@@ -22,7 +22,20 @@
// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
// <http://www.gnu.org/licenses/>.
+#include <bits/c++config.h>
+
+#ifndef _GLIBCXX_USE_CLOCK_MONOTONIC
+// If !_GLIBCXX_USE_CLOCK_MONOTONIC, std::chrono::steady_clock
+// is just a typedef to std::chrono::system_clock, for ABI compatibility
+// force it not to be a typedef now and export it anyway. Programs
+// using the headers where it is a typedef will actually just use
+// std::chrono::system_clock instead, and this remains here just as a fallback.
+#define _GLIBCXX_USE_CLOCK_MONOTONIC
+#include <chrono>
+#undef _GLIBCXX_USE_CLOCK_MONOTONIC
+#else
#include <chrono>
+#endif
#ifdef _GLIBCXX_USE_C99_STDINT_TR1
@@ -32,13 +45,18 @@
defined(_GLIBCXX_USE_GETTIMEOFDAY)
#include <sys/time.h>
#endif
+#ifdef _GLIBCXX_USE_CLOCK_GETTIME_SYSCALL
+#include <unistd.h>
+#include <sys/syscall.h>
+#endif
namespace std _GLIBCXX_VISIBILITY(default)
{
namespace chrono
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION
-
+
+#ifndef _GLIBCXX_COMPATIBILITY_CXX0X
constexpr bool system_clock::is_steady;
system_clock::time_point
@@ -47,7 +65,11 @@ namespace std _GLIBCXX_VISIBILITY(defaul
#ifdef _GLIBCXX_USE_CLOCK_REALTIME
timespec tp;
// -EINVAL, -EFAULT
+#ifdef _GLIBCXX_USE_CLOCK_GETTIME_SYSCALL
+ syscall(SYS_clock_gettime, CLOCK_REALTIME, &tp);
+#else
clock_gettime(CLOCK_REALTIME, &tp);
+#endif
return time_point(duration(chrono::seconds(tp.tv_sec)
+ chrono::nanoseconds(tp.tv_nsec)));
#elif defined(_GLIBCXX_USE_GETTIMEOFDAY)
@@ -61,20 +83,35 @@ namespace std _GLIBCXX_VISIBILITY(defaul
return system_clock::from_time_t(__sec);
#endif
}
+#endif
-#ifdef _GLIBCXX_USE_CLOCK_MONOTONIC
+#ifndef _GLIBCXX_COMPATIBILITY_CXX0X
constexpr bool steady_clock::is_steady;
+#endif
+#if defined(_GLIBCXX_SYMVER_GNU) && defined(_GLIBCXX_SHARED) \
+ && defined(_GLIBCXX_HAVE_AS_SYMVER_DIRECTIVE) \
+ && defined(_GLIBCXX_HAVE_SYMVER_SYMBOL_RENAMING_RUNTIME_SUPPORT) \
+ && !defined(_GLIBCXX_COMPATIBILITY_CXX0X)
+ __attribute__((__weak__))
+#endif
steady_clock::time_point
steady_clock::now() noexcept
{
+#ifdef _GLIBCXX_USE_CLOCK_MONOTONIC
timespec tp;
// -EINVAL, -EFAULT
+#ifdef _GLIBCXX_USE_CLOCK_GETTIME_SYSCALL
+ syscall(SYS_clock_gettime, CLOCK_MONOTONIC, &tp);
+#else
clock_gettime(CLOCK_MONOTONIC, &tp);
+#endif
return time_point(duration(chrono::seconds(tp.tv_sec)
+ chrono::nanoseconds(tp.tv_nsec)));
- }
+#else
+ return time_point(system_clock::now().time_since_epoch());
#endif
+ }
_GLIBCXX_END_NAMESPACE_VERSION
} // namespace chrono
@@ -50,7 +50,8 @@ cxx98_sources = \
cxx11_sources = \
compatibility-c++0x.cc \
compatibility-atomic-c++0x.cc \
- compatibility-thread-c++0x.cc
+ compatibility-thread-c++0x.cc \
+ compatibility-chrono.cc
libstdc___la_SOURCES = $(cxx98_sources) $(cxx11_sources)
