Refactoring louloulibs and cmake

Use OBJECT libraries
Remove the louloulibs directory
Write FOUND variables in the cache

src/utils/timed_events.cpp

@@ -0,0 +1,47 @@
+#include <utils/timed_events.hpp>
+
+TimedEvent::TimedEvent(std::chrono::steady_clock::time_point&& time_point,
+                       std::function<void()> callback, const std::string& name):
+  time_point(std::move(time_point)),
+  callback(callback),
+  repeat(false),
+  repeat_delay(0),
+  name(name)
+{
+}
+
+TimedEvent::TimedEvent(std::chrono::milliseconds&& duration,
+                       std::function<void()> callback, const std::string& name):
+  time_point(std::chrono::steady_clock::now() + duration),
+  callback(callback),
+  repeat(true),
+  repeat_delay(std::move(duration)),
+  name(name)
+{
+}
+
+bool TimedEvent::is_after(const TimedEvent& other) const
+{
+  return this->is_after(other.time_point);
+}
+
+bool TimedEvent::is_after(const std::chrono::steady_clock::time_point& time_point) const
+{
+  return this->time_point > time_point;
+}
+
+std::chrono::milliseconds TimedEvent::get_timeout() const
+{
+  auto diff = std::chrono::duration_cast<std::chrono::milliseconds>(this->time_point - std::chrono::steady_clock::now());
+  return std::max(diff, 0ms);
+}
+
+void TimedEvent::execute() const
+{
+  this->callback();
+}
+
+const std::string& TimedEvent::get_name() const
+{
+  return this->name;
+}