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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) $(EXTRA_WARNINGS)
20
21include $(srctree)/tools/scripts/Makefile.arch
22
23$(call detected_var,SRCARCH)
24
25NO_PERF_REGS := 1
26NO_SYSCALL_TABLE := 1
27
28# Additional ARCH settings for ppc
29ifeq ($(SRCARCH),powerpc)
30 NO_PERF_REGS := 0
31 NO_SYSCALL_TABLE := 0
32 CFLAGS += -I$(OUTPUT)arch/powerpc/include/generated
33 LIBUNWIND_LIBS := -lunwind -lunwind-ppc64
34endif
35
36# Additional ARCH settings for x86
37ifeq ($(SRCARCH),x86)
38 $(call detected,CONFIG_X86)
39 ifeq (${IS_64_BIT}, 1)
40 NO_SYSCALL_TABLE := 0
41 CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT -I$(OUTPUT)arch/x86/include/generated
42 ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
43 LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind -llzma
44 $(call detected,CONFIG_X86_64)
45 else
46 LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind
47 endif
48 NO_PERF_REGS := 0
49endif
50
51ifeq ($(SRCARCH),arm)
52 NO_PERF_REGS := 0
53 LIBUNWIND_LIBS = -lunwind -lunwind-arm
54endif
55
56ifeq ($(SRCARCH),arm64)
57 NO_PERF_REGS := 0
58 NO_SYSCALL_TABLE := 0
59 CFLAGS += -I$(OUTPUT)arch/arm64/include/generated
60 LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
61endif
62
63ifeq ($(SRCARCH),csky)
64 NO_PERF_REGS := 0
65endif
66
67ifeq ($(ARCH),s390)
68 NO_PERF_REGS := 0
69 NO_SYSCALL_TABLE := 0
70 CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated
71endif
72
73ifeq ($(NO_PERF_REGS),0)
74 $(call detected,CONFIG_PERF_REGS)
75endif
76
77ifneq ($(NO_SYSCALL_TABLE),1)
78 CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT
79endif
80
81# So far there's only x86 and arm libdw unwind support merged in perf.
82# Disable it on all other architectures in case libdw unwind
83# support is detected in system. Add supported architectures
84# to the check.
85ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390 csky))
86 NO_LIBDW_DWARF_UNWIND := 1
87endif
88
89ifeq ($(LIBUNWIND_LIBS),)
90 NO_LIBUNWIND := 1
91endif
92#
93# For linking with debug library, run like:
94#
95# make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
96#
97
98libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
99define libunwind_arch_set_flags_code
100 FEATURE_CHECK_CFLAGS-libunwind-$(1) = -I$(LIBUNWIND_DIR)/include
101 FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
102endef
103
104ifdef LIBUNWIND_DIR
105 LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include
106 LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
107 LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64
108 $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
109endif
110
111# Set per-feature check compilation flags
112FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
113FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
114FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
115FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
116
117FEATURE_CHECK_LDFLAGS-libunwind-arm = -lunwind -lunwind-arm
118FEATURE_CHECK_LDFLAGS-libunwind-aarch64 = -lunwind -lunwind-aarch64
119FEATURE_CHECK_LDFLAGS-libunwind-x86 = -lunwind -llzma -lunwind-x86
120FEATURE_CHECK_LDFLAGS-libunwind-x86_64 = -lunwind -llzma -lunwind-x86_64
121
122FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto
123
124ifdef CSINCLUDES
125 LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)
126endif
127OPENCSDLIBS := -lopencsd_c_api -lopencsd
128ifdef CSLIBS
129 LIBOPENCSD_LDFLAGS := -L$(CSLIBS)
130endif
131FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS)
132FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS)
133
134ifeq ($(NO_PERF_REGS),0)
135 CFLAGS += -DHAVE_PERF_REGS_SUPPORT
136endif
137
138# for linking with debug library, run like:
139# make DEBUG=1 LIBDW_DIR=/opt/libdw/
140ifdef LIBDW_DIR
141 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include
142 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
143endif
