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      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/ \
      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/ )
      8 NO_PERF_REGS := 1
      9 CFLAGS := $(EXTRA_CFLAGS) $(EXTRA_WARNINGS)
     10 
     11 # Additional ARCH settings for x86
     12 ifeq ($(ARCH),i386)
     13   override ARCH := x86
     14   NO_PERF_REGS := 0
     15   LIBUNWIND_LIBS = -lunwind -lunwind-x86
     16 endif
     17 
     18 ifeq ($(ARCH),x86_64)
     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
     26     CFLAGS += -DARCH_X86_64
     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
     31 endif
     32 
     33 ifeq ($(NO_PERF_REGS),0)
     34   CFLAGS += -DHAVE_PERF_REGS
     35 endif
     36 
     37 ifeq ($(src-perf),)
     38 src-perf := $(srctree)/tools/perf
     39 endif
     40 
     41 ifeq ($(obj-perf),)
     42 obj-perf := $(OUTPUT)
     43 endif
     44 
     45 ifneq ($(obj-perf),)
     46 obj-perf := $(abspath $(obj-perf))/
     47 endif
     48 
     49 LIB_INCLUDE := $(srctree)/tools/lib/
     50 
     51 # include ARCH specific config
     52 -include $(src-perf)/arch/$(ARCH)/Makefile
     53 
     54 include $(src-perf)/config/feature-tests.mak
     55 include $(src-perf)/config/utilities.mak
     56 
     57 ifeq ($(call get-executable,$(FLEX)),)
     58   dummy := $(error Error: $(FLEX) is missing on this system, please install it)
     59 endif
     60 
     61 ifeq ($(call get-executable,$(BISON)),)
     62   dummy := $(error Error: $(BISON) is missing on this system, please install it)
     63 endif
     64 
     65 # Treat warnings as errors unless directed not to
     66 ifneq ($(WERROR),0)
     67   CFLAGS += -Werror
     68 endif
     69 
     70 ifeq ("$(origin DEBUG)", "command line")
     71   PERF_DEBUG = $(DEBUG)
     72 endif
     73 ifndef PERF_DEBUG
     74   CFLAGS += -O6
     75 endif
     76 
     77 ifdef PARSER_DEBUG
     78   PARSER_DEBUG_BISON := -t
     79   PARSER_DEBUG_FLEX  := -d
     80   CFLAGS             += -DPARSER_DEBUG
     81 endif
     82 
     83 CFLAGS += -fno-omit-frame-pointer
     84 CFLAGS += -ggdb3
     85 CFLAGS += -funwind-tables
     86 CFLAGS += -Wall
     87 CFLAGS += -Wextra
     88 CFLAGS += -std=gnu99
     89 
     90 EXTLIBS = -lelf -lpthread -lrt -lm -ldl
     91 
     92 ifeq ($(call try-cc,$(SOURCE_HELLO),$(CFLAGS) -Werror -fstack-protector-all,-fstack-protector-all),y)
     93   CFLAGS += -fstack-protector-all
     94 endif
     95 
     96 ifeq ($(call try-cc,$(SOURCE_HELLO),$(CFLAGS) -Werror -Wstack-protector,-Wstack-protector),y)
     97   CFLAGS += -Wstack-protector
     98 endif
     99 
    100 ifeq ($(call try-cc,$(SOURCE_HELLO),$(CFLAGS) -Werror -Wvolatile-register-var,-Wvolatile-register-var),y)
    101   CFLAGS += -Wvolatile-register-var
    102 endif
    103 
    104 ifndef PERF_DEBUG
    105   ifeq ($(call try-cc,$(SOURCE_HELLO),$(CFLAGS) -D_FORTIFY_SOURCE=2,-D_FORTIFY_SOURCE=2),y)
    106     CFLAGS += -D_FORTIFY_SOURCE=2
    107   endif
    108 endif
    109 
    110 CFLAGS += -I$(src-perf)/util/include
    111 CFLAGS += -I$(src-perf)/arch/$(ARCH)/include
    112 CFLAGS += -I$(srctree)/arch/$(ARCH)/include/uapi
    113 CFLAGS += -I$(srctree)/arch/$(ARCH)/include
    114 CFLAGS += -I$(srctree)/include/uapi
    115 CFLAGS += -I$(srctree)/include
    116 
    117 # $(obj-perf)      for generated common-cmds.h
    118 # $(obj-perf)/util for generated bison/flex headers
    119 ifneq ($(OUTPUT),)
