[libcxx] r342073 - Implement the infrastructure for feature-test macros. Very few actual feature test macros, though. Reviewed as: https://reviews.llvm.org/D51955
Nico Weber via cfe-commits
cfe-commits at lists.llvm.org
Thu Oct 4 04:29:01 PDT 2018
FWIW we had a file called VERSION in Chromium, which got picked up on
case-insensitive file systems. We renamed it to FOO_VERSION after this
change here. Asking people to use -iquote instead of -I is probably a much
larger request than asking them to rename their VERSION files :-)
On Wed, Oct 3, 2018 at 6:38 AM Christof Douma via cfe-commits <
cfe-commits at lists.llvm.org> wrote:
> Hi.
>
>
>
> Yes, including <utility> would try to include the “version” file inside
> the users project. The problem is not the existence of the header file, but
> the #include directive that is not guarded. To give examples on when this
> goes wrong:
>
>
>
> A project uses VERSION in their source directory to hold some version
> string used in the build system. On platforms like Windows and OS X this
> file is indistinguishable from the system include file that many headers
> include.
>
>
>
> I don’t think this is a strange setup, and while I expect that for C++20
> code bases, people need to pick a different name, I think that existing
> projects should not be bothered by this. It would be nice if everybody was
> using -iquote, or better in my opinion, that -I was behaving like -iquote.
> But a fix that we can apply now is to use:
>
>
>
> #if _LIBCPP_STD_VER > 17
>
> #include <version>
>
> #endif
>
>
>
> Would that be acceptable?
>
>
>
> Thanks,
>
> Christof
>
>
>
> *From: *Eric Fiselier <eric at efcs.ca>
> *Date: *Tuesday, 2 October 2018 at 19:52
> *To: *Christof Douma <Christof.Douma at arm.com>
> *Cc: *Marshall Clow <mclow.lists at gmail.com>, cfe-commits <
> cfe-commits at lists.llvm.org>, nd <nd at arm.com>
> *Subject: *Re: [libcxx] r342073 - Implement the infrastructure for
> feature-test macros. Very few actual feature test macros, though. Reviewed
> as: https://reviews.llvm.org/D51955
>
>
>
>
>
> On Tue, Oct 2, 2018 at 1:33 PM Christof Douma via cfe-commits <
> cfe-commits at lists.llvm.org> wrote:
>
> Hi Marshall.
>
> I think that this patch breaks backwards compatibility. Assumes that the
> header file "version" is used by C++ projects that use a C++ standard that
> did not specify a 'version' header. Many toolchains will put search paths
> specified with -I in front of the system search path. The result is that
> the application header file is included whenever a standard header file is
> included. That is unexpected and can break builds.
>
> Do you agree this is an issue or do you consider this an issue with the
> way toolchains handle include search paths?
>
>
>
> If I understand correctly, you have user code which provides a header
> called "version", and now when files like <utility> include <version> they
> pick up the user header instead of the STL one?
>
> Are you specifying custom libc++ include paths when this occurs? Or just
> passing "-stdlib=libc++" and letting the compiler do the rest?
>
>
>
> In general, I don't consider this a bug. There is no way for libc++ to
> make the <version> file disappear in older dialects, and libc++ headers are
> free to include w/e additional headers
>
> they need.
>
>
>
>
>
>
> Thanks,
> Christof
>
>
> On 12/09/2018, 20:42, "cfe-commits on behalf of Marshall Clow via
> cfe-commits" <cfe-commits-bounces at lists.llvm.org on behalf of
> cfe-commits at lists.llvm.org> wrote:
>
> Author: marshall
> Date: Wed Sep 12 12:41:40 2018
> New Revision: 342073
>
> URL: http://llvm.org/viewvc/llvm-project?rev=342073&view=rev
> Log:
> Implement the infrastructure for feature-test macros. Very few actual
> feature test macros, though. Reviewed as: https://reviews.llvm.org/D51955
>
> Added:
>
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/
>
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/algorithm.version.pass.cpp
>
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/any.version.pass.cpp
>
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/array.version.pass.cpp
>
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/atomic.version.pass.cpp
>
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/bit.version.pass.cpp
>
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/chrono.version.pass.cpp
>
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/cmath.version.pass.cpp
>
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/complex.version.pass.cpp
>
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/concepts.version.pass.cpp
>
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/cstddef.version.pass.cpp
>
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/deque.version.pass.cpp
>
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/exception.version.pass.cpp
>
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/execution.version.pass.cpp
>
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/filesystem.version.pass.cpp
>
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/forward_list.version.pass.cpp
>
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/functional.version.pass.cpp
>
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/iomanip.version.pass.cpp
>
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/iterator.version.pass.cpp
>
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/list.version.pass.cpp
>
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/map.version.pass.cpp
>
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/memory.version.pass.cpp
>
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/memory_resource.version.pass.cpp
>
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/mutex.version.pass.cpp
>
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/new.version.pass.cpp
>
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/numeric.version.pass.cpp
>
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/optional.version.pass.cpp
>
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/regex.version.pass.cpp
>
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/scoped_allocator.version.pass.cpp
>
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/set.version.pass.cpp
>
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/shared_mutex.version.pass.cpp
>
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/string.version.pass.cpp
>
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/string_view.version.pass.cpp
>
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/tuple.version.pass.cpp
>
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/type_traits.version.pass.cpp
>
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/unordered_map.version.pass.cpp
>
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/unordered_set.version.pass.cpp
>
