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It has an extern template instantiation declaration in the headers and a corresponding instantiation definition in the library, so we must mark it with _LIBCPP_FUNC_VIS to make it available outside the library. This doesn't cause any ABI changes as-is since we don't build libc++ with hidden visibility (so the function is exported anyway). It's needed for building libc++ with hidden visibility, however. Clarify the Windows behavior for extern function templates while I'm here, since this exercises that behavior. git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@307966 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.