Was fixed by https://github.com/llvm-mirror/libcxx/commit/7d7b9944b2d758a1abec619d2edd3e769575ce07
On Tue, Sep 2, 2014 at 4:51 PM, David Blaikie <[email protected]> wrote: > I'm seeing some build errors for libcxx on Linux (Ubuntu 14.04 LTS): > > /usr/local/google/home/blaikie/dev/llvm/src/projects/libcxx/include/__mutex_base:379:5: > error: use of undeclared identifier 'steady_clock' > steady_clock::time_point __c_now = steady_clock::now(); > ^ > > Just taking a stab in teh dark that it's related to this commit? Or > perhaps something else time related changed recently? > > Anything I can do to fix/debug/help with this? > > > On Tue, Sep 2, 2014 at 2:14 PM, Jonathan Roelofs < > [email protected]> wrote: > >> Author: jroelofs >> Date: Tue Sep 2 16:14:38 2014 >> New Revision: 216949 >> >> URL: http://llvm.org/viewvc/llvm-project?rev=216949&view=rev >> Log: >> Partially address a FIXME in steady_clock::now() >> >> http://reviews.llvm.org/D4045 >> >> Modified: >> libcxx/trunk/include/__config >> libcxx/trunk/include/chrono >> libcxx/trunk/src/chrono.cpp >> >> libcxx/trunk/test/utilities/time/time.clock/time.clock.steady/consistency.pass.cpp >> >> libcxx/trunk/test/utilities/time/time.clock/time.clock.steady/now.pass.cpp >> >> Modified: libcxx/trunk/include/__config >> URL: >> http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/__config?rev=216949&r1=216948&r2=216949&view=diff >> >> ============================================================================== >> --- libcxx/trunk/include/__config (original) >> +++ libcxx/trunk/include/__config Tue Sep 2 16:14:38 2014 >> @@ -650,6 +650,11 @@ template <unsigned> struct __static_asse >> # define _LIBCPP_TRIVIAL_PAIR_COPY_CTOR 1 >> #endif >> >> +#if (!defined(_POSIX_TIMERS) || _POSIX_TIMERS <= 0) || \ >> + (!defined(_POSIX_MONOTONIC_CLOCK) || _POSIX_MONOTONIC_CLOCK <= 0) >> +#define _LIBCPP_HAS_NO_MONOTONIC_CLOCK >> +#endif >> + >> #ifndef _LIBCPP_STD_VER >> # if __cplusplus <= 201103L >> # define _LIBCPP_STD_VER 11 >> >> Modified: libcxx/trunk/include/chrono >> URL: >> http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/chrono?rev=216949&r1=216948&r2=216949&view=diff >> >> ============================================================================== >> --- libcxx/trunk/include/chrono (original) >> +++ libcxx/trunk/include/chrono Tue Sep 2 16:14:38 2014 >> @@ -926,6 +926,7 @@ public: >> static time_point from_time_t(time_t __t) _NOEXCEPT; >> }; >> >> +#ifndef _LIBCPP_HAS_NO_MONOTONIC_CLOCK >> class _LIBCPP_TYPE_VIS steady_clock >> { >> public: >> @@ -939,6 +940,9 @@ public: >> }; >> >> typedef steady_clock high_resolution_clock; >> +#else >> +typedef system_clock high_resolution_clock; >> +#endif >> >> } // chrono >> >> >> Modified: libcxx/trunk/src/chrono.cpp >> URL: >> http://llvm.org/viewvc/llvm-project/libcxx/trunk/src/chrono.cpp?rev=216949&r1=216948&r2=216949&view=diff >> >> ============================================================================== >> --- libcxx/trunk/src/chrono.cpp (original) >> +++ libcxx/trunk/src/chrono.cpp Tue Sep 2 16:14:38 2014 >> @@ -46,6 +46,7 @@ system_clock::from_time_t(time_t t) _NOE >> return system_clock::time_point(seconds(t)); >> } >> >> +#ifndef _LIBCPP_HAS_NO_MONOTONIC_CLOCK >> // steady_clock >> >> const bool steady_clock::is_steady; >> @@ -127,6 +128,8 @@ steady_clock::now() _NOEXCEPT >> } >> #endif // __APPLE__ >> >> +#endif // !_LIBCPP_HAS_NO_MONOTONIC_CLOCK >> + >> } >> >> _LIBCPP_END_NAMESPACE_STD >> >> Modified: >> libcxx/trunk/test/utilities/time/time.clock/time.clock.steady/consistency.pass.cpp >> URL: >> http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/utilities/time/time.clock/time.clock.steady/consistency.pass.cpp?rev=216949&r1=216948&r2=216949&view=diff >> >> ============================================================================== >> --- >> libcxx/trunk/test/utilities/time/time.clock/time.clock.steady/consistency.pass.cpp >> (original) >> +++ >> libcxx/trunk/test/utilities/time/time.clock/time.clock.steady/consistency.pass.cpp >> Tue Sep 2 16:14:38 2014 >> @@ -11,6 +11,7 @@ >> // darwin11 and darwin12: >> // XFAIL: with_system_lib=x86_64-apple-darwin11 >> // XFAIL: with_system_lib=x86_64-apple-darwin12 >> +// UNSUPPORTED: no-monotonic-clock >> >> // <chrono> >> >> >> Modified: >> libcxx/trunk/test/utilities/time/time.clock/time.clock.steady/now.pass.cpp >> URL: >> http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/utilities/time/time.clock/time.clock.steady/now.pass.cpp?rev=216949&r1=216948&r2=216949&view=diff >> >> ============================================================================== >> --- >> libcxx/trunk/test/utilities/time/time.clock/time.clock.steady/now.pass.cpp >> (original) >> +++ >> libcxx/trunk/test/utilities/time/time.clock/time.clock.steady/now.pass.cpp >> Tue Sep 2 16:14:38 2014 >> @@ -6,6 +6,8 @@ >> // Source Licenses. See LICENSE.TXT for details. >> // >> >> >> //===----------------------------------------------------------------------===// >> +// >> +// UNSUPPORTED: no-monotonic-clock >> >> // <chrono> >> >> >> >> _______________________________________________ >> cfe-commits mailing list >> [email protected] >> http://lists.cs.uiuc.edu/mailman/listinfo/cfe-commits >> > > > _______________________________________________ > cfe-commits mailing list > [email protected] > http://lists.cs.uiuc.edu/mailman/listinfo/cfe-commits > >
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