[ 3.5.y.z extended stable ] Patch "perf tools: Fix build with bison 2.3 and older." has been added to staging queue

Luis Henriques luis.henriques at canonical.com
Tue Feb 26 16:14:29 UTC 2013

This is a note to let you know that I have just added a patch titled

    perf tools: Fix build with bison 2.3 and older.

to the linux-3.5.y-queue branch of the 3.5.y.z extended stable tree 
which can be found at:


If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.5.y.z tree, see



>From d071c7efd103c4c42d9fe091377e67ce2762d788 Mon Sep 17 00:00:00 2001
From: Vinson Lee <vlee at twitter.com>
Date: Wed, 13 Feb 2013 13:48:58 -0800
Subject: [PATCH] perf tools: Fix build with bison 2.3 and older.

commit 85df3b3769222894e9692b383c7af124b7721086 upstream.

The %name-prefix "prefix" syntax is not available on bison 2.3 and
older. Substitute with the -p "prefix" command-line option for
compatibility with older versions of bison.

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 at twitter.com>
Tested-by: Li Zefan <lizefan at huawei.com>
Cc: Ingo Molnar <mingo at redhat.com>
Cc: Jiri Olsa <jolsa at redhat.com>
Cc: Li Zefan <lizefan at huawei.com>
Cc: Namhyung Kim <namhyung at gmail.com>
Cc: Paul Mackerras <paulus at samba.org>
Cc: Pekka Enberg <penberg at kernel.org>
Link: http://lkml.kernel.org/r/1360792138-29186-1-git-send-email-vlee@twitter.com
Signed-off-by: Arnaldo Carvalho de Melo <acme at redhat.com>
[ luis: adjust context ]
Signed-off-by: Luis Henriques <luis.henriques at canonical.com>
 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 e21f414..7bc7233 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -225,13 +225,13 @@ $(OUTPUT)util/parse-events-flex.c: util/parse-events.l
 	$(QUIET_FLEX)$(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
 	$(QUIET_FLEX)$(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 362cc59..14a42b8 100644
--- a/tools/perf/util/parse-events.y
+++ b/tools/perf/util/parse-events.y
@@ -1,5 +1,4 @@

-%name-prefix "parse_events_"
 %parse-param {struct list_head *list_all}
 %parse-param {int *idx}

diff --git a/tools/perf/util/pmu.y b/tools/perf/util/pmu.y
index 20ea77e..522943f 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}


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