Date: Thu, 14 May 2026 08:09:40 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 294900] Errors during buildworld: C++20 extension Message-ID: <bug-294900-227-D6HyqFYMZa@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-294900-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=294900 --- Comment #3 from Thierry Thomas <thierry@FreeBSD.org> --- Trying again today (May 14 2026, 0ed292531e0457f271b838dd9dc99a86534d3a99) after `git pull' produces the same error: --- bsm_flags.pico --- /usr/local/bin/ccache cc -target x86_64-unknown-freebsd16.0 --sysroot=/usr/obj/usr/src/amd64.amd64/tmp -B/usr/obj/usr/src/amd64.amd64/tmp/usr/bin -fpic -DPIC -O2 -pipe -fno-common -I/usr/src/contrib/openbsm -I/usr/src/contrib/openbsm/libbsm -g -gz=zlib -MD -MF.depend.bsm_flags.pico -MTbsm_flags.pico -std=gnu17 -Wno-format-zero-length -nobuiltininc -idirafter /usr/lib/clang/19/include -fstack-protector-strong -Wsystem-headers -Werror -Wno-pointer-sign -Wdate-time -Wno-empty-body -Wno-string-plus-int -Wno-unused-const-variable -Wno-error=unused-but-set-parameter -Wno-error=cast-function-type-mismatch -Wno-tautological-compare -Wno-unused-value -Wno-parentheses-equality -Wno-unused-function -Wno-enum-conversion -Wno-unused-local-typedef -Wno-address-of-packed-member -Wno-switch -Wno-switch-enum -Wno-knr-promoted-parameter -Wno-parentheses -Qunused-arguments -c /usr/src/contrib/openbsm/libbsm/bsm_flags.c -o bsm_flags.pico --- bsm_io.pico --- /usr/local/bin/ccache cc -target x86_64-unknown-freebsd16.0 --sysroot=/usr/obj/usr/src/amd64.amd64/tmp -B/usr/obj/usr/src/amd64.amd64/tmp/usr/bin -fpic -DPIC -O2 -pipe -fno-common -I/usr/src/contrib/openbsm -I/usr/src/contrib/openbsm/libbsm -g -gz=zlib -MD -MF.depend.bsm_io.pico -MTbsm_io.pico -std=gnu17 -Wno-format-zero-length -nobuiltininc -idirafter /usr/lib/clang/19/include -fstack-protector-strong -Wsystem-headers -Werror -Wno-pointer-sign -Wdate-time -Wno-empty-body -Wno-string-plus-int -Wno-unused-const-variable -Wno-error=unused-but-set-parameter -Wno-error=cast-function-type-mismatch -Wno-tautological-compare -Wno-unused-value -Wno-parentheses-equality -Wno-unused-function -Wno-enum-conversion -Wno-unused-local-typedef -Wno-address-of-packed-member -Wno-switch -Wno-switch-enum -Wno-knr-promoted-parameter -Wno-parentheses -Qunused-arguments -c /usr/src/contrib/openbsm/libbsm/bsm_io.c -o bsm_io.pico --- all_subdir_lib/libdevdctl --- --- consumer.o --- In file included from /usr/src/lib/libdevdctl/consumer.cc:50: In file included from /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/list:205: In file included from /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/__algorithm/lexicographical_compare.h:14: In file included from /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/__algorithm/mismatch.h:15: /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/__algorithm/simd_utils.h:96:50: error: explicit template parameter list for lambdas is a C++20 extension [-Werror,-Wc++20-extensions] 96 | inline constexpr size_t __simd_vector_size_v = []<bool _False = false>() -> size_t { | ^ /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/__algorithm/simd_utils.h:114:13: error: explicit template parameter list for lambdas is a C++20 extension [-Werror,-Wc++20-extensions] 114 | return [=]<size_t... _Indices>(index_sequence<_Indices...>) _LIBCPP_ALWAYS_INLINE noexcept { | ^ /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/__algorithm/simd_utils.h:129:20: error: explicit template parameter list for lambdas is a C++20 extension [-Werror,-Wc++20-extensions] 129 | auto __impl = [&]<class _MaskT>(_MaskT) _LIBCPP_NO_SANITIZE("memory") noexcept { | ^ In file included from /usr/src/lib/libdevdctl/consumer.cc:50: In file included from /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/list:205: In file included from /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/__algorithm/lexicographical_compare.h:14: In file included from /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/__algorithm/mismatch.h:29: /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/__utility/pair.h:140:11: error: explicit(bool) is a C++20 extension [-Werror,-Wc++20-extensions] 140 | explicit(!