    120 CFLAGS += -I$(obj-perf)/util
    121 CFLAGS += -I$(obj-perf)
    122 endif
    123 
    124 CFLAGS += -I$(src-perf)/util
    125 CFLAGS += -I$(src-perf)
    126 CFLAGS += -I$(LIB_INCLUDE)
    127 
    128 CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
    129 
    130 ifndef NO_BIONIC
    131 ifeq ($(call try-cc,$(SOURCE_BIONIC),$(CFLAGS),bionic),y)
    132   BIONIC := 1
    133   EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
    134   EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
    135 endif
    136 endif # NO_BIONIC
    137 
    138 ifdef NO_LIBELF
    139   NO_DWARF := 1
    140   NO_DEMANGLE := 1
    141   NO_LIBUNWIND := 1
    142 else
    143 FLAGS_LIBELF=$(CFLAGS) $(LDFLAGS) $(EXTLIBS)
    144 ifneq ($(call try-cc,$(SOURCE_LIBELF),$(FLAGS_LIBELF),libelf),y)
    145   FLAGS_GLIBC=$(CFLAGS) $(LDFLAGS)
    146   ifeq ($(call try-cc,$(SOURCE_GLIBC),$(FLAGS_GLIBC),glibc),y)
    147     LIBC_SUPPORT := 1
    148   endif
    149   ifeq ($(BIONIC),1)
    150     LIBC_SUPPORT := 1
    151   endif
    152   ifeq ($(LIBC_SUPPORT),1)
    153     msg := $(warning No libelf found, disables 'probe' tool, please install elfutils-libelf-devel/libelf-dev);
    154 
    155     NO_LIBELF := 1
    156     NO_DWARF := 1
    157     NO_DEMANGLE := 1
    158   else
    159     msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]/glibc-static);
    160   endif
    161 else
    162   # for linking with debug library, run like:
    163   # make DEBUG=1 LIBDW_DIR=/opt/libdw/
    164   ifdef LIBDW_DIR
    165     LIBDW_CFLAGS  := -I$(LIBDW_DIR)/include
    166     LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
    167   endif
    168 
    169   FLAGS_DWARF=$(CFLAGS) $(LIBDW_CFLAGS) -ldw -lz -lelf $(LIBDW_LDFLAGS) $(LDFLAGS) $(EXTLIBS)
    170   ifneq ($(call try-cc,$(SOURCE_DWARF),$(FLAGS_DWARF),libdw),y)
    171     msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
    172     NO_DWARF := 1
    173   endif # Dwarf support
    174 endif # SOURCE_LIBELF
    175 endif # NO_LIBELF
    176 
    177 ifndef NO_LIBELF
    178 CFLAGS += -DLIBELF_SUPPORT
    179 FLAGS_LIBELF=$(CFLAGS) $(LDFLAGS) $(EXTLIBS)
    180 ifeq ($(call try-cc,$(SOURCE_ELF_MMAP),$(FLAGS_LIBELF),-DLIBELF_MMAP),y)
    181   CFLAGS += -DLIBELF_MMAP
    182 endif
    183 ifeq ($(call try-cc,$(SOURCE_ELF_GETPHDRNUM),$(FLAGS_LIBELF),-DHAVE_ELF_GETPHDRNUM),y)
    184   CFLAGS += -DHAVE_ELF_GETPHDRNUM
    185 endif
    186 
    187 # include ARCH specific config
    188 -include $(src-perf)/arch/$(ARCH)/Makefile
    189 
    190 ifndef NO_DWARF
    191 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
    192   msg := $(warning DWARF register mappings have not been defined for architecture $(ARCH), DWARF support disabled);
    193   NO_DWARF := 1
    194 else
    195   CFLAGS += -DDWARF_SUPPORT $(LIBDW_CFLAGS)
    196   LDFLAGS += $(LIBDW_LDFLAGS)
    197   EXTLIBS += -lelf -ldw
    198 endif # PERF_HAVE_DWARF_REGS
    199 endif # NO_DWARF
    200 
    201 endif # NO_LIBELF
    202 
    203 ifndef NO_LIBELF
    204 CFLAGS += -DLIBELF_SUPPORT
    205 FLAGS_LIBELF=$(CFLAGS) $(LDFLAGS) $(EXTLIBS)
    206 ifeq ($(call try-cc,$(SOURCE_ELF_MMAP),$(FLAGS_LIBELF),-DLIBELF_MMAP),y)
    207   CFLAGS += -DLIBELF_MMAP
    208 endif # try-cc
    209 endif # NO_LIBELF
    210 
    211 # There's only x86 (both 32 and 64) support for CFI unwind so far
    212 ifneq ($(ARCH),x86)
    213   NO_LIBUNWIND := 1
    214 endif
    215 
    216 ifndef NO_LIBUNWIND
