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Re: Looking into LLVM

On Sun, Oct 25, 2009 at 12:21 PM, Kevin Kofler <kevin kofler chello at> wrote:
Rahul Sundaram wrote:
> LLVM 2.6 has been announced with Clang declared as production quality in
> this release
> http://lists.cs.uiuc.edu/pipermail/llvm-announce/2009-October/000033.html
> Has anyone been looking into building Fedora with it to see how the
> performance impact is?

A lot of upstream software on GNU/Linux only supports GCC. Clang tries to
support GCC extensions, but I strongly doubt it'll compile all upstream code
unchanged, and upstream projects might even reject patches to fix the build
with Clang because they only support GCC.

       Kevin Kofler

Also, clang's support with C++ ABI is still very broken. It's listed under known issues. While most applications are made with C or Python, there are still a fair number of C++ applications...

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