[linux-2.6-block.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)); $(info CHK: config/feature-checks/test-$(1))
define feature_check_code
  feature-$(2) := $(shell make -C config/feature-checks test-$1 >/dev/null 2>/dev/null && echo 1 || echo 0)
endef

#
# Build the feature check binaries in parallel, ignore errors, ignore return value and suppress output:
#
$(info Testing features:)
$(shell make -i -j -C config/feature-checks >/dev/null 2>&1)
$(info done)

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		\
	strlcpy				\
	libbfd				\
	on-exit				\
	libnuma

$(foreach test,$(FEATURE_TESTS),$(call feature_check,$(test),$(test)))

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_STRLCPY
  ifeq ($(feature-strlcpy), 1)
    CFLAGS += -DHAVE_STRLCPY_SUPPORT
  endif
endif

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

ifndef NO_BACKTRACE
  ifeq ($(call try-cc,$(SOURCE_BACKTRACE),,-DHAVE_BACKTRACE_SUPPORT),y)
    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
b6aa9979 IM	92	feature_check = $(eval $(feature_check_code)); $(info CHK: config/feature-checks/test-$(1))
	93	define feature_check_code
	94	feature-$(2) := $(shell make -C config/feature-checks test-$1 >/dev/null 2>/dev/null && echo 1 \|\| echo 0)
	95	endef
	96
	97	#
	98	# Build the feature check binaries in parallel, ignore errors, ignore return value and suppress output:
	99	#
	100	$(info Testing features:)
	101	$(shell make -i -j -C config/feature-checks >/dev/null 2>&1)
	102	$(info done)
	103
3ae069cf IM	104	FEATURE_TESTS = \
3ae069cf IM	105	hello \
90ac5422	106	stackprotector-all \
430be5ab	107	stackprotector \
c2510445	108	volatile-register-var \
1ea6f99e	109	fortify-source \
78e9d655	110	bionic \
8f7f8005	111	libelf \
e12762cf	112	glibc \
8295d4e2	113	dwarf \
8869b17e	114	libelf-mmap \
b7bcef6f	115	libelf-getphdrnum \
058f952d	116	libunwind \
d795a658	117	libaudit \
b9498b50	118	libslang \
7ef9e055	119	gtk2 \
c7a79e96	120	gtk2-infobar \
7181a671	121	libperl \
9734163b	122	libpython \
95d061c8	123	libpython-version \
d0707c91	124	strlcpy \
3b7646e4	125	libbfd \
34ef2162	126	on-exit \
3ae069cf	127	libnuma
b6aa9979 IM	128
	129	$(foreach test,$(FEATURE_TESTS),$(call feature_check,$(test),$(test)))
	130
90ac5422	131	ifeq ($(feature-stackprotector-all), 1)
8e1b3f68	132	CFLAGS += -fstack-protector-all
362493f0 JO	133	endif
362493f0 JO	134
430be5ab	135	ifeq ($(feature-stackprotector), 1)
8e1b3f68	136	CFLAGS += -Wstack-protector
362493f0 JO	137	endif
362493f0 JO	138
c2510445	139	ifeq ($(feature-volatile-register-var), 1)
8e1b3f68	140	CFLAGS += -Wvolatile-register-var
362493f0 JO	141	endif
	142
	143	ifndef PERF_DEBUG
1ea6f99e	144	ifeq ($(feature-fortify-source), 1)
8e1b3f68 JO	145	CFLAGS += -D_FORTIFY_SOURCE=2
8e1b3f68 JO	146	endif
362493f0 JO	147	endif
362493f0 JO	148
2fe73746 JO	149	CFLAGS += -I$(src-perf)/util/include
	150	CFLAGS += -I$(src-perf)/arch/$(ARCH)/include
	151	CFLAGS += -I$(srctree)/arch/$(ARCH)/include/uapi
	152	CFLAGS += -I$(srctree)/arch/$(ARCH)/include
	153	CFLAGS += -I$(srctree)/include/uapi
	154	CFLAGS += -I$(srctree)/include
7c53746e JO	155
	156	# $(obj-perf) for generated common-cmds.h
