https://ci.freebsd.org/job/FreeBSD-head-i386-build/7202/console :
/usr/src/tools/diag/prtblknos/prtblknos.c:100:38: error: format specifies type 'long' but the argument has type 'off_t' (aka 'long long') [-Werror,-Wformat] printf("regular file, size %ld\n", size); ~~~ ^~~~ %lld /usr/src/tools/diag/prtblknos/prtblknos.c:107:35: error: format specifies type 'long' but the argument has type 'off_t' (aka 'long long') [-Werror,-Wformat] printf("directory, size %ld\n", size); ~~~ ^~~~ %lld