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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,SRCARCH)
23
24NO_PERF_REGS := 1
25NO_SYSCALL_TABLE := 1
26
27# Additional ARCH settings for ppc
28ifeq ($(SRCARCH),powerpc)
29 NO_PERF_REGS := 0
30 NO_SYSCALL_TABLE := 0
31 CFLAGS += -I$(OUTPUT)arch/powerpc/include/generated
32 LIBUNWIND_LIBS := -lunwind -lunwind-ppc64
33endif
34
35# Additional ARCH settings for x86
36ifeq ($(SRCARCH),x86)
37 $(call detected,CONFIG_X86)
38 ifeq (${IS_64_BIT}, 1)
39 NO_SYSCALL_TABLE := 0
40 CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT -I$(OUTPUT)arch/x86/include/generated
41 ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
42 LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind -llzma
43 $(call detected,CONFIG_X86_64)
44 else
45 LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind
46 endif
47 NO_PERF_REGS := 0
48endif
49
50ifeq ($(SRCARCH),arm)
51 NO_PERF_REGS := 0
52 LIBUNWIND_LIBS = -lunwind -lunwind-arm
53endif
54
55ifeq ($(SRCARCH),arm64)
56 NO_PERF_REGS := 0
57 LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
58endif
59
60ifeq ($(ARCH),s390)
61 NO_PERF_REGS := 0
62 NO_SYSCALL_TABLE := 0
63 CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated
64endif
65
66ifeq ($(NO_PERF_REGS),0)
67 $(call detected,CONFIG_PERF_REGS)
68endif
69
70ifneq ($(NO_SYSCALL_TABLE),1)
71 CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT
72endif
73
74# So far there's only x86 and arm libdw unwind support merged in perf.
75# Disable it on all other architectures in case libdw unwind
76# support is detected in system. Add supported architectures
77# to the check.
78ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390))
79 NO_LIBDW_DWARF_UNWIND := 1
80endif
81
82ifeq ($(LIBUNWIND_LIBS),)
83 NO_LIBUNWIND := 1
84endif
85#
86# For linking with debug library, run like:
87#
88# make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
89#
90
91libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
92define libunwind_arch_set_flags_code
93 FEATURE_CHECK_CFLAGS-libunwind-$(1) = -I$(LIBUNWIND_DIR)/include
94 FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
95endef
96
97ifdef LIBUNWIND_DIR
98 LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include
99 LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
100 LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64
101 $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
102endif
103
104# Set per-feature check compilation flags
105FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
106FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
107FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
108FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
109
110ifdef CSINCLUDES
111 LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)
112endif
113OPENCSDLIBS := -lopencsd_c_api -lopencsd
114ifdef CSLIBS
115 LIBOPENCSD_LDFLAGS := -L$(CSLIBS)
116endif
117FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS)
118FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS)
119
120ifeq ($(NO_PERF_REGS),0)
121 CFLAGS += -DHAVE_PERF_REGS_SUPPORT
122endif
123
124# for linking with debug library, run like:
125# make DEBUG=1 LIBDW_DIR=/opt/libdw/
126ifdef LIBDW_DIR
127 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include
128 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
129endif
130DWARFLIBS := -ldw
131ifeq ($(findstring -static,${LDFLAGS}),-static)
132 DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2
133endif
134FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
135FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS)
136
137# for linking with debug library, run like:
138# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
139ifdef LIBBABELTRACE_DIR
140 LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include
141 LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
142endif
143FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
144FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
145
146FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi
147# include ARCH specific config
148-include $(src-perf)/arch/$(SRCARCH)/Makefile
149
150ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
151 CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
152endif
153
154include $(srctree)/tools/scripts/utilities.mak
155
156ifeq ($(call get-executable,$(FLEX)),)
157 dummy := $(error Error: $(FLEX) is missing on this system, please install it)
158endif
159
160ifeq ($(call get-executable,$(BISON)),)
161 dummy := $(error Error: $(BISON) is missing on this system, please install it)
162endif
163
164# Treat warnings as errors unless directed not to
165ifneq ($(WERROR),0)
166 CFLAGS += -Werror
167 CXXFLAGS += -Werror
168endif
169
170ifndef DEBUG
171 DEBUG := 0
172endif
173
174ifeq ($(DEBUG),0)
175ifeq ($(CC_NO_CLANG), 0)
176 CFLAGS += -O3
177else
178 CFLAGS += -O6
179endif
180endif
181
182ifdef PARSER_DEBUG
183 PARSER_DEBUG_BISON := -t
184 PARSER_DEBUG_FLEX := -d
185 CFLAGS += -DPARSER_DEBUG
186 $(call detected_var,PARSER_DEBUG_BISON)
187 $(call detected_var,PARSER_DEBUG_FLEX)
188endif
189
190# Try different combinations to accommodate systems that only have
191# python[2][-config] in weird combinations but always preferring
192# python2 and python2-config as per pep-0394. If we catch a
193# python[-config] in version 3, the version check will kill it.
194PYTHON2 := $(if $(call get-executable,python2),python2,python)
195override PYTHON := $(call get-executable-or-default,PYTHON,$(PYTHON2))
196PYTHON2_CONFIG := \
197 $(if $(call get-executable,$(PYTHON)-config),$(PYTHON)-config,python-config)
198override PYTHON_CONFIG := \
199 $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON2_CONFIG))
200
201grep-libs = $(filter -l%,$(1))
202strip-libs = $(filter-out -l%,$(1))
203
204PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
205
206ifdef PYTHON_CONFIG
207 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
208 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
209 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
210 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
211 PYTHON_EMBED_CCOPTS := $(filter-out -specs=%,$(PYTHON_EMBED_CCOPTS))
212 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
213endif
214
215FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
216FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
217FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
218FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
219
220CFLAGS += -fno-omit-frame-pointer
221CFLAGS += -ggdb3
222CFLAGS += -funwind-tables
223CFLAGS += -Wall
224CFLAGS += -Wextra
225CFLAGS += -std=gnu99
226
227CXXFLAGS += -std=gnu++11 -fno-exceptions -fno-rtti
228CXXFLAGS += -Wall
229CXXFLAGS += -fno-omit-frame-pointer
230CXXFLAGS += -ggdb3
231CXXFLAGS += -funwind-tables
232CXXFLAGS += -Wno-strict-aliasing
233
234# Enforce a non-executable stack, as we may regress (again) in the future by
235# adding assembler files missing the .GNU-stack linker note.
236LDFLAGS += -Wl,-z,noexecstack
237
238EXTLIBS = -lpthread -lrt -lm -ldl
239
240ifeq ($(FEATURES_DUMP),)
241include $(srctree)/tools/build/Makefile.feature
242else
243include $(FEATURES_DUMP)
244endif
245
246ifeq ($(feature-stackprotector-all), 1)
247 CFLAGS += -fstack-protector-all
248endif
249
250ifeq ($(DEBUG),0)
251 ifeq ($(feature-fortify-source), 1)
252 CFLAGS += -D_FORTIFY_SOURCE=2
253 endif
254endif
255
256INC_FLAGS += -I$(src-perf)/util/include
257INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
258INC_FLAGS += -I$(srctree)/tools/include/uapi
259INC_FLAGS += -I$(srctree)/tools/include/
260INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
261INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
262INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
263
264# $(obj-perf) for generated common-cmds.h
265# $(obj-perf)/util for generated bison/flex headers
266ifneq ($(OUTPUT),)
267INC_FLAGS += -I$(obj-perf)/util
268INC_FLAGS += -I$(obj-perf)
269endif
270
271INC_FLAGS += -I$(src-perf)/util
272INC_FLAGS += -I$(src-perf)
273INC_FLAGS += -I$(srctree)/tools/lib/
274
275CFLAGS += $(INC_FLAGS)
276CXXFLAGS += $(INC_FLAGS)
277
278CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
279
280ifeq ($(feature-sync-compare-and-swap), 1)
281 CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
282endif
283
284ifeq ($(feature-pthread-attr-setaffinity-np), 1)
285 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
286endif
287
288ifeq ($(feature-pthread-barrier), 1)
289 CFLAGS += -DHAVE_PTHREAD_BARRIER
290endif
291
292ifndef NO_BIONIC
293 $(call feature_check,bionic)
294 ifeq ($(feature-bionic), 1)
295 BIONIC := 1
296 EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
297 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
298 endif
299endif
300
301ifdef NO_LIBELF
302 NO_DWARF := 1
303 NO_DEMANGLE := 1
304 NO_LIBUNWIND := 1
305 NO_LIBDW_DWARF_UNWIND := 1
306 NO_LIBBPF := 1
307 NO_JVMTI := 1
308else
309 ifeq ($(feature-libelf), 0)
310 ifeq ($(feature-glibc), 1)
311 LIBC_SUPPORT := 1
312 endif
313 ifeq ($(BIONIC),1)
314 LIBC_SUPPORT := 1
315 endif
316 ifeq ($(LIBC_SUPPORT),1)
317 msg := $(warning No libelf found. Disables 'probe' tool, jvmti and BPF support in 'perf record'. Please install libelf-dev, libelf-devel or elfutils-libelf-devel);
318
319 NO_LIBELF := 1
320 NO_DWARF := 1
321 NO_DEMANGLE := 1
322 NO_LIBUNWIND := 1
323 NO_LIBDW_DWARF_UNWIND := 1
324 NO_LIBBPF := 1
325 NO_JVMTI := 1
326 else
327 ifneq ($(filter s% -static%,$(LDFLAGS),),)
328 msg := $(error No static glibc found, please install glibc-static);
329 else
330 msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
331 endif
332 endif
333 else
334 ifndef NO_LIBDW_DWARF_UNWIND
335 ifneq ($(feature-libdw-dwarf-unwind),1)