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/utility.version.pass.cpp
>
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/variant.version.pass.cpp
>
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/vector.version.pass.cpp
>
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/version.version.pass.cpp
> Modified:
> libcxx/trunk/include/algorithm
> libcxx/trunk/include/any
> libcxx/trunk/include/array
> libcxx/trunk/include/atomic
> libcxx/trunk/include/bit
> libcxx/trunk/include/chrono
> libcxx/trunk/include/cmath
> libcxx/trunk/include/complex
> libcxx/trunk/include/cstddef
> libcxx/trunk/include/deque
> libcxx/trunk/include/exception
> libcxx/trunk/include/filesystem
> libcxx/trunk/include/forward_list
> libcxx/trunk/include/functional
> libcxx/trunk/include/iomanip
> libcxx/trunk/include/iterator
> libcxx/trunk/include/list
> libcxx/trunk/include/map
> libcxx/trunk/include/memory
> libcxx/trunk/include/mutex
> libcxx/trunk/include/new
> libcxx/trunk/include/numeric
> libcxx/trunk/include/optional
> libcxx/trunk/include/regex
> libcxx/trunk/include/scoped_allocator
> libcxx/trunk/include/set
> libcxx/trunk/include/shared_mutex
> libcxx/trunk/include/string
> libcxx/trunk/include/string_view
> libcxx/trunk/include/tuple
> libcxx/trunk/include/type_traits
> libcxx/trunk/include/unordered_map
> libcxx/trunk/include/unordered_set
> libcxx/trunk/include/utility
> libcxx/trunk/include/variant
> libcxx/trunk/include/vector
> libcxx/trunk/include/version
>
> Modified: libcxx/trunk/include/algorithm
> URL:
> http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/algorithm?rev=342073&r1=342072&r2=342073&view=diff
>
> ==============================================================================
> --- libcxx/trunk/include/algorithm (original)
> +++ libcxx/trunk/include/algorithm Wed Sep 12 12:41:40 2018
> @@ -646,6 +646,7 @@ template <class BidirectionalIterator, c
> #include <iterator>
> #include <cstddef>
> #include <bit>
> +#include <version>
>
> #include <__debug>
>
>
> Modified: libcxx/trunk/include/any
> URL:
> http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/any?rev=342073&r1=342072&r2=342073&view=diff
>
> ==============================================================================
> --- libcxx/trunk/include/any (original)
> +++ libcxx/trunk/include/any Wed Sep 12 12:41:40 2018
> @@ -87,6 +87,7 @@ namespace std {
> #include <typeinfo>
> #include <type_traits>
> #include <cstdlib>
> +#include <version>
>
> #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
> #pragma GCC system_header
>
> Modified: libcxx/trunk/include/array
> URL:
> http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/array?rev=342073&r1=342072&r2=342073&view=diff
>
> ==============================================================================
> --- libcxx/trunk/include/array (original)
> +++ libcxx/trunk/include/array Wed Sep 12 12:41:40 2018
> @@ -112,6 +112,7 @@ template <size_t I, class T, size_t N> c
> #include <algorithm>
> #include <stdexcept>
> #include <cstdlib> // for _LIBCPP_UNREACHABLE
> +#include <version>
> #include <__debug>
>
> #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
>
> Modified: libcxx/trunk/include/atomic
> URL:
> http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/atomic?rev=342073&r1=342072&r2=342073&view=diff
>
> ==============================================================================
> --- libcxx/trunk/include/atomic (original)
> +++ libcxx/trunk/include/atomic Wed Sep 12 12:41:40 2018
> @@ -544,6 +544,7 @@ void atomic_signal_fence(memory_order m)
> #include <cstddef>
> #include <cstdint>
> #include <type_traits>
> +#include <version>
>
> #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
> #pragma GCC system_header
> @@ -559,10 +560,6 @@ void atomic_signal_fence(memory_order m)
> #error C++ standard library is incompatible with <stdatomic.h>
> #endif
>
> -#if _LIBCPP_STD_VER > 14
> -# define __cpp_lib_atomic_is_always_lock_free 201603L
> -#endif
> -
> #define _LIBCPP_CHECK_STORE_MEMORY_ORDER(__m) \
> _LIBCPP_DIAGNOSE_WARNING(__m == memory_order_consume || \
> __m == memory_order_acquire || \
>
> Modified: libcxx/trunk/include/bit
> URL:
> http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/bit?rev=342073&r1=342072&r2=342073&view=diff
>
> ==============================================================================
> --- libcxx/trunk/include/bit (original)
> +++ libcxx/trunk/include/bit Wed Sep 12 12:41:40 2018
> @@ -21,6 +21,7 @@ namespace std {
> */
>
> #include <__config>
> +#include <version>
>
> #if defined(__IBMCPP__)
> #include "support/ibm/support.h"
>
> Modified: libcxx/trunk/include/chrono
> URL:
> http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/chrono?rev=342073&r1=342072&r2=342073&view=diff
>
> ==============================================================================
> --- libcxx/trunk/include/chrono (original)
> +++ libcxx/trunk/include/chrono Wed Sep 12 12:41:40 2018
> @@ -798,6 +798,7 @@ constexpr chrono::year
> #include <type_traits>
> #include <ratio>
> #include <limits>
> +#include <version>
>
> #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
> #pragma GCC system_header
>
> Modified: libcxx/trunk/include/cmath
> URL:
> http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/cmath?rev=342073&r1=342072&r2=342073&view=diff
>
> ==============================================================================
> --- libcxx/trunk/include/cmath (original)
> +++ libcxx/trunk/include/cmath Wed Sep 12 12:41:40 2018
> @@ -303,6 +303,7 @@ long double truncl(long double x);
>
> #include <__config>
> #include <math.h>
> +#include <version>
>
> #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
> #pragma GCC system_header
>
> Modified: libcxx/trunk/include/complex
> URL:
> http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/complex?rev=342073&r1=342072&r2=342073&view=diff
>
> ==============================================================================
> --- libcxx/trunk/include/complex (original)
> +++ libcxx/trunk/include/complex Wed Sep 12 12:41:40 2018
> @@ -245,6 +245,7 @@ template<class T, class charT, class tra
> #include <stdexcept>
> #include <cmath>
> #include <sstream>
> +#include <version>
>
> #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
> #pragma GCC system_header
>
> Modified: libcxx/trunk/include/cstddef
> URL:
> http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/cstddef?rev=342073&r1=342072&r2=342073&view=diff
>
> ==============================================================================
> --- libcxx/trunk/include/cstddef (original)
> +++ libcxx/trunk/include/cstddef Wed Sep 12 12:41:40 2018
> @@ -35,6 +35,7 @@ Types:
> */
>
> #include <__config>
> +#include <version>
>
> #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
> #pragma GCC system_header
>
