc',
                'cql3/statements/prune_materialized_view_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/statements/truncate_statement.cc',
                'cql3/statements/alter_table_statement.cc',
                'cql3/statements/alter_view_statement.cc',
                'cql3/statements/list_users_statement.cc',
                'cql3/statements/authorization_statement.cc',
                'cql3/statements/permission_altering_statement.cc',
                'cql3/statements/list_permissions_statement.cc',
                'cql3/statements/grant_statement.cc',
                'cql3/statements/revoke_statement.cc',
                'cql3/statements/alter_type_statement.cc',
                'cql3/statements/alter_keyspace_statement.cc',
                'cql3/statements/role-management-statements.cc',
                'cql3/statements/service_level_statement.cc',
                'cql3/statements/create_service_level_statement.cc',
                'cql3/statements/alter_service_level_statement.cc',
                'cql3/statements/sl_prop_defs.cc',
                'cql3/statements/drop_service_level_statement.cc',
                'cql3/statements/attach_service_level_statement.cc',
                'cql3/statements/detach_service_level_statement.cc',
                'cql3/statements/list_service_level_statement.cc',
                'cql3/statements/list_service_level_attachments_statement.cc',
                'cql3/statements/list_effective_service_level_statement.cc',
                'cql3/statements/describe_statement.cc',
                'cql3/update_parameters.cc',
                'cql3/util.cc',
                'cql3/ut_name.cc',
                'cql3/role_name.cc',
                'data_dictionary/data_dictionary.cc',
                'thrift/handler.cc',
                'thrift/server.cc',
                'thrift/controller.cc',
                'thrift/thrift_validation.cc',
                'utils/runtime.cc',
                'utils/murmur_hash.cc',
                'utils/uuid.cc',
                'utils/big_decimal.cc',
                'types/types.cc',
                'validation.cc',
                'service/migration_manager.cc',
                'service/tablet_allocator.cc',
                'service/storage_proxy.cc',
                'query_ranges_to_vnodes.cc',
                'service/forward_service.cc',
                'service/paxos/proposal.cc',
                'service/paxos/prepare_response.cc',
                'service/paxos/paxos_state.cc',
                'service/paxos/prepare_summary.cc',
                'cql3/column_identifier.cc',
                'cql3/column_specification.cc',
                'cql3/constants.cc',
                'cql3/query_processor.cc',
                'cql3/query_options.cc',
                'cql3/user_types.cc',
                'cql3/untyped_result_set.cc',
                'cql3/selection/selectable.cc',
                'cql3/selection/selection.cc',
                'cql3/selection/selector.cc',
                'cql3/restrictions/statement_restrictions.cc',
                'cql3/result_set.cc',
                'cql3/prepare_context.cc',
                'db/consistency_level.cc',
                'db/system_keyspace.cc',
                'db/virtual_table.cc',
                'db/virtual_tables.cc',
                'db/system_distributed_keyspace.cc',
                'db/size_estimates_virtual_reader.cc',
                'db/schema_tables.cc',
                'db/cql_type_parser.cc',
                'db/legacy_schema_migrator.cc',
                'db/commitlog/commitlog.cc',
                'db/commitlog/commitlog_replayer.cc',
                'db/commitlog/commitlog_entry.cc',
                'db/data_listeners.cc',
                'db/functions/function.cc',
                'db/hints/internal/hint_endpoint_manager.cc',
                'db/hints/internal/hint_sender.cc',
                'db/hints/internal/hint_storage.cc',
                'db/hints/manager.cc',
                'db/hints/resource_manager.cc',
                'db/hints/host_filter.cc',
                'db/hints/sync_point.cc',
                'db/config.cc',
                'db/extensions.cc',
                'db/heat_load_balance.cc',
                'db/large_data_handler.cc',
                'db/marshal/type_parser.cc',
                'db/batchlog_manager.cc',
                'db/tags/utils.cc',
                'db/view/view.cc',
                'db/view/view_update_generator.cc',
                'db/view/row_locking.cc',
                'db/sstables-format-selector.cc',
                'db/snapshot-ctl.cc',
                'db/rate_limiter.cc',
                'db/per_partition_rate_limit_options.cc',
                'index/secondary_index_manager.cc',
                'index/secondary_index.cc',
                'utils/UUID_gen.cc',
                'utils/i_filter.cc',
                'utils/bloom_filter.cc',
                'utils/bloom_calculations.cc',
                'utils/rate_limiter.cc',
                'utils/file_lock.cc',
                'utils/dynamic_bitset.cc',
                'utils/managed_bytes.cc',
                'utils/exceptions.cc',
                'utils/config_file.cc',
                'utils/multiprecision_int.cc',
                'utils/gz/crc_combine.cc',
                'utils/gz/crc_combine_table.cc',
                'utils/s3/client.cc',
                'gms/version_generator.cc',
                'gms/versioned_value.cc',
                'gms/gossiper.cc',
                'gms/feature_service.cc',
                'gms/gossip_digest_syn.cc',
                'gms/gossip_digest_ack.cc',
                'gms/gossip_digest_ack2.cc',
                'gms/endpoint_state.cc',
                'gms/application_state.cc',
                'gms/inet_address.cc',
                'dht/i_partitioner.cc',
                'dht/token.cc',
                'dht/murmur3_partitioner.cc',
                'dht/boot_strapper.cc',
                'dht/range_streamer.cc',
                'unimplemented.cc',
                'query.cc',
                'query-result-set.cc',
                'locator/abstract_replication_strategy.cc',
                'locator/tablets.cc',
                'locator/azure_snitch.cc',
                'locator/simple_strategy.cc',
                'locator/local_strategy.cc',
                'locator/network_topology_strategy.cc',
                'locator/everywhere_replication_strategy.cc',
                'locator/token_metadata.cc',
                'locator/snitch_base.cc',
                'locator/simple_snitch.cc',
                'locator/rack_inferring_snitch.cc',
                'locator/gossiping_property_file_snitch.cc',
                'locator/production_snitch_base.cc',
                'locator/ec2_snitch.cc',
                'locator/ec2_multi_region_snitch.cc',
                'locator/gce_snitch.cc',
                'locator/topology.cc',
                'locator/util.cc',
                'service/client_state.cc',
                'service/storage_service.cc',
                'service/session.cc',
                'service/misc_services.cc',
                'service/pager/paging_state.cc',
                'service/pager/query_pagers.cc',
                'service/qos/qos_common.cc',
                'service/qos/service_level_controller.cc',
                'service/qos/standard_service_level_distributed_data_accessor.cc',
                'service/qos/raft_service_level_distributed_data_accessor.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/stream_session_state.cc',
                'streaming/consumer.cc',
                'clocks-impl.cc',
                'partition_slice_builder.cc',
                'init.cc',
                'utils/lister.cc',
                'repair/repair.cc',
                'repair/row_level.cc',
                'repair/table_check.cc',
                'exceptions/exceptions.cc',
                'auth/allow_all_authenticator.cc',
                'auth/allow_all_authorizer.cc',
                'auth/authenticated_user.cc',
                'auth/authenticator.cc',
                'auth/common.cc',
                'auth/default_authorizer.cc',
                'auth/resource.cc',
                'auth/roles-metadata.cc',
                'auth/passwords.cc',
                'auth/password_authenticator.cc',
                'auth/permission.cc',
                'auth/permissions_cache.cc',
                'auth/service.cc',
                'auth/standard_role_manager.cc',
                'auth/transitional.cc',
                'auth/maintenance_socket_role_manager.cc',
                'auth/role_or_anonymous.cc',
                'auth/sasl_challenge.cc',
                'auth/certificate_authenticator.cc',
                'tracing/tracing.cc',
                'tracing/trace_keyspace_helper.cc',
                'tracing/trace_state.cc',
                'tracing/traced_file.cc',
                'table_helper.cc',
                'tombstone_gc_options.cc',
                'tombstone_gc.cc',
                'utils/disk-error-handler.cc',
                'utils/hashers.cc',
                'utils/aws_sigv4.cc',
                'duration.cc',
                'vint-serialization.cc',
                'utils/arch/powerpc/crc32-vpmsum/crc32_wrapper.cc',
                'querier.cc',
                'mutation_writer/multishard_writer.cc',
                'multishard_mutation_query.cc',
                'reader_concurrency_semaphore.cc',
                'sstables_loader.cc',
                'utils/utf8.cc',
                'utils/ascii.cc',
                'utils/like_matcher.cc',
                'utils/error_injection.cc',
                'utils/build_id.cc',
                'mutation_writer/timestamp_based_splitting_writer.cc',
                'mutation_writer/shard_based_splitting_writer.cc',
                'mutation_writer/partition_based_splitting_writer.cc',
                'mutation_writer/token_group_based_splitting_writer.cc',
                'mutation_writer/feed_writers.cc',
                'lang/lua.cc',
                'lang/wasm.cc',
                'lang/wasm_alien_thread_runner.cc',
                'lang/wasm_instance_cache.cc',
                'service/raft/group0_state_machine.cc',
                'service/raft/group0_state_machine_merger.cc',
                'service/raft/raft_sys_table_storage.cc',
                'serializer.cc',
                'release.cc',
                'service/raft/raft_rpc.cc',
                'service/raft/raft_group_registry.cc',
                'service/raft/discovery.cc',
                'service/raft/raft_group0.cc',
                'direct_failure_detector/failure_detector.cc',
                'service/raft/raft_group0_client.cc',
                'service/broadcast_tables/experimental/lang.cc',
                'tasks/task_manager.cc',
                'rust/wasmtime_bindings/src/lib.rs',
                'utils/to_string.cc',
                'service/topology_state_machine.cc',
                'service/topology_mutation.cc',
                'service/topology_coordinator.cc',
                'node_ops/node_ops_ctl.cc'
                ] + [Antlr3Grammar('cql3/Cql.g')] + [Thrift('interface/cassandra.thrift', 'Cassandra')] \
                  + scylla_raft_core
               )

