I notice that if Make virtually any of the SDK12 armgcc examples that I get a warning that 2 include folders do not exist
e.g.
../../config/ble_app_hrs_pca10028_s130
../../config
The code seems to compile OK and it also appears to run OK
But it would be better if the following lines
$(PROJ_DIR)/config/ble_app_hrs_pca10028_s130 \
$(PROJ_DIR)/config \
Were removed from the makefile as ideally there should not be any warnings when running Make