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meson: add
Significantly faster than autotools thanks to Ninja and shorter code. Signed-off-by: Rosen Penev <rosenp@gmail.com>
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‎meson.build‎

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project(
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'libtorrent',
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'cpp',
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version: '0.15.3',
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meson_version: '>=1.3.0',
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default_options: ['cpp_std=c++17', 'warning_level=1'],
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)
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if get_option('b_ndebug') not in ['true', 'if-release']
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add_project_arguments('-DDEBUG', language: 'cpp')
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endif
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cdata = configuration_data()
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cdata.set('HAVE_CONFIG_H', 1)
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cdata.set_quoted('VERSION', meson.project_version())
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cdata.set_quoted('PEER_NAME', '-lt0F03-')
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cdata.set_quoted('PEER_VERSION', 'lt\\x0F\\x03')
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cc = meson.get_compiler('cpp')
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if cc.has_function_attribute('visibility:default')
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cdata.set('SUPPORT_ATTRIBUTE_VISIBILITY', 1)
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endif
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cdata.set('IS_@0@_ENDIAN'.format(host_machine.endian().to_upper()), 1)
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cdata.set('LT_INSTRUMENTATION', 1)
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if cc.has_header_symbol('new', 'std::hardware_constructive_interference_size')
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cdata.set('LT_SMP_CACHE_BYTES', 'std::hardware_constructive_interference_size')
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else
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cdata.set('LT_SMP_CACHE_BYTES', '128')
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endif
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cdata.set('lt_cacheline_aligned', 'alignas(LT_SMP_CACHE_BYTES)')
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if cc.sizeof('void*') == 8
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cdata.set('DEFAULT_ADDRESS_SPACE_SIZE', 4096)
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else
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cdata.set('DEFAULT_ADDRESS_SPACE_SIZE', 1024)
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endif
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foreach h : ['epoll', 'inotify']
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if cc.has_header('sys/@0@.h'.format(h), required: get_option(h))
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cdata.set('USE_@0@'.format(h.to_upper()), 1)
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endif
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endforeach
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foreach f : ['madvise', 'mincore']
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if cc.has_header_symbol('sys/mman.h', f, required: get_option(f))
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cdata.set('USE_@0@'.format(f.to_upper()), 1)
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endif
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endforeach
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if cc.has_function('__builtin_popcount')
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cdata.set('USE_BUILTIN_POPCOUNT', 1)
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endif
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if cc.has_function('posix_fadvise')
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cdata.set('USE_POSIX_FADVISE', 1)
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endif
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if get_option('posix_fallocate') and cc.has_function('posix_fallocate')
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cdata.set('USE_POSIX_FALLOCATE', 1)
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elif host_machine.system() == 'darwin'
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cdata.set('SYS_DARWIN', 1)
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elif cc.has_function('fallocate')
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cdata.set('USE_FALLOCATE', 1)
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endif
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if cdata.has('USE_MINCORE')
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if cc.compiles('#include <sys/mman.h>\nint main(){mincore(0,0,(unsigned char*)0);}', werror: true)
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cdata.set('USE_MINCORE_UNSIGNED', 1)
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else
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cdata.set('USE_MINCORE_UNSIGNED', 0)
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endif
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endif
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if cc.compiles('#include <pthread.h>\nint main(){pthread_setname_np("foo");}')
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cdata.set('HAS_PTHREAD_SETNAME_NP_DARWIN', 1)
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elif cc.compiles('#include <pthread.h>\nint main(){pthread_t t;pthread_setname_np(t,"foo");}')
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cdata.set('HAS_PTHREAD_SETNAME_NP_GENERIC', 1)
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endif
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if cc.has_header('sys/statvfs.h', required: get_option('statvfs'))
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cdata.set('HAVE_SYS_STATVFS_H', 1)
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cdata.set('FS_STAT_FD', 'fstatvfs(fd, &m_stat) == 0')
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cdata.set('FS_STAT_FN', 'statvfs(fn, &m_stat) == 0')
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cdata.set('FS_STAT_STRUCT', 'struct statvfs')
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cdata.set('FS_STAT_SIZE_TYPE', 'unsigned long')
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cdata.set('FS_STAT_COUNT_TYPE', 'fsblkcnt_t')
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cdata.set('FS_STAT_BLOCK_SIZE', '(m_stat.f_frsize)')
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elif cc.has_header('sys/statfs.h', required: get_option('statfs'))
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cdata.set('HAVE_SYS_STATFS_H', 1)
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cdata.set('HAVE_SYS_VFS_H', 1)
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cdata.set('FS_STAT_FD', 'fstatfs(fd, &m_stat) == 0')
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cdata.set('FS_STAT_FN', 'statfs(fn, &m_stat) == 0')
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cdata.set('FS_STAT_STRUCT', 'struct statfs')
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cdata.set('FS_STAT_SIZE_TYPE', 'long')
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cdata.set('FS_STAT_COUNT_TYPE', 'long')
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cdata.set('FS_STAT_BLOCK_SIZE', '(m_stat.f_bsize)')
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else
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cdata.set('FS_STAT_FD', '(errno = ENOSYS) == 0')
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cdata.set('FS_STAT_FN', '(errno = ENOSYS) == 0')
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cdata.set('FS_STAT_STRUCT', 'struct {blocksize_type f_bsize;blockcount_type f_bavail;}')
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cdata.set('FS_STAT_SIZE_TYPE', 'int')
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cdata.set('FS_STAT_COUNT_TYPE', 'int')
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cdata.set('FS_STAT_BLOCK_SIZE', '(4096)')
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endif
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if get_option('execinfo').enabled()
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if cc.has_function('backtrace')
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execinfo_dep = declare_dependency()
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else
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execinfo_dep = dependency('execinfo')
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endif
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cdata.set('HAVE_BACKTRACE', 1)
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else
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execinfo_dep = dependency('execinfo', required: get_option('execinfo'))
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if cc.has_function('backtrace', required: get_option('execinfo')) or execinfo_dep.found()
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cdata.set('HAVE_BACKTRACE', 1)
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endif
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endif
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if get_option('kqueue').enabled()
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if cdata.has('USE_EPOLL')
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error('epoll and kqueue are mutually exclusive. Please enable only one')
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endif
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if cc.has_header('sys/event.h')
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kqueue_dep = declare_dependency()
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else
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kqueue_dep = dependency('libkqueue')
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endif
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cdata.set('USE_KQUEUE', 1)
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elif not cdata.has('USE_EPOLL')
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kqueue_dep = dependency('libkqueue', required: get_option('kqueue'))
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if cc.has_header('sys/event.h', required: get_option('kqueue')) or kqueue_dep.found()
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cdata.set('USE_KQUEUE', 1)
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endif
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else
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kqueue_dep = []
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endif
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if cc.links('#include <atomic>\n#include <bitset>\nint main(){std::atomic<std::bitset<3>> b;std::atomic_is_lock_free(&b);}')
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atomic_dep = dependency('', required: false)
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else
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atomic_dep = cc.find_library('atomic')
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endif
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if host_machine.system() != 'sunos'
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socket_dep = dependency('', required: false)
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else
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socket_dep = cc.find_library('socket')
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endif
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ssl_dep = dependency('libcrypto')
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thread_dep = dependency('threads')
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zlib_dep = dependency('zlib')
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cfile = configure_file(
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configuration: cdata,
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output: 'config.h',
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)
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subdir('src')
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subdir('test')