> Modified: libcxx/trunk/include/deque
> URL:
> http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/deque?rev=342073&r1=342072&r2=342073&view=diff
>
> ==============================================================================
> --- libcxx/trunk/include/deque (original)
> +++ libcxx/trunk/include/deque Wed Sep 12 12:41:40 2018
> @@ -161,6 +161,7 @@ template <class T, class Allocator>
> #include <iterator>
> #include <algorithm>
> #include <stdexcept>
> +#include <version>
>
> #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
> #pragma GCC system_header
>
> Modified: libcxx/trunk/include/exception
> URL:
> http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/exception?rev=342073&r1=342072&r2=342073&view=diff
>
> ==============================================================================
> --- libcxx/trunk/include/exception (original)
> +++ libcxx/trunk/include/exception Wed Sep 12 12:41:40 2018
> @@ -81,6 +81,7 @@ template <class E> void rethrow_if_neste
> #include <cstddef>
> #include <cstdlib>
> #include <type_traits>
> +#include <version>
>
> #if defined(_LIBCPP_ABI_MICROSOFT) && !defined(_LIBCPP_NO_VCRUNTIME)
> #include <vcruntime_exception.h>
>
> Modified: libcxx/trunk/include/filesystem
> URL:
> http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/filesystem?rev=342073&r1=342072&r2=342073&view=diff
>
> ==============================================================================
> --- libcxx/trunk/include/filesystem (original)
> +++ libcxx/trunk/include/filesystem Wed Sep 12 12:41:40 2018
> @@ -244,6 +244,7 @@
> #include <utility>
> #include <iomanip> // for quoted
> #include <string_view>
> +#include <version>
>
> #include <__debug>
>
> @@ -256,10 +257,6 @@ _LIBCPP_PUSH_MACROS
>
> #ifndef _LIBCPP_CXX03_LANG
>
> -#if _LIBCPP_STD_VER >= 17
> -#define __cpp_lib_filesystem 201703
> -#endif
> -
> _LIBCPP_BEGIN_NAMESPACE_FILESYSTEM
>
> struct _FilesystemClock {
>
> Modified: libcxx/trunk/include/forward_list
> URL:
> http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/forward_list?rev=342073&r1=342072&r2=342073&view=diff
>
> ==============================================================================
> --- libcxx/trunk/include/forward_list (original)
> +++ libcxx/trunk/include/forward_list Wed Sep 12 12:41:40 2018
> @@ -177,6 +177,7 @@ template <class T, class Allocator>
> #include <limits>
> #include <iterator>
> #include <algorithm>
> +#include <version>
>
> #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
> #pragma GCC system_header
>
> Modified: libcxx/trunk/include/functional
> URL:
> http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/functional?rev=342073&r1=342072&r2=342073&view=diff
>
> ==============================================================================
> --- libcxx/trunk/include/functional (original)
> +++ libcxx/trunk/include/functional Wed Sep 12 12:41:40 2018
> @@ -487,6 +487,7 @@ POLICY: For non-variadic implementation
> #include <memory>
> #include <tuple>
> #include <utility>
> +#include <version>
>
> #include <__functional_base>
>
> @@ -2340,8 +2341,6 @@ bind(_Fp&& __f, _BoundArgs&&... __bound_
>
> #if _LIBCPP_STD_VER > 14
>
> -#define __cpp_lib_invoke 201411
> -
> template <class _Fn, class ..._Args>
> result_of_t<_Fn&&(_Args&&...)>
> invoke(_Fn&& __f, _Args&&... __args)
>
> Modified: libcxx/trunk/include/iomanip
> URL:
> http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/iomanip?rev=342073&r1=342072&r2=342073&view=diff
>
> ==============================================================================
> --- libcxx/trunk/include/iomanip (original)
> +++ libcxx/trunk/include/iomanip Wed Sep 12 12:41:40 2018
> @@ -46,6 +46,7 @@ template <class charT, class traits, cla
> #include <__config>
> #include <__string>
> #include <istream>
> +#include <version>
>
> #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
> #pragma GCC system_header
>
> Modified: libcxx/trunk/include/iterator
> URL:
> http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/iterator?rev=342073&r1=342072&r2=342073&view=diff
>
> ==============================================================================
> --- libcxx/trunk/include/iterator (original)
> +++ libcxx/trunk/include/iterator Wed Sep 12 12:41:40 2018
> @@ -418,6 +418,7 @@ template <class E> constexpr const E* da
> #include <type_traits>
> #include <cstddef>
> #include <initializer_list>
> +#include <version>
> #ifdef __APPLE__
> #include <Availability.h>
> #endif
>
> Modified: libcxx/trunk/include/list
> URL:
> http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/list?rev=342073&r1=342072&r2=342073&view=diff
>
> ==============================================================================
> --- libcxx/trunk/include/list (original)
> +++ libcxx/trunk/include/list Wed Sep 12 12:41:40 2018
> @@ -181,6 +181,7 @@ template <class T, class Alloc>
> #include <iterator>
> #include <algorithm>
> #include <type_traits>
> +#include <version>
>
> #include <__debug>
>
>
> Modified: libcxx/trunk/include/map
> URL:
> http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/map?rev=342073&r1=342072&r2=342073&view=diff
>
> ==============================================================================
> --- libcxx/trunk/include/map (original)
> +++ libcxx/trunk/include/map Wed Sep 12 12:41:40 2018
> @@ -460,6 +460,7 @@ swap(multimap<Key, T, Compare, Allocator
> #include <functional>
> #include <initializer_list>
> #include <type_traits>
> +#include <version>
>
> #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
> #pragma GCC system_header
>
> Modified: libcxx/trunk/include/memory
> URL:
> http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/memory?rev=342073&r1=342072&r2=342073&view=diff
>
> ==============================================================================
> --- libcxx/trunk/include/memory (original)
> +++ libcxx/trunk/include/memory Wed Sep 12 12:41:40 2018
> @@ -667,6 +667,7 @@ void* align(size_t alignment, size_t siz
> #if !defined(_LIBCPP_HAS_NO_ATOMIC_HEADER)
> # include <atomic>
> #endif
> +#include <version>
>
> #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
> #pragma GCC system_header
>
> Modified: libcxx/trunk/include/mutex
> URL:
> http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/mutex?rev=342073&r1=342072&r2=342073&view=diff
>
> ==============================================================================
> --- libcxx/trunk/include/mutex (original)
> +++ libcxx/trunk/include/mutex Wed Sep 12 12:41:40 2018
> @@ -194,6 +194,7 @@ template<class Callable, class ...Args>
> #ifndef _LIBCPP_CXX03_LANG
> #include <tuple>
> #endif
> +#include <version>
> #include <__threading_support>
>
> #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
>
> Modified: libcxx/trunk/include/new
> URL:
> http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/new?rev=342073&r1=342072&r2=342073&view=diff