@@ -97,6 +98,11 @@ compatibility-thread-c++0x.lo: compatibi
compatibility-thread-c++0x.o: compatibility-thread-c++0x.cc
$(CXXCOMPILE) -std=gnu++11 -c $<
+compatibility-chrono.lo: compatibility-chrono.cc
+ $(LTCXXCOMPILE) -std=gnu++11 -c $<
+compatibility-chrono.o: compatibility-chrono.cc
+ $(CXXCOMPILE) -std=gnu++11 -c $<
+
# A note on compatibility and static libraries.
#
# static lib == linked against only this version, should not need compat
@@ -0,0 +1,58 @@
+// Compatibility symbols for previous versions, C++0x bits -*- C++ -*-
+
+// Copyright (C) 2013 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+// <http://www.gnu.org/licenses/>.
+
+#define _GLIBCXX_COMPATIBILITY_CXX0X
+#include <bits/c++config.h>
+
+#if defined(_GLIBCXX_SYMVER_GNU) && defined(_GLIBCXX_SHARED) \
+ && defined(_GLIBCXX_HAVE_AS_SYMVER_DIRECTIVE)\
+ && defined(_GLIBCXX_HAVE_SYMVER_SYMBOL_RENAMING_RUNTIME_SUPPORT)
+
+#define steady_clock steady_clockXX
+#include "chrono.cc"
+
+// The rename syntax for default exported names is
+// asm (".symver name1,exportedname@GLIBCXX_3.4.17")
+// asm (".symver name2,exportedname@@GLIBCXX_3.4.19")
+// In the future, GLIBCXX_ABI > 6 should remove all uses of
+// _GLIBCXX_*_SYMVER macros in this file.
+
+#define _GLIBCXX_3_4_17_SYMVER(XXname, name) \
+ extern "C" void \
+ _X##name() \
+ __attribute__ ((alias(#XXname))); \
+ asm (".symver " "_X" #name "," #name "@GLIBCXX_3.4.17");
+
+#define _GLIBCXX_3_4_19_SYMVER(XXname, name) \
+ extern "C" void \
+ _Y##name() \
+ __attribute__ ((alias(#XXname))); \
+ asm (".symver " "_Y" #name "," #name "@@GLIBCXX_3.4.19");
+
+_GLIBCXX_3_4_17_SYMVER(_ZNSt6chrono14steady_clockXX3nowEv,
+ _ZNSt6chrono12steady_clock3nowEv)
+_GLIBCXX_3_4_19_SYMVER(_ZNSt6chrono14steady_clockXX3nowEv,
+ _ZNSt6chrono12steady_clock3nowEv)
+
+#endif
@@ -1322,6 +1322,31 @@ AC_DEFUN([GLIBCXX_ENABLE_LIBSTDCXX_TIME]
fi
fi
+ if test x"$ac_has_clock_monotonic" != x"yes"; then
+ case ${target_os} in
+ linux*)
+ AC_MSG_CHECKING([for clock_gettime syscall])
+ AC_TRY_COMPILE(
+ [#include <unistd.h>
+ #include <time.h>
+ #include <sys/syscall.h>
+ ],
+ [#if _POSIX_TIMERS > 0 && defined(_POSIX_MONOTONIC_CLOCK)
+ timespec tp;
+ #endif
+ syscall(SYS_clock_gettime, CLOCK_MONOTONIC, &tp);
+ syscall(SYS_clock_gettime, CLOCK_REALTIME, &tp);
+ ], [ac_has_clock_monotonic_syscall=yes], [ac_has_clock_monotonic_syscall=no])
+ AC_MSG_RESULT($ac_has_clock_monotonic_syscall)
+ if test x"$ac_has_clock_monotonic_syscall" = x"yes"; then
+ AC_DEFINE(_GLIBCXX_USE_CLOCK_GETTIME_SYSCALL, 1,
+ [ Defined if clock_gettime syscall has monotonic and realtime clock support. ])
+ ac_has_clock_monotonic=yes
+ ac_has_clock_realtime=yes
+ fi;;
+ esac
+ fi
+
if test x"$ac_has_clock_monotonic" = x"yes"; then
AC_DEFINE(_GLIBCXX_USE_CLOCK_MONOTONIC, 1,
[ Defined if clock_gettime has monotonic clock support. ])
@@ -199,6 +199,7 @@ check_version(symbol& test, bool added)
known_versions.push_back("GLIBCXX_3.4.17");
known_versions.push_back("GLIBCXX_3.4.18");
known_versions.push_back("GLIBCXX_3.4.19");
+ known_versions.push_back("GLIBCXX_3.4.20");
known_versions.push_back("CXXABI_1.3");
known_versions.push_back("CXXABI_LDBL_1.3");
known_versions.push_back("CXXABI_1.3.1");
@@ -225,7 +226,7 @@ check_version(symbol& test, bool added)
test.version_status = symbol::incompatible;
// Check that added symbols are added in the latest pre-release version.