api = ['api/api.cc',
       Json2Code('api/api-doc/storage_service.json'),
       Json2Code('api/api-doc/lsa.json'),
       'api/storage_service.cc',
       'api/token_metadata.cc',
       Json2Code('api/api-doc/commitlog.json'),
       'api/commitlog.cc',
       Json2Code('api/api-doc/gossiper.json'),
       'api/gossiper.cc',
       Json2Code('api/api-doc/failure_detector.json'),
       'api/failure_detector.cc',
       Json2Code('api/api-doc/column_family.json'),
       'api/column_family.cc',
       'api/messaging_service.cc',
       Json2Code('api/api-doc/messaging_service.json'),
       Json2Code('api/api-doc/storage_proxy.json'),
       'api/storage_proxy.cc',
       Json2Code('api/api-doc/cache_service.json'),
       'api/cache_service.cc',
       Json2Code('api/api-doc/collectd.json'),
       'api/collectd.cc',
       Json2Code('api/api-doc/endpoint_snitch_info.json'),
       'api/endpoint_snitch.cc',
       Json2Code('api/api-doc/compaction_manager.json'),
       'api/compaction_manager.cc',
       Json2Code('api/api-doc/hinted_handoff.json'),
       'api/hinted_handoff.cc',
       Json2Code('api/api-doc/utils.json'),
       'api/lsa.cc',
       Json2Code('api/api-doc/stream_manager.json'),
       'api/stream_manager.cc',
       Json2Code('api/api-doc/system.json'),
       'api/system.cc',
       Json2Code('api/api-doc/tasks.json'),
       'api/tasks.cc',
       Json2Code('api/api-doc/task_manager.json'),
       'api/task_manager.cc',
       Json2Code('api/api-doc/task_manager_test.json'),
       'api/task_manager_test.cc',
       'api/config.cc',
       Json2Code('api/api-doc/config.json'),
       Json2Code('api/api-doc/metrics.json'),
       'api/error_injection.cc',
       Json2Code('api/api-doc/error_injection.json'),
       'api/authorization_cache.cc',
       Json2Code('api/api-doc/authorization_cache.json'),
       'api/raft.cc',
       Json2Code('api/api-doc/raft.json'),
       ]

alternator = [
       'alternator/controller.cc',
       'alternator/server.cc',
       'alternator/executor.cc',
       'alternator/stats.cc',
       'alternator/serialization.cc',
       'alternator/expressions.cc',
       Antlr3Grammar('alternator/expressions.g'),
       'alternator/conditions.cc',
       'alternator/auth.cc',
       'alternator/streams.cc',
       'alternator/ttl.cc',
]

redis = [
        'redis/controller.cc',
        'redis/server.cc',
        'redis/query_processor.cc',
        'redis/protocol_parser.rl',
        'redis/keyspace_utils.cc',
        'redis/options.cc',
        'redis/stats.cc',
        'redis/mutation_utils.cc',
        'redis/query_utils.cc',
        'redis/abstract_command.cc',
        'redis/command_factory.cc',
        'redis/commands.cc',
        'redis/lolwut.cc',
        ]

idls = ['idl/gossip_digest.idl.hh',
        'idl/uuid.idl.hh',
        'idl/range.idl.hh',
        'idl/keys.idl.hh',
        'idl/read_command.idl.hh',
        'idl/token.idl.hh',
        'idl/ring_position.idl.hh',
        'idl/result.idl.hh',
        'idl/frozen_mutation.idl.hh',
        'idl/reconcilable_result.idl.hh',
        'idl/streaming.idl.hh',
        'idl/paging_state.idl.hh',
        'idl/frozen_schema.idl.hh',
        'idl/partition_checksum.idl.hh',
        'idl/replay_position.idl.hh',
        'idl/mutation.idl.hh',
        'idl/query.idl.hh',
        'idl/idl_test.idl.hh',
        'idl/commitlog.idl.hh',
        'idl/tracing.idl.hh',
        'idl/consistency_level.idl.hh',
        'idl/cache_temperature.idl.hh',
        'idl/view.idl.hh',
        'idl/messaging_service.idl.hh',
        'idl/paxos.idl.hh',
        'idl/raft.idl.hh',
        'idl/raft_storage.idl.hh',
        'idl/group0.idl.hh',
        'idl/hinted_handoff.idl.hh',
        'idl/storage_proxy.idl.hh',
        'idl/group0_state_machine.idl.hh',
        'idl/forward_request.idl.hh',
        'idl/replica_exception.idl.hh',
        'idl/per_partition_rate_limit_info.idl.hh',
        'idl/position_in_partition.idl.hh',
        'idl/experimental/broadcast_tables_lang.idl.hh',
        'idl/storage_service.idl.hh',
        'idl/join_node.idl.hh',
        'idl/utils.idl.hh',
        ]

scylla_tests_generic_dependencies = [
    'test/lib/cql_test_env.cc',
    'test/lib/test_services.cc',
    'test/lib/log.cc',
    'test/lib/test_utils.cc',
    'test/lib/tmpdir.cc',
    'test/lib/sstable_run_based_compaction_strategy_for_tests.cc',
]

scylla_tests_dependencies = scylla_core + alternator + idls + scylla_tests_generic_dependencies + [
    'test/lib/cql_assertions.cc',
    'test/lib/result_set_assertions.cc',
    'test/lib/mutation_source_test.cc',
    'test/lib/sstable_utils.cc',
    'test/lib/data_model.cc',
    'test/lib/exception_utils.cc',
    'test/lib/random_schema.cc',
    'test/lib/key_utils.cc',
]

scylla_raft_dependencies = scylla_raft_core + ['utils/uuid.cc', 'utils/error_injection.cc', 'utils/exceptions.cc']

scylla_tools = ['tools/scylla-types.cc', 'tools/scylla-sstable.cc', 'tools/scylla-nodetool.cc', 'tools/schema_loader.cc', 'tools/utils.cc', 'tools/lua_sstable_consumer.cc']
scylla_perfs = ['test/perf/perf_alternator.cc',
                'test/perf/perf_fast_forward.cc',
                'test/perf/perf_row_cache_update.cc',
                'test/perf/perf_simple_query.cc',
                'test/perf/perf_sstable.cc',
                'test/perf/perf_tablets.cc',
                'test/perf/perf.cc',
                'test/lib/alternator_test_env.cc',
                'test/lib/cql_test_env.cc',
                'test/lib/log.cc',
                'test/lib/test_services.cc',
                'test/lib/test_utils.cc',
                'test/lib/tmpdir.cc',
                'test/lib/key_utils.cc',
                'test/lib/random_schema.cc',
                'test/lib/data_model.cc',
                'seastar/tests/perf/linux_perf_event.cc']

deps = {
    'scylla': idls + ['main.cc'] + scylla_core + api + alternator + redis + scylla_tools + scylla_perfs,
}

pure_boost_tests = set([
    'test/boost/anchorless_list_test',
    'test/boost/auth_passwords_test',
    'test/boost/auth_resource_test',
    'test/boost/big_decimal_test',
    'test/boost/caching_options_test',
    'test/boost/cartesian_product_test',
    'test/boost/checksum_utils_test',
    'test/boost/chunked_vector_test',
    'test/boost/compress_test',
    'test/boost/cql_auth_syntax_test',
    'test/boost/crc_test',
    'test/boost/duration_test',
    'test/boost/dynamic_bitset_test',
    'test/boost/enum_option_test',
    'test/boost/enum_set_test',
    'test/boost/idl_test',
    'test/boost/json_test',
    'test/boost/keys_test',
    'test/boost/like_matcher_test',
    'test/boost/linearizing_input_stream_test',
    'test/boost/map_difference_test',
    'test/boost/nonwrapping_interval_test',
    'test/boost/observable_test',
    'test/boost/wrapping_interval_test',
    'test/boost/range_tombstone_list_test',
    'test/boost/serialization_test',
    'test/boost/small_vector_test',
    'test/boost/top_k_test',
    'test/boost/vint_serialization_test',
    'test/boost/bptree_test',
    'test/boost/utf8_test',
    'test/boost/string_format_test',
    'test/manual/streaming_histogram_test',
])

tests_not_using_seastar_test_framework = set([
    'test/boost/alternator_unit_test',
    'test/boost/small_vector_test',
    'test/manual/gossip',
    'test/manual/message',
    'test/perf/memory_footprint_test',
    'test/perf/perf_cache_eviction',
    'test/perf/perf_cql_parser',
    'test/perf/perf_hash',
    'test/perf/perf_mutation',
    'test/perf/perf_collection',
    'test/perf/logalloc',
    'test/unit/lsa_async_eviction_test',
    'test/unit/lsa_sync_eviction_test',
    'test/unit/row_cache_alloc_stress_test',
    'test/unit/bptree_stress_test',
    'test/unit/btree_stress_test',
    'test/unit/bptree_compaction_test',
    'test/unit/btree_compaction_test',
    'test/unit/radix_tree_stress_test',
    'test/unit/radix_tree_compaction_test',
    'test/manual/sstable_scan_footprint_test',
    'test/unit/cross_shard_barrier_test',
]) | pure_boost_tests


COVERAGE_INST_FLAGS = ['-fprofile-instr-generate', '-fcoverage-mapping', f'-fprofile-list=./{PROFILES_LIST_FILE_NAME}']
if args.coverage:
    for _, mode in filter(lambda m: m[0] != "coverage", modes.items()):
        mode['cxx_ld_flags'] += ' ' + ' '.join(COVERAGE_INST_FLAGS)
        mode['cxx_ld_flags'] = mode['cxx_ld_flags'].strip()
        mode['cxxflags'] += ' ' + ' '.join(COVERAGE_INST_FLAGS)
        mode['cxxflags'] = mode['cxxflags'].strip()

for t in tests_not_using_seastar_test_framework:
    if t not in scylla_tests:
        raise Exception("Test %s not found in scylla_tests" % (t))

for t in sorted(scylla_tests):
    deps[t] = [t + '.cc']
    if t not in tests_not_using_seastar_test_framework:
        deps[t] += scylla_tests_dependencies
    else:
        deps[t] += scylla_core + alternator + idls + scylla_tests_generic_dependencies

perf_tests_seastar_deps = [
    'seastar/tests/perf/perf_tests.cc'
]

for t in sorted(perf_tests):
    deps[t] = [t + '.cc'] + scylla_tests_dependencies + perf_tests_seastar_deps
    deps[t] += ['test/perf/perf.cc', 'seastar/tests/perf/linux_perf_event.cc']

deps['test/boost/mutation_reader_test'] += ['test/lib/dummy_sharder.cc' ]
deps['test/boost/multishard_combining_reader_as_mutation_source_test'] += ['test/lib/dummy_sharder.cc' ]

