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build: improve macro for testing -latomic requirement

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MarcoFalke 2021-05-11 20:10:21 +02:00
parent 94f83534e4
commit fa25ce45e9
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1 changed files with 6 additions and 0 deletions
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6
build-aux/m4/l_atomic.m4
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@ -12,11 +12,17 @@ dnl warranty.
m4_define([_CHECK_ATOMIC_testbody], [[
#include <atomic>
#include <cstdint>
#include <chrono>
using namespace std::chrono_literals;
int main() {
std::atomic<bool> lock{true};
std::atomic_exchange(&lock, false);
std::atomic<std::chrono::seconds> t{0s};
t.store(2s);
std::atomic<int64_t> a{};
int64_t v = 5;