	157	# $(obj-perf)/util for generated bison/flex headers
	158	ifneq ($(OUTPUT),)
2fe73746 JO	159	CFLAGS += -I$(obj-perf)/util
2fe73746 JO	160	CFLAGS += -I$(obj-perf)
7c53746e JO	161	endif
7c53746e JO	162
2fe73746 JO	163	CFLAGS += -I$(src-perf)/util
2fe73746 JO	164	CFLAGS += -I$(src-perf)
4e319027	165	CFLAGS += -I$(LIB_INCLUDE)
7c53746e	166
2fe73746	167	CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
362493f0	168
4e22db46	169	ifndef NO_BIONIC
78e9d655 IM	170	$(feature_check,bionic)
	171	ifeq ($(feature-bionic), 1)
	172	BIONIC := 1
	173	EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
	174	EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
	175	endif
362493f0	176	endif
cf4cca10 JO	177
cf4cca10 JO	178	ifdef NO_LIBELF
8e1b3f68 JO	179	NO_DWARF := 1
	180	NO_DEMANGLE := 1
	181	NO_LIBUNWIND := 1
cf4cca10	182	else
8f7f8005	183	ifeq ($(feature-libelf), 0)
e12762cf	184	ifeq ($(feature-glibc), 1)
50eed7a7 IM	185	LIBC_SUPPORT := 1
	186	endif
	187	ifeq ($(BIONIC),1)
	188	LIBC_SUPPORT := 1
	189	endif
	190	ifeq ($(LIBC_SUPPORT),1)
	191	msg := $(warning No libelf found, disables 'probe' tool, please install elfutils-libelf-devel/libelf-dev);
	192
	193	NO_LIBELF := 1
	194	NO_DWARF := 1
	195	NO_DEMANGLE := 1
	196	else
	197	msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]/glibc-static);
	198	endif
8e1b3f68	199	else
50eed7a7 IM	200	# for linking with debug library, run like:
	201	# make DEBUG=1 LIBDW_DIR=/opt/libdw/
	202	ifdef LIBDW_DIR
	203	LIBDW_CFLAGS := -I$(LIBDW_DIR)/include
	204	LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
	205	endif
	206
8295d4e2	207	ifneq ($(feature-dwarf), 1)
50eed7a7 IM	208	msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
	209	NO_DWARF := 1
	210	endif # Dwarf support
	211	endif # SOURCE_LIBELF
cf4cca10 JO	212	endif # NO_LIBELF
	213
	214	ifndef NO_LIBELF
fb3d333b IM	215	CFLAGS += -DHAVE_LIBELF_SUPPORT
fb3d333b IM	216	FLAGS_LIBELF=$(CFLAGS) $(LDFLAGS) $(EXTLIBS)
779724fd	217
8869b17e	218	ifeq ($(feature-libelf-mmap), 1)
fb3d333b IM	219	CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
fb3d333b IM	220	endif
779724fd	221
b7bcef6f	222	ifeq ($(feature-libelf-getphdrnum), 1)
fb3d333b IM	223	CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
	224	endif
	225
	226	# include ARCH specific config
	227	-include $(src-perf)/arch/$(ARCH)/Makefile
779724fd	228
fb3d333b IM	229	ifndef NO_DWARF
	230	ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
	231	msg := $(warning DWARF register mappings have not been defined for architecture $(ARCH), DWARF support disabled);
	232	NO_DWARF := 1
	233	else
	234	CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
	235	LDFLAGS += $(LIBDW_LDFLAGS)
	236	EXTLIBS += -lelf -ldw
	237	endif # PERF_HAVE_DWARF_REGS
	238	endif # NO_DWARF
cf4cca10	239	endif # NO_LIBELF
0e433feb	240
1e9f7aad	241	ifndef NO_LIBELF
fb3d333b	242	CFLAGS += -DHAVE_LIBELF_SUPPORT
8869b17e	243	ifeq ($(feature-libelf-mmap), 1)
fb3d333b	244	CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
b7bcef6f	245	endif
1e9f7aad JO	246	endif # NO_LIBELF
1e9f7aad JO	247
0e433feb JO	248	# There's only x86 (both 32 and 64) support for CFI unwind so far
