Martijn van Oosterhout <kleptog@svana.org> writes:
> Eh? It stops a program expecting libpq4 being linked to libpq3 for any
> reason, so the above situation can't happen. You don't need to version
> any structs, only the functions using them.
If we have an existing app built against an unversioned libpq, what
happens if we roll in a versioned libpq? Does it break completely?
That is, is the introduction of versioning by itself an incompatible
ABI break?
regards, tom lane
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