g++ - 对`boost::this_thread的 undefined reference :

Question

我正在尝试构建 Doge coin headless 钱包(类似于 bitcoind)，似乎是 Boost 导致了错误，但我不知道如何修复它。

(Ubuntu 12.04)

当我执行“make -f makefile.unix USE_UPNP=-”时，出现此错误:

/bin/sh ../share/genbuild.sh obj/build.h
g++ -O2 -pthread -Wall -Wextra -Wformat -Wformat-security -Wno-unused-parameter -g -DUSE_IPV6 -DBOOST_SPIRIT_THREADSAFE -I/root/dogecoin/src -I/root/dogecoin/src/obj -DHAVE_BUILD_INFO -fno-stack-protector -fstack-protector-all -Wstack-protector -D_FORTIFY_SOURCE=2  -o dogecoind obj/version.o obj/checkpoints.o obj/netbase.o obj/addrman.o obj/crypter.o obj/key.o obj/db.o obj/init.o obj/irc.o obj/keystore.o obj/main.o obj/net.o obj/protocol.o obj/bitcoinrpc.o obj/rpcdump.o obj/rpcnet.o obj/rpcrawtransaction.o obj/script.o obj/scrypt.o obj/sync.o obj/util.o obj/wallet.o obj/walletdb.o obj/noui.o -Wl,-z,relro -Wl,-z,now   -Wl,-Bdynamic -l boost_system -l boost_filesystem -l boost_program_options -l boost_thread -l db_cxx -l ssl -l crypto -Wl,-Bdynamic -l z -l dl -l pthread
obj/db.o: In function `CAddrDB::Write(CAddrMan const&)':
/root/dogecoin/src/db.cpp:764: undefined reference to `RenameOver(boost::filesystem3::path, boost::filesystem3::path)'
obj/init.o: In function `AppInit2()':
/root/dogecoin/src/init.cpp:450: undefined reference to `CreatePidFile(boost::filesystem3::path const&, int)'
obj/main.o: In function `operator/':
/usr/local/include/boost/filesystem/path.hpp:648: undefined reference to `boost::filesystem::path::operator/=(boost::filesystem::path const&)'
obj/main.o: In function `sleep':
/usr/local/include/boost/thread/pthread/thread_data.hpp:249: undefined reference to `boost::this_thread::hiden::sleep_until(timespec const&)'
obj/main.o: In function `space':
/usr/local/include/boost/filesystem/operations.hpp:520: undefined reference to `boost::filesystem::detail::space(boost::filesystem::path const&, boost::system::error_code*)'
obj/main.o: In function `sleep':
/usr/local/include/boost/thread/pthread/thread_data.hpp:249: undefined reference to `boost::this_thread::hiden::sleep_until(timespec const&)'
obj/main.o: In function `boost::thread::start_thread()':
/usr/local/include/boost/thread/detail/thread.hpp:180: undefined reference to `boost::thread::start_thread_noexcept()'
obj/bitcoinrpc.o: In function `sleep':
/usr/local/include/boost/thread/pthread/thread_data.hpp:249: undefined reference to `boost::this_thread::hiden::sleep_until(timespec const&)'
obj/bitcoinrpc.o: In function `boost::filesystem::path::has_root_directory() const':
/usr/local/include/boost/filesystem/path.hpp:444: undefined reference to `boost::filesystem::path::root_directory() const'
obj/bitcoinrpc.o: In function `operator/':
/usr/local/include/boost/filesystem/path.hpp:648: undefined reference to `boost::filesystem::path::operator/=(boost::filesystem::path const&)'
obj/bitcoinrpc.o: In function `exists':
/usr/local/include/boost/filesystem/operations.hpp:289: undefined reference to `boost::filesystem::detail::status(boost::filesystem::path const&, boost::system::error_code*)'
obj/bitcoinrpc.o: In function `boost::filesystem::path::has_root_directory() const':
/usr/local/include/boost/filesystem/path.hpp:444: undefined reference to `boost::filesystem::path::root_directory() const'
obj/bitcoinrpc.o: In function `operator/':
/usr/local/include/boost/filesystem/path.hpp:648: undefined reference to `boost::filesystem::path::operator/=(boost::filesystem::path const&)'
obj/bitcoinrpc.o: In function `exists':
/usr/local/include/boost/filesystem/operations.hpp:289: undefined reference to `boost::filesystem::detail::status(boost::filesystem::path const&, boost::system::error_code*)'
obj/bitcoinrpc.o: In function `call_once<void (*)()>':
/usr/local/include/boost/thread/pthread/once_atomic.hpp:145: undefined reference to `boost::thread_detail::enter_once_region(boost::once_flag&)'
/usr/local/include/boost/thread/pthread/once_atomic.hpp:157: undefined reference to `boost::thread_detail::commit_once_region(boost::once_flag&)'
/usr/local/include/boost/thread/pthread/once_atomic.hpp:153: undefined reference to `boost::thread_detail::rollback_once_region(boost::once_flag&)'
/usr/local/include/boost/thread/pthread/once_atomic.hpp:145: undefined reference to `boost::thread_detail::enter_once_region(boost::once_flag&)'
/usr/local/include/boost/thread/pthread/once_atomic.hpp:157: undefined reference to `boost::thread_detail::commit_once_region(boost::once_flag&)'