336 NO_LIBDW_DWARF_UNWIND := 1
337 msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
338 endif
339 endif
340 ifneq ($(feature-dwarf), 1)
341 ifndef NO_DWARF
342 msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
343 NO_DWARF := 1
344 endif
345 else
346 ifneq ($(feature-dwarf_getlocations), 1)
347 msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
348 else
349 CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT
350 endif # dwarf_getlocations
351 endif # Dwarf support
352 endif # libelf support
353endif # NO_LIBELF
354
355ifeq ($(feature-glibc), 1)
356 CFLAGS += -DHAVE_GLIBC_SUPPORT
357endif
358
359ifdef NO_DWARF
360 NO_LIBDW_DWARF_UNWIND := 1
361endif
362
363ifeq ($(feature-sched_getcpu), 1)
364 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
365endif
366
367ifeq ($(feature-setns), 1)
368 CFLAGS += -DHAVE_SETNS_SUPPORT
369 $(call detected,CONFIG_SETNS)
370endif
371
372ifndef NO_CORESIGHT
373 ifeq ($(feature-libopencsd), 1)
374 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
375 LDFLAGS += $(LIBOPENCSD_LDFLAGS)
376 EXTLIBS += $(OPENCSDLIBS)
377 $(call detected,CONFIG_LIBOPENCSD)
378 ifdef CSTRACE_RAW
379 CFLAGS += -DCS_DEBUG_RAW
380 ifeq (${CSTRACE_RAW}, packed)
381 CFLAGS += -DCS_RAW_PACKED
382 endif
383 endif
384 endif
385endif
386
387ifndef NO_LIBELF
388 CFLAGS += -DHAVE_LIBELF_SUPPORT
389 EXTLIBS += -lelf
390 $(call detected,CONFIG_LIBELF)
391
392 ifeq ($(feature-libelf-mmap), 1)
393 CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
394 endif
395
396 ifeq ($(feature-libelf-getphdrnum), 1)
397 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
398 endif
399
400 ifeq ($(feature-libelf-gelf_getnote), 1)
401 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
402 else
403 msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
404 endif
405
406 ifeq ($(feature-libelf-getshdrstrndx), 1)
407 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
408 endif
409
410 ifndef NO_DWARF
411 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
412 msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
413 NO_DWARF := 1
414 else
415 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
416 LDFLAGS += $(LIBDW_LDFLAGS)
417 EXTLIBS += ${DWARFLIBS}
418 $(call detected,CONFIG_DWARF)
419 endif # PERF_HAVE_DWARF_REGS
420 endif # NO_DWARF
421
422 ifndef NO_LIBBPF
423 ifeq ($(feature-bpf), 1)
424 CFLAGS += -DHAVE_LIBBPF_SUPPORT
425 $(call detected,CONFIG_LIBBPF)
426 endif
427
428 ifndef NO_DWARF
429 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
430 CFLAGS += -DHAVE_BPF_PROLOGUE
431 $(call detected,CONFIG_BPF_PROLOGUE)
432 else
433 msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset());
434 endif
435 else
436 msg := $(warning DWARF support is off, BPF prologue is disabled);
437 endif
438
439 endif # NO_LIBBPF
440endif # NO_LIBELF
441
442ifndef NO_SDT
443 ifneq ($(feature-sdt), 1)
444 msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
445 NO_SDT := 1;
446 else
447 CFLAGS += -DHAVE_SDT_EVENT
448 $(call detected,CONFIG_SDT_EVENT)
449 endif
450endif
451
452ifdef PERF_HAVE_JITDUMP
453 ifndef NO_LIBELF
454 $(call detected,CONFIG_JITDUMP)
455 CFLAGS += -DHAVE_JITDUMP
456 endif
457endif
458
459ifeq ($(SRCARCH),powerpc)
460 ifndef NO_DWARF
461 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
462 endif
463endif
464
465ifndef NO_LIBUNWIND
466 have_libunwind :=
467
468 ifeq ($(feature-libunwind-x86), 1)
469 $(call detected,CONFIG_LIBUNWIND_X86)
470 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
471 LDFLAGS += -lunwind-x86
472 EXTLIBS_LIBUNWIND += -lunwind-x86
473 have_libunwind = 1
474 endif
475
476 ifeq ($(feature-libunwind-aarch64), 1)
477 $(call detected,CONFIG_LIBUNWIND_AARCH64)
478 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
479 LDFLAGS += -lunwind-aarch64
480 EXTLIBS_LIBUNWIND += -lunwind-aarch64
481 have_libunwind = 1
482 $(call feature_check,libunwind-debug-frame-aarch64)
483 ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
484 msg := $(warning No debug_frame support found in libunwind-aarch64);
485 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
486 endif
487 endif
488
489 ifneq ($(feature-libunwind), 1)
490 msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
491 NO_LOCAL_LIBUNWIND := 1
492 else
493 have_libunwind := 1
494 $(call detected,CONFIG_LOCAL_LIBUNWIND)
495 endif
496
497 ifneq ($(have_libunwind), 1)
498 NO_LIBUNWIND := 1
499 endif
500else
501 NO_LOCAL_LIBUNWIND := 1
502endif
503
504ifndef NO_LIBBPF
505 ifneq ($(feature-bpf), 1)
506 msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
507 NO_LIBBPF := 1
508 endif
509endif
510
511dwarf-post-unwind := 1
512dwarf-post-unwind-text := BUG
513
514# setup DWARF post unwinder
515ifdef NO_LIBUNWIND
516 ifdef NO_LIBDW_DWARF_UNWIND
517 msg := $(warning Disabling post unwind, no support found.);
518 dwarf-post-unwind := 0
519 else
520 dwarf-post-unwind-text := libdw
521 $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
522 endif
523else
524 dwarf-post-unwind-text := libunwind
525 $(call detected,CONFIG_LIBUNWIND)
526 # Enable libunwind support by default.
527 ifndef NO_LIBDW_DWARF_UNWIND
528 NO_LIBDW_DWARF_UNWIND := 1
529 endif
530endif
531
532ifeq ($(dwarf-post-unwind),1)
533 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
534 $(call detected,CONFIG_DWARF_UNWIND)
535else
536 NO_DWARF_UNWIND := 1
537endif
538
539ifndef NO_LOCAL_LIBUNWIND
540 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
541 $(call feature_check,libunwind-debug-frame)
542 ifneq ($(feature-libunwind-debug-frame), 1)
543 msg := $(warning No debug_frame support found in libunwind);
544 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
545 endif
546 else
547 # non-ARM has no dwarf_find_debug_frame() function:
548 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
549 endif
550 EXTLIBS += $(LIBUNWIND_LIBS)
551 LDFLAGS += $(LIBUNWIND_LIBS)
552endif
553ifeq ($(findstring -static,${LDFLAGS}),-static)
554 # gcc -static links libgcc_eh which contans piece of libunwind
555 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
556endif
557
558ifndef NO_LIBUNWIND
559 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
560 CFLAGS += $(LIBUNWIND_CFLAGS)
561 LDFLAGS += $(LIBUNWIND_LDFLAGS)
562 EXTLIBS += $(EXTLIBS_LIBUNWIND)
563endif
564
565ifeq ($(NO_SYSCALL_TABLE),0)
566 $(call detected,CONFIG_TRACE)
567else
568 ifndef NO_LIBAUDIT
569 ifneq ($(feature-libaudit), 1)
570 msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
571 NO_LIBAUDIT := 1
572 else
573 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
574 EXTLIBS += -laudit
575 $(call detected,CONFIG_TRACE)
576 endif
577 endif
578endif
579
580ifndef NO_LIBCRYPTO
581 ifneq ($(feature-libcrypto), 1)
582 msg := $(warning No libcrypto.h found, disables jitted code injection, please install libssl-devel or libssl-dev);
583 NO_LIBCRYPTO := 1
584 else
585 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
586 EXTLIBS += -lcrypto
587 $(call detected,CONFIG_CRYPTO)
588 endif
589endif
590
591ifdef NO_NEWT
592 NO_SLANG=1
593endif
594
595ifndef NO_SLANG
596 ifneq ($(feature-libslang), 1)
597 msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
598 NO_SLANG := 1
599 else
600 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
601 CFLAGS += -I/usr/include/slang
602 CFLAGS += -DHAVE_SLANG_SUPPORT
603 EXTLIBS += -lslang
604 $(call detected,CONFIG_SLANG)
605 endif
606endif
607
608ifndef NO_GTK2
609 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
610 ifneq ($(feature-gtk2), 1)
611 msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
612 NO_GTK2 := 1
613 else
614 ifeq ($(feature-gtk2-infobar), 1)
615 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
616 endif
617 CFLAGS += -DHAVE_GTK2_SUPPORT
618 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
619 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
620 EXTLIBS += -ldl
621 endif
622endif
623
624ifdef NO_LIBPERL
625 CFLAGS += -DNO_LIBPERL
626else
627 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
628 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
629 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
630 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
631 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
632 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
633 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
634
635 ifneq ($(feature-libperl), 1)
636 CFLAGS += -DNO_LIBPERL
637 NO_LIBPERL := 1
638 msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
639 else
640 LDFLAGS += $(PERL_EMBED_LDFLAGS)
641 EXTLIBS += $(PERL_EMBED_LIBADD)
642 CFLAGS += -DHAVE_LIBPERL_SUPPORT
643 $(call detected,CONFIG_LIBPERL)
644 endif
645endif
646
647ifeq ($(feature-timerfd), 1)
648 CFLAGS += -DHAVE_TIMERFD_SUPPORT
649else
650 msg := $(warning No timerfd support. Disables 'perf kvm stat live');
651endif
652
653disable-python = $(eval $(disable-python_code))
654define disable-python_code
655 CFLAGS += -DNO_LIBPYTHON
656 $(warning $1)
657 NO_LIBPYTHON := 1
658endef
659
660ifdef NO_LIBPYTHON
661 $(call disable-python,Python support disabled by user)
662else
663
664 ifndef PYTHON
665 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
666 else
667 PYTHON_WORD := $(call shell-wordify,$(PYTHON))
668
669 ifndef PYTHON_CONFIG
670 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
671 else
672
673 ifneq ($(feature-libpython), 1)
674 $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
675 else
676 LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
677 EXTLIBS += $(PYTHON_EMBED_LIBADD)
678 LANG_BINDINGS += $(obj-perf)python/perf.so
679 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
680 $(call detected,CONFIG_LIBPYTHON)
681 endif
682 endif
683 endif
684endif
685
686ifeq ($(feature-libbfd), 1)
687 EXTLIBS += -lbfd
688
