[mirror_ubuntu-bionic-kernel.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			\
	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 ($(call try-cc,$(SOURCE_ELF_GETPHDRNUM),$(FLAGS_LIBELF),-DHAVE_ELF_GETPHDRNUM_SUPPORT),y)
    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 # try-cc
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

FLAGS_UNWIND=$(LIBUNWIND_CFLAGS) $(CFLAGS) $(LIBUNWIND_LDFLAGS) $(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
endif # Libunwind support
endif # NO_LIBUNWIND

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

ifndef NO_LIBAUDIT
  FLAGS_LIBAUDIT = $(CFLAGS) $(LDFLAGS) -laudit
  ifneq ($(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
    CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
    EXTLIBS += -laudit
  endif
endif

ifdef NO_NEWT
  NO_SLANG=1
endif

ifndef NO_SLANG
  FLAGS_SLANG=$(CFLAGS) $(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
    CFLAGS += -I/usr/include/slang
    CFLAGS += -DHAVE_SLANG_SUPPORT
    EXTLIBS += -lslang
  endif
endif

ifndef NO_GTK2
  FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell pkg-config --libs --cflags gtk+-2.0 2>/dev/null)
  ifneq ($(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_SUPPORT),y)
      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 ($(call try-cc,$(SOURCE_PERL_EMBED),$(FLAGS_PERL_EMBED),perl),y)
    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 ($(call try-cc,$(SOURCE_PYTHON_EMBED),$(FLAGS_PYTHON_EMBED),python),y)
        $(call disable-python,Python.h (for Python 2.x))
      else

        ifneq ($(call try-cc,$(SOURCE_PYTHON_VERSION),$(FLAGS_PYTHON_EMBED),python version),y)
          $(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
    has_bfd := $(call try-cc,$(SOURCE_BFD),$(FLAGS_BFD),libbfd)
    ifeq ($(has_bfd),y)
      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 ($(call try-cc,$(SOURCE_STRLCPY),,-DHAVE_STRLCPY_SUPPORT),y)
    CFLAGS += -DHAVE_STRLCPY_SUPPORT
  endif
endif

ifndef NO_ON_EXIT
  ifeq ($(call try-cc,$(SOURCE_ON_EXIT),,-DHAVE_ON_EXIT_SUPPORT),y)
    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 \
3ae069cf	115	libnuma
b6aa9979 IM	116
	117	$(foreach test,$(FEATURE_TESTS),$(call feature_check,$(test),$(test)))
	118
90ac5422	119	ifeq ($(feature-stackprotector-all), 1)
8e1b3f68	120	CFLAGS += -fstack-protector-all
362493f0 JO	121	endif
362493f0 JO	122
430be5ab	123	ifeq ($(feature-stackprotector), 1)
8e1b3f68	124	CFLAGS += -Wstack-protector
362493f0 JO	125	endif
362493f0 JO	126
c2510445	127	ifeq ($(feature-volatile-register-var), 1)
8e1b3f68	128	CFLAGS += -Wvolatile-register-var
362493f0 JO	129	endif
	130
	131	ifndef PERF_DEBUG
1ea6f99e	132	ifeq ($(feature-fortify-source), 1)
8e1b3f68 JO	133	CFLAGS += -D_FORTIFY_SOURCE=2
8e1b3f68 JO	134	endif
362493f0 JO	135	endif
362493f0 JO	136
2fe73746 JO	137	CFLAGS += -I$(src-perf)/util/include
	138	CFLAGS += -I$(src-perf)/arch/$(ARCH)/include
	139	CFLAGS += -I$(srctree)/arch/$(ARCH)/include/uapi
	140	CFLAGS += -I$(srctree)/arch/$(ARCH)/include
	141	CFLAGS += -I$(srctree)/include/uapi
	142	CFLAGS += -I$(srctree)/include
7c53746e JO	143
	144	# $(obj-perf) for generated common-cmds.h
	145	# $(obj-perf)/util for generated bison/flex headers
	146	ifneq ($(OUTPUT),)
2fe73746 JO	147	CFLAGS += -I$(obj-perf)/util