0e433feb JO	249	ifneq ($(ARCH),x86)
8e1b3f68	250	NO_LIBUNWIND := 1
0e433feb JO	251	endif
	252
	253	ifndef NO_LIBUNWIND
058f952d IM	254	#
	255	# For linking with debug library, run like:
	256	#
	257	# make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
	258	#
308e1e70 IM	259	ifdef LIBUNWIND_DIR
	260	LIBUNWIND_CFLAGS := -I$(LIBUNWIND_DIR)/include
	261	LIBUNWIND_LDFLAGS := -L$(LIBUNWIND_DIR)/lib
	262	endif
0e433feb	263
058f952d	264	ifneq ($(feature-libunwind), 1)
308e1e70 IM	265	msg := $(warning No libunwind found, disabling post unwind support. Please install libunwind-dev[el] >= 0.99);
	266	NO_LIBUNWIND := 1
	267	endif
	268	endif
0e433feb JO	269
0e433feb JO	270	ifndef NO_LIBUNWIND
89fe808a	271	CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
8e1b3f68 JO	272	EXTLIBS += $(LIBUNWIND_LIBS)
	273	CFLAGS += $(LIBUNWIND_CFLAGS)
	274	LDFLAGS += $(LIBUNWIND_LDFLAGS)
058f952d	275	endif
a8279525 JO	276
a8279525 JO	277	ifndef NO_LIBAUDIT
d795a658	278	ifneq ($(feature-libaudit), 1)
8e1b3f68 JO	279	msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
	280	NO_LIBAUDIT := 1
	281	else
89fe808a	282	CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
8e1b3f68 JO	283	EXTLIBS += -laudit
8e1b3f68 JO	284	endif
a8279525	285	endif
4a8f888a JO	286
4a8f888a JO	287	ifdef NO_NEWT
8e1b3f68	288	NO_SLANG=1
4a8f888a JO	289	endif
	290
	291	ifndef NO_SLANG
b9498b50	292	ifneq ($(feature-libslang), 1)
8e1b3f68 JO	293	msg := $(warning slang not found, disables TUI support. Please install slang-devel or libslang-dev);
	294	NO_SLANG := 1
	295	else
	296	# Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
	297	CFLAGS += -I/usr/include/slang
89fe808a	298	CFLAGS += -DHAVE_SLANG_SUPPORT
8e1b3f68 JO	299	EXTLIBS += -lslang
8e1b3f68 JO	300	endif
4a8f888a	301	endif
58cabf6a JO	302
58cabf6a JO	303	ifndef NO_GTK2
8e1b3f68	304	FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell pkg-config --libs --cflags gtk+-2.0 2>/dev/null)
7ef9e055	305	ifneq ($(feature-gtk2), 1)
8e1b3f68 JO	306	msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
	307	NO_GTK2 := 1
	308	else
c7a79e96	309	ifeq ($(feature-gtk2-infobar), 1)
89fe808a	310	CFLAGS += -DHAVE_GTK_INFO_BAR_SUPPORT
8e1b3f68	311	endif
89fe808a	312	CFLAGS += -DHAVE_GTK2_SUPPORT
8e1b3f68 JO	313	CFLAGS += $(shell pkg-config --cflags gtk+-2.0 2>/dev/null)
	314	EXTLIBS += $(shell pkg-config --libs gtk+-2.0 2>/dev/null)
	315	endif
58cabf6a	316	endif
3082cb33 JO	317
	318	grep-libs = $(filter -l%,$(1))
	319	strip-libs = $(filter-out -l%,$(1))
	320
	321	ifdef NO_LIBPERL
8e1b3f68	322	CFLAGS += -DNO_LIBPERL
3082cb33	323	else
8e1b3f68 JO	324	PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
	325	PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
	326	PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
	327	PERL_EMBED_CCOPTS = `perl -MExtUtils::Embed -e ccopts 2>/dev/null`
	328	FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
	329
7181a671	330	ifneq ($(feature-libperl), 1)
8e1b3f68 JO	331	CFLAGS += -DNO_LIBPERL
	332	NO_LIBPERL := 1
	333	else
	334	LDFLAGS += $(PERL_EMBED_LDFLAGS)
	335	EXTLIBS += $(PERL_EMBED_LIBADD)
	336	endif