deps['test/boost/bytes_ostream_test'] = [
    "test/boost/bytes_ostream_test.cc",
    "bytes.cc",
    "utils/managed_bytes.cc",
    "utils/logalloc.cc",
    "utils/dynamic_bitset.cc",
    "test/lib/log.cc",
]
deps['test/boost/input_stream_test'] = ['test/boost/input_stream_test.cc']
deps['test/boost/UUID_test'] = ['utils/UUID_gen.cc', 'test/boost/UUID_test.cc', 'utils/uuid.cc', 'utils/dynamic_bitset.cc', 'utils/hashers.cc', 'utils/on_internal_error.cc']
deps['test/boost/murmur_hash_test'] = ['bytes.cc', 'utils/murmur_hash.cc', 'test/boost/murmur_hash_test.cc']
deps['test/boost/allocation_strategy_test'] = ['test/boost/allocation_strategy_test.cc', 'utils/logalloc.cc', 'utils/dynamic_bitset.cc']
deps['test/boost/log_heap_test'] = ['test/boost/log_heap_test.cc']
deps['test/boost/estimated_histogram_test'] = ['test/boost/estimated_histogram_test.cc']
deps['test/boost/summary_test'] = ['test/boost/summary_test.cc']
deps['test/boost/anchorless_list_test'] = ['test/boost/anchorless_list_test.cc']
deps['test/perf/perf_commitlog'] += ['test/perf/perf.cc', 'seastar/tests/perf/linux_perf_event.cc']
deps['test/perf/perf_row_cache_reads'] += ['test/perf/perf.cc', 'seastar/tests/perf/linux_perf_event.cc']
deps['test/boost/reusable_buffer_test'] = [
    "test/boost/reusable_buffer_test.cc",
    "test/lib/log.cc",
]
deps['test/boost/utf8_test'] = ['utils/utf8.cc', 'test/boost/utf8_test.cc']
deps['test/boost/small_vector_test'] = ['test/boost/small_vector_test.cc']
deps['test/boost/vint_serialization_test'] = ['test/boost/vint_serialization_test.cc', 'vint-serialization.cc', 'bytes.cc']
deps['test/boost/linearizing_input_stream_test'] = [
    "test/boost/linearizing_input_stream_test.cc",
    "test/lib/log.cc",
]
deps['test/boost/expr_test'] = ['test/boost/expr_test.cc', 'test/lib/expr_test_utils.cc'] + scylla_core
deps['test/boost/rate_limiter_test'] = ['test/boost/rate_limiter_test.cc', 'db/rate_limiter.cc']
deps['test/boost/exceptions_optimized_test'] = ['test/boost/exceptions_optimized_test.cc', 'utils/exceptions.cc']
deps['test/boost/exceptions_fallback_test'] = ['test/boost/exceptions_fallback_test.cc', 'utils/exceptions.cc']

deps['test/boost/duration_test'] += ['test/lib/exception_utils.cc']
deps['test/boost/schema_loader_test'] += ['tools/schema_loader.cc']
deps['test/boost/rust_test'] += ['rust/inc/src/lib.rs']

deps['test/boost/group0_cmd_merge_test'] += ['test/lib/expr_test_utils.cc']

deps['test/raft/replication_test'] = ['test/raft/replication_test.cc', 'test/raft/replication.cc', 'test/raft/helpers.cc'] + scylla_raft_dependencies
deps['test/raft/raft_server_test'] = ['test/raft/raft_server_test.cc', 'test/raft/replication.cc', 'test/raft/helpers.cc'] + scylla_raft_dependencies
deps['test/raft/randomized_nemesis_test'] = ['test/raft/randomized_nemesis_test.cc', 'direct_failure_detector/failure_detector.cc', 'test/raft/helpers.cc'] + scylla_raft_dependencies
deps['test/raft/failure_detector_test'] = ['test/raft/failure_detector_test.cc', 'direct_failure_detector/failure_detector.cc', 'test/raft/helpers.cc'] + scylla_raft_dependencies
deps['test/raft/many_test'] = ['test/raft/many_test.cc', 'test/raft/replication.cc', 'test/raft/helpers.cc'] + scylla_raft_dependencies
deps['test/raft/fsm_test'] =  ['test/raft/fsm_test.cc', 'test/raft/helpers.cc', 'test/lib/log.cc'] + scylla_raft_dependencies
deps['test/raft/etcd_test'] =  ['test/raft/etcd_test.cc', 'test/raft/helpers.cc', 'test/lib/log.cc'] + scylla_raft_dependencies
deps['test/raft/raft_sys_table_storage_test'] = ['test/raft/raft_sys_table_storage_test.cc'] + \
    scylla_core + scylla_tests_generic_dependencies
deps['test/raft/raft_address_map_test'] = ['test/raft/raft_address_map_test.cc'] + scylla_core
deps['test/raft/discovery_test'] =  ['test/raft/discovery_test.cc',
                                     'test/raft/helpers.cc',
                                     'test/lib/log.cc',
                                     'service/raft/discovery.cc'] + scylla_raft_dependencies

wasm_deps = {}

wasm_deps['wasm/return_input.wat'] = 'test/resource/wasm/rust/return_input.rs'
wasm_deps['wasm/test_short_ints.wat'] = 'test/resource/wasm/rust/test_short_ints.rs'
wasm_deps['wasm/test_complex_null_values.wat'] = 'test/resource/wasm/rust/test_complex_null_values.rs'
wasm_deps['wasm/test_functions_with_frozen_types.wat'] = 'test/resource/wasm/rust/test_functions_with_frozen_types.rs'
wasm_deps['wasm/test_types_with_and_without_nulls.wat'] = 'test/resource/wasm/rust/test_types_with_and_without_nulls.rs'

wasm_deps['wasm/test_fib_called_on_null.wat'] = 'test/resource/wasm/c/test_fib_called_on_null.c'
wasm_deps['wasm/test_mem_grow.wat'] = 'test/resource/wasm/c/test_mem_grow.c'
wasm_deps['wasm/test_pow.wat'] = 'test/resource/wasm/c/test_pow.c'
wasm_deps['wasm/test_UDA_final.wat'] = 'test/resource/wasm/c/test_UDA_final.c'
wasm_deps['wasm/test_UDA_scalar.wat'] = 'test/resource/wasm/c/test_UDA_scalar.c'
wasm_deps['wasm/test_word_double.wat'] = 'test/resource/wasm/c/test_word_double.c'


def get_warning_options(cxx):
    warnings = [
        '-Wall',
        '-Werror',
        '-Wextra',
        '-Wimplicit-fallthrough',
        '-Wno-mismatched-tags',  # clang-only
        '-Wno-c++11-narrowing',
        '-Wno-overloaded-virtual',
        '-Wno-unused-parameter',
        '-Wno-unsupported-friend',
        '-Wno-missing-field-initializers',
        '-Wno-deprecated-copy',
        # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77728
        '-Wno-psabi',
        '-Wno-enum-constexpr-conversion',
    ]

    warnings = [w
                for w in warnings
                if flag_supported(flag=w, compiler=cxx)]

    return ' '.join(warnings + ['-Wno-error=deprecated-declarations'])


def get_clang_inline_threshold():
    if args.clang_inline_threshold != -1:
        return args.clang_inline_threshold
    elif platform.machine() == 'aarch64':
        # we see miscompiles with 1200 and above with format("{}", uuid)
        # also coroutine miscompiles with 600
        return 300
    else:
        return 2500

for mode_level in args.mode_o_levels:
    ( mode, level ) = mode_level.split('=', 2)
    if mode not in modes:
        raise Exception(f'Mode {mode} is missing, cannot configure optimization level for it')
    modes[mode]['optimization-level'] = level

linker_flags = linker_flags(compiler=args.cxx)

tests_link_rule = 'link' if args.tests_debuginfo else 'link_stripped'
perf_tests_link_rule = 'link' if args.perf_tests_debuginfo else 'link_stripped'

# Strip if debuginfo is disabled, otherwise we end up with partial
# debug info from the libraries we static link with
regular_link_rule = 'link' if args.debuginfo else 'link_stripped'

has_sanitize_address_use_after_scope = try_compile(compiler=args.cxx, flags=['-fsanitize-address-use-after-scope'], source='int f() {}')

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)

selected_modes = args.selected_modes or modes.keys()
default_modes = args.selected_modes or [mode for mode, mode_cfg in modes.items() if mode_cfg["default"]]
build_modes =  {m: modes[m] for m in selected_modes}

if args.artifacts:
    build_artifacts = set()
    for artifact in args.artifacts:
        if artifact in all_artifacts:
            build_artifacts.add(artifact)
        else:
            print("Ignoring unknown build artifact: {}".format(artifact))
    if not build_artifacts:
        print("No artifacts to build, exiting")
        exit(1)
else:
    build_artifacts = all_artifacts


def generate_version(date_stamp):
    date_stamp_opt = ''
    if date_stamp:
        date_stamp_opt = f'--date-stamp {date_stamp}'
    status = subprocess.call(f"./SCYLLA-VERSION-GEN --output-dir {outdir} {date_stamp_opt}", shell=True)
    if status != 0:
        print('Version file generation failed')
        sys.exit(1)

    with open(f'{outdir}/SCYLLA-VERSION-FILE', 'r') as f:
        scylla_version = f.read().strip().replace('-', '~')
    with open(f'{outdir}/SCYLLA-RELEASE-FILE', 'r') as f:
        scylla_release = f.read().strip()
    with open(f'{outdir}/SCYLLA-PRODUCT-FILE', 'r') as f:
        scylla_product = f.read().strip()
    return scylla_product, scylla_version, scylla_release


# The relocatable package includes its own dynamic linker. We don't
# know the path it will be installed to, so for now use a very long
# path so that patchelf doesn't need to edit the program headers.  The
# kernel imposes a limit of 4096 bytes including the null. The other
# constraint is that the build-id has to be in the first page, so we
# can't use all 4096 bytes for the dynamic linker.
# In here we just guess that 2000 extra / should be enough to cover
# any path we get installed to but not so large that the build-id is
# pushed to the second page.
# At the end of the build we check that the build-id is indeed in the
# first page. At install time we check that patchelf doesn't modify
# the program headers.
def dynamic_linker_option():
    gcc_linker_output = subprocess.check_output(['gcc', '-###', '/dev/null', '-o', 't'], stderr=subprocess.STDOUT).decode('utf-8')
    original_dynamic_linker = re.search('-dynamic-linker ([^ ]*)', gcc_linker_output).groups()[0]

    employ_ld_trickery = True
    # distro-specific setup
    if os.environ.get('NIX_CC'):
        employ_ld_trickery = False

    if employ_ld_trickery:
        # gdb has a SO_NAME_MAX_PATH_SIZE of 512, so limit the path size to
        # that. The 512 includes the null at the end, hence the 511 below.
        dynamic_linker = '/' * (511 - len(original_dynamic_linker)) + original_dynamic_linker
    else:
        dynamic_linker = original_dynamic_linker
    return f'--dynamic-linker={dynamic_linker}'

forced_ldflags = '-Wl,'

# The default build-id used by lld is xxhash, which is 8 bytes long, but RPM
# requires build-ids to be at least 16 bytes long
# (https://github.com/rpm-software-management/rpm/issues/950), so let's
# explicitly ask for SHA1 build-ids.
forced_ldflags += '--build-id=sha1,'

forced_ldflags += dynamic_linker_option()

user_ldflags = forced_ldflags + ' ' + args.user_ldflags

curdir = os.getcwd()
user_cflags = args.user_cflags + f" -ffile-prefix-map={curdir}=."

if args.target != '':
    user_cflags += ' -march=' + args.target

for mode in modes:
    # Those flags are passed not only to Scylla objects, but also to libraries
    # that we compile ourselves.
    modes[mode]['lib_cflags'] = user_cflags
    modes[mode]['lib_ldflags'] = user_ldflags + linker_flags