2fe73746 JO	148	CFLAGS += -I$(obj-perf)
7c53746e JO	149	endif
7c53746e JO	150
2fe73746 JO	151	CFLAGS += -I$(src-perf)/util
2fe73746 JO	152	CFLAGS += -I$(src-perf)
4e319027	153	CFLAGS += -I$(LIB_INCLUDE)
7c53746e	154
2fe73746	155	CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
362493f0	156
4e22db46	157	ifndef NO_BIONIC
78e9d655 IM	158	$(feature_check,bionic)
	159	ifeq ($(feature-bionic), 1)
	160	BIONIC := 1
	161	EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
	162	EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
	163	endif
362493f0	164	endif
cf4cca10 JO	165
cf4cca10 JO	166	ifdef NO_LIBELF
8e1b3f68 JO	167	NO_DWARF := 1
	168	NO_DEMANGLE := 1
	169	NO_LIBUNWIND := 1
cf4cca10	170	else
8f7f8005	171	ifeq ($(feature-libelf), 0)
e12762cf	172	ifeq ($(feature-glibc), 1)
50eed7a7 IM	173	LIBC_SUPPORT := 1
	174	endif
	175	ifeq ($(BIONIC),1)
	176	LIBC_SUPPORT := 1
	177	endif
	178	ifeq ($(LIBC_SUPPORT),1)
	179	msg := $(warning No libelf found, disables 'probe' tool, please install elfutils-libelf-devel/libelf-dev);
	180
	181	NO_LIBELF := 1
	182	NO_DWARF := 1
	183	NO_DEMANGLE := 1
	184	else
	185	msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]/glibc-static);
	186	endif
8e1b3f68	187	else
50eed7a7 IM	188	# for linking with debug library, run like:
	189	# make DEBUG=1 LIBDW_DIR=/opt/libdw/
	190	ifdef LIBDW_DIR
	191	LIBDW_CFLAGS := -I$(LIBDW_DIR)/include
	192	LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
	193	endif
	194
8295d4e2	195	ifneq ($(feature-dwarf), 1)
50eed7a7 IM	196	msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
	197	NO_DWARF := 1
	198	endif # Dwarf support
	199	endif # SOURCE_LIBELF
cf4cca10 JO	200	endif # NO_LIBELF
	201
	202	ifndef NO_LIBELF
fb3d333b IM	203	CFLAGS += -DHAVE_LIBELF_SUPPORT
fb3d333b IM	204	FLAGS_LIBELF=$(CFLAGS) $(LDFLAGS) $(EXTLIBS)
779724fd	205
8869b17e	206	ifeq ($(feature-libelf-mmap), 1)
fb3d333b IM	207	CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
fb3d333b IM	208	endif
779724fd	209
fb3d333b IM	210	ifeq ($(call try-cc,$(SOURCE_ELF_GETPHDRNUM),$(FLAGS_LIBELF),-DHAVE_ELF_GETPHDRNUM_SUPPORT),y)
	211	CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
	212	endif
	213
	214	# include ARCH specific config
	215	-include $(src-perf)/arch/$(ARCH)/Makefile
779724fd	216
fb3d333b IM	217	ifndef NO_DWARF
	218	ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
	219	msg := $(warning DWARF register mappings have not been defined for architecture $(ARCH), DWARF support disabled);
	220	NO_DWARF := 1
	221	else
	222	CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
	223	LDFLAGS += $(LIBDW_LDFLAGS)
	224	EXTLIBS += -lelf -ldw
	225	endif # PERF_HAVE_DWARF_REGS
	226	endif # NO_DWARF
cf4cca10	227	endif # NO_LIBELF
0e433feb	228
1e9f7aad	229	ifndef NO_LIBELF
fb3d333b	230	CFLAGS += -DHAVE_LIBELF_SUPPORT
8869b17e	231	ifeq ($(feature-libelf-mmap), 1)
fb3d333b IM	232	CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
fb3d333b IM	233	endif # try-cc
1e9f7aad JO	234	endif # NO_LIBELF
1e9f7aad JO	235
0e433feb JO	236	# There's only x86 (both 32 and 64) support for CFI unwind so far
0e433feb JO	237	ifneq ($(ARCH),x86)
8e1b3f68	238	NO_LIBUNWIND := 1
0e433feb JO	239	endif
	240
	241	ifndef NO_LIBUNWIND
	242	# for linking with debug library, run like:
	243	# make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
	244	ifdef LIBUNWIND_DIR
8e1b3f68 JO	245	LIBUNWIND_CFLAGS := -I$(LIBUNWIND_DIR)/include
8e1b3f68 JO	246	LIBUNWIND_LDFLAGS := -L$(LIBUNWIND_DIR)/lib
0e433feb JO	247	endif
0e433feb JO	248
1e9f7aad	249	FLAGS_UNWIND=$(LIBUNWIND_CFLAGS) $(CFLAGS) $(LIBUNWIND_LDFLAGS) $(LDFLAGS) $(EXTLIBS) $(LIBUNWIND_LIBS)
0e433feb	250	ifneq ($(call try-cc,$(SOURCE_LIBUNWIND),$(FLAGS_UNWIND),libunwind),y)
8e1b3f68 JO	251	msg := $(warning No libunwind found, disabling post unwind support. Please install libunwind-dev[el] >= 0.99);
8e1b3f68 JO	252	NO_LIBUNWIND := 1
0e433feb JO	253	endif # Libunwind support
	254	endif # NO_LIBUNWIND
	255
	256	ifndef NO_LIBUNWIND
89fe808a	257	CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
8e1b3f68 JO	258	EXTLIBS += $(LIBUNWIND_LIBS)
	259	CFLAGS += $(LIBUNWIND_CFLAGS)
	260	LDFLAGS += $(LIBUNWIND_LDFLAGS)
0e433feb	261	endif # NO_LIBUNWIND
a8279525 JO	262
a8279525 JO	263	ifndef NO_LIBAUDIT
8e1b3f68 JO	264	FLAGS_LIBAUDIT = $(CFLAGS) $(LDFLAGS) -laudit
	265	ifneq ($(call try-cc,$(SOURCE_LIBAUDIT),$(FLAGS_LIBAUDIT),libaudit),y)
	266	msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
	267	NO_LIBAUDIT := 1
	268	else
89fe808a	269	CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
8e1b3f68 JO	270	EXTLIBS += -laudit
8e1b3f68 JO	271	endif
a8279525	272	endif
4a8f888a JO	273
4a8f888a JO	274	ifdef NO_NEWT
8e1b3f68	275	NO_SLANG=1
4a8f888a JO	276	endif
	277
	278	ifndef NO_SLANG
8e1b3f68 JO	279	FLAGS_SLANG=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) -I/usr/include/slang -lslang
	280	ifneq ($(call try-cc,$(SOURCE_SLANG),$(FLAGS_SLANG),libslang),y)
	281	msg := $(warning slang not found, disables TUI support. Please install slang-devel or libslang-dev);
	282	NO_SLANG := 1
	283	else
	284	# Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
	285	CFLAGS += -I/usr/include/slang
89fe808a	286	CFLAGS += -DHAVE_SLANG_SUPPORT
8e1b3f68 JO	287	EXTLIBS += -lslang
8e1b3f68 JO	288	endif
4a8f888a	289	endif
58cabf6a JO	290
58cabf6a JO	291	ifndef NO_GTK2
8e1b3f68 JO	292	FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell pkg-config --libs --cflags gtk+-2.0 2>/dev/null)
	293	ifneq ($(call try-cc,$(SOURCE_GTK2),$(FLAGS_GTK2),gtk2),y)
	294	msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
	295	NO_GTK2 := 1
	296	else
89fe808a IM	297	ifeq ($(call try-cc,$(SOURCE_GTK2_INFOBAR),$(FLAGS_GTK2),-DHAVE_GTK_INFO_BAR_SUPPORT),y)
89fe808a IM	298	CFLAGS += -DHAVE_GTK_INFO_BAR_SUPPORT
8e1b3f68	299	endif
89fe808a	300	CFLAGS += -DHAVE_GTK2_SUPPORT
8e1b3f68 JO	301	CFLAGS += $(shell pkg-config --cflags gtk+-2.0 2>/dev/null)
	302	EXTLIBS += $(shell pkg-config --libs gtk+-2.0 2>/dev/null)
	303	endif
58cabf6a	304	endif
3082cb33 JO	305
	306	grep-libs = $(filter -l%,$(1))
	307	strip-libs = $(filter-out -l%,$(1))
	308
	309	ifdef NO_LIBPERL
8e1b3f68	310	CFLAGS += -DNO_LIBPERL
3082cb33	311	else
8e1b3f68 JO	312	PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
	313	PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
	314	PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
	315	PERL_EMBED_CCOPTS = `perl -MExtUtils::Embed -e ccopts 2>/dev/null`
	316	FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
	317
	318	ifneq ($(call try-cc,$(SOURCE_PERL_EMBED),$(FLAGS_PERL_EMBED),perl),y)