689 # call all detections now so we get correct
690 # status in VF output
691 $(call feature_check,liberty)
692 $(call feature_check,liberty-z)
693 $(call feature_check,cplus-demangle)
694
695 ifeq ($(feature-liberty), 1)
696 EXTLIBS += -liberty
697 else
698 ifeq ($(feature-liberty-z), 1)
699 EXTLIBS += -liberty -lz
700 endif
701 endif
702endif
703
704ifdef NO_DEMANGLE
705 CFLAGS += -DNO_DEMANGLE
706else
707 ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
708 EXTLIBS += -liberty
709 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
710 else
711 ifneq ($(feature-libbfd), 1)
712 ifneq ($(feature-liberty), 1)
713 ifneq ($(feature-liberty-z), 1)
714 # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
715 # or any of 'bfd iberty z' trinity
716 ifeq ($(feature-cplus-demangle), 1)
717 EXTLIBS += -liberty
718 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
719 else
720 msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
721 CFLAGS += -DNO_DEMANGLE
722 endif
723 endif
724 endif
725 endif
726 endif
727endif
728
729ifneq ($(filter -lbfd,$(EXTLIBS)),)
730 CFLAGS += -DHAVE_LIBBFD_SUPPORT
731endif
732
733ifndef NO_ZLIB
734 ifeq ($(feature-zlib), 1)
735 CFLAGS += -DHAVE_ZLIB_SUPPORT
736 EXTLIBS += -lz
737 $(call detected,CONFIG_ZLIB)
738 else
739 NO_ZLIB := 1
740 endif
741endif
742
743ifndef NO_LZMA
744 ifeq ($(feature-lzma), 1)
745 CFLAGS += -DHAVE_LZMA_SUPPORT
746 EXTLIBS += -llzma
747 $(call detected,CONFIG_LZMA)
748 else
749 msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
750 NO_LZMA := 1
751 endif
752endif
753
754ifndef NO_BACKTRACE
755 ifeq ($(feature-backtrace), 1)
756 CFLAGS += -DHAVE_BACKTRACE_SUPPORT
757 endif
758endif
759
760ifndef NO_LIBNUMA
761 ifeq ($(feature-libnuma), 0)
762 msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
763 NO_LIBNUMA := 1
764 else
765 ifeq ($(feature-numa_num_possible_cpus), 0)
766 msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
767 NO_LIBNUMA := 1
768 else
769 CFLAGS += -DHAVE_LIBNUMA_SUPPORT
770 EXTLIBS += -lnuma
771 $(call detected,CONFIG_NUMA)
772 endif
773 endif
774endif
775
776ifdef HAVE_KVM_STAT_SUPPORT
777 CFLAGS += -DHAVE_KVM_STAT_SUPPORT
778endif
779
780ifeq (${IS_64_BIT}, 1)
781 ifndef NO_PERF_READ_VDSO32
782 $(call feature_check,compile-32)
783 ifeq ($(feature-compile-32), 1)
784 CFLAGS += -DHAVE_PERF_READ_VDSO32
785 else
786 NO_PERF_READ_VDSO32 := 1
787 endif
788 endif
789 ifneq ($(SRCARCH), x86)
790 NO_PERF_READ_VDSOX32 := 1
791 endif
792 ifndef NO_PERF_READ_VDSOX32
793 $(call feature_check,compile-x32)
794 ifeq ($(feature-compile-x32), 1)
795 CFLAGS += -DHAVE_PERF_READ_VDSOX32
796 else
797 NO_PERF_READ_VDSOX32 := 1
798 endif
799 endif
800else
801 NO_PERF_READ_VDSO32 := 1
802 NO_PERF_READ_VDSOX32 := 1
803endif
804
805ifndef NO_LIBBABELTRACE
806 $(call feature_check,libbabeltrace)
807 ifeq ($(feature-libbabeltrace), 1)
808 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
809 LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
810 EXTLIBS += -lbabeltrace-ctf
811 $(call detected,CONFIG_LIBBABELTRACE)
812 else
813 msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
814 endif
815endif
816
817ifndef NO_AUXTRACE
818 ifeq ($(SRCARCH),x86)
819 ifeq ($(feature-get_cpuid), 0)
820 msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
821 NO_AUXTRACE := 1
822 endif
823 endif
824 ifndef NO_AUXTRACE
825 $(call detected,CONFIG_AUXTRACE)
826 CFLAGS += -DHAVE_AUXTRACE_SUPPORT
827 endif
828endif
829
830ifndef NO_JVMTI
831 ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
832 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
833 else
834 ifneq (,$(wildcard /usr/sbin/alternatives))
835 JDIR=$(shell alternatives --display java | tail -1 | cut -d' ' -f 5 | sed 's%/jre/bin/java.%%g')
836 endif
837 endif
838 ifndef JDIR
839 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
840 NO_JVMTI := 1
841 endif
842endif
843
844ifndef NO_JVMTI
845 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
846 $(call feature_check,jvmti)
847 ifeq ($(feature-jvmti), 1)
848 $(call detected_var,JDIR)
849 else
850 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel)
851 NO_JVMTI := 1
852 endif
853endif
854
855USE_CXX = 0
856USE_CLANGLLVM = 0
857ifdef LIBCLANGLLVM
858 $(call feature_check,cxx)
859 ifneq ($(feature-cxx), 1)
860 msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
861 else
862 $(call feature_check,llvm)
863 $(call feature_check,llvm-version)
864 ifneq ($(feature-llvm), 1)
865 msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
866 else
867 $(call feature_check,clang)
868 ifneq ($(feature-clang), 1)
869 msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
870 else
871 CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
872 CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
873 $(call detected,CONFIG_CXX)
874 $(call detected,CONFIG_CLANGLLVM)
875 USE_CXX = 1
876 USE_LLVM = 1
877 USE_CLANG = 1
878 ifneq ($(feature-llvm-version),1)
879 msg := $(warning This version of LLVM is not tested. May cause build errors)
880 endif
881 endif
882 endif
883 endif
884endif
885
886# Among the variables below, these:
887# perfexecdir
888# template_dir
889# mandir
890# infodir
891# htmldir
892# ETC_PERFCONFIG (but not sysconfdir)
893# can be specified as a relative path some/where/else;
894# this is interpreted as relative to $(prefix) and "perf" at
895# runtime figures out where they are based on the path to the executable.
896# This can help installing the suite in a relocatable way.
897
898# Make the path relative to DESTDIR, not to prefix
899ifndef DESTDIR
900prefix ?= $(HOME)
901endif
902bindir_relative = bin
903bindir = $(abspath $(prefix)/$(bindir_relative))
904mandir = share/man
905infodir = share/info
906perfexecdir = libexec/perf-core
907sharedir = $(prefix)/share
908template_dir = share/perf-core/templates
909STRACE_GROUPS_DIR = share/perf-core/strace/groups
910htmldir = share/doc/perf-doc
911tipdir = share/doc/perf-tip
912srcdir = $(srctree)/tools/perf
913ifeq ($(prefix),/usr)
914sysconfdir = /etc
915ETC_PERFCONFIG = $(sysconfdir)/perfconfig
916else
917sysconfdir = $(prefix)/etc
918ETC_PERFCONFIG = etc/perfconfig
919endif
920ifndef lib
921ifeq ($(SRCARCH)$(IS_64_BIT), x861)
922lib = lib64
923else
924lib = lib
925endif
926endif # lib
927libdir = $(prefix)/$(lib)
928
929# Shell quote (do not use $(call) to accommodate ancient setups);
930ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
931STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
932DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
933bindir_SQ = $(subst ','\'',$(bindir))
934mandir_SQ = $(subst ','\'',$(mandir))
935infodir_SQ = $(subst ','\'',$(infodir))
936perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
937template_dir_SQ = $(subst ','\'',$(template_dir))
938htmldir_SQ = $(subst ','\'',$(htmldir))
939tipdir_SQ = $(subst ','\'',$(tipdir))
940prefix_SQ = $(subst ','\'',$(prefix))
941sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
942libdir_SQ = $(subst ','\'',$(libdir))
943srcdir_SQ = $(subst ','\'',$(srcdir))
944
945ifneq ($(filter /%,$(firstword $(perfexecdir))),)
946perfexec_instdir = $(perfexecdir)
947STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
948tip_instdir = $(tipdir)
949else
950perfexec_instdir = $(prefix)/$(perfexecdir)
951STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
952tip_instdir = $(prefix)/$(tipdir)
953endif
954perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
955STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
956tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
957
958# If we install to $(HOME) we keep the traceevent default:
959# $(HOME)/.traceevent/plugins
960# Otherwise we install plugins into the global $(libdir).
961ifdef DESTDIR
962plugindir=$(libdir)/traceevent/plugins
963plugindir_SQ= $(subst ','\'',$(plugindir))
964endif
965
966print_var = $(eval $(print_var_code)) $(info $(MSG))
967define print_var_code
968 MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
969endef
970
971ifeq ($(VF),1)
972 # Display EXTRA features which are detected manualy
973 # from here with feature_check call and thus cannot
974 # be partof global state output.
975 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),))
976 $(call print_var,prefix)
977 $(call print_var,bindir)
978 $(call print_var,libdir)
979 $(call print_var,sysconfdir)
980 $(call print_var,LIBUNWIND_DIR)
981 $(call print_var,LIBDW_DIR)
982 $(call print_var,JDIR)
983
984 ifeq ($(dwarf-post-unwind),1)
985 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
986 endif
987 $(info )
988endif
989
990$(call detected_var,bindir_SQ)
991$(call detected_var,PYTHON_WORD)
992ifneq ($(OUTPUT),)
993$(call detected_var,OUTPUT)
994endif
995$(call detected_var,htmldir_SQ)
996$(call detected_var,infodir_SQ)
997$(call detected_var,mandir_SQ)
998$(call detected_var,ETC_PERFCONFIG_SQ)
999$(call detected_var,STRACE_GROUPS_DIR_SQ)
1000$(call detected_var,prefix_SQ)
1001$(call detected_var,perfexecdir_SQ)
1002$(call detected_var,tipdir_SQ)
1003$(call detected_var,srcdir_SQ)
1004$(call detected_var,LIBDIR)
1005$(call detected_var,GTK_CFLAGS)
1006$(call detected_var,PERL_EMBED_CCOPTS)
1007$(call detected_var,PYTHON_EMBED_CCOPTS)
1# SPDX-License-Identifier: GPL-2.0-only
2
3ifeq ($(src-perf),)
4src-perf := $(srctree)/tools/perf
5endif
6
7ifeq ($(obj-perf),)
8obj-perf := $(OUTPUT)
9endif
10
11ifneq ($(obj-perf),)
12obj-perf := $(abspath $(obj-perf))/
13endif
14
15$(shell printf "" > $(OUTPUT).config-detected)
16detected = $(shell echo "$(1)=y" >> $(OUTPUT).config-detected)
17detected_var = $(shell echo "$(1)=$($(1))" >> $(OUTPUT).config-detected)
18
19CFLAGS := $(EXTRA_CFLAGS) $(filter-out -Wnested-externs,$(EXTRA_WARNINGS))
20HOSTCFLAGS := $(filter-out -Wnested-externs,$(EXTRA_WARNINGS))
21
22# Enabled Wthread-safety analysis for clang builds.