144DWARFLIBS := -ldw
145ifeq ($(findstring -static,${LDFLAGS}),-static)
146 DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2
147endif
148FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
149FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS)
150
151# for linking with debug library, run like:
152# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
153ifdef LIBBABELTRACE_DIR
154 LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include
155 LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
156endif
157FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
158FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
159
160ifdef LIBZSTD_DIR
161 LIBZSTD_CFLAGS := -I$(LIBZSTD_DIR)/lib
162 LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib
163endif
164FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS)
165FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS)
166
167FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi
168# include ARCH specific config
169-include $(src-perf)/arch/$(SRCARCH)/Makefile
170
171ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
172 CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
173endif
174
175include $(srctree)/tools/scripts/utilities.mak
176
177ifeq ($(call get-executable,$(FLEX)),)
178 dummy := $(error Error: $(FLEX) is missing on this system, please install it)
179endif
180
181ifeq ($(call get-executable,$(BISON)),)
182 dummy := $(error Error: $(BISON) is missing on this system, please install it)
183endif
184
185# Treat warnings as errors unless directed not to
186ifneq ($(WERROR),0)
187 CFLAGS += -Werror
188 CXXFLAGS += -Werror
189endif
190
191ifndef DEBUG
192 DEBUG := 0
193endif
194
195ifeq ($(DEBUG),0)
196ifeq ($(CC_NO_CLANG), 0)
197 CFLAGS += -O3
198else
199 CFLAGS += -O6
200endif
201endif
202
203ifdef PARSER_DEBUG
204 PARSER_DEBUG_BISON := -t
205 PARSER_DEBUG_FLEX := -d
206 CFLAGS += -DPARSER_DEBUG
207 $(call detected_var,PARSER_DEBUG_BISON)
208 $(call detected_var,PARSER_DEBUG_FLEX)
209endif
210
211# Try different combinations to accommodate systems that only have
212# python[2][-config] in weird combinations but always preferring
213# python2 and python2-config as per pep-0394. If we catch a
214# python[-config] in version 3, the version check will kill it.
215PYTHON2 := $(if $(call get-executable,python2),python2,python)
216override PYTHON := $(call get-executable-or-default,PYTHON,$(PYTHON2))
217PYTHON2_CONFIG := \
218 $(if $(call get-executable,$(PYTHON)-config),$(PYTHON)-config,python-config)
219override PYTHON_CONFIG := \
220 $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON2_CONFIG))
221
222grep-libs = $(filter -l%,$(1))
223strip-libs = $(filter-out -l%,$(1))
224
225PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
226
227ifdef PYTHON_CONFIG
228 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
229 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
230 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
231 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null)
232 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
233endif
234
235FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
236FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
237FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
238FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
239
240FEATURE_CHECK_LDFLAGS-libaio = -lrt
241
242FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes -ldl
243
244CFLAGS += -fno-omit-frame-pointer
245CFLAGS += -ggdb3
246CFLAGS += -funwind-tables
247CFLAGS += -Wall
248CFLAGS += -Wextra
249CFLAGS += -std=gnu99
250
251CXXFLAGS += -std=gnu++11 -fno-exceptions -fno-rtti
252CXXFLAGS += -Wall
253CXXFLAGS += -fno-omit-frame-pointer
254CXXFLAGS += -ggdb3
255CXXFLAGS += -funwind-tables
256CXXFLAGS += -Wno-strict-aliasing
257
258# Enforce a non-executable stack, as we may regress (again) in the future by
259# adding assembler files missing the .GNU-stack linker note.