- bool latestp = (test.version_name == "GLIBCXX_3.4.19"
+ bool latestp = (test.version_name == "GLIBCXX_3.4.20"
|| test.version_name == "CXXABI_1.3.8"
|| test.version_name == "CXXABI_TM_1");
if (added && !latestp)
@@ -1303,9 +1303,6 @@ GLIBCXX_3.4.17 {
_ZN11__gnu_debug25_Safe_local_iterator_base9_M_attachEPNS_19_Safe_sequence_baseEb;
_ZN11__gnu_debug25_Safe_local_iterator_base9_M_detachEv;
- # std::chrono::steady_clock::now()
- _ZNSt6chrono12steady_clock3nowEv;
-
# std::numeric_limits<__int128> and <unsigned __int128>
_ZNSt14numeric_limitsInE*;
_ZNSt14numeric_limitsIoE*;
@@ -1323,6 +1320,12 @@ GLIBCXX_3.4.17 {
_ZNSt13__future_base19_Async_state_commonD1Ev;
_ZNSt13__future_base19_Async_state_commonD2Ev;
+#ifdef HAVE_SYMVER_SYMBOL_RENAMING_RUNTIME_SUPPORT
+ # GLIBCXX_ABI compatibility only.
+ # std::chrono::steady_clock::now()
+ _ZNSt6chrono12steady_clock3nowEv;
+#endif
+
} GLIBCXX_3.4.16;
GLIBCXX_3.4.18 {
@@ -1345,6 +1345,13 @@ GLIBCXX_3.4.18 {
} GLIBCXX_3.4.17;
GLIBCXX_3.4.19 {
+
+ # std::chrono::steady_clock::now()
+ _ZNSt6chrono12steady_clock3nowEv;
+
+} GLIBCXX_3.4.18;
+
+GLIBCXX_3.4.20 {
# std::get_new_handler()
_ZSt15get_new_handlerv;
@@ -1355,7 +1360,7 @@ GLIBCXX_3.4.19 {
# std::get_unexpected()
_ZSt14get_unexpectedv;
-} GLIBCXX_3.4.18;
+} GLIBCXX_3.4.19;
