[deliverable/linux.git] / tools / perf / config / Makefile

uname_M := $(shell uname -m 2>/dev/null || echo not)

ARCH ?= $(shell echo $(uname_M) | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ \
                                  -e s/arm.*/arm/ -e s/sa110/arm/ \
                                  -e s/s390x/s390/ -e s/parisc64/parisc/ \
                                  -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)
  override ARCH := x86
  NO_PERF_REGS := 0
  LIBUNWIND_LIBS = -lunwind -lunwind-x86
endif

ifeq ($(ARCH),x86_64)
  override ARCH := x86
  IS_X86_64 := 0
  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
    CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT
    ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
  endif
  NO_PERF_REGS := 0
  LIBUNWIND_LIBS = -lunwind -lunwind-x86_64
endif

ifeq ($(NO_PERF_REGS),0)
  CFLAGS += -DHAVE_PERF_REGS_SUPPORT
endif

ifeq ($(src-perf),)
src-perf := $(srctree)/tools/perf
endif

ifeq ($(obj-perf),)
obj-perf := $(OUTPUT)
endif

ifneq ($(obj-perf),)
obj-perf := $(abspath $(obj-perf))/
endif

LIB_INCLUDE := $(srctree)/tools/lib/

# include ARCH specific config
-include $(src-perf)/arch/$(ARCH)/Makefile

include $(src-perf)/config/feature-tests.mak
include $(src-perf)/config/utilities.mak

ifeq ($(call get-executable,$(FLEX)),)
  dummy := $(error Error: $(FLEX) is missing on this system, please install it)
endif

ifeq ($(call get-executable,$(BISON)),)
  dummy := $(error Error: $(BISON) is missing on this system, please install it)
endif

# Treat warnings as errors unless directed not to
ifneq ($(WERROR),0)
  CFLAGS += -Werror
endif

ifeq ("$(origin DEBUG)", "command line")
  PERF_DEBUG = $(DEBUG)
endif
ifndef PERF_DEBUG
  CFLAGS += -O6
endif

ifdef PARSER_DEBUG
  PARSER_DEBUG_BISON := -t
  PARSER_DEBUG_FLEX  := -d
  CFLAGS             += -DPARSER_DEBUG
endif

CFLAGS += -fno-omit-frame-pointer
CFLAGS += -ggdb3
CFLAGS += -funwind-tables
CFLAGS += -Wall
CFLAGS += -Wextra
CFLAGS += -std=gnu99

EXTLIBS = -lelf -lpthread -lrt -lm -ldl

feature_check = $(eval $(feature_check_code))
define feature_check_code
  feature-$(1) := $(shell $(MAKE) -C config/feature-checks test-$1 >/dev/null 2>/dev/null && echo 1 || echo 0)
endef

feature_set = $(eval $(feature_set_code))
define feature_set_code
  feature-$(1) := 1
endef

#
# Build the feature check binaries in parallel, ignore errors, ignore return value and suppress output:
#
$(info )
$(info Auto-detecting system features:)

FEATURE_TESTS =				\
	hello				\
	stackprotector-all		\
	stackprotector			\
	volatile-register-var		\
	fortify-source			\
	bionic				\
	libelf				\
	glibc				\
	dwarf				\
	libelf-mmap			\
	libelf-getphdrnum		\
	libunwind			\
	libaudit			\
	libslang			\
	gtk2				\
	gtk2-infobar			\
	libperl				\
	libpython			\
	libpython-version		\
	libbfd				\
	on-exit				\
	backtrace			\
	libnuma

#
# Special fast-path for the 'all features are available' case:
#
$(call feature_check,all)

ifeq ($(feature-all), 1)
  $(foreach feat,$(FEATURE_TESTS),$(call feature_set,$(feat)))
else
  $(shell $(MAKE) -i -j -C config/feature-checks >/dev/null 2>&1)
  $(foreach feat,$(FEATURE_TESTS),$(call feature_check,$(feat)))
endif

feature_print = $(eval $(feature_print_code))

#
# Print the result of the feature test:
#
define feature_print_code
  ifeq ($(feature-$(1)), 1)
    MSG := $(shell printf '...%30s: [ \033[32mon\033[m  ]' $(1))
  else
    MSG := $(shell printf '...%30s: [ \033[31mOFF\033[m ]' $(1))
  endif
  $(info $(MSG))
endef

$(foreach feat,$(FEATURE_TESTS) DUMMY,$(call feature_print,$(feat)))

# newline at the end of the feature printouts:
$(info )

ifeq ($(feature-stackprotector-all), 1)
  CFLAGS += -fstack-protector-all
endif

ifeq ($(feature-stackprotector), 1)
  CFLAGS += -Wstack-protector
endif

ifeq ($(feature-volatile-register-var), 1)
  CFLAGS += -Wvolatile-register-var
endif

ifndef PERF_DEBUG
  ifeq ($(feature-fortify-source), 1)
    CFLAGS += -D_FORTIFY_SOURCE=2
  endif
endif

