LOG_ABSOLUTE_TIME not compatible to GCC 4.9
std::put_time was only added in GCC 5.0 -> we need to find another solution (likely some ugly c functions - dig in git to check what we used before put_time?)
std::put_time was only added in GCC 5.0 -> we need to find another solution (likely some ugly c functions - dig in git to check what we used before put_time?)