1uname_M := $(shell uname -m 2>/dev/null || echo not)
2
3ARCH ?= $(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/ )
8NO_PERF_REGS := 1
9CFLAGS := $(EXTRA_CFLAGS) $(EXTRA_WARNINGS)
10
11# Additional ARCH settings for x86
12ifeq ($(ARCH),i386)
13  override ARCH := x86
14  NO_PERF_REGS := 0
15  LIBUNWIND_LIBS = -lunwind -lunwind-x86
16endif
17
18ifeq ($(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
31endif
32
33ifeq ($(NO_PERF_REGS),0)
34  CFLAGS += -DHAVE_PERF_REGS
35endif
36
37ifeq ($(src-perf),)
38src-perf := $(srctree)/tools/perf
39endif
40
41ifeq ($(obj-perf),)
42obj-perf := $(OUTPUT)
43endif
44
45ifneq ($(obj-perf),)
46obj-perf := $(abspath $(obj-perf))/
47endif
48
49LIB_INCLUDE := $(srctree)/tools/lib/
50
51# include ARCH specific config
52-include $(src-perf)/arch/$(ARCH)/Makefile
53
54include $(src-perf)/config/feature-tests.mak
55include $(src-perf)/config/utilities.mak
56
57ifeq ($(call get-executable,$(FLEX)),)
58  dummy := $(error Error: $(FLEX) is missing on this system, please install it)
59endif
60
61ifeq ($(call get-executable,$(BISON)),)
62  dummy := $(error Error: $(BISON) is missing on this system, please install it)
63endif
64
65# Treat warnings as errors unless directed not to
66ifneq ($(WERROR),0)
67  CFLAGS += -Werror
68endif
69
70ifeq ("$(origin DEBUG)", "command line")
71  PERF_DEBUG = $(DEBUG)
72endif
73ifndef PERF_DEBUG
74  CFLAGS += -O6
75endif
76
77ifdef PARSER_DEBUG
78  PARSER_DEBUG_BISON := -t
79  PARSER_DEBUG_FLEX  := -d
80  CFLAGS             += -DPARSER_DEBUG
81endif
82
83CFLAGS += -fno-omit-frame-pointer
84CFLAGS += -ggdb3
85CFLAGS += -funwind-tables
86CFLAGS += -Wall
87CFLAGS += -Wextra
88CFLAGS += -std=gnu99
89
90EXTLIBS = -lelf -lpthread -lrt -lm -ldl
91
92ifeq ($(call try-cc,$(SOURCE_HELLO),$(CFLAGS) -Werror -fstack-protector-all,-fstack-protector-all),y)
93  CFLAGS += -fstack-protector-all
94endif
95
96ifeq ($(call try-cc,$(SOURCE_HELLO),$(CFLAGS) -Werror -Wstack-protector,-Wstack-protector),y)
97  CFLAGS += -Wstack-protector
98endif
99
100ifeq ($(call try-cc,$(SOURCE_HELLO),$(CFLAGS) -Werror -Wvolatile-register-var,-Wvolatile-register-var),y)
101  CFLAGS += -Wvolatile-register-var
102endif
103
104ifndef PERF_DEBUG
105  ifeq ($(call try-cc,$(SOURCE_HELLO),$(CFLAGS) -D_FORTIFY_SOURCE=2,-D_FORTIFY_SOURCE=2),y)
106    CFLAGS += -D_FORTIFY_SOURCE=2
107  endif
108endif
109
110CFLAGS += -I$(src-perf)/util/include
111CFLAGS += -I$(src-perf)/arch/$(ARCH)/include
112CFLAGS += -I$(srctree)/arch/$(ARCH)/include/uapi
113CFLAGS += -I$(srctree)/arch/$(ARCH)/include
114CFLAGS += -I$(srctree)/include/uapi
115CFLAGS += -I$(srctree)/include
116
117# $(obj-perf)      for generated common-cmds.h
118# $(obj-perf)/util for generated bison/flex headers
119ifneq ($(OUTPUT),)
120CFLAGS += -I$(obj-perf)/util
121CFLAGS += -I$(obj-perf)
122endif
123
124CFLAGS += -I$(src-perf)/util
125CFLAGS += -I$(src-perf)
126CFLAGS += -I$(LIB_INCLUDE)
127
128CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
129
130ifndef NO_BIONIC
131ifeq ($(call try-cc,$(SOURCE_BIONIC),$(CFLAGS),bionic),y)
132  BIONIC := 1
133  EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
134  EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