    217 # for linking with debug library, run like:
    218 # make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
    219 ifdef LIBUNWIND_DIR
    220   LIBUNWIND_CFLAGS  := -I$(LIBUNWIND_DIR)/include
    221   LIBUNWIND_LDFLAGS := -L$(LIBUNWIND_DIR)/lib
    222 endif
    223 
    224 FLAGS_UNWIND=$(LIBUNWIND_CFLAGS) $(CFLAGS) $(LIBUNWIND_LDFLAGS) $(LDFLAGS) $(EXTLIBS) $(LIBUNWIND_LIBS)
    225 ifneq ($(call try-cc,$(SOURCE_LIBUNWIND),$(FLAGS_UNWIND),libunwind),y)
    226   msg := $(warning No libunwind found, disabling post unwind support. Please install libunwind-dev[el] >= 0.99);
    227   NO_LIBUNWIND := 1
    228 endif # Libunwind support
    229 endif # NO_LIBUNWIND
    230 
    231 ifndef NO_LIBUNWIND
    232   CFLAGS += -DLIBUNWIND_SUPPORT
    233   EXTLIBS += $(LIBUNWIND_LIBS)
    234   CFLAGS += $(LIBUNWIND_CFLAGS)
    235   LDFLAGS += $(LIBUNWIND_LDFLAGS)
    236 endif # NO_LIBUNWIND
    237 
    238 ifndef NO_LIBAUDIT
    239   FLAGS_LIBAUDIT = $(CFLAGS) $(LDFLAGS) -laudit
    240   ifneq ($(call try-cc,$(SOURCE_LIBAUDIT),$(FLAGS_LIBAUDIT),libaudit),y)
    241     msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
    242     NO_LIBAUDIT := 1
    243   else
    244     CFLAGS += -DLIBAUDIT_SUPPORT
    245     EXTLIBS += -laudit
    246   endif
    247 endif
    248 
    249 ifdef NO_NEWT
    250   NO_SLANG=1
    251 endif
    252 
    253 ifndef NO_SLANG
    254   FLAGS_SLANG=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) -I/usr/include/slang -lslang
    255   ifneq ($(call try-cc,$(SOURCE_SLANG),$(FLAGS_SLANG),libslang),y)
    256     msg := $(warning slang not found, disables TUI support. Please install slang-devel or libslang-dev);
    257     NO_SLANG := 1
    258   else
    259     # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
    260     CFLAGS += -I/usr/include/slang
    261     CFLAGS += -DSLANG_SUPPORT
    262     EXTLIBS += -lslang
    263   endif
    264 endif
    265 
    266 ifndef NO_GTK2
    267   FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell pkg-config --libs --cflags gtk+-2.0 2>/dev/null)
    268   ifneq ($(call try-cc,$(SOURCE_GTK2),$(FLAGS_GTK2),gtk2),y)
    269     msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
    270     NO_GTK2 := 1
    271   else
    272     ifeq ($(call try-cc,$(SOURCE_GTK2_INFOBAR),$(FLAGS_GTK2),-DHAVE_GTK_INFO_BAR),y)
    273       CFLAGS += -DHAVE_GTK_INFO_BAR
    274     endif
    275     CFLAGS += -DGTK2_SUPPORT
    276     CFLAGS += $(shell pkg-config --cflags gtk+-2.0 2>/dev/null)
    277     EXTLIBS += $(shell pkg-config --libs gtk+-2.0 2>/dev/null)
    278   endif
    279 endif
    280 
    281 grep-libs  = $(filter -l%,$(1))
    282 strip-libs = $(filter-out -l%,$(1))
    283 
    284 ifdef NO_LIBPERL
    285   CFLAGS += -DNO_LIBPERL
    286 else
    287   PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
    288   PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
    289   PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
    290   PERL_EMBED_CCOPTS = `perl -MExtUtils::Embed -e ccopts 2>/dev/null`
    291   FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
    292 
    293   ifneq ($(call try-cc,$(SOURCE_PERL_EMBED),$(FLAGS_PERL_EMBED),perl),y)
    294     CFLAGS += -DNO_LIBPERL
    295     NO_LIBPERL := 1
    296   else
    297     LDFLAGS += $(PERL_EMBED_LDFLAGS)
    298     EXTLIBS += $(PERL_EMBED_LIBADD)
    299   endif
    300 endif
    301 
    302 disable-python = $(eval $(disable-python_code))
    303 define disable-python_code
