Source: clsync Version: 0.4.2-1 Severity: serious https://buildd.debian.org/status/package.php?p=clsync&suite=sid
... In file included from privileged.c:64:0: privileged.c:88:34: error: '__NR_select' undeclared here (not in a function) BPF_JUMP(BPF_JMP+BPF_JEQ+BPF_K, __NR_##syscall, 0, 1), \ ...