boost::placeholders::1/2 replaces the deprecated _1/_2
C++17 (the default in 22.04) is needed to avoid log4cxx build errors, since this is the noetic branch C++14 will be used by default there and should still work, shouldn't be pinned back to C++11.
boost::placeholders::1/2 replaces the deprecated _1/_2
C++17 (the default in 22.04) is needed to avoid log4cxx build errors, since this is the noetic branch C++14 will be used by default there and should still work, shouldn't be pinned back to C++11.