# cmake likes to separate things with semicolons
def semicolon_separated(*flags):
    # original flags may be space separated, so convert to string still
    # using spaces
    f = ' '.join(flags)
    return re.sub(' +', ';', f)

def real_relpath(path, start):
    return os.path.relpath(os.path.realpath(path), os.path.realpath(start))

def configure_seastar(build_dir, mode, mode_config):
    seastar_build_dir = os.path.join(build_dir, mode, 'seastar')

    seastar_cxx_ld_flags = mode_config['cxx_ld_flags']
    # We want to "undo" coverage for seastar if we have it enabled.
    if args.coverage:
        for flag in COVERAGE_INST_FLAGS:
            seastar_cxx_ld_flags = seastar_cxx_ld_flags.replace(' ' + flag, '')
            seastar_cxx_ld_flags = seastar_cxx_ld_flags.replace(flag, '')
    seastar_cmake_args = [
        '-DCMAKE_BUILD_TYPE={}'.format(mode_config['cmake_build_type']),
        '-DCMAKE_C_COMPILER={}'.format(args.cc),
        '-DCMAKE_CXX_COMPILER={}'.format(args.cxx),
        '-DCMAKE_EXPORT_NO_PACKAGE_REGISTRY=ON',
        '-DCMAKE_CXX_STANDARD=20',
        '-DSeastar_CXX_FLAGS=SHELL:{}'.format(mode_config['lib_cflags']),
        '-DSeastar_LD_FLAGS={}'.format(semicolon_separated(mode_config['lib_ldflags'], seastar_cxx_ld_flags)),
        '-DSeastar_CXX_DIALECT=gnu++20',
        '-DSeastar_API_LEVEL=7',
        '-DSeastar_DEPRECATED_OSTREAM_FORMATTERS=OFF',
        '-DSeastar_UNUSED_RESULT_ERROR=ON',
        '-DCMAKE_EXPORT_COMPILE_COMMANDS=ON',
        '-DSeastar_SCHEDULING_GROUPS_COUNT=16',
        '-DSeastar_IO_URING=OFF', # io_uring backend is not stable enough
    ]

    if args.stack_guards is not None:
        stack_guards = 'ON' if args.stack_guards else 'OFF'
        seastar_cmake_args += ['-DSeastar_STACK_GUARDS={}'.format(stack_guards)]

    dpdk = args.dpdk
    if dpdk is None:
        dpdk = platform.machine() == 'x86_64' and mode == 'release'
    if dpdk:
        seastar_cmake_args += ['-DSeastar_DPDK=ON', '-DSeastar_DPDK_MACHINE=westmere']
    if args.split_dwarf:
        seastar_cmake_args += ['-DSeastar_SPLIT_DWARF=ON']
    if args.alloc_failure_injector:
        seastar_cmake_args += ['-DSeastar_ALLOC_FAILURE_INJECTION=ON']
    if args.seastar_debug_allocations:
        seastar_cmake_args += ['-DSeastar_DEBUG_ALLOCATIONS=ON']
    if modes[mode]['build_seastar_shared_libs']:
        seastar_cmake_args += ['-DBUILD_SHARED_LIBS=ON']

    seastar_cmd = ['cmake', '-G', 'Ninja', real_relpath(args.seastar_path, seastar_build_dir)] + seastar_cmake_args
    cmake_dir = seastar_build_dir
    if dpdk:
        # need to cook first
        cmake_dir = args.seastar_path # required by cooking.sh
        relative_seastar_build_dir = os.path.join('..', seastar_build_dir)  # relative to seastar/
        seastar_cmd = ['./cooking.sh', '-i', 'dpdk', '-d', relative_seastar_build_dir, '--'] + seastar_cmd[4:]

    if args.verbose:
        print(" \\\n  ".join(seastar_cmd))
    os.makedirs(seastar_build_dir, exist_ok=True)
    subprocess.check_call(seastar_cmd, shell=False, cwd=cmake_dir)


def configure_abseil(build_dir, mode, mode_config):
    abseil_cflags = mode_config['lib_cflags']
    if '-DSANITIZE' in mode_config['cxxflags']:
        abseil_cflags += ' -fsanitize=address -fsanitize=undefined -fno-sanitize=vptr'
    abseil_cflags = abseil_cflags.strip()

    # We want to "undo" coverage for abseil if we have it enabled, as we are not
    # interested in the coverage of the abseil library. these flags were previously
    # added to cxx_ld_flags
    if args.coverage:
        for flag in COVERAGE_INST_FLAGS:
            abseil_cflags = abseil_cflags.replace(f' {flag}', '')
    cmake_mode = mode_config['cmake_build_type']
    abseil_cmake_args = [
        '-DCMAKE_BUILD_TYPE={}'.format(cmake_mode),
        '-DCMAKE_INSTALL_PREFIX={}'.format(build_dir + '/inst'), # just to avoid a warning from absl
        '-DCMAKE_C_COMPILER={}'.format(args.cc),
        '-DCMAKE_CXX_COMPILER={}'.format(args.cxx),
        '-DCMAKE_CXX_FLAGS_{}={}'.format(cmake_mode.upper(), abseil_cflags),
        '-DCMAKE_EXPORT_COMPILE_COMMANDS=ON',
        '-DCMAKE_CXX_STANDARD=20',
        '-DABSL_PROPAGATE_CXX_STD=ON',
    ]

    abseil_build_dir = os.path.join(build_dir, mode, 'abseil')
    abseil_cmd = ['cmake', '-G', 'Ninja', real_relpath('abseil', abseil_build_dir)] + abseil_cmake_args

    os.makedirs(abseil_build_dir, exist_ok=True)
    subprocess.check_call(abseil_cmd, shell=False, cwd=abseil_build_dir)

abseil_libs = ['absl/' + lib for lib in [
    'container/libabsl_hashtablez_sampler.a',
    'container/libabsl_raw_hash_set.a',
    'synchronization/libabsl_synchronization.a',
    'synchronization/libabsl_graphcycles_internal.a',
    'debugging/libabsl_stacktrace.a',
    'debugging/libabsl_symbolize.a',
    'debugging/libabsl_debugging_internal.a',
    'debugging/libabsl_demangle_internal.a',
    'time/libabsl_time.a',
    'time/libabsl_time_zone.a',
    'numeric/libabsl_int128.a',
    'hash/libabsl_hash.a',
    'hash/libabsl_city.a',
    'hash/libabsl_low_level_hash.a',
    'base/libabsl_malloc_internal.a',
    'base/libabsl_spinlock_wait.a',
    'base/libabsl_base.a',
    'base/libabsl_raw_logging_internal.a',
    'profiling/libabsl_exponential_biased.a',
    'strings/libabsl_strings.a',
    'strings/libabsl_strings_internal.a',
    'base/libabsl_throw_delegate.a']]


def query_seastar_flags(pc_file, use_shared_libs, link_static_cxx=False):
    if use_shared_libs:
        opt = '--shared'
    else:
        opt = '--static'
    cflags = pkg_config(pc_file, '--cflags', opt)
    libs = pkg_config(pc_file, '--libs', opt)
    if use_shared_libs:
        rpath = os.path.dirname(libs.split()[0])
        libs = f"-Wl,-rpath='{rpath}' {libs}"
    if link_static_cxx:
        libs = libs.replace('-lstdc++ ', '')

    testing_libs = pkg_config(pc_file.replace('seastar.pc', 'seastar-testing.pc'), '--libs', '--static')
    return {'seastar_cflags': cflags,
            'seastar_libs': libs,
            'seastar_testing_libs': testing_libs}

pkgs = ['libsystemd',
        'jsoncpp']
# Lua can be provided by lua53 package on Debian-like
# systems and by Lua on others.
pkgs.append('lua53' if have_pkg('lua53') else 'lua')


libs = ' '.join([maybe_static(args.staticyamlcpp, '-lyaml-cpp'), '-latomic', '-llz4', '-lz', '-lsnappy',
                 ' -lstdc++fs', ' -lcrypt', ' -lcryptopp', ' -lpthread',
                 # Must link with static version of libzstd, since
                 # experimental APIs that we use are only present there.
                 maybe_static(True, '-lzstd'),
                 maybe_static(args.staticboost, '-lboost_date_time -lboost_regex -licuuc -licui18n'),
                 '-lxxhash',
                 '-ldeflate',
                ])

if not args.staticboost:
    user_cflags += ' -DBOOST_ALL_DYN_LINK'

if thrift_uses_boost_share_ptr():
    user_cflags += ' -DTHRIFT_USES_BOOST'

for pkg in pkgs:
    user_cflags += ' ' + pkg_config(pkg, '--cflags')
    libs += ' ' + pkg_config(pkg, '--libs')
user_cflags += ' -fvisibility=hidden'
user_ldflags += ' -fvisibility=hidden'
if args.staticcxx:
    user_ldflags += " -static-libstdc++"


def get_extra_cxxflags(mode, mode_config, cxx, debuginfo):
    cxxflags = []

    optimization_level = mode_config['optimization-level']
    cxxflags.append(f'-O{optimization_level}')

    if mode == 'release':
        optimization_flags = [
            '--param inline-unit-growth=300', # gcc
            f'-mllvm -inline-threshold={get_clang_inline_threshold()}',  # clang
            # clang generates 16-byte loads that break store-to-load forwarding
            # gcc also has some trouble: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103554
            '-fno-slp-vectorize',
        ]
        optimization_flags = [o
                              for o in optimization_flags
                              if flag_supported(flag=o, compiler=cxx)]
        cxxflags += optimization_flags

    if flag_supported(flag='-Wstack-usage=4096', compiler=cxx):
        stack_usage_threshold = mode_config['stack-usage-threshold']
        cxxflags += [f'-Wstack-usage={stack_usage_threshold}',
                     '-Wno-error=stack-usage=']

    cxxflags.append(f'-DSCYLLA_BUILD_MODE={mode}')

    if debuginfo and mode_config['can_have_debug_info']:
        cxxflags += ['-g', '-gz']

    return cxxflags


def get_release_cxxflags(scylla_product,
                         scylla_version,
                         scylla_release):
    definitions = {'SCYLLA_PRODUCT': scylla_product,
                   'SCYLLA_VERSION': scylla_version,
                   'SCYLLA_RELEASE': scylla_release}
    return [f'-D{name}="\\"{value}\\""' for name, value in definitions.items()]


