Regression in fmt 10+ with gcc: error: 'current_zone' is not a member of 'std::chrono' #4160
Description
Example of the issue: complexlogic/rsgain#126
The same code builds fine against libfmt 9, but fails with 10 and 11. Identical compiler is being used, gcc 14.2.0.
Log:
make[2]: Leaving directory `/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_audio_rsgain/rsgain/work/build'
/usr/bin/make -f src/CMakeFiles/rsgain.dir/build.make src/CMakeFiles/rsgain.dir/build
make[2]: Entering directory `/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_audio_rsgain/rsgain/work/build'
[ 16%] Building CXX object src/CMakeFiles/rsgain.dir/easymode.cpp.o
cd /opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_audio_rsgain/rsgain/work/build/src && /opt/local/bin/ccache /opt/local/bin/g++-mp-14 -DBUILD_DATE=\"2024-09-12\" -I/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_audio_rsgain/rsgain/work/build -isystem /opt/local/include -isystem /opt/local/include/taglib -isystem /opt/local/include/libfmt11 -pipe -Os -DNDEBUG -I/opt/local/include -D_GLIBCXX_USE_CXX11_ABI=0 -std=gnu++20 -arch ppc -mmacosx-version-min=10.6 -MD -MT src/CMakeFiles/rsgain.dir/easymode.cpp.o -MF CMakeFiles/rsgain.dir/easymode.cpp.o.d -o CMakeFiles/rsgain.dir/easymode.cpp.o -c /opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_audio_rsgain/rsgain/work/rsgain-3.5.2/src/easymode.cpp
[ 33%] Building CXX object src/CMakeFiles/rsgain.dir/output.cpp.o
cd /opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_audio_rsgain/rsgain/work/build/src && /opt/local/bin/ccache /opt/local/bin/g++-mp-14 -DBUILD_DATE=\"2024-09-12\" -I/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_audio_rsgain/rsgain/work/build -isystem /opt/local/include -isystem /opt/local/include/taglib -isystem /opt/local/include/libfmt11 -pipe -Os -DNDEBUG -I/opt/local/include -D_GLIBCXX_USE_CXX11_ABI=0 -std=gnu++20 -arch ppc -mmacosx-version-min=10.6 -MD -MT src/CMakeFiles/rsgain.dir/output.cpp.o -MF CMakeFiles/rsgain.dir/output.cpp.o.d -o CMakeFiles/rsgain.dir/output.cpp.o -c /opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_audio_rsgain/rsgain/work/rsgain-3.5.2/src/output.cpp
[ 50%] Building CXX object src/CMakeFiles/rsgain.dir/scan.cpp.o
cd /opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_audio_rsgain/rsgain/work/build/src && /opt/local/bin/ccache /opt/local/bin/g++-mp-14 -DBUILD_DATE=\"2024-09-12\" -I/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_audio_rsgain/rsgain/work/build -isystem /opt/local/include -isystem /opt/local/include/taglib -isystem /opt/local/include/libfmt11 -pipe -Os -DNDEBUG -I/opt/local/include -D_GLIBCXX_USE_CXX11_ABI=0 -std=gnu++20 -arch ppc -mmacosx-version-min=10.6 -MD -MT src/CMakeFiles/rsgain.dir/scan.cpp.o -MF CMakeFiles/rsgain.dir/scan.cpp.o.d -o CMakeFiles/rsgain.dir/scan.cpp.o -c /opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_audio_rsgain/rsgain/work/rsgain-3.5.2/src/scan.cpp
[ 66%] Building CXX object src/CMakeFiles/rsgain.dir/rsgain.cpp.o
cd /opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_audio_rsgain/rsgain/work/build/src && /opt/local/bin/ccache /opt/local/bin/g++-mp-14 -DBUILD_DATE=\"2024-09-12\" -I/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_audio_rsgain/rsgain/work/build -isystem /opt/local/include -isystem /opt/local/include/taglib -isystem /opt/local/include/libfmt11 -pipe -Os -DNDEBUG -I/opt/local/include -D_GLIBCXX_USE_CXX11_ABI=0 -std=gnu++20 -arch ppc -mmacosx-version-min=10.6 -MD -MT src/CMakeFiles/rsgain.dir/rsgain.cpp.o -MF CMakeFiles/rsgain.dir/rsgain.cpp.o.d -o CMakeFiles/rsgain.dir/rsgain.cpp.o -c /opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_audio_rsgain/rsgain/work/rsgain-3.5.2/src/rsgain.cpp
[ 83%] Building CXX object src/CMakeFiles/rsgain.dir/tag.cpp.o