‎meson_options.txt‎

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option('epoll', type: 'feature')
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option('execinfo', type: 'feature')
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option('inotify', type: 'feature')
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option('kqueue', type: 'feature')
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option('madvise', type: 'feature')
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option('mincore', type: 'feature')
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option('posix_fallocate', type: 'boolean', value: false)
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option('statvfs', type: 'feature')
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option('statfs', type: 'feature')
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option('tests', type: 'feature')

‎src/meson.build‎

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incdirs = include_directories('..', '.')
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libtorrent_files = files(
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'data/chunk.cc',
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'data/chunk_list.cc',
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'data/chunk_part.cc',
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'data/hash_check_queue.cc',
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'data/hash_chunk.cc',
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'data/hash_queue.cc',
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'data/hash_queue_node.cc',
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'data/hash_torrent.cc',
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'data/memory_chunk.cc',
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'data/socket_file.cc',
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'data/thread_disk.cc',
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'dht/dht_bucket.cc',
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'dht/dht_node.cc',
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'dht/dht_router.cc',
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'dht/dht_server.cc',
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'dht/dht_tracker.cc',
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'dht/dht_transaction.cc',
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'download/available_list.cc',
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'download/chunk_selector.cc',
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'download/chunk_statistics.cc',
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'download/delegator.cc',
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'download/download_constructor.cc',
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'download/download_main.cc',
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'download/download_wrapper.cc',
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'net/address_list.cc',
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'net/listen.cc',
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'net/socket_base.cc',
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'net/socket_datagram.cc',
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'net/socket_fd.cc',
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'net/socket_listen.cc',
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'net/socket_set.cc',
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'net/socket_stream.cc',
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'net/thread_net.cc',
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'net/throttle_internal.cc',
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'net/throttle_list.cc',
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'net/udns_library.cc',
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'net/udns_resolver.cc',
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'protocol/extensions.cc',
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'protocol/handshake.cc',
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'protocol/handshake_encryption.cc',
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'protocol/handshake_manager.cc',
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'protocol/initial_seed.cc',
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'protocol/peer_connection_base.cc',
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'protocol/peer_connection_leech.cc',
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'protocol/peer_connection_metadata.cc',
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'protocol/peer_factory.cc',
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'protocol/request_list.cc',
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'tracker/thread_tracker.cc',
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'tracker/tracker_dht.cc',
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'tracker/tracker_http.cc',
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'tracker/tracker_udp.cc',
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'tracker/tracker_worker.cc',
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'utils/diffie_hellman.cc',
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'utils/instrumentation.cc',
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'utils/signal_interrupt.cc',
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)
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subdir('torrent')
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libtorrent_other = static_library(
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'torrent_other',
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libtorrent_files,
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gnu_symbol_visibility: 'hidden',
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dependencies: [atomic_dep, ssl_dep],
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include_directories: '..',
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)
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depinc = include_directories('.')
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libtorrent_other_dep = declare_dependency(
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include_directories: depinc,
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link_with: [libtorrent_torrent, libtorrent_other],
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)
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libtorrent = library(
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'libtorrent',
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'globals.cc',
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'manager.cc',
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'thread_main.cc',
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gnu_symbol_visibility: 'hidden',
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name_prefix: '',
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link_whole: libtorrent_torrent,
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dependencies: [libtorrent_other_dep, ssl_dep],
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version: '24.0.0',
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include_directories: '..',
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install: true,
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)
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libtorrent_dep = declare_dependency(
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include_directories: depinc,
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link_with: libtorrent,
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)
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pconf = import('pkgconfig')
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pconf.generate(
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libtorrent,
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description: 'A BitTorrent client',
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)

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