A lot of libraries are being built with CMake now, which makes it pretty easy to do dependency management. I've also had good luck with vcpkg from Microsoft. They're not as full featured as yarn, mix, or Maven yet, but they're a lot better than a decade ago!
Oh yes CMake is definitely a step forward, but you still need a package manager (other that apt I mean). I've looked a bit, there is things like Conan coming up but I have no idea the actual value of them.
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