Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1
2ifeq ($(src-perf),)
3src-perf := $(srctree)/tools/perf
4endif
5
6ifeq ($(obj-perf),)
7obj-perf := $(OUTPUT)
8endif
9
10ifneq ($(obj-perf),)
11obj-perf := $(abspath $(obj-perf))/
12endif
13
14$(shell printf "" > $(OUTPUT).config-detected)
15detected = $(shell echo "$(1)=y" >> $(OUTPUT).config-detected)
16detected_var = $(shell echo "$(1)=$($(1))" >> $(OUTPUT).config-detected)
17
18CFLAGS := $(EXTRA_CFLAGS) $(EXTRA_WARNINGS)
19
20include $(srctree)/tools/scripts/Makefile.arch
21
22$(call detected_var,ARCH)
23
24NO_PERF_REGS := 1
25
26# Additional ARCH settings for ppc
27ifeq ($(ARCH),powerpc)
28 NO_PERF_REGS := 0
29 LIBUNWIND_LIBS := -lunwind -lunwind-ppc64
30endif
31
32# Additional ARCH settings for x86
33ifeq ($(ARCH),x86)
34 $(call detected,CONFIG_X86)
35 ifeq (${IS_64_BIT}, 1)
36 CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT -DHAVE_SYSCALL_TABLE -I$(OUTPUT)arch/x86/include/generated
37 ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
38 LIBUNWIND_LIBS = -lunwind -lunwind-x86_64
39 $(call detected,CONFIG_X86_64)
40 else
41 LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind
42 endif
43 NO_PERF_REGS := 0
44endif
45
46ifeq ($(ARCH),arm)
47 NO_PERF_REGS := 0
48 LIBUNWIND_LIBS = -lunwind -lunwind-arm
49endif
50
51ifeq ($(ARCH),arm64)
52 NO_PERF_REGS := 0
53 LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
54endif
55
56ifeq ($(NO_PERF_REGS),0)
57 $(call detected,CONFIG_PERF_REGS)
58endif
59
60# So far there's only x86 and arm libdw unwind support merged in perf.
61# Disable it on all other architectures in case libdw unwind
62# support is detected in system. Add supported architectures
63# to the check.
64ifneq ($(ARCH),$(filter $(ARCH),x86 arm))
65 NO_LIBDW_DWARF_UNWIND := 1
66endif
67
68ifeq ($(LIBUNWIND_LIBS),)
69 NO_LIBUNWIND := 1
70endif
71#
72# For linking with debug library, run like:
73#
74# make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
75#
76
77libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
78define libunwind_arch_set_flags_code
79 FEATURE_CHECK_CFLAGS-libunwind-$(1) = -I$(LIBUNWIND_DIR)/include
80 FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
81endef
82
83ifdef LIBUNWIND_DIR
84 LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include
85 LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
86 LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64
87 $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
88endif
89
90# Set per-feature check compilation flags
91FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
92FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
93FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
94FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
95
96ifeq ($(NO_PERF_REGS),0)
97 CFLAGS += -DHAVE_PERF_REGS_SUPPORT
98endif
99
100# for linking with debug library, run like:
101# make DEBUG=1 LIBDW_DIR=/opt/libdw/
102ifdef LIBDW_DIR
103 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include
104 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
105endif
106FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
107FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) -ldw
108
109# for linking with debug library, run like:
110# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
111ifdef LIBBABELTRACE_DIR
112 LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include
113 LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
114endif
115FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
116FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
117
118FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(ARCH)/include/uapi -I$(srctree)/tools/include/uapi
119# include ARCH specific config
120-include $(src-perf)/arch/$(ARCH)/Makefile
121
122ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
123 CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
124endif
125
126include $(srctree)/tools/scripts/utilities.mak
127
128ifeq ($(call get-executable,$(FLEX)),)
129 dummy := $(error Error: $(FLEX) is missing on this system, please install it)
130endif
131
132ifeq ($(call get-executable,$(BISON)),)
133 dummy := $(error Error: $(BISON) is missing on this system, please install it)
134endif
135
136# Treat warnings as errors unless directed not to
137ifneq ($(WERROR),0)
138 CFLAGS += -Werror
139endif
140
141ifndef DEBUG
142 DEBUG := 0
143endif
144
145ifeq ($(DEBUG),0)
146 CFLAGS += -O6
147endif
148
149ifdef PARSER_DEBUG
150 PARSER_DEBUG_BISON := -t
151 PARSER_DEBUG_FLEX := -d
152 CFLAGS += -DPARSER_DEBUG
153 $(call detected_var,PARSER_DEBUG_BISON)
154 $(call detected_var,PARSER_DEBUG_FLEX)
155endif
156
157# Try different combinations to accommodate systems that only have
158# python[2][-config] in weird combinations but always preferring
159# python2 and python2-config as per pep-0394. If we catch a
160# python[-config] in version 3, the version check will kill it.