CFLAGS += -I$(src-perf)/util/include
CFLAGS += -I$(src-perf)/arch/$(ARCH)/include
CFLAGS += -I$(srctree)/arch/$(ARCH)/include/uapi
CFLAGS += -I$(srctree)/arch/$(ARCH)/include
CFLAGS += -I$(srctree)/include/uapi
CFLAGS += -I$(srctree)/include

# $(obj-perf)      for generated common-cmds.h
# $(obj-perf)/util for generated bison/flex headers
ifneq ($(OUTPUT),)
CFLAGS += -I$(obj-perf)/util
CFLAGS += -I$(obj-perf)
endif

CFLAGS += -I$(src-perf)/util
CFLAGS += -I$(src-perf)
CFLAGS += -I$(LIB_INCLUDE)

CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE

ifndef NO_BIONIC
  $(feature_check,bionic)
  ifeq ($(feature-bionic), 1)
    BIONIC := 1
    EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
    EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
  endif
endif

ifdef NO_LIBELF
  NO_DWARF := 1
  NO_DEMANGLE := 1
  NO_LIBUNWIND := 1
else
  ifeq ($(feature-libelf), 0)
    ifeq ($(feature-glibc), 1)
      LIBC_SUPPORT := 1
    endif
    ifeq ($(BIONIC),1)
      LIBC_SUPPORT := 1
    endif
    ifeq ($(LIBC_SUPPORT),1)
      msg := $(warning No libelf found, disables 'probe' tool, please install elfutils-libelf-devel/libelf-dev);

      NO_LIBELF := 1
      NO_DWARF := 1
      NO_DEMANGLE := 1
    else
      msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]/glibc-static);
    endif
  else
    # for linking with debug library, run like:
    # make DEBUG=1 LIBDW_DIR=/opt/libdw/
    ifdef LIBDW_DIR
      LIBDW_CFLAGS  := -I$(LIBDW_DIR)/include
      LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
    endif

    ifneq ($(feature-dwarf), 1)
      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
    endif # Dwarf support
  endif # SOURCE_LIBELF
endif # NO_LIBELF

ifndef NO_LIBELF
  CFLAGS += -DHAVE_LIBELF_SUPPORT
  FLAGS_LIBELF=$(CFLAGS) $(LDFLAGS) $(EXTLIBS)

  ifeq ($(feature-libelf-mmap), 1)
    CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
  endif

  ifeq ($(feature-libelf-getphdrnum), 1)
    CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
  endif

  # include ARCH specific config
  -include $(src-perf)/arch/$(ARCH)/Makefile

  ifndef NO_DWARF
    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
      CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
      LDFLAGS += $(LIBDW_LDFLAGS)
      EXTLIBS += -lelf -ldw
    endif # PERF_HAVE_DWARF_REGS
  endif # NO_DWARF
endif # NO_LIBELF

ifndef NO_LIBELF
  CFLAGS += -DHAVE_LIBELF_SUPPORT
  ifeq ($(feature-libelf-mmap), 1)
    CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
  endif
endif # NO_LIBELF

# There's only x86 (both 32 and 64) support for CFI unwind so far
ifneq ($(ARCH),x86)
  NO_LIBUNWIND := 1
endif

ifndef NO_LIBUNWIND
  #
  # For linking with debug library, run like:
  #
  #   make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
  #
  ifdef LIBUNWIND_DIR
    LIBUNWIND_CFLAGS  := -I$(LIBUNWIND_DIR)/include
    LIBUNWIND_LDFLAGS := -L$(LIBUNWIND_DIR)/lib
  endif

  ifneq ($(feature-libunwind), 1)
    msg := $(warning No libunwind found, disabling post unwind support. Please install libunwind-dev[el] >= 0.99);
    NO_LIBUNWIND := 1
  endif
endif

ifndef NO_LIBUNWIND
  CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
  EXTLIBS += $(LIBUNWIND_LIBS)
  CFLAGS += $(LIBUNWIND_CFLAGS)
  LDFLAGS += $(LIBUNWIND_LDFLAGS)
endif

ifndef NO_LIBAUDIT
  ifneq ($(feature-libaudit), 1)
    msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
    NO_LIBAUDIT := 1
  else
    CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
    EXTLIBS += -laudit
  endif
endif

ifdef NO_NEWT
  NO_SLANG=1
endif

ifndef NO_SLANG
  ifneq ($(feature-libslang), 1)
    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
    CFLAGS += -I/usr/include/slang
    CFLAGS += -DHAVE_SLANG_SUPPORT
    EXTLIBS += -lslang
  endif
endif

ifndef NO_GTK2
  FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell pkg-config --libs --cflags gtk+-2.0 2>/dev/null)
  ifneq ($(feature-gtk2), 1)
    msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
    NO_GTK2 := 1
  else
    ifeq ($(feature-gtk2-infobar), 1)
      CFLAGS += -DHAVE_GTK_INFO_BAR_SUPPORT
    endif
    CFLAGS += -DHAVE_GTK2_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

grep-libs  = $(filter -l%,$(1))
strip-libs = $(filter-out -l%,$(1))

ifdef NO_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))
  PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
  PERL_EMBED_CCOPTS = `perl -MExtUtils::Embed -e ccopts 2>/dev/null`
  FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)

