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tools build: Move dependency copy into function

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

Signed-off-by: Jiri 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: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa 2015-09-23 12:33:59 +02:00 committed by Arnaldo Carvalho de Melo
parent 9f7ef9854e
commit 275e2d9559
1 changed files with 8 additions and 3 deletions
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11
tools/build/Build.include
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@ -54,15 +54,20 @@ make-cmd = $(call escsq,$(subst \#,\\\#,$(subst $$,$$$$,$(cmd_$(1)))))
# PHONY targets skipped in both cases. # PHONY targets skipped in both cases.
any-prereq = $(filter-out $(PHONY),$?) $(filter-out $(PHONY) $(wildcard $^),$^) 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 # if_changed_dep - execute command if any prerequisite is newer than
# target, or command line has changed and update # target, or command line has changed and update
# dependencies in the cmd file # dependencies in the cmd file
if_changed_dep = $(if $(strip $(any-prereq) $(arg-check)), \ if_changed_dep = $(if $(strip $(any-prereq) $(arg-check)), \
@set -e; \ @set -e; \
$(echo-cmd) $(cmd_$(1)); \ $(echo-cmd) $(cmd_$(1)) && $(dep-cmd))
cat $(depfile) > $(dot-target).cmd; \
printf '%s\n' 'cmd_$@ := $(make-cmd)' >> $(dot-target).cmd)
# if_changed - execute command if any prerequisite is newer than # if_changed - execute command if any prerequisite is newer than
# target, or command line has changed # target, or command line has changed