135endif
136endif # NO_BIONIC
137
138ifdef NO_LIBELF
139  NO_DWARF := 1
140  NO_DEMANGLE := 1
141  NO_LIBUNWIND := 1
142else
143FLAGS_LIBELF=$(CFLAGS) $(LDFLAGS) $(EXTLIBS)
144ifneq ($(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 := $(error No gnu/libc-version.h found, please install glibc-dev[el]/glibc-static);
160  endif
161else
162  # for linking with debug library, run like:
163  # make DEBUG=1 LIBDW_DIR=/opt/libdw/
164  ifdef LIBDW_DIR
165    LIBDW_CFLAGS  := -I$(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 := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
172    NO_DWARF := 1
173  endif # Dwarf support
174endif # SOURCE_LIBELF
175endif # NO_LIBELF
176
177ifndef NO_LIBELF
178CFLAGS += -DLIBELF_SUPPORT
179FLAGS_LIBELF=$(CFLAGS) $(LDFLAGS) $(EXTLIBS)
180ifeq ($(call try-cc,$(SOURCE_ELF_MMAP),$(FLAGS_LIBELF),-DLIBELF_MMAP),y)
181  CFLAGS += -DLIBELF_MMAP
182endif
183ifeq ($(call try-cc,$(SOURCE_ELF_GETPHDRNUM),$(FLAGS_LIBELF),-DHAVE_ELF_GETPHDRNUM),y)
184  CFLAGS += -DHAVE_ELF_GETPHDRNUM
185endif
186
187# include ARCH specific config
188-include $(src-perf)/arch/$(ARCH)/Makefile
189
190ifndef NO_DWARF
191ifeq ($(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
194else
195  CFLAGS += -DDWARF_SUPPORT $(LIBDW_CFLAGS)
196  LDFLAGS += $(LIBDW_LDFLAGS)
197  EXTLIBS += -lelf -ldw
198endif # PERF_HAVE_DWARF_REGS
199endif # NO_DWARF
200
201endif # NO_LIBELF
202
203ifndef NO_LIBELF
204CFLAGS += -DLIBELF_SUPPORT
205FLAGS_LIBELF=$(CFLAGS) $(LDFLAGS) $(EXTLIBS)
206ifeq ($(call try-cc,$(SOURCE_ELF_MMAP),$(FLAGS_LIBELF),-DLIBELF_MMAP),y)
207  CFLAGS += -DLIBELF_MMAP
208endif # try-cc
209endif # NO_LIBELF
210
211# There's only x86 (both 32 and 64) support for CFI unwind so far
212ifneq ($(ARCH),x86)
213  NO_LIBUNWIND := 1
214endif
215
216ifndef NO_LIBUNWIND
217# for linking with debug library, run like:
218# make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
219ifdef LIBUNWIND_DIR
220  LIBUNWIND_CFLAGS  := -I$(LIBUNWIND_DIR)/include
221  LIBUNWIND_LDFLAGS := -L$(LIBUNWIND_DIR)/lib
222endif
223
224FLAGS_UNWIND=$(LIBUNWIND_CFLAGS) $(CFLAGS) $(LIBUNWIND_LDFLAGS) $(LDFLAGS) $(EXTLIBS) $(LIBUNWIND_LIBS)
225ifneq ($(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
228endif # Libunwind support
229endif # NO_LIBUNWIND
230
231ifndef NO_LIBUNWIND
232  CFLAGS += -DLIBUNWIND_SUPPORT
233  EXTLIBS += $(LIBUNWIND_LIBS)
234  CFLAGS += $(LIBUNWIND_CFLAGS)
235  LDFLAGS += $(LIBUNWIND_LDFLAGS)
236endif # NO_LIBUNWIND
237
238ifndef NO_LIBAUDIT
239  FLAGS_LIBAUDIT = $(CFLAGS) $(LDFLAGS) -laudit
240  ifneq ($(call try-cc,$(SOURCE_LIBAUDIT),$(FLAGS_LIBAUDIT),libaudit),y)
241    msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
242    NO_LIBAUDIT := 1
243  else
244    CFLAGS += -DLIBAUDIT_SUPPORT
245    EXTLIBS += -laudit
246  endif
247endif
248
249ifdef NO_NEWT
250  NO_SLANG=1
251endif
252
253ifndef NO_SLANG
254  FLAGS_SLANG=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) -I/usr/include/slang -lslang
255  ifneq ($(call try-cc,$(SOURCE_SLANG),$(FLAGS_SLANG),libslang),y)
256    msg := $(warning slang not found, disables TUI support. Please install slang-devel or libslang-dev);
257    NO_SLANG := 1
258  else