    304   CFLAGS += -DNO_LIBPYTHON
    305   $(if $(1),$(warning No $(1) was found))
    306   $(warning Python support will not be built)
    307   NO_LIBPYTHON := 1
    308 endef
    309 
    310 override PYTHON := \
    311   $(call get-executable-or-default,PYTHON,python)
    312 
    313 ifndef PYTHON
    314   $(call disable-python,python interpreter)
    315 else
    316 
    317   PYTHON_WORD := $(call shell-wordify,$(PYTHON))
    318 
    319   ifdef NO_LIBPYTHON
    320     $(call disable-python)
    321   else
    322 
    323     override PYTHON_CONFIG := \
    324       $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON)-config)
    325 
    326     ifndef PYTHON_CONFIG
    327       $(call disable-python,python-config tool)
    328     else
    329 
    330       PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
    331 
    332       PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
    333       PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
    334       PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS))
    335       PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
    336       FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
    337 
    338       ifneq ($(call try-cc,$(SOURCE_PYTHON_EMBED),$(FLAGS_PYTHON_EMBED),python),y)
    339         $(call disable-python,Python.h (for Python 2.x))
    340       else
    341 
    342         ifneq ($(call try-cc,$(SOURCE_PYTHON_VERSION),$(FLAGS_PYTHON_EMBED),python version),y)
    343           $(warning Python 3 is not yet supported; please set)
    344           $(warning PYTHON and/or PYTHON_CONFIG appropriately.)
    345           $(warning If you also have Python 2 installed, then)
    346           $(warning try something like:)
    347           $(warning $(and ,))
    348           $(warning $(and ,)  make PYTHON=python2)
    349           $(warning $(and ,))
    350           $(warning Otherwise, disable Python support entirely:)
    351           $(warning $(and ,))
    352           $(warning $(and ,)  make NO_LIBPYTHON=1)
    353           $(warning $(and ,))
    354           $(error   $(and ,))
    355         else
    356           LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
    357           EXTLIBS += $(PYTHON_EMBED_LIBADD)
    358           LANG_BINDINGS += $(obj-perf)python/perf.so
    359         endif
    360       endif
    361     endif
    362   endif
    363 endif
    364 
    365 ifdef NO_DEMANGLE
    366   CFLAGS += -DNO_DEMANGLE
    367 else
    368   ifdef HAVE_CPLUS_DEMANGLE
    369     EXTLIBS += -liberty
    370     CFLAGS += -DHAVE_CPLUS_DEMANGLE
    371   else
    372     FLAGS_BFD=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) -DPACKAGE='perf' -lbfd
    373     has_bfd := $(call try-cc,$(SOURCE_BFD),$(FLAGS_BFD),libbfd)
    374     ifeq ($(has_bfd),y)
    375       EXTLIBS += -lbfd
    376     else
    377       FLAGS_BFD_IBERTY=$(FLAGS_BFD) -liberty
    378       has_bfd_iberty := $(call try-cc,$(SOURCE_BFD),$(FLAGS_BFD_IBERTY),liberty)
    379       ifeq ($(has_bfd_iberty),y)
    380         EXTLIBS += -lbfd -liberty
    381       else
    382         FLAGS_BFD_IBERTY_Z=$(FLAGS_BFD_IBERTY) -lz
    383         has_bfd_iberty_z := $(call try-cc,$(SOURCE_BFD),$(FLAGS_BFD_IBERTY_Z),libz)
    384         ifeq ($(has_bfd_iberty_z),y)
    385           EXTLIBS += -lbfd -liberty -lz
    386         else
    387           FLAGS_CPLUS_DEMANGLE=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) -liberty