  ifneq ($(feature-libperl), 1)
    CFLAGS += -DNO_LIBPERL
    NO_LIBPERL := 1
  else
    LDFLAGS += $(PERL_EMBED_LDFLAGS)
    EXTLIBS += $(PERL_EMBED_LIBADD)
  endif
endif

disable-python = $(eval $(disable-python_code))
define disable-python_code
  CFLAGS += -DNO_LIBPYTHON
  $(if $(1),$(warning No $(1) was found))
  $(warning Python support will not be built)
  NO_LIBPYTHON := 1
endef

override PYTHON := \
  $(call get-executable-or-default,PYTHON,python)

ifndef PYTHON
  $(call disable-python,python interpreter)
else

  PYTHON_WORD := $(call shell-wordify,$(PYTHON))

  ifdef NO_LIBPYTHON
    $(call disable-python)
  else

    override PYTHON_CONFIG := \
      $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON)-config)

    ifndef PYTHON_CONFIG
      $(call disable-python,python-config tool)
    else

      PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))

      PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
      PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
      PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS))
      PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
      FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)

      ifneq ($(feature-libpython), 1)
        $(call disable-python,Python.h (for Python 2.x))
      else

        ifneq ($(feature-libpython-version), 1)
          $(warning Python 3 is not yet supported; please set)
          $(warning PYTHON and/or PYTHON_CONFIG appropriately.)
          $(warning If you also have Python 2 installed, then)
          $(warning try something like:)
          $(warning $(and ,))
          $(warning $(and ,)  make PYTHON=python2)
          $(warning $(and ,))
          $(warning Otherwise, disable Python support entirely:)
          $(warning $(and ,))
          $(warning $(and ,)  make NO_LIBPYTHON=1)
          $(warning $(and ,))
          $(error   $(and ,))
        else
          LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
          EXTLIBS += $(PYTHON_EMBED_LIBADD)
          LANG_BINDINGS += $(obj-perf)python/perf.so
        endif
      endif
    endif
  endif
endif

ifdef NO_DEMANGLE
  CFLAGS += -DNO_DEMANGLE
else
  ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
    EXTLIBS += -liberty
    CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
  else
    FLAGS_BFD=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) -DPACKAGE='perf' -lbfd
    ifeq ($(feature-libbfd), 1)
      EXTLIBS += -lbfd
    else
      FLAGS_BFD_IBERTY=$(FLAGS_BFD) -liberty
      has_bfd_iberty := $(call try-cc,$(SOURCE_BFD),$(FLAGS_BFD_IBERTY),liberty)
      ifeq ($(has_bfd_iberty),y)
        EXTLIBS += -lbfd -liberty
      else
        FLAGS_BFD_IBERTY_Z=$(FLAGS_BFD_IBERTY) -lz
        has_bfd_iberty_z := $(call try-cc,$(SOURCE_BFD),$(FLAGS_BFD_IBERTY_Z),libz)
        ifeq ($(has_bfd_iberty_z),y)
          EXTLIBS += -lbfd -liberty -lz
        else
          FLAGS_CPLUS_DEMANGLE=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) -liberty
          has_cplus_demangle := $(call try-cc,$(SOURCE_CPLUS_DEMANGLE),$(FLAGS_CPLUS_DEMANGLE),demangle)
          ifeq ($(has_cplus_demangle),y)
            EXTLIBS += -liberty
            CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
          else
            msg := $(warning No bfd.h/libbfd found, install binutils-dev[el]/zlib-static to gain symbol demangling)
            CFLAGS += -DNO_DEMANGLE
          endif
        endif
      endif
    endif
  endif
endif

ifndef NO_ON_EXIT
  ifeq ($(feature-on-exit), 1)
    CFLAGS += -DHAVE_ON_EXIT_SUPPORT
  endif
endif

ifndef NO_BACKTRACE
  ifeq ($(feature-backtrace), 1)
    CFLAGS += -DHAVE_BACKTRACE_SUPPORT
  endif
endif

ifndef NO_LIBNUMA
  ifeq ($(feature-libnuma), 0)
    msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numa-libs-devel or libnuma-dev);
    NO_LIBNUMA := 1
  else
    CFLAGS += -DHAVE_LIBNUMA_SUPPORT
    EXTLIBS += -lnuma
  endif
endif

# Among the variables below, these:
#   perfexecdir
#   template_dir
#   mandir
#   infodir
#   htmldir
#   ETC_PERFCONFIG (but not sysconfdir)
# can be specified as a relative path some/where/else;
# this is interpreted as relative to $(prefix) and "perf" at
# runtime figures out where they are based on the path to the executable.
# This can help installing the suite in a relocatable way.

