diff -Naur u-boot-2015.10.orig/tools/env/fw_env.c u-boot-2015.10/tools/env/fw_env.c --- u-boot-2015.10.orig/tools/env/fw_env.c 2016-06-24 12:42:31.152391850 +0200 +++ u-boot-2015.10/tools/env/fw_env.c 2016-06-24 12:42:59.080391754 +0200 @@ -21,7 +21,8 @@ #include <sys/types.h> #include <sys/ioctl.h> #include <sys/stat.h> -#include <unistd.h> +#include <unistd.h> +#include <stdint.h> #ifdef MTD_OLD # include <stdint.h>