# Symbols in the support library (libsupc++) have their own tag.
CXXABI_1.3 {
@@ -1938,6 +1938,8 @@ FUNC:_ZNSt6__norm15_List_node_base7rever
FUNC:_ZNSt6__norm15_List_node_base8transferEPS0_S1_@@GLIBCXX_3.4.9
FUNC:_ZNSt6__norm15_List_node_base9_M_unhookEv@@GLIBCXX_3.4.14
FUNC:_ZNSt6chrono12system_clock3nowEv@@GLIBCXX_3.4.11
+FUNC:_ZNSt6chrono12steady_clock3nowEv@@GLIBCXX_3.4.19
+FUNC:_ZNSt6chrono12steady_clock3nowEv@GLIBCXX_3.4.17
FUNC:_ZNSt6gslice8_IndexerC1EjRKSt8valarrayIjES4_@@GLIBCXX_3.4
FUNC:_ZNSt6gslice8_IndexerC2EjRKSt8valarrayIjES4_@@GLIBCXX_3.4
FUNC:_ZNSt6locale11_M_coalesceERKS_S1_i@@GLIBCXX_3.4
@@ -2514,6 +2516,7 @@ OBJECT:0:GLIBCXX_3.4.15
OBJECT:0:GLIBCXX_3.4.16
OBJECT:0:GLIBCXX_3.4.17
OBJECT:0:GLIBCXX_3.4.18
+OBJECT:0:GLIBCXX_3.4.19
OBJECT:0:GLIBCXX_3.4.2
OBJECT:0:GLIBCXX_3.4.3
OBJECT:0:GLIBCXX_3.4.4
@@ -2128,6 +2128,8 @@ FUNC:_ZNSt6__norm15_List_node_base7rever
FUNC:_ZNSt6__norm15_List_node_base8transferEPS0_S1_@@GLIBCXX_3.4.9
FUNC:_ZNSt6__norm15_List_node_base9_M_unhookEv@@GLIBCXX_3.4.14
FUNC:_ZNSt6chrono12system_clock3nowEv@@GLIBCXX_3.4.11
+FUNC:_ZNSt6chrono12steady_clock3nowEv@@GLIBCXX_3.4.19
+FUNC:_ZNSt6chrono12steady_clock3nowEv@GLIBCXX_3.4.17
FUNC:_ZNSt6gslice8_IndexerC1EmRKSt8valarrayImES4_@@GLIBCXX_3.4
FUNC:_ZNSt6gslice8_IndexerC2EmRKSt8valarrayImES4_@@GLIBCXX_3.4
FUNC:_ZNSt6locale11_M_coalesceERKS_S1_i@@GLIBCXX_3.4
@@ -2748,6 +2750,7 @@ OBJECT:0:GLIBCXX_3.4.15
OBJECT:0:GLIBCXX_3.4.16
OBJECT:0:GLIBCXX_3.4.17
OBJECT:0:GLIBCXX_3.4.18
+OBJECT:0:GLIBCXX_3.4.19
OBJECT:0:GLIBCXX_3.4.2
OBJECT:0:GLIBCXX_3.4.3
OBJECT:0:GLIBCXX_3.4.4
@@ -2128,6 +2128,8 @@ FUNC:_ZNSt6__norm15_List_node_base7rever
FUNC:_ZNSt6__norm15_List_node_base8transferEPS0_S1_@@GLIBCXX_3.4.9
FUNC:_ZNSt6__norm15_List_node_base9_M_unhookEv@@GLIBCXX_3.4.14
FUNC:_ZNSt6chrono12system_clock3nowEv@@GLIBCXX_3.4.11
+FUNC:_ZNSt6chrono12steady_clock3nowEv@@GLIBCXX_3.4.19
+FUNC:_ZNSt6chrono12steady_clock3nowEv@GLIBCXX_3.4.17
FUNC:_ZNSt6gslice8_IndexerC1EmRKSt8valarrayImES4_@@GLIBCXX_3.4
FUNC:_ZNSt6gslice8_IndexerC2EmRKSt8valarrayImES4_@@GLIBCXX_3.4
FUNC:_ZNSt6locale11_M_coalesceERKS_S1_i@@GLIBCXX_3.4
@@ -2748,6 +2750,7 @@ OBJECT:0:GLIBCXX_3.4.15
OBJECT:0:GLIBCXX_3.4.16
OBJECT:0:GLIBCXX_3.4.17
OBJECT:0:GLIBCXX_3.4.18
+OBJECT:0:GLIBCXX_3.4.19
OBJECT:0:GLIBCXX_3.4.2
OBJECT:0:GLIBCXX_3.4.3
OBJECT:0:GLIBCXX_3.4.4
@@ -2128,6 +2128,8 @@ FUNC:_ZNSt6__norm15_List_node_base7rever
