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Message-Id: <1369929699-8724-60-git-send-email-acme@infradead.org>
Date:	Thu, 30 May 2013 19:01:32 +0300
From:	Arnaldo Carvalho de Melo <acme@...radead.org>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	linux-kernel@...r.kernel.org, Jiri Olsa <jolsa@...hat.com>,
	Borislav Petkov <bp@...en8.de>,
	Corey Ashford <cjashfor@...ux.vnet.ibm.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Namhyung Kim <namhyung@...nel.org>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Sam Ravnborg <sam@...nborg.org>,
	Stephane Eranian <eranian@...gle.com>,
	Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [PATCH 59/66] perf tools: Merge all *CFLAGS* make variable into CFLAGS

From: Jiri Olsa <jolsa@...hat.com>

Merging all *CFLAGS* make variable into CFLAGS to eliminate all special
*_CFLAGS_* variables and make the setup clear.

Signed-off-by: Jiri Olsa <jolsa@...hat.com>
Cc: Borislav Petkov <bp@...en8.de>
Cc: Corey Ashford <cjashfor@...ux.vnet.ibm.com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Ingo Molnar <mingo@...e.hu>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Sam Ravnborg <sam@...nborg.org>
Cc: Stephane Eranian <eranian@...gle.com>
Link: http://lkml.kernel.org/r/1369398928-9809-19-git-send-email-jolsa@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/Makefile        |  64 ++++++++++++++--------------
 tools/perf/config/Makefile | 104 ++++++++++++++++++++++++---------------------
 tools/perf/util/setup.py   |   5 ++-
 3 files changed, 89 insertions(+), 84 deletions(-)

diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index 74fdd2b..58275f2 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -148,7 +148,7 @@ PYTHON_EXT_SRCS := $(shell grep -v ^\# util/python-ext-sources)
 PYTHON_EXT_DEPS := util/python-ext-sources util/setup.py $(LIBTRACEEVENT)
 
 $(OUTPUT)python/perf.so: $(PYTHON_EXT_SRCS) $(PYTHON_EXT_DEPS)
-	$(QUIET_GEN)CFLAGS='$(BASIC_CFLAGS)' $(PYTHON_WORD) util/setup.py \
+	$(QUIET_GEN)CFLAGS='$(CFLAGS)' $(PYTHON_WORD) util/setup.py \
 	  --quiet build_ext; \
 	mkdir -p $(OUTPUT)python && \
 	cp $(PYTHON_EXTBUILD_LIB)perf.so $(OUTPUT)python/
@@ -429,7 +429,7 @@ PERFLIBS = $(LIB_FILE) $(LIBLK) $(LIBTRACEEVENT)
 -include arch/$(ARCH)/Makefile
 
 ifneq ($(OUTPUT),)
-	BASIC_CFLAGS += -I$(OUTPUT)
+	CFLAGS += -I$(OUTPUT)
 endif
 
 ifdef NO_LIBELF
@@ -513,8 +513,6 @@ endif
 
 LIBS = -Wl,--whole-archive $(PERFLIBS) -Wl,--no-whole-archive -Wl,--start-group $(EXTLIBS) -Wl,--end-group
 
-ALL_CFLAGS += $(BASIC_CFLAGS)
-ALL_CFLAGS += $(ARCH_CFLAGS)
 ALL_LDFLAGS += $(BASIC_LDFLAGS)
 
 export INSTALL SHELL_PATH
@@ -536,20 +534,20 @@ strip: $(PROGRAMS) $(OUTPUT)perf
 $(OUTPUT)perf.o: perf.c $(OUTPUT)common-cmds.h $(OUTPUT)PERF-CFLAGS
 	$(QUIET_CC)$(CC) -include $(OUTPUT)PERF-VERSION-FILE \
 		'-DPERF_HTML_PATH="$(htmldir_SQ)"' \
-		$(ALL_CFLAGS) -c $(filter %.c,$^) -o $@
+		$(CFLAGS) -c $(filter %.c,$^) -o $@
 
