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Patch from charlieio@outlook.com Reviewed as https://reviews.llvm.org/D42354 When the following command is used: > clang-cl -std:c++17 -Iinclude\c++\v1 hello.cc c++.lib An error occurred: In file included from hello.cc:1: In file included from include\c++\v1\iostream:38: In file included from include\c++\v1\ios:216: In file included from include\c++\v1\__locale:15: In file included from include\c++\v1\string:477: In file included from include\c++\v1\string_view:176: In file included from include\c++\v1\__string:56: In file included from include\c++\v1\algorithm:643: In file included from include\c++\v1\memory:656: include\c++\v1\new(165,29): error: redefinition of 'align_val_t' enum class _LIBCPP_ENUM_VIS align_val_t : size_t { }; ^ C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.12.25827\include\vcruntime_new.h(43,16): note: previous definition is here enum class align_val_t : size_t {}; ^ 1 error generated. vcruntime_new.h has defined align_val_t, libcxx need hide align_val_t. This patch fixes that error. git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@324853 91177308-0d34-0410-b5e6-96231b3b80d8
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.