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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 ($(SRCARCH),riscv)
64 NO_PERF_REGS := 0
65endif
66
67ifeq ($(SRCARCH),csky)
68 NO_PERF_REGS := 0
69endif
70
71ifeq ($(ARCH),s390)
72 NO_PERF_REGS := 0
73 NO_SYSCALL_TABLE := 0
74 CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated
75endif
76
77ifeq ($(NO_PERF_REGS),0)
78 $(call detected,CONFIG_PERF_REGS)
79endif
80
81ifneq ($(NO_SYSCALL_TABLE),1)
82 CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT
83endif
84
85# So far there's only x86 and arm libdw unwind support merged in perf.
86# Disable it on all other architectures in case libdw unwind
87# support is detected in system. Add supported architectures
88# to the check.
89ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390 csky riscv))
90 NO_LIBDW_DWARF_UNWIND := 1
91endif
92
93ifeq ($(LIBUNWIND_LIBS),)
94 NO_LIBUNWIND := 1
95endif
96#
97# For linking with debug library, run like:
98#
99# make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
100#
101
102libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
103define libunwind_arch_set_flags_code
104 FEATURE_CHECK_CFLAGS-libunwind-$(1) = -I$(LIBUNWIND_DIR)/include
105 FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
106endef
107
108ifdef LIBUNWIND_DIR
109 LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include
110 LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
111 LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64
112 $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
113endif
114
115# Set per-feature check compilation flags
116FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
117FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
118FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
119FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
120
121FEATURE_CHECK_LDFLAGS-libunwind-arm = -lunwind -lunwind-arm
122FEATURE_CHECK_LDFLAGS-libunwind-aarch64 = -lunwind -lunwind-aarch64
123FEATURE_CHECK_LDFLAGS-libunwind-x86 = -lunwind -llzma -lunwind-x86
124FEATURE_CHECK_LDFLAGS-libunwind-x86_64 = -lunwind -llzma -lunwind-x86_64
125
126FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto
127
128ifdef CSINCLUDES
129 LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)
130endif
131OPENCSDLIBS := -lopencsd_c_api -lopencsd
132ifdef CSLIBS
133 LIBOPENCSD_LDFLAGS := -L$(CSLIBS)
134endif
135FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS)
136FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS)
137
138ifeq ($(NO_PERF_REGS),0)
139 CFLAGS += -DHAVE_PERF_REGS_SUPPORT
140endif
141
142# for linking with debug library, run like:
143# make DEBUG=1 LIBDW_DIR=/opt/libdw/
144ifdef LIBDW_DIR
145 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include
146 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
147endif
148DWARFLIBS := -ldw
149ifeq ($(findstring -static,${LDFLAGS}),-static)
150 DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2
151endif
152FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
153FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS)
154
155# for linking with debug library, run like:
156# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
157ifdef LIBBABELTRACE_DIR
158 LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include
159 LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
160endif
161FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
162FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
163
164ifdef LIBZSTD_DIR
165 LIBZSTD_CFLAGS := -I$(LIBZSTD_DIR)/lib
166 LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib
167endif
168FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS)
169FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS)
170
171FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi
172# include ARCH specific config
173-include $(src-perf)/arch/$(SRCARCH)/Makefile
174
175ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
176 CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
177endif
178
179include $(srctree)/tools/scripts/utilities.mak
180
181ifeq ($(call get-executable,$(FLEX)),)
182 dummy := $(error Error: $(FLEX) is missing on this system, please install it)
183endif
184
185ifeq ($(call get-executable,$(BISON)),)
186 dummy := $(error Error: $(BISON) is missing on this system, please install it)
187endif
188
189# Treat warnings as errors unless directed not to
190ifneq ($(WERROR),0)
191 CFLAGS += -Werror
192 CXXFLAGS += -Werror
193endif
194
195ifndef DEBUG
196 DEBUG := 0
197endif
198
199ifeq ($(DEBUG),0)
200ifeq ($(CC_NO_CLANG), 0)
201 CFLAGS += -O3
202else
203 CFLAGS += -O6
204endif
205endif
206
207ifdef PARSER_DEBUG
208 PARSER_DEBUG_BISON := -t
209 PARSER_DEBUG_FLEX := -d
210 CFLAGS += -DPARSER_DEBUG
211 $(call detected_var,PARSER_DEBUG_BISON)
212 $(call detected_var,PARSER_DEBUG_FLEX)
213endif
214
215# Try different combinations to accommodate systems that only have
216# python[2][-config] in weird combinations but always preferring
217# python2 and python2-config as per pep-0394. If we catch a
218# python[-config] in version 3, the version check will kill it.
219PYTHON2 := $(if $(call get-executable,python2),python2,python)
220override PYTHON := $(call get-executable-or-default,PYTHON,$(PYTHON2))
221PYTHON2_CONFIG := \
222 $(if $(call get-executable,$(PYTHON)-config),$(PYTHON)-config,python-config)
223override PYTHON_CONFIG := \
224 $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON2_CONFIG))
225
226grep-libs = $(filter -l%,$(1))
227strip-libs = $(filter-out -l%,$(1))
228
229PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
230
231ifdef PYTHON_CONFIG
232 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
233 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
234 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
235 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null)
236 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
237endif
238
239FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
240FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
241FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
242FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
243
244FEATURE_CHECK_LDFLAGS-libaio = -lrt
245
246FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes -ldl
247
248CFLAGS += -fno-omit-frame-pointer
249CFLAGS += -ggdb3
250CFLAGS += -funwind-tables
251CFLAGS += -Wall
252CFLAGS += -Wextra
253CFLAGS += -std=gnu99
254
255CXXFLAGS += -std=gnu++11 -fno-exceptions -fno-rtti
256CXXFLAGS += -Wall
257CXXFLAGS += -fno-omit-frame-pointer
258CXXFLAGS += -ggdb3
259CXXFLAGS += -funwind-tables
260CXXFLAGS += -Wno-strict-aliasing
261
262# Enforce a non-executable stack, as we may regress (again) in the future by
263# adding assembler files missing the .GNU-stack linker note.