 $(OUTPUT)perf: $(OUTPUT)perf.o $(BUILTIN_OBJS) $(PERFLIBS)
-	$(QUIET_LINK)$(CC) $(ALL_CFLAGS) $(ALL_LDFLAGS) $(OUTPUT)perf.o \
+	$(QUIET_LINK)$(CC) $(CFLAGS) $(ALL_LDFLAGS) $(OUTPUT)perf.o \
                $(BUILTIN_OBJS) $(LIBS) -o $@
 
 $(OUTPUT)builtin-help.o: builtin-help.c $(OUTPUT)common-cmds.h $(OUTPUT)PERF-CFLAGS
-	$(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) \
+	$(QUIET_CC)$(CC) -o $@ -c $(CFLAGS) \
 		'-DPERF_HTML_PATH="$(htmldir_SQ)"' \
 		'-DPERF_MAN_PATH="$(mandir_SQ)"' \
 		'-DPERF_INFO_PATH="$(infodir_SQ)"' $<
 
 $(OUTPUT)builtin-timechart.o: builtin-timechart.c $(OUTPUT)common-cmds.h $(OUTPUT)PERF-CFLAGS
-	$(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) \
+	$(QUIET_CC)$(CC) -o $@ -c $(CFLAGS) \
 		'-DPERF_HTML_PATH="$(htmldir_SQ)"' \
 		'-DPERF_MAN_PATH="$(mandir_SQ)"' \
 		'-DPERF_INFO_PATH="$(infodir_SQ)"' $<
@@ -574,77 +572,77 @@ $(OUTPUT)perf.o perf.spec \
 # over the general rule for .o
 
 $(OUTPUT)util/%-flex.o: $(OUTPUT)util/%-flex.c $(OUTPUT)PERF-CFLAGS
-	$(QUIET_CC)$(CC) -o $@ -c -Iutil/ $(ALL_CFLAGS) -w $<
+	$(QUIET_CC)$(CC) -o $@ -c -Iutil/ $(CFLAGS) -w $<
 
 $(OUTPUT)util/%-bison.o: $(OUTPUT)util/%-bison.c $(OUTPUT)PERF-CFLAGS
-	$(QUIET_CC)$(CC) -o $@ -c -Iutil/ $(ALL_CFLAGS) -DYYENABLE_NLS=0 -DYYLTYPE_IS_TRIVIAL=0 -w $<
+	$(QUIET_CC)$(CC) -o $@ -c -Iutil/ $(CFLAGS) -DYYENABLE_NLS=0 -DYYLTYPE_IS_TRIVIAL=0 -w $<
 
 $(OUTPUT)%.o: %.c $(OUTPUT)PERF-CFLAGS
-	$(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) $<
+	$(QUIET_CC)$(CC) -o $@ -c $(CFLAGS) $<
 $(OUTPUT)%.i: %.c $(OUTPUT)PERF-CFLAGS
-	$(QUIET_CC)$(CC) -o $@ -E $(ALL_CFLAGS) $<
+	$(QUIET_CC)$(CC) -o $@ -E $(CFLAGS) $<
 $(OUTPUT)%.s: %.c $(OUTPUT)PERF-CFLAGS
-	$(QUIET_CC)$(CC) -o $@ -S $(ALL_CFLAGS) $<
+	$(QUIET_CC)$(CC) -o $@ -S $(CFLAGS) $<
 $(OUTPUT)%.o: %.S
-	$(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) $<
+	$(QUIET_CC)$(CC) -o $@ -c $(CFLAGS) $<
 $(OUTPUT)%.s: %.S
-	$(QUIET_CC)$(CC) -o $@ -E $(ALL_CFLAGS) $<
+	$(QUIET_CC)$(CC) -o $@ -E $(CFLAGS) $<
 
 $(OUTPUT)util/exec_cmd.o: util/exec_cmd.c $(OUTPUT)PERF-CFLAGS
-	$(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) \
+	$(QUIET_CC)$(CC) -o $@ -c $(CFLAGS) \
 		'-DPERF_EXEC_PATH="$(perfexecdir_SQ)"' \
 		'-DPREFIX="$(prefix_SQ)"' \
 		$<
 
 $(OUTPUT)tests/attr.o: tests/attr.c $(OUTPUT)PERF-CFLAGS
-	$(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) \
+	$(QUIET_CC)$(CC) -o $@ -c $(CFLAGS) \
 		'-DBINDIR="$(bindir_SQ)"' -DPYTHON='"$(PYTHON_WORD)"' \
 		$<
 
