Re: [GIT PULL 00/20] perf/core improvements

[Namhyung Kim]

Hi, Ingo

On Wed, 20 Jun 2012 16:49:02 +0200, Ingo Molnar wrote:
> Well, 'make' should notice that they are stale or should 
> regenerate them all the time.
>

Could you check the patch below does it?


diff --git a/tools/lib/traceevent/Makefile b/tools/lib/traceevent/Makefile
index 3d69aa9ff51e..42f018e15f36 100644
--- a/tools/lib/traceevent/Makefile
+++ b/tools/lib/traceevent/Makefile
@@ -250,8 +250,12 @@ endef
 all_objs := $(sort $(ALL_OBJS))
 all_deps := $(all_objs:%.o=.%.d)
 
+# let .d file also depends on the source and header files
 define check_deps
-               $(CC) -M $(CFLAGS) $< > $@;
+               @set -e; $(RM) $@; \
+               $(CC) -M $(CFLAGS) $< > $@.$$$$; \
+               sed 's,\($*\)\.o[ :]*,\1.o $@ : ,g' < $@.$$$$ > $@; \
+               $(RM) $@.$$$$
 endef
 
 $(gui_deps): ks_version.h
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