23ifeq ($(CC_NO_CLANG), 0)
24 CFLAGS += -Wthread-safety
25endif
26
27include $(srctree)/tools/scripts/Makefile.arch
28
29$(call detected_var,SRCARCH)
30
31ifneq ($(NO_SYSCALL_TABLE),1)
32 NO_SYSCALL_TABLE := 1
33
34 ifeq ($(SRCARCH),$(filter $(SRCARCH),x86 powerpc arm64 s390 mips loongarch riscv))
35 NO_SYSCALL_TABLE := 0
36 endif
37
38 ifneq ($(NO_SYSCALL_TABLE),1)
39 CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT
40 endif
41endif
42
43# Additional ARCH settings for ppc
44ifeq ($(SRCARCH),powerpc)
45 CFLAGS += -I$(OUTPUT)arch/powerpc/include/generated
46 ifndef NO_LIBUNWIND
47 LIBUNWIND_LIBS := -lunwind -lunwind-ppc64
48 endif
49endif
50
51# Additional ARCH settings for x86
52ifeq ($(SRCARCH),x86)
53 $(call detected,CONFIG_X86)
54 CFLAGS += -I$(OUTPUT)arch/x86/include/generated
55 ifeq (${IS_64_BIT}, 1)
56 CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT
57 ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
58 ifndef NO_LIBUNWIND
59 LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind -llzma
60 endif
61 $(call detected,CONFIG_X86_64)
62 else
63 ifndef NO_LIBUNWIND
64 LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind
65 endif
66 endif
67endif
68
69ifeq ($(SRCARCH),arm)
70 ifndef NO_LIBUNWIND
71 LIBUNWIND_LIBS = -lunwind -lunwind-arm
72 endif
73endif
74
75ifeq ($(SRCARCH),arm64)
76 CFLAGS += -I$(OUTPUT)arch/arm64/include/generated
77 ifndef NO_LIBUNWIND
78 LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
79 endif
80endif
81
82ifeq ($(SRCARCH),loongarch)
83 CFLAGS += -I$(OUTPUT)arch/loongarch/include/generated
84 ifndef NO_LIBUNWIND
85 LIBUNWIND_LIBS = -lunwind -lunwind-loongarch64
86 endif
87endif
88
89ifeq ($(ARCH),s390)
90 CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated
91endif
92
93ifeq ($(ARCH),mips)
94 CFLAGS += -I$(OUTPUT)arch/mips/include/generated
95 ifndef NO_LIBUNWIND
96 LIBUNWIND_LIBS = -lunwind -lunwind-mips
97 endif
98endif
99
100ifeq ($(ARCH),riscv)
101 CFLAGS += -I$(OUTPUT)arch/riscv/include/generated
102endif
103
104# So far there's only x86 and arm libdw unwind support merged in perf.
105# Disable it on all other architectures in case libdw unwind
106# support is detected in system. Add supported architectures
107# to the check.
108ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390 csky riscv loongarch))
109 NO_LIBDW_DWARF_UNWIND := 1
110endif
111
112ifneq ($(LIBUNWIND),1)
113 NO_LIBUNWIND := 1
114endif
115
116ifeq ($(LIBUNWIND_LIBS),)
117 NO_LIBUNWIND := 1
118endif
119#
120# For linking with debug library, run like:
121#
122# make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
123#
124
125libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
126define libunwind_arch_set_flags_code
127 FEATURE_CHECK_CFLAGS-libunwind-$(1) = -I$(LIBUNWIND_DIR)/include
128 FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
129endef
130
131ifdef LIBUNWIND_DIR
132 LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include
133 LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
134 LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64 loongarch
135 $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
136endif
137
138ifndef NO_LIBUNWIND
139 # Set per-feature check compilation flags
140 FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
141 FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
142 FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
143 FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
144
145 FEATURE_CHECK_LDFLAGS-libunwind-arm += -lunwind -lunwind-arm
146 FEATURE_CHECK_LDFLAGS-libunwind-aarch64 += -lunwind -lunwind-aarch64
147 FEATURE_CHECK_LDFLAGS-libunwind-x86 += -lunwind -llzma -lunwind-x86
148 FEATURE_CHECK_LDFLAGS-libunwind-x86_64 += -lunwind -llzma -lunwind-x86_64
149endif
150
151FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto
152
153ifdef CSINCLUDES
154 LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)
155endif
156OPENCSDLIBS := -lopencsd_c_api -lopencsd
157ifeq ($(findstring -static,${LDFLAGS}),-static)
158 OPENCSDLIBS += -lstdc++
159endif
160ifdef CSLIBS
161 LIBOPENCSD_LDFLAGS := -L$(CSLIBS)
162endif
163FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS)
164FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS)
165
166# for linking with debug library, run like:
167# make DEBUG=1 LIBDW_DIR=/opt/libdw/
168ifdef LIBDW_DIR
169 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include
170 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
171endif
172DWARFLIBS := -ldw
173ifeq ($(findstring -static,${LDFLAGS}),-static)
174 DWARFLIBS += -lelf -lz -llzma -lbz2 -lzstd
175
176 LIBDW_VERSION := $(shell $(PKG_CONFIG) --modversion libdw).0.0
177 LIBDW_VERSION_1 := $(word 1, $(subst ., ,$(LIBDW_VERSION)))
178 LIBDW_VERSION_2 := $(word 2, $(subst ., ,$(LIBDW_VERSION)))
179
180 # Elfutils merged libebl.a into libdw.a starting from version 0.177,
181 # Link libebl.a only if libdw is older than this version.
182 ifeq ($(shell test $(LIBDW_VERSION_2) -lt 177; echo $$?),0)
183 DWARFLIBS += -lebl
184 endif
185
186 # Must put -ldl after -lebl for dependency
187 DWARFLIBS += -ldl
188endif
189FEATURE_CHECK_CFLAGS-libdw := $(LIBDW_CFLAGS)
190FEATURE_CHECK_LDFLAGS-libdw := $(LIBDW_LDFLAGS) $(DWARFLIBS)
191
192# for linking with debug library, run like:
193# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
194ifdef LIBBABELTRACE_DIR
195 LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include
196 LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
197endif
198FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
199FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
200
201# for linking with debug library, run like:
202# make DEBUG=1 LIBCAPSTONE_DIR=/opt/capstone/
203ifdef LIBCAPSTONE_DIR
204 LIBCAPSTONE_CFLAGS := -I$(LIBCAPSTONE_DIR)/include
205 LIBCAPSTONE_LDFLAGS := -L$(LIBCAPSTONE_DIR)/
206endif
207FEATURE_CHECK_CFLAGS-libcapstone := $(LIBCAPSTONE_CFLAGS)
208FEATURE_CHECK_LDFLAGS-libcapstone := $(LIBCAPSTONE_LDFLAGS) -lcapstone
209
210ifdef LIBZSTD_DIR
211 LIBZSTD_CFLAGS := -I$(LIBZSTD_DIR)/lib
212 LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib
213endif
214FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS)
215FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS)
216
217# for linking with debug library, run like:
218# make DEBUG=1 PKG_CONFIG_PATH=/opt/libtraceevent/(lib|lib64)/pkgconfig
219
220ifneq ($(NO_LIBTRACEEVENT),1)
221 ifeq ($(call get-executable,$(PKG_CONFIG)),)
222 $(error Error: $(PKG_CONFIG) needed by libtraceevent is missing on this system, please install it)
223 endif
224endif
225
226FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi
227# include ARCH specific config
228-include $(src-perf)/arch/$(SRCARCH)/Makefile
229
230include $(srctree)/tools/scripts/utilities.mak
231
232ifeq ($(call get-executable,$(FLEX)),)
233 $(error Error: $(FLEX) is missing on this system, please install it)
234endif
235
236ifeq ($(call get-executable,$(BISON)),)
237 $(error Error: $(BISON) is missing on this system, please install it)
238endif
239
240ifneq ($(OUTPUT),)
241 ifeq ($(shell expr $(shell $(BISON) --version | grep bison | sed -e 's/.\+ \([0-9]\+\).\([0-9]\+\).\([0-9]\+\)/\1\2\3/g') \>\= 371), 1)
242 BISON_FILE_PREFIX_MAP := --file-prefix-map=$(OUTPUT)=
243 endif
244endif
245
246# Treat warnings as errors unless directed not to
247ifneq ($(WERROR),0)
248 CORE_CFLAGS += -Werror
249 CXXFLAGS += -Werror
250 HOSTCFLAGS += -Werror
251endif
252
253ifndef DEBUG
254 DEBUG := 0
255endif
256
257ifeq ($(DEBUG),0)
258CORE_CFLAGS += -DNDEBUG=1
259CORE_CFLAGS += -O3
260else
261 CORE_CFLAGS += -g
262 CXXFLAGS += -g
263endif
264
265ifdef PARSER_DEBUG
266 PARSER_DEBUG_BISON := -t
267 PARSER_DEBUG_FLEX := -d
268 CFLAGS += -DPARSER_DEBUG
269 $(call detected_var,PARSER_DEBUG_BISON)
270 $(call detected_var,PARSER_DEBUG_FLEX)
271endif
272
273ifdef LTO
274 CORE_CFLAGS += -flto
275 CXXFLAGS += -flto
276endif
277
278# Try different combinations to accommodate systems that only have
279# python[2][3]-config in weird combinations in the following order of
280# priority from lowest to highest:
281# * python2-config as per pep-0394.
282# * python-config
283# * python3-config
284# * $(PYTHON)-config (If PYTHON is user supplied but PYTHON_CONFIG isn't)
285#
286PYTHON_AUTO := python-config
287PYTHON_AUTO := $(if $(call get-executable,python2-config),python2-config,$(PYTHON_AUTO))
288PYTHON_AUTO := $(if $(call get-executable,python-config),python-config,$(PYTHON_AUTO))
289PYTHON_AUTO := $(if $(call get-executable,python3-config),python3-config,$(PYTHON_AUTO))
290
291# If PYTHON is defined but PYTHON_CONFIG isn't, then take $(PYTHON)-config as if it was the user
292# supplied value for PYTHON_CONFIG. Because it's "user supplied", error out if it doesn't exist.
