Fall back to querying libc.so.6 if ldd can’t detect libc implementation. #17657
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Summary
Needed for correct configuration on systems that hide the libc implementation info in
ldd
output, like Gentoo.Test Plan
This can be easily tested on a Gentoo system by trying to build Netdata by hand with eBPF enabled.
Without this PR, the configuration step will fail due to not being able to identify the libc implementation.
With this PR, the configuration step should succeed and correctly detect the libc implementation.
Additional Information
Fixes: #17651