intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 93 insertions, 0 deletions

diff --git a/contrib/libs/cxxsupp/libcxx/include/ctime b/contrib/libs/cxxsupp/libcxx/include/ctime
new file mode 100644
index 0000000000..816618f6a3
--- /dev/null
+++ b/contrib/libs/cxxsupp/libcxx/include/ctime
@@ -0,0 +1,93 @@
+// -*- C++ -*-
+//===---------------------------- ctime -----------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP_CTIME
+#define _LIBCPP_CTIME
+
+/*
+    ctime synopsis
+
+Macros:
+
+    NULL
+    CLOCKS_PER_SEC
+    TIME_UTC // C++17
+
+namespace std
+{
+
+Types:
+
+    clock_t
+    size_t
+    time_t
+    tm
+    timespec // C++17
+
+clock_t clock();
+double difftime(time_t time1, time_t time0);
+time_t mktime(tm* timeptr);
+time_t time(time_t* timer);
+char* asctime(const tm* timeptr);
+char* ctime(const time_t* timer);
+tm*    gmtime(const time_t* timer);
+tm* localtime(const time_t* timer);
+size_t strftime(char* restrict s, size_t maxsize, const char* restrict format,
+                const tm* restrict timeptr);
+int timespec_get( struct timespec *ts, int base); // C++17
+}  // std
+
+*/
+
+#include <__config>
+#include <time.h>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#pragma GCC system_header
+#endif
+
+// FIXME:
+// Apple SDKs don't define ::timespec_get unconditionally in C++ mode. This
+// should be fixed in future SDKs, but for the time being we need to avoid
+// trying to use that declaration when the SDK doesn't provide it. Note that
+// we're detecting this here instead of in <__config> because we can't include
+// system headers from <__config>, since it leads to circular module dependencies.
+// This is also meant to be a very temporary workaround until the SDKs are fixed.
+#if defined(__APPLE__) && !__has_attribute(using_if_exists)
+#   include <sys/cdefs.h>
+#   if defined(_LIBCPP_HAS_TIMESPEC_GET) && (__DARWIN_C_LEVEL < __DARWIN_C_FULL)
+#       define _LIBCPP_HAS_TIMESPEC_GET_NOT_ACTUALLY_PROVIDED
+#   endif
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+using ::clock_t _LIBCPP_USING_IF_EXISTS;
+using ::size_t _LIBCPP_USING_IF_EXISTS;
+using ::time_t _LIBCPP_USING_IF_EXISTS;
+using ::tm _LIBCPP_USING_IF_EXISTS;
+#if _LIBCPP_STD_VER > 14 && defined(_LIBCPP_HAS_TIMESPEC_GET)
+using ::timespec _LIBCPP_USING_IF_EXISTS;
+#endif
+using ::clock _LIBCPP_USING_IF_EXISTS;
+using ::difftime _LIBCPP_USING_IF_EXISTS;
+using ::mktime _LIBCPP_USING_IF_EXISTS;
+using ::time _LIBCPP_USING_IF_EXISTS;
+using ::asctime _LIBCPP_USING_IF_EXISTS;
+using ::ctime _LIBCPP_USING_IF_EXISTS;
+using ::gmtime _LIBCPP_USING_IF_EXISTS;
+using ::localtime _LIBCPP_USING_IF_EXISTS;
+using ::strftime _LIBCPP_USING_IF_EXISTS;
+#if _LIBCPP_STD_VER > 14 && defined(_LIBCPP_HAS_TIMESPEC_GET) && !defined(_LIBCPP_HAS_TIMESPEC_GET_NOT_ACTUALLY_PROVIDED)
+using ::timespec_get _LIBCPP_USING_IF_EXISTS;
+#endif
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP_CTIME