260LDFLAGS += -Wl,-z,noexecstack
261
262EXTLIBS = -lpthread -lrt -lm -ldl
263
264ifeq ($(FEATURES_DUMP),)
265include $(srctree)/tools/build/Makefile.feature
266else
267include $(FEATURES_DUMP)
268endif
269
270ifeq ($(feature-stackprotector-all), 1)
271 CFLAGS += -fstack-protector-all
272endif
273
274ifeq ($(DEBUG),0)
275 ifeq ($(feature-fortify-source), 1)
276 CFLAGS += -D_FORTIFY_SOURCE=2
277 endif
278endif
279
280INC_FLAGS += -I$(src-perf)/util/include
281INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
282INC_FLAGS += -I$(srctree)/tools/include/uapi
283INC_FLAGS += -I$(srctree)/tools/include/
284INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
285INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
286INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
287
288# $(obj-perf) for generated common-cmds.h
289# $(obj-perf)/util for generated bison/flex headers
290ifneq ($(OUTPUT),)
291INC_FLAGS += -I$(obj-perf)/util
292INC_FLAGS += -I$(obj-perf)
293endif
294
295INC_FLAGS += -I$(src-perf)/util
296INC_FLAGS += -I$(src-perf)
297INC_FLAGS += -I$(srctree)/tools/lib/
298
299CFLAGS += $(INC_FLAGS)
300CXXFLAGS += $(INC_FLAGS)
301
302CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
303
304ifeq ($(feature-sync-compare-and-swap), 1)
305 CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
306endif
307
308ifeq ($(feature-pthread-attr-setaffinity-np), 1)
309 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
310endif
311
312ifeq ($(feature-pthread-barrier), 1)
313 CFLAGS += -DHAVE_PTHREAD_BARRIER
314endif
315
316ifndef NO_BIONIC
317 $(call feature_check,bionic)
318 ifeq ($(feature-bionic), 1)
319 BIONIC := 1
320 CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE
321 CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE
322 EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
323 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
324 endif
325endif
326
327ifeq ($(feature-eventfd), 1)
328 CFLAGS += -DHAVE_EVENTFD
329endif
330
331ifeq ($(feature-get_current_dir_name), 1)
332 CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME
333endif
334
335ifdef NO_LIBELF
336 NO_DWARF := 1
337 NO_DEMANGLE := 1
338 NO_LIBUNWIND := 1
339 NO_LIBDW_DWARF_UNWIND := 1
340 NO_LIBBPF := 1
341 NO_JVMTI := 1
342else
343 ifeq ($(feature-libelf), 0)
344 ifeq ($(feature-glibc), 1)
345 LIBC_SUPPORT := 1
346 endif
347 ifeq ($(BIONIC),1)
348 LIBC_SUPPORT := 1
349 endif
350 ifeq ($(LIBC_SUPPORT),1)
351 msg := $(warning No libelf found. Disables 'probe' tool, jvmti and BPF support in 'perf record'. Please install libelf-dev, libelf-devel or elfutils-libelf-devel);
352
353 NO_LIBELF := 1
354 NO_DWARF := 1
355 NO_DEMANGLE := 1
356 NO_LIBUNWIND := 1
357 NO_LIBDW_DWARF_UNWIND := 1
358 NO_LIBBPF := 1
359 NO_JVMTI := 1
360 else
361 ifneq ($(filter s% -static%,$(LDFLAGS),),)
362 msg := $(error No static glibc found, please install glibc-static);
363 else
364 msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
365 endif
366 endif
367 else
368 ifndef NO_LIBDW_DWARF_UNWIND
369 ifneq ($(feature-libdw-dwarf-unwind),1)
370 NO_LIBDW_DWARF_UNWIND := 1
371 msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
372 endif
373 endif
374 ifneq ($(feature-dwarf), 1)
375 ifndef NO_DWARF
376 msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
377 NO_DWARF := 1
378 endif
379 else
380 ifneq ($(feature-dwarf_getlocations), 1)
381 msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
382 else
383 CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT
384 endif # dwarf_getlocations
385 endif # Dwarf support
386 endif # libelf support
387endif # NO_LIBELF
388
389ifeq ($(feature-glibc), 1)
390 CFLAGS += -DHAVE_GLIBC_SUPPORT
391endif
392
393ifeq ($(feature-libaio), 1)
394 ifndef NO_AIO
395 CFLAGS += -DHAVE_AIO_SUPPORT
396 endif
397endif
398
399ifdef NO_DWARF
400 NO_LIBDW_DWARF_UNWIND := 1
401endif
402
403ifeq ($(feature-sched_getcpu), 1)
404 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
405endif
406
407ifeq ($(feature-setns), 1)
408 CFLAGS += -DHAVE_SETNS_SUPPORT
409 $(call detected,CONFIG_SETNS)
410endif
411
412ifdef CORESIGHT
413 $(call feature_check,libopencsd)
414 ifeq ($(feature-libopencsd), 1)