def write_build_file(f,
                     arch,
                     ninja,
                     scylla_product,
                     scylla_version,
                     scylla_release,
                     args):
    warnings = get_warning_options(args.cxx)
    f.write(textwrap.dedent('''\
        configure_args = {configure_args}
        builddir = {outdir}
        cxx = {cxx}
        cxxflags = -std=gnu++20 {user_cflags} {warnings} {defines}
        ldflags = {linker_flags} {user_ldflags}
        ldflags_build = {linker_flags}
        libs = {libs}
        pool link_pool
            depth = {link_pool_depth}
        pool submodule_pool
            depth = 1
        rule gen
            command = echo -e $text > $out
            description = GEN $out
        rule swagger
            command = {seastar_path}/scripts/seastar-json2code.py --create-cc -f $in -o $out
            description = SWAGGER $out
        rule serializer
            command = {python} ./idl-compiler.py --ns ser -f $in -o $out
            description = IDL compiler $out
        rule ninja
            command = {ninja} -C $subdir $target
            restat = 1
            description = NINJA $out
        rule ragel
            # sed away a bug in ragel 7 that emits some extraneous _nfa* variables
            # (the $$ is collapsed to a single one by ninja)
            command = {ragel_exec} -G2 -o $out $in && sed -i -e '1h;2,$$H;$$!d;g' -re 's/static const char _nfa[^;]*;//g' $out
            description = RAGEL $out
        rule run
            command = $in > $out
            description = GEN $out
        rule copy
            command = cp --reflink=auto $in $out
            description = COPY $out
        rule strip
            command = scripts/strip.sh $in
        rule package
            command = scripts/create-relocatable-package.py --build-dir $builddir/$mode --node-exporter-dir $builddir/node_exporter --debian-dir $builddir/debian/debian $out
        rule stripped_package
            command = scripts/create-relocatable-package.py --stripped --build-dir $builddir/$mode --node-exporter-dir $builddir/node_exporter --debian-dir $builddir/debian/debian $out
        rule debuginfo_package
            command = dist/debuginfo/scripts/create-relocatable-package.py --build-dir $builddir/$mode --node-exporter-dir $builddir/node_exporter $out
        rule rpmbuild
            command = reloc/build_rpm.sh --reloc-pkg $in --builddir $out
        rule debbuild
            command = reloc/build_deb.sh --reloc-pkg $in --builddir $out
        rule unified
            command = unified/build_unified.sh --build-dir $builddir/$mode --unified-pkg $out
        rule rust_header
            command = cxxbridge --include rust/cxx.h --header $in > $out
            description = RUST_HEADER $out
        rule rust_source
            command = cxxbridge --include rust/cxx.h $in > $out
            description = RUST_SOURCE $out
        rule cxxbridge_header
            command = cxxbridge --header > $out
        rule c2wasm
            command = clang --target=wasm32 --no-standard-libraries -Wl,--export-all -Wl,--no-entry $in -o $out
            description = C2WASM $out
        rule rust2wasm
            command = cargo build --target=wasm32-wasi --example=$example --locked --manifest-path=test/resource/wasm/rust/Cargo.toml --target-dir=$builddir/wasm/ $
                && wasm-opt -Oz $builddir/wasm/wasm32-wasi/debug/examples/$example.wasm -o $builddir/wasm/$example.wasm $
                && wasm-strip $builddir/wasm/$example.wasm
            description = RUST2WASM $out
        rule wasm2wat
            command = wasm2wat $in > $out
            description = WASM2WAT $out
        ''').format(configure_args=configure_args,
                    outdir=outdir,
                    cxx=args.cxx,
                    user_cflags=user_cflags,
                    warnings=warnings,
                    defines=defines,
                    linker_flags=linker_flags,
                    user_ldflags=user_ldflags,
                    libs=libs,
                    link_pool_depth=link_pool_depth,
                    python=args.python,
                    seastar_path=args.seastar_path,
                    ninja=ninja,
                    ragel_exec=args.ragel_exec))

    for binary in sorted(wasms):
        src = wasm_deps[binary]
        wasm = binary[:-4] + '.wasm'
        if src.endswith('.rs'):
            f.write(f'build $builddir/{wasm}: rust2wasm {src} | test/resource/wasm/rust/Cargo.lock test/resource/wasm/rust/build.rs\n')
            example_name = binary[binary.rindex('/')+1:-4]
            f.write(f'   example = {example_name}\n')
        else:
            f.write(f'build $builddir/{wasm}: c2wasm {src}\n')
        f.write(f'build $builddir/{binary}: wasm2wat $builddir/{wasm}\n')

    for mode in build_modes:
        modeval = modes[mode]

        fmt_lib = 'fmt'
        f.write(textwrap.dedent('''\
            cxx_ld_flags_{mode} = {cxx_ld_flags}
            ld_flags_{mode} = $cxx_ld_flags_{mode} {lib_ldflags}
            cxxflags_{mode} = {lib_cflags} {cxxflags} -iquote. -iquote $builddir/{mode}/gen
            libs_{mode} = -l{fmt_lib}
            seastar_libs_{mode} = {seastar_libs}
            seastar_testing_libs_{mode} = {seastar_testing_libs}
            rule cxx.{mode}
              command = $cxx -MD -MT $out -MF $out.d {seastar_cflags} $cxxflags_{mode} $cxxflags $obj_cxxflags -c -o $out $in
              description = CXX $out
              depfile = $out.d
            rule link.{mode}
              command = $cxx  $ld_flags_{mode} $ldflags -o $out $in $libs $libs_{mode}
              description = LINK $out
              pool = link_pool
            rule link_stripped.{mode}
              command = $cxx  $ld_flags_{mode} -s $ldflags -o $out $in $libs $libs_{mode}
              description = LINK (stripped) $out
              pool = link_pool
            rule link_build.{mode}
              command = $cxx  $ld_flags_{mode} $ldflags_build -o $out $in $libs $libs_{mode}
              description = LINK (build) $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
                restat = 1
            rule antlr3.{mode}
                # We replace many local `ExceptionBaseType* ex` variables with a single function-scope one.
                # Because we add such a variable to every function, and because `ExceptionBaseType` is not a global
                # name, we also add a global typedef to avoid compilation errors.
                command = sed -e '/^#if 0/,/^#endif/d' $in > $builddir/{mode}/gen/$in $
                     && {antlr3_exec} $builddir/{mode}/gen/$in $
                     && sed -i -e '/^.*On :.*$$/d' $builddir/{mode}/gen/${{stem}}Lexer.hpp $
                     && sed -i -e '/^.*On :.*$$/d' $builddir/{mode}/gen/${{stem}}Lexer.cpp $
                     && sed -i -e '/^.*On :.*$$/d' $builddir/{mode}/gen/${{stem}}Parser.hpp $
                     && sed -i -e 's/^\\( *\\)\\(ImplTraits::CommonTokenType\\* [a-zA-Z0-9_]* = NULL;\\)$$/\\1const \\2/' $
                        -e '/^.*On :.*$$/d' $
                        -e '1i using ExceptionBaseType = int;' $
                        -e 's/^{{/{{ ExceptionBaseType\\* ex = nullptr;/; $
                            s/ExceptionBaseType\\* ex = new/ex = new/; $
                            s/exceptions::syntax_exception e/exceptions::syntax_exception\\& e/' $
                        $builddir/{mode}/gen/${{stem}}Parser.cpp
                description = ANTLR3 $in
            rule checkhh.{mode}
              command = $cxx -MD -MT $out -MF $out.d {seastar_cflags} $cxxflags $cxxflags_{mode} $obj_cxxflags --include $in -c -o $out $builddir/{mode}/gen/empty.cc
              description = CHECKHH $in
              depfile = $out.d
            rule test.{mode}
              command = ./test.py --mode={mode} --repeat={test_repeat} --timeout={test_timeout}
              pool = console
              description = TEST {mode}
            rule rust_lib.{mode}
              command = CARGO_BUILD_DEP_INFO_BASEDIR='.' cargo build --locked --manifest-path=rust/Cargo.toml --target-dir=$builddir/{mode} --profile=rust-{mode} $
                        && touch $out
              description = RUST_LIB $out
            ''').format(mode=mode, antlr3_exec=args.antlr3_exec, fmt_lib=fmt_lib, test_repeat=args.test_repeat, test_timeout=args.test_timeout, **modeval))
        f.write(
            'build {mode}-build: phony {artifacts} {wasms}\n'.format(
                mode=mode,
                artifacts=str.join(' ', ['$builddir/' + mode + '/' + x for x in sorted(build_artifacts - wasms)]),
                wasms = str.join(' ', ['$builddir/' + x for x in sorted(build_artifacts & wasms)]),
            )
        )
        include_cxx_target = f'{mode}-build' if not args.dist_only else ''
        include_dist_target = f'dist-{mode}' if args.enable_dist is None or args.enable_dist else ''
        f.write(f'build {mode}: phony {include_cxx_target} {include_dist_target}\n')
        compiles = {}
        swaggers = set()
        serializers = {}
        thrifts = set()
        ragels = {}
        antlr3_grammars = set()
        rust_headers = {}
        seastar_lib_ext = 'so' if modeval['build_seastar_shared_libs'] else 'a'
        seastar_dep = f'$builddir/{mode}/seastar/libseastar.{seastar_lib_ext}'
        seastar_testing_dep = f'$builddir/{mode}/seastar/libseastar_testing.{seastar_lib_ext}'
        abseil_dep = ' '.join(f'$builddir/{mode}/abseil/{lib}' for lib in abseil_libs)
        for binary in sorted(build_artifacts):
            if binary in other or binary in wasms:
                continue
            srcs = deps[binary]
            objs = ['$builddir/' + mode + '/' + src.replace('.cc', '.o')
                    for src in srcs
                    if src.endswith('.cc')]
            objs.append('$builddir/../utils/arch/powerpc/crc32-vpmsum/crc32.S')
            has_thrift = False
            has_rust = False
            for dep in deps[binary]:
                if isinstance(dep, Thrift):
                    has_thrift = True
                    objs += dep.objects('$builddir/' + mode + '/gen')
                if isinstance(dep, Antlr3Grammar):
                    objs += dep.objects(f'$builddir/{mode}/gen')
                if isinstance(dep, Json2Code):
                    objs += dep.objects(f'$builddir/{mode}/gen')
                if dep.endswith('.rs'):
                    has_rust = True
                    idx = dep.rindex('/src/')
                    obj = dep[:idx].replace('rust/','') + '.o'
                    objs.append(f'$builddir/{mode}/gen/rust/{obj}')
            if has_rust:
                objs.append(f'$builddir/{mode}/rust-{mode}/librust_combined.a')
            local_libs = f'$seastar_libs_{mode} $libs'
            if has_thrift:
                local_libs += ' ' + maybe_static(args.staticthrift, '-lthrift')
                local_libs += ' ' + maybe_static(args.staticboost, '-lboost_system')
            objs.extend([f'$builddir/{mode}/abseil/{lib}' for lib in abseil_libs])
            if binary in tests:
                if binary in pure_boost_tests:
                    local_libs += ' ' + maybe_static(args.staticboost, '-lboost_unit_test_framework')
                if binary not in tests_not_using_seastar_test_framework:
                    local_libs += ' ' + f"$seastar_testing_libs_{mode}"
                else:
                    local_libs += ' ' + '-lgnutls' + ' ' + '-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"
                link_rule = perf_tests_link_rule if binary.startswith('test/perf/') else tests_link_rule
                f.write('build $builddir/{}/{}: {}.{} {} | {} {} {}\n'.format(mode, binary, link_rule, mode, str.join(' ', objs), seastar_dep, seastar_testing_dep, abseil_dep))
                f.write('   libs = {}\n'.format(local_libs))
                f.write('build $builddir/{}/{}_g: {}.{} {} | {} {} {}\n'.format(mode, binary, regular_link_rule, mode, str.join(' ', objs), seastar_dep, seastar_testing_dep, abseil_dep))
                f.write('   libs = {}\n'.format(local_libs))
            else:
                if binary == 'scylla':
                    local_libs += ' ' + "$seastar_testing_libs_{}".format(mode)
                f.write('build $builddir/{}/{}: {}.{} {} | {} {} {}\n'.format(mode, binary, regular_link_rule, mode, str.join(' ', objs), seastar_dep, seastar_testing_dep, abseil_dep))
                f.write('   libs = {}\n'.format(local_libs))
                f.write(f'build $builddir/{mode}/{binary}.stripped: strip $builddir/{mode}/{binary}\n')
                f.write(f'build $builddir/{mode}/{binary}.debug: phony $builddir/{mode}/{binary}.stripped\n')
            for src in srcs:
                if src.endswith('.cc'):
                    obj = '$builddir/' + mode + '/' + src.replace('.cc', '.o')
                    compiles[obj] = src
                elif src.endswith('.idl.hh'):
                    hh = '$builddir/' + mode + '/gen/' + src.replace('.idl.hh', '.dist.hh')
                    serializers[hh] = src
                elif src.endswith('.json'):
                    swaggers.add(src)
                elif src.endswith('.rl'):
                    hh = '$builddir/' + mode + '/gen/' + src.replace('.rl', '.hh')
                    ragels[hh] = src
                elif src.endswith('.thrift'):
                    thrifts.add(src)
                elif src.endswith('.g'):
                    antlr3_grammars.add(src)
                elif src.endswith('.rs'):
                    idx = src.rindex('/src/')
                    hh = '$builddir/' + mode + '/gen/' + src[:idx] + '.hh'
                    rust_headers[hh] = src
                else:
                    raise Exception('No rule for ' + src)
        f.write(
            'build {mode}-objects: phony {objs}\n'.format(
                mode=mode,
                objs=' '.join(compiles)
            )
        )

