Hello,
asio started failing to build with gcc-14 [1]. The error is:
make[2]: Entering directory '/builddir/build/BUILD/asio-1.28.1/src/examples/cpp14' g++ -DPACKAGE_NAME="asio" -DPACKAGE_TARNAME="asio" -DPACKAGE_VERSION="1.28.1" -DPACKAGE_STRING="asio\ 1.28.1" -DPACKAGE_BUGREPORT="" -DPACKAGE_URL="" -DPACKAGE="asio" -DVERSION="1.28.1" -D_REENTRANT=1 -I. -DASIO_STANDALONE -I./../../../include -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -pthread -ftemplate-depth-256 -c -o operations/composed_5.o operations/composed_5.cpp operations/composed_5.cpp: In instantiation of ‘struct async_write_message<int, test_callback()::<lambda(const std::error_code&)> >(asio::ip::tcp::socket&, const int&, test_callback()::<lambda(const std::error_code&)>&&)::<lambda(auto:2&&, asio::ip::tcp::socket&, std::unique_ptr<std::__cxx11::basic_string<char>
)>::intermediate_completion_handler’:
operations/composed_5.cpp:149:5: required from ‘auto async_write_message(asio::ip::tcp::socket&, const T&, CompletionToken&&) [with T = int; CompletionToken = test_callback()::<lambda(const std::error_code&)>; asio::ip::tcp::socket = asio::basic_stream_socketasio::ip::tcp]’ 149 | }; | ^ operations/composed_5.cpp:196:22: required from here 196 | async_write_message(socket, 123456, | ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~ 197 | [](const std::error_code& error) | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 198 | { | ~ 199 | if (!error) | ~~~~~~~~~~~ 200 | { | ~ 201 | std::cout << "Message sent\n"; | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 202 | } | ~ 203 | else | ~~~~ 204 | { | ~ 205 | std::cout << "Error: " << error.message() << "\n"; | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 206 | } | ~ 207 | }); | ~~ operations/composed_5.cpp:101:63: error: ‘async_write_message(asio::ip::tcp::socket&, const T&, CompletionToken&&)::<lambda(auto:2&&, asio::ip::tcp::socket&, std::unique_ptr<std::__cxx11::basic_string<char>
)>::intermediate_completion_handler::handler_’ has incomplete type
101 | typename std::decay<decltype(completion_handler)>::type handler_; | ^~~~~~~~ operations/composed_5.cpp:101:63: error: invalid use of dependent type ‘typename std::decay<decltype (completion_handler)>::type’ operations/composed_5.cpp: In instantiation of ‘struct async_write_message<std::__cxx11::basic_string<char>, const asio::deferred_t&>(asio::ip::tcp::socket&, const std::__cxx11::basic_string<char>&, const asio::deferred_t&)::<lambda(auto:2&&, asio::ip::tcp::socket&, std::unique_ptr<std::__cxx11::basic_string<char>
)>::intermediate_completion_handler’:
operations/composed_5.cpp:149:5: required from ‘auto async_write_message(asio::ip::tcp::socket&, const T&, CompletionToken&&) [with T = std::__cxx11::basic_string<char>; CompletionToken = const asio::deferred_t&; asio::ip::tcp::socket = asio::basic_stream_socketasio::ip::tcp]’ operations/composed_5.cpp:101:63: error: 149 | }; operations/composed_5.cpp:101:63: error: | ^ operations/composed_5.cpp:225:32: required from here operations/composed_5.cpp:101:63: error: 225 | auto op = async_write_message(socket, operations/composed_5.cpp:101:63: error: | ~~~~~~~~~~~~~~~~~~~^~~~~~~~ 226 | std::string("abcdef"), asio::deferred); operations/composed_5.cpp:101:63: error: | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ operations/composed_5.cpp:101:63: error: ‘async_write_message(asio::ip::tcp::socket&, const T&, CompletionToken&&)::<lambda(auto:2&&, asio::ip::tcp::socket&, std::unique_ptr<std::__cxx11::basic_string<char>
)>::intermediate_completion_handler::handler_’ has incomplete type
101 | typename std::decay<decltype(completion_handler)>::type handler_; | ^~~~~~~~ operations/composed_5.cpp:101:63: error: invalid use of dependent type ‘typename std::decay<decltype (completion_handler)>::type’ operations/composed_5.cpp: In instantiation of ‘struct async_write_message<double, const asio::use_future_t<>&>(asio::ip::tcp::socket&, const double&, const asio::use_future_t<>&)::<lambda(auto:2&&, asio::ip::tcp::socket&, std::unique_ptr<std::__cxx11::basic_string<char>
)>::intermediate_completion_handler’:
operations/composed_5.cpp:149:5: required from ‘auto async_write_message(asio::ip::tcp::socket&, const T&, CompletionToken&&) [with T = double; CompletionToken = const asio::use_future_t<>&; asio::ip::tcp::socket = asio::basic_stream_socketasio::ip::tcp]’ operations/composed_5.cpp:101:63: error: 149 | }; operations/composed_5.cpp:101:63: error: | ^ operations/composed_5.cpp:257:44: required from here operations/composed_5.cpp:101:63: error: 257 | std::future<void> f = async_write_message( operations/composed_5.cpp:101:63: error: | ~~~~~~~~~~~~~~~~~~~^ 258 | socket, 654.321, asio::use_future); operations/composed_5.cpp:101:63: error: | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ operations/composed_5.cpp:101:63: error: ‘async_write_message(asio::ip::tcp::socket&, const T&, CompletionToken&&)::<lambda(auto:2&&, asio::ip::tcp::socket&, std::unique_ptr<std::__cxx11::basic_string<char>
)>::intermediate_completion_handler::handler_’ has incomplete type
101 | typename std::decay<decltype(completion_handler)>::type handler_; | ^~~~~~~~ operations/composed_5.cpp:101:63: error: invalid use of dependent type ‘typename std::decay<decltype (completion_handler)>::type’ make[2]: *** [Makefile:1066: operations/composed_5.o] Error 1 make[2]: Leaving directory '/builddir/build/BUILD/asio-1.28.1/src/examples/cpp14' make[2]: *** Waiting for unfinished jobs....
I tried including <algorithm> but it did not help. Not sure what else to try.
Best regards, Julian
On Sun, Jan 21, 2024 at 12:23:27PM +0100, Julian Sikorski wrote:
asio started failing to build with gcc-14 [1]. The error is:
Seems (thanks Patrick for reducing and analyzing it) it is a GCC bug, https://gcc.gnu.org/PR113544
Hopefully it will be fixed soon.
Jakub
-
Jakub Jelinek -
Julian Sikorski