Compile error

[vaskark]

I'm running into this error compiling waybar (latest-git) on Ubuntu 26.04 with fmt (latest-git):

ninja: Entering directory `build'
[45/217] Compiling C++ object test/utils/utils_test.p/.._.._src_config.cpp.o
FAILED: [code=1] test/utils/utils_test.p/.._.._src_config.cpp.o 
clang++ -Itest/utils/utils_test.p -Itest/utils -I../test/utils -I../include -I/usr/local/include -I/usr/include/gtkmm-3.0 -I/usr/lib/x86_64-linux-gnu/gtkmm-3.0/include -I/usr/include/giomm-2.4 -I/usr/lib/x86_64-linux-gnu/giomm-2.4/include -I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include -I/usr/include/sysprof-6 -I/usr/include/libmount -I/usr/include/blkid -I/usr/include/glibmm-2.4 -I/usr/lib/x86_64-linux-gnu/glibmm-2.4/include -I/usr/include/sigc++-2.0 -I/usr/lib/x86_64-linux-gnu/sigc++-2.0/include -I/usr/include/gtk-3.0 -I/usr/include/pango-1.0 -I/usr/include/harfbuzz -I/usr/include/freetype2 -I/usr/include/libpng16 -I/usr/include/fribidi -I/usr/include/cairo -I/usr/include/pixman-1 -I/usr/include/gdk-pixbuf-2.0 -I/usr/include/x86_64-linux-gnu -I/usr/include/webp -I/usr/include/gio-unix-2.0 -I/usr/include/atk-1.0 -I/usr/include/at-spi2-atk/2.0 -I/usr/include/at-spi-2.0 -I/usr/include/dbus-1.0 -I/usr/lib/x86_64-linux-gnu/dbus-1.0/include -I/usr/include/cairomm-1.0 -I/usr/lib/x86_64-linux-gnu/cairomm-1.0/include -I/usr/include/pangomm-1.4 -I/usr/lib/x86_64-linux-gnu/pangomm-1.4/include -I/usr/include/atkmm-1.6 -I/usr/lib/x86_64-linux-gnu/atkmm-1.6/include -I/usr/include/gtk-3.0/unix-print -I/usr/include/gdkmm-3.0 -I/usr/lib/x86_64-linux-gnu/gdkmm-3.0/include -I/usr/include/jsoncpp -fdiagnostics-color=always -D_GLIBCXX_ASSERTIONS=1 -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -std=c++20 -O3 '-DVERSION="0.15.0 (branch '"'"'master'"'"')"' -DHAVE_LANGINFO_1STDAY '-DSYSCONFDIR="/usr/local/etc"' -DHAVE_CPU_LINUX -DHAVE_MEMORY_LINUX -DHAVE_SYSTEMD_MONITOR -DHAVE_SWAY -DHAVE_WLR_TASKBAR -DHAVE_EXT_WORKSPACES -DHAVE_RIVER -DHAVE_DWL -DHAVE_HYPRLAND -DHAVE_NIRI -DHAVE_WAYFIRE -DHAVE_LOGIN_PROXY -DHAVE_LIBNL -DHAVE_GAMEMODE -DHAVE_LOGIND_INHIBITOR -DHAVE_UPOWER -DHAVE_PIPEWIRE -DHAVE_MPRIS -DHAVE_LIBPULSE -DHAVE_LIBJACK -DHAVE_LIBWIREPLUMBER -DHAVE_DBUSMENU -DHAVE_LIBUDEV -DHAVE_LIBEVDEV -DHAVE_LIBINPUT -DHAVE_LIBMPDCLIENT -DHAVE_LIBSNDIO -DWANT_RFKILL -DHAVE_CHRONO_TIMEZONES -DHAVE_LIBCAVA -DHAVE_LIBCAVAGLSL -DHAVE_LIBGPS -DSPDLOG_COMPILED_LIB -pthread -MD -MQ test/utils/utils_test.p/.._.._src_config.cpp.o -MF test/utils/utils_test.p/.._.._src_config.cpp.o.d -o test/utils/utils_test.p/.._.._src_config.cpp.o -c ../src/config.cpp
In file included from ../src/config.cpp:15:
In file included from ../include/util/json.hpp:3:
In file included from /usr/local/include/fmt/ostream.h:23:
/usr/local/include/fmt/chrono.h:546:3: error: unknown type name 'ullong'
  546 |   ullong digits = a | (b << 24) | (static_cast<ullong>(c) << 48);
      |   ^
/usr/local/include/fmt/chrono.h:546:48: error: unknown type name 'ullong'
  546 |   ullong digits = a | (b << 24) | (static_cast<ullong>(c) << 48);
      |                                                ^
/usr/local/include/fmt/chrono.h:560:27: error: unknown type name 'ullong'
  560 |   auto usep = static_cast<ullong>(sep);
      |                           ^
3 errors generated.
[46/217] Compiling C++ object test/waybar_test.p/.._src_config.cpp.o
FAILED: [code=1] test/waybar_test.p/.._src_config.cpp.o 
