[cfe-dev] Chrome/mac is all-clang, all-the-time

Marc J. Driftmeyer mjd at reanimality.com
Sat Oct 29 20:23:33 PDT 2011

That's rather disappointing to read that you don't intende to change the 
Linux build to Clang.

One would assume when Concurrency work is done in Clang that you'd make 
the switch. The more projects move to LLVM/Clang the less the number of 
dependencies arise, unlike the behemoth that has become the GCC 
Collection. The number of packages alone in Debian, Ubuntu, Redhat and 
others is just absurd.

If you offer clang built Linux versions for Debian with their FreeBSD 
project I'm sure the appreciation would be well received.

I'll be pushing for GNOME to move more of it's infrastructure to 
LLVM/Clang as well.

If Qt makes LLVM/Clang a first class citizen to build it's frameworks it 
would go a long way for the KDE Project to make their infrastructure 
LLVM/Clang friendly.

Yet, differentiating Chrome from being built with clang formally on 
Linux and even Windows seems a more political solution than a technical one.

- Marc

On 10/28/2011 02:01 PM, Nico Weber wrote:
> Hi,
> I think I never sent an official announcement to this list, so here
> goes: Starting with chrome 15, which was released this week, the
> official chrome/mac binary is built with clang. We also use clang on
> all our mac buildbots, and stopped supporting gcc 4.2. Chrome's
> performance stayed the same after the switch (but many of the
> performance numbers we measure are in v8-jitted code), and the
> uncompressed binary size went down 10%.
> The official chrome/linux is still built with gcc, and we don't intend
> to change that, but we have a clang builder on linux as well, for
> clang's diagnostics.
> We do a build of trunk clang every friday, and use this to build the
> development versions of chrome/mac. When we branch for a release, the
> current plan is to create a branch in the clang repo as well and merge
> critical clang fixes there if the need arises. For chrome 15, it looks
> like we picked a revision that didn't need any fixes, so we didn't
> create any branches so far.
> Nico
> ps: The binaries we use to build chrome are available at
> http://commondatastorage.googleapis.com/chromium-browser-clang/index.html
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Marc J. Driftmeyer
Email :: mjd at reanimality.com <mailto:mjd at reanimality.com>
Web :: http://www.reanimality.com
Cell :: (509) 435-5212
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