cd /opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_audio_rsgain/rsgain/work/build/src && /opt/local/bin/ccache /opt/local/bin/g++-mp-14 -DBUILD_DATE=\"2024-09-12\" -I/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_audio_rsgain/rsgain/work/build -isystem /opt/local/include -isystem /opt/local/include/taglib -isystem /opt/local/include/libfmt11 -pipe -Os -DNDEBUG -I/opt/local/include -D_GLIBCXX_USE_CXX11_ABI=0 -std=gnu++20 -arch ppc -mmacosx-version-min=10.6 -MD -MT src/CMakeFiles/rsgain.dir/tag.cpp.o -MF CMakeFiles/rsgain.dir/tag.cpp.o.d -o CMakeFiles/rsgain.dir/tag.cpp.o -c /opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_audio_rsgain/rsgain/work/rsgain-3.5.2/src/tag.cpp
In file included from /opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_audio_rsgain/rsgain/work/rsgain-3.5.2/src/output.hpp:66,
from /opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_audio_rsgain/rsgain/work/rsgain-3.5.2/src/output.cpp:51:
/opt/local/include/libfmt11/fmt/chrono.h: In function 'tm fmt::v11::localtime(std::chrono::local_time<_Duration>)':
/opt/local/include/libfmt11/fmt/chrono.h:559:38: error: 'current_zone' is not a member of 'std::chrono'
559 | detail::to_time_t(std::chrono::current_zone()->to_sys(time)));
| ^~~~~~~~~~~~
make[2]: *** [src/CMakeFiles/rsgain.dir/output.cpp.o] Error 1
make[2]: *** Waiting for unfinished jobs....
In file included from /opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_audio_rsgain/rsgain/work/rsgain-3.5.2/src/output.hpp:66,
from /opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_audio_rsgain/rsgain/work/rsgain-3.5.2/src/tag.cpp:65:
/opt/local/include/libfmt11/fmt/chrono.h: In function 'tm fmt::v11::localtime(std::chrono::local_time<_Duration>)':
/opt/local/include/libfmt11/fmt/chrono.h:559:38: error: 'current_zone' is not a member of 'std::chrono'
559 | detail::to_time_t(std::chrono::current_zone()->to_sys(time)));
| ^~~~~~~~~~~~
make[2]: *** [src/CMakeFiles/rsgain.dir/tag.cpp.o] Error 1
In file included from /opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_audio_rsgain/rsgain/work/rsgain-3.5.2/src/output.hpp:66,
from /opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_audio_rsgain/rsgain/work/rsgain-3.5.2/src/scan.cpp:55:
/opt/local/include/libfmt11/fmt/chrono.h: In function 'tm fmt::v11::localtime(std::chrono::local_time<_Duration>)':
/opt/local/include/libfmt11/fmt/chrono.h:559:38: error: 'current_zone' is not a member of 'std::chrono'
559 | detail::to_time_t(std::chrono::current_zone()->to_sys(time)));
| ^~~~~~~~~~~~
make[2]: *** [src/CMakeFiles/rsgain.dir/scan.cpp.o] Error 1
In file included from /opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_audio_rsgain/rsgain/work/rsgain-3.5.2/src/output.hpp:66,
from /opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_audio_rsgain/rsgain/work/rsgain-3.5.2/src/rsgain.cpp:58:
/opt/local/include/libfmt11/fmt/chrono.h: In function 'tm fmt::v11::localtime(std::chrono::local_time<_Duration>)':
/opt/local/include/libfmt11/fmt/chrono.h:559:38: error: 'current_zone' is not a member of 'std::chrono'
559 | detail::to_time_t(std::chrono::current_zone()->to_sys(time)));
| ^~~~~~~~~~~~
make[2]: *** [src/CMakeFiles/rsgain.dir/rsgain.cpp.o] Error 1
In file included from /opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_audio_rsgain/rsgain/work/rsgain-3.5.2/src/output.hpp:66,
from /opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_audio_rsgain/rsgain/work/rsgain-3.5.2/src/easymode.cpp:26:
/opt/local/include/libfmt11/fmt/chrono.h: In function 'tm fmt::v11::localtime(std::chrono::local_time<_Duration>)':
/opt/local/include/libfmt11/fmt/chrono.h:559:38: error: 'current_zone' is not a member of 'std::chrono'
559 | detail::to_time_t(std::chrono::current_zone()->to_sys(time)));
| ^~~~~~~~~~~~
make[2]: *** [src/CMakeFiles/rsgain.dir/easymode.cpp.o] Error 1
make[2]: Leaving directory `/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_audio_rsgain/rsgain/work/build'
make[1]: *** [src/CMakeFiles/rsgain.dir/all] Error 2
make[1]: Leaving directory `/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_audio_rsgain/rsgain/work/build'
make: *** [all] Error 2