264LDFLAGS += -Wl,-z,noexecstack
265
266EXTLIBS = -lpthread -lrt -lm -ldl
267
268ifeq ($(FEATURES_DUMP),)
269include $(srctree)/tools/build/Makefile.feature
270else
271include $(FEATURES_DUMP)
272endif
273
274ifeq ($(feature-stackprotector-all), 1)
275 CFLAGS += -fstack-protector-all
276endif
277
278ifeq ($(DEBUG),0)
279 ifeq ($(feature-fortify-source), 1)
280 CFLAGS += -D_FORTIFY_SOURCE=2
281 endif
282endif
283
284INC_FLAGS += -I$(src-perf)/lib/include
285INC_FLAGS += -I$(src-perf)/util/include
286INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
287INC_FLAGS += -I$(srctree)/tools/include/
288INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
289INC_FLAGS += -I$(srctree)/tools/include/uapi
290INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
291INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
292
293# $(obj-perf) for generated common-cmds.h
294# $(obj-perf)/util for generated bison/flex headers
295ifneq ($(OUTPUT),)
296INC_FLAGS += -I$(obj-perf)/util
297INC_FLAGS += -I$(obj-perf)
298endif
299
300INC_FLAGS += -I$(src-perf)/util
301INC_FLAGS += -I$(src-perf)
302INC_FLAGS += -I$(srctree)/tools/lib/
303
304CFLAGS += $(INC_FLAGS)
305CXXFLAGS += $(INC_FLAGS)
306
307CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
308
309ifeq ($(feature-sync-compare-and-swap), 1)
310 CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
311endif
312
313ifeq ($(feature-pthread-attr-setaffinity-np), 1)
314 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
315endif
316
317ifeq ($(feature-pthread-barrier), 1)
318 CFLAGS += -DHAVE_PTHREAD_BARRIER
319endif
320
321ifndef NO_BIONIC
322 $(call feature_check,bionic)
323 ifeq ($(feature-bionic), 1)
324 BIONIC := 1
325 CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE
326 CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE
327 EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
328 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
329 endif
330endif
331
332ifeq ($(feature-eventfd), 1)
333 CFLAGS += -DHAVE_EVENTFD
334endif
335
336ifeq ($(feature-get_current_dir_name), 1)
337 CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME
338endif
339
340ifeq ($(feature-gettid), 1)
341 CFLAGS += -DHAVE_GETTID
342endif
343
344ifdef NO_LIBELF
345 NO_DWARF := 1
346 NO_DEMANGLE := 1
347 NO_LIBUNWIND := 1
348 NO_LIBDW_DWARF_UNWIND := 1
349 NO_LIBBPF := 1
350 NO_JVMTI := 1
351else
352 ifeq ($(feature-libelf), 0)
353 ifeq ($(feature-glibc), 1)
354 LIBC_SUPPORT := 1
355 endif
356 ifeq ($(BIONIC),1)
357 LIBC_SUPPORT := 1
358 endif
359 ifeq ($(LIBC_SUPPORT),1)
360 msg := $(warning No libelf found. Disables 'probe' tool, jvmti and BPF support in 'perf record'. Please install libelf-dev, libelf-devel or elfutils-libelf-devel);
361
362 NO_LIBELF := 1
363 NO_DWARF := 1
364 NO_DEMANGLE := 1
365 NO_LIBUNWIND := 1
366 NO_LIBDW_DWARF_UNWIND := 1
367 NO_LIBBPF := 1
368 NO_JVMTI := 1
369 else
370 ifneq ($(filter s% -static%,$(LDFLAGS),),)
371 msg := $(error No static glibc found, please install glibc-static);
372 else
373 msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
374 endif
375 endif
376 else
377 ifndef NO_LIBDW_DWARF_UNWIND
378 ifneq ($(feature-libdw-dwarf-unwind),1)
379 NO_LIBDW_DWARF_UNWIND := 1
380 msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
381 endif
382 endif
383 ifneq ($(feature-dwarf), 1)
384 ifndef NO_DWARF
385 msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
386 NO_DWARF := 1
387 endif
388 else
389 ifneq ($(feature-dwarf_getlocations), 1)
390 msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
391 else
392 CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT
393 endif # dwarf_getlocations
394 endif # Dwarf support
395 endif # libelf support
396endif # NO_LIBELF
397
398ifeq ($(feature-glibc), 1)
399 CFLAGS += -DHAVE_GLIBC_SUPPORT
400endif
401
402ifeq ($(feature-libaio), 1)
403 ifndef NO_AIO
404 CFLAGS += -DHAVE_AIO_SUPPORT
405 endif
406endif
407
408ifdef NO_DWARF
409 NO_LIBDW_DWARF_UNWIND := 1
410endif
411
412ifeq ($(feature-sched_getcpu), 1)
413 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
414endif
415
416ifeq ($(feature-setns), 1)
417 CFLAGS += -DHAVE_SETNS_SUPPORT
418 $(call detected,CONFIG_SETNS)
419endif
420
421ifdef CORESIGHT
422 $(call feature_check,libopencsd)
423 ifeq ($(feature-libopencsd), 1)