# Make the path relative to DESTDIR, not to prefix
ifndef DESTDIR
prefix = $(HOME)
endif
bindir_relative = bin
bindir = $(prefix)/$(bindir_relative)
mandir = share/man
infodir = share/info
perfexecdir = libexec/perf-core
sharedir = $(prefix)/share
template_dir = share/perf-core/templates
htmldir = share/doc/perf-doc
ifeq ($(prefix),/usr)
sysconfdir = /etc
ETC_PERFCONFIG = $(sysconfdir)/perfconfig
else
sysconfdir = $(prefix)/etc
ETC_PERFCONFIG = etc/perfconfig
endif
lib = lib

# Shell quote (do not use $(call) to accommodate ancient setups);
ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
bindir_SQ = $(subst ','\'',$(bindir))
mandir_SQ = $(subst ','\'',$(mandir))
infodir_SQ = $(subst ','\'',$(infodir))
perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
template_dir_SQ = $(subst ','\'',$(template_dir))
htmldir_SQ = $(subst ','\'',$(htmldir))
prefix_SQ = $(subst ','\'',$(prefix))
sysconfdir_SQ = $(subst ','\'',$(sysconfdir))

ifneq ($(filter /%,$(firstword $(perfexecdir))),)
perfexec_instdir = $(perfexecdir)
else
perfexec_instdir = $(prefix)/$(perfexecdir)
endif
perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
Commit	Line	Data
8bd407b9 JO	1	uname_M := $(shell uname -m 2>/dev/null \|\| echo not)
	2
	3	ARCH ?= $(shell echo $(uname_M) \| sed -e s/i.86/i386/ -e s/sun4u/sparc64/ \
8e1b3f68 JO	4	-e s/arm.*/arm/ -e s/sa110/arm/ \
	5	-e s/s390x/s390/ -e s/parisc64/parisc/ \
	6	-e s/ppc./powerpc/ -e s/mips./mips/ \
	7	-e s/sh[234]./sh/ -e s/aarch64./arm64/ )
8bd407b9	8	NO_PERF_REGS := 1
9c12cf95	9	CFLAGS := $(EXTRA_CFLAGS) $(EXTRA_WARNINGS)
8bd407b9 JO	10
	11	# Additional ARCH settings for x86
	12	ifeq ($(ARCH),i386)
8e1b3f68 JO	13	override ARCH := x86
	14	NO_PERF_REGS := 0
	15	LIBUNWIND_LIBS = -lunwind -lunwind-x86
8bd407b9 JO	16	endif
	17
	18	ifeq ($(ARCH),x86_64)
8e1b3f68 JO	19	override ARCH := x86
	20	IS_X86_64 := 0
	21	ifeq (, $(findstring m32,$(CFLAGS)))
	22	IS_X86_64 := $(shell echo __x86_64__ \| ${CC} -E -x c - \| tail -n 1)
	23	endif
	24	ifeq (${IS_X86_64}, 1)
	25	RAW_ARCH := x86_64
89fe808a	26	CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT
8e1b3f68 JO	27	ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
	28	endif
	29	NO_PERF_REGS := 0
	30	LIBUNWIND_LIBS = -lunwind -lunwind-x86_64
8bd407b9 JO	31	endif
	32
	33	ifeq ($(NO_PERF_REGS),0)
89fe808a	34	CFLAGS += -DHAVE_PERF_REGS_SUPPORT
8bd407b9	35	endif
a32f4936	36
7c53746e JO	37	ifeq ($(src-perf),)
	38	src-perf := $(srctree)/tools/perf
	39	endif
	40
	41	ifeq ($(obj-perf),)
107de372	42	obj-perf := $(OUTPUT)
7c53746e JO	43	endif
	44
	45	ifneq ($(obj-perf),)
	46	obj-perf := $(abspath $(obj-perf))/
	47	endif
	48
4e319027 RR	49	LIB_INCLUDE := $(srctree)/tools/lib/
4e319027 RR	50
7c53746e JO	51	# include ARCH specific config
	52	-include $(src-perf)/arch/$(ARCH)/Makefile
	53
	54	include $(src-perf)/config/feature-tests.mak
	55	include $(src-perf)/config/utilities.mak
a32f4936 JO	56
a32f4936 JO	57	ifeq ($(call get-executable,$(FLEX)),)
8e1b3f68	58	dummy := $(error Error: $(FLEX) is missing on this system, please install it)
a32f4936 JO	59	endif
	60
	61	ifeq ($(call get-executable,$(BISON)),)
8e1b3f68	62	dummy := $(error Error: $(BISON) is missing on this system, please install it)
a32f4936	63	endif
362493f0 JO	64
	65	# Treat warnings as errors unless directed not to
	66	ifneq ($(WERROR),0)
8e1b3f68	67	CFLAGS += -Werror
362493f0 JO	68	endif
	69
	70	ifeq ("$(origin DEBUG)", "command line")
8e1b3f68	71	PERF_DEBUG = $(DEBUG)
362493f0 JO	72	endif
362493f0 JO	73	ifndef PERF_DEBUG
8e1b3f68	74	CFLAGS += -O6
362493f0 JO	75	endif
	76
	77	ifdef PARSER_DEBUG
8e1b3f68 JO	78	PARSER_DEBUG_BISON := -t
	79	PARSER_DEBUG_FLEX := -d
	80	CFLAGS += -DPARSER_DEBUG
362493f0 JO	81	endif
362493f0 JO	82
2fe73746 JO	83	CFLAGS += -fno-omit-frame-pointer
	84	CFLAGS += -ggdb3
	85	CFLAGS += -funwind-tables
	86	CFLAGS += -Wall
	87	CFLAGS += -Wextra