_CheckArgsDep::__enable_implicit_default()) _LIBCPP_HIDE_FROM_ABI constexpr pair() noexcept( | ^ /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/__utility/pair.h:147:41: error: explicit(bool) is a C++20 extension [-Werror,-Wc++20-extensions] 147 | _LIBCPP_CONSTEXPR_SINCE_CXX14 explicit(!_CheckArgsDep::template __is_implicit<_T1 const&, _T2 const&>()) | ^ /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/__utility/pair.h:162:41: error: explicit(bool) is a C++20 extension [-Werror,-Wc++20-extensions] 162 | _LIBCPP_CONSTEXPR_SINCE_CXX14 explicit(!__check_pair_construction<_T1, _T2>::template __is_implicit<_U1, _U2>()) | ^ /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/__utility/pair.h:183:63: error: explicit(bool) is a C++20 extension [-Werror,-Wc++20-extensions] 183 | _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 explicit( | ^ /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/__utility/pair.h:193:41: error: explicit(bool) is a C++20 extension [-Werror,-Wc++20-extensions] 193 | _LIBCPP_CONSTEXPR_SINCE_CXX14 explicit(!__check_pair_construction<_T1, _T2>::template __is_implicit<_U1, _U2>()) | ^ In file included from /usr/src/lib/libdevdctl/consumer.cc:50: In file included from /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/list:225: In file included from /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/__memory_resource/polymorphic_allocator.h:22: /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/tuple:560:43: error: explicit(bool) is a C++20 extension [-Werror,-Wc++20-extensions] 560 | _LIBCPP_HIDE_FROM_ABI constexpr explicit(_Not<_Lazy<_And, _IsImpDefault<_Tp>...> >::value) | ^ /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/tuple:567:63: error: explicit(bool) is a C++20 extension [-Werror,-Wc++20-extensions] 567 | _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 explicit(_Not<_Lazy<_And, _IsImpDefault<_Tp>...> >::value) | ^ /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/tuple:580:41: error: explicit(bool) is a C++20 extension [-Werror,-Wc++20-extensions] 580 | _LIBCPP_CONSTEXPR_SINCE_CXX14 explicit(_Not<_Lazy<_And, is_convertible<const _Tp&, _Tp>...> >::value) | ^ /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/tuple:592:41: error: explicit(bool) is a C++20 extension [-Werror,-Wc++20-extensions] 592 | _LIBCPP_CONSTEXPR_SINCE_CXX20 explicit(_Not<_Lazy<_And, is_convertible<const _Tp&, _Tp>...> >::value) | ^ /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/tuple:617:63: error: explicit(bool) is a C++20 extension [-Werror,-Wc++20-extensions] 617 | _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 explicit(_Not<_Lazy<_And, is_convertible<_Up, _Tp>...> >::value) | ^ /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/tuple:629:63: error: explicit(bool) is a C++20 extension [-Werror,-Wc++20-extensions] 629 | _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 explicit(_Not<_Lazy<_And, is_convertible<_Up, _Tp>...> >::value) | ^ /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/tuple:684:41: error: explicit(bool) is a C++20 extension [-Werror,-Wc++20-extensions] 684 | _LIBCPP_CONSTEXPR_SINCE_CXX14 explicit(_Not<_Lazy<_And, is_convertible<const _Up&, _Tp>...> >::value) | ^ /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/tuple:692:41: error: explicit(bool) is a C++20 extension [-Werror,-Wc++20-extensions] 692 | _LIBCPP_CONSTEXPR_SINCE_CXX20 explicit(_Not<_Lazy<_And, is_convertible<const _Up&, _Tp>...> >::value) | ^ /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/tuple:711:63: error: explicit(bool) is a C++20 extension [-Werror,-Wc++20-extensions] 711 | _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 explicit(_Not<_Lazy<_And, is_convertible<_Up, _Tp>...