424 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
425 ifeq ($(feature-reallocarray), 0)
426 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
427 endif
428 LDFLAGS += $(LIBOPENCSD_LDFLAGS)
429 EXTLIBS += $(OPENCSDLIBS)
430 $(call detected,CONFIG_LIBOPENCSD)
431 ifdef CSTRACE_RAW
432 CFLAGS += -DCS_DEBUG_RAW
433 ifeq (${CSTRACE_RAW}, packed)
434 CFLAGS += -DCS_RAW_PACKED
435 endif
436 endif
437 endif
438endif
439
440ifndef NO_LIBELF
441 CFLAGS += -DHAVE_LIBELF_SUPPORT
442 EXTLIBS += -lelf
443 $(call detected,CONFIG_LIBELF)
444
445 ifeq ($(feature-libelf-mmap), 1)
446 CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
447 endif
448
449 ifeq ($(feature-libelf-getphdrnum), 1)
450 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
451 endif
452
453 ifeq ($(feature-libelf-gelf_getnote), 1)
454 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
455 else
456 msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
457 endif
458
459 ifeq ($(feature-libelf-getshdrstrndx), 1)
460 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
461 endif
462
463 ifndef NO_DWARF
464 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
465 msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
466 NO_DWARF := 1
467 else
468 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
469 LDFLAGS += $(LIBDW_LDFLAGS)
470 EXTLIBS += ${DWARFLIBS}
471 $(call detected,CONFIG_DWARF)
472 endif # PERF_HAVE_DWARF_REGS
473 endif # NO_DWARF
474
475 ifndef NO_LIBBPF
476 ifeq ($(feature-bpf), 1)
477 CFLAGS += -DHAVE_LIBBPF_SUPPORT
478 $(call detected,CONFIG_LIBBPF)
479 endif
480
481 ifndef NO_DWARF
482 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
483 CFLAGS += -DHAVE_BPF_PROLOGUE
484 $(call detected,CONFIG_BPF_PROLOGUE)
485 else
486 msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset());
487 endif
488 else
489 msg := $(warning DWARF support is off, BPF prologue is disabled);
490 endif
491
492 endif # NO_LIBBPF
493endif # NO_LIBELF
494
495ifndef NO_SDT
496 ifneq ($(feature-sdt), 1)
497 msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
498 NO_SDT := 1;
499 else
500 CFLAGS += -DHAVE_SDT_EVENT
501 $(call detected,CONFIG_SDT_EVENT)
502 endif
503endif
504
505ifdef PERF_HAVE_JITDUMP
506 ifndef NO_LIBELF
507 $(call detected,CONFIG_JITDUMP)
508 CFLAGS += -DHAVE_JITDUMP
509 endif
510endif
511
512ifeq ($(SRCARCH),powerpc)
513 ifndef NO_DWARF
514 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
515 endif
516endif
517
518ifndef NO_LIBUNWIND
519 have_libunwind :=
520
521 $(call feature_check,libunwind-x86)
522 ifeq ($(feature-libunwind-x86), 1)
523 $(call detected,CONFIG_LIBUNWIND_X86)
524 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
525 LDFLAGS += -lunwind-x86
526 EXTLIBS_LIBUNWIND += -lunwind-x86
527 have_libunwind = 1
528 endif
529
530 $(call feature_check,libunwind-aarch64)
531 ifeq ($(feature-libunwind-aarch64), 1)
532 $(call detected,CONFIG_LIBUNWIND_AARCH64)
533 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
534 LDFLAGS += -lunwind-aarch64
535 EXTLIBS_LIBUNWIND += -lunwind-aarch64
536 have_libunwind = 1
537 $(call feature_check,libunwind-debug-frame-aarch64)
538 ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
539 msg := $(warning No debug_frame support found in libunwind-aarch64);
540 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
541 endif
542 endif
543
544 ifneq ($(feature-libunwind), 1)
545 msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
546 NO_LOCAL_LIBUNWIND := 1
547 else
548 have_libunwind := 1
549 $(call detected,CONFIG_LOCAL_LIBUNWIND)
550 endif
551
552 ifneq ($(have_libunwind), 1)
553 NO_LIBUNWIND := 1
554 endif
555else
556 NO_LOCAL_LIBUNWIND := 1
557endif
558
559ifndef NO_LIBBPF
560 ifneq ($(feature-bpf), 1)
561 msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
562 NO_LIBBPF := 1
563 endif
564endif
565
566dwarf-post-unwind := 1
567dwarf-post-unwind-text := BUG
568
569# setup DWARF post unwinder
570ifdef NO_LIBUNWIND
571 ifdef NO_LIBDW_DWARF_UNWIND
572 msg := $(warning Disabling post unwind, no support found.);
573 dwarf-post-unwind := 0
574 else
575 dwarf-post-unwind-text := libdw
576 $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
577 endif
578else
579 dwarf-post-unwind-text := libunwind
580 $(call detected,CONFIG_LIBUNWIND)
581 # Enable libunwind support by default.
