Hi, On 2020-02-13 12:25:40 +0900, Michael Paquier wrote: > On Wed, Feb 12, 2020 at 12:05:11PM -0800, Andres Freund wrote: > > Yes, LLVM would work on windows. I'd not even be surprised if one could > > make it work on windows already when using a mingw based build, instead > > of msvc. > > For MSVC, assuming that you have the proper dependencies for JIT > compilation and LLVM available, and just for the reference if anybody > is interesting in making that happen (Tom and Andres are aware of that > already), one would need to do roughly an update of src/tools/msvc/ to > add a new option path to LLVM, and update install-windows.sgml to add > the new optional dependency. Note that including LLVM in the builds > means adding conditionally the files part of src/backend/jit/llvm/, > but one can take for example OpenSSL as a model of how it happens. > That would take care of the build. That's not really the hard part. That's integrating the generation of LLVM bitcode files into the buildsystem. As the absolute minimum llvmjit_types.bc needs to be generated, but to be meaningfully supported we'd need to generate all the .bc files we're generating on make based builds. Greetings, Andres Freund