	319	CFLAGS += -DNO_LIBPERL
	320	NO_LIBPERL := 1
	321	else
	322	LDFLAGS += $(PERL_EMBED_LDFLAGS)
	323	EXTLIBS += $(PERL_EMBED_LIBADD)
	324	endif
3082cb33	325	endif
6e533cf1 JO	326
	327	disable-python = $(eval $(disable-python_code))
	328	define disable-python_code
9c12cf95	329	CFLAGS += -DNO_LIBPYTHON
6e533cf1 JO	330	$(if $(1),$(warning No $(1) was found))
	331	$(warning Python support will not be built)
	332	NO_LIBPYTHON := 1
	333	endef
	334
	335	override PYTHON := \
	336	$(call get-executable-or-default,PYTHON,python)
	337
	338	ifndef PYTHON
	339	$(call disable-python,python interpreter)
	340	else
	341
	342	PYTHON_WORD := $(call shell-wordify,$(PYTHON))
	343
	344	ifdef NO_LIBPYTHON
	345	$(call disable-python)
	346	else
	347
	348	override PYTHON_CONFIG := \
	349	$(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON)-config)
	350
	351	ifndef PYTHON_CONFIG
	352	$(call disable-python,python-config tool)
	353	else
	354
	355	PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
	356
	357	PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
	358	PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
	359	PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS))
	360	PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
	361	FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
	362
	363	ifneq ($(call try-cc,$(SOURCE_PYTHON_EMBED),$(FLAGS_PYTHON_EMBED),python),y)
	364	$(call disable-python,Python.h (for Python 2.x))
	365	else
	366
	367	ifneq ($(call try-cc,$(SOURCE_PYTHON_VERSION),$(FLAGS_PYTHON_EMBED),python version),y)
	368	$(warning Python 3 is not yet supported; please set)
	369	$(warning PYTHON and/or PYTHON_CONFIG appropriately.)
	370	$(warning If you also have Python 2 installed, then)
	371	$(warning try something like:)
	372	$(warning $(and ,))
	373	$(warning $(and ,) make PYTHON=python2)
	374	$(warning $(and ,))
	375	$(warning Otherwise, disable Python support entirely:)
	376	$(warning $(and ,))
	377	$(warning $(and ,) make NO_LIBPYTHON=1)
	378	$(warning $(and ,))
	379	$(error $(and ,))
	380	else
1e9f7aad	381	LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
6e533cf1	382	EXTLIBS += $(PYTHON_EMBED_LIBADD)
7c53746e	383	LANG_BINDINGS += $(obj-perf)python/perf.so
6e533cf1 JO	384	endif
	385	endif
	386	endif
	387	endif
	388	endif
c3cf8368 JO	389
c3cf8368 JO	390	ifdef NO_DEMANGLE
8e1b3f68	391	CFLAGS += -DNO_DEMANGLE
c3cf8368	392	else
89fe808a	393	ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
8e1b3f68	394	EXTLIBS += -liberty
89fe808a	395	CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
8e1b3f68 JO	396	else
	397	FLAGS_BFD=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) -DPACKAGE='perf' -lbfd
	398	has_bfd := $(call try-cc,$(SOURCE_BFD),$(FLAGS_BFD),libbfd)
	399	ifeq ($(has_bfd),y)
	400	EXTLIBS += -lbfd
	401	else
	402	FLAGS_BFD_IBERTY=$(FLAGS_BFD) -liberty
	403	has_bfd_iberty := $(call try-cc,$(SOURCE_BFD),$(FLAGS_BFD_IBERTY),liberty)
	404	ifeq ($(has_bfd_iberty),y)
	405	EXTLIBS += -lbfd -liberty
	406	else
	407	FLAGS_BFD_IBERTY_Z=$(FLAGS_BFD_IBERTY) -lz
	408	has_bfd_iberty_z := $(call try-cc,$(SOURCE_BFD),$(FLAGS_BFD_IBERTY_Z),libz)
	409	ifeq ($(has_bfd_iberty_z),y)
	410	EXTLIBS += -lbfd -liberty -lz
	411	else
	412	FLAGS_CPLUS_DEMANGLE=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) -liberty