> >::value) | ^ /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/tuple:718:63: error: explicit(bool) is a C++20 extension [-Werror,-Wc++20-extensions] 718 | _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 explicit(_Not<_Lazy<_And, is_convertible<_Up, _Tp>...> >::value) | ^ /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/tuple:768:41: error: explicit(bool) is a C++20 extension [-Werror,-Wc++20-extensions] 768 | _LIBCPP_CONSTEXPR_SINCE_CXX14 explicit(_Not<_BothImplicitlyConvertible<const pair<_Up1, _Up2>&> >::value) | ^ fatal error: too many errors emitted, stopping now [-ferror-limit=] 20 errors generated. *** [consumer.o] Error code 1 make[5]: stopped making "all" in /usr/src/lib/libdevdctl --- event.o --- In file included from /usr/src/lib/libdevdctl/event.cc:55: In file included from /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/iostream:45: In file included from /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/ios:228: In file included from /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/__locale:20: In file included from /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/__mutex/once_flag.h:22: /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/tuple:560:43: error: explicit(bool) is a C++20 extension [-Werror,-Wc++20-extensions] 560 | _LIBCPP_HIDE_FROM_ABI constexpr explicit(_Not<_Lazy<_And, _IsImpDefault<_Tp>...> >::value) | ^ /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/tuple:567:63: error: explicit(bool) is a C++20 extension [-Werror,-Wc++20-extensions] 567 | _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 explicit(_Not<_Lazy<_And, _IsImpDefault<_Tp>...> >::value) | ^ /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/tuple:580:41: error: explicit(bool) is a C++20 extension [-Werror,-Wc++20-extensions] 580 | _LIBCPP_CONSTEXPR_SINCE_CXX14 explicit(_Not<_Lazy<_And, is_convertible<const _Tp&, _Tp>...> >::value) | ^ /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/tuple:592:41: error: explicit(bool) is a C++20 extension [-Werror,-Wc++20-extensions] 592 | _LIBCPP_CONSTEXPR_SINCE_CXX20 explicit(_Not<_Lazy<_And, is_convertible<const _Tp&, _Tp>...> >::value) | ^ /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/tuple:617:63: error: explicit(bool) is a C++20 extension [-Werror,-Wc++20-extensions] 617 | _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 explicit(_Not<_Lazy<_And, is_convertible<_Up, _Tp>...> >::value) | ^ /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/tuple:629:63: error: explicit(bool) is a C++20 extension [-Werror,-Wc++20-extensions] 629 | _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 explicit(_Not<_Lazy<_And, is_convertible<_Up, _Tp>...> >::value) | ^ /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/tuple:684:41: error: explicit(bool) is a C++20 extension [-Werror,-Wc++20-extensions] 684 | _LIBCPP_CONSTEXPR_SINCE_CXX14 explicit(_Not<_Lazy<_And, is_convertible<const _Up&, _Tp>...> >::value) | ^ /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/tuple:692:41: error: explicit(bool) is a C++20 extension [-Werror,-Wc++20-extensions] 692 | _LIBCPP_CONSTEXPR_SINCE_CXX20 explicit(_Not<_Lazy<_And, is_convertible<const _Up&, _Tp>...> >::value) | ^ /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/tuple:711:63: error: explicit(bool) is a C++20 extension [-Werror,-Wc++20-extensions] 711 | _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 explicit(_Not<_Lazy<_And, is_convertible<_Up, _Tp>...> >::value) | ^ /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/tuple:718:63: error: explicit(bool) is a C++20 extension [-Werror,-Wc++20-extensions] 718 | _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 explicit(_Not<_Lazy<_And, is_convertible<_Up, _Tp>...