FUNC:_ZNSt6__norm15_List_node_base8transferEPS0_S1_@@GLIBCXX_3.4.9
FUNC:_ZNSt6__norm15_List_node_base9_M_unhookEv@@GLIBCXX_3.4.14
FUNC:_ZNSt6chrono12system_clock3nowEv@@GLIBCXX_3.4.11
+FUNC:_ZNSt6chrono12steady_clock3nowEv@@GLIBCXX_3.4.19
+FUNC:_ZNSt6chrono12steady_clock3nowEv@GLIBCXX_3.4.17
FUNC:_ZNSt6gslice8_IndexerC1EjRKSt8valarrayIjES4_@@GLIBCXX_3.4
FUNC:_ZNSt6gslice8_IndexerC2EjRKSt8valarrayIjES4_@@GLIBCXX_3.4
FUNC:_ZNSt6locale11_M_coalesceERKS_S1_i@@GLIBCXX_3.4
@@ -2748,6 +2750,7 @@ OBJECT:0:GLIBCXX_3.4.15
OBJECT:0:GLIBCXX_3.4.16
OBJECT:0:GLIBCXX_3.4.17
OBJECT:0:GLIBCXX_3.4.18
+OBJECT:0:GLIBCXX_3.4.19
OBJECT:0:GLIBCXX_3.4.2
OBJECT:0:GLIBCXX_3.4.3
OBJECT:0:GLIBCXX_3.4.4
@@ -1938,6 +1938,8 @@ FUNC:_ZNSt6__norm15_List_node_base7rever
FUNC:_ZNSt6__norm15_List_node_base8transferEPS0_S1_@@GLIBCXX_3.4.9
FUNC:_ZNSt6__norm15_List_node_base9_M_unhookEv@@GLIBCXX_3.4.14
FUNC:_ZNSt6chrono12system_clock3nowEv@@GLIBCXX_3.4.11
+FUNC:_ZNSt6chrono12steady_clock3nowEv@@GLIBCXX_3.4.19
+FUNC:_ZNSt6chrono12steady_clock3nowEv@GLIBCXX_3.4.17
FUNC:_ZNSt6gslice8_IndexerC1EmRKSt8valarrayImES4_@@GLIBCXX_3.4
FUNC:_ZNSt6gslice8_IndexerC2EmRKSt8valarrayImES4_@@GLIBCXX_3.4
FUNC:_ZNSt6locale11_M_coalesceERKS_S1_i@@GLIBCXX_3.4
@@ -2514,6 +2516,7 @@ OBJECT:0:GLIBCXX_3.4.15
OBJECT:0:GLIBCXX_3.4.16
OBJECT:0:GLIBCXX_3.4.17
OBJECT:0:GLIBCXX_3.4.18
+OBJECT:0:GLIBCXX_3.4.19
OBJECT:0:GLIBCXX_3.4.2
OBJECT:0:GLIBCXX_3.4.3
OBJECT:0:GLIBCXX_3.4.4
@@ -1938,6 +1938,8 @@ FUNC:_ZNSt6__norm15_List_node_base7rever
FUNC:_ZNSt6__norm15_List_node_base8transferEPS0_S1_@@GLIBCXX_3.4.9
FUNC:_ZNSt6__norm15_List_node_base9_M_unhookEv@@GLIBCXX_3.4.14
FUNC:_ZNSt6chrono12system_clock3nowEv@@GLIBCXX_3.4.11
+FUNC:_ZNSt6chrono12steady_clock3nowEv@@GLIBCXX_3.4.19
+FUNC:_ZNSt6chrono12steady_clock3nowEv@GLIBCXX_3.4.17
FUNC:_ZNSt6gslice8_IndexerC1EjRKSt8valarrayIjES4_@@GLIBCXX_3.4
FUNC:_ZNSt6gslice8_IndexerC2EjRKSt8valarrayIjES4_@@GLIBCXX_3.4
FUNC:_ZNSt6locale11_M_coalesceERKS_S1_i@@GLIBCXX_3.4
@@ -2514,6 +2516,7 @@ OBJECT:0:GLIBCXX_3.4.15
OBJECT:0:GLIBCXX_3.4.16
OBJECT:0:GLIBCXX_3.4.17
OBJECT:0:GLIBCXX_3.4.18
+OBJECT:0:GLIBCXX_3.4.19
OBJECT:0:GLIBCXX_3.4.2
OBJECT:0:GLIBCXX_3.4.3
OBJECT:0:GLIBCXX_3.4.4
@@ -2128,6 +2128,8 @@ FUNC:_ZNSt6__norm15_List_node_base7rever
FUNC:_ZNSt6__norm15_List_node_base8transferEPS0_S1_@@GLIBCXX_3.4.9
FUNC:_ZNSt6__norm15_List_node_base9_M_unhookEv@@GLIBCXX_3.4.14
FUNC:_ZNSt6chrono12system_clock3nowEv@@GLIBCXX_3.4.11