>
> ==============================================================================
> --- libcxx/trunk/include/new (original)
> +++ libcxx/trunk/include/new Wed Sep 12 12:41:40 2018
> @@ -91,6 +91,7 @@ void operator delete[](void* ptr, void*
> #include <exception>
> #include <type_traits>
> #include <cstddef>
> +#include <version>
> #ifdef _LIBCPP_NO_EXCEPTIONS
> #include <cstdlib>
> #endif
>
> Modified: libcxx/trunk/include/numeric
> URL:
> http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/numeric?rev=342073&r1=342072&r2=342073&view=diff
>
> ==============================================================================
> --- libcxx/trunk/include/numeric (original)
> +++ libcxx/trunk/include/numeric Wed Sep 12 12:41:40 2018
> @@ -142,6 +142,7 @@ template <class M, class N>
> #include <iterator>
> #include <limits> // for numeric_limits
> #include <functional>
> +#include <version>
>
> #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
> #pragma GCC system_header
>
> Modified: libcxx/trunk/include/optional
> URL:
> http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/optional?rev=342073&r1=342072&r2=342073&view=diff
>
> ==============================================================================
> --- libcxx/trunk/include/optional (original)
> +++ libcxx/trunk/include/optional Wed Sep 12 12:41:40 2018
> @@ -156,6 +156,7 @@ template<class T>
> #include <stdexcept>
> #include <type_traits>
> #include <utility>
> +#include <version>
>
> #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
> #pragma GCC system_header
>
> Modified: libcxx/trunk/include/regex
> URL:
> http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/regex?rev=342073&r1=342072&r2=342073&view=diff
>
> ==============================================================================
> --- libcxx/trunk/include/regex (original)
> +++ libcxx/trunk/include/regex Wed Sep 12 12:41:40 2018
> @@ -769,6 +769,7 @@ typedef regex_token_iterator<wstring::co
> #include <memory>
> #include <vector>
> #include <deque>
> +#include <version>
>
> #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
> #pragma GCC system_header
>
> Modified: libcxx/trunk/include/scoped_allocator
> URL:
> http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/scoped_allocator?rev=342073&r1=342072&r2=342073&view=diff
>
> ==============================================================================
> --- libcxx/trunk/include/scoped_allocator (original)
> +++ libcxx/trunk/include/scoped_allocator Wed Sep 12 12:41:40 2018
> @@ -108,6 +108,7 @@ template <class OuterA1, class OuterA2,
>
> #include <__config>
> #include <memory>
> +#include <version>
>
> #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
> #pragma GCC system_header
>
> Modified: libcxx/trunk/include/set
> URL:
> http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/set?rev=342073&r1=342072&r2=342073&view=diff
>
> ==============================================================================
> --- libcxx/trunk/include/set (original)
> +++ libcxx/trunk/include/set Wed Sep 12 12:41:40 2018
> @@ -402,6 +402,7 @@ swap(multiset<Key, Compare, Allocator>&
> #include <__tree>
> #include <__node_handle>
> #include <functional>
> +#include <version>
>
> #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
> #pragma GCC system_header
>
> Modified: libcxx/trunk/include/shared_mutex
> URL:
> http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/shared_mutex?rev=342073&r1=342072&r2=342073&view=diff
>
> ==============================================================================
> --- libcxx/trunk/include/shared_mutex (original)
> +++ libcxx/trunk/include/shared_mutex Wed Sep 12 12:41:40 2018
> @@ -124,6 +124,7 @@ template <class Mutex>
> */
>
> #include <__config>
> +#include <version>
>
> _LIBCPP_PUSH_MACROS
> #include <__undef_macros>
>
> Modified: libcxx/trunk/include/string
> URL:
> http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/string?rev=342073&r1=342072&r2=342073&view=diff
>
> ==============================================================================
> --- libcxx/trunk/include/string (original)
> +++ libcxx/trunk/include/string Wed Sep 12 12:41:40 2018
> @@ -510,6 +510,7 @@ basic_string<char32_t> operator "" s( co
> #include <type_traits>
> #include <initializer_list>
> #include <__functional_base>
> +#include <version>
> #ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
> #include <cstdint>
> #endif
>
> Modified: libcxx/trunk/include/string_view
> URL:
> http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/string_view?rev=342073&r1=342072&r2=342073&view=diff
>
> ==============================================================================
> --- libcxx/trunk/include/string_view (original)
> +++ libcxx/trunk/include/string_view Wed Sep 12 12:41:40 2018
> @@ -178,6 +178,7 @@ namespace std {
> #include <iterator>
> #include <limits>
> #include <stdexcept>
> +#include <version>
> #include <__debug>
>
> #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
>
> Modified: libcxx/trunk/include/tuple
> URL:
> http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/tuple?rev=342073&r1=342072&r2=342073&view=diff
>
> ==============================================================================
> --- libcxx/trunk/include/tuple (original)
> +++ libcxx/trunk/include/tuple Wed Sep 12 12:41:40 2018
> @@ -141,6 +141,7 @@ template <class... Types>
> #include <type_traits>
> #include <__functional_base>
> #include <utility>
> +#include <version>
>
> #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
> #pragma GCC system_header
>
> Modified: libcxx/trunk/include/type_traits
> URL:
> http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/type_traits?rev=342073&r1=342072&r2=342073&view=diff
>
> ==============================================================================
> --- libcxx/trunk/include/type_traits (original)
> +++ libcxx/trunk/include/type_traits Wed Sep 12 12:41:40 2018
> @@ -404,6 +404,7 @@ namespace std
> */
> #include <__config>
> #include <cstddef>
> +#include <version>
>
> #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
> #pragma GCC system_header
> @@ -4758,7 +4759,6 @@ struct __has_operator_addressof
>
> #if _LIBCPP_STD_VER > 14
>
> -#define __cpp_lib_void_t 201411
> template <class...> using void_t = void;
>
> # ifndef _LIBCPP_HAS_NO_VARIADICS
>
> Modified: libcxx/trunk/include/unordered_map
> URL:
> http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/unordered_map?rev=342073&r1=342072&r2=342073&view=diff
>
> ==============================================================================
> --- libcxx/trunk/include/unordered_map (original)
> +++ libcxx/trunk/include/unordered_map Wed Sep 12 12:41:40 2018
> @@ -386,6 +386,7 @@ template <class Key, class T, class Hash
> #include <functional>