 $(OUTPUT)tests/python-use.o: tests/python-use.c $(OUTPUT)PERF-CFLAGS
-	$(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) \
+	$(QUIET_CC)$(CC) -o $@ -c $(CFLAGS) \
 		-DPYTHONPATH='"$(OUTPUT)python"' \
 		-DPYTHON='"$(PYTHON_WORD)"' \
 		$<
 
 $(OUTPUT)util/config.o: util/config.c $(OUTPUT)PERF-CFLAGS
-	$(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -DETC_PERFCONFIG='"$(ETC_PERFCONFIG_SQ)"' $<
+	$(QUIET_CC)$(CC) -o $@ -c $(CFLAGS) -DETC_PERFCONFIG='"$(ETC_PERFCONFIG_SQ)"' $<
 
 $(OUTPUT)ui/browser.o: ui/browser.c $(OUTPUT)PERF-CFLAGS
-	$(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -DENABLE_SLFUTURE_CONST $<
+	$(QUIET_CC)$(CC) -o $@ -c $(CFLAGS) -DENABLE_SLFUTURE_CONST $<
 
 $(OUTPUT)ui/browsers/annotate.o: ui/browsers/annotate.c $(OUTPUT)PERF-CFLAGS
-	$(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -DENABLE_SLFUTURE_CONST $<
+	$(QUIET_CC)$(CC) -o $@ -c $(CFLAGS) -DENABLE_SLFUTURE_CONST $<
 
 $(OUTPUT)ui/browsers/hists.o: ui/browsers/hists.c $(OUTPUT)PERF-CFLAGS
-	$(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -DENABLE_SLFUTURE_CONST $<
+	$(QUIET_CC)$(CC) -o $@ -c $(CFLAGS) -DENABLE_SLFUTURE_CONST $<
 
 $(OUTPUT)ui/browsers/map.o: ui/browsers/map.c $(OUTPUT)PERF-CFLAGS
-	$(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -DENABLE_SLFUTURE_CONST $<
+	$(QUIET_CC)$(CC) -o $@ -c $(CFLAGS) -DENABLE_SLFUTURE_CONST $<
 
 $(OUTPUT)ui/browsers/scripts.o: ui/browsers/scripts.c $(OUTPUT)PERF-CFLAGS
-	$(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -DENABLE_SLFUTURE_CONST $<
+	$(QUIET_CC)$(CC) -o $@ -c $(CFLAGS) -DENABLE_SLFUTURE_CONST $<
 
 $(OUTPUT)util/rbtree.o: ../../lib/rbtree.c $(OUTPUT)PERF-CFLAGS
-	$(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -Wno-unused-parameter -DETC_PERFCONFIG='"$(ETC_PERFCONFIG_SQ)"' $<
+	$(QUIET_CC)$(CC) -o $@ -c $(CFLAGS) -Wno-unused-parameter -DETC_PERFCONFIG='"$(ETC_PERFCONFIG_SQ)"' $<
 
 $(OUTPUT)util/parse-events.o: util/parse-events.c $(OUTPUT)PERF-CFLAGS
-	$(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -Wno-redundant-decls $<
+	$(QUIET_CC)$(CC) -o $@ -c $(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 $<
+	$(QUIET_CC)$(CC) -o $@ -c $(CFLAGS) $(PERL_EMBED_CCOPTS) -Wno-redundant-decls -Wno-strict-prototypes -Wno-unused-parameter -Wno-shadow $<
 
 $(OUTPUT)scripts/perl/Perf-Trace-Util/Context.o: scripts/perl/Perf-Trace-Util/Context.c $(OUTPUT)PERF-CFLAGS
-	$(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) $(PERL_EMBED_CCOPTS) -Wno-redundant-decls -Wno-strict-prototypes -Wno-unused-parameter -Wno-nested-externs $<
+	$(QUIET_CC)$(CC) -o $@ -c $(CFLAGS) $(PERL_EMBED_CCOPTS) -Wno-redundant-decls -Wno-strict-prototypes -Wno-unused-parameter -Wno-nested-externs $<
 