clang++ -Itest/waybar_test.p -Itest -I../test -I../include -I/usr/local/include -I/usr/include/gtkmm-3.0 -I/usr/lib/x86_64-linux-gnu/gtkmm-3.0/include -I/usr/include/giomm-2.4 -I/usr/lib/x86_64-linux-gnu/giomm-2.4/include -I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include -I/usr/include/sysprof-6 -I/usr/include/libmount -I/usr/include/blkid -I/usr/include/glibmm-2.4 -I/usr/lib/x86_64-linux-gnu/glibmm-2.4/include -I/usr/include/sigc++-2.0 -I/usr/lib/x86_64-linux-gnu/sigc++-2.0/include -I/usr/include/gtk-3.0 -I/usr/include/pango-1.0 -I/usr/include/harfbuzz -I/usr/include/freetype2 -I/usr/include/libpng16 -I/usr/include/fribidi -I/usr/include/cairo -I/usr/include/pixman-1 -I/usr/include/gdk-pixbuf-2.0 -I/usr/include/x86_64-linux-gnu -I/usr/include/webp -I/usr/include/gio-unix-2.0 -I/usr/include/atk-1.0 -I/usr/include/at-spi2-atk/2.0 -I/usr/include/at-spi-2.0 -I/usr/include/dbus-1.0 -I/usr/lib/x86_64-linux-gnu/dbus-1.0/include -I/usr/include/cairomm-1.0 -I/usr/lib/x86_64-linux-gnu/cairomm-1.0/include -I/usr/include/pangomm-1.4 -I/usr/lib/x86_64-linux-gnu/pangomm-1.4/include -I/usr/include/atkmm-1.6 -I/usr/lib/x86_64-linux-gnu/atkmm-1.6/include -I/usr/include/gtk-3.0/unix-print -I/usr/include/gdkmm-3.0 -I/usr/lib/x86_64-linux-gnu/gdkmm-3.0/include -I/usr/include/jsoncpp -fdiagnostics-color=always -D_GLIBCXX_ASSERTIONS=1 -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -std=c++20 -O3 '-DVERSION="0.15.0 (branch '"'"'master'"'"')"' -DHAVE_LANGINFO_1STDAY '-DSYSCONFDIR="/usr/local/etc"' -DHAVE_CPU_LINUX -DHAVE_MEMORY_LINUX -DHAVE_SYSTEMD_MONITOR -DHAVE_SWAY -DHAVE_WLR_TASKBAR -DHAVE_EXT_WORKSPACES -DHAVE_RIVER -DHAVE_DWL -DHAVE_HYPRLAND -DHAVE_NIRI -DHAVE_WAYFIRE -DHAVE_LOGIN_PROXY -DHAVE_LIBNL -DHAVE_GAMEMODE -DHAVE_LOGIND_INHIBITOR -DHAVE_UPOWER -DHAVE_PIPEWIRE -DHAVE_MPRIS -DHAVE_LIBPULSE -DHAVE_LIBJACK -DHAVE_LIBWIREPLUMBER -DHAVE_DBUSMENU -DHAVE_LIBUDEV -DHAVE_LIBEVDEV -DHAVE_LIBINPUT -DHAVE_LIBMPDCLIENT -DHAVE_LIBSNDIO -DWANT_RFKILL -DHAVE_CHRONO_TIMEZONES -DHAVE_LIBCAVA -DHAVE_LIBCAVAGLSL -DHAVE_LIBGPS -DSPDLOG_COMPILED_LIB -pthread -MD -MQ test/waybar_test.p/.._src_config.cpp.o -MF test/waybar_test.p/.._src_config.cpp.o.d -o test/waybar_test.p/.._src_config.cpp.o -c ../src/config.cpp
In file included from ../src/config.cpp:15:
In file included from ../include/util/json.hpp:3:
In file included from /usr/local/include/fmt/ostream.h:23:
/usr/local/include/fmt/chrono.h:546:3: error: unknown type name 'ullong'
  546 |   ullong digits = a | (b << 24) | (static_cast<ullong>(c) << 48);
      |   ^
/usr/local/include/fmt/chrono.h:546:48: error: unknown type name 'ullong'
  546 |   ullong digits = a | (b << 24) | (static_cast<ullong>(c) << 48);
      |                                                ^
/usr/local/include/fmt/chrono.h:560:27: error: unknown type name 'ullong'
  560 |   auto usep = static_cast<ullong>(sep);
      |                           ^
3 errors generated.
[58/217] Compiling C++ object waybar.p/src_factory.cpp.o
In file included from ../src/factory.cpp:109:
In file included from ../include/modules/wireplumber.hpp:4:
In file included from /usr/include/wireplumber-0.5/wp/wp.h:25:
/usr/include/wireplumber-0.5/wp/log.h:112:24: warning: bitwise operation between different enumeration types ('WpLogTopicFlags' and 'GLogLevelFlags') is deprecated [-Wdeprecated-enum-enum-conversion]
  112 |   return (topic->flags & log_level & WP_LOG_TOPIC_LEVEL_MASK) != 0;
      |           ~~~~~~~~~~~~ ^ ~~~~~~~~~
1 warning generated.
ninja: build stopped: subcommand failed.

Any help would be appreciated.
Thanks.

[vaskark]

Edit: I rebuilt using fmt 12.1.0 and it worked. Closing.