	413	has_cplus_demangle := $(call try-cc,$(SOURCE_CPLUS_DEMANGLE),$(FLAGS_CPLUS_DEMANGLE),demangle)
	414	ifeq ($(has_cplus_demangle),y)
	415	EXTLIBS += -liberty
89fe808a	416	CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
8e1b3f68 JO	417	else
	418	msg := $(warning No bfd.h/libbfd found, install binutils-dev[el]/zlib-static to gain symbol demangling)
	419	CFLAGS += -DNO_DEMANGLE
	420	endif
	421	endif
	422	endif
	423	endif
	424	endif
c3cf8368	425	endif
a1c7c9e7 JO	426
a1c7c9e7 JO	427	ifndef NO_STRLCPY
89fe808a IM	428	ifeq ($(call try-cc,$(SOURCE_STRLCPY),,-DHAVE_STRLCPY_SUPPORT),y)
89fe808a IM	429	CFLAGS += -DHAVE_STRLCPY_SUPPORT
8e1b3f68	430	endif
a1c7c9e7 JO	431	endif
	432
	433	ifndef NO_ON_EXIT
89fe808a IM	434	ifeq ($(call try-cc,$(SOURCE_ON_EXIT),,-DHAVE_ON_EXIT_SUPPORT),y)
89fe808a IM	435	CFLAGS += -DHAVE_ON_EXIT_SUPPORT
8e1b3f68	436	endif
a1c7c9e7 JO	437	endif
	438
	439	ifndef NO_BACKTRACE
89fe808a IM	440	ifeq ($(call try-cc,$(SOURCE_BACKTRACE),,-DHAVE_BACKTRACE_SUPPORT),y)
89fe808a IM	441	CFLAGS += -DHAVE_BACKTRACE_SUPPORT
8e1b3f68	442	endif
a1c7c9e7	443	endif
58a0abd7 JO	444
58a0abd7 JO	445	ifndef NO_LIBNUMA
3ae069cf	446	ifeq ($(feature-libnuma), 0)
8e1b3f68 JO	447	msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numa-libs-devel or libnuma-dev);
	448	NO_LIBNUMA := 1
	449	else
89fe808a	450	CFLAGS += -DHAVE_LIBNUMA_SUPPORT
8e1b3f68 JO	451	EXTLIBS += -lnuma
8e1b3f68 JO	452	endif
58a0abd7	453	endif
cd1c39f2 JO	454
	455	# Among the variables below, these:
	456	# perfexecdir
	457	# template_dir
	458	# mandir
	459	# infodir
	460	# htmldir
	461	# ETC_PERFCONFIG (but not sysconfdir)
	462	# can be specified as a relative path some/where/else;
	463	# this is interpreted as relative to $(prefix) and "perf" at
	464	# runtime figures out where they are based on the path to the executable.
	465	# This can help installing the suite in a relocatable way.
	466
	467	# Make the path relative to DESTDIR, not to prefix
	468	ifndef DESTDIR
	469	prefix = $(HOME)
	470	endif
	471	bindir_relative = bin
	472	bindir = $(prefix)/$(bindir_relative)
	473	mandir = share/man
	474	infodir = share/info
	475	perfexecdir = libexec/perf-core
	476	sharedir = $(prefix)/share
	477	template_dir = share/perf-core/templates
	478	htmldir = share/doc/perf-doc
	479	ifeq ($(prefix),/usr)
	480	sysconfdir = /etc
	481	ETC_PERFCONFIG = $(sysconfdir)/perfconfig
	482	else
	483	sysconfdir = $(prefix)/etc
	484	ETC_PERFCONFIG = etc/perfconfig
	485	endif
	486	lib = lib
	487
	488	# Shell quote (do not use $(call) to accommodate ancient setups);
	489	ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
	490	DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
	491	bindir_SQ = $(subst ','\'',$(bindir))
	492	mandir_SQ = $(subst ','\'',$(mandir))
	493	infodir_SQ = $(subst ','\'',$(infodir))
	494	perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
	495	template_dir_SQ = $(subst ','\'',$(template_dir))
	496	htmldir_SQ = $(subst ','\'',$(htmldir))
	497	prefix_SQ = $(subst ','\'',$(prefix))
	498	sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
	499
	500	ifneq ($(filter /%,$(firstword $(perfexecdir))),)
	501	perfexec_instdir = $(perfexecdir)
	502	else
	503	perfexec_instdir = $(prefix)/$(perfexecdir)
	504	endif
	505	perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))