perf tools: Fix build with bison 2.3 and older.

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@twitter.com>
Tested-by: Li Zefan <lizefan@huawei.com>
Cc: stable@vger.kernel.org # 3.4+
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Li Zefan <lizefan@huawei.com>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Pekka Enberg <penberg@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@redhat.com>

diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index b90528d42b039b58930313e5bbbb856f58c3ef08..a2108ca1cc17ad02e331aa02adf1870cc56a07ba 100644 (file)
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -296,13 +296,13 @@ $(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 4de2fdca98c8481d6c254151acd5cf5aa2de0600..afc44c18dfe17b054fe01e10c779dbe747373558 100644 (file)
--- 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 ec898047ebb92869a6487405ec0de525b0d4acde..bfd7e8509869b64b53fbcbcddafe89a4a73b93b3 100644 (file)
--- 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}