1. wodz@skatol:~/rockbox/build$ make clean
  2. Cleaning build directory
  3. wodz@skatol:~/rockbox/build$ make
  4. Generating dependencies
  5. CC firmware/common/ctype.c
  6. PP features.txt
  7. CC lang_core.c
  8. make: *** No rule to make target `/home/wodz/rockbox/build/viewport.h', needed by `/home/wodz/rockbox/build/apps/action.o'. Stop.