582 ifndef NO_LIBDW_DWARF_UNWIND
583 NO_LIBDW_DWARF_UNWIND := 1
584 endif
585endif
586
587ifeq ($(dwarf-post-unwind),1)
588 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
589 $(call detected,CONFIG_DWARF_UNWIND)
590else
591 NO_DWARF_UNWIND := 1
592endif
593
594ifndef NO_LOCAL_LIBUNWIND
595 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
596 $(call feature_check,libunwind-debug-frame)
597 ifneq ($(feature-libunwind-debug-frame), 1)
598 msg := $(warning No debug_frame support found in libunwind);
599 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
600 endif
601 else
602 # non-ARM has no dwarf_find_debug_frame() function:
603 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
604 endif
605 EXTLIBS += $(LIBUNWIND_LIBS)
606 LDFLAGS += $(LIBUNWIND_LIBS)
607endif
608ifeq ($(findstring -static,${LDFLAGS}),-static)
609 # gcc -static links libgcc_eh which contans piece of libunwind
610 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
611endif
612
613ifndef NO_LIBUNWIND
614 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
615 CFLAGS += $(LIBUNWIND_CFLAGS)
616 LDFLAGS += $(LIBUNWIND_LDFLAGS)
617 EXTLIBS += $(EXTLIBS_LIBUNWIND)
618endif
619
620ifeq ($(NO_SYSCALL_TABLE),0)
621 $(call detected,CONFIG_TRACE)
622else
623 ifndef NO_LIBAUDIT
624 ifneq ($(feature-libaudit), 1)
625 msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
626 NO_LIBAUDIT := 1
627 else
628 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
629 EXTLIBS += -laudit
630 $(call detected,CONFIG_TRACE)
631 endif
632 endif
633endif
634
635ifndef NO_LIBCRYPTO
636 ifneq ($(feature-libcrypto), 1)
637 msg := $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev);
638 NO_LIBCRYPTO := 1
639 else
640 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
641 EXTLIBS += -lcrypto
642 $(call detected,CONFIG_CRYPTO)
643 endif
644endif
645
646ifdef NO_NEWT
647 NO_SLANG=1
648endif
649
650ifndef NO_SLANG
651 ifneq ($(feature-libslang), 1)
652 ifneq ($(feature-libslang-include-subdir), 1)
653 msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
654 NO_SLANG := 1
655 else
656 CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR
657 endif
658 endif
659 ifndef NO_SLANG
660 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
661 CFLAGS += -DHAVE_SLANG_SUPPORT
662 EXTLIBS += -lslang
663 $(call detected,CONFIG_SLANG)
664 endif
665endif
666
667ifndef NO_GTK2
668 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
669 ifneq ($(feature-gtk2), 1)
670 msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
671 NO_GTK2 := 1
672 else
673 ifeq ($(feature-gtk2-infobar), 1)
674 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
675 endif
676 CFLAGS += -DHAVE_GTK2_SUPPORT
677 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
678 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
679 EXTLIBS += -ldl
680 endif
681endif
682
683ifdef NO_LIBPERL
684 CFLAGS += -DNO_LIBPERL
685else
686 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
687 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
688 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
689 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
690 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
691 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
692 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
693
694 ifneq ($(feature-libperl), 1)
695 CFLAGS += -DNO_LIBPERL
696 NO_LIBPERL := 1
697 msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
698 else
699 LDFLAGS += $(PERL_EMBED_LDFLAGS)
700 EXTLIBS += $(PERL_EMBED_LIBADD)
701 CFLAGS += -DHAVE_LIBPERL_SUPPORT
702 $(call detected,CONFIG_LIBPERL)
703 endif
704endif
705
706ifeq ($(feature-timerfd), 1)
707 CFLAGS += -DHAVE_TIMERFD_SUPPORT
708else
709 msg := $(warning No timerfd support. Disables 'perf kvm stat live');
710endif
711
712disable-python = $(eval $(disable-python_code))
713define disable-python_code
714 CFLAGS += -DNO_LIBPYTHON
715 $(warning $1)
716 NO_LIBPYTHON := 1
717endef
718
719ifdef NO_LIBPYTHON
720 $(call disable-python,Python support disabled by user)
721else
722
723 ifndef PYTHON
724 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
725 else
726 PYTHON_WORD := $(call shell-wordify,$(PYTHON))
727
728 ifndef PYTHON_CONFIG
729 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
730 else
731
732 ifneq ($(feature-libpython), 1)
733 $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
734 else
735 LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
736 EXTLIBS += $(PYTHON_EMBED_LIBADD)
737 LANG_BINDINGS += $(obj-perf)python/perf.so
738 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
739 $(call detected,CONFIG_LIBPYTHON)
740 endif
741 endif
742 endif
743endif
744
745ifeq ($(feature-libbfd), 1)
746 EXTLIBS += -lbfd -lopcodes
747else
748 # we are on a system that requires -liberty and (maybe) -lz
749 # to link against -lbfd; test each case individually here
750
751 # call all detections now so we get correct
752 # status in VF output
753 $(call feature_check,libbfd-liberty)
754 $(call feature_check,libbfd-liberty-z)
755
756 ifeq ($(feature-libbfd-liberty), 1)
757 EXTLIBS += -lbfd -lopcodes -liberty
758 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl
759 else
760 ifeq ($(feature-libbfd-liberty-z), 1)
761 EXTLIBS += -lbfd -lopcodes -liberty -lz
762 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl
763 endif
764 endif
765 $(call feature_check,disassembler-four-args)
766endif
767
768ifdef NO_DEMANGLE
769 CFLAGS += -DNO_DEMANGLE
770else
771 ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
772 EXTLIBS += -liberty
773 else
774 ifeq ($(filter -liberty,$(EXTLIBS)),)
775 $(call feature_check,cplus-demangle)
776
777 # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