+FUNC:_ZNSt6chrono12steady_clock3nowEv@@GLIBCXX_3.4.19
+FUNC:_ZNSt6chrono12steady_clock3nowEv@GLIBCXX_3.4.17
FUNC:_ZNSt6gslice8_IndexerC1EjRKSt8valarrayIjES4_@@GLIBCXX_3.4
FUNC:_ZNSt6gslice8_IndexerC2EjRKSt8valarrayIjES4_@@GLIBCXX_3.4
FUNC:_ZNSt6locale11_M_coalesceERKS_S1_i@@GLIBCXX_3.4
@@ -2748,6 +2750,7 @@ OBJECT:0:GLIBCXX_3.4.15
OBJECT:0:GLIBCXX_3.4.16
OBJECT:0:GLIBCXX_3.4.17
OBJECT:0:GLIBCXX_3.4.18
+OBJECT:0:GLIBCXX_3.4.19
OBJECT:0:GLIBCXX_3.4.2
OBJECT:0:GLIBCXX_3.4.3
OBJECT:0:GLIBCXX_3.4.4
@@ -2128,6 +2128,8 @@ FUNC:_ZNSt6__norm15_List_node_base7rever
FUNC:_ZNSt6__norm15_List_node_base8transferEPS0_S1_@@GLIBCXX_3.4.9
FUNC:_ZNSt6__norm15_List_node_base9_M_unhookEv@@GLIBCXX_3.4.14
FUNC:_ZNSt6chrono12system_clock3nowEv@@GLIBCXX_3.4.11
+FUNC:_ZNSt6chrono12steady_clock3nowEv@@GLIBCXX_3.4.19
+FUNC:_ZNSt6chrono12steady_clock3nowEv@GLIBCXX_3.4.17
FUNC:_ZNSt6gslice8_IndexerC1EmRKSt8valarrayImES4_@@GLIBCXX_3.4
FUNC:_ZNSt6gslice8_IndexerC2EmRKSt8valarrayImES4_@@GLIBCXX_3.4
FUNC:_ZNSt6locale11_M_coalesceERKS_S1_i@@GLIBCXX_3.4
@@ -2748,6 +2750,7 @@ OBJECT:0:GLIBCXX_3.4.15
OBJECT:0:GLIBCXX_3.4.16
OBJECT:0:GLIBCXX_3.4.17
OBJECT:0:GLIBCXX_3.4.18
+OBJECT:0:GLIBCXX_3.4.19
OBJECT:0:GLIBCXX_3.4.2
OBJECT:0:GLIBCXX_3.4.3
OBJECT:0:GLIBCXX_3.4.4
@@ -1938,6 +1938,8 @@ FUNC:_ZNSt6__norm15_List_node_base7rever
FUNC:_ZNSt6__norm15_List_node_base8transferEPS0_S1_@@GLIBCXX_3.4.9
FUNC:_ZNSt6__norm15_List_node_base9_M_unhookEv@@GLIBCXX_3.4.14
FUNC:_ZNSt6chrono12system_clock3nowEv@@GLIBCXX_3.4.11
+FUNC:_ZNSt6chrono12steady_clock3nowEv@@GLIBCXX_3.4.19
+FUNC:_ZNSt6chrono12steady_clock3nowEv@GLIBCXX_3.4.17
FUNC:_ZNSt6gslice8_IndexerC1EjRKSt8valarrayIjES4_@@GLIBCXX_3.4
FUNC:_ZNSt6gslice8_IndexerC2EjRKSt8valarrayIjES4_@@GLIBCXX_3.4
FUNC:_ZNSt6locale11_M_coalesceERKS_S1_i@@GLIBCXX_3.4
@@ -2514,6 +2516,7 @@ OBJECT:0:GLIBCXX_3.4.15
OBJECT:0:GLIBCXX_3.4.16
OBJECT:0:GLIBCXX_3.4.17
OBJECT:0:GLIBCXX_3.4.18
+OBJECT:0:GLIBCXX_3.4.19
OBJECT:0:GLIBCXX_3.4.2
OBJECT:0:GLIBCXX_3.4.3
OBJECT:0:GLIBCXX_3.4.4
@@ -813,6 +813,9 @@
/* Defined if clock_gettime has monotonic clock support. */
#undef _GLIBCXX_USE_CLOCK_MONOTONIC
+/* Defined if clock_gettime syscall has monotonic and realtime clock support. */
+#undef _GLIBCXX_USE_CLOCK_GETTIME_SYSCALL
+
/* Defined if clock_gettime has realtime clock support. */
#undef _GLIBCXX_USE_CLOCK_REALTIME
@@ -93,7 +93,7 @@ am__DEPENDENCIES_1 =
