1 files changed, 9 insertions, 5 deletions

diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index 3b8f7b80376b..b98e3075646b 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -30,6 +30,8 @@ endif
 # Define EXTRA_CFLAGS=-m64 or EXTRA_CFLAGS=-m32 as appropriate for cross-builds.
 #
 # Define NO_DWARF if you do not want debug-info analysis feature at all.
+#
+# Define WERROR=0 to disable treating any warnings as errors.
 
 $(OUTPUT)PERF-VERSION-FILE: .FORCE-PERF-VERSION-FILE
         @$(SHELL_PATH) util/PERF-VERSION-GEN $(OUTPUT)
@@ -63,6 +65,11 @@ ifeq ($(ARCH),x86_64)
         endif
 endif
 
+# Treat warnings as errors unless directed not to
+ifneq ($(WERROR),0)
+        CFLAGS_WERROR := -Werror
+endif
+
 #
 # Include saner warnings here, which can catch bugs:
 #
@@ -95,7 +102,7 @@ ifndef PERF_DEBUG
   CFLAGS_OPTIMIZE = -O6
 endif
 
-CFLAGS = -fno-omit-frame-pointer -ggdb3 -Wall -Wextra -std=gnu99 -Werror $(CFLAGS_OPTIMIZE) -D_FORTIFY_SOURCE=2 $(EXTRA_WARNINGS) $(EXTRA_CFLAGS)
+CFLAGS = -fno-omit-frame-pointer -ggdb3 -Wall -Wextra -std=gnu99 $(CFLAGS_WERROR) $(CFLAGS_OPTIMIZE) -D_FORTIFY_SOURCE=2 $(EXTRA_WARNINGS) $(EXTRA_CFLAGS)
 EXTLIBS = -lpthread -lrt -lelf -lm
 ALL_CFLAGS = $(CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
 ALL_LDFLAGS = $(LDFLAGS)
@@ -459,13 +466,13 @@ else
                 LIB_OBJS += $(OUTPUT)util/ui/browsers/annotate.o
                 LIB_OBJS += $(OUTPUT)util/ui/browsers/hists.o
                 LIB_OBJS += $(OUTPUT)util/ui/browsers/map.o
-                LIB_OBJS += $(OUTPUT)util/ui/browsers/top.o
                 LIB_OBJS += $(OUTPUT)util/ui/helpline.o
                 LIB_OBJS += $(OUTPUT)util/ui/progress.o
                 LIB_OBJS += $(OUTPUT)util/ui/util.o
                 LIB_H += util/ui/browser.h
                 LIB_H += util/ui/browsers/map.h
                 LIB_H += util/ui/helpline.h
+                LIB_H += util/ui/keysyms.h
                 LIB_H += util/ui/libslang.h
                 LIB_H += util/ui/progress.h
                 LIB_H += util/ui/util.h
@@ -722,9 +729,6 @@ $(OUTPUT)util/ui/browser.o: util/ui/browser.c $(OUTPUT)PERF-CFLAGS
 $(OUTPUT)util/ui/browsers/annotate.o: util/ui/browsers/annotate.c $(OUTPUT)PERF-CFLAGS
         $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -DENABLE_SLFUTURE_CONST $<
 
-$(OUTPUT)util/ui/browsers/top.o: util/ui/browsers/top.c $(OUTPUT)PERF-CFLAGS
-        $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -DENABLE_SLFUTURE_CONST $<
-
 $(OUTPUT)util/ui/browsers/hists.o: util/ui/browsers/hists.c $(OUTPUT)PERF-CFLAGS
         $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -DENABLE_SLFUTURE_CONST $<