        headers = find_headers('.', excluded_dirs=['idl', 'build', 'seastar', '.git'])
        f.write(
            'build {mode}-headers: phony {header_objs}\n'.format(
                mode=mode,
                header_objs=' '.join(["$builddir/{mode}/{hh}.o".format(mode=mode, hh=hh) for hh in headers])
            )
        )

        f.write(
            'build {mode}-test: test.{mode} {test_executables} $builddir/{mode}/scylla {wasms}\n'.format(
                mode=mode,
                test_executables=' '.join(['$builddir/{}/{}'.format(mode, binary) for binary in sorted(tests)]),
                wasms=' '.join([f'$builddir/{binary}' for binary in sorted(wasms)]),
            )
        )
        f.write(
            'build {mode}-check: phony {mode}-headers {mode}-test\n'.format(
                mode=mode,
            )
        )
        compiler_training_artifacts=[]
        if mode == 'dev':
            compiler_training_artifacts.append(f'$builddir/{mode}/scylla')
        elif mode == 'release' or mode == 'debug':
            compiler_training_artifacts.append(f'$builddir/{mode}/service/storage_proxy.o')
        f.write(
            'build {mode}-compiler-training: phony {artifacts}\n'.format(
                mode=mode,
                artifacts=str.join(' ', compiler_training_artifacts)
            )
        )

        gen_dir = '$builddir/{}/gen'.format(mode)
        gen_headers = []
        for th in thrifts:
            gen_headers += th.headers('$builddir/{}/gen'.format(mode))
        for g in antlr3_grammars:
            gen_headers += g.headers('$builddir/{}/gen'.format(mode))
        for g in swaggers:
            gen_headers += g.headers('$builddir/{}/gen'.format(mode))
        gen_headers += list(serializers.keys())
        gen_headers += list(ragels.keys())
        gen_headers += list(rust_headers.keys())
        gen_headers.append('$builddir/{}/gen/rust/cxx.h'.format(mode))
        gen_headers_dep = ' '.join(gen_headers)

        for obj in compiles:
            src = compiles[obj]
            f.write('build {}: cxx.{} {} || {} {}\n'.format(obj, mode, src, seastar_dep, gen_headers_dep))
            if src in modeval['per_src_extra_cxxflags']:
                f.write('    cxxflags = {seastar_cflags} $cxxflags $cxxflags_{mode} {extra_cxxflags}\n'.format(mode=mode, extra_cxxflags=modeval["per_src_extra_cxxflags"][src], **modeval))
        for swagger in swaggers:
            hh = swagger.headers(gen_dir)[0]
            cc = swagger.sources(gen_dir)[0]
            obj = swagger.objects(gen_dir)[0]
            src = swagger.source
            f.write('build {} | {} : swagger {} | {}/scripts/seastar-json2code.py\n'.format(hh, cc, src, args.seastar_path))
            f.write('build {}: cxx.{} {}\n'.format(obj, mode, cc))
        for hh in serializers:
            src = serializers[hh]
            f.write('build {}: serializer {} | idl-compiler.py\n'.format(hh, src))
        for hh in ragels:
            src = ragels[hh]
            f.write('build {}: ragel {}\n'.format(hh, src))
        for hh in rust_headers:
            src = rust_headers[hh]
            f.write('build {}: rust_header {}\n'.format(hh, src))
            cc = hh.replace('.hh', '.cc')
            f.write('build {}: rust_source {}\n'.format(cc, src))
            obj = cc.replace('.cc', '.o')
            f.write('build {}: cxx.{} {} || {}\n'.format(obj, mode, cc, gen_headers_dep))
        f.write('build {}: cxxbridge_header\n'.format('$builddir/{}/gen/rust/cxx.h'.format(mode)))
        librust = '$builddir/{}/rust-{}/librust_combined'.format(mode, mode)
        f.write('build {}.a: rust_lib.{} rust/Cargo.lock\n  depfile={}.d\n'.format(librust, mode, librust))
        for thrift in thrifts:
            outs = ' '.join(thrift.generated('$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, ' '.join(serializers)))
                flags = '-Wno-parentheses-equality'
                if cc.endswith('Parser.cpp'):
                    # Unoptimized parsers end up using huge amounts of stack space and overflowing their stack
                    flags += ' -O1' if modes[mode]['optimization-level'] in ['0', 'g', 's'] else ''

                    if '-DSANITIZE' in modeval['cxxflags'] and has_sanitize_address_use_after_scope:
                        flags += ' -fno-sanitize-address-use-after-scope'
                f.write(f'  obj_cxxflags = {flags}\n')
        f.write(f'build $builddir/{mode}/gen/empty.cc: gen\n')
        for hh in headers:
            f.write('build $builddir/{mode}/{hh}.o: checkhh.{mode} {hh} | $builddir/{mode}/gen/empty.cc || {gen_headers_dep}\n'.format(
                    mode=mode, hh=hh, gen_headers_dep=gen_headers_dep))

        f.write('build {seastar_dep}: ninja $builddir/{mode}/seastar/build.ninja | always\n'
                .format(**locals()))
        f.write('  pool = submodule_pool\n')
        f.write('  subdir = $builddir/{mode}/seastar\n'.format(**locals()))
        f.write('  target = seastar\n'.format(**locals()))
        f.write('build {seastar_testing_dep}: ninja $builddir/{mode}/seastar/build.ninja | always\n'
                .format(**locals()))
        f.write('  pool = submodule_pool\n')
        f.write('  subdir = $builddir/{mode}/seastar\n'.format(**locals()))
        f.write('  target = seastar_testing\n'.format(**locals()))
        f.write('build $builddir/{mode}/seastar/apps/iotune/iotune: ninja $builddir/{mode}/seastar/build.ninja\n'
                .format(**locals()))
        f.write('  pool = submodule_pool\n')
        f.write('  subdir = $builddir/{mode}/seastar\n'.format(**locals()))
        f.write('  target = iotune\n'.format(**locals()))
        f.write(textwrap.dedent('''\
            build $builddir/{mode}/iotune: copy $builddir/{mode}/seastar/apps/iotune/iotune
            build $builddir/{mode}/iotune.stripped: strip $builddir/{mode}/iotune
            build $builddir/{mode}/iotune.debug: phony $builddir/{mode}/iotune.stripped
            ''').format(**locals()))
        if args.dist_only:
            include_scylla_and_iotune = ''
            include_scylla_and_iotune_stripped = ''
            include_scylla_and_iotune_debug = ''
        else:
            include_scylla_and_iotune = f'$builddir/{mode}/scylla $builddir/{mode}/iotune'
            include_scylla_and_iotune_stripped = f'$builddir/{mode}/scylla.stripped $builddir/{mode}/iotune.stripped'
            include_scylla_and_iotune_debug = f'$builddir/{mode}/scylla.debug $builddir/{mode}/iotune.debug'
        f.write('build $builddir/{mode}/dist/tar/{scylla_product}-unstripped-{scylla_version}-{scylla_release}.{arch}.tar.gz: package {include_scylla_and_iotune} $builddir/SCYLLA-RELEASE-FILE $builddir/SCYLLA-VERSION-FILE $builddir/debian/debian $builddir/node_exporter/node_exporter | always\n'.format(**locals()))
        f.write('  mode = {mode}\n'.format(**locals()))
        f.write('build $builddir/{mode}/dist/tar/{scylla_product}-{scylla_version}-{scylla_release}.{arch}.tar.gz: stripped_package {include_scylla_and_iotune_stripped} $builddir/SCYLLA-RELEASE-FILE $builddir/SCYLLA-VERSION-FILE $builddir/debian/debian $builddir/node_exporter/node_exporter.stripped | always\n'.format(**locals()))
        f.write('  mode = {mode}\n'.format(**locals()))
        f.write('build $builddir/{mode}/dist/tar/{scylla_product}-debuginfo-{scylla_version}-{scylla_release}.{arch}.tar.gz: debuginfo_package {include_scylla_and_iotune_debug} $builddir/SCYLLA-RELEASE-FILE $builddir/SCYLLA-VERSION-FILE $builddir/debian/debian $builddir/node_exporter/node_exporter.debug | always\n'.format(**locals()))
        f.write('  mode = {mode}\n'.format(**locals()))
        f.write('build $builddir/{mode}/dist/tar/{scylla_product}-package.tar.gz: copy $builddir/{mode}/dist/tar/{scylla_product}-{scylla_version}-{scylla_release}.{arch}.tar.gz\n'.format(**locals()))
        f.write('  mode = {mode}\n'.format(**locals()))
        f.write('build $builddir/{mode}/dist/tar/{scylla_product}-{arch}-package.tar.gz: copy $builddir/{mode}/dist/tar/{scylla_product}-{scylla_version}-{scylla_release}.{arch}.tar.gz\n'.format(**locals()))
        f.write('  mode = {mode}\n'.format(**locals()))

