libfmt version conflict causing the build to fail

[Dromader2137]

When compiling form source or from AUR the following errors appear:

/usr/bin/ld: warning: libfmt.so.10, needed by /usr/lib/libspdlog.so.1.13.0, may conflict with libfmt.so.9
/usr/bin/ld: CMakeFiles/abaddon.dir/src/abaddon.cpp.o: in function `void spdlog::logger::log_<Snowflake const&, unsigned int const&>(spdlog::source_loc, spdlog::level::level_enum, fmt::v9::basic_string_view<char>, Snowflake const&, unsigned int const&)':
abaddon.cpp:(.text._ZN6spdlog6logger4log_IJRK9SnowflakeRKjEEEvNS_10source_locENS_5level10level_enumEN3fmt2v917basic_string_viewIcEEDpOT_[_ZN6spdlog6logger4log_IJRK9SnowflakeRKjEEEvNS_10source_locENS_5level10level_enumEN3fmt2v917basic_string_viewIcEEDpOT_]+0x140): undefined reference to `spdlog::details::log_msg::log_msg(spdlog::source_loc, fmt::v9::basic_string_view<char>, spdlog::level::level_enum, fmt::v9::basic_string_view<char>)'
/usr/bin/ld: CMakeFiles/abaddon.dir/src/audio/devices.cpp.o: in function `AudioDevices::SetDevices(ma_device_info*, unsigned int, ma_device_info*, unsigned int)':
devices.cpp:(.text+0x8e4): undefined reference to `spdlog::details::log_msg::log_msg(spdlog::source_loc, fmt::v9::basic_string_view<char>, spdlog::level::level_enum, fmt::v9::basic_string_view<char>)'
/usr/bin/ld: devices.cpp:(.text+0xa34): undefined reference to `spdlog::details::log_msg::log_msg(spdlog::source_loc, fmt::v9::basic_string_view<char>, spdlog::level::level_enum, fmt::v9::basic_string_view<char>)'
/usr/bin/ld: CMakeFiles/abaddon.dir/src/audio/manager.cpp.o: in function `mgr_log_callback(void*, unsigned int, char const*)':
manager.cpp:(.text+0x78b): undefined reference to `spdlog::details::log_msg::log_msg(spdlog::source_loc, fmt::v9::basic_string_view<char>, spdlog::level::level_enum, fmt::v9::basic_string_view<char>)'
/usr/bin/ld: manager.cpp:(.text+0x831): undefined reference to `spdlog::details::log_msg::log_msg(spdlog::source_loc, fmt::v9::basic_string_view<char>, spdlog::level::level_enum, fmt::v9::basic_string_view<char>)'
/usr/bin/ld: CMakeFiles/abaddon.dir/src/audio/manager.cpp.o:manager.cpp:(.text+0x8c9): more undefined references to `spdlog::details::log_msg::log_msg(spdlog::source_loc, fmt::v9::basic_string_view<char>, spdlog::level::level_enum, fmt::v9::basic_string_view<char>)' follow

I tried uninstalling fmt9, but I found out it is needed.

[ouwou]

this is probably an issue with your installation. try giving everything a clean rebuild and clean reinstall spdlog? it looks like your build system is using fmt v9 headers but linking against fmt v10

[Dromader2137]

Can I force the build system to use fmt 10 for both? Asking, because reinstalling spdlog would be a pain as many programs depend on it.

[ouwou]

you could try to force abaddon's build to use the bundled version of fmt with -DSPDLOG_FMT_EXTERNAL=ON passed to cmake. it should use the bundled version by default, though (idk why it doesnt. im not too good with arch). not sure if that causes issues but maybe you can find something if that doesnt work on spdlog's repo

[Dromader2137]

Yeah, using the bundled version worked. Thanks