161PYTHON2 := $(if $(call get-executable,python2),python2,python)
162override PYTHON := $(call get-executable-or-default,PYTHON,$(PYTHON2))
163PYTHON2_CONFIG := \
164 $(if $(call get-executable,$(PYTHON)-config),$(PYTHON)-config,python-config)
165override PYTHON_CONFIG := \
166 $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON2_CONFIG))
167
168PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
169
170PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
171PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
172
173FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
174FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
175FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
176FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
177
178CFLAGS += -fno-omit-frame-pointer
179CFLAGS += -ggdb3
180CFLAGS += -funwind-tables
181CFLAGS += -Wall
182CFLAGS += -Wextra
183CFLAGS += -std=gnu99
184
185# Enforce a non-executable stack, as we may regress (again) in the future by
186# adding assembler files missing the .GNU-stack linker note.
187LDFLAGS += -Wl,-z,noexecstack
188
189EXTLIBS = -lpthread -lrt -lm -ldl
190
191ifeq ($(FEATURES_DUMP),)
192include $(srctree)/tools/build/Makefile.feature
193else
194include $(FEATURES_DUMP)
195endif
196
197ifeq ($(feature-stackprotector-all), 1)
198 CFLAGS += -fstack-protector-all
199endif
200
201ifeq ($(DEBUG),0)
202 ifeq ($(feature-fortify-source), 1)
203 CFLAGS += -D_FORTIFY_SOURCE=2
204 endif
205endif
206
207CFLAGS += -I$(src-perf)/util/include
208CFLAGS += -I$(src-perf)/arch/$(ARCH)/include
209CFLAGS += -I$(srctree)/tools/include/uapi
210CFLAGS += -I$(srctree)/tools/include/
211CFLAGS += -I$(srctree)/tools/arch/$(ARCH)/include/uapi
212CFLAGS += -I$(srctree)/tools/arch/$(ARCH)/include/
213CFLAGS += -I$(srctree)/tools/arch/$(ARCH)/
214
215# $(obj-perf) for generated common-cmds.h
216# $(obj-perf)/util for generated bison/flex headers
217ifneq ($(OUTPUT),)
218CFLAGS += -I$(obj-perf)/util
219CFLAGS += -I$(obj-perf)
220endif
221
222CFLAGS += -I$(src-perf)/util
223CFLAGS += -I$(src-perf)
224CFLAGS += -I$(srctree)/tools/lib/
225
226CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
227
228ifeq ($(feature-sync-compare-and-swap), 1)
229 CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
230endif
231
232ifeq ($(feature-pthread-attr-setaffinity-np), 1)
233 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
234endif
235
236ifndef NO_BIONIC
237 $(call feature_check,bionic)
238 ifeq ($(feature-bionic), 1)
239 BIONIC := 1
240 EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
241 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
242 endif
243endif
244
245ifdef NO_LIBELF
246 NO_DWARF := 1
247 NO_DEMANGLE := 1
248 NO_LIBUNWIND := 1
249 NO_LIBDW_DWARF_UNWIND := 1
250 NO_LIBBPF := 1
251else
252 ifeq ($(feature-libelf), 0)
253 ifeq ($(feature-glibc), 1)
254 LIBC_SUPPORT := 1
255 endif
256 ifeq ($(BIONIC),1)
257 LIBC_SUPPORT := 1
258 endif
259 ifeq ($(LIBC_SUPPORT),1)
260 msg := $(warning No libelf found, disables 'probe' tool and BPF support in 'perf record', please install libelf-dev, libelf-devel or elfutils-libelf-devel);
261
262 NO_LIBELF := 1
263 NO_DWARF := 1
264 NO_DEMANGLE := 1
265 NO_LIBUNWIND := 1
266 NO_LIBDW_DWARF_UNWIND := 1
267 NO_LIBBPF := 1
268 else
269 ifneq ($(filter s% -static%,$(LDFLAGS),),)
270 msg := $(error No static glibc found, please install glibc-static);
271 else
