[llvm-dev] How to Switch to Static Runtime and Enable C++ Exceptions?

[Reid Kleckner via llvm-dev]

On Mon, Oct 28, 2019 at 5:11 AM Alexandre Ganea via llvm-dev <
llvm-dev at lists.llvm.org> wrote:

> You can’t enable the static CRT through the command-line. You would need
> to apply this patch: https://reviews.llvm.org/D55056
> (although it doesn’t work with lldb)
>

Are you sure? I would expect `cmake -DLLVM_USE_CRT_RELEASE=MT` to use the
static CRT.

I think Zach is correct, Osman can use -DLLVM_ENABLE_EH=ON, and it will
enable exceptions.

You're still getting a warning from the benchmark library because
LLVM's cmake forcibly disables benchmark library exceptions here:
https://github.com/llvm/llvm-project/blob/2724d9e/llvm/CMakeLists.txt#L1094
That's probably a bug, it should probably be dependent on LLVM_ENABLE_EH.
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