> >::value) | ^ /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/tuple:768:41: error: explicit(bool) is a C++20 extension [-Werror,-Wc++20-extensions] 768 | _LIBCPP_CONSTEXPR_SINCE_CXX14 explicit(_Not<_BothImplicitlyConvertible<const pair<_Up1, _Up2>&> >::value) | ^ /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/tuple:778:41: error: explicit(bool) is a C++20 extension [-Werror,-Wc++20-extensions] 778 | _LIBCPP_CONSTEXPR_SINCE_CXX20 explicit(_Not<_BothImplicitlyConvertible<const pair<_Up1, _Up2>&> >::value) | ^ /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/tuple:806:41: error: explicit(bool) is a C++20 extension [-Werror,-Wc++20-extensions] 806 | _LIBCPP_CONSTEXPR_SINCE_CXX14 explicit(_Not<_BothImplicitlyConvertible<pair<_Up1, _Up2>&&> >::value) | ^ /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/tuple:816:41: error: explicit(bool) is a C++20 extension [-Werror,-Wc++20-extensions] 816 | _LIBCPP_CONSTEXPR_SINCE_CXX20 explicit(_Not<_BothImplicitlyConvertible<pair<_Up1, _Up2>&&> >::value) | ^ In file included from /usr/src/lib/libdevdctl/event.cc:55: In file included from /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/iostream:45: In file included from /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/ios:228: In file included from /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/__locale:20: In file included from /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/__mutex/once_flag.h:22: In file included from /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/tuple:1443: In file included from /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/utility:257: /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/__utility/pair.h:140:11: error: explicit(bool) is a C++20 extension [-Werror,-Wc++20-extensions] 140 | explicit(!_CheckArgsDep::__enable_implicit_default()) _LIBCPP_HIDE_FROM_ABI constexpr pair() noexcept( | ^ /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/__utility/pair.h:147:41: error: explicit(bool) is a C++20 extension [-Werror,-Wc++20-extensions] 147 | _LIBCPP_CONSTEXPR_SINCE_CXX14 explicit(!_CheckArgsDep::template __is_implicit<_T1 const&, _T2 const&>()) | ^ /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/__utility/pair.h:162:41: error: explicit(bool) is a C++20 extension [-Werror,-Wc++20-extensions] 162 | _LIBCPP_CONSTEXPR_SINCE_CXX14 explicit(!__check_pair_construction<_T1, _T2>::template __is_implicit<_U1, _U2>()) | ^ /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/__utility/pair.h:183:63: error: explicit(bool) is a C++20 extension [-Werror,-Wc++20-extensions] 183 | _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 explicit( | ^ /usr/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/__utility/pair.h:193:41: error: explicit(bool) is a C++20 extension [-Werror,-Wc++20-extensions] 193 | _LIBCPP_CONSTEXPR_SINCE_CXX14 explicit(!__check_pair_construction<_T1, _T2>::template __is_implicit<_U1, _U2>()) | ^ fatal error: too many errors emitted, stopping now [-ferror-limit=] 20 errors generated. *** [event.o] Error code 1 make[5]: stopped making "all" in /usr/src/lib/libdevdctl make[5]: 2 errors make[5]: stopped making "all" in /usr/src/lib/libdevdctl make[4]: stopped making "all" in /usr/src/lib --- all_subdir_lib/libbsm --- make[4]: stopped making "all" in /usr/src/lib --- cddl/lib__L --- make[4]: stopped making "all" in /usr/src/cddl/lib make[3]: stopped making "_generic_libs" in /usr/src --- lib__L --- --- all_subdir_lib/libsqlite3 --- --- sqlite3.o --- --- sqlite3.pico --- make[4]: stopped making "all" in /usr/src/lib make[3]: stopped making "_generic_libs" in /usr/src make[2]: stopped making "libraries" in /usr/src 1250,27 real 3668,94 user 380,70 sys make[1]: stopped making "buildworld" in /usr/src make: stopped making "buildworld" in /usr/src -- You are receiving this mail because: You are the assignee for the bug.home | help
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