293ifdef PYTHON
294 ifndef PYTHON_CONFIG
295 PYTHON_CONFIG_AUTO := $(call get-executable,$(PYTHON)-config)
296 PYTHON_CONFIG := $(if $(PYTHON_CONFIG_AUTO),$(PYTHON_CONFIG_AUTO),\
297 $(call $(error $(PYTHON)-config not found)))
298 endif
299endif
300
301# Select either auto detected python and python-config or use user supplied values if they are
302# defined. get-executable-or-default fails with an error if the first argument is supplied but
303# doesn't exist.
304override PYTHON_CONFIG := $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON_AUTO))
305override PYTHON := $(call get-executable-or-default,PYTHON,$(subst -config,,$(PYTHON_CONFIG)))
306
307grep-libs = $(filter -l%,$(1))
308strip-libs = $(filter-out -l%,$(1))
309
310PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
311
312# Python 3.8 changed the output of `python-config --ldflags` to not include the
313# '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for
314# libpython fails if that flag is not included in LDFLAGS
315ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0)
316 PYTHON_CONFIG_LDFLAGS := --ldflags --embed
317else
318 PYTHON_CONFIG_LDFLAGS := --ldflags
319endif
320
321ifdef PYTHON_CONFIG
322 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) $(PYTHON_CONFIG_LDFLAGS) 2>/dev/null)
323 # Update the python flags for cross compilation
324 ifdef CROSS_COMPILE
325 PYTHON_NATIVE := $(shell echo $(PYTHON_EMBED_LDOPTS) | sed 's/\(-L.*\/\)\(.*-linux-gnu\).*/\2/')
326 PYTHON_EMBED_LDOPTS := $(subst $(PYTHON_NATIVE),$(shell $(CC) -dumpmachine),$(PYTHON_EMBED_LDOPTS))
327 endif
328 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
329 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
330 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null)
331 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
332 ifeq ($(CC_NO_CLANG), 0)
333 PYTHON_EMBED_CCOPTS := $(filter-out -ffat-lto-objects, $(PYTHON_EMBED_CCOPTS))
334 endif
335endif
336
337FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
338FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
339
340FEATURE_CHECK_LDFLAGS-libaio = -lrt
341
342FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes -ldl
343FEATURE_CHECK_LDFLAGS-disassembler-init-styled = -lbfd -lopcodes -ldl
344
345CORE_CFLAGS += -fno-omit-frame-pointer
346CORE_CFLAGS += -Wall
347CORE_CFLAGS += -Wextra
348CORE_CFLAGS += -std=gnu11
349
350CXXFLAGS += -std=gnu++17 -fno-exceptions -fno-rtti
351CXXFLAGS += -Wall
352CXXFLAGS += -Wextra
353CXXFLAGS += -fno-omit-frame-pointer
354
355HOSTCFLAGS += -Wall
356HOSTCFLAGS += -Wextra
357
358# Enforce a non-executable stack, as we may regress (again) in the future by
359# adding assembler files missing the .GNU-stack linker note.
360LDFLAGS += -Wl,-z,noexecstack
361
362EXTLIBS = -lpthread -lrt -lm -ldl
363
364ifneq ($(TCMALLOC),)
365 CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free
366 EXTLIBS += -ltcmalloc
367endif
368
369ifeq ($(FEATURES_DUMP),)
370# We will display at the end of this Makefile.config, using $(call feature_display_entries)
371# As we may retry some feature detection here, see the disassembler-four-args case, for instance
372 FEATURE_DISPLAY_DEFERRED := 1
373include $(srctree)/tools/build/Makefile.feature
374else
375include $(FEATURES_DUMP)
376endif
377
378ifeq ($(feature-stackprotector-all), 1)
379 CORE_CFLAGS += -fstack-protector-all
380endif
381
382ifeq ($(DEBUG),0)
383 ifeq ($(feature-fortify-source), 1)
384 CORE_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
385 endif
386endif
387
388INC_FLAGS += -I$(src-perf)/util/include
389INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
390INC_FLAGS += -I$(srctree)/tools/include/
391INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
392INC_FLAGS += -I$(srctree)/tools/include/uapi
393INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
394INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
395
396# $(obj-perf) for generated common-cmds.h
397# $(obj-perf)/util for generated bison/flex headers
398ifneq ($(OUTPUT),)
399INC_FLAGS += -I$(obj-perf)/util
400INC_FLAGS += -I$(obj-perf)
401endif
402
403INC_FLAGS += -I$(src-perf)/util
404INC_FLAGS += -I$(src-perf)
405
406CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
407
408CFLAGS += $(CORE_CFLAGS) $(INC_FLAGS)
409CXXFLAGS += $(INC_FLAGS)
410
411LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS)
412
413ifeq ($(feature-pthread-attr-setaffinity-np), 1)
414 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
415endif
416
417ifeq ($(feature-pthread-barrier), 1)
418 CFLAGS += -DHAVE_PTHREAD_BARRIER
419endif
420
421ifndef NO_BIONIC
422 $(call feature_check,bionic)
423 ifeq ($(feature-bionic), 1)
424 BIONIC := 1
425 CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE
426 CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE
427 EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
428 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
429 endif
430endif
431
432ifeq ($(feature-eventfd), 1)
433 CFLAGS += -DHAVE_EVENTFD_SUPPORT
434endif
435
436ifeq ($(feature-get_current_dir_name), 1)
437 CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME
438endif
439
440ifeq ($(feature-gettid), 1)
441 CFLAGS += -DHAVE_GETTID
442endif
443
444ifeq ($(feature-file-handle), 1)
445 CFLAGS += -DHAVE_FILE_HANDLE
446endif
447
448ifdef NO_LIBELF
449 NO_LIBDW := 1
450 NO_LIBUNWIND := 1
451 NO_LIBDW_DWARF_UNWIND := 1
452 NO_LIBBPF := 1
453 NO_JVMTI := 1
454else
455 ifeq ($(feature-libelf), 0)
456 ifeq ($(feature-glibc), 1)
457 LIBC_SUPPORT := 1
458 endif
459 ifeq ($(BIONIC),1)
460 LIBC_SUPPORT := 1
461 endif
462 ifeq ($(LIBC_SUPPORT),1)
463 $(error ERROR: No libelf found. Disables 'probe' tool, jvmti and BPF support. Please install libelf-dev, libelf-devel, elfutils-libelf-devel or build with NO_LIBELF=1.)
464 else
465 ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),)
466 ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0)
467 $(error No libasan found, please install libasan)
468 endif
469 endif
470
471 ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),)
472 ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0)
473 $(error No libubsan found, please install libubsan)
474 endif
475 endif
476
477 ifneq ($(filter s% -static%,$(LDFLAGS),),)
478 $(error No static glibc found, please install glibc-static)
479 else
480 $(error No gnu/libc-version.h found, please install glibc-dev[el])
481 endif
482 endif
483 else
484 ifneq ($(feature-libdw), 1)
485 ifndef NO_LIBDW
486 $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.157, disables dwarf support. Please install new elfutils-devel/libdw-dev)
487 NO_LIBDW := 1
488 endif
489 endif # Dwarf support
490 endif # libelf support
491endif # NO_LIBELF
492
493ifeq ($(feature-libaio), 1)
494 ifndef NO_AIO
495 CFLAGS += -DHAVE_AIO_SUPPORT
496 endif
497endif
498
499ifdef NO_LIBDW
500 NO_LIBDW_DWARF_UNWIND := 1
501endif
502
503ifeq ($(feature-scandirat), 1)
504 # Ignore having scandirat with memory sanitizer that lacks an interceptor.
505 ifeq ($(filter s% -fsanitize=memory%,$(EXTRA_CFLAGS),),)
506 CFLAGS += -DHAVE_SCANDIRAT_SUPPORT
507 endif
508endif
509
510ifeq ($(feature-sched_getcpu), 1)
511 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
512endif
513
514ifeq ($(feature-setns), 1)
515 CFLAGS += -DHAVE_SETNS_SUPPORT
516 $(call detected,CONFIG_SETNS)
517endif
518
519ifdef CORESIGHT
520 $(call feature_check,libopencsd)
521 ifeq ($(feature-libopencsd), 1)
522 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
523 ifeq ($(feature-reallocarray), 0)
524 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
525 endif
526 LDFLAGS += $(LIBOPENCSD_LDFLAGS)
527 EXTLIBS += $(OPENCSDLIBS)
528 $(call detected,CONFIG_LIBOPENCSD)
529 ifdef CSTRACE_RAW
530 CFLAGS += -DCS_DEBUG_RAW
531 ifeq (${CSTRACE_RAW}, packed)
532 CFLAGS += -DCS_RAW_PACKED
533 endif
534 endif
535 else
536 $(error Error: No libopencsd library found or the version is not up-to-date. Please install recent libopencsd to build with CORESIGHT=1)
537 endif
538endif
539
540ifndef NO_ZLIB
541 ifeq ($(feature-zlib), 1)
542 CFLAGS += -DHAVE_ZLIB_SUPPORT
543 EXTLIBS += -lz
544 $(call detected,CONFIG_ZLIB)
545 else
546 NO_ZLIB := 1
547 endif
548endif
549
550ifndef NO_LIBELF
551 CFLAGS += -DHAVE_LIBELF_SUPPORT
552 EXTLIBS += -lelf
553 $(call detected,CONFIG_LIBELF)
554
555 ifeq ($(feature-libelf-getphdrnum), 1)
556 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
557 endif
558
559 ifeq ($(feature-libelf-gelf_getnote), 1)
560 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
561 else
562 $(warning gelf_getnote() not found on libelf, SDT support disabled)
563 endif
564
565 ifeq ($(feature-libelf-getshdrstrndx), 1)
566 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
567 endif
568
569 ifndef NO_LIBDEBUGINFOD
570 $(call feature_check,libdebuginfod)
571 ifeq ($(feature-libdebuginfod), 1)
572 CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT
573 EXTLIBS += -ldebuginfod
574 endif
575 endif
576
577 ifndef NO_LIBDW
578 CFLAGS += -DHAVE_LIBDW_SUPPORT $(LIBDW_CFLAGS)
579 LDFLAGS += $(LIBDW_LDFLAGS)
580 EXTLIBS += ${DWARFLIBS}
581 $(call detected,CONFIG_LIBDW)
582 endif # NO_LIBDW
583
584 ifndef NO_LIBBPF
585 ifeq ($(feature-bpf), 1)
586 # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status
587 $(call feature_check,libbpf)
588
589 ifdef LIBBPF_DYNAMIC
590 ifeq ($(feature-libbpf), 1)
591 EXTLIBS += -lbpf
592 CFLAGS += -DHAVE_LIBBPF_SUPPORT
593 $(call detected,CONFIG_LIBBPF)
594 $(call detected,CONFIG_LIBBPF_DYNAMIC)
595 else
596 $(error Error: No libbpf devel library found or older than v1.0, please install/update libbpf-devel)
597 endif
598 else
599 ifeq ($(NO_ZLIB), 1)
600 $(warning Warning: Statically building libbpf not possible as zlib is missing)
601 NO_LIBBPF := 1
602 else
603 # Libbpf will be built as a static library from tools/lib/bpf.
