[PATCH] perf: fix build error

[Kirill A. Shutemov]

Bison 2.6 started to generate parse_events_parse() declaration in
header. In this case we have redundant redeclaration:

util/parse-events.c:29:5: error: redundant redeclaration of âparse_events_parseâ [-Werror=redundant-decls]
In file included from util/parse-events.c:14:0:
util/parse-events-bison.h:99:5: note: previous declaration of âparse_events_parseâ was here
cc1: all warnings being treated as errors

Let's disable -Wredundant-decls for util/parse-events.c since it
includes header we can't control.

Signed-off-by: Kirill A. Shutemov <kirill@xxxxxxxxxxxxx>
---
 tools/perf/Makefile | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index 75d74e5..71c274f 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -803,6 +803,9 @@ $(OUTPUT)ui/browsers/map.o: ui/browsers/map.c $(OUTPUT)PERF-CFLAGS
 $(OUTPUT)util/rbtree.o: ../../lib/rbtree.c $(OUTPUT)PERF-CFLAGS
 	$(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -DETC_PERFCONFIG='"$(ETC_PERFCONFIG_SQ)"' $<
 
+$(OUTPUT)util/parse-events.o: $(OUTPUT)util/parse-events.c $(OUTPUT)PERF-CFLAGS
+	$(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -Wno-redundant-decls $<
+
 $(OUTPUT)util/scripting-engines/trace-event-perl.o: util/scripting-engines/trace-event-perl.c $(OUTPUT)PERF-CFLAGS
 	$(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) $(PERL_EMBED_CCOPTS) -Wno-redundant-decls -Wno-strict-prototypes -Wno-unused-parameter -Wno-shadow $<
 
-- 
 Kirill A. Shutemov
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