[cfe-dev] Summary: LLVM and Clang planning to enable some subset of C++11 *after* the 3.4 release!

[Chandler Carruth]

See the over 100-email thread on both mailing lists and the commits I just
made to the release notes for LLVM and Clang.

A summary from the new section of the release notes:

This is expected to be the last release of LLVM and Clang which compiles
using a C++98 toolchain. We expect to start using some C++11 features in
LLVM and other sub-projects starting after this release. That said, we are
committed to supporting a reasonable set of modern C++ toolchains as the
host compiler on all of the platforms. This will at least include Visual
Studio 2012 on Windows, and Clang 3.1 or GCC 4.7.x on Mac and Linux. The
final set of compilers (and the C++11 features they support) is not set in
stone, but we wanted users of LLVM to have a heads up that the next release
will involve a substantial change in the host toolchain requirements.


We are still interested in understanding any problems or challenges this
will present to users and contributors to LLVM and Clang, so don't feel
like the discussion is over or the decision can never be reversed. =] I
look forward to your comments, but consider at least skimming the previous
thread to avoid repetition. (I know its too long....)


-Chandler (your resident trouble maker)
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