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Remove monotonic_clock replacement macro for gcc-4.6

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Tatsuhiro Tsujikawa
2015-07-29 21:18:36 +09:00
parent 762bafa47b
commit c379b46a26
2 changed files with 0 additions and 24 deletions
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18
configure.ac
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@@ -170,24 +170,6 @@ AX_CXX_COMPILE_STDCXX_11([noext], [optional])
AC_LANG_PUSH(C++)
# Check that std::chrono::steady_clock is available. In particular,
# gcc 4.6 does not have one, but has monotonic_clock which is the old
# name existed in the pre-standard draft. If steady_clock is not
# available, don't define HAVE_STEADY_CLOCK and replace steady_clock
# with monotonic_clock.
AC_MSG_CHECKING([whether std::chrono::steady_clock is available])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
[[
#include <chrono>
]],
[[
auto tp = std::chrono::steady_clock::now();
]])],
[AC_DEFINE([HAVE_STEADY_CLOCK], [1],
[Define to 1 if you have the `std::chrono::steady_clock`.])
AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])])
# Check that std::future is available.
AC_MSG_CHECKING([whether std::future is available])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(