[racket-dev] heads-up on gcc->clang switch

From: John Clements (clements at brinckerhoff.org)
Date: Sun Sep 18 18:50:00 EDT 2011

On Sep 18, 2011, at 3:33 PM, Sam Tobin-Hochstadt wrote:

> Apple has already switched to clang, that happened with XCode 4.
> Previously, they shipped both and old version of GCC (4.2), and a
> compiler which used the GCC frontend and an LLVM backend.  They made
> this switch because they didn't like the GPL version 3, which recent
> versions of GCC (and other GNU software) use.
> There are two different projects for using GCC as a frontend for LLVM,
> called llvm-gcc and DragonEgg, with the latter being more up-to-date,
> I believe.
> There wouldn't be any point in using GCC as a front-end for clang,
> since clang is just a front-end for LLVM.

Everything you say makes sense: one other note--AFAICT, XCode 4 is not (yet?) free for platforms other than Lion.


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