3082cb33	337	endif
6e533cf1 JO	338
	339	disable-python = $(eval $(disable-python_code))
	340	define disable-python_code
9c12cf95	341	CFLAGS += -DNO_LIBPYTHON
6e533cf1 JO	342	$(if $(1),$(warning No $(1) was found))
	343	$(warning Python support will not be built)
	344	NO_LIBPYTHON := 1
	345	endef
	346
	347	override PYTHON := \
	348	$(call get-executable-or-default,PYTHON,python)
	349
	350	ifndef PYTHON
	351	$(call disable-python,python interpreter)
	352	else
	353
	354	PYTHON_WORD := $(call shell-wordify,$(PYTHON))
	355
	356	ifdef NO_LIBPYTHON
	357	$(call disable-python)
	358	else
	359
	360	override PYTHON_CONFIG := \
	361	$(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON)-config)
	362
	363	ifndef PYTHON_CONFIG
	364	$(call disable-python,python-config tool)
	365	else
	366
	367	PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
	368
	369	PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
	370	PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
	371	PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS))
	372	PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
	373	FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
	374
9734163b	375	ifneq ($(feature-libpython), 1)
6e533cf1 JO	376	$(call disable-python,Python.h (for Python 2.x))
	377	else
	378
95d061c8	379	ifneq ($(feature-libpython-version), 1)
6e533cf1 JO	380	$(warning Python 3 is not yet supported; please set)
	381	$(warning PYTHON and/or PYTHON_CONFIG appropriately.)
	382	$(warning If you also have Python 2 installed, then)
	383	$(warning try something like:)
	384	$(warning $(and ,))
	385	$(warning $(and ,) make PYTHON=python2)
	386	$(warning $(and ,))
	387	$(warning Otherwise, disable Python support entirely:)
	388	$(warning $(and ,))
	389	$(warning $(and ,) make NO_LIBPYTHON=1)
	390	$(warning $(and ,))
	391	$(error $(and ,))
	392	else
1e9f7aad	393	LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
6e533cf1	394	EXTLIBS += $(PYTHON_EMBED_LIBADD)
7c53746e	395	LANG_BINDINGS += $(obj-perf)python/perf.so
6e533cf1 JO	396	endif
	397	endif
	398	endif
	399	endif
	400	endif
c3cf8368 JO	401
c3cf8368 JO	402	ifdef NO_DEMANGLE
8e1b3f68	403	CFLAGS += -DNO_DEMANGLE
c3cf8368	404	else
89fe808a	405	ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
8e1b3f68	406	EXTLIBS += -liberty
89fe808a	407	CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
8e1b3f68 JO	408	else
8e1b3f68 JO	409	FLAGS_BFD=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) -DPACKAGE='perf' -lbfd
3b7646e4	410	ifeq ($(feature-libbfd), 1)
8e1b3f68 JO	411	EXTLIBS += -lbfd
	412	else
	413	FLAGS_BFD_IBERTY=$(FLAGS_BFD) -liberty
	414	has_bfd_iberty := $(call try-cc,$(SOURCE_BFD),$(FLAGS_BFD_IBERTY),liberty)
	415	ifeq ($(has_bfd_iberty),y)
	416	EXTLIBS += -lbfd -liberty
	417	else
	418	FLAGS_BFD_IBERTY_Z=$(FLAGS_BFD_IBERTY) -lz
	419	has_bfd_iberty_z := $(call try-cc,$(SOURCE_BFD),$(FLAGS_BFD_IBERTY_Z),libz)
	420	ifeq ($(has_bfd_iberty_z),y)
	421	EXTLIBS += -lbfd -liberty -lz
	422	else
	423	FLAGS_CPLUS_DEMANGLE=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) -liberty
	424	has_cplus_demangle := $(call try-cc,$(SOURCE_CPLUS_DEMANGLE),$(FLAGS_CPLUS_DEMANGLE),demangle)
