Hi Eric, On Thu, 20 Sep 2012 18:53:01 -0500, Eric Sandeen wrote: > Parallel builds of perf were failing for me on a 32p box, with: > > * new build flags or prefix > util/pmu.l:7:23: error: pmu-bison.h: No such file or directory > > ... > > make: *** [util/pmu-flex.o] Error 1 > make: *** Waiting for unfinished jobs.... > > This can pretty quickly be seen by adding a sleep in front of > the bison call in tools/perf/Makefile and running make -j4 on a > smaller box: > > sleep 10; $(QUIET_BISON)$(BISON) -v util/pmu.y -d -o > $(OUTPUT)util/pmu-bison.c > > Adding the following dependency fixes it for me: > > Signed-off-by: Eric Sandeen <sand...@redhat.com> > --- > > diff --git a/tools/perf/Makefile b/tools/perf/Makefile > index bad726a..6c389d9 100644 > --- a/tools/perf/Makefile > +++ b/tools/perf/Makefile > @@ -219,7 +219,7 @@ $(OUTPUT)util/parse-events-flex.c: util/parse-events.l > $(OUTPUT)util/parse-events-bison.c: util/parse-events.y > $(QUIET_BISON)$(BISON) -v util/parse-events.y -d $(PARSER_DEBUG_BISON) > -o $(OUTPUT)util/parse-events-bison.c > > -$(OUTPUT)util/pmu-flex.c: util/pmu.l > +$(OUTPUT)util/pmu-flex.c: util/pmu.l util/pmu-bison.c > $(QUIET_FLEX)$(FLEX) --header-file=$(OUTPUT)util/pmu-flex.h -t > util/pmu.l > $(OUTPUT)util/pmu-flex.c > > $(OUTPUT)util/pmu-bison.c: util/pmu.y
I guess the $(OUTPUT)util/parse-events-flex.c: line has the same problem. Could you check and submit a patch for that too? Thanks, Namhyung -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