272 msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
273 endif
274 endif
275 else
276 ifndef NO_LIBDW_DWARF_UNWIND
277 ifneq ($(feature-libdw-dwarf-unwind),1)
278 NO_LIBDW_DWARF_UNWIND := 1
279 msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
280 endif
281 endif
282 ifneq ($(feature-dwarf), 1)
283 msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
284 NO_DWARF := 1
285 else
286 ifneq ($(feature-dwarf_getlocations), 1)
287 msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
288 else
289 CFLAGS += -DHAVE_DWARF_GETLOCATIONS
290 endif # dwarf_getlocations
291 endif # Dwarf support
292 endif # libelf support
293endif # NO_LIBELF
294
295ifdef NO_DWARF
296 NO_LIBDW_DWARF_UNWIND := 1
297endif
298
299ifndef NO_LIBELF
300 CFLAGS += -DHAVE_LIBELF_SUPPORT
301 EXTLIBS += -lelf
302 $(call detected,CONFIG_LIBELF)
303
304 ifeq ($(feature-libelf-mmap), 1)
305 CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
306 endif
307
308 ifeq ($(feature-libelf-getphdrnum), 1)
309 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
310 endif
311
312 ifeq ($(feature-libelf-gelf_getnote), 1)
313 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
314 else
315 msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
316 endif
317
318 ifeq ($(feature-libelf-getshdrstrndx), 1)
319 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
320 endif
321
322 ifndef NO_DWARF
323 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
324 msg := $(warning DWARF register mappings have not been defined for architecture $(ARCH), DWARF support disabled);
325 NO_DWARF := 1
326 else
327 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
328 LDFLAGS += $(LIBDW_LDFLAGS)
329 DWARFLIBS := -ldw
330 ifeq ($(findstring -static,${LDFLAGS}),-static)
331 DWARFLIBS += -lelf -lebl -lz -llzma -lbz2
332 endif
333 EXTLIBS += ${DWARFLIBS}
334 $(call detected,CONFIG_DWARF)
335 endif # PERF_HAVE_DWARF_REGS
336 endif # NO_DWARF
337
338 ifndef NO_LIBBPF
339 ifeq ($(feature-bpf), 1)
340 CFLAGS += -DHAVE_LIBBPF_SUPPORT
341 $(call detected,CONFIG_LIBBPF)
342 endif
343
344 ifndef NO_DWARF
345 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
346 CFLAGS += -DHAVE_BPF_PROLOGUE
347 $(call detected,CONFIG_BPF_PROLOGUE)
348 else
349 msg := $(warning BPF prologue is not supported by architecture $(ARCH), missing regs_query_register_offset());
350 endif
351 else
352 msg := $(warning DWARF support is off, BPF prologue is disabled);
353 endif
354
355 endif # NO_LIBBPF
356endif # NO_LIBELF
357
358ifndef NO_SDT
359 ifneq ($(feature-sdt), 1)
360 msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
361 NO_SDT := 1;
362 else
363 CFLAGS += -DHAVE_SDT_EVENT
364 $(call detected,CONFIG_SDT_EVENT)
365 endif
366endif
367
368ifdef PERF_HAVE_JITDUMP
369 ifndef NO_DWARF
370 $(call detected,CONFIG_JITDUMP)
371 CFLAGS += -DHAVE_JITDUMP
372 endif
373endif
374
375ifeq ($(ARCH),powerpc)
376 ifndef NO_DWARF
377 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
378 endif
379endif
380
381ifndef NO_LIBUNWIND
382 have_libunwind :=
383
384 ifeq ($(feature-libunwind-x86), 1)
385 $(call detected,CONFIG_LIBUNWIND_X86)
386 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
387 LDFLAGS += -lunwind-x86
388 EXTLIBS_LIBUNWIND += -lunwind-x86
389 have_libunwind = 1
390 endif
391
392 ifeq ($(feature-libunwind-aarch64), 1)
393 $(call detected,CONFIG_LIBUNWIND_AARCH64)
394 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