259    # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
260    CFLAGS += -I/usr/include/slang
261    CFLAGS += -DSLANG_SUPPORT
262    EXTLIBS += -lslang
263  endif
264endif
265
266ifndef NO_GTK2
267  FLAGS_GTK2=$(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
279endif
280
281grep-libs  = $(filter -l%,$(1))
282strip-libs = $(filter-out -l%,$(1))
283
284ifdef NO_LIBPERL
285  CFLAGS += -DNO_LIBPERL
286else
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
300endif
301
302disable-python = $(eval $(disable-python_code))
303define 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
308endef
309
310override PYTHON := \
311  $(call get-executable-or-default,PYTHON,python)
312
313ifndef PYTHON
314  $(call disable-python,python interpreter)
315else
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 += $(obj-perf)python/perf.so
359        endif
360      endif
361    endif
362  endif
363endif
364
365ifdef NO_DEMANGLE
366  CFLAGS += -DNO_DEMANGLE
367else
368  ifdef HAVE_CPLUS_DEMANGLE
369    EXTLIBS += -liberty
370    CFLAGS += -DHAVE_CPLUS_DEMANGLE
371  else
372    FLAGS_BFD=$(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 := $(warning No bfd.h/libbfd found, install binutils-dev[el]/zlib-static to gain symbol demangling)
394            CFLAGS += -DNO_DEMANGLE
395          endif
396        endif
397      endif
398    endif
399  endif
400endif
401
402ifndef NO_STRLCPY
403  ifeq ($(call try-cc,$(SOURCE_STRLCPY),,-DHAVE_STRLCPY),y)
404    CFLAGS += -DHAVE_STRLCPY
405  endif
406endif
407
408ifndef NO_ON_EXIT
409  ifeq ($(call try-cc,$(SOURCE_ON_EXIT),,-DHAVE_ON_EXIT),y)
410    CFLAGS += -DHAVE_ON_EXIT
411  endif
412endif
413
414ifndef NO_BACKTRACE
415  ifeq ($(call try-cc,$(SOURCE_BACKTRACE),,-DBACKTRACE_SUPPORT),y)
416    CFLAGS += -DBACKTRACE_SUPPORT
417  endif
418endif
419
420ifndef 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
429endif
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
444ifndef DESTDIR
445prefix = $(HOME)
446endif
447bindir_relative = bin
448bindir = $(prefix)/$(bindir_relative)
449mandir = share/man
450infodir = share/info
451perfexecdir = libexec/perf-core
452sharedir = $(prefix)/share
453template_dir = share/perf-core/templates
454htmldir = share/doc/perf-doc
455ifeq ($(prefix),/usr)
456sysconfdir = /etc
457ETC_PERFCONFIG = $(sysconfdir)/perfconfig
458else
459sysconfdir = $(prefix)/etc
460ETC_PERFCONFIG = etc/perfconfig
461endif
462lib = lib
463
464# Shell quote (do not use $(call) to accommodate ancient setups);
465ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
466DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
467bindir_SQ = $(subst ','\'',$(bindir))
468mandir_SQ = $(subst ','\'',$(mandir))
469infodir_SQ = $(subst ','\'',$(infodir))
470perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
471template_dir_SQ = $(subst ','\'',$(template_dir))
472htmldir_SQ = $(subst ','\'',$(htmldir))
473prefix_SQ = $(subst ','\'',$(prefix))
474sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
475
476ifneq ($(filter /%,$(firstword $(perfexecdir))),)
477perfexec_instdir = $(perfexecdir)
478else
479perfexec_instdir = $(prefix)/$(perfexecdir)
480endif
481perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
482