415 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
416 LDFLAGS += $(LIBOPENCSD_LDFLAGS)
417 EXTLIBS += $(OPENCSDLIBS)
418 $(call detected,CONFIG_LIBOPENCSD)
419 ifdef CSTRACE_RAW
420 CFLAGS += -DCS_DEBUG_RAW
421 ifeq (${CSTRACE_RAW}, packed)
422 CFLAGS += -DCS_RAW_PACKED
423 endif
424 endif
425 endif
426endif
427
428ifndef NO_LIBELF
429 CFLAGS += -DHAVE_LIBELF_SUPPORT
430 EXTLIBS += -lelf
431 $(call detected,CONFIG_LIBELF)
432
433 ifeq ($(feature-libelf-mmap), 1)
434 CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
435 endif
436
437 ifeq ($(feature-libelf-getphdrnum), 1)
438 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
439 endif
440
441 ifeq ($(feature-libelf-gelf_getnote), 1)
442 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
443 else
444 msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
445 endif
446
447 ifeq ($(feature-libelf-getshdrstrndx), 1)
448 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
449 endif
450
451 ifndef NO_DWARF
452 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
453 msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
454 NO_DWARF := 1
455 else
456 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
457 LDFLAGS += $(LIBDW_LDFLAGS)
458 EXTLIBS += ${DWARFLIBS}
459 $(call detected,CONFIG_DWARF)
460 endif # PERF_HAVE_DWARF_REGS
461 endif # NO_DWARF
462
463 ifndef NO_LIBBPF
464 ifeq ($(feature-bpf), 1)
465 CFLAGS += -DHAVE_LIBBPF_SUPPORT
466 $(call detected,CONFIG_LIBBPF)
467 endif
468
469 ifndef NO_DWARF
470 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
471 CFLAGS += -DHAVE_BPF_PROLOGUE
472 $(call detected,CONFIG_BPF_PROLOGUE)
473 else
474 msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset());
475 endif
476 else
477 msg := $(warning DWARF support is off, BPF prologue is disabled);
478 endif
479
480 endif # NO_LIBBPF
481endif # NO_LIBELF
482
483ifndef NO_SDT
484 ifneq ($(feature-sdt), 1)
485 msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
486 NO_SDT := 1;
487 else
488 CFLAGS += -DHAVE_SDT_EVENT
489 $(call detected,CONFIG_SDT_EVENT)
490 endif
491endif
492
493ifdef PERF_HAVE_JITDUMP
494 ifndef NO_LIBELF
495 $(call detected,CONFIG_JITDUMP)
496 CFLAGS += -DHAVE_JITDUMP
497 endif
498endif
499
500ifeq ($(SRCARCH),powerpc)
501 ifndef NO_DWARF
502 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
503 endif
504endif
505
506ifndef NO_LIBUNWIND
507 have_libunwind :=
508
509 $(call feature_check,libunwind-x86)
510 ifeq ($(feature-libunwind-x86), 1)
511 $(call detected,CONFIG_LIBUNWIND_X86)
512 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
513 LDFLAGS += -lunwind-x86
514 EXTLIBS_LIBUNWIND += -lunwind-x86
515 have_libunwind = 1
516 endif
517
518 $(call feature_check,libunwind-aarch64)
519 ifeq ($(feature-libunwind-aarch64), 1)
520 $(call detected,CONFIG_LIBUNWIND_AARCH64)
521 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
522 LDFLAGS += -lunwind-aarch64
523 EXTLIBS_LIBUNWIND += -lunwind-aarch64
524 have_libunwind = 1
525 $(call feature_check,libunwind-debug-frame-aarch64)
526 ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
527 msg := $(warning No debug_frame support found in libunwind-aarch64);
528 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
529 endif
530 endif
531
532 ifneq ($(feature-libunwind), 1)
533 msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
534 NO_LOCAL_LIBUNWIND := 1
535 else
536 have_libunwind := 1
537 $(call detected,CONFIG_LOCAL_LIBUNWIND)
538 endif
539
540 ifneq ($(have_libunwind), 1)
541 NO_LIBUNWIND := 1
542 endif
543else
544 NO_LOCAL_LIBUNWIND := 1
545endif
546
547ifndef NO_LIBBPF
548 ifneq ($(feature-bpf), 1)
549 msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
550 NO_LIBBPF := 1
551 endif
552endif
553
554dwarf-post-unwind := 1
555dwarf-post-unwind-text := BUG
556
557# setup DWARF post unwinder
558ifdef NO_LIBUNWIND
559 ifdef NO_LIBDW_DWARF_UNWIND
560 msg := $(warning Disabling post unwind, no support found.);
561 dwarf-post-unwind := 0
562 else
563 dwarf-post-unwind-text := libdw
564 $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
565 endif
566else
567 dwarf-post-unwind-text := libunwind
568 $(call detected,CONFIG_LIBUNWIND)
569 # Enable libunwind support by default.