> #include <stdexcept>
> #include <tuple>
> +#include <version>
>
> #include <__debug>
>
>
> Modified: libcxx/trunk/include/unordered_set
> URL:
> http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/unordered_set?rev=342073&r1=342072&r2=342073&view=diff
>
> ==============================================================================
> --- libcxx/trunk/include/unordered_set (original)
> +++ libcxx/trunk/include/unordered_set Wed Sep 12 12:41:40 2018
> @@ -338,6 +338,7 @@ template <class Value, class Hash, class
> #include <__hash_table>
> #include <__node_handle>
> #include <functional>
> +#include <version>
>
> #include <__debug>
>
>
> Modified: libcxx/trunk/include/utility
> URL:
> http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/utility?rev=342073&r1=342072&r2=342073&view=diff
>
> ==============================================================================
> --- libcxx/trunk/include/utility (original)
> +++ libcxx/trunk/include/utility Wed Sep 12 12:41:40 2018
> @@ -203,6 +203,7 @@ template <size_t I>
> #include <cstddef>
> #include <cstring>
> #include <cstdint>
> +#include <version>
> #include <__debug>
>
> #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
>
> Modified: libcxx/trunk/include/variant
> URL:
> http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/variant?rev=342073&r1=342072&r2=342073&view=diff
>
> ==============================================================================
> --- libcxx/trunk/include/variant (original)
> +++ libcxx/trunk/include/variant Wed Sep 12 12:41:40 2018
> @@ -208,6 +208,7 @@ namespace std {
> #include <type_traits>
> #include <utility>
> #include <limits>
> +#include <version>
>
> #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
> #pragma GCC system_header
>
> Modified: libcxx/trunk/include/vector
> URL:
> http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/vector?rev=342073&r1=342072&r2=342073&view=diff
>
> ==============================================================================
> --- libcxx/trunk/include/vector (original)
> +++ libcxx/trunk/include/vector Wed Sep 12 12:41:40 2018
> @@ -276,6 +276,7 @@ void swap(vector<T,Allocator>& x, vector
> #include <stdexcept>
> #include <algorithm>
> #include <cstring>
> +#include <version>
> #include <__split_buffer>
> #include <__functional_base>
>
>
> Modified: libcxx/trunk/include/version
> URL:
> http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/version?rev=342073&r1=342072&r2=342073&view=diff
>
> ==============================================================================
> --- libcxx/trunk/include/version (original)
> +++ libcxx/trunk/include/version Wed Sep 12 12:41:40 2018
> @@ -101,4 +101,17 @@ __cpp_lib_void_t
> #pragma GCC system_header
> #endif
>
> +#if _LIBCPP_STD_VER > 11
> +#endif
> +
> +#if _LIBCPP_STD_VER > 14
> +# define __cpp_lib_atomic_is_always_lock_free 201603L
> +# define __cpp_lib_filesystem 201703L
> +# define __cpp_lib_invoke 201411L
> +# define __cpp_lib_void_t 201411L
> +#endif
> +
> +#if _LIBCPP_STD_VER > 17
> +#endif
> +
> #endif // _LIBCPP_VERSIONH
>
> Added:
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/algorithm.version.pass.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/std/language.support/support.limits/support.limits.general/algorithm.version.pass.cpp?rev=342073&view=auto
>
> ==============================================================================
> ---
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/algorithm.version.pass.cpp
> (added)
> +++
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/algorithm.version.pass.cpp
> Wed Sep 12 12:41:40 2018
> @@ -0,0 +1,36 @@
> +
>
> +//===----------------------------------------------------------------------===//
> +//
> +// The LLVM Compiler Infrastructure
> +//
> +// This file is dual licensed under the MIT and the University of
> Illinois Open
> +// Source Licenses. See LICENSE.TXT for details.
> +//
>
> +//===----------------------------------------------------------------------===//
> +//
> +// <algorithm> feature macros
> +
> +/* Constant Value
> + __cpp_lib_clamp 201603L
> + __cpp_lib_constexpr_swap_algorithms 201806L
> + __cpp_lib_parallel_algorithm 201603L
> + __cpp_lib_robust_nonmodifying_seq_ops 201304L
> + __cpp_lib_sample 201603L
> +
> +*/
> +
> +#include <algorithm>
> +#include "test_macros.h"
> +
> +int main()
> +{
> +// ensure that the macros that are supposed to be defined in
> <algorithm> are defined.
> +
> +/*
> +#if !defined(__cpp_lib_fooby)
> +# error "__cpp_lib_fooby is not defined"
> +#elif __cpp_lib_fooby < 201606L
> +# error "__cpp_lib_fooby has an invalid value"
> +#endif
> +*/
> +}
>
> Added:
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/any.version.pass.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/std/language.support/support.limits/support.limits.general/any.version.pass.cpp?rev=342073&view=auto
>
> ==============================================================================
> ---
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/any.version.pass.cpp
> (added)
> +++
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/any.version.pass.cpp
> Wed Sep 12 12:41:40 2018
> @@ -0,0 +1,32 @@
> +
>
> +//===----------------------------------------------------------------------===//
> +//
> +// The LLVM Compiler Infrastructure
> +//
> +// This file is dual licensed under the MIT and the University of
> Illinois Open
> +// Source Licenses. See LICENSE.TXT for details.
> +//
>
> +//===----------------------------------------------------------------------===//
> +//
> +// <any> feature macros
> +
> +/* Constant Value
> + __cpp_lib_any 201606L
> +
> +*/
> +
> +#include <any>
> +#include "test_macros.h"
> +
> +int main()
> +{
> +// ensure that the macros that are supposed to be defined in <any>
> are defined.
> +
> +/*
> +#if !defined(__cpp_lib_fooby)
> +# error "__cpp_lib_fooby is not defined"
> +#elif __cpp_lib_fooby < 201606L
> +# error "__cpp_lib_fooby has an invalid value"
> +#endif
> +*/
> +}
>
> Added:
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/array.version.pass.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/std/language.support/support.limits/support.limits.general/array.version.pass.cpp?rev=342073&view=auto
>
> ==============================================================================
> ---
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/array.version.pass.cpp
> (added)
> +++
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/array.version.pass.cpp
> Wed Sep 12 12:41:40 2018
> @@ -0,0 +1,33 @@
> +
>
> +//===----------------------------------------------------------------------===//
> +//
> +// The LLVM Compiler Infrastructure
> +//
> +// This file is dual licensed under the MIT and the University of
> Illinois Open
> +// Source Licenses. See LICENSE.TXT for details.
