Andres Freund <andres@xxxxxxxxxxx> writes: > On 2020-02-12 09:39:19 +0100, Josef Šimánek wrote: >> I'm not aware of any PG 12 Windows installer with JIT/LLVM enabled. > It's not currently supported by the windows buildsystem. I don't > personally have the expertise to change that (I've not worked on windows > after ~2003). So somebody would have to step in to make that work, > first. First you would need either a Windows-native LLVM, or a JIT provider based on Microsoft's compiler. I don't know if the former exists (it would not be our job to create it). I'm not sure if the latter is possible, but for sure it'd be a large task if it is possible. regards, tom lane