	88	CFLAGS += -std=gnu99
9c12cf95	89
6d19912c	90	EXTLIBS = -lelf -lpthread -lrt -lm -ldl
362493f0	91
baa9c30e	92	feature_check = $(eval $(feature_check_code))
b6aa9979	93	define feature_check_code
baa9c30e IM	94	feature-$(1) := $(shell $(MAKE) -C config/feature-checks test-$1 >/dev/null 2>/dev/null && echo 1 \|\| echo 0)
	95	endef
	96
	97	feature_set = $(eval $(feature_set_code))
	98	define feature_set_code
	99	feature-$(1) := 1
b6aa9979 IM	100	endef
	101
	102	#
	103	# Build the feature check binaries in parallel, ignore errors, ignore return value and suppress output:
	104	#
baa9c30e IM	105	$(info )
baa9c30e IM	106	$(info Auto-detecting system features:)
b6aa9979	107
3ae069cf IM	108	FEATURE_TESTS = \
3ae069cf IM	109	hello \
90ac5422	110	stackprotector-all \
430be5ab	111	stackprotector \
c2510445	112	volatile-register-var \
1ea6f99e	113	fortify-source \
78e9d655	114	bionic \
8f7f8005	115	libelf \
e12762cf	116	glibc \
8295d4e2	117	dwarf \
8869b17e	118	libelf-mmap \
b7bcef6f	119	libelf-getphdrnum \
058f952d	120	libunwind \
d795a658	121	libaudit \
b9498b50	122	libslang \
7ef9e055	123	gtk2 \
c7a79e96	124	gtk2-infobar \
7181a671	125	libperl \
9734163b	126	libpython \
95d061c8	127	libpython-version \
3b7646e4	128	libbfd \
34ef2162	129	on-exit \
4cc9117a	130	backtrace \
3ae069cf	131	libnuma
b6aa9979	132
baa9c30e IM	133	#
	134	# Special fast-path for the 'all features are available' case:
	135	#
	136	$(call feature_check,all)
	137
	138	ifeq ($(feature-all), 1)
	139	$(foreach feat,$(FEATURE_TESTS),$(call feature_set,$(feat)))
	140	else
	141	$(shell $(MAKE) -i -j -C config/feature-checks >/dev/null 2>&1)
	142	$(foreach feat,$(FEATURE_TESTS),$(call feature_check,$(feat)))
	143	endif
	144
	145	feature_print = $(eval $(feature_print_code))
	146
	147	#
	148	# Print the result of the feature test:
	149	#
	150	define feature_print_code
	151	ifeq ($(feature-$(1)), 1)
	152	MSG := $(shell printf '...%30s: [ \033[32mon\033[m ]' $(1))
	153	else
	154	MSG := $(shell printf '...%30s: [ \033[31mOFF\033[m ]' $(1))
	155	endif
	156	$(info $(MSG))
	157	endef
	158
	159	$(foreach feat,$(FEATURE_TESTS) DUMMY,$(call feature_print,$(feat)))
	160
	161	# newline at the end of the feature printouts:
	162	$(info )
b6aa9979	163
90ac5422	164	ifeq ($(feature-stackprotector-all), 1)
8e1b3f68	165	CFLAGS += -fstack-protector-all
362493f0 JO	166	endif
362493f0 JO	167
430be5ab	168	ifeq ($(feature-stackprotector), 1)
8e1b3f68	169	CFLAGS += -Wstack-protector
362493f0 JO	170	endif
362493f0 JO	171
c2510445	172	ifeq ($(feature-volatile-register-var), 1)
8e1b3f68	173	CFLAGS += -Wvolatile-register-var
362493f0 JO	174	endif
	175
	176	ifndef PERF_DEBUG
1ea6f99e	177	ifeq ($(feature-fortify-source), 1)
8e1b3f68 JO	178	CFLAGS += -D_FORTIFY_SOURCE=2
8e1b3f68 JO	179	endif
362493f0 JO	180	endif
362493f0 JO	181
2fe73746 JO	182	CFLAGS += -I$(src-perf)/util/include
	183	CFLAGS += -I$(src-perf)/arch/$(ARCH)/include
	184	CFLAGS += -I$(srctree)/arch/$(ARCH)/include/uapi
	185	CFLAGS += -I$(srctree)/arch/$(ARCH)/include
	186	CFLAGS += -I$(srctree)/include/uapi
	187	CFLAGS += -I$(srctree)/include
7c53746e JO	188
	189	# $(obj-perf) for generated common-cmds.h
	190	# $(obj-perf)/util for generated bison/flex headers
	191	ifneq ($(OUTPUT),)
2fe73746 JO	192	CFLAGS += -I$(obj-perf)/util
2fe73746 JO	193	CFLAGS += -I$(obj-perf)
7c53746e JO	194	endif
7c53746e JO	195
2fe73746 JO	196	CFLAGS += -I$(src-perf)/util
2fe73746 JO	197	CFLAGS += -I$(src-perf)
4e319027	198	CFLAGS += -I$(LIB_INCLUDE)
7c53746e	199
2fe73746	200	CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
362493f0	201
4e22db46	202	ifndef NO_BIONIC
78e9d655 IM	203	$(feature_check,bionic)
	204	ifeq ($(feature-bionic), 1)
	205	BIONIC := 1
	206	EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
	207	EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
	208	endif
362493f0	209	endif
cf4cca10 JO	210