    388           has_cplus_demangle := $(call try-cc,$(SOURCE_CPLUS_DEMANGLE),$(FLAGS_CPLUS_DEMANGLE),demangle)
    389           ifeq ($(has_cplus_demangle),y)
    390             EXTLIBS += -liberty
    391             CFLAGS += -DHAVE_CPLUS_DEMANGLE
    392           else
    393             msg := $(warning No bfd.h/libbfd found, install binutils-dev[el]/zlib-static to gain symbol demangling)
    394             CFLAGS += -DNO_DEMANGLE
    395           endif
    396         endif
    397       endif
    398     endif
    399   endif
    400 endif
    401 
    402 ifndef NO_STRLCPY
    403   ifeq ($(call try-cc,$(SOURCE_STRLCPY),,-DHAVE_STRLCPY),y)
    404     CFLAGS += -DHAVE_STRLCPY
    405   endif
    406 endif
    407 
    408 ifndef NO_ON_EXIT
    409   ifeq ($(call try-cc,$(SOURCE_ON_EXIT),,-DHAVE_ON_EXIT),y)
    410     CFLAGS += -DHAVE_ON_EXIT
    411   endif
    412 endif
    413 
    414 ifndef NO_BACKTRACE
    415   ifeq ($(call try-cc,$(SOURCE_BACKTRACE),,-DBACKTRACE_SUPPORT),y)
    416     CFLAGS += -DBACKTRACE_SUPPORT
    417   endif
    418 endif
    419 
    420 ifndef NO_LIBNUMA
    421   FLAGS_LIBNUMA = $(CFLAGS) $(LDFLAGS) -lnuma
    422   ifneq ($(call try-cc,$(SOURCE_LIBNUMA),$(FLAGS_LIBNUMA),libnuma),y)
    423     msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numa-libs-devel or libnuma-dev);
    424     NO_LIBNUMA := 1
    425   else
    426     CFLAGS += -DLIBNUMA_SUPPORT
    427     EXTLIBS += -lnuma
    428   endif
    429 endif
    430 
    431 # Among the variables below, these:
    432 #   perfexecdir
    433 #   template_dir
    434 #   mandir
    435 #   infodir
    436 #   htmldir
    437 #   ETC_PERFCONFIG (but not sysconfdir)
    438 # can be specified as a relative path some/where/else;
    439 # this is interpreted as relative to $(prefix) and "perf" at
    440 # runtime figures out where they are based on the path to the executable.
    441 # This can help installing the suite in a relocatable way.
    442 
    443 # Make the path relative to DESTDIR, not to prefix
    444 ifndef DESTDIR
    445 prefix = $(HOME)
    446 endif
    447 bindir_relative = bin
    448 bindir = $(prefix)/$(bindir_relative)
    449 mandir = share/man
    450 infodir = share/info
    451 perfexecdir = libexec/perf-core
    452 sharedir = $(prefix)/share
    453 template_dir = share/perf-core/templates
    454 htmldir = share/doc/perf-doc
    455 ifeq ($(prefix),/usr)
    456 sysconfdir = /etc
    457 ETC_PERFCONFIG = $(sysconfdir)/perfconfig
    458 else
    459 sysconfdir = $(prefix)/etc
    460 ETC_PERFCONFIG = etc/perfconfig
    461 endif
    462 lib = lib
    463 
    464 # Shell quote (do not use $(call) to accommodate ancient setups);
    465 ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
    466 DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
    467 bindir_SQ = $(subst ','\'',$(bindir))
    468 mandir_SQ = $(subst ','\'',$(mandir))
    469 infodir_SQ = $(subst ','\'',$(infodir))
    470 perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
    471 template_dir_SQ = $(subst ','\'',$(template_dir))
    472 htmldir_SQ = $(subst ','\'',$(htmldir))
    473 prefix_SQ = $(subst ','\'',$(prefix))
    474 sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
    475 
    476 ifneq ($(filter /%,$(firstword $(perfexecdir))),)
    477 perfexec_instdir = $(perfexecdir)
    478 else
    479 perfexec_instdir = $(prefix)/$(perfexecdir)
    480 endif
    481 perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
    482