395 LDFLAGS += -lunwind-aarch64
396 EXTLIBS_LIBUNWIND += -lunwind-aarch64
397 have_libunwind = 1
398 $(call feature_check,libunwind-debug-frame-aarch64)
399 ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
400 msg := $(warning No debug_frame support found in libunwind-aarch64);
401 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
402 endif
403 endif
404
405 ifneq ($(feature-libunwind), 1)
406 msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
407 NO_LOCAL_LIBUNWIND := 1
408 else
409 have_libunwind := 1
410 $(call detected,CONFIG_LOCAL_LIBUNWIND)
411 endif
412
413 ifneq ($(have_libunwind), 1)
414 NO_LIBUNWIND := 1
415 endif
416else
417 NO_LOCAL_LIBUNWIND := 1
418endif
419
420ifndef NO_LIBBPF
421 ifneq ($(feature-bpf), 1)
422 msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
423 NO_LIBBPF := 1
424 endif
425endif
426
427dwarf-post-unwind := 1
428dwarf-post-unwind-text := BUG
429
430# setup DWARF post unwinder
431ifdef NO_LIBUNWIND
432 ifdef NO_LIBDW_DWARF_UNWIND
433 msg := $(warning Disabling post unwind, no support found.);
434 dwarf-post-unwind := 0
435 else
436 dwarf-post-unwind-text := libdw
437 $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
438 endif
439else
440 dwarf-post-unwind-text := libunwind
441 $(call detected,CONFIG_LIBUNWIND)
442 # Enable libunwind support by default.
443 ifndef NO_LIBDW_DWARF_UNWIND
444 NO_LIBDW_DWARF_UNWIND := 1
445 endif
446endif
447
448ifeq ($(dwarf-post-unwind),1)
449 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
450 $(call detected,CONFIG_DWARF_UNWIND)
451else
452 NO_DWARF_UNWIND := 1
453endif
454
455ifndef NO_LOCAL_LIBUNWIND
456 ifeq ($(ARCH),$(filter $(ARCH),arm arm64))
457 $(call feature_check,libunwind-debug-frame)
458 ifneq ($(feature-libunwind-debug-frame), 1)
459 msg := $(warning No debug_frame support found in libunwind);
460 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
461 endif
462 else
463 # non-ARM has no dwarf_find_debug_frame() function:
464 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
465 endif
466 EXTLIBS += $(LIBUNWIND_LIBS)
467 LDFLAGS += $(LIBUNWIND_LIBS)
468endif
469
470ifndef NO_LIBUNWIND
471 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
472 CFLAGS += $(LIBUNWIND_CFLAGS)
473 LDFLAGS += $(LIBUNWIND_LDFLAGS)
474 EXTLIBS += $(EXTLIBS_LIBUNWIND)
475endif
476
477ifndef NO_LIBAUDIT
478 ifneq ($(feature-libaudit), 1)
479 msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
480 NO_LIBAUDIT := 1
481 else
482 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
483 EXTLIBS += -laudit
484 $(call detected,CONFIG_AUDIT)
485 endif
486endif
487
488ifndef NO_LIBCRYPTO
489 ifneq ($(feature-libcrypto), 1)
490 msg := $(warning No libcrypto.h found, disables jitted code injection, please install libssl-devel or libssl-dev);
491 NO_LIBCRYPTO := 1
492 else
493 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
494 EXTLIBS += -lcrypto
495 $(call detected,CONFIG_CRYPTO)
496 endif
497endif
498
499ifdef NO_NEWT
500 NO_SLANG=1
501endif
502
503ifndef NO_SLANG
504 ifneq ($(feature-libslang), 1)
505 msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
506 NO_SLANG := 1
507 else
508 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
509 CFLAGS += -I/usr/include/slang
510 CFLAGS += -DHAVE_SLANG_SUPPORT
511 EXTLIBS += -lslang
512 $(call detected,CONFIG_SLANG)
513 endif
514endif
515
516ifndef NO_GTK2
517 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