570 ifndef NO_LIBDW_DWARF_UNWIND
571 NO_LIBDW_DWARF_UNWIND := 1
572 endif
573endif
574
575ifeq ($(dwarf-post-unwind),1)
576 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
577 $(call detected,CONFIG_DWARF_UNWIND)
578else
579 NO_DWARF_UNWIND := 1
580endif
581
582ifndef NO_LOCAL_LIBUNWIND
583 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
584 $(call feature_check,libunwind-debug-frame)
585 ifneq ($(feature-libunwind-debug-frame), 1)
586 msg := $(warning No debug_frame support found in libunwind);
587 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
588 endif
589 else
590 # non-ARM has no dwarf_find_debug_frame() function:
591 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
592 endif
593 EXTLIBS += $(LIBUNWIND_LIBS)
594 LDFLAGS += $(LIBUNWIND_LIBS)
595endif
596ifeq ($(findstring -static,${LDFLAGS}),-static)
597 # gcc -static links libgcc_eh which contans piece of libunwind
598 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
599endif
600
601ifndef NO_LIBUNWIND
602 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
603 CFLAGS += $(LIBUNWIND_CFLAGS)
604 LDFLAGS += $(LIBUNWIND_LDFLAGS)
605 EXTLIBS += $(EXTLIBS_LIBUNWIND)
606endif
607
608ifeq ($(NO_SYSCALL_TABLE),0)
609 $(call detected,CONFIG_TRACE)
610else
611 ifndef NO_LIBAUDIT
612 ifneq ($(feature-libaudit), 1)
613 msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
614 NO_LIBAUDIT := 1
615 else
616 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
617 EXTLIBS += -laudit
618 $(call detected,CONFIG_TRACE)
619 endif
620 endif
621endif
622
623ifndef NO_LIBCRYPTO
624 ifneq ($(feature-libcrypto), 1)
625 msg := $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev);
626 NO_LIBCRYPTO := 1
627 else
628 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
629 EXTLIBS += -lcrypto
630 $(call detected,CONFIG_CRYPTO)
631 endif
632endif
633
634ifdef NO_NEWT
635 NO_SLANG=1
636endif
637
638ifndef NO_SLANG
639 ifneq ($(feature-libslang), 1)
640 msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
641 NO_SLANG := 1
642 else
643 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
644 CFLAGS += -I/usr/include/slang
645 CFLAGS += -DHAVE_SLANG_SUPPORT
646 EXTLIBS += -lslang
647 $(call detected,CONFIG_SLANG)
648 endif
649endif
650
651ifndef NO_GTK2
652 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
653 ifneq ($(feature-gtk2), 1)
654 msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
655 NO_GTK2 := 1
656 else
657 ifeq ($(feature-gtk2-infobar), 1)
658 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
659 endif
660 CFLAGS += -DHAVE_GTK2_SUPPORT
661 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
662 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
663 EXTLIBS += -ldl
664 endif
665endif
666
667ifdef NO_LIBPERL
668 CFLAGS += -DNO_LIBPERL
669else
670 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
671 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
672 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
673 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
674 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
675 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
676 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
677
678 ifneq ($(feature-libperl), 1)
679 CFLAGS += -DNO_LIBPERL
680 NO_LIBPERL := 1
681 msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
682 else
683 LDFLAGS += $(PERL_EMBED_LDFLAGS)
684 EXTLIBS += $(PERL_EMBED_LIBADD)
685 CFLAGS += -DHAVE_LIBPERL_SUPPORT
686 $(call detected,CONFIG_LIBPERL)
687 endif
688endif
689
690ifeq ($(feature-timerfd), 1)
691 CFLAGS += -DHAVE_TIMERFD_SUPPORT
692else
693 msg := $(warning No timerfd support. Disables 'perf kvm stat live');
694endif
695