cf4cca10 JO	211	ifdef NO_LIBELF
8e1b3f68 JO	212	NO_DWARF := 1
	213	NO_DEMANGLE := 1
	214	NO_LIBUNWIND := 1
cf4cca10	215	else
8f7f8005	216	ifeq ($(feature-libelf), 0)
e12762cf	217	ifeq ($(feature-glibc), 1)
50eed7a7 IM	218	LIBC_SUPPORT := 1
	219	endif
	220	ifeq ($(BIONIC),1)
	221	LIBC_SUPPORT := 1
	222	endif
	223	ifeq ($(LIBC_SUPPORT),1)
	224	msg := $(warning No libelf found, disables 'probe' tool, please install elfutils-libelf-devel/libelf-dev);
	225
	226	NO_LIBELF := 1
	227	NO_DWARF := 1
	228	NO_DEMANGLE := 1
	229	else
	230	msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]/glibc-static);
	231	endif
8e1b3f68	232	else
50eed7a7 IM	233	# for linking with debug library, run like:
	234	# make DEBUG=1 LIBDW_DIR=/opt/libdw/
	235	ifdef LIBDW_DIR
	236	LIBDW_CFLAGS := -I$(LIBDW_DIR)/include
	237	LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
	238	endif
	239
8295d4e2	240	ifneq ($(feature-dwarf), 1)
50eed7a7 IM	241	msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
	242	NO_DWARF := 1
	243	endif # Dwarf support
	244	endif # SOURCE_LIBELF
cf4cca10 JO	245	endif # NO_LIBELF
	246
	247	ifndef NO_LIBELF
fb3d333b IM	248	CFLAGS += -DHAVE_LIBELF_SUPPORT
fb3d333b IM	249	FLAGS_LIBELF=$(CFLAGS) $(LDFLAGS) $(EXTLIBS)
779724fd	250
8869b17e	251	ifeq ($(feature-libelf-mmap), 1)
fb3d333b IM	252	CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
fb3d333b IM	253	endif
779724fd	254
b7bcef6f	255	ifeq ($(feature-libelf-getphdrnum), 1)
fb3d333b IM	256	CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
	257	endif
	258
	259	# include ARCH specific config
	260	-include $(src-perf)/arch/$(ARCH)/Makefile
779724fd	261
fb3d333b IM	262	ifndef NO_DWARF
	263	ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
	264	msg := $(warning DWARF register mappings have not been defined for architecture $(ARCH), DWARF support disabled);
	265	NO_DWARF := 1
	266	else
	267	CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
	268	LDFLAGS += $(LIBDW_LDFLAGS)
	269	EXTLIBS += -lelf -ldw
	270	endif # PERF_HAVE_DWARF_REGS
	271	endif # NO_DWARF
cf4cca10	272	endif # NO_LIBELF
0e433feb	273
1e9f7aad	274	ifndef NO_LIBELF
fb3d333b	275	CFLAGS += -DHAVE_LIBELF_SUPPORT
8869b17e	276	ifeq ($(feature-libelf-mmap), 1)
fb3d333b	277	CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
b7bcef6f	278	endif
1e9f7aad JO	279	endif # NO_LIBELF
1e9f7aad JO	280
0e433feb JO	281	# There's only x86 (both 32 and 64) support for CFI unwind so far
0e433feb JO	282	ifneq ($(ARCH),x86)
8e1b3f68	283	NO_LIBUNWIND := 1
0e433feb JO	284	endif
	285
	286	ifndef NO_LIBUNWIND
058f952d IM	287	#
	288	# For linking with debug library, run like:
	289	#
	290	# make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
	291	#
308e1e70 IM	292	ifdef LIBUNWIND_DIR
	293	LIBUNWIND_CFLAGS := -I$(LIBUNWIND_DIR)/include
	294	LIBUNWIND_LDFLAGS := -L$(LIBUNWIND_DIR)/lib
	295	endif
0e433feb	296
058f952d	297	ifneq ($(feature-libunwind), 1)
308e1e70 IM	298	msg := $(warning No libunwind found, disabling post unwind support. Please install libunwind-dev[el] >= 0.99);
	299	NO_LIBUNWIND := 1
	300	endif
	301	endif
0e433feb JO	302
0e433feb JO	303	ifndef NO_LIBUNWIND
89fe808a	304	CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
8e1b3f68 JO	305	EXTLIBS += $(LIBUNWIND_LIBS)
	306	CFLAGS += $(LIBUNWIND_CFLAGS)
	307	LDFLAGS += $(LIBUNWIND_LDFLAGS)
058f952d	308	endif
a8279525 JO	309
a8279525 JO	310	ifndef NO_LIBAUDIT
d795a658	311	ifneq ($(feature-libaudit), 1)
8e1b3f68 JO	312	msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
	313	NO_LIBAUDIT := 1
	314	else
89fe808a	315	CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
8e1b3f68 JO	316	EXTLIBS += -laudit
8e1b3f68 JO	317	endif
a8279525	318	endif
4a8f888a JO	319
4a8f888a JO	320	ifdef NO_NEWT
8e1b3f68	321	NO_SLANG=1
4a8f888a JO	322	endif
	323
	324	ifndef NO_SLANG
b9498b50	325	ifneq ($(feature-libslang), 1)
