[cfe-dev] [libc++] Could we remove all support for building in a mode without R-value references from C++11 library components?

David Chisnall csdavec at swan.ac.uk
Tue May 8 05:28:09 PDT 2012

As I recall, there was a libc++ commit message from Howard about a week or so ago saying that he was working on exactly this...


On 8 May 2012, at 06:33, Chandler Carruth wrote:

> I happen to be looking at <future>, and it is needlessly complicated by a great deal of code to support working in a compilation mode without r-value references. Clang and GCC both support r-value references, and this header is a C++11-only header to begin with, so it seems that the need for this has past. Could we remove it to simplify large parts of libc++? Would it have any negative effects on the ABI? (I assume not on the latter, or at least, switching it off should already have had the ABI effect, so that ship has sailed....)
> -Chandler
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