 $(OUTPUT)util/scripting-engines/trace-event-python.o: util/scripting-engines/trace-event-python.c $(OUTPUT)PERF-CFLAGS
-	$(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) $(PYTHON_EMBED_CCOPTS) -Wno-redundant-decls -Wno-strict-prototypes -Wno-unused-parameter -Wno-shadow $<
+	$(QUIET_CC)$(CC) -o $@ -c $(CFLAGS) $(PYTHON_EMBED_CCOPTS) -Wno-redundant-decls -Wno-strict-prototypes -Wno-unused-parameter -Wno-shadow $<
 
 $(OUTPUT)scripts/python/Perf-Trace-Util/Context.o: scripts/python/Perf-Trace-Util/Context.c $(OUTPUT)PERF-CFLAGS
-	$(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) $(PYTHON_EMBED_CCOPTS) -Wno-redundant-decls -Wno-strict-prototypes -Wno-unused-parameter -Wno-nested-externs $<
+	$(QUIET_CC)$(CC) -o $@ -c $(CFLAGS) $(PYTHON_EMBED_CCOPTS) -Wno-redundant-decls -Wno-strict-prototypes -Wno-unused-parameter -Wno-nested-externs $<
 
 $(OUTPUT)perf-%: %.o $(PERFLIBS)
-	$(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) $(LIBS)
+	$(QUIET_LINK)$(CC) $(CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) $(LIBS)
 
 $(LIB_OBJS) $(BUILTIN_OBJS): $(LIB_H)
 $(patsubst perf-%,%.o,$(PROGRAMS)): $(LIB_H) $(wildcard */*.h)
@@ -731,7 +729,7 @@ cscope:
 	$(FIND) . -name '*.[hcS]' -print | xargs cscope -b
 
 ### Detect prefix changes
-TRACK_CFLAGS = $(subst ','\'',$(ALL_CFLAGS)):\
+TRACK_CFLAGS = $(subst ','\'',$(CFLAGS)):\
              $(bindir_SQ):$(perfexecdir_SQ):$(template_dir_SQ):$(prefix_SQ)
 
 $(OUTPUT)PERF-CFLAGS: .FORCE-PERF-CFLAGS
@@ -752,7 +750,7 @@ check: $(OUTPUT)common-cmds.h
 	then \
 		for i in *.c */*.c; \
 		do \
-			sparse $(ALL_CFLAGS) $(SPARSE_FLAGS) $$i || exit; \
+			sparse $(CFLAGS) $(SPARSE_FLAGS) $$i || exit; \
 		done; \
 	else \
 		exit 1; \
diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
index 506c479..a53d2b3 100644
--- a/tools/perf/config/Makefile
+++ b/tools/perf/config/Makefile
@@ -6,6 +6,7 @@ ARCH ?= $(shell echo $(uname_M) | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ \
 				  -e s/ppc.*/powerpc/ -e s/mips.*/mips/ \
 				  -e s/sh[234].*/sh/ -e s/aarch64.*/arm64/ )
 NO_PERF_REGS := 1
+CFLAGS := $(EXTRA_CFLAGS) $(EXTRA_WARNINGS)
 
 # Additional ARCH settings for x86
 ifeq ($(ARCH),i386)
@@ -17,12 +18,12 @@ endif
 ifeq ($(ARCH),x86_64)
 	override ARCH := x86
 	IS_X86_64 := 0
-	ifeq (, $(findstring m32,$(EXTRA_CFLAGS)))
+	ifeq (, $(findstring m32,$(CFLAGS)))
 		IS_X86_64 := $(shell echo __x86_64__ | ${CC} -E -x c - | tail -n 1)
 	endif
 	ifeq (${IS_X86_64}, 1)
 		RAW_ARCH := x86_64
-		ARCH_CFLAGS := -DARCH_X86_64
+		CFLAGS += -DARCH_X86_64
 		ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
 	endif
 	NO_PERF_REGS := 0
@@ -30,7 +31,7 @@ ifeq ($(ARCH),x86_64)
 endif
 
