linux-kernel - Re: [PATCH] perf build: Fix libbabeltrace detection

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Date:	Tue, 10 Mar 2015 12:03:25 -0300
From:	Arnaldo Carvalho de Melo <acme@...hat.com>
To:	Jiri Olsa <jolsa@...hat.com>
Cc:	Jiri Olsa <jolsa@...nel.org>, linux-kernel@...r.kernel.org,
	Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
	David Ahern <dsahern@...il.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Jeremie Galarneau <jgalar@...icios.com>,
	Namhyung Kim <namhyung@...il.com>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Tom Zanussi <tzanussi@...il.com>,
	Wang Nan <wangnan0@...wei.com>
Subject: Re: [PATCH] perf build: Fix libbabeltrace detection

Em Tue, Mar 10, 2015 at 03:11:11PM +0100, Jiri Olsa escreveu:
> On Tue, Mar 10, 2015 at 11:01:34AM -0300, Arnaldo Carvalho de Melo wrote:
> > Em Tue, Mar 10, 2015 at 01:00:35PM +0100, Jiri Olsa escreveu:
> > > On Mon, Mar 09, 2015 at 08:28:45PM -0300, Arnaldo Carvalho de Melo wrote:
> > > > Em Mon, Mar 09, 2015 at 08:11:19PM -0300, Arnaldo Carvalho de Melo escreveu:
> > > +#include <babeltrace/ctf-ir/stream-class.h>

> > Right, that was the fix I found as well, well, I was trying to include
> > _just_ babeltrace/ctf-ir/stream-class.h, but that is buggy in that it
> > doesn't include the header file with the uint32_t and int64_t types:
> 
> yep, thats the 'libbabeltrace quirk' I mentioned in the changelog ;-)

:-)
 
> > +++ b/tools/perf/config/Makefile
> > @@ -184,7 +184,7 @@ endif
> >  
> >  feature_check = $(eval $(feature_check_code))
> >  define feature_check_code
> > -  feature-$(1) := $(shell $(MAKE) OUTPUT=$(OUTPUT_FEATURES) CFLAGS="$(EXTRA_CFLAGS) $(FEATURE_CHECK_CFLAGS-$(1))" LDFLAGS="$(LDFLAGS) $(FEATURE_CHECK_LDFLAGS-$(1))" -C config/feature-checks test-$1.bin >/dev/null 2>/dev/null && echo 1 ||
> > +  feature-$(1) := $(shell $(MAKE) OUTPUT=$(OUTPUT_FEATURES) CFLAGS="$(EXTRA_CFLAGS) $(FEATURE_CHECK_CFLAGS-$(1))" LDFLAGS="$(LDFLAGS) $(FEATURE_CHECK_LDFLAGS-$(1))" -C config/feature-checks test-$1.bin > $(OUTPUT_FEATURES)make-$(1) 2>&1 
> >  endef
> 
> ack, that seem usefull.. I always redirected this to '>> /tmp/krava'
> never got enough will to make it nice and generic ;-)

Ok, lemme do a stop-machine and collect all these fixes...

- Arnaldo
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