604 LIBBPF_STATIC := 1
605 $(call detected,CONFIG_LIBBPF)
606 CFLAGS += -DHAVE_LIBBPF_SUPPORT
607 endif
608 endif
609 endif
610 endif # NO_LIBBPF
611endif # NO_LIBELF
612
613ifndef NO_SDT
614 ifneq ($(feature-sdt), 1)
615 $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev)
616 NO_SDT := 1;
617 else
618 CFLAGS += -DHAVE_SDT_EVENT
619 $(call detected,CONFIG_SDT_EVENT)
620 endif
621endif
622
623ifdef PERF_HAVE_JITDUMP
624 ifndef NO_LIBELF
625 $(call detected,CONFIG_JITDUMP)
626 CFLAGS += -DHAVE_JITDUMP
627 endif
628endif
629
630ifeq ($(SRCARCH),powerpc)
631 ifndef NO_LIBDW
632 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
633 endif
634endif
635
636ifndef NO_LIBUNWIND
637 have_libunwind :=
638
639 $(call feature_check,libunwind-x86)
640 ifeq ($(feature-libunwind-x86), 1)
641 $(call detected,CONFIG_LIBUNWIND_X86)
642 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
643 LDFLAGS += -lunwind-x86
644 EXTLIBS_LIBUNWIND += -lunwind-x86
645 have_libunwind = 1
646 endif
647
648 $(call feature_check,libunwind-aarch64)
649 ifeq ($(feature-libunwind-aarch64), 1)
650 $(call detected,CONFIG_LIBUNWIND_AARCH64)
651 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
652 LDFLAGS += -lunwind-aarch64
653 EXTLIBS_LIBUNWIND += -lunwind-aarch64
654 have_libunwind = 1
655 $(call feature_check,libunwind-debug-frame-aarch64)
656 ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
657 $(warning No debug_frame support found in libunwind-aarch64)
658 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
659 endif
660 endif
661
662 ifneq ($(feature-libunwind), 1)
663 $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR)
664 NO_LOCAL_LIBUNWIND := 1
665 else
666 have_libunwind := 1
667 $(call detected,CONFIG_LOCAL_LIBUNWIND)
668 endif
669
670 ifneq ($(have_libunwind), 1)
671 NO_LIBUNWIND := 1
672 endif
673else
674 NO_LOCAL_LIBUNWIND := 1
675endif
676
677ifndef NO_LIBBPF
678 ifneq ($(feature-bpf), 1)
679 $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
680 NO_LIBBPF := 1
681 endif
682endif
683
684ifndef BUILD_BPF_SKEL
685 # BPF skeletons control a large number of perf features, by default
686 # they are enabled.
687 BUILD_BPF_SKEL := 1
688endif
689
690ifeq ($(BUILD_BPF_SKEL),1)
691 ifeq ($(filter -DHAVE_LIBELF_SUPPORT, $(CFLAGS)),)
692 $(warning Warning: Disabled BPF skeletons as libelf is required by bpftool)
693 BUILD_BPF_SKEL := 0
694 else ifeq ($(filter -DHAVE_ZLIB_SUPPORT, $(CFLAGS)),)
695 $(warning Warning: Disabled BPF skeletons as zlib is required by bpftool)
696 BUILD_BPF_SKEL := 0
697 else ifeq ($(filter -DHAVE_LIBBPF_SUPPORT, $(CFLAGS)),)
698 $(warning Warning: Disabled BPF skeletons as libbpf is required)
699 BUILD_BPF_SKEL := 0
700 else ifeq ($(call get-executable,$(CLANG)),)
701 $(warning Warning: Disabled BPF skeletons as clang ($(CLANG)) is missing)
702 BUILD_BPF_SKEL := 0
703 else
704 CLANG_VERSION := $(shell $(CLANG) --version | head -1 | sed 's/.*clang version \([[:digit:]]\+.[[:digit:]]\+.[[:digit:]]\+\).*/\1/g')
705 ifeq ($(call version-lt3,$(CLANG_VERSION),12.0.1),1)
706 $(warning Warning: Disabled BPF skeletons as reliable BTF generation needs at least $(CLANG) version 12.0.1)
707 BUILD_BPF_SKEL := 0
708 endif
709 endif
710 ifeq ($(BUILD_BPF_SKEL),1)
711 $(call feature_check,clang-bpf-co-re)
712 ifeq ($(feature-clang-bpf-co-re), 0)
713 $(warning Warning: Disabled BPF skeletons as clang is too old)
714 BUILD_BPF_SKEL := 0
715 endif
716 endif
717 ifeq ($(BUILD_BPF_SKEL),1)
718 $(call detected,CONFIG_PERF_BPF_SKEL)
719 CFLAGS += -DHAVE_BPF_SKEL
720 endif
721endif
722
723ifndef GEN_VMLINUX_H
724 VMLINUX_H=$(src-perf)/util/bpf_skel/vmlinux/vmlinux.h
725endif
726
727dwarf-post-unwind := 1
728dwarf-post-unwind-text := BUG
729
730# setup DWARF post unwinder
731ifdef NO_LIBUNWIND
732 ifdef NO_LIBDW_DWARF_UNWIND
733 $(warning Disabling post unwind, no support found.)
734 dwarf-post-unwind := 0
735 else
736 dwarf-post-unwind-text := libdw
737 $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
738 endif
739else
740 dwarf-post-unwind-text := libunwind
741 $(call detected,CONFIG_LIBUNWIND)
742 # Enable libunwind support by default.
743 ifndef NO_LIBDW_DWARF_UNWIND
744 NO_LIBDW_DWARF_UNWIND := 1
745 endif
746endif
747
748ifeq ($(dwarf-post-unwind),1)
749 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
750 $(call detected,CONFIG_DWARF_UNWIND)
751endif
752
753ifndef NO_LIBUNWIND
754 ifndef NO_LOCAL_LIBUNWIND
755 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
756 $(call feature_check,libunwind-debug-frame)
757 ifneq ($(feature-libunwind-debug-frame), 1)
758 $(warning No debug_frame support found in libunwind)
759 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
760 endif
761 else
762 # non-ARM has no dwarf_find_debug_frame() function:
763 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
764 endif
765 EXTLIBS += $(LIBUNWIND_LIBS)
766 LDFLAGS += $(LIBUNWIND_LIBS)
767 endif
768 ifeq ($(findstring -static,${LDFLAGS}),-static)
769 # gcc -static links libgcc_eh which contans piece of libunwind
770 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
771 endif
772 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
773 CFLAGS += $(LIBUNWIND_CFLAGS)
774 LDFLAGS += $(LIBUNWIND_LDFLAGS)
775 EXTLIBS += $(EXTLIBS_LIBUNWIND)
776endif
777
778ifneq ($(NO_LIBTRACEEVENT),1)
779 ifeq ($(NO_SYSCALL_TABLE),0)
780 $(call detected,CONFIG_TRACE)
781 else
782 ifndef NO_LIBAUDIT
783 $(call feature_check,libaudit)
784 ifneq ($(feature-libaudit), 1)
785 $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev)
786 NO_LIBAUDIT := 1
787 else
788 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
789 EXTLIBS += -laudit
790 $(call detected,CONFIG_TRACE)
791 endif
792 endif
793 endif
794endif
795
796ifndef NO_LIBCRYPTO
797 ifneq ($(feature-libcrypto), 1)
798 $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev)
799 NO_LIBCRYPTO := 1
800 else
801 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
802 EXTLIBS += -lcrypto
803 $(call detected,CONFIG_CRYPTO)
804 endif
805endif
806
807ifndef NO_SLANG
808 ifneq ($(feature-libslang), 1)
809 ifneq ($(feature-libslang-include-subdir), 1)
810 $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev)
811 NO_SLANG := 1
812 else
813 CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR
814 endif
815 endif
816 ifndef NO_SLANG
817 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
818 CFLAGS += -DHAVE_SLANG_SUPPORT
819 EXTLIBS += -lslang
820 $(call detected,CONFIG_SLANG)
821 endif
822endif
823
824ifdef GTK2
825 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
826 $(call feature_check,gtk2)
827 ifneq ($(feature-gtk2), 1)
828 $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev)
829 NO_GTK2 := 1
830 else
831 $(call feature_check,gtk2-infobar)
832 ifeq ($(feature-gtk2-infobar), 1)
833 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
834 endif
835 CFLAGS += -DHAVE_GTK2_SUPPORT
836 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
837 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
838 EXTLIBS += -ldl
839 endif
840endif
841
842ifdef NO_LIBPERL
843 CFLAGS += -DNO_LIBPERL
844else
845 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
846 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
847 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
848 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
849 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
850 PERL_EMBED_CCOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(PERL_EMBED_CCOPTS))
851 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
852 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
853
854 ifneq ($(feature-libperl), 1)
855 CFLAGS += -DNO_LIBPERL
856 NO_LIBPERL := 1
857 $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev)
858 else
859 LDFLAGS += $(PERL_EMBED_LDFLAGS)
860 EXTLIBS += $(PERL_EMBED_LIBADD)
861 CFLAGS += -DHAVE_LIBPERL_SUPPORT
862 ifeq ($(CC_NO_CLANG), 0)
863 CFLAGS += -Wno-compound-token-split-by-macro
864 endif
865 $(call detected,CONFIG_LIBPERL)
866 endif
867endif
868
869ifeq ($(feature-timerfd), 1)
870 CFLAGS += -DHAVE_TIMERFD_SUPPORT
871else
872 $(warning No timerfd support. Disables 'perf kvm stat live')
873endif
874
875disable-python = $(eval $(disable-python_code))
876define disable-python_code
877 CFLAGS += -DNO_LIBPYTHON
878 $(warning $1)
879 NO_LIBPYTHON := 1
880endef
881
882PYTHON_EXTENSION_SUFFIX := '.so'
883ifdef NO_LIBPYTHON
884 $(call disable-python,Python support disabled by user)
885else
886
887 ifndef PYTHON
888 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
889 else
890 PYTHON_WORD := $(call shell-wordify,$(PYTHON))
891
892 ifndef PYTHON_CONFIG
893 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
894 else
895
896 ifneq ($(feature-libpython), 1)
897 $(call disable-python,No 'Python.h' was found: disables Python support - please install python-devel/python-dev)
898 else
899 LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
900 EXTLIBS += $(PYTHON_EMBED_LIBADD)
901 PYTHON_SETUPTOOLS_INSTALLED := $(shell $(PYTHON) -c 'import setuptools;' 2> /dev/null && echo "yes" || echo "no")
902 ifeq ($(PYTHON_SETUPTOOLS_INSTALLED), yes)
903 PYTHON_EXTENSION_SUFFIX := $(shell $(PYTHON) -c 'from importlib import machinery; print(machinery.EXTENSION_SUFFIXES[0])')
904 ifdef CROSS_COMPILE
905 PYTHON_EXTENSION_SUFFIX := $(subst $(PYTHON_NATIVE),$(shell $(CC) -dumpmachine),$(PYTHON_EXTENSION_SUFFIX))
906 endif
907 LANG_BINDINGS += $(obj-perf)python/perf$(PYTHON_EXTENSION_SUFFIX)
908 else
909 $(warning Missing python setuptools, the python binding won't be built, please install python3-setuptools or equivalent)
910 endif
911 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
912 $(call detected,CONFIG_LIBPYTHON)
913 ifeq ($(filter -fPIC,$(CFLAGS)),)
914 # Building a shared library requires position independent code.