 ifeq ($(NO_PERF_REGS),0)
-        BASIC_CFLAGS += -DHAVE_PERF_REGS
+        CFLAGS += -DHAVE_PERF_REGS
 endif
 
 -include config/feature-tests.mak
@@ -45,46 +46,52 @@ endif
 
 # Treat warnings as errors unless directed not to
 ifneq ($(WERROR),0)
-	CFLAGS_WERROR := -Werror
+	CFLAGS += -Werror
 endif
 
 ifeq ("$(origin DEBUG)", "command line")
 	PERF_DEBUG = $(DEBUG)
 endif
 ifndef PERF_DEBUG
-	CFLAGS_OPTIMIZE = -O6
+	CFLAGS += -O6
 endif
 
 ifdef PARSER_DEBUG
-	PARSER_DEBUG_BISON  := -t
-	PARSER_DEBUG_FLEX   := -d
-	PARSER_DEBUG_CFLAGS := -DPARSER_DEBUG
+	PARSER_DEBUG_BISON := -t
+	PARSER_DEBUG_FLEX  := -d
+	CFLAGS             += -DPARSER_DEBUG
 endif
 
-CFLAGS = -fno-omit-frame-pointer -ggdb3 -funwind-tables -Wall -Wextra -std=gnu99 $(CFLAGS_WERROR) $(CFLAGS_OPTIMIZE) $(EXTRA_WARNINGS) $(EXTRA_CFLAGS) $(PARSER_DEBUG_CFLAGS)
+CFLAGS += \
+	-fno-omit-frame-pointer \
+	-ggdb3 \
+	-funwind-tables \
+	-Wall \
+	-Wextra \
+	-std=gnu99
+
 EXTLIBS = -lpthread -lrt -lelf -lm
-ALL_CFLAGS = $(CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
 ALL_LDFLAGS = $(LDFLAGS)
 
 ifeq ($(call try-cc,$(SOURCE_HELLO),$(CFLAGS) -Werror -fstack-protector-all,-fstack-protector-all),y)
-	CFLAGS := $(CFLAGS) -fstack-protector-all
+	CFLAGS += -fstack-protector-all
 endif
 
 ifeq ($(call try-cc,$(SOURCE_HELLO),$(CFLAGS) -Werror -Wstack-protector,-Wstack-protector),y)
-	CFLAGS := $(CFLAGS) -Wstack-protector
+	CFLAGS += -Wstack-protector
 endif
 
 ifeq ($(call try-cc,$(SOURCE_HELLO),$(CFLAGS) -Werror -Wvolatile-register-var,-Wvolatile-register-var),y)
-	CFLAGS := $(CFLAGS) -Wvolatile-register-var
+	CFLAGS += -Wvolatile-register-var
 endif
 
 ifndef PERF_DEBUG
 	ifeq ($(call try-cc,$(SOURCE_HELLO),$(CFLAGS) -D_FORTIFY_SOURCE=2,-D_FORTIFY_SOURCE=2),y)
-		CFLAGS := $(CFLAGS) -D_FORTIFY_SOURCE=2
+		CFLAGS += -D_FORTIFY_SOURCE=2
 	endif
 endif
 
-BASIC_CFLAGS += \
+CFLAGS += \
 	-Iutil/include \
 	-Iarch/$(ARCH)/include \
 	$(if $(objtree),-I$(objtree)/arch/$(ARCH)/include/generated/uapi) \
@@ -106,7 +113,6 @@ ifeq ($(call try-cc,$(SOURCE_BIONIC),$(CFLAGS),bionic),y)
 	BIONIC := 1
 	EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
 	EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
-	BASIC_CFLAGS += -I.
 endif
 
 ifdef NO_LIBELF
@@ -114,9 +120,9 @@ ifdef NO_LIBELF
 	NO_DEMANGLE := 1
 	NO_LIBUNWIND := 1
 else
-FLAGS_LIBELF=$(ALL_CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS)
+FLAGS_LIBELF=$(CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS)
 ifneq ($(call try-cc,$(SOURCE_LIBELF),$(FLAGS_LIBELF),libelf),y)
-	FLAGS_GLIBC=$(ALL_CFLAGS) $(ALL_LDFLAGS)
+	FLAGS_GLIBC=$(CFLAGS) $(ALL_LDFLAGS)
 	ifeq ($(call try-cc,$(SOURCE_GLIBC),$(FLAGS_GLIBC),glibc),y)
 		LIBC_SUPPORT := 1
 	endif
@@ -140,7 +146,7 @@ else
 		LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
 	endif
 
