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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))