915 CFLAGS += -fPIC
916 CXXFLAGS += -fPIC
917 endif
918 endif
919 endif
920 endif
921endif
922
923ifneq ($(NO_JEVENTS),1)
924 ifeq ($(wildcard pmu-events/arch/$(SRCARCH)/mapfile.csv),)
925 NO_JEVENTS := 1
926 endif
927endif
928ifneq ($(NO_JEVENTS),1)
929 NO_JEVENTS := 0
930 ifndef PYTHON
931 $(error ERROR: No python interpreter needed for jevents generation. Install python or build with NO_JEVENTS=1.)
932 else
933 # jevents.py uses f-strings present in Python 3.6 released in Dec. 2016.
934 JEVENTS_PYTHON_GOOD := $(shell $(PYTHON) -c 'import sys;print("1" if(sys.version_info.major >= 3 and sys.version_info.minor >= 6) else "0")' 2> /dev/null)
935 ifneq ($(JEVENTS_PYTHON_GOOD), 1)
936 $(error ERROR: Python interpreter needed for jevents generation too old (older than 3.6). Install a newer python or build with NO_JEVENTS=1.)
937 endif
938 endif
939endif
940
941ifdef BUILD_NONDISTRO
942 ifeq ($(feature-libbfd), 1)
943 EXTLIBS += -lbfd -lopcodes
944 else
945 # we are on a system that requires -liberty and (maybe) -lz
946 # to link against -lbfd; test each case individually here
947
948 # call all detections now so we get correct
949 # status in VF output
950 $(call feature_check,libbfd-liberty)
951 $(call feature_check,libbfd-liberty-z)
952
953 ifeq ($(feature-libbfd-liberty), 1)
954 EXTLIBS += -lbfd -lopcodes -liberty
955 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl
956 FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -ldl
957 else
958 ifeq ($(feature-libbfd-liberty-z), 1)
959 EXTLIBS += -lbfd -lopcodes -liberty -lz
960 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl
961 FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -lz -ldl
962 endif
963 endif
964 $(call feature_check,disassembler-four-args)
965 $(call feature_check,disassembler-init-styled)
966 endif
967
968 CFLAGS += -DHAVE_LIBBFD_SUPPORT
969 CXXFLAGS += -DHAVE_LIBBFD_SUPPORT
970 ifeq ($(feature-libbfd-buildid), 1)
971 CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT
972 else
973 $(warning Old version of libbfd/binutils things like PE executable profiling will not be available)
974 endif
975endif
976
977ifndef NO_LIBLLVM
978 $(call feature_check,llvm-perf)
979 ifeq ($(feature-llvm-perf), 1)
980 CFLAGS += -DHAVE_LIBLLVM_SUPPORT
981 CFLAGS += $(shell $(LLVM_CONFIG) --cflags)
982 CXXFLAGS += -DHAVE_LIBLLVM_SUPPORT
983 CXXFLAGS += $(shell $(LLVM_CONFIG) --cxxflags)
984 LIBLLVM = $(shell $(LLVM_CONFIG) --libs all) $(shell $(LLVM_CONFIG) --system-libs)
985 EXTLIBS += -L$(shell $(LLVM_CONFIG) --libdir) $(LIBLLVM)
986 EXTLIBS += -lstdc++
987 $(call detected,CONFIG_LIBLLVM)
988 else
989 $(warning No libllvm 13+ found, slower source file resolution, please install llvm-devel/llvm-dev)
990 NO_LIBLLVM := 1
991 endif
992endif
993
994ifndef NO_DEMANGLE
995 $(call feature_check,cxa-demangle)
996 ifeq ($(feature-cxa-demangle), 1)
997 EXTLIBS += -lstdc++
998 CFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT
999 CXXFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT
1000 $(call detected,CONFIG_CXX_DEMANGLE)
1001 endif
1002 ifdef BUILD_NONDISTRO
1003 ifeq ($(filter -liberty,$(EXTLIBS)),)
1004 $(call feature_check,cplus-demangle)
1005 ifeq ($(feature-cplus-demangle), 1)
1006 EXTLIBS += -liberty
1007 endif
1008 endif
1009 ifneq ($(filter -liberty,$(EXTLIBS)),)
1010 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
1011 CXXFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
1012 endif
1013 endif
1014endif
1015
1016ifndef NO_LZMA
1017 ifeq ($(feature-lzma), 1)
1018 CFLAGS += -DHAVE_LZMA_SUPPORT
1019 EXTLIBS += -llzma
1020 $(call detected,CONFIG_LZMA)
1021 else
1022 $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev)
1023 NO_LZMA := 1
1024 endif
1025endif
1026
1027ifndef NO_LIBZSTD
1028 ifeq ($(feature-libzstd), 1)
1029 CFLAGS += -DHAVE_ZSTD_SUPPORT
1030 CFLAGS += $(LIBZSTD_CFLAGS)
1031 LDFLAGS += $(LIBZSTD_LDFLAGS)
1032 EXTLIBS += -lzstd
1033 $(call detected,CONFIG_ZSTD)
1034 else
1035 $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR)
1036 NO_LIBZSTD := 1
1037 endif
1038endif
1039
1040ifndef NO_BACKTRACE
1041 ifeq ($(feature-backtrace), 1)
1042 CFLAGS += -DHAVE_BACKTRACE_SUPPORT
1043 endif
1044endif
1045
1046ifndef NO_LIBNUMA
1047 ifeq ($(feature-libnuma), 0)
1048 $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev)
1049 NO_LIBNUMA := 1
1050 else
1051 ifeq ($(feature-numa_num_possible_cpus), 0)
1052 $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8)
1053 NO_LIBNUMA := 1
1054 else
1055 CFLAGS += -DHAVE_LIBNUMA_SUPPORT
1056 EXTLIBS += -lnuma
1057 $(call detected,CONFIG_NUMA)
1058 endif
1059 endif
1060endif
1061
1062ifdef HAVE_KVM_STAT_SUPPORT
1063 CFLAGS += -DHAVE_KVM_STAT_SUPPORT
1064endif
1065
1066ifeq ($(feature-disassembler-four-args), 1)
1067 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
1068endif
1069
1070ifeq ($(feature-disassembler-init-styled), 1)
1071 CFLAGS += -DDISASM_INIT_STYLED
1072endif
1073
1074ifeq (${IS_64_BIT}, 1)
1075 ifndef NO_PERF_READ_VDSO32
1076 $(call feature_check,compile-32)
1077 ifeq ($(feature-compile-32), 1)
1078 CFLAGS += -DHAVE_PERF_READ_VDSO32
1079 else
1080 NO_PERF_READ_VDSO32 := 1
1081 endif
1082 endif
1083 ifneq ($(SRCARCH), x86)
1084 NO_PERF_READ_VDSOX32 := 1
1085 endif
1086 ifndef NO_PERF_READ_VDSOX32
1087 $(call feature_check,compile-x32)
1088 ifeq ($(feature-compile-x32), 1)
1089 CFLAGS += -DHAVE_PERF_READ_VDSOX32
1090 else
1091 NO_PERF_READ_VDSOX32 := 1
1092 endif
1093 endif
1094else
1095 NO_PERF_READ_VDSO32 := 1
1096 NO_PERF_READ_VDSOX32 := 1
1097endif
1098
1099ifndef NO_LIBBABELTRACE
1100 $(call feature_check,libbabeltrace)
1101 ifeq ($(feature-libbabeltrace), 1)
1102 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
1103 LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
1104 EXTLIBS += -lbabeltrace-ctf
1105 $(call detected,CONFIG_LIBBABELTRACE)
1106 else
1107 $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev)
1108 endif
1109endif
1110
1111ifndef NO_CAPSTONE
1112 $(call feature_check,libcapstone)
1113 ifeq ($(feature-libcapstone), 1)
1114 CFLAGS += -DHAVE_LIBCAPSTONE_SUPPORT $(LIBCAPSTONE_CFLAGS)
1115 LDFLAGS += $(LICAPSTONE_LDFLAGS)
1116 EXTLIBS += -lcapstone
1117 $(call detected,CONFIG_LIBCAPSTONE)
1118 else
1119 msg := $(warning No libcapstone found, disables disasm engine support for 'perf script', please install libcapstone-dev/capstone-devel);
1120 endif
1121endif
1122
1123ifndef NO_AUXTRACE
1124 ifeq ($(SRCARCH),x86)
1125 ifeq ($(feature-get_cpuid), 0)
1126 $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc)
1127 NO_AUXTRACE := 1
1128 endif
1129 endif
1130 ifndef NO_AUXTRACE
1131 $(call detected,CONFIG_AUXTRACE)
1132 CFLAGS += -DHAVE_AUXTRACE_SUPPORT
1133 ifeq ($(feature-reallocarray), 0)
1134 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
1135 endif
1136 endif
1137endif
1138
1139ifdef EXTRA_TESTS
1140 $(call detected,CONFIG_EXTRA_TESTS)
1141 CFLAGS += -DHAVE_EXTRA_TESTS
1142endif
1143
1144ifndef NO_JVMTI
1145 ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
1146 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
1147 else
1148 ifneq (,$(wildcard /usr/sbin/alternatives))
1149 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g')
1150 endif
1151 endif
1152 ifndef JDIR
1153 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
1154 NO_JVMTI := 1
1155 endif
1156endif
1157
1158ifndef NO_JVMTI
1159 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
1160 $(call feature_check,jvmti)
1161 ifeq ($(feature-jvmti), 1)
1162 $(call detected_var,JDIR)
1163 ifndef NO_JVMTI_CMLR
1164 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti)
1165 $(call feature_check,jvmti-cmlr)
1166 ifeq ($(feature-jvmti-cmlr), 1)
1167 CFLAGS += -DHAVE_JVMTI_CMLR
1168 endif
1169 endif # NO_JVMTI_CMLR
1170 else
1171 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel)
1172 NO_JVMTI := 1
1173 endif
1174endif
1175
1176ifndef NO_LIBPFM4
1177 $(call feature_check,libpfm4)
1178 ifeq ($(feature-libpfm4), 1)
1179 CFLAGS += -DHAVE_LIBPFM
1180 EXTLIBS += -lpfm
1181 ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1
1182 $(call detected,CONFIG_LIBPFM4)
1183 else
1184 $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev)
1185 endif
1186endif
1187
1188# libtraceevent is a recommended dependency picked up from the system.