> +//
>
> +//===----------------------------------------------------------------------===//
> +//
> +// <array> feature macros
> +
> +/* Constant Value
> + __cpp_lib_array_constexpr 201603L
> + __cpp_lib_nonmember_container_access 201411L
> +
> +*/
> +
> +#include <array>
> +#include "test_macros.h"
> +
> +int main()
> +{
> +// ensure that the macros that are supposed to be defined in <array>
> are defined.
> +
> +/*
> +#if !defined(__cpp_lib_fooby)
> +# error "__cpp_lib_fooby is not defined"
> +#elif __cpp_lib_fooby < 201606L
> +# error "__cpp_lib_fooby has an invalid value"
> +#endif
> +*/
> +}
>
> Added:
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/atomic.version.pass.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/std/language.support/support.limits/support.limits.general/atomic.version.pass.cpp?rev=342073&view=auto
>
> ==============================================================================
> ---
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/atomic.version.pass.cpp
> (added)
> +++
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/atomic.version.pass.cpp
> Wed Sep 12 12:41:40 2018
> @@ -0,0 +1,41 @@
> +
>
> +//===----------------------------------------------------------------------===//
> +//
> +// The LLVM Compiler Infrastructure
> +//
> +// This file is dual licensed under the MIT and the University of
> Illinois Open
> +// Source Licenses. See LICENSE.TXT for details.
> +//
>
> +//===----------------------------------------------------------------------===//
> +//
> +// <atomic> feature macros
> +
> +/* Constant Value
> + __cpp_lib_atomic_is_always_lock_free 201603L
> + __cpp_lib_atomic_ref 201806L
> +
> +*/
> +
> +#include <atomic>
> +#include "test_macros.h"
> +
> +int main()
> +{
> +// ensure that the macros that are supposed to be defined in
> <atomic> are defined.
> +
> +#if _TEST_STD_VER > 14
> +# if !defined(__cpp_lib_atomic_is_always_lock_free)
> +# error "__cpp_lib_atomic_is_always_lock_free is not defined"
> +# elif __cpp_lib_atomic_is_always_lock_free < 201603L
> +# error "__cpp_lib_atomic_is_always_lock_free has an invalid value"
> +# endif
> +#endif
> +
> +/*
> +#if !defined(__cpp_lib_fooby)
> +# error "__cpp_lib_fooby is not defined"
> +#elif __cpp_lib_fooby < 201606L
> +# error "__cpp_lib_fooby has an invalid value"
> +#endif
> +*/
> +}
>
> Added:
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/bit.version.pass.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/std/language.support/support.limits/support.limits.general/bit.version.pass.cpp?rev=342073&view=auto
>
> ==============================================================================
> ---
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/bit.version.pass.cpp
> (added)
> +++
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/bit.version.pass.cpp
> Wed Sep 12 12:41:40 2018
> @@ -0,0 +1,32 @@
> +
>
> +//===----------------------------------------------------------------------===//
> +//
> +// The LLVM Compiler Infrastructure
> +//
> +// This file is dual licensed under the MIT and the University of
> Illinois Open
> +// Source Licenses. See LICENSE.TXT for details.
> +//
>
> +//===----------------------------------------------------------------------===//
> +//
> +// <bit> feature macros
> +
> +/* Constant Value
> + __cpp_lib_bit_cast 201806L
> +
> +*/
> +
> +#include <bit>
> +#include "test_macros.h"
> +
> +int main()
> +{
> +// ensure that the macros that are supposed to be defined in <bit>
> are defined.
> +
> +/*
> +#if !defined(__cpp_lib_fooby)
> +# error "__cpp_lib_fooby is not defined"
> +#elif __cpp_lib_fooby < 201606L
> +# error "__cpp_lib_fooby has an invalid value"
> +#endif
> +*/
> +}
>
> Added:
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/chrono.version.pass.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/std/language.support/support.limits/support.limits.general/chrono.version.pass.cpp?rev=342073&view=auto
>
> ==============================================================================
> ---
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/chrono.version.pass.cpp
> (added)
> +++
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/chrono.version.pass.cpp
> Wed Sep 12 12:41:40 2018
> @@ -0,0 +1,32 @@
> +
>
> +//===----------------------------------------------------------------------===//
> +//
> +// The LLVM Compiler Infrastructure
> +//
> +// This file is dual licensed under the MIT and the University of
> Illinois Open
> +// Source Licenses. See LICENSE.TXT for details.
> +//
>
> +//===----------------------------------------------------------------------===//
> +//
> +// <chrono> feature macros
> +
> +/* Constant Value
> + __cpp_lib_chrono 201611L
> +
> +*/
> +
> +#include <chrono>
> +#include "test_macros.h"
> +
> +int main()
> +{
> +// ensure that the macros that are supposed to be defined in
> <chrono> are defined.
> +
> +/*
> +#if !defined(__cpp_lib_fooby)
> +# error "__cpp_lib_fooby is not defined"
> +#elif __cpp_lib_fooby < 201606L
> +# error "__cpp_lib_fooby has an invalid value"
> +#endif
> +*/
> +}
>
> Added:
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/cmath.version.pass.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/std/language.support/support.limits/support.limits.general/cmath.version.pass.cpp?rev=342073&view=auto
>
> ==============================================================================
> ---
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/cmath.version.pass.cpp
> (added)
> +++
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/cmath.version.pass.cpp
> Wed Sep 12 12:41:40 2018
> @@ -0,0 +1,33 @@
> +
>
> +//===----------------------------------------------------------------------===//
> +//
> +// The LLVM Compiler Infrastructure
> +//
> +// This file is dual licensed under the MIT and the University of
> Illinois Open
> +// Source Licenses. See LICENSE.TXT for details.
> +//
>
> +//===----------------------------------------------------------------------===//
> +//
> +// <cmath> feature macros
> +
> +/* Constant Value
> + __cpp_lib_hypot 201603L
> + __cpp_lib_math_special_functions 201603L
> +
> +*/
> +
> +#include <cmath>
> +#include "test_macros.h"
> +
> +int main()
> +{
> +// ensure that the macros that are supposed to be defined in <cmath>
> are defined.
