Re: [PATCH] perf: Fix version when building out of tree

[Ingo Molnar]

* David Ahern <dsahern@xxxxxxxxx> wrote:

> On 11/5/13, 10:36 PM, Ingo Molnar wrote:
> >I think you could avoid the 'short' complication altogether by doing
> >something like this:
> >
> >>+elif test -f ../../PERF-VERSION-FILE
> >>+then
> >>+	TAG=$(cut -d' ' -f3 ../../PERF-VERSION-FILE)
> >
> >That extracts 'TAG' as a true sha1 and makes GVF correct on out of tree
> >builds as well.
> 
> Certainly. I was trying to make PERF-VERSION-FILE readable as a 
> standalone file -- a better version descriptor than HEAD file.

Do you mean that instead of:

  comet:~/tip/tools/perf> cat PERF-VERSION-FILE 
  #define PERF_VERSION "3.12.g953bfb"

we should put a plain version into it? (the 'short' form you introduced 
earlier)

And then this:

  Makefile.perf:  $(QUIET_CC)$(CC) -include $(OUTPUT)PERF-VERSION-FILE \

Could be replaced with:

  Makefile.perf:  $(QUIET_CC)$(CC) -D $(shell cat $(OUTPUT)PERF-VERSION-FILE) \

or so?

Thanks,

	Ingo
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