diff -Naur msr-old/msr.c msr-20060208/msr.c --- msr-old/msr.c 1969-12-31 21:00:01.000000000 -0300 +++ msr-20060208/msr.c 2021-11-02 21:19:34.576722617 -0300 @@ -19,6 +19,7 @@ #include <stdio.h> #include <sys/types.h> #include <sys/stat.h> +#include <sys/sysmacros.h> #include <fcntl.h> #include <errno.h> #include <unistd.h>