Messages in this thread Patch in this message | | | From | Jiri Olsa <> | Subject | [PATCH 4/7] tools build: Move dependency copy into function | Date | Wed, 23 Sep 2015 12:33:59 +0200 |
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So it's easier to add more functionality in following commit.
Link: http://lkml.kernel.org/n/tip-zyle91hokwgwjpm6tjpx27k3@git.kernel.org Signed-off-by: Jiri Olsa <jolsa@kernel.org> --- tools/build/Build.include | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/tools/build/Build.include b/tools/build/Build.include index 4c8daaccb82a..851c420098e7 100644 --- a/tools/build/Build.include +++ b/tools/build/Build.include @@ -55,14 +55,19 @@ make-cmd = $(call escsq,$(subst \#,\\\#,$(subst $$,$$$$,$(cmd_$(1))))) 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 -- 2.4.3
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