696disable-python = $(eval $(disable-python_code))
697define disable-python_code
698 CFLAGS += -DNO_LIBPYTHON
699 $(warning $1)
700 NO_LIBPYTHON := 1
701endef
702
703ifdef NO_LIBPYTHON
704 $(call disable-python,Python support disabled by user)
705else
706
707 ifndef PYTHON
708 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
709 else
710 PYTHON_WORD := $(call shell-wordify,$(PYTHON))
711
712 ifndef PYTHON_CONFIG
713 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
714 else
715
716 ifneq ($(feature-libpython), 1)
717 $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
718 else
719 LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
720 EXTLIBS += $(PYTHON_EMBED_LIBADD)
721 LANG_BINDINGS += $(obj-perf)python/perf.so
722 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
723 $(call detected,CONFIG_LIBPYTHON)
724 endif
725 endif
726 endif
727endif
728
729ifeq ($(feature-libbfd), 1)
730 EXTLIBS += -lbfd -lopcodes
731else
732 # we are on a system that requires -liberty and (maybe) -lz
733 # to link against -lbfd; test each case individually here
734
735 # call all detections now so we get correct
736 # status in VF output
737 $(call feature_check,libbfd-liberty)
738 $(call feature_check,libbfd-liberty-z)
739
740 ifeq ($(feature-libbfd-liberty), 1)
741 EXTLIBS += -lbfd -lopcodes -liberty
742 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl
743 else
744 ifeq ($(feature-libbfd-liberty-z), 1)
745 EXTLIBS += -lbfd -lopcodes -liberty -lz
746 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl
747 endif
748 endif
749 $(call feature_check,disassembler-four-args)
750endif
751
752ifdef NO_DEMANGLE
753 CFLAGS += -DNO_DEMANGLE
754else
755 ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
756 EXTLIBS += -liberty
757 else
758 ifeq ($(filter -liberty,$(EXTLIBS)),)
759 $(call feature_check,cplus-demangle)
760
761 # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
762 # or any of 'bfd iberty z' trinity
763 ifeq ($(feature-cplus-demangle), 1)
764 EXTLIBS += -liberty
765 else
766 msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
767 CFLAGS += -DNO_DEMANGLE
768 endif
769 endif
770 endif
771
772 ifneq ($(filter -liberty,$(EXTLIBS)),)
773 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
774 endif
775endif
776
777ifneq ($(filter -lbfd,$(EXTLIBS)),)
778 CFLAGS += -DHAVE_LIBBFD_SUPPORT
779endif
780
781ifndef NO_ZLIB
782 ifeq ($(feature-zlib), 1)
783 CFLAGS += -DHAVE_ZLIB_SUPPORT
784 EXTLIBS += -lz
785 $(call detected,CONFIG_ZLIB)
786 else
787 NO_ZLIB := 1
788 endif
789endif
790
791ifndef NO_LZMA
792 ifeq ($(feature-lzma), 1)
793 CFLAGS += -DHAVE_LZMA_SUPPORT
794 EXTLIBS += -llzma
795 $(call detected,CONFIG_LZMA)
796 else
797 msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
798 NO_LZMA := 1
799 endif
800endif
801
802ifndef NO_LIBZSTD
803 ifeq ($(feature-libzstd), 1)
804 CFLAGS += -DHAVE_ZSTD_SUPPORT
805 CFLAGS += $(LIBZSTD_CFLAGS)
806 LDFLAGS += $(LIBZSTD_LDFLAGS)
807 EXTLIBS += -lzstd
808 $(call detected,CONFIG_ZSTD)
809 else
810 msg := $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR);
811 NO_LIBZSTD := 1
812 endif
813endif
814
815ifndef NO_BACKTRACE
816 ifeq ($(feature-backtrace), 1)
817 CFLAGS += -DHAVE_BACKTRACE_SUPPORT
818 endif
819endif
820
821ifndef NO_LIBNUMA
822 ifeq ($(feature-libnuma), 0)
823 msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
824 NO_LIBNUMA := 1
825 else
826 ifeq ($(feature-numa_num_possible_cpus), 0)
827 msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
828 NO_LIBNUMA := 1
829 else
830 CFLAGS += -DHAVE_LIBNUMA_SUPPORT
831 EXTLIBS += -lnuma
832 $(call detected,CONFIG_NUMA)
833 endif
834 endif
835endif
836
837ifdef HAVE_KVM_STAT_SUPPORT
838 CFLAGS += -DHAVE_KVM_STAT_SUPPORT