1189ifneq ($(NO_LIBTRACEEVENT),1)
1190 $(call feature_check,libtraceevent)
1191 ifeq ($(feature-libtraceevent), 1)
1192 CFLAGS += -DHAVE_LIBTRACEEVENT $(shell $(PKG_CONFIG) --cflags libtraceevent)
1193 LDFLAGS += $(shell $(PKG_CONFIG) --libs-only-L libtraceevent)
1194 EXTLIBS += $(shell $(PKG_CONFIG) --libs-only-l libtraceevent)
1195 LIBTRACEEVENT_VERSION := $(shell $(PKG_CONFIG) --modversion libtraceevent).0.0
1196 LIBTRACEEVENT_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEEVENT_VERSION)))
1197 LIBTRACEEVENT_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEEVENT_VERSION)))
1198 LIBTRACEEVENT_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEEVENT_VERSION)))
1199 LIBTRACEEVENT_VERSION_CPP := $(shell expr $(LIBTRACEEVENT_VERSION_1) \* 255 \* 255 + $(LIBTRACEEVENT_VERSION_2) \* 255 + $(LIBTRACEEVENT_VERSION_3))
1200 CFLAGS += -DLIBTRACEEVENT_VERSION=$(LIBTRACEEVENT_VERSION_CPP)
1201 $(call detected,CONFIG_LIBTRACEEVENT)
1202 else
1203 $(error ERROR: libtraceevent is missing. Please install libtraceevent-dev/libtraceevent-devel and/or set LIBTRACEEVENT_DIR or build with NO_LIBTRACEEVENT=1)
1204 endif
1205
1206 $(call feature_check,libtracefs)
1207 ifeq ($(feature-libtracefs), 1)
1208 CFLAGS += $(shell $(PKG_CONFIG) --cflags libtracefs)
1209 LDFLAGS += $(shell $(PKG_CONFIG) --libs-only-L libtracefs)
1210 EXTLIBS += $(shell $(PKG_CONFIG) --libs-only-l libtracefs)
1211 LIBTRACEFS_VERSION := $(shell $(PKG_CONFIG) --modversion libtracefs).0.0
1212 LIBTRACEFS_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEFS_VERSION)))
1213 LIBTRACEFS_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEFS_VERSION)))
1214 LIBTRACEFS_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEFS_VERSION)))
1215 LIBTRACEFS_VERSION_CPP := $(shell expr $(LIBTRACEFS_VERSION_1) \* 255 \* 255 + $(LIBTRACEFS_VERSION_2) \* 255 + $(LIBTRACEFS_VERSION_3))
1216 CFLAGS += -DLIBTRACEFS_VERSION=$(LIBTRACEFS_VERSION_CPP)
1217 else
1218 $(warning libtracefs is missing. Please install libtracefs-dev/libtracefs-devel)
1219 endif
1220endif
1221
1222# Among the variables below, these:
1223# perfexecdir
1224# libbpf_include_dir
1225# perf_examples_dir
1226# template_dir
1227# mandir
1228# infodir
1229# htmldir
1230# ETC_PERFCONFIG (but not sysconfdir)
1231# can be specified as a relative path some/where/else;
1232# this is interpreted as relative to $(prefix) and "perf" at
1233# runtime figures out where they are based on the path to the executable.
1234# This can help installing the suite in a relocatable way.
1235
1236# Make the path relative to DESTDIR, not to prefix
1237ifndef DESTDIR
1238prefix ?= $(HOME)
1239endif
1240bindir_relative = bin
1241bindir = $(abspath $(prefix)/$(bindir_relative))
1242includedir_relative = include
1243includedir = $(abspath $(prefix)/$(includedir_relative))
1244mandir = share/man
1245infodir = share/info
1246perfexecdir = libexec/perf-core
1247# FIXME: system's libbpf header directory, where we expect to find bpf/bpf_helpers.h, for instance
1248libbpf_include_dir = /usr/include
1249perf_examples_dir = lib/perf/examples
1250sharedir = $(prefix)/share
1251template_dir = share/perf-core/templates
1252STRACE_GROUPS_DIR = share/perf-core/strace/groups
1253htmldir = share/doc/perf-doc
1254tipdir = share/doc/perf-tip
1255srcdir = $(srctree)/tools/perf
1256ifeq ($(prefix),/usr)
1257sysconfdir = /etc
1258ETC_PERFCONFIG = $(sysconfdir)/perfconfig
1259else
1260sysconfdir = $(prefix)/etc
1261ETC_PERFCONFIG = etc/perfconfig
1262endif
1263ifndef lib
1264ifeq ($(SRCARCH)$(IS_64_BIT), x861)
1265lib = lib64
1266else
1267lib = lib
1268endif
1269endif # lib
1270libdir = $(prefix)/$(lib)
1271
1272# Shell quote (do not use $(call) to accommodate ancient setups);
1273ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
1274STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
1275DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
1276bindir_SQ = $(subst ','\'',$(bindir))
1277includedir_SQ = $(subst ','\'',$(includedir))
1278mandir_SQ = $(subst ','\'',$(mandir))
1279infodir_SQ = $(subst ','\'',$(infodir))
1280perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
1281libbpf_include_dir_SQ = $(subst ','\'',$(libbpf_include_dir))
1282perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir))
1283template_dir_SQ = $(subst ','\'',$(template_dir))
1284htmldir_SQ = $(subst ','\'',$(htmldir))
1285tipdir_SQ = $(subst ','\'',$(tipdir))
1286prefix_SQ = $(subst ','\'',$(prefix))
1287sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
1288libdir_SQ = $(subst ','\'',$(libdir))
1289srcdir_SQ = $(subst ','\'',$(srcdir))
1290
1291ifneq ($(filter /%,$(firstword $(perfexecdir))),)
1292perfexec_instdir = $(perfexecdir)
1293perf_include_instdir = $(libbpf_include_dir)
1294perf_examples_instdir = $(perf_examples_dir)
1295STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
1296tip_instdir = $(tipdir)
1297else
1298perfexec_instdir = $(prefix)/$(perfexecdir)
1299perf_include_instdir = $(prefix)/$(libbpf_include_dir)
1300perf_examples_instdir = $(prefix)/$(perf_examples_dir)
1301STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
1302tip_instdir = $(prefix)/$(tipdir)
1303endif
1304perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
1305perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir))
1306perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir))
1307STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
1308tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
1309
1310export perfexec_instdir_SQ
1311
1312print_var = $(eval $(print_var_code)) $(info $(MSG))
1313define print_var_code
1314 MSG = $(shell printf '...%40s: %s' $(1) $($(1)))
1315endef
1316
1317ifeq ($(feature_display),1)
1318 $(call feature_display_entries)
1319endif
1320
1321ifeq ($(VF),1)
1322 # Display EXTRA features which are detected manualy
1323 # from here with feature_check call and thus cannot
1324 # be partof global state output.
1325 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),) $(info $(MSG)))
1326 $(call print_var,prefix)
1327 $(call print_var,bindir)
1328 $(call print_var,libdir)
1329 $(call print_var,sysconfdir)
1330 $(call print_var,LIBUNWIND_DIR)
1331 $(call print_var,LIBDW_DIR)
1332 $(call print_var,JDIR)
1333
1334 ifeq ($(dwarf-post-unwind),1)
1335 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text)) $(info $(MSG))
1336 endif
1337endif
1338
1339$(info )
1340
1341$(call detected_var,bindir_SQ)
1342$(call detected_var,PYTHON_WORD)
1343ifneq ($(OUTPUT),)
1344$(call detected_var,OUTPUT)
1345endif
1346$(call detected_var,htmldir_SQ)
1347$(call detected_var,infodir_SQ)
1348$(call detected_var,mandir_SQ)
1349$(call detected_var,ETC_PERFCONFIG_SQ)
1350$(call detected_var,STRACE_GROUPS_DIR_SQ)
1351$(call detected_var,prefix_SQ)
1352$(call detected_var,perfexecdir_SQ)
1353$(call detected_var,libbpf_include_dir_SQ)
1354$(call detected_var,perf_examples_dir_SQ)
1355$(call detected_var,tipdir_SQ)
1356$(call detected_var,srcdir_SQ)
1357$(call detected_var,LIBDIR)
1358$(call detected_var,GTK_CFLAGS)
1359$(call detected_var,PERL_EMBED_CCOPTS)
1360$(call detected_var,PYTHON_EMBED_CCOPTS)
1361ifneq ($(BISON_FILE_PREFIX_MAP),)
1362$(call detected_var,BISON_FILE_PREFIX_MAP)
1363endif
1364
1365# re-generate FEATURE-DUMP as we may have called feature_check, found out
1366# extra libraries to add to LDFLAGS of some other test and then redo those
1367# tests, see the block about libbfd, disassembler-four-args, for instance.
1368$(shell rm -f $(FEATURE_DUMP_FILENAME))
1369$(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME)))