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

[Ingo Molnar <mingo@kernel.org>]

* Namhyung Kim <namhyung@kernel.org> wrote:

> 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

Yeah, something like this should do the trick.

Thanks,

	Ingo