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| author |   Jiri Olsa <jolsa@kernel.org> | 2015-09-23 12:33:59 +0200 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2015-09-28 15:50:55 -0300 |
| commit | 275e2d95591e2714d6b541d4e26959381d6b2705 (patch) | |
| tree | 5f2aea548b93575f93175d07ea69c184c9f52a94 /tools/build | |
| parent | tools build: Add fixdep dependency helper (diff) | |
| download | linux-dev-275e2d95591e2714d6b541d4e26959381d6b2705.tar.xz linux-dev-275e2d95591e2714d6b541d4e26959381d6b2705.zip | |
tools build: Move dependency copy into function
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>
Diffstat (limited to 'tools/build')
| -rw-r--r-- | tools/build/Build.include | 11 |
1 files 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 |