build/scripts/Kbuild.include

11 # Name of target with a '.' as filename prefix. foo/bar.o => foo/.bar.o
12 dot-target = $(dir $@).$(notdir $@)
17 depfile = $(subst $(comma),_,$(dot-target).d)
20 # filename of target with directory and extension stripped
189 #                   target, or command line has changed
210 # Find any prerequisites that is newer than target or that does not exist.
219 	echo 'cmd_$@ := $(make-cmd)' > $(dot-target).cmd)
225 	scripts/basic/fixdep $(depfile) $@ '$(make-cmd)' > $(dot-target).tmp;\
227 	mv -f $(dot-target).tmp $(dot-target).cmd)
237 # why - tell why a a target got build
240 #          (1) - due to target is PHONY
241 #          (2) - due to target missing
245 #          (6) - due to target not in $(targets)
247 # (2) No target, so we better build it
248 # (3) Prerequisite is newer than target
249 # (4) The command line stored in the file named dir/.target.cmd
252 # (5) No dir/.target.cmd file (used to store command line)
253 # (6) No dir/.target.cmd file and target not listed in $(targets)
257     $(if $(filter $@, $(PHONY)),- due to target is PHONY,                    \
269              - due to target missing                                         \