diff --git a/build-aux/m4/l_atomic.m4 b/build-aux/m4/l_atomic.m4 index 5201a8cc7cb..40639dfe618 100644 --- a/build-aux/m4/l_atomic.m4 +++ b/build-aux/m4/l_atomic.m4 @@ -12,11 +12,17 @@ dnl warranty. m4_define([_CHECK_ATOMIC_testbody], [[ #include #include + #include + + using namespace std::chrono_literals; int main() { std::atomic lock{true}; std::atomic_exchange(&lock, false); + std::atomic t{0s}; + t.store(2s); + std::atomic a{}; int64_t v = 5;