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rtlog-cpp's Issues

Allow configuration to use a MPSC queue instead of only a SPSC

Currently, it's required that there is only one thread doing RT Logging (enqueuing ), and another doing the actual loging (dequeing)

ReaderWriterQueue is SPSC, we could possible use ConcurrentQueue by the same author to support multiple realtime threads.

Make sequence number optional

It's possible that not everyone wants to use the sequence number feature.

Is there a reasonable way to make it optional?

Linker errors

Hi, first of all, thanks for this! I've been looking for a proper realtime logging lib for a while without luck, but this looks very promising! :)

I'm having some trouble setting the build up correctly.
Basically the problem is this: I have a header (Logging.h) where all the logging macros, types and severity enums are defined. This includes rtlog.h. However, when Logging.h is then included where ever I need to log things I get duplicate symbols when linking:

[1/1] Linking CXX executable audioapp
FAILED: audioapp 
: && /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang++ -g -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX12.1.sdk -mmacosx-version-min=11.6 -Wl,-search_paths_first -Wl,-headerpad_max_install_names  CMakeFiles/audioapp.dir/Logging.cpp.o CMakeFiles/audioapp.dir/main.cpp.o -o audioapp   && :
duplicate symbol '_stbsp_set_separators' in:
    CMakeFiles/audioapp.dir/Logging.cpp.o
    CMakeFiles/audioapp.dir/main.cpp.o
duplicate symbol '_stbsp_vsprintf' in:
    CMakeFiles/audioapp.dir/Logging.cpp.o
    CMakeFiles/audioapp.dir/main.cpp.o
duplicate symbol '_stbsp_sprintf' in:
    CMakeFiles/audioapp.dir/Logging.cpp.o
    CMakeFiles/audioapp.dir/main.cpp.o
duplicate symbol '_stbsp_vsnprintf' in:
    CMakeFiles/audioapp.dir/Logging.cpp.o
    CMakeFiles/audioapp.dir/main.cpp.o
duplicate symbol '_stbsp_snprintf' in:
    CMakeFiles/audioapp.dir/Logging.cpp.o
    CMakeFiles/audioapp.dir/main.cpp.o
duplicate symbol '_stbsp_vsprintfcb' in:
    CMakeFiles/audioapp.dir/Logging.cpp.o
    CMakeFiles/audioapp.dir/main.cpp.o
duplicate symbol 'evr::gRealtimeLogger' in:
    CMakeFiles/audioapp.dir/Logging.cpp.o
    CMakeFiles/audioapp.dir/main.cpp.o
duplicate symbol 'evr::gSequenceNumber' in:
    CMakeFiles/audioapp.dir/Logging.cpp.o
    CMakeFiles/audioapp.dir/main.cpp.o
ld: 8 duplicate symbols for architecture x86_64

I've made a dead simple example project here, so you can reproduce what I'm doing.
It seems the issue comes down to stb_sprintf.h being built with STB_SPRINTF_IMPLEMENTATION multiple times (one for each cpp including my logging header.

Am I setting this up in a weird way?

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