diff --git a/libraries/AP_Follow/AP_Follow.cpp b/libraries/AP_Follow/AP_Follow.cpp index 1ff89da524..0babdcba90 100644 --- a/libraries/AP_Follow/AP_Follow.cpp +++ b/libraries/AP_Follow/AP_Follow.cpp @@ -19,6 +19,7 @@ #include #include +#include extern const AP_HAL::HAL& hal;