--- gdb-8.1/gdb/nat/linux-osdata.c.old 2018-01-04 22:07:23.000000000 -0600 +++ gdb-8.1/gdb/nat/linux-osdata.c 2018-06-22 04:31:42.655497623 -0500 @@ -23,7 +23,8 @@ #include <sys/types.h> #include <sys/sysinfo.h> #include <ctype.h> -#include <utmp.h> +#include <limits.h> +#define UT_NAMESIZE LOGIN_NAME_MAX #include <time.h> #include <unistd.h> #include <pwd.h>