[PATCH 08/39] tools build: Move dependency copy into function
From: Arnaldo Carvalho de Melo
Date: Mon Sep 28 2015 - 17:08:42 EST
From: Jiri Olsa <jolsa@xxxxxxxxxx>
So it's easier to add more functionality in the following commit.
Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Link: http://lkml.kernel.org/r/1443004442-32660-5-git-send-email-jolsa@xxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
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
--
2.1.0
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