778 # or any of 'bfd iberty z' trinity
779 ifeq ($(feature-cplus-demangle), 1)
780 EXTLIBS += -liberty
781 else
782 msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
783 CFLAGS += -DNO_DEMANGLE
784 endif
785 endif
786 endif
787
788 ifneq ($(filter -liberty,$(EXTLIBS)),)
789 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
790 endif
791endif
792
793ifneq ($(filter -lbfd,$(EXTLIBS)),)
794 CFLAGS += -DHAVE_LIBBFD_SUPPORT
795endif
796
797ifndef NO_ZLIB
798 ifeq ($(feature-zlib), 1)
799 CFLAGS += -DHAVE_ZLIB_SUPPORT
800 EXTLIBS += -lz
801 $(call detected,CONFIG_ZLIB)
802 else
803 NO_ZLIB := 1
804 endif
805endif
806
807ifndef NO_LZMA
808 ifeq ($(feature-lzma), 1)
809 CFLAGS += -DHAVE_LZMA_SUPPORT
810 EXTLIBS += -llzma
811 $(call detected,CONFIG_LZMA)
812 else
813 msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
814 NO_LZMA := 1
815 endif
816endif
817
818ifndef NO_LIBZSTD
819 ifeq ($(feature-libzstd), 1)
820 CFLAGS += -DHAVE_ZSTD_SUPPORT
821 CFLAGS += $(LIBZSTD_CFLAGS)
822 LDFLAGS += $(LIBZSTD_LDFLAGS)
823 EXTLIBS += -lzstd
824 $(call detected,CONFIG_ZSTD)
825 else
826 msg := $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR);
827 NO_LIBZSTD := 1
828 endif
829endif
830
831ifndef NO_LIBCAP
832 ifeq ($(feature-libcap), 1)
833 CFLAGS += -DHAVE_LIBCAP_SUPPORT
834 EXTLIBS += -lcap
835 $(call detected,CONFIG_LIBCAP)
836 else
837 msg := $(warning No libcap found, disables capability support, please install libcap-devel/libcap-dev);
838 NO_LIBCAP := 1
839 endif
840endif
841
842ifndef NO_BACKTRACE
843 ifeq ($(feature-backtrace), 1)
844 CFLAGS += -DHAVE_BACKTRACE_SUPPORT
845 endif
846endif
847
848ifndef NO_LIBNUMA
849 ifeq ($(feature-libnuma), 0)
850 msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
851 NO_LIBNUMA := 1
852 else
853 ifeq ($(feature-numa_num_possible_cpus), 0)
854 msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
855 NO_LIBNUMA := 1
856 else
857 CFLAGS += -DHAVE_LIBNUMA_SUPPORT
858 EXTLIBS += -lnuma
859 $(call detected,CONFIG_NUMA)
860 endif
861 endif
862endif
863
864ifdef HAVE_KVM_STAT_SUPPORT
865 CFLAGS += -DHAVE_KVM_STAT_SUPPORT
866endif
867
868ifeq ($(feature-disassembler-four-args), 1)
869 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
870endif
871
872ifeq (${IS_64_BIT}, 1)
873 ifndef NO_PERF_READ_VDSO32
874 $(call feature_check,compile-32)
875 ifeq ($(feature-compile-32), 1)
876 CFLAGS += -DHAVE_PERF_READ_VDSO32
877 else
878 NO_PERF_READ_VDSO32 := 1
879 endif
880 endif
881 ifneq ($(SRCARCH), x86)
882 NO_PERF_READ_VDSOX32 := 1
883 endif
884 ifndef NO_PERF_READ_VDSOX32
885 $(call feature_check,compile-x32)
886 ifeq ($(feature-compile-x32), 1)
887 CFLAGS += -DHAVE_PERF_READ_VDSOX32
888 else
889 NO_PERF_READ_VDSOX32 := 1
890 endif
891 endif
892else
893 NO_PERF_READ_VDSO32 := 1
894 NO_PERF_READ_VDSOX32 := 1
895endif
896
897ifndef NO_LIBBABELTRACE
898 $(call feature_check,libbabeltrace)
899 ifeq ($(feature-libbabeltrace), 1)
900 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
901 LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
902 EXTLIBS += -lbabeltrace-ctf
903 $(call detected,CONFIG_LIBBABELTRACE)
904 else
905 msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
906 endif
907endif
908
909ifndef NO_AUXTRACE
910 ifeq ($(SRCARCH),x86)
911 ifeq ($(feature-get_cpuid), 0)
912 msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
913 NO_AUXTRACE := 1
914 endif
915 endif
916 ifndef NO_AUXTRACE
917 $(call detected,CONFIG_AUXTRACE)
918 CFLAGS += -DHAVE_AUXTRACE_SUPPORT
919 endif
920endif
921
922ifndef NO_JVMTI
923 ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
924 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
925 else
926 ifneq (,$(wildcard /usr/sbin/alternatives))
927 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g')
928 endif
929 endif
930 ifndef JDIR
931 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
932 NO_JVMTI := 1
933 endif
934endif
935
936ifndef NO_JVMTI
937 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
938 $(call feature_check,jvmti)
939 ifeq ($(feature-jvmti), 1)
940 $(call detected_var,JDIR)
941 ifndef NO_JVMTI_CMLR
942 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti)
943 $(call feature_check,jvmti-cmlr)
944 ifeq ($(feature-jvmti-cmlr), 1)
945 CFLAGS += -DHAVE_JVMTI_CMLR
946 endif
947 endif # NO_JVMTI_CMLR
948 else
949 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel)
950 NO_JVMTI := 1
951 endif
952endif
953
954USE_CXX = 0
955USE_CLANGLLVM = 0
956ifdef LIBCLANGLLVM
957 $(call feature_check,cxx)
958 ifneq ($(feature-cxx), 1)
959 msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
960 else
961 $(call feature_check,llvm)
962 $(call feature_check,llvm-version)
963 ifneq ($(feature-llvm), 1)
964 msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
965 else
966 $(call feature_check,clang)
967 ifneq ($(feature-clang), 1)
968 msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
969 else
970 CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
971 CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
972 $(call detected,CONFIG_CXX)
973 $(call detected,CONFIG_CLANGLLVM)
974 USE_CXX = 1
975 USE_LLVM = 1
976 USE_CLANG = 1
977 ifneq ($(feature-llvm-version),1)
978 msg := $(warning This version of LLVM is not tested. May cause build errors)
979 endif
980 endif
981 endif
982 endif
983endif
984
985# Among the variables below, these:
986# perfexecdir
987# perf_include_dir
988# perf_examples_dir
989# template_dir
990# mandir
991# infodir
992# htmldir
993# ETC_PERFCONFIG (but not sysconfdir)
994# can be specified as a relative path some/where/else;
995# this is interpreted as relative to $(prefix) and "perf" at
996# runtime figures out where they are based on the path to the executable.