        f.write(f'build $builddir/dist/{mode}/redhat: rpmbuild $builddir/{mode}/dist/tar/{scylla_product}-unstripped-{scylla_version}-{scylla_release}.{arch}.tar.gz\n')
        f.write(f'  mode = {mode}\n')
        f.write(f'build $builddir/dist/{mode}/debian: debbuild $builddir/{mode}/dist/tar/{scylla_product}-unstripped-{scylla_version}-{scylla_release}.{arch}.tar.gz\n')
        f.write(f'  mode = {mode}\n')
        f.write(f'build dist-server-{mode}: phony $builddir/dist/{mode}/redhat $builddir/dist/{mode}/debian\n')
        f.write(f'build dist-server-debuginfo-{mode}: phony $builddir/{mode}/dist/tar/{scylla_product}-debuginfo-{scylla_version}-{scylla_release}.{arch}.tar.gz\n')
        f.write(f'build dist-jmx-{mode}: phony $builddir/{mode}/dist/tar/{scylla_product}-jmx-{scylla_version}-{scylla_release}.noarch.tar.gz dist-jmx-rpm dist-jmx-deb\n')
        f.write(f'build dist-tools-{mode}: phony $builddir/{mode}/dist/tar/{scylla_product}-tools-{scylla_version}-{scylla_release}.noarch.tar.gz dist-tools-rpm dist-tools-deb\n')
        f.write(f'build dist-cqlsh-{mode}: phony $builddir/{mode}/dist/tar/{scylla_product}-cqlsh-{scylla_version}-{scylla_release}.noarch.tar.gz dist-cqlsh-rpm dist-cqlsh-deb\n')
        f.write(f'build dist-python3-{mode}: phony dist-python3-tar dist-python3-rpm dist-python3-deb\n')
        f.write(f'build dist-unified-{mode}: phony $builddir/{mode}/dist/tar/{scylla_product}-unified-{scylla_version}-{scylla_release}.{arch}.tar.gz\n')
        f.write(f'build $builddir/{mode}/dist/tar/{scylla_product}-unified-{scylla_version}-{scylla_release}.{arch}.tar.gz: unified $builddir/{mode}/dist/tar/{scylla_product}-{scylla_version}-{scylla_release}.{arch}.tar.gz $builddir/{mode}/dist/tar/{scylla_product}-python3-{scylla_version}-{scylla_release}.{arch}.tar.gz $builddir/{mode}/dist/tar/{scylla_product}-jmx-{scylla_version}-{scylla_release}.noarch.tar.gz $builddir/{mode}/dist/tar/{scylla_product}-tools-{scylla_version}-{scylla_release}.noarch.tar.gz $builddir/{mode}/dist/tar/{scylla_product}-cqlsh-{scylla_version}-{scylla_release}.noarch.tar.gz | always\n')
        f.write(f'  mode = {mode}\n')
        f.write(f'build $builddir/{mode}/dist/tar/{scylla_product}-unified-package-{scylla_version}-{scylla_release}.tar.gz: copy $builddir/{mode}/dist/tar/{scylla_product}-unified-{scylla_version}-{scylla_release}.{arch}.tar.gz\n')
        f.write(f'build $builddir/{mode}/dist/tar/{scylla_product}-unified-{arch}-package-{scylla_version}-{scylla_release}.tar.gz: copy $builddir/{mode}/dist/tar/{scylla_product}-unified-{scylla_version}-{scylla_release}.{arch}.tar.gz\n')

        for lib in abseil_libs:
            f.write('build $builddir/{mode}/abseil/{lib}: ninja $builddir/{mode}/abseil/build.ninja\n'.format(**locals()))
            f.write('  pool = submodule_pool\n')
            f.write('  subdir = $builddir/{mode}/abseil\n'.format(**locals()))
            f.write('  target = {lib}\n'.format(**locals()))

    checkheaders_mode = 'dev' if 'dev' in modes else modes.keys()[0]
    f.write('build checkheaders: phony || {}\n'.format(' '.join(['$builddir/{}/{}.o'.format(checkheaders_mode, hh) for hh in headers])))

    f.write(
            'build build: phony {}\n'.format(' '.join([f'{mode}-build' for mode in default_modes]))
    )
    f.write(
            'build test: phony {}\n'.format(' '.join(['{mode}-test'.format(mode=mode) for mode in default_modes]))
    )
    f.write(
            'build check: phony {}\n'.format(' '.join(['{mode}-check'.format(mode=mode) for mode in default_modes]))
    )
    f.write(
            'build wasm: phony {}\n'.format(' '.join([f'$builddir/{binary}' for binary in sorted(wasms)]))
    )
    f.write(
            'build compiler-training: phony {}\n'.format(' '.join(['{mode}-compiler-training'.format(mode=mode) for mode in default_modes]))
    )

    f.write(textwrap.dedent(f'''\
        build dist-unified-tar: phony {' '.join([f'$builddir/{mode}/dist/tar/{scylla_product}-unified-{scylla_version}-{scylla_release}.{arch}.tar.gz' for mode in default_modes])}
        build dist-unified: phony dist-unified-tar

        build dist-server-deb: phony {' '.join(['$builddir/dist/{mode}/debian'.format(mode=mode) for mode in build_modes])}
        build dist-server-rpm: phony {' '.join(['$builddir/dist/{mode}/redhat'.format(mode=mode) for mode in build_modes])}
        build dist-server-tar: phony {' '.join(['$builddir/{mode}/dist/tar/{scylla_product}-{scylla_version}-{scylla_release}.{arch}.tar.gz'.format(mode=mode, scylla_product=scylla_product, arch=arch, scylla_version=scylla_version, scylla_release=scylla_release) for mode in default_modes])}
        build dist-server-debuginfo: phony {' '.join(['$builddir/{mode}/dist/tar/{scylla_product}-debuginfo-{scylla_version}-{scylla_release}.{arch}.tar.gz'.format(mode=mode, scylla_product=scylla_product, arch=arch, scylla_version=scylla_version, scylla_release=scylla_release) for mode in default_modes])}
        build dist-server: phony dist-server-tar dist-server-debuginfo dist-server-rpm dist-server-deb

        rule build-submodule-reloc
          command = cd $reloc_dir && ./reloc/build_reloc.sh --version $$(<../../$builddir/SCYLLA-PRODUCT-FILE)-$$(sed 's/-/~/' <../../$builddir/SCYLLA-VERSION-FILE)-$$(<../../$builddir/SCYLLA-RELEASE-FILE) --nodeps $args
        rule build-submodule-rpm
          command = cd $dir && ./reloc/build_rpm.sh --reloc-pkg $artifact
        rule build-submodule-deb
          command = cd $dir && ./reloc/build_deb.sh --reloc-pkg $artifact

        build tools/jmx/build/{scylla_product}-jmx-{scylla_version}-{scylla_release}.noarch.tar.gz: build-submodule-reloc | $builddir/SCYLLA-PRODUCT-FILE $builddir/SCYLLA-VERSION-FILE $builddir/SCYLLA-RELEASE-FILE
          reloc_dir = tools/jmx
        build dist-jmx-rpm: build-submodule-rpm tools/jmx/build/{scylla_product}-jmx-{scylla_version}-{scylla_release}.noarch.tar.gz
          dir = tools/jmx
          artifact = build/{scylla_product}-jmx-{scylla_version}-{scylla_release}.noarch.tar.gz
        build dist-jmx-deb: build-submodule-deb tools/jmx/build/{scylla_product}-jmx-{scylla_version}-{scylla_release}.noarch.tar.gz
          dir = tools/jmx
          artifact = build/{scylla_product}-jmx-{scylla_version}-{scylla_release}.noarch.tar.gz
        build dist-jmx-tar: phony {' '.join(['$builddir/{mode}/dist/tar/{scylla_product}-jmx-{scylla_version}-{scylla_release}.noarch.tar.gz'.format(mode=mode, scylla_product=scylla_product, scylla_version=scylla_version, scylla_release=scylla_release) for mode in default_modes])}
        build dist-jmx: phony dist-jmx-tar dist-jmx-rpm dist-jmx-deb

        build tools/java/build/{scylla_product}-tools-{scylla_version}-{scylla_release}.noarch.tar.gz: build-submodule-reloc | $builddir/SCYLLA-PRODUCT-FILE $builddir/SCYLLA-VERSION-FILE $builddir/SCYLLA-RELEASE-FILE
          reloc_dir = tools/java
        build dist-tools-rpm: build-submodule-rpm tools/java/build/{scylla_product}-tools-{scylla_version}-{scylla_release}.noarch.tar.gz
          dir = tools/java
          artifact = build/{scylla_product}-tools-{scylla_version}-{scylla_release}.noarch.tar.gz
        build dist-tools-deb: build-submodule-deb tools/java/build/{scylla_product}-tools-{scylla_version}-{scylla_release}.noarch.tar.gz
          dir = tools/java
          artifact = build/{scylla_product}-tools-{scylla_version}-{scylla_release}.noarch.tar.gz
        build dist-tools-tar: phony {' '.join(['$builddir/{mode}/dist/tar/{scylla_product}-tools-{scylla_version}-{scylla_release}.noarch.tar.gz'.format(mode=mode, scylla_product=scylla_product, scylla_version=scylla_version, scylla_release=scylla_release) for mode in default_modes])}
        build dist-tools: phony dist-tools-tar dist-tools-rpm dist-tools-deb

        build tools/cqlsh/build/{scylla_product}-cqlsh-{scylla_version}-{scylla_release}.noarch.tar.gz: build-submodule-reloc | $builddir/SCYLLA-PRODUCT-FILE $builddir/SCYLLA-VERSION-FILE $builddir/SCYLLA-RELEASE-FILE
          reloc_dir = tools/cqlsh
        build dist-cqlsh-rpm: build-submodule-rpm tools/cqlsh/build/{scylla_product}-cqlsh-{scylla_version}-{scylla_release}.noarch.tar.gz
          dir = tools/cqlsh
          artifact = build/{scylla_product}-cqlsh-{scylla_version}-{scylla_release}.noarch.tar.gz
        build dist-cqlsh-deb: build-submodule-deb tools/cqlsh/build/{scylla_product}-cqlsh-{scylla_version}-{scylla_release}.noarch.tar.gz
          dir = tools/cqlsh
          artifact = build/{scylla_product}-cqlsh-{scylla_version}-{scylla_release}.noarch.tar.gz
        build dist-cqlsh-tar: phony {' '.join(['$builddir/{mode}/dist/tar/{scylla_product}-cqlsh-{scylla_version}-{scylla_release}.noarch.tar.gz'.format(mode=mode, scylla_product=scylla_product, scylla_version=scylla_version, scylla_release=scylla_release) for mode in default_modes])}
        build dist-cqlsh: phony dist-cqlsh-tar dist-cqlsh-rpm dist-cqlsh-deb

