Re: [PATCH] perf tools: Fix build with older versions of bison.

From: Li Zefan <lizefan@huawei.com>
To: Vinson Lee <vlee@twitter.com>,
	Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>,
	Paul Mackerras <paulus@samba.org>, Ingo Molnar <mingo@redhat.com>,
	Jiri Olsa <jolsa@redhat.com>, Namhyung Kim <namhyung@gmail.com>,
	Pekka Enberg <penberg@kernel.org>, <linux-kernel@vger.kernel.org>,
	<stable@vger.kernel.org>
Subject: Re: [PATCH] perf tools: Fix build with older versions of bison.
Date: Tue, 22 Jan 2013 10:47:24 +0800	[thread overview]
Message-ID: <50FDFDBC.7000006@huawei.com> (raw)
In-Reply-To: <1352843407-30618-1-git-send-email-vlee@twitter.com>

I encountered this build error, and found this patch, but it has been
ignored?

On 2012/11/14 5:50, Vinson Lee wrote:
> This patch fixes this build error with older versions of bison.
> 
>     CC util/sysfs.o
>     BISON util/pmu-bison.c
> util/pmu.y:2.14-24: syntax error, unexpected string, expecting =
> make: *** [util/pmu-bison.c] Error 1
> 
> Signed-off-by: Vinson Lee <vlee@twitter.com>
> Cc: stable@vger.kernel.org # 3.4+
> ---
>  tools/perf/Makefile            |    4 ++--
>  tools/perf/util/parse-events.y |    1 -
>  tools/perf/util/pmu.y          |    1 -
>  3 files changed, 2 insertions(+), 4 deletions(-)
> 
> diff --git a/tools/perf/Makefile b/tools/perf/Makefile
> index 00deed4..c2fb5bc 100644
> --- a/tools/perf/Makefile
> +++ b/tools/perf/Makefile
> @@ -241,13 +241,13 @@ $(OUTPUT)util/parse-events-flex.c: util/parse-events.l $(OUTPUT)util/parse-event
>  	$(QUIET_FLEX)$(FLEX) --header-file=$(OUTPUT)util/parse-events-flex.h $(PARSER_DEBUG_FLEX) -t util/parse-events.l > $(OUTPUT)util/parse-events-flex.c
>  
>  $(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
> +	$(QUIET_BISON)$(BISON) -v util/parse-events.y -d $(PARSER_DEBUG_BISON) -o $(OUTPUT)util/parse-events-bison.c -p parse_events_
>  
>  $(OUTPUT)util/pmu-flex.c: util/pmu.l $(OUTPUT)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
> -	$(QUIET_BISON)$(BISON) -v util/pmu.y -d -o $(OUTPUT)util/pmu-bison.c
> +	$(QUIET_BISON)$(BISON) -v util/pmu.y -d -o $(OUTPUT)util/pmu-bison.c -p perf_pmu_
>  
>  $(OUTPUT)util/parse-events.o: $(OUTPUT)util/parse-events-flex.c $(OUTPUT)util/parse-events-bison.c
>  $(OUTPUT)util/pmu.o: $(OUTPUT)util/pmu-flex.c $(OUTPUT)util/pmu-bison.c
> diff --git a/tools/perf/util/parse-events.y b/tools/perf/util/parse-events.y
> index cd88209..85cdaed 100644
> --- a/tools/perf/util/parse-events.y
> +++ b/tools/perf/util/parse-events.y
> @@ -1,5 +1,4 @@
>  %pure-parser
> -%name-prefix "parse_events_"
>  %parse-param {void *_data}
>  %parse-param {void *scanner}
>  %lex-param {void* scanner}
> diff --git a/tools/perf/util/pmu.y b/tools/perf/util/pmu.y
> index ec89804..bfd7e85 100644
> --- a/tools/perf/util/pmu.y
> +++ b/tools/perf/util/pmu.y
> @@ -1,5 +1,4 @@
>  
> -%name-prefix "perf_pmu_"
>  %parse-param {struct list_head *format}
>  %parse-param {char *name}
>  
> 