518 ifneq ($(feature-gtk2), 1)
519 msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
520 NO_GTK2 := 1
521 else
522 ifeq ($(feature-gtk2-infobar), 1)
523 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
524 endif
525 CFLAGS += -DHAVE_GTK2_SUPPORT
526 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
527 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
528 EXTLIBS += -ldl
529 endif
530endif
531
532grep-libs = $(filter -l%,$(1))
533strip-libs = $(filter-out -l%,$(1))
534
535ifdef NO_LIBPERL
536 CFLAGS += -DNO_LIBPERL
537else
538 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
539 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
540 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
541 PERL_EMBED_CCOPTS = `perl -MExtUtils::Embed -e ccopts 2>/dev/null`
542 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
543
544 ifneq ($(feature-libperl), 1)
545 CFLAGS += -DNO_LIBPERL
546 NO_LIBPERL := 1
547 msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
548 else
549 LDFLAGS += $(PERL_EMBED_LDFLAGS)
550 EXTLIBS += $(PERL_EMBED_LIBADD)
551 $(call detected,CONFIG_LIBPERL)
552 endif
553endif
554
555ifeq ($(feature-timerfd), 1)
556 CFLAGS += -DHAVE_TIMERFD_SUPPORT
557else
558 msg := $(warning No timerfd support. Disables 'perf kvm stat live');
559endif
560
561disable-python = $(eval $(disable-python_code))
562define disable-python_code
563 CFLAGS += -DNO_LIBPYTHON
564 $(warning $1)
565 NO_LIBPYTHON := 1
566endef
567
568ifdef NO_LIBPYTHON
569 $(call disable-python,Python support disabled by user)
570else
571
572 ifndef PYTHON
573 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
574 else
575 PYTHON_WORD := $(call shell-wordify,$(PYTHON))
576
577 ifndef PYTHON_CONFIG
578 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
579 else
580
581 PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
582
583 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
584 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
585 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
586 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
587 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
588
589 ifneq ($(feature-libpython), 1)
590 $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
591 else
592
593 ifneq ($(feature-libpython-version), 1)
594 $(warning Python 3 is not yet supported; please set)
595 $(warning PYTHON and/or PYTHON_CONFIG appropriately.)
596 $(warning If you also have Python 2 installed, then)
597 $(warning try something like:)
598 $(warning $(and ,))
599 $(warning $(and ,) make PYTHON=python2)
600 $(warning $(and ,))
601 $(warning Otherwise, disable Python support entirely:)
602 $(warning $(and ,))
603 $(warning $(and ,) make NO_LIBPYTHON=1)
604 $(warning $(and ,))
605 $(error $(and ,))
606 else
607 LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
608 EXTLIBS += $(PYTHON_EMBED_LIBADD)
609 LANG_BINDINGS += $(obj-perf)python/perf.so
610 $(call detected,CONFIG_LIBPYTHON)
611 endif
612 endif
613 endif
614 endif
615endif
616
617ifeq ($(feature-libbfd), 1)
618 EXTLIBS += -lbfd
619
620 # call all detections now so we get correct
621 # status in VF output
622 $(call feature_check,liberty)
623 $(call feature_check,liberty-z)
624 $(call feature_check,cplus-demangle)
625
626 ifeq ($(feature-liberty), 1)
627 EXTLIBS += -liberty
628 else
629 ifeq ($(feature-liberty-z), 1)
630 EXTLIBS += -liberty -lz
