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Commit 275e2d95 authored by Jiri Olsa's avatar Jiri Olsa Committed by Arnaldo Carvalho de Melo
Browse files

tools build: Move dependency copy into function 



So it's easier to add more functionality in the following commit.

Signed-off-by: default avatarJiri Olsa <jolsa@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1443004442-32660-5-git-send-email-jolsa@kernel.org


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 9f7ef985

tools/build/Build.include

+8 −3
Original line number Diff line number Diff line
@@ -54,15 +54,20 @@ make-cmd = $(call escsq,$(subst \#,\\\#,$(subst $$,$$$$,$(cmd_$(1))))) 
# PHONY targets skipped in both cases.

any-prereq = $(filter-out $(PHONY),$?) $(filter-out $(PHONY) $(wildcard $^),$^)



###

# Copy dependency data into .cmd file

#  - gcc -M dependency info

#  - command line to create object 'cmd_object :='

dep-cmd = cat $(depfile) >  $(dot-target).cmd; \

          printf '%s\n' 'cmd_$@ := $(make-cmd)' >> $(dot-target).cmd



###

# if_changed_dep  - execute command if any prerequisite is newer than

#                   target, or command line has changed and update

#                   dependencies in the cmd file

if_changed_dep = $(if $(strip $(any-prereq) $(arg-check)),         \

	@set -e;                                                   \

	$(echo-cmd) $(cmd_$(1));                                   \

	cat $(depfile) > $(dot-target).cmd;                        \

	printf '%s\n' 'cmd_$@ := $(make-cmd)' >> $(dot-target).cmd)

	$(echo-cmd) $(cmd_$(1)) && $(dep-cmd))



# if_changed      - execute command if any prerequisite is newer than

#                   target, or command line has changed