It seems that both RHEL [1] and Ubuntu Pro have docs on FIPS, so it looks like the distribution vendors have thought about this problem, at least for paying customers. Might you be able to sketch out what the problem with FIPS compliance on Linux is?
You live in a parallel universe where wolfssl doesn't exist?
Oh I know about this, but tell what’s simpler: Embed wolfssl per app / make it work with openssl as a module (for system wide usage) or turn a registry key to true?