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Previously, we would issue an #error when using a header that requires threading support or localization support in a configuration where that is disabled. This is unlike what we do for all the other carve outs like no-filesystem, no-wide-characters or no-random-device. Instead of issuing an #error, we normally just remove the problematic parts of the header. This patch makes the handling of no-localization and no-threads consistent with the other carve-outs. I dislike the fact that users won't get an explicit error message when trying to use e.g. ios in a build that doesn't support localization, but I think it is better to handle things consistently. Note that besides the consistency argument, the #error approach doesn't really work anyways since it would break down if we moved towards assuming the C locale only in the no-localization mode.
libc++ Documentation ==================== The libc++ documentation is written using the Sphinx documentation generator. It is currently tested with Sphinx 1.1.3. To build the documents into html configure libc++ with the following cmake options: * -DLLVM_ENABLE_SPHINX=ON * -DLIBCXX_INCLUDE_DOCS=ON After configuring libc++ with these options the make rule `docs-libcxx-html` should be available. The documentation in this directory is published at https://libcxx.llvm.org. It is kept up-to-date by a build bot: https://lab.llvm.org/buildbot/#/builders/publish-sphinx-docs. If you notice that the documentation is not updating anymore, please contact one of the maintainers.