8e1b3f68 JO	326	msg := $(warning slang not found, disables TUI support. Please install slang-devel or libslang-dev);
	327	NO_SLANG := 1
	328	else
	329	# Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
	330	CFLAGS += -I/usr/include/slang
89fe808a	331	CFLAGS += -DHAVE_SLANG_SUPPORT
8e1b3f68 JO	332	EXTLIBS += -lslang
8e1b3f68 JO	333	endif
4a8f888a	334	endif
58cabf6a JO	335
58cabf6a JO	336	ifndef NO_GTK2
8e1b3f68	337	FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell pkg-config --libs --cflags gtk+-2.0 2>/dev/null)
7ef9e055	338	ifneq ($(feature-gtk2), 1)
8e1b3f68 JO	339	msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
	340	NO_GTK2 := 1
	341	else
c7a79e96	342	ifeq ($(feature-gtk2-infobar), 1)
89fe808a	343	CFLAGS += -DHAVE_GTK_INFO_BAR_SUPPORT
8e1b3f68	344	endif
89fe808a	345	CFLAGS += -DHAVE_GTK2_SUPPORT
8e1b3f68 JO	346	CFLAGS += $(shell pkg-config --cflags gtk+-2.0 2>/dev/null)
	347	EXTLIBS += $(shell pkg-config --libs gtk+-2.0 2>/dev/null)
	348	endif
58cabf6a	349	endif
3082cb33 JO	350
	351	grep-libs = $(filter -l%,$(1))
	352	strip-libs = $(filter-out -l%,$(1))
	353
	354	ifdef NO_LIBPERL
8e1b3f68	355	CFLAGS += -DNO_LIBPERL
3082cb33	356	else
8e1b3f68 JO	357	PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
	358	PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
	359	PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
	360	PERL_EMBED_CCOPTS = `perl -MExtUtils::Embed -e ccopts 2>/dev/null`
	361	FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
	362
7181a671	363	ifneq ($(feature-libperl), 1)
8e1b3f68 JO	364	CFLAGS += -DNO_LIBPERL
	365	NO_LIBPERL := 1
	366	else
	367	LDFLAGS += $(PERL_EMBED_LDFLAGS)
	368	EXTLIBS += $(PERL_EMBED_LIBADD)
	369	endif
3082cb33	370	endif
6e533cf1 JO	371
	372	disable-python = $(eval $(disable-python_code))
	373	define disable-python_code
9c12cf95	374	CFLAGS += -DNO_LIBPYTHON
6e533cf1 JO	375	$(if $(1),$(warning No $(1) was found))
	376	$(warning Python support will not be built)
	377	NO_LIBPYTHON := 1
	378	endef
	379
	380	override PYTHON := \
	381	$(call get-executable-or-default,PYTHON,python)
	382
	383	ifndef PYTHON
	384	$(call disable-python,python interpreter)
	385	else
	386
	387	PYTHON_WORD := $(call shell-wordify,$(PYTHON))
	388
	389	ifdef NO_LIBPYTHON
	390	$(call disable-python)
	391	else
	392
	393	override PYTHON_CONFIG := \
	394	$(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON)-config)
	395
	396	ifndef PYTHON_CONFIG
	397	$(call disable-python,python-config tool)
	398	else
	399
	400	PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
	401
	402	PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
	403	PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
	404	PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS))
	405	PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
	406	FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
	407
9734163b	408	ifneq ($(feature-libpython), 1)
6e533cf1 JO	409	$(call disable-python,Python.h (for Python 2.x))
	410	else
	411
95d061c8	412	ifneq ($(feature-libpython-version), 1)
6e533cf1 JO	413	$(warning Python 3 is not yet supported; please set)
	414	$(warning PYTHON and/or PYTHON_CONFIG appropriately.)
	415	$(warning If you also have Python 2 installed, then)
	416	$(warning try something like:)
	417	$(warning $(and ,))
	418	$(warning $(and ,) make PYTHON=python2)
	419	$(warning $(and ,))
	420	$(warning Otherwise, disable Python support entirely:)
	421	$(warning $(and ,))
	422	$(warning $(and ,) make NO_LIBPYTHON=1)
	423	$(warning $(and ,))
	424	$(error $(and ,))
	425	else
1e9f7aad	426	LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
6e533cf1	427	EXTLIBS += $(PYTHON_EMBED_LIBADD)
7c53746e	428	LANG_BINDINGS += $(obj-perf)python/perf.so
6e533cf1 JO	429	endif
	430	endif
	431	endif
	432	endif
	433	endif
c3cf8368 JO	434
c3cf8368 JO	435	ifdef NO_DEMANGLE
8e1b3f68	436	CFLAGS += -DNO_DEMANGLE
c3cf8368	437	else