	425	ifeq ($(has_cplus_demangle),y)
	426	EXTLIBS += -liberty
89fe808a	427	CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
8e1b3f68 JO	428	else
	429	msg := $(warning No bfd.h/libbfd found, install binutils-dev[el]/zlib-static to gain symbol demangling)
	430	CFLAGS += -DNO_DEMANGLE
	431	endif
	432	endif
	433	endif
	434	endif
	435	endif
c3cf8368	436	endif
a1c7c9e7 JO	437
a1c7c9e7 JO	438	ifndef NO_STRLCPY
d0707c91	439	ifeq ($(feature-strlcpy), 1)
89fe808a	440	CFLAGS += -DHAVE_STRLCPY_SUPPORT
8e1b3f68	441	endif
a1c7c9e7 JO	442	endif
	443
	444	ifndef NO_ON_EXIT
34ef2162	445	ifeq ($(feature-on-exit), 1)
89fe808a	446	CFLAGS += -DHAVE_ON_EXIT_SUPPORT
8e1b3f68	447	endif
a1c7c9e7 JO	448	endif
	449
	450	ifndef NO_BACKTRACE
89fe808a IM	451	ifeq ($(call try-cc,$(SOURCE_BACKTRACE),,-DHAVE_BACKTRACE_SUPPORT),y)
89fe808a IM	452	CFLAGS += -DHAVE_BACKTRACE_SUPPORT
8e1b3f68	453	endif
a1c7c9e7	454	endif
58a0abd7 JO	455
58a0abd7 JO	456	ifndef NO_LIBNUMA
3ae069cf	457	ifeq ($(feature-libnuma), 0)
8e1b3f68 JO	458	msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numa-libs-devel or libnuma-dev);
	459	NO_LIBNUMA := 1
	460	else
89fe808a	461	CFLAGS += -DHAVE_LIBNUMA_SUPPORT
8e1b3f68 JO	462	EXTLIBS += -lnuma
8e1b3f68 JO	463	endif
58a0abd7	464	endif
cd1c39f2 JO	465
	466	# Among the variables below, these:
	467	# perfexecdir
	468	# template_dir
	469	# mandir
	470	# infodir
	471	# htmldir
	472	# ETC_PERFCONFIG (but not sysconfdir)
	473	# can be specified as a relative path some/where/else;
	474	# this is interpreted as relative to $(prefix) and "perf" at
	475	# runtime figures out where they are based on the path to the executable.
	476	# This can help installing the suite in a relocatable way.
	477
	478	# Make the path relative to DESTDIR, not to prefix
	479	ifndef DESTDIR
	480	prefix = $(HOME)
	481	endif
	482	bindir_relative = bin
	483	bindir = $(prefix)/$(bindir_relative)
	484	mandir = share/man
	485	infodir = share/info
	486	perfexecdir = libexec/perf-core
	487	sharedir = $(prefix)/share
	488	template_dir = share/perf-core/templates
	489	htmldir = share/doc/perf-doc
	490	ifeq ($(prefix),/usr)
	491	sysconfdir = /etc
	492	ETC_PERFCONFIG = $(sysconfdir)/perfconfig
	493	else
	494	sysconfdir = $(prefix)/etc
	495	ETC_PERFCONFIG = etc/perfconfig
	496	endif
	497	lib = lib
	498
	499	# Shell quote (do not use $(call) to accommodate ancient setups);
	500	ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
	501	DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
	502	bindir_SQ = $(subst ','\'',$(bindir))
	503	mandir_SQ = $(subst ','\'',$(mandir))
	504	infodir_SQ = $(subst ','\'',$(infodir))
	505	perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
	506	template_dir_SQ = $(subst ','\'',$(template_dir))
	507	htmldir_SQ = $(subst ','\'',$(htmldir))
	508	prefix_SQ = $(subst ','\'',$(prefix))
	509	sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
	510
	511	ifneq ($(filter /%,$(firstword $(perfexecdir))),)
	512	perfexec_instdir = $(perfexecdir)
	513	else
	514	perfexec_instdir = $(prefix)/$(perfexecdir)
	515	endif
	516	perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))