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Typically libc++ uses libc++abi or libcxxrt to provide the ABI and runtime bits of the C++ STL. However we also support building w/o an ABI library entirely. This patch fixes building libc++ w/o an ABI library (and incorporates the `~type_info()` fix in D28211). The main changes in this patch are: 1) Add `-DLIBCXX_CXX_ABI=default` instead of using the empty string to mean "default". 2) Fix CMake bits which treated "none" as "default" on OS X. 3) Teach the source files to respect `-D_LIBCPP_BUILDING_HAS_NO_ABI_LIBRARY`. 4) Define ~type_info() when _LIBCPP_BUILDING_HAS_NO_ABI_LIBRARY is defined. Unfortunately this patch doesn't help clean up the macro mess that we use to configure for different ABI libraries. git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@290839 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.