diff -uprN a/linux_spi.c b/linux_spi.c --- a/flash.h 2015-02-08 16:57:52.000000000 -0500 +++ b/flash.h 2016-01-08 20:09:51.599387507 -0500 @@ -30,6 +30,7 @@ #include <stdio.h> #include <stdint.h> #include <stddef.h> +#include <sys/io.h> #include <stdbool.h> #if IS_WINDOWS #include <windows.h>
