spdlog 1.17.0
=
https://github.com/gabime/spdlog/archive/refs/tags/v1.17.0.tar.gz

``` sh *** build ***
mkdir -p build && cd build
cmake .. \
  -DCMAKE_INSTALL_PREFIX=/pkg/gnu/spdlog \
  -DCMAKE_BUILD_TYPE=Release
cmake --build . -j$(nproc)
cmake --install .
```

  -DSPDLOG_BUILD_SHARED=ON