[cfe-dev] Distributing libclang-cpp.dll for Windows in the pre-built downloads

[Michael Kruse via cfe-dev]

As far as I know, these libraries are not supported on Windows.

Windows DLLs have a limit of 2^16 exported symbols, that LLVM
unfortunately exceeds.

Michael

Am Di., 17. März 2020 um 19:17 Uhr schrieb Stephen Crane via cfe-dev
<cfe-dev at lists.llvm.org>:
>
> Hi all,
>
> I'm working to transition rust-bindgen from libclang to using the
> clang libtooling C++ interface directly. This is unfortunately
> necessary because there is a great deal of details about AST nodes
> that we need but isn't exposed by libclang. I'm comfortable using and
> maintaining a library interface on top of the C++ APIs, that's not a
> problem.
>
> However, I am hitting a wall on distribution for Windows. Would it at
> all a possibility to include the new libclang-cpp library and headers
> on Windows in the pre-built binaries? The only real alternative I see
> is making users build LLVM+Clang from source, which seems prohibitive
> in many cases, or distributing my own binary build, which I prefer not
> to resort to for a single open-source Rust tool.
>
> Adding C++ libraries on Windows potentially introduces issues by
> exposing the C++ ABI directly,  so I think we would have to specify
> which C++ library and toolchain each release was built with.
>
> Thanks,
> Stephen
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