> +
> +/*
> +#if !defined(__cpp_lib_fooby)
> +# error "__cpp_lib_fooby is not defined"
> +#elif __cpp_lib_fooby < 201606L
> +# error "__cpp_lib_fooby has an invalid value"
> +#endif
> +*/
> +}
>
> Added:
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/complex.version.pass.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/std/language.support/support.limits/support.limits.general/complex.version.pass.cpp?rev=342073&view=auto
>
> ==============================================================================
> ---
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/complex.version.pass.cpp
> (added)
> +++
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/complex.version.pass.cpp
> Wed Sep 12 12:41:40 2018
> @@ -0,0 +1,32 @@
> +
>
> +//===----------------------------------------------------------------------===//
> +//
> +// The LLVM Compiler Infrastructure
> +//
> +// This file is dual licensed under the MIT and the University of
> Illinois Open
> +// Source Licenses. See LICENSE.TXT for details.
> +//
>
> +//===----------------------------------------------------------------------===//
> +//
> +// <complex> feature macros
> +
> +/* Constant Value
> + __cpp_lib_complex_udls 201309L
> +
> +*/
> +
> +#include <complex>
> +#include "test_macros.h"
> +
> +int main()
> +{
> +// ensure that the macros that are supposed to be defined in
> <complex> are defined.
> +
> +/*
> +#if !defined(__cpp_lib_fooby)
> +# error "__cpp_lib_fooby is not defined"
> +#elif __cpp_lib_fooby < 201606L
> +# error "__cpp_lib_fooby has an invalid value"
> +#endif
> +*/
> +}
>
> Added:
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/concepts.version.pass.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/std/language.support/support.limits/support.limits.general/concepts.version.pass.cpp?rev=342073&view=auto
>
> ==============================================================================
> ---
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/concepts.version.pass.cpp
> (added)
> +++
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/concepts.version.pass.cpp
> Wed Sep 12 12:41:40 2018
> @@ -0,0 +1,33 @@
> +
>
> +//===----------------------------------------------------------------------===//
> +//
> +// The LLVM Compiler Infrastructure
> +//
> +// This file is dual licensed under the MIT and the University of
> Illinois Open
> +// Source Licenses. See LICENSE.TXT for details.
> +//
>
> +//===----------------------------------------------------------------------===//
> +//
> +// <concepts> feature macros
> +
> +/* Constant Value
> + __cpp_lib_concepts 201806L
> +
> +*/
> +
> +// XFAIL
> +// #include <concepts>
> +#include "test_macros.h"
> +
> +int main()
> +{
> +// ensure that the macros that are supposed to be defined in
> <concepts> are defined.
> +
> +/*
> +#if !defined(__cpp_lib_fooby)
> +# error "__cpp_lib_fooby is not defined"
> +#elif __cpp_lib_fooby < 201606L
> +# error "__cpp_lib_fooby has an invalid value"
> +#endif
> +*/
> +}
>
> Added:
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/cstddef.version.pass.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/std/language.support/support.limits/support.limits.general/cstddef.version.pass.cpp?rev=342073&view=auto
>
> ==============================================================================
> ---
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/cstddef.version.pass.cpp
> (added)
> +++
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/cstddef.version.pass.cpp
> Wed Sep 12 12:41:40 2018
> @@ -0,0 +1,32 @@
> +
>
> +//===----------------------------------------------------------------------===//
> +//
> +// The LLVM Compiler Infrastructure
> +//
> +// This file is dual licensed under the MIT and the University of
> Illinois Open
> +// Source Licenses. See LICENSE.TXT for details.
> +//
>
> +//===----------------------------------------------------------------------===//
> +//
> +// <cstddef> feature macros
> +
> +/* Constant Value
> + __cpp_lib_byte 201603L
> +
> +*/
> +
> +#include <cstddef>
> +#include "test_macros.h"
> +
> +int main()
> +{
> +// ensure that the macros that are supposed to be defined in
> <cstddef> are defined.
> +
> +/*
> +#if !defined(__cpp_lib_fooby)
> +# error "__cpp_lib_fooby is not defined"
> +#elif __cpp_lib_fooby < 201606L
> +# error "__cpp_lib_fooby has an invalid value"
> +#endif
> +*/
> +}
>
> Added:
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/deque.version.pass.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/std/language.support/support.limits/support.limits.general/deque.version.pass.cpp?rev=342073&view=auto
>
> ==============================================================================
> ---
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/deque.version.pass.cpp
> (added)
> +++
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/deque.version.pass.cpp
> Wed Sep 12 12:41:40 2018
> @@ -0,0 +1,33 @@
> +
>
> +//===----------------------------------------------------------------------===//
> +//
> +// The LLVM Compiler Infrastructure
> +//
> +// This file is dual licensed under the MIT and the University of
> Illinois Open
> +// Source Licenses. See LICENSE.TXT for details.
> +//
>
> +//===----------------------------------------------------------------------===//
> +//
> +// <deque> feature macros
> +
> +/* Constant Value
> + __cpp_lib_allocator_traits_is_always_equal 201411L
> + __cpp_lib_nonmember_container_access 201411L
> +
> +*/
> +
> +#include <deque>
> +#include "test_macros.h"
> +
> +int main()
> +{
> +// ensure that the macros that are supposed to be defined in <deque>
> are defined.
> +
> +/*
> +#if !defined(__cpp_lib_fooby)
> +# error "__cpp_lib_fooby is not defined"
> +#elif __cpp_lib_fooby < 201606L
> +# error "__cpp_lib_fooby has an invalid value"
> +#endif
> +*/
> +}
>
> Added:
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/exception.version.pass.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/std/language.support/support.limits/support.limits.general/exception.version.pass.cpp?rev=342073&view=auto
>
> ==============================================================================
> ---
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/exception.version.pass.cpp
> (added)
> +++
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/exception.version.pass.cpp
> Wed Sep 12 12:41:40 2018
> @@ -0,0 +1,32 @@
> +
>
> +//===----------------------------------------------------------------------===//
> +//
> +// The LLVM Compiler Infrastructure
> +//
> +// This file is dual licensed under the MIT and the University of
> Illinois Open
> +// Source Licenses. See LICENSE.TXT for details.