89fe808a	438	ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
8e1b3f68	439	EXTLIBS += -liberty
89fe808a	440	CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
8e1b3f68 JO	441	else
8e1b3f68 JO	442	FLAGS_BFD=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) -DPACKAGE='perf' -lbfd
3b7646e4	443	ifeq ($(feature-libbfd), 1)
8e1b3f68 JO	444	EXTLIBS += -lbfd
	445	else
	446	FLAGS_BFD_IBERTY=$(FLAGS_BFD) -liberty
	447	has_bfd_iberty := $(call try-cc,$(SOURCE_BFD),$(FLAGS_BFD_IBERTY),liberty)
	448	ifeq ($(has_bfd_iberty),y)
	449	EXTLIBS += -lbfd -liberty
	450	else
	451	FLAGS_BFD_IBERTY_Z=$(FLAGS_BFD_IBERTY) -lz
	452	has_bfd_iberty_z := $(call try-cc,$(SOURCE_BFD),$(FLAGS_BFD_IBERTY_Z),libz)
	453	ifeq ($(has_bfd_iberty_z),y)
	454	EXTLIBS += -lbfd -liberty -lz
	455	else
	456	FLAGS_CPLUS_DEMANGLE=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) -liberty
	457	has_cplus_demangle := $(call try-cc,$(SOURCE_CPLUS_DEMANGLE),$(FLAGS_CPLUS_DEMANGLE),demangle)
	458	ifeq ($(has_cplus_demangle),y)
	459	EXTLIBS += -liberty
89fe808a	460	CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
8e1b3f68 JO	461	else
	462	msg := $(warning No bfd.h/libbfd found, install binutils-dev[el]/zlib-static to gain symbol demangling)
	463	CFLAGS += -DNO_DEMANGLE
	464	endif
	465	endif
	466	endif
	467	endif
	468	endif
c3cf8368	469	endif
a1c7c9e7	470
a1c7c9e7	471	ifndef NO_ON_EXIT
34ef2162	472	ifeq ($(feature-on-exit), 1)
89fe808a	473	CFLAGS += -DHAVE_ON_EXIT_SUPPORT
8e1b3f68	474	endif
a1c7c9e7 JO	475	endif
	476
	477	ifndef NO_BACKTRACE
4cc9117a	478	ifeq ($(feature-backtrace), 1)
89fe808a	479	CFLAGS += -DHAVE_BACKTRACE_SUPPORT
8e1b3f68	480	endif
a1c7c9e7	481	endif
58a0abd7 JO	482
58a0abd7 JO	483	ifndef NO_LIBNUMA
3ae069cf	484	ifeq ($(feature-libnuma), 0)
8e1b3f68 JO	485	msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numa-libs-devel or libnuma-dev);
	486	NO_LIBNUMA := 1
	487	else
89fe808a	488	CFLAGS += -DHAVE_LIBNUMA_SUPPORT
8e1b3f68 JO	489	EXTLIBS += -lnuma
8e1b3f68 JO	490	endif
58a0abd7	491	endif
cd1c39f2 JO	492
	493	# Among the variables below, these:
	494	# perfexecdir
	495	# template_dir
	496	# mandir
	497	# infodir
	498	# htmldir
	499	# ETC_PERFCONFIG (but not sysconfdir)
	500	# can be specified as a relative path some/where/else;
	501	# this is interpreted as relative to $(prefix) and "perf" at
	502	# runtime figures out where they are based on the path to the executable.
	503	# This can help installing the suite in a relocatable way.
	504
	505	# Make the path relative to DESTDIR, not to prefix
	506	ifndef DESTDIR
	507	prefix = $(HOME)
	508	endif
	509	bindir_relative = bin
	510	bindir = $(prefix)/$(bindir_relative)
	511	mandir = share/man
	512	infodir = share/info
	513	perfexecdir = libexec/perf-core
	514	sharedir = $(prefix)/share
	515	template_dir = share/perf-core/templates
	516	htmldir = share/doc/perf-doc
	517	ifeq ($(prefix),/usr)
	518	sysconfdir = /etc
	519	ETC_PERFCONFIG = $(sysconfdir)/perfconfig
	520	else
	521	sysconfdir = $(prefix)/etc
	522	ETC_PERFCONFIG = etc/perfconfig
	523	endif
	524	lib = lib
	525
	526	# Shell quote (do not use $(call) to accommodate ancient setups);
	527	ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
	528	DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
	529	bindir_SQ = $(subst ','\'',$(bindir))
	530	mandir_SQ = $(subst ','\'',$(mandir))
	531	infodir_SQ = $(subst ','\'',$(infodir))
	532	perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
	533	template_dir_SQ = $(subst ','\'',$(template_dir))
	534	htmldir_SQ = $(subst ','\'',$(htmldir))
	535	prefix_SQ = $(subst ','\'',$(prefix))
	536	sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
	537
	538	ifneq ($(filter /%,$(firstword $(perfexecdir))),)
	539	perfexec_instdir = $(perfexecdir)
	540	else
	541	perfexec_instdir = $(prefix)/$(perfexecdir)
	542	endif
	543	perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))