zilkworm/conanfile.py at master · erigontech/zilkworm · GitHub

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# Copyright 2025 The Silkworm Authors
# SPDX-License-Identifier: Apache-2.0

from conan import ConanFile


class SilkwormRecipe(ConanFile):
    settings = 'os', 'compiler', 'build_type', 'arch'
    generators = 'CMakeDeps', 'PkgConfigDeps'

    def requirements(self):
        # self.requires('catch2/3.6.0')
        self.requires('magic_enum/0.8.2')
        self.requires('ms-gsl/4.0.0')
        self.requires('nlohmann_json/3.11.3')
        self.requires('tl-expected/1.1.0')
        self.requires('zlib/1.3.1')
        if self.settings.arch == 'wasm':
            return

        self.requires('boost/1.83.0', override=True)
        self.requires('protobuf/5.27.0', override=True)


    def configure(self):
        if (self.settings.os == 'Linux') and (self.settings.compiler == 'clang'):
            self.options['grpc'].with_libsystemd = False

        self.configure_boost()

    def configure_boost(self):
        # on Windows rebuilding boost from sources increases the build time a lot, so we skip configuration
        # hoping it doesn't break with asio_no_deprecated = False
        if self.settings.os == 'Windows':
            return

        self.options['boost'].asio_no_deprecated = True

        if self.settings.os == 'Macos':
            cmake_osx_deployment_target = '15.0'
            os_version_min_flag = f'-mmacosx-version-min={cmake_osx_deployment_target}'
            self.options['boost'].extra_b2_flags = f'cxxflags="{os_version_min_flag}" linkflags="{os_version_min_flag}"'

        # Disable building unused boost components
        # note: changing default options above forces a boost rebuild anyway
        for component in self.boost_components_unused():
            setattr(self.options['boost'], 'without_' + component, True)

    @staticmethod
    def boost_components_unused() -> set[str]:
        components_all = [
            'atomic',
            'chrono',
            'container',
            'context',
            'contract',
            'coroutine',
            'date_time',
            'exception',
            'fiber',
            'filesystem',
            'graph',
            'graph_parallel',
            'iostreams',
            'json',
            'locale',
            'log',
            'math',
            'mpi',
            'nowide',
            'program_options',
            'python',
            'random',
            'regex',
            'serialization',
            'stacktrace',
            'system',
            'test',
            'thread',
            'timer',
            'type_erasure',
            'wave',
        ]

        components_used = [
            # asio-grpc requires:
            'container',

            # silkworm requires:
            'iostreams',
            'system',
            'thread',
            'url',

            # Boost::iostreams requires
            'random',
            'regex',

            # Boost::thread requires:
            'atomic',
            'chrono',
            'date_time',
            'exception',
        ]

        return set(components_all) - set(components_used)