Remove monotonic_clock replacement macro for gcc-4.6
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18
configure.ac
18
configure.ac
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@ -170,24 +170,6 @@ AX_CXX_COMPILE_STDCXX_11([noext], [optional])
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AC_LANG_PUSH(C++)
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# Check that std::chrono::steady_clock is available. In particular,
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# gcc 4.6 does not have one, but has monotonic_clock which is the old
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# name existed in the pre-standard draft. If steady_clock is not
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# available, don't define HAVE_STEADY_CLOCK and replace steady_clock
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# with monotonic_clock.
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AC_MSG_CHECKING([whether std::chrono::steady_clock is available])
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
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[[
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#include <chrono>
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]],
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[[
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auto tp = std::chrono::steady_clock::now();
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]])],
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[AC_DEFINE([HAVE_STEADY_CLOCK], [1],
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[Define to 1 if you have the `std::chrono::steady_clock`.])
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AC_MSG_RESULT([yes])],
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[AC_MSG_RESULT([no])])
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# Check that std::future is available.
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AC_MSG_CHECKING([whether std::future is available])
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
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@ -29,10 +29,4 @@
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#include <config.h>
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#endif // HAVE_CONFIG_H
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// gcc 4.6 has std::chrono::monotonic_clock, which was renamed as
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// std::chrono::steady_clock in C++11 standard.
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#ifndef HAVE_STEADY_CLOCK
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#define steady_clock monotonic_clock
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#endif // !HAVE_STEADY_CLOCK
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#endif // NGHTTP2_CONFIG_H
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