> +//
>
> +//===----------------------------------------------------------------------===//
> +//
> +// <exception> feature macros
> +
> +/* Constant Value
> + __cpp_lib_uncaught_exceptions 201411L
> +
> +*/
> +
> +#include <exception>
> +#include "test_macros.h"
> +
> +int main()
> +{
> +// ensure that the macros that are supposed to be defined in
> <exception> are defined.
> +
> +/*
> +#if !defined(__cpp_lib_fooby)
> +# error "__cpp_lib_fooby is not defined"
> +#elif __cpp_lib_fooby < 201606L
> +# error "__cpp_lib_fooby has an invalid value"
> +#endif
> +*/
> +}
>
> Added:
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/execution.version.pass.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/std/language.support/support.limits/support.limits.general/execution.version.pass.cpp?rev=342073&view=auto
>
> ==============================================================================
> ---
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/execution.version.pass.cpp
> (added)
> +++
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/execution.version.pass.cpp
> Wed Sep 12 12:41:40 2018
> @@ -0,0 +1,33 @@
> +
>
> +//===----------------------------------------------------------------------===//
> +//
> +// The LLVM Compiler Infrastructure
> +//
> +// This file is dual licensed under the MIT and the University of
> Illinois Open
> +// Source Licenses. See LICENSE.TXT for details.
> +//
>
> +//===----------------------------------------------------------------------===//
> +//
> +// <execution> feature macros
> +
> +/* Constant Value
> + __cpp_lib_execution 201603L
> +
> +*/
> +
> +// XFAIL
> +// #include <execution>
> +#include "test_macros.h"
> +
> +int main()
> +{
> +// ensure that the macros that are supposed to be defined in
> <execution> are defined.
> +
> +/*
> +#if !defined(__cpp_lib_fooby)
> +# error "__cpp_lib_fooby is not defined"
> +#elif __cpp_lib_fooby < 201606L
> +# error "__cpp_lib_fooby has an invalid value"
> +#endif
> +*/
> +}
>
> Added:
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/filesystem.version.pass.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/std/language.support/support.limits/support.limits.general/filesystem.version.pass.cpp?rev=342073&view=auto
>
> ==============================================================================
> ---
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/filesystem.version.pass.cpp
> (added)
> +++
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/filesystem.version.pass.cpp
> Wed Sep 12 12:41:40 2018
> @@ -0,0 +1,40 @@
> +
>
> +//===----------------------------------------------------------------------===//
> +//
> +// The LLVM Compiler Infrastructure
> +//
> +// This file is dual licensed under the MIT and the University of
> Illinois Open
> +// Source Licenses. See LICENSE.TXT for details.
> +//
>
> +//===----------------------------------------------------------------------===//
> +//
> +// <filesystem> feature macros
> +
> +/* Constant Value
> + __cpp_lib_filesystem 201703L
> +
> +*/
> +
> +#include <filesystem>
> +#include "test_macros.h"
> +
> +int main()
> +{
> +// ensure that the macros that are supposed to be defined in
> <filesystem> are defined.
> +
> +#if _TEST_STD_VER > 14
> +# if !defined(__cpp_lib_filesystem)
> +# error "__cpp_lib_filesystem is not defined"
> +# elif __cpp_lib_filesystem < 201703L
> +# error "__cpp_lib_filesystem has an invalid value"
> +# endif
> +#endif
> +
> +/*
> +#if !defined(__cpp_lib_fooby)
> +# error "__cpp_lib_fooby is not defined"
> +#elif __cpp_lib_fooby < 201606L
> +# error "__cpp_lib_fooby has an invalid value"
> +#endif
> +*/
> +}
>
> Added:
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/forward_list.version.pass.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/std/language.support/support.limits/support.limits.general/forward_list.version.pass.cpp?rev=342073&view=auto
>
> ==============================================================================
> ---
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/forward_list.version.pass.cpp
> (added)
> +++
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/forward_list.version.pass.cpp
> Wed Sep 12 12:41:40 2018
> @@ -0,0 +1,35 @@
> +
>
> +//===----------------------------------------------------------------------===//
> +//
> +// The LLVM Compiler Infrastructure
> +//
> +// This file is dual licensed under the MIT and the University of
> Illinois Open
> +// Source Licenses. See LICENSE.TXT for details.
> +//
>
> +//===----------------------------------------------------------------------===//
> +//
> +// <forward_list> feature macros
> +
> +/* Constant Value
> + __cpp_lib_allocator_traits_is_always_equal 201411L
> + __cpp_lib_incomplete_container_elements 201505L
> + __cpp_lib_list_remove_return_type 201806L
> + __cpp_lib_nonmember_container_access 201411L
> +
> +*/
> +
> +#include <forward_list>
> +#include "test_macros.h"
> +
> +int main()
> +{
> +// ensure that the macros that are supposed to be defined in
> <forward_list> are defined.
> +
> +/*
> +#if !defined(__cpp_lib_fooby)
> +# error "__cpp_lib_fooby is not defined"
> +#elif __cpp_lib_fooby < 201606L
> +# error "__cpp_lib_fooby has an invalid value"
> +#endif
> +*/
> +}
>
> Added:
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/functional.version.pass.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/std/language.support/support.limits/support.limits.general/functional.version.pass.cpp?rev=342073&view=auto
>
> ==============================================================================
> ---
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/functional.version.pass.cpp
> (added)
> +++
> libcxx/trunk/test/std/language.support/support.limits/support.limits.general/functional.version.pass.cpp
> Wed Sep 12 12:41:40 2018
> @@ -0,0 +1,44 @@
> +
>
> +//===----------------------------------------------------------------------===//
> +//
> +// The LLVM Compiler Infrastructure
> +//
> +// This file is dual licensed under the MIT and the University of
> Illinois Open
> +// Source Licenses. See LICENSE.TXT for details.
> +//
>
> +//===----------------------------------------------------------------------===//
> +//
> +// <functional> feature macros
> +
> +/* Constant Value
> + __cpp_lib_boyer_moore_searcher 201603L
> + __cpp_lib_invoke 201411L
> + __cpp_lib_not_fn 201603L
> + __cpp_lib_result_of_sfinae 201210L
> + __cpp_lib_transparent_operators 201510L
> +
> +*/
> +
>
>
>
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