839endif
840
841ifeq ($(feature-disassembler-four-args), 1)
842 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
843endif
844
845ifeq (${IS_64_BIT}, 1)
846 ifndef NO_PERF_READ_VDSO32
847 $(call feature_check,compile-32)
848 ifeq ($(feature-compile-32), 1)
849 CFLAGS += -DHAVE_PERF_READ_VDSO32
850 else
851 NO_PERF_READ_VDSO32 := 1
852 endif
853 endif
854 ifneq ($(SRCARCH), x86)
855 NO_PERF_READ_VDSOX32 := 1
856 endif
857 ifndef NO_PERF_READ_VDSOX32
858 $(call feature_check,compile-x32)
859 ifeq ($(feature-compile-x32), 1)
860 CFLAGS += -DHAVE_PERF_READ_VDSOX32
861 else
862 NO_PERF_READ_VDSOX32 := 1
863 endif
864 endif
865else
866 NO_PERF_READ_VDSO32 := 1
867 NO_PERF_READ_VDSOX32 := 1
868endif
869
870ifndef NO_LIBBABELTRACE
871 $(call feature_check,libbabeltrace)
872 ifeq ($(feature-libbabeltrace), 1)
873 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
874 LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
875 EXTLIBS += -lbabeltrace-ctf
876 $(call detected,CONFIG_LIBBABELTRACE)
877 else
878 msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
879 endif
880endif
881
882ifndef NO_AUXTRACE
883 ifeq ($(SRCARCH),x86)
884 ifeq ($(feature-get_cpuid), 0)
885 msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
886 NO_AUXTRACE := 1
887 endif
888 endif
889 ifndef NO_AUXTRACE
890 $(call detected,CONFIG_AUXTRACE)
891 CFLAGS += -DHAVE_AUXTRACE_SUPPORT
892 endif
893endif
894
895ifndef NO_JVMTI
896 ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
897 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
898 else
899 ifneq (,$(wildcard /usr/sbin/alternatives))
900 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed 's%/jre/bin/java.%%g')
901 endif
902 endif
903 ifndef JDIR
904 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
905 NO_JVMTI := 1
906 endif
907endif
908
909ifndef NO_JVMTI
910 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
911 $(call feature_check,jvmti)
912 ifeq ($(feature-jvmti), 1)
913 $(call detected_var,JDIR)
914 ifndef NO_JVMTI_CMLR
915 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti)
916 $(call feature_check,jvmti-cmlr)
917 ifeq ($(feature-jvmti-cmlr), 1)
918 CFLAGS += -DHAVE_JVMTI_CMLR
919 endif
920 endif # NO_JVMTI_CMLR
921 else
922 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel)
923 NO_JVMTI := 1
924 endif
925endif
926
927USE_CXX = 0
928USE_CLANGLLVM = 0
929ifdef LIBCLANGLLVM
930 $(call feature_check,cxx)
931 ifneq ($(feature-cxx), 1)
932 msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
933 else
934 $(call feature_check,llvm)
935 $(call feature_check,llvm-version)
936 ifneq ($(feature-llvm), 1)
937 msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
938 else
939 $(call feature_check,clang)
940 ifneq ($(feature-clang), 1)
941 msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
942 else
943 CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
944 CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
945 $(call detected,CONFIG_CXX)
946 $(call detected,CONFIG_CLANGLLVM)
947 USE_CXX = 1
948 USE_LLVM = 1
949 USE_CLANG = 1
950 ifneq ($(feature-llvm-version),1)
951 msg := $(warning This version of LLVM is not tested. May cause build errors)
952 endif
953 endif
954 endif
955 endif
956endif
957
958# Among the variables below, these:
959# perfexecdir
960# perf_include_dir
961# perf_examples_dir
962# template_dir
963# mandir
964# infodir
965# htmldir
966# ETC_PERFCONFIG (but not sysconfdir)
967# can be specified as a relative path some/where/else;
968# this is interpreted as relative to $(prefix) and "perf" at
969# runtime figures out where they are based on the path to the executable.
970# This can help installing the suite in a relocatable way.