997# This can help installing the suite in a relocatable way.
998
999# Make the path relative to DESTDIR, not to prefix
1000ifndef DESTDIR
1001prefix ?= $(HOME)
1002endif
1003bindir_relative = bin
1004bindir = $(abspath $(prefix)/$(bindir_relative))
1005mandir = share/man
1006infodir = share/info
1007perfexecdir = libexec/perf-core
1008perf_include_dir = lib/perf/include
1009perf_examples_dir = lib/perf/examples
1010sharedir = $(prefix)/share
1011template_dir = share/perf-core/templates
1012STRACE_GROUPS_DIR = share/perf-core/strace/groups
1013htmldir = share/doc/perf-doc
1014tipdir = share/doc/perf-tip
1015srcdir = $(srctree)/tools/perf
1016ifeq ($(prefix),/usr)
1017sysconfdir = /etc
1018ETC_PERFCONFIG = $(sysconfdir)/perfconfig
1019else
1020sysconfdir = $(prefix)/etc
1021ETC_PERFCONFIG = etc/perfconfig
1022endif
1023ifndef lib
1024ifeq ($(SRCARCH)$(IS_64_BIT), x861)
1025lib = lib64
1026else
1027lib = lib
1028endif
1029endif # lib
1030libdir = $(prefix)/$(lib)
1031
1032# Shell quote (do not use $(call) to accommodate ancient setups);
1033ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
1034STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
1035DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
1036bindir_SQ = $(subst ','\'',$(bindir))
1037mandir_SQ = $(subst ','\'',$(mandir))
1038infodir_SQ = $(subst ','\'',$(infodir))
1039perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
1040perf_include_dir_SQ = $(subst ','\'',$(perf_include_dir))
1041perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir))
1042template_dir_SQ = $(subst ','\'',$(template_dir))
1043htmldir_SQ = $(subst ','\'',$(htmldir))
1044tipdir_SQ = $(subst ','\'',$(tipdir))
1045prefix_SQ = $(subst ','\'',$(prefix))
1046sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
1047libdir_SQ = $(subst ','\'',$(libdir))
1048srcdir_SQ = $(subst ','\'',$(srcdir))
1049
1050ifneq ($(filter /%,$(firstword $(perfexecdir))),)
1051perfexec_instdir = $(perfexecdir)
1052perf_include_instdir = $(perf_include_dir)
1053perf_examples_instdir = $(perf_examples_dir)
1054STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
1055tip_instdir = $(tipdir)
1056else
1057perfexec_instdir = $(prefix)/$(perfexecdir)
1058perf_include_instdir = $(prefix)/$(perf_include_dir)
1059perf_examples_instdir = $(prefix)/$(perf_examples_dir)
1060STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
1061tip_instdir = $(prefix)/$(tipdir)
1062endif
1063perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
1064perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir))
1065perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir))
1066STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
1067tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
1068
1069# If we install to $(HOME) we keep the traceevent default:
1070# $(HOME)/.traceevent/plugins
1071# Otherwise we install plugins into the global $(libdir).
1072ifdef DESTDIR
1073plugindir=$(libdir)/traceevent/plugins
1074plugindir_SQ= $(subst ','\'',$(plugindir))
1075endif
1076
1077print_var = $(eval $(print_var_code)) $(info $(MSG))
1078define print_var_code
1079 MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
1080endef
1081
1082ifeq ($(VF),1)
1083 # Display EXTRA features which are detected manualy
1084 # from here with feature_check call and thus cannot
1085 # be partof global state output.
1086 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),))
1087 $(call print_var,prefix)
1088 $(call print_var,bindir)
1089 $(call print_var,libdir)
1090 $(call print_var,sysconfdir)
1091 $(call print_var,LIBUNWIND_DIR)
1092 $(call print_var,LIBDW_DIR)
1093 $(call print_var,JDIR)
1094
1095 ifeq ($(dwarf-post-unwind),1)
1096 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
1097 endif
1098 $(info )
1099endif
1100
1101$(call detected_var,bindir_SQ)
1102$(call detected_var,PYTHON_WORD)
1103ifneq ($(OUTPUT),)
1104$(call detected_var,OUTPUT)
1105endif
1106$(call detected_var,htmldir_SQ)
1107$(call detected_var,infodir_SQ)
1108$(call detected_var,mandir_SQ)
1109$(call detected_var,ETC_PERFCONFIG_SQ)
1110$(call detected_var,STRACE_GROUPS_DIR_SQ)
1111$(call detected_var,prefix_SQ)
1112$(call detected_var,perfexecdir_SQ)
1113$(call detected_var,perf_include_dir_SQ)
1114$(call detected_var,perf_examples_dir_SQ)
1115$(call detected_var,tipdir_SQ)
1116$(call detected_var,srcdir_SQ)
1117$(call detected_var,LIBDIR)
1118$(call detected_var,GTK_CFLAGS)
1119$(call detected_var,PERL_EMBED_CCOPTS)
1120$(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),x86)
35 ifeq (${IS_64_BIT}, 1)
36 NO_SYSCALL_TABLE := 0
37 endif
38 else
39 ifeq ($(SRCARCH),$(filter $(SRCARCH),powerpc arm64 s390 mips loongarch))
40 NO_SYSCALL_TABLE := 0
41 endif
42 endif
43
44 ifneq ($(NO_SYSCALL_TABLE),1)
45 CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT
46 endif
47endif
48
49# Additional ARCH settings for ppc
50ifeq ($(SRCARCH),powerpc)
51 CFLAGS += -I$(OUTPUT)arch/powerpc/include/generated
52 LIBUNWIND_LIBS := -lunwind -lunwind-ppc64
53endif
54
55# Additional ARCH settings for x86
56ifeq ($(SRCARCH),x86)
57 $(call detected,CONFIG_X86)
58 ifeq (${IS_64_BIT}, 1)
59 CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT -I$(OUTPUT)arch/x86/include/generated
60 ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
61 LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind -llzma
62 $(call detected,CONFIG_X86_64)
63 else
64 LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind
65 endif
66endif
67
68ifeq ($(SRCARCH),arm)
69 LIBUNWIND_LIBS = -lunwind -lunwind-arm
70endif
71
72ifeq ($(SRCARCH),arm64)
73 CFLAGS += -I$(OUTPUT)arch/arm64/include/generated
74 LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
75endif
76
77ifeq ($(SRCARCH),loongarch)
78 CFLAGS += -I$(OUTPUT)arch/loongarch/include/generated
79 LIBUNWIND_LIBS = -lunwind -lunwind-loongarch64
80endif
81
82ifeq ($(ARCH),s390)
83 CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated
84endif
85
86ifeq ($(ARCH),mips)
87 CFLAGS += -I$(OUTPUT)arch/mips/include/generated
88 LIBUNWIND_LIBS = -lunwind -lunwind-mips
89endif
90
91# So far there's only x86 and arm libdw unwind support merged in perf.