631 endif
632 endif
633endif
634
635ifdef NO_DEMANGLE
636 CFLAGS += -DNO_DEMANGLE
637else
638 ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
639 EXTLIBS += -liberty
640 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
641 else
642 ifneq ($(feature-libbfd), 1)
643 ifneq ($(feature-liberty), 1)
644 ifneq ($(feature-liberty-z), 1)
645 # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
646 # or any of 'bfd iberty z' trinity
647 ifeq ($(feature-cplus-demangle), 1)
648 EXTLIBS += -liberty
649 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
650 else
651 msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
652 CFLAGS += -DNO_DEMANGLE
653 endif
654 endif
655 endif
656 endif
657 endif
658endif
659
660ifneq ($(filter -lbfd,$(EXTLIBS)),)
661 CFLAGS += -DHAVE_LIBBFD_SUPPORT
662endif
663
664ifndef NO_ZLIB
665 ifeq ($(feature-zlib), 1)
666 CFLAGS += -DHAVE_ZLIB_SUPPORT
667 EXTLIBS += -lz
668 $(call detected,CONFIG_ZLIB)
669 else
670 NO_ZLIB := 1
671 endif
672endif
673
674ifndef NO_LZMA
675 ifeq ($(feature-lzma), 1)
676 CFLAGS += -DHAVE_LZMA_SUPPORT
677 EXTLIBS += -llzma
678 $(call detected,CONFIG_LZMA)
679 else
680 msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
681 NO_LZMA := 1
682 endif
683endif
684
685ifndef NO_BACKTRACE
686 ifeq ($(feature-backtrace), 1)
687 CFLAGS += -DHAVE_BACKTRACE_SUPPORT
688 endif
689endif
690
691ifndef NO_LIBNUMA
692 ifeq ($(feature-libnuma), 0)
693 msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
694 NO_LIBNUMA := 1
695 else
696 ifeq ($(feature-numa_num_possible_cpus), 0)
697 msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
698 NO_LIBNUMA := 1
699 else
700 CFLAGS += -DHAVE_LIBNUMA_SUPPORT
701 EXTLIBS += -lnuma
702 $(call detected,CONFIG_NUMA)
703 endif
704 endif
705endif
706
707ifdef HAVE_KVM_STAT_SUPPORT
708 CFLAGS += -DHAVE_KVM_STAT_SUPPORT
709endif
710
711ifeq (${IS_64_BIT}, 1)
712 ifndef NO_PERF_READ_VDSO32
713 $(call feature_check,compile-32)
714 ifeq ($(feature-compile-32), 1)
715 CFLAGS += -DHAVE_PERF_READ_VDSO32
716 else
717 NO_PERF_READ_VDSO32 := 1
718 endif
719 endif
720 ifneq ($(ARCH), x86)
721 NO_PERF_READ_VDSOX32 := 1
722 endif
723 ifndef NO_PERF_READ_VDSOX32
724 $(call feature_check,compile-x32)
725 ifeq ($(feature-compile-x32), 1)
726 CFLAGS += -DHAVE_PERF_READ_VDSOX32
727 else
728 NO_PERF_READ_VDSOX32 := 1
729 endif
730 endif
731else
732 NO_PERF_READ_VDSO32 := 1
733 NO_PERF_READ_VDSOX32 := 1
734endif
735
736ifdef LIBBABELTRACE
737 $(call feature_check,libbabeltrace)
738 ifeq ($(feature-libbabeltrace), 1)
739 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
740 LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
741 EXTLIBS += -lbabeltrace-ctf
742 $(call detected,CONFIG_LIBBABELTRACE)
743 else
744 msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
745 endif
746endif
747
748ifndef NO_AUXTRACE
749 ifeq ($(feature-get_cpuid), 0)
750 msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
751 NO_AUXTRACE := 1
752 else
753 $(call detected,CONFIG_AUXTRACE)
754 CFLAGS += -DHAVE_AUXTRACE_SUPPORT
755 endif
756endif
757
758# Among the variables below, these:
759# perfexecdir
760# template_dir
761# mandir
762# infodir
763# htmldir
764# ETC_PERFCONFIG (but not sysconfdir)
765# can be specified as a relative path some/where/else;
766# this is interpreted as relative to $(prefix) and "perf" at
767# runtime figures out where they are based on the path to the executable.