971
972# Make the path relative to DESTDIR, not to prefix
973ifndef DESTDIR
974prefix ?= $(HOME)
975endif
976bindir_relative = bin
977bindir = $(abspath $(prefix)/$(bindir_relative))
978mandir = share/man
979infodir = share/info
980perfexecdir = libexec/perf-core
981perf_include_dir = lib/perf/include
982perf_examples_dir = lib/perf/examples
983sharedir = $(prefix)/share
984template_dir = share/perf-core/templates
985STRACE_GROUPS_DIR = share/perf-core/strace/groups
986htmldir = share/doc/perf-doc
987tipdir = share/doc/perf-tip
988srcdir = $(srctree)/tools/perf
989ifeq ($(prefix),/usr)
990sysconfdir = /etc
991ETC_PERFCONFIG = $(sysconfdir)/perfconfig
992else
993sysconfdir = $(prefix)/etc
994ETC_PERFCONFIG = etc/perfconfig
995endif
996ifndef lib
997ifeq ($(SRCARCH)$(IS_64_BIT), x861)
998lib = lib64
999else
1000lib = lib
1001endif
1002endif # lib
1003libdir = $(prefix)/$(lib)
1004
1005# Shell quote (do not use $(call) to accommodate ancient setups);
1006ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
1007STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
1008DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
1009bindir_SQ = $(subst ','\'',$(bindir))
1010mandir_SQ = $(subst ','\'',$(mandir))
1011infodir_SQ = $(subst ','\'',$(infodir))
1012perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
1013perf_include_dir_SQ = $(subst ','\'',$(perf_include_dir))
1014perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir))
1015template_dir_SQ = $(subst ','\'',$(template_dir))
1016htmldir_SQ = $(subst ','\'',$(htmldir))
1017tipdir_SQ = $(subst ','\'',$(tipdir))
1018prefix_SQ = $(subst ','\'',$(prefix))
1019sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
1020libdir_SQ = $(subst ','\'',$(libdir))
1021srcdir_SQ = $(subst ','\'',$(srcdir))
1022
1023ifneq ($(filter /%,$(firstword $(perfexecdir))),)
1024perfexec_instdir = $(perfexecdir)
1025perf_include_instdir = $(perf_include_dir)
1026perf_examples_instdir = $(perf_examples_dir)
1027STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
1028tip_instdir = $(tipdir)
1029else
1030perfexec_instdir = $(prefix)/$(perfexecdir)
1031perf_include_instdir = $(prefix)/$(perf_include_dir)
1032perf_examples_instdir = $(prefix)/$(perf_examples_dir)
1033STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
1034tip_instdir = $(prefix)/$(tipdir)
1035endif
1036perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
1037perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir))
1038perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir))
1039STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
1040tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
1041
1042# If we install to $(HOME) we keep the traceevent default:
1043# $(HOME)/.traceevent/plugins
1044# Otherwise we install plugins into the global $(libdir).
1045ifdef DESTDIR
1046plugindir=$(libdir)/traceevent/plugins
1047plugindir_SQ= $(subst ','\'',$(plugindir))
1048endif
1049
1050print_var = $(eval $(print_var_code)) $(info $(MSG))
1051define print_var_code
1052 MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
1053endef
1054
1055ifeq ($(VF),1)
1056 # Display EXTRA features which are detected manualy
1057 # from here with feature_check call and thus cannot
1058 # be partof global state output.
1059 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),))
1060 $(call print_var,prefix)
1061 $(call print_var,bindir)
1062 $(call print_var,libdir)
1063 $(call print_var,sysconfdir)
1064 $(call print_var,LIBUNWIND_DIR)
1065 $(call print_var,LIBDW_DIR)
1066 $(call print_var,JDIR)
1067
1068 ifeq ($(dwarf-post-unwind),1)
1069 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
1070 endif
1071 $(info )
1072endif
1073
1074$(call detected_var,bindir_SQ)
1075$(call detected_var,PYTHON_WORD)
1076ifneq ($(OUTPUT),)
1077$(call detected_var,OUTPUT)
1078endif
1079$(call detected_var,htmldir_SQ)
1080$(call detected_var,infodir_SQ)
1081$(call detected_var,mandir_SQ)
1082$(call detected_var,ETC_PERFCONFIG_SQ)
1083$(call detected_var,STRACE_GROUPS_DIR_SQ)
1084$(call detected_var,prefix_SQ)
1085$(call detected_var,perfexecdir_SQ)
1086$(call detected_var,perf_include_dir_SQ)
1087$(call detected_var,perf_examples_dir_SQ)
1088$(call detected_var,tipdir_SQ)
1089$(call detected_var,srcdir_SQ)
1090$(call detected_var,LIBDIR)
1091$(call detected_var,GTK_CFLAGS)
1092$(call detected_var,PERL_EMBED_CCOPTS)
1093$(call detected_var,PYTHON_EMBED_CCOPTS)