The toml++ package is a TOML configuration parser for C++.
Install toml++ by running the following commands:
mkdir build && cd build && meson setup --prefix=/usr --buildtype=release .. && ninja
Now, as the root user:
ninja install
--buildtype=release:
Specify a buildtype suitable for stable releases of the package, as
the default may produce unoptimized binaries.
-D generate_cmake_config=false: This
option disables depending on CMake but as a result doesn't generate
CMake find_package files some build systems require.