768# This can help installing the suite in a relocatable way.
769
770# Make the path relative to DESTDIR, not to prefix
771ifndef DESTDIR
772prefix ?= $(HOME)
773endif
774bindir_relative = bin
775bindir = $(abspath $(prefix)/$(bindir_relative))
776mandir = share/man
777infodir = share/info
778perfexecdir = libexec/perf-core
779sharedir = $(prefix)/share
780template_dir = share/perf-core/templates
781STRACE_GROUPS_DIR = share/perf-core/strace/groups
782htmldir = share/doc/perf-doc
783tipdir = share/doc/perf-tip
784srcdir = $(srctree)/tools/perf
785ifeq ($(prefix),/usr)
786sysconfdir = /etc
787ETC_PERFCONFIG = $(sysconfdir)/perfconfig
788else
789sysconfdir = $(prefix)/etc
790ETC_PERFCONFIG = etc/perfconfig
791endif
792ifndef lib
793ifeq ($(ARCH)$(IS_64_BIT), x861)
794lib = lib64
795else
796lib = lib
797endif
798endif # lib
799libdir = $(prefix)/$(lib)
800
801# Shell quote (do not use $(call) to accommodate ancient setups);
802ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
803STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
804DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
805bindir_SQ = $(subst ','\'',$(bindir))
806mandir_SQ = $(subst ','\'',$(mandir))
807infodir_SQ = $(subst ','\'',$(infodir))
808perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
809template_dir_SQ = $(subst ','\'',$(template_dir))
810htmldir_SQ = $(subst ','\'',$(htmldir))
811tipdir_SQ = $(subst ','\'',$(tipdir))
812prefix_SQ = $(subst ','\'',$(prefix))
813sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
814libdir_SQ = $(subst ','\'',$(libdir))
815srcdir_SQ = $(subst ','\'',$(srcdir))
816
817ifneq ($(filter /%,$(firstword $(perfexecdir))),)
818perfexec_instdir = $(perfexecdir)
819STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
820tip_instdir = $(tipdir)
821else
822perfexec_instdir = $(prefix)/$(perfexecdir)
823STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
824tip_instdir = $(prefix)/$(tipdir)
825endif
826perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
827STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
828tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
829
830# If we install to $(HOME) we keep the traceevent default:
831# $(HOME)/.traceevent/plugins
832# Otherwise we install plugins into the global $(libdir).
833ifdef DESTDIR
834plugindir=$(libdir)/traceevent/plugins
835plugindir_SQ= $(subst ','\'',$(plugindir))
836endif
837
838print_var = $(eval $(print_var_code)) $(info $(MSG))
839define print_var_code
840 MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
841endef
842
843ifeq ($(VF),1)
844 $(call print_var,prefix)
845 $(call print_var,bindir)
846 $(call print_var,libdir)
847 $(call print_var,sysconfdir)
848 $(call print_var,LIBUNWIND_DIR)
849 $(call print_var,LIBDW_DIR)
850
851 ifeq ($(dwarf-post-unwind),1)
852 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
853 endif
854 $(info )
855endif
856
857$(call detected_var,bindir_SQ)
858$(call detected_var,PYTHON_WORD)
859ifneq ($(OUTPUT),)
860$(call detected_var,OUTPUT)
861endif
862$(call detected_var,htmldir_SQ)
863$(call detected_var,infodir_SQ)
864$(call detected_var,mandir_SQ)
865$(call detected_var,ETC_PERFCONFIG_SQ)
866$(call detected_var,STRACE_GROUPS_DIR_SQ)
867$(call detected_var,prefix_SQ)
868$(call detected_var,perfexecdir_SQ)
869$(call detected_var,tipdir_SQ)
870$(call detected_var,srcdir_SQ)
871$(call detected_var,LIBDIR)
872$(call detected_var,GTK_CFLAGS)
873$(call detected_var,PERL_EMBED_CCOPTS)
874$(call detected_var,PYTHON_EMBED_CCOPTS)