-	FLAGS_DWARF=$(ALL_CFLAGS) $(LIBDW_CFLAGS) -ldw -lelf $(LIBDW_LDFLAGS) $(ALL_LDFLAGS) $(EXTLIBS)
+	FLAGS_DWARF=$(CFLAGS) $(LIBDW_CFLAGS) -ldw -lelf $(LIBDW_LDFLAGS) $(ALL_LDFLAGS) $(EXTLIBS)
 	ifneq ($(call try-cc,$(SOURCE_DWARF),$(FLAGS_DWARF),libdw),y)
 		msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
 		NO_DWARF := 1
@@ -149,10 +155,10 @@ endif # SOURCE_LIBELF
 endif # NO_LIBELF
 
 ifndef NO_LIBELF
-BASIC_CFLAGS += -DLIBELF_SUPPORT
-FLAGS_LIBELF=$(ALL_CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS)
+CFLAGS += -DLIBELF_SUPPORT
+FLAGS_LIBELF=$(CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS)
 ifeq ($(call try-cc,$(SOURCE_ELF_MMAP),$(FLAGS_LIBELF),-DLIBELF_MMAP),y)
-	BASIC_CFLAGS += -DLIBELF_MMAP
+	CFLAGS += -DLIBELF_MMAP
 endif
 
 # include ARCH specific config
@@ -163,7 +169,7 @@ ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
 	msg := $(warning DWARF register mappings have not been defined for architecture $(ARCH), DWARF support disabled);
 	NO_DWARF := 1
 else
-	BASIC_CFLAGS := -DDWARF_SUPPORT $(LIBDW_CFLAGS) $(BASIC_CFLAGS)
+	CFLAGS += -DDWARF_SUPPORT $(LIBDW_CFLAGS)
 	BASIC_LDFLAGS := $(LIBDW_LDFLAGS) $(BASIC_LDFLAGS)
 	EXTLIBS += -lelf -ldw
 endif # PERF_HAVE_DWARF_REGS
@@ -184,7 +190,7 @@ ifdef LIBUNWIND_DIR
 	LIBUNWIND_LDFLAGS := -L$(LIBUNWIND_DIR)/lib
 endif
 
-FLAGS_UNWIND=$(LIBUNWIND_CFLAGS) $(ALL_CFLAGS) $(LIBUNWIND_LDFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) $(LIBUNWIND_LIBS)
+FLAGS_UNWIND=$(LIBUNWIND_CFLAGS) $(CFLAGS) $(LIBUNWIND_LDFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) $(LIBUNWIND_LIBS)
 ifneq ($(call try-cc,$(SOURCE_LIBUNWIND),$(FLAGS_UNWIND),libunwind),y)
 	msg := $(warning No libunwind found, disabling post unwind support. Please install libunwind-dev[el] >= 0.99);
 	NO_LIBUNWIND := 1
@@ -192,19 +198,19 @@ endif # Libunwind support
 endif # NO_LIBUNWIND
 
 ifndef NO_LIBUNWIND
-	BASIC_CFLAGS += -DLIBUNWIND_SUPPORT
+	CFLAGS += -DLIBUNWIND_SUPPORT
 	EXTLIBS += $(LIBUNWIND_LIBS)
-	BASIC_CFLAGS := $(LIBUNWIND_CFLAGS) $(BASIC_CFLAGS)
+	CFLAGS += $(LIBUNWIND_CFLAGS)
 	BASIC_LDFLAGS := $(LIBUNWIND_LDFLAGS) $(BASIC_LDFLAGS)
 endif # NO_LIBUNWIND
 