92# Disable it on all other architectures in case libdw unwind
93# support is detected in system. Add supported architectures
94# to the check.
95ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390 csky riscv loongarch))
96 NO_LIBDW_DWARF_UNWIND := 1
97endif
98
99ifeq ($(LIBUNWIND_LIBS),)
100 NO_LIBUNWIND := 1
101endif
102#
103# For linking with debug library, run like:
104#
105# make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
106#
107
108libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
109define libunwind_arch_set_flags_code
110 FEATURE_CHECK_CFLAGS-libunwind-$(1) = -I$(LIBUNWIND_DIR)/include
111 FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
112endef
113
114ifdef LIBUNWIND_DIR
115 LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include
116 LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
117 LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64 loongarch
118 $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
119endif
120
121# Set per-feature check compilation flags
122FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
123FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
124FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
125FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
126
127FEATURE_CHECK_LDFLAGS-libunwind-arm += -lunwind -lunwind-arm
128FEATURE_CHECK_LDFLAGS-libunwind-aarch64 += -lunwind -lunwind-aarch64
129FEATURE_CHECK_LDFLAGS-libunwind-x86 += -lunwind -llzma -lunwind-x86
130FEATURE_CHECK_LDFLAGS-libunwind-x86_64 += -lunwind -llzma -lunwind-x86_64
131
132FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto
133
134ifdef CSINCLUDES
135 LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)
136endif
137OPENCSDLIBS := -lopencsd_c_api -lopencsd
138ifeq ($(findstring -static,${LDFLAGS}),-static)
139 OPENCSDLIBS += -lstdc++
140endif
141ifdef CSLIBS
142 LIBOPENCSD_LDFLAGS := -L$(CSLIBS)
143endif
144FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS)
145FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS)
146
147# for linking with debug library, run like:
148# make DEBUG=1 LIBDW_DIR=/opt/libdw/
149ifdef LIBDW_DIR
150 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include
151 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
152endif
153DWARFLIBS := -ldw
154ifeq ($(findstring -static,${LDFLAGS}),-static)
155 DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2
156endif
157FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
158FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS)
159
160# for linking with debug library, run like:
161# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
162ifdef LIBBABELTRACE_DIR
163 LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include
164 LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
165endif
166FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
167FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
168
169# for linking with debug library, run like:
170# make DEBUG=1 LIBCAPSTONE_DIR=/opt/capstone/
171ifdef LIBCAPSTONE_DIR
172 LIBCAPSTONE_CFLAGS := -I$(LIBCAPSTONE_DIR)/include
173 LIBCAPSTONE_LDFLAGS := -L$(LIBCAPSTONE_DIR)/
174endif
175FEATURE_CHECK_CFLAGS-libcapstone := $(LIBCAPSTONE_CFLAGS)
176FEATURE_CHECK_LDFLAGS-libcapstone := $(LIBCAPSTONE_LDFLAGS) -lcapstone
177
178ifdef LIBZSTD_DIR
179 LIBZSTD_CFLAGS := -I$(LIBZSTD_DIR)/lib
180 LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib
181endif
182FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS)
183FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS)
184
185FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi
186# include ARCH specific config
187-include $(src-perf)/arch/$(SRCARCH)/Makefile
188
189ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
190 CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
191endif
192
193include $(srctree)/tools/scripts/utilities.mak
194
195ifeq ($(call get-executable,$(FLEX)),)
196 $(error Error: $(FLEX) is missing on this system, please install it)
197endif
198
199ifeq ($(call get-executable,$(BISON)),)
200 $(error Error: $(BISON) is missing on this system, please install it)
201endif
202
203ifneq ($(NO_LIBTRACEEVENT),1)
204 ifeq ($(call get-executable,$(PKG_CONFIG)),)
205 dummy := $(error Error: $(PKG_CONFIG) needed by libtraceevent is missing on this system, please install it)
206 endif
207endif
208
209ifneq ($(OUTPUT),)
210 ifeq ($(shell expr $(shell $(BISON) --version | grep bison | sed -e 's/.\+ \([0-9]\+\).\([0-9]\+\).\([0-9]\+\)/\1\2\3/g') \>\= 371), 1)
211 BISON_FILE_PREFIX_MAP := --file-prefix-map=$(OUTPUT)=
212 endif
213endif
214
215# Treat warnings as errors unless directed not to
216ifneq ($(WERROR),0)
217 CORE_CFLAGS += -Werror
218 CXXFLAGS += -Werror
219 HOSTCFLAGS += -Werror
220endif
221
222ifndef DEBUG
223 DEBUG := 0
224endif
225
226ifeq ($(DEBUG),0)
227CORE_CFLAGS += -DNDEBUG=1
228ifeq ($(CC_NO_CLANG), 0)
229 CORE_CFLAGS += -O3
230else
231 CORE_CFLAGS += -O6
232endif
233else
234 CORE_CFLAGS += -g
235 CXXFLAGS += -g
236endif
237
238ifdef PARSER_DEBUG
239 PARSER_DEBUG_BISON := -t
240 PARSER_DEBUG_FLEX := -d
241 CFLAGS += -DPARSER_DEBUG
242 $(call detected_var,PARSER_DEBUG_BISON)
243 $(call detected_var,PARSER_DEBUG_FLEX)
244endif
245
246ifdef LTO
247 CORE_CFLAGS += -flto
248 CXXFLAGS += -flto
249endif
250
251# Try different combinations to accommodate systems that only have
252# python[2][3]-config in weird combinations in the following order of
253# priority from lowest to highest:
254# * python2-config as per pep-0394.
