[en4bz]

I'm assuming you're referring to the golang model of statically linking everything. That's not really doable when many popular libraries are (L)GPL'd like glibc and libstdc++. It also doesn't work if you want to provide a shared library and need to be compatible with every possible system. That's not my opinion it's just a deficiency of bazel.

[tadfisher]

Then you build the lowest-supported-version of GCC and glibc, use that as your toolchain in Bazel, and build a dynamic shared library as normal. Using a system-provided toolchain also works, but you have to build on that system using something like Docker, which is certainly an alternative to Bazel but isn't quite meant to serve the same niche.