This is an archive of the discontinued LLVM Phabricator instance.

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	- The header ``<experimental/filesystem>`` has been removed. Instead, use			- The header ``<experimental/filesystem>`` has been removed. Instead, use
	``<filesystem>`` header. The associated macro			``<filesystem>`` header. The associated macro
	``_LIBCPP_DEPRECATED_EXPERIMENTAL_FILESYSTEM`` has also been removed.			``_LIBCPP_DEPRECATED_EXPERIMENTAL_FILESYSTEM`` has also been removed.

	- Some libc++ headers no longer transitively include all of ``<algorithm>``and ``<chrono>``.			- Some libc++ headers no longer transitively include all of ``<algorithm>``and ``<chrono>``.
	If, after updating libc++, you see compiler errors related to missing declarations in			If, after updating libc++, you see compiler errors related to missing declarations in
	namespace ``std``, it might be because one of your source files now needs to			namespace ``std``, it might be because one of your source files now needs to
	``#include <algorithm>`` and/or ``#include <chrono>``.			``#include <algorithm>`` and/or ``#include <chrono>``.

	ABI Changes			ABI Changes
	-----------			-----------

	- The ``_LIBCPP_ABI_USE_CXX03_NULLPTR_EMULATION`` macro controlling whether we use an			- The ``_LIBCPP_ABI_USE_CXX03_NULLPTR_EMULATION`` macro controlling whether we use an
	emulation for ``std::nullptr_t`` in C++03 mode has been removed. After this change,			emulation for ``std::nullptr_t`` in C++03 mode has been removed. After this change,
	``_LIBCPP_ABI_USE_CXX03_NULLPTR_EMULATION`` will not be honoured anymore and there			``_LIBCPP_ABI_USE_CXX03_NULLPTR_EMULATION`` will not be honoured anymore and there
	will be no way to opt back into the C++03 emulation of ``std::nullptr_t``.			will be no way to opt back into the C++03 emulation of ``std::nullptr_t``.

	Build System Changes			Build System Changes
	--------------------			--------------------

	- Support for standalone builds have been entirely removed from libc++, libc++abi and			- Support for standalone builds have been entirely removed from libc++, libc++abi and
	libunwind. Please use :ref:`these instructions <build instructions>` for building			libunwind. Please use :ref:`these instructions <build instructions>` for building
	libc++, libc++abi and/or libunwind.			libc++, libc++abi and/or libunwind.

libcxx/include/future

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	#include <__utility/forward.h>			#include <__utility/forward.h>
	#include <exception>			#include <exception>
	#include <memory>			#include <memory>
	#include <mutex>			#include <mutex>
	#include <system_error>			#include <system_error>
	#include <thread>			#include <thread>
	#include <version>			#include <version>

	#include <chrono> // TODO: Remove unused header

	#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)			#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
	# pragma GCC system_header			# pragma GCC system_header
	#endif			#endif

	#ifdef _LIBCPP_HAS_NO_THREADS			#ifdef _LIBCPP_HAS_NO_THREADS
	#error <future> is not supported on this single threaded system			#error <future> is not supported on this single threaded system
	#else // !_LIBCPP_HAS_NO_THREADS			#else // !_LIBCPP_HAS_NO_THREADS

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This is an archive of the discontinued LLVM Phabricator instance.

[libc++] Remove <chrono> include from <future>ClosedPublic

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libcxx/docs/ReleaseNotes.rst

libcxx/include/future

[libc++] Remove <chrono> include from <future>
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