255# * python-config
256# * python3-config
257# * $(PYTHON)-config (If PYTHON is user supplied but PYTHON_CONFIG isn't)
258#
259PYTHON_AUTO := python-config
260PYTHON_AUTO := $(if $(call get-executable,python2-config),python2-config,$(PYTHON_AUTO))
261PYTHON_AUTO := $(if $(call get-executable,python-config),python-config,$(PYTHON_AUTO))
262PYTHON_AUTO := $(if $(call get-executable,python3-config),python3-config,$(PYTHON_AUTO))
263
264# If PYTHON is defined but PYTHON_CONFIG isn't, then take $(PYTHON)-config as if it was the user
265# supplied value for PYTHON_CONFIG. Because it's "user supplied", error out if it doesn't exist.
266ifdef PYTHON
267 ifndef PYTHON_CONFIG
268 PYTHON_CONFIG_AUTO := $(call get-executable,$(PYTHON)-config)
269 PYTHON_CONFIG := $(if $(PYTHON_CONFIG_AUTO),$(PYTHON_CONFIG_AUTO),\
270 $(call $(error $(PYTHON)-config not found)))
271 endif
272endif
273
274# Select either auto detected python and python-config or use user supplied values if they are
275# defined. get-executable-or-default fails with an error if the first argument is supplied but
276# doesn't exist.
277override PYTHON_CONFIG := $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON_AUTO))
278override PYTHON := $(call get-executable-or-default,PYTHON,$(subst -config,,$(PYTHON_CONFIG)))
279
280grep-libs = $(filter -l%,$(1))
281strip-libs = $(filter-out -l%,$(1))
282
283PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
284
285# Python 3.8 changed the output of `python-config --ldflags` to not include the
286# '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for
287# libpython fails if that flag is not included in LDFLAGS
288ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0)
289 PYTHON_CONFIG_LDFLAGS := --ldflags --embed
290else
291 PYTHON_CONFIG_LDFLAGS := --ldflags
292endif
293
294ifdef PYTHON_CONFIG
295 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) $(PYTHON_CONFIG_LDFLAGS) 2>/dev/null)
296 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
297 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
298 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null)
299 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
300 ifeq ($(CC_NO_CLANG), 0)
301 PYTHON_EMBED_CCOPTS := $(filter-out -ffat-lto-objects, $(PYTHON_EMBED_CCOPTS))
302 endif
303endif
304
305FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
306FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
307
308FEATURE_CHECK_LDFLAGS-libaio = -lrt
309
310FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes -ldl
311FEATURE_CHECK_LDFLAGS-disassembler-init-styled = -lbfd -lopcodes -ldl
312
313CORE_CFLAGS += -fno-omit-frame-pointer
314CORE_CFLAGS += -Wall
315CORE_CFLAGS += -Wextra
316CORE_CFLAGS += -std=gnu11
317
318CXXFLAGS += -std=gnu++17 -fno-exceptions -fno-rtti
319CXXFLAGS += -Wall
320CXXFLAGS += -Wextra
321CXXFLAGS += -fno-omit-frame-pointer
322
323HOSTCFLAGS += -Wall
324HOSTCFLAGS += -Wextra
325
326# Enforce a non-executable stack, as we may regress (again) in the future by
327# adding assembler files missing the .GNU-stack linker note.
328LDFLAGS += -Wl,-z,noexecstack
329
330EXTLIBS = -lpthread -lrt -lm -ldl
331
332ifneq ($(TCMALLOC),)
333 CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free
334 EXTLIBS += -ltcmalloc
335endif
336
337ifeq ($(FEATURES_DUMP),)
338# We will display at the end of this Makefile.config, using $(call feature_display_entries)
339# As we may retry some feature detection here, see the disassembler-four-args case, for instance
340 FEATURE_DISPLAY_DEFERRED := 1
341include $(srctree)/tools/build/Makefile.feature
342else
343include $(FEATURES_DUMP)
344endif
345
346ifeq ($(feature-stackprotector-all), 1)
347 CORE_CFLAGS += -fstack-protector-all
348endif
349
350ifeq ($(DEBUG),0)
351 ifeq ($(feature-fortify-source), 1)
352 CORE_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
353 endif
354endif
355
356INC_FLAGS += -I$(src-perf)/util/include
357INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
358INC_FLAGS += -I$(srctree)/tools/include/
359INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
360INC_FLAGS += -I$(srctree)/tools/include/uapi
361INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
362INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
363
364# $(obj-perf) for generated common-cmds.h
365# $(obj-perf)/util for generated bison/flex headers
366ifneq ($(OUTPUT),)
367INC_FLAGS += -I$(obj-perf)/util
368INC_FLAGS += -I$(obj-perf)
369endif
370
371INC_FLAGS += -I$(src-perf)/util
372INC_FLAGS += -I$(src-perf)
373