am__objects_2 = compatibility.lo compatibility-debug_list.lo \
compatibility-debug_list-2.lo $(am__objects_1)
am__objects_3 = compatibility-c++0x.lo compatibility-atomic-c++0x.lo \
- compatibility-thread-c++0x.lo
+ compatibility-thread-c++0x.lo compatibility-chrono.lo
am_libstdc___la_OBJECTS = $(am__objects_2) $(am__objects_3)
libstdc___la_OBJECTS = $(am_libstdc___la_OBJECTS)
DEFAULT_INCLUDES = -I.@am__isrc@ -I$(top_builddir)
@@ -351,7 +351,8 @@ cxx98_sources = \
cxx11_sources = \
compatibility-c++0x.cc \
compatibility-atomic-c++0x.cc \
- compatibility-thread-c++0x.cc
+ compatibility-thread-c++0x.cc \
+ compatibility-chrono.cc
libstdc___la_SOURCES = $(cxx98_sources) $(cxx11_sources)
libstdc___la_LIBADD = \
@@ -848,6 +849,11 @@ compatibility-thread-c++0x.lo: compatibi
compatibility-thread-c++0x.o: compatibility-thread-c++0x.cc
$(CXXCOMPILE) -std=gnu++11 -c $<
+compatibility-chrono.lo: compatibility-chrono.cc
+ $(LTCXXCOMPILE) -std=gnu++11 -c $<
+compatibility-chrono.o: compatibility-chrono.cc
+ $(CXXCOMPILE) -std=gnu++11 -c $<
+
# Symbol versioning for shared libraries.
@ENABLE_SYMVERS_TRUE@libstdc++-symbols.ver: ${glibcxx_srcdir}/$(SYMVER_FILE) \
@ENABLE_SYMVERS_TRUE@ $(port_specific_symbol_files)
@@ -19883,6 +19883,48 @@ $as_echo "$ac_has_nanosleep" >&6; }
fi
fi
+ if test x"$ac_has_clock_monotonic" != x"yes"; then
+ case ${target_os} in
+ linux*)
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for clock_gettime syscall" >&5
+$as_echo_n "checking for clock_gettime syscall... " >&6; }
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <unistd.h>
+ #include <time.h>
+ #include <sys/syscall.h>
+
+int
+main ()
+{
+#if _POSIX_TIMERS > 0 && defined(_POSIX_MONOTONIC_CLOCK)
+ timespec tp;
+ #endif
+ syscall(SYS_clock_gettime, CLOCK_MONOTONIC, &tp);
+ syscall(SYS_clock_gettime, CLOCK_REALTIME, &tp);
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+ ac_has_clock_monotonic_syscall=yes
+else
+ ac_has_clock_monotonic_syscall=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_has_clock_monotonic_syscall" >&5
+$as_echo "$ac_has_clock_monotonic_syscall" >&6; }
+ if test x"$ac_has_clock_monotonic_syscall" = x"yes"; then
+
+$as_echo "#define _GLIBCXX_USE_CLOCK_GETTIME_SYSCALL 1" >>confdefs.h
+
+ ac_has_clock_monotonic=yes
+ ac_has_clock_realtime=yes
+ fi;;
+ esac
+ fi
+
if test x"$ac_has_clock_monotonic" = x"yes"; then
$as_echo "#define _GLIBCXX_USE_CLOCK_MONOTONIC 1" >>confdefs.h