[rust-dev] LLVM versions

Graydon Hoare graydon at mozilla.com
Tue Apr 16 11:35:21 PDT 2013

On 09/04/2013 2:17 AM, Sanghyeon Seo wrote:

> LLVM is known to make no promise of API stability between versions,
> so if Rust in the future is to support compilation with system LLVM
> (which it doesn't at the moment), it should be wary of these problems.
> Although some LLVM users try to suppot multiple versions of LLVM,
> I am not sure whether Rust should do so.

I would not spend a lot of energy supporting multiple versions. "As many 
versions as are easy" is fine by me. LLVM is big but not impossibly big, 
and if we wind up needing a different-than-trunk version on a given 
system, I think it will not be the end of the world.


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