        build tools/python3/build/{scylla_product}-python3-{scylla_version}-{scylla_release}.{arch}.tar.gz: build-submodule-reloc | $builddir/SCYLLA-PRODUCT-FILE $builddir/SCYLLA-VERSION-FILE $builddir/SCYLLA-RELEASE-FILE
          reloc_dir = tools/python3
          args = --packages "{python3_dependencies}" --pip-packages "{pip_dependencies}" --pip-symlinks "{pip_symlinks}"
        build dist-python3-rpm: build-submodule-rpm tools/python3/build/{scylla_product}-python3-{scylla_version}-{scylla_release}.{arch}.tar.gz
          dir = tools/python3
          artifact = build/{scylla_product}-python3-{scylla_version}-{scylla_release}.{arch}.tar.gz
        build dist-python3-deb: build-submodule-deb tools/python3/build/{scylla_product}-python3-{scylla_version}-{scylla_release}.{arch}.tar.gz
          dir = tools/python3
          artifact = build/{scylla_product}-python3-{scylla_version}-{scylla_release}.{arch}.tar.gz
        build dist-python3-tar: phony {' '.join(['$builddir/{mode}/dist/tar/{scylla_product}-python3-{scylla_version}-{scylla_release}.{arch}.tar.gz'.format(mode=mode, scylla_product=scylla_product, arch=arch, scylla_version=scylla_version, scylla_release=scylla_release) for mode in default_modes])}
        build dist-python3: phony dist-python3-tar dist-python3-rpm dist-python3-deb
        build dist-deb: phony dist-server-deb dist-python3-deb dist-jmx-deb dist-tools-deb dist-cqlsh-deb
        build dist-rpm: phony dist-server-rpm dist-python3-rpm dist-jmx-rpm dist-tools-rpm dist-cqlsh-rpm
        build dist-tar: phony dist-unified-tar dist-server-tar dist-python3-tar dist-jmx-tar dist-tools-tar dist-cqlsh-tar

        build dist: phony dist-unified dist-server dist-python3 dist-jmx dist-tools dist-cqlsh
        '''))

    f.write(textwrap.dedent(f'''\
        build dist-check: phony {' '.join(['dist-check-{mode}'.format(mode=mode) for mode in default_modes])}
        rule dist-check
          command = ./tools/testing/dist-check/dist-check.sh --mode $mode
        '''))
    for mode in build_modes:
        f.write(textwrap.dedent(f'''\
        build $builddir/{mode}/dist/tar/{scylla_product}-python3-{scylla_version}-{scylla_release}.{arch}.tar.gz: copy tools/python3/build/{scylla_product}-python3-{scylla_version}-{scylla_release}.{arch}.tar.gz
        build $builddir/{mode}/dist/tar/{scylla_product}-python3-package.tar.gz: copy tools/python3/build/{scylla_product}-python3-{scylla_version}-{scylla_release}.{arch}.tar.gz
        build $builddir/{mode}/dist/tar/{scylla_product}-python3-{arch}-package.tar.gz: copy tools/python3/build/{scylla_product}-python3-{scylla_version}-{scylla_release}.{arch}.tar.gz
        build $builddir/{mode}/dist/tar/{scylla_product}-tools-{scylla_version}-{scylla_release}.noarch.tar.gz: copy tools/java/build/{scylla_product}-tools-{scylla_version}-{scylla_release}.noarch.tar.gz
        build $builddir/{mode}/dist/tar/{scylla_product}-tools-package.tar.gz: copy tools/java/build/{scylla_product}-tools-{scylla_version}-{scylla_release}.noarch.tar.gz
        build $builddir/{mode}/dist/tar/{scylla_product}-jmx-{scylla_version}-{scylla_release}.noarch.tar.gz: copy tools/jmx/build/{scylla_product}-jmx-{scylla_version}-{scylla_release}.noarch.tar.gz
        build $builddir/{mode}/dist/tar/{scylla_product}-jmx-package.tar.gz: copy tools/jmx/build/{scylla_product}-jmx-{scylla_version}-{scylla_release}.noarch.tar.gz
        build $builddir/{mode}/dist/tar/{scylla_product}-cqlsh-{scylla_version}-{scylla_release}.noarch.tar.gz: copy tools/cqlsh/build/{scylla_product}-cqlsh-{scylla_version}-{scylla_release}.noarch.tar.gz
        build $builddir/{mode}/dist/tar/{scylla_product}-cqlsh-package.tar.gz: copy tools/cqlsh/build/{scylla_product}-cqlsh-{scylla_version}-{scylla_release}.noarch.tar.gz

        build {mode}-dist: phony dist-server-{mode} dist-server-debuginfo-{mode} dist-python3-{mode} dist-tools-{mode} dist-jmx-{mode} dist-unified-{mode} dist-cqlsh-{mode}
        build dist-{mode}: phony {mode}-dist
        build dist-check-{mode}: dist-check
          mode = {mode}
            '''))

    f.write(textwrap.dedent('''\
        rule configure
          command = {python} configure.py --out={buildfile}.new $configure_args && mv {buildfile}.new {buildfile}
          generator = 1
          description = CONFIGURE $configure_args
        build {buildfile} {build_ninja_list}: configure | configure.py SCYLLA-VERSION-GEN $builddir/SCYLLA-PRODUCT-FILE $builddir/SCYLLA-VERSION-FILE $builddir/SCYLLA-RELEASE-FILE {args.seastar_path}/CMakeLists.txt
        rule cscope
            command = find -name '*.[chS]' -o -name "*.cc" -o -name "*.hh" | cscope -bq -i-
            description = CSCOPE
        build cscope: cscope
        rule clean
            command = rm -rf build
            description = CLEAN
        build clean: clean
        rule mode_list
            command = echo {modes_list}
            description = List configured modes
        build mode_list: mode_list
        default {modes_list}
        ''').format(modes_list=' '.join(default_modes), build_ninja_list=' '.join([f'{outdir}/{mode}/{dir}/build.ninja' for mode in build_modes for dir in ['seastar', 'abseil']]), **globals()))
    unit_test_list = set(test for test in build_artifacts if test in set(tests))
    f.write(textwrap.dedent('''\
        rule unit_test_list
            command = /usr/bin/env echo -e '{unit_test_list}'
            description = List configured unit tests
        build unit_test_list: unit_test_list
        ''').format(unit_test_list="\\n".join(sorted(unit_test_list))))
    f.write(textwrap.dedent('''\
        build always: phony
        rule scylla_version_gen
            command = ./SCYLLA-VERSION-GEN --output-dir $builddir
            restat = 1
        build $builddir/SCYLLA-RELEASE-FILE $builddir/SCYLLA-VERSION-FILE: scylla_version_gen | always
        rule debian_files_gen
            command = ./dist/debian/debian_files_gen.py --build-dir $builddir
        build $builddir/debian/debian: debian_files_gen | always
        rule extract_node_exporter
            command = tar -C $builddir -xvpf {node_exporter_filename} --no-same-owner && rm -rfv $builddir/node_exporter && mv -v $builddir/{node_exporter_dirname} $builddir/node_exporter
        build $builddir/node_exporter/node_exporter: extract_node_exporter | always
        build $builddir/node_exporter/node_exporter.stripped: strip $builddir/node_exporter/node_exporter
        build $builddir/node_exporter/node_exporter.debug: phony $builddir/node_exporter/node_exporter.stripped
        rule print_help
             command = ./scripts/build-help.sh
        build help: print_help | always
        ''').format(**globals()))


def create_build_system(args):
    check_for_minimal_compiler_version(args.cxx)
    check_for_boost(args.cxx)
    check_for_lz4(args.cxx, args.user_cflags)

    os.makedirs(outdir, exist_ok=True)

    scylla_product, scylla_version, scylla_release = generate_version(args.date_stamp)

    for mode, mode_config in build_modes.items():
        extra_cxxflags = ' '.join(get_extra_cxxflags(mode, mode_config, args.cxx, args.debuginfo))
        mode_config['cxxflags'] += f' {extra_cxxflags}'

        mode_config['per_src_extra_cxxflags']['release.cc'] = ' '.join(get_release_cxxflags(scylla_product, scylla_version, scylla_release))

    if not args.dist_only:
        global user_cflags, libs
        # args.buildfile builds seastar with the rules of
        # {outdir}/{mode}/seastar/build.ninja, and
        # {outdir}/{mode}/seastar/seastar.pc is queried for building flags
        for mode, mode_config in build_modes.items():
            configure_seastar(outdir, mode, mode_config)
            configure_abseil(outdir, mode, mode_config)
        user_cflags += ' -isystem abseil'

    for mode, mode_config in build_modes.items():
        mode_config.update(query_seastar_flags(f'{outdir}/{mode}/seastar/seastar.pc',
                                               mode_config['build_seastar_shared_libs'],
                                               args.staticcxx))

    ninja = find_ninja()
    with open(args.buildfile, 'w') as f:
        arch = platform.machine()
        write_build_file(f,
                         arch,
                         ninja,
                         scylla_product,
                         scylla_version,
                         scylla_release,
                         args)
    generate_compdb('compile_commands.json', ninja, args.buildfile, selected_modes)


class BuildType(NamedTuple):
    build_by_default: bool
    cmake_build_type: str


def configure_using_cmake(args):
    # all supported build modes, and if they are built by default if selected
    build_modes = {'debug': BuildType(True, 'Debug'),
                   'release': BuildType(True, 'RelWithDebInfo'),
                   'dev': BuildType(True, 'Dev'),
                   'sanitize': BuildType(False, 'Sanitize'),
                   'coverage': BuildType(False, 'Coverage')}
    selected_modes = list(build_modes[mode] for mode in
                          args.selected_modes or build_modes.keys())
    selected_configs = ';'.join(mode.cmake_build_type for mode in selected_modes)
    default_configs = ';'.join(mode.cmake_build_type for mode in selected_modes
                               if mode.build_by_default)

    settings = {
        'CMAKE_CONFIGURATION_TYPES': selected_configs,
        'CMAKE_CROSS_CONFIGS': default_configs,
        'CMAKE_DEFAULT_CONFIGS': default_configs,
        'CMAKE_C_COMPILER': args.cc,
        'CMAKE_CXX_COMPILER': args.cxx,
        'CMAKE_CXX_FLAGS': args.user_cflags,
        'CMAKE_EXE_LINKER_FLAGS': semicolon_separated(args.user_ldflags),
        'CMAKE_EXPORT_COMPILE_COMMANDS': 'ON',
        'Scylla_CHECK_HEADERS': 'ON',
    }
    if args.date_stamp:
        settings['Scylla_DATE_STAMP'] = args.date_stamp
    if args.staticboost:
        settings['Boost_USE_STATIC_LIBS'] = 'ON'

    source_dir = os.path.realpath(os.path.dirname(__file__))
    build_dir = os.path.join(source_dir, 'build')

    cmake_command = ['cmake']
    cmake_command += [f'-D{var}={value}' for var, value in settings.items()]
    cmake_command += ['-G', 'Ninja Multi-Config',
                      '-B', build_dir,
                      '-S', source_dir]
    subprocess.check_call(cmake_command, shell=False, cwd=source_dir)

    compdb_source = os.path.join(source_dir, 'compile_commands.json')
    compdb_target = os.path.join(build_dir, 'compile_commands.json')
    
    try:
        os.symlink(compdb_target, compdb_source)
    except FileExistsError:
        # if there is already a valid compile_commands.json link in the
        # source root, we are done.
        pass


if __name__ == '__main__':
    if args.use_cmake:
        configure_using_cmake(args)
    else:
        create_build_system(args)