Hello 
When I try to compile on Ubuntu 14.03 the example sketch GPS_AUTO_test:
I get following error:
// BUILDROOT=/tmp/GPS_AUTO_test.build HAL_BOARD=HAL_BOARD_AVR_SITL HAL_BOARD_SUBTYPE=HAL_BOARD_SUBTYPE_NONE TOOLCHAIN=NATIVE EXTRAFLAGS=-DGIT_VERSION="03373d35"
building /tmp/GPS_AUTO_test.build/GPS_AUTO_test.cpp
%% GPS_AUTO_test.cpp
%% GPS_AUTO_test.o
In file included from /home/lm/progs/apm/ardupilot/ardupilot/libraries/AP_GPS/examples/GPS_AUTO_test/GPS_AUTO_test.pde:32:0:
/home/lm/progs/apm/ardupilot/ardupilot/libraries/AP_Terrain/AP_Terrain.h:35:22: fatal error: AP_Rally.h: No such file or directory
#include <AP_Rally.h>
^
compilation terminated.
make: *** [/tmp/GPS_AUTO_test.build/GPS_AUTO_test.o] Error 1
I can not find any information on wiki about this error. Thank you for any help!