/usr/local/include/boost/thread/pthread/once_atomic.hpp:153: undefined reference to `boost::thread_detail::rollback_once_region(boost::once_flag&)'
obj/util.o: In function `operator/':
/usr/local/include/boost/filesystem/path.hpp:648: undefined reference to `boost::filesystem::path::operator/=(boost::filesystem::path const&)'
obj/util.o: In function `path<char*>':
/usr/local/include/boost/filesystem/path.hpp:139: undefined reference to `boost::filesystem::path::codecvt()'
obj/util.o: In function `system_complete':
/usr/local/include/boost/filesystem/operations.hpp:531: undefined reference to `boost::filesystem::detail::system_complete(boost::filesystem::path const&, boost::system::error_code*)'
obj/util.o: In function `is_directory':
/usr/local/include/boost/filesystem/operations.hpp:294: undefined reference to `boost::filesystem::detail::status(boost::filesystem::path const&, boost::system::error_code*)'
obj/util.o: In function `create_directory':
/usr/local/include/boost/filesystem/operations.hpp:405: undefined reference to `boost::filesystem::detail::create_directory(boost::filesystem::path const&, boost::system::error_code*)'
obj/util.o: In function `GetDataDir(bool)':
/root/dogecoin/src/util.cpp:1029: undefined reference to `boost::filesystem::path::operator/=(char const*)'
obj/util.o: In function `operator/':
/usr/local/include/boost/filesystem/path.hpp:648: undefined reference to `boost::filesystem::path::operator/=(boost::filesystem::path const&)'
obj/util.o: In function `boost::filesystem::path::has_root_directory() const':
/usr/local/include/boost/filesystem/path.hpp:444: undefined reference to `boost::filesystem::path::root_directory() const'
obj/util.o: In function `operator/':
/usr/local/include/boost/filesystem/path.hpp:648: undefined reference to `boost::filesystem::path::operator/=(boost::filesystem::path const&)'
obj/util.o: In function `boost::filesystem::path::has_root_directory() const':
/usr/local/include/boost/filesystem/path.hpp:444: undefined reference to `boost::filesystem::path::root_directory() const'
obj/util.o: In function `operator/':
/usr/local/include/boost/filesystem/path.hpp:648: undefined reference to `boost::filesystem::path::operator/=(boost::filesystem::path const&)'
/usr/local/include/boost/filesystem/path.hpp:648: undefined reference to `boost::filesystem::path::operator/=(boost::filesystem::path const&)'
/usr/local/include/boost/filesystem/path.hpp:648: undefined reference to `boost::filesystem::path::operator/=(boost::filesystem::path const&)'
obj/walletdb.o: In function `sleep':
/usr/local/include/boost/thread/pthread/thread_data.hpp:249: undefined reference to `boost::this_thread::hiden::sleep_until(timespec const&)'
obj/walletdb.o: In function `operator/':
/usr/local/include/boost/filesystem/path.hpp:648: undefined reference to `boost::filesystem::path::operator/=(boost::filesystem::path const&)'
obj/walletdb.o: In function `is_directory':
/usr/local/include/boost/filesystem/operations.hpp:294: undefined reference to `boost::filesystem::detail::status(boost::filesystem::path const&, boost::system::error_code*)'
obj/walletdb.o: In function `copy_file':
/usr/local/include/boost/filesystem/operations.hpp:381: undefined reference to `boost::filesystem::detail::copy_file(boost::filesystem::path const&, boost::filesystem::path const&, boost::filesystem::copy_option::enum_type, boost::system::error_code*)'
obj/walletdb.o: In function `sleep':
/usr/local/include/boost/thread/pthread/thread_data.hpp:249: undefined reference to `boost::this_thread::hiden::sleep_until(timespec const&)'
obj/walletdb.o: In function `operator/=<std::basic_string<char> >':
/usr/local/include/boost/filesystem/path.hpp:302: undefined reference to `boost::filesystem::path::codecvt()'
obj/walletdb.o: In function `boost::filesystem::path& boost::filesystem::path::append<std::basic_string<char, std::char_traits<char>, std::allocator<char> > >(std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::codecvt<wchar_t, char, __mbstate_t> const&)':
/usr/local/include/boost/filesystem/path.hpp:707: undefined reference to `boost::filesystem::path::m_append_separator_if_needed()'
/usr/local/include/boost/filesystem/path.hpp:710: undefined reference to `boost::filesystem::path::m_erase_redundant_separator(unsigned long)'
collect2: ld returned 1 exit status
make: *** [dogecoind] Error 1

Answer 1

您需要链接这些 boost 库，即将 -lboost_thread -lboost_filesystem -lboost_system 添加到链接器命令行中。

参见Link Your Program to a Boost Library了解更多详情。