-Wno-cpp still is needed for glibc 2.30 which in Debian still is only in experimental
-Wno-error=format-truncation was for gcc9 => is no more needed with the new source
-Wno-cpp still is needed for glibc 2.30 which in Debian still is only in experimental
-Wno-error= format- truncation was for gcc9 => is no more needed with the new source