 ifndef NO_LIBAUDIT
-	FLAGS_LIBAUDIT = $(ALL_CFLAGS) $(ALL_LDFLAGS) -laudit
+	FLAGS_LIBAUDIT = $(CFLAGS) $(ALL_LDFLAGS) -laudit
 	ifneq ($(call try-cc,$(SOURCE_LIBAUDIT),$(FLAGS_LIBAUDIT),libaudit),y)
 		msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
 		NO_LIBAUDIT := 1
 	else
-		BASIC_CFLAGS += -DLIBAUDIT_SUPPORT
+		CFLAGS += -DLIBAUDIT_SUPPORT
 		EXTLIBS += -laudit
 	endif
 endif
@@ -214,29 +220,29 @@ ifdef NO_NEWT
 endif
 
 ifndef NO_SLANG
-	FLAGS_SLANG=$(ALL_CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) -I/usr/include/slang -lslang
+	FLAGS_SLANG=$(CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) -I/usr/include/slang -lslang
 	ifneq ($(call try-cc,$(SOURCE_SLANG),$(FLAGS_SLANG),libslang),y)
 		msg := $(warning slang not found, disables TUI support. Please install slang-devel or libslang-dev);
 		NO_SLANG := 1
 	else
 		# Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
-		BASIC_CFLAGS += -I/usr/include/slang
-		BASIC_CFLAGS += -DSLANG_SUPPORT
+		CFLAGS += -I/usr/include/slang
+		CFLAGS += -DSLANG_SUPPORT
 		EXTLIBS += -lslang
 	endif
 endif
 
 ifndef NO_GTK2
-	FLAGS_GTK2=$(ALL_CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) $(shell pkg-config --libs --cflags gtk+-2.0 2>/dev/null)
+	FLAGS_GTK2=$(CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) $(shell pkg-config --libs --cflags gtk+-2.0 2>/dev/null)
 	ifneq ($(call try-cc,$(SOURCE_GTK2),$(FLAGS_GTK2),gtk2),y)
 		msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
 		NO_GTK2 := 1
 	else
 		ifeq ($(call try-cc,$(SOURCE_GTK2_INFOBAR),$(FLAGS_GTK2),-DHAVE_GTK_INFO_BAR),y)
-			BASIC_CFLAGS += -DHAVE_GTK_INFO_BAR
+			CFLAGS += -DHAVE_GTK_INFO_BAR
 		endif
-		BASIC_CFLAGS += -DGTK2_SUPPORT
-		BASIC_CFLAGS += $(shell pkg-config --cflags gtk+-2.0 2>/dev/null)
+		CFLAGS += -DGTK2_SUPPORT
+		CFLAGS += $(shell pkg-config --cflags gtk+-2.0 2>/dev/null)
 		EXTLIBS += $(shell pkg-config --libs gtk+-2.0 2>/dev/null)
 	endif
 endif
@@ -245,7 +251,7 @@ grep-libs  = $(filter -l%,$(1))
 strip-libs = $(filter-out -l%,$(1))
 
 ifdef NO_LIBPERL
-	BASIC_CFLAGS += -DNO_LIBPERL
+	CFLAGS += -DNO_LIBPERL
 else
 	PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
 	PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
@@ -254,7 +260,7 @@ else
 	FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
 
 	ifneq ($(call try-cc,$(SOURCE_PERL_EMBED),$(FLAGS_PERL_EMBED),perl),y)
-		BASIC_CFLAGS += -DNO_LIBPERL
+		CFLAGS += -DNO_LIBPERL
 		NO_LIBPERL := 1
 	else
 		ALL_LDFLAGS += $(PERL_EMBED_LDFLAGS)
@@ -264,7 +270,7 @@ endif
 
 disable-python = $(eval $(disable-python_code))
 define disable-python_code
-  BASIC_CFLAGS += -DNO_LIBPYTHON
+  CFLAGS += -DNO_LIBPYTHON
   $(if $(1),$(warning No $(1) was found))
   $(warning Python support will not be built)
   NO_LIBPYTHON := 1
@@ -326,13 +332,13 @@ else
 endif
 
 ifdef NO_DEMANGLE
-	BASIC_CFLAGS += -DNO_DEMANGLE
+	CFLAGS += -DNO_DEMANGLE
 else
 	ifdef HAVE_CPLUS_DEMANGLE
 		EXTLIBS += -liberty
-		BASIC_CFLAGS += -DHAVE_CPLUS_DEMANGLE
+		CFLAGS += -DHAVE_CPLUS_DEMANGLE
 	else
-		FLAGS_BFD=$(ALL_CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) -DPACKAGE='perf' -lbfd
+		FLAGS_BFD=$(CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) -DPACKAGE='perf' -lbfd
 		has_bfd := $(call try-cc,$(SOURCE_BFD),$(FLAGS_BFD),libbfd)
 		ifeq ($(has_bfd),y)
 			EXTLIBS += -lbfd
@@ -347,14 +353,14 @@ else
 				ifeq ($(has_bfd_iberty_z),y)
 					EXTLIBS += -lbfd -liberty -lz
 				else
-					FLAGS_CPLUS_DEMANGLE=$(ALL_CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) -liberty
+					FLAGS_CPLUS_DEMANGLE=$(CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) -liberty
 					has_cplus_demangle := $(call try-cc,$(SOURCE_CPLUS_DEMANGLE),$(FLAGS_CPLUS_DEMANGLE),demangle)
 					ifeq ($(has_cplus_demangle),y)
 						EXTLIBS += -liberty
-						BASIC_CFLAGS += -DHAVE_CPLUS_DEMANGLE
+						CFLAGS += -DHAVE_CPLUS_DEMANGLE
 					else
 						msg := $(warning No bfd.h/libbfd found, install binutils-dev[el]/zlib-static to gain symbol demangling)
-						BASIC_CFLAGS += -DNO_DEMANGLE
+						CFLAGS += -DNO_DEMANGLE
 					endif
 				endif
 			endif
@@ -364,29 +370,29 @@ endif
 
 ifndef NO_STRLCPY
 	ifeq ($(call try-cc,$(SOURCE_STRLCPY),,-DHAVE_STRLCPY),y)
-		BASIC_CFLAGS += -DHAVE_STRLCPY
+		CFLAGS += -DHAVE_STRLCPY
 	endif
 endif
 
 ifndef NO_ON_EXIT
 	ifeq ($(call try-cc,$(SOURCE_ON_EXIT),,-DHAVE_ON_EXIT),y)
-		BASIC_CFLAGS += -DHAVE_ON_EXIT
+		CFLAGS += -DHAVE_ON_EXIT
 	endif
 endif
 
 ifndef NO_BACKTRACE
        ifeq ($(call try-cc,$(SOURCE_BACKTRACE),,-DBACKTRACE_SUPPORT),y)
-		BASIC_CFLAGS += -DBACKTRACE_SUPPORT
+		CFLAGS += -DBACKTRACE_SUPPORT
        endif
 endif
 
 ifndef NO_LIBNUMA
-	FLAGS_LIBNUMA = $(ALL_CFLAGS) $(ALL_LDFLAGS) -lnuma
+	FLAGS_LIBNUMA = $(CFLAGS) $(ALL_LDFLAGS) -lnuma
 	ifneq ($(call try-cc,$(SOURCE_LIBNUMA),$(FLAGS_LIBNUMA),libnuma),y)
 		msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numa-libs-devel or libnuma-dev);
 		NO_LIBNUMA := 1
 	else
-		BASIC_CFLAGS += -DLIBNUMA_SUPPORT
+		CFLAGS += -DLIBNUMA_SUPPORT
 		EXTLIBS += -lnuma
 	endif
 endif
diff --git a/tools/perf/util/setup.py b/tools/perf/util/setup.py
index 6b0ed32..58ea5ca 100644
--- a/tools/perf/util/setup.py
+++ b/tools/perf/util/setup.py
@@ -18,8 +18,9 @@ class install_lib(_install_lib):
         self.build_dir = build_lib
 
 
-cflags = ['-fno-strict-aliasing', '-Wno-write-strings']
-cflags += getenv('CFLAGS', '').split()
+cflags = getenv('CFLAGS', '').split()
+# switch off several checks (need to be at the end of cflags list)
+cflags += ['-fno-strict-aliasing', '-Wno-write-strings', '-Wno-unused-parameter' ]
 
 build_lib = getenv('PYTHON_EXTBUILD_LIB')
 build_tmp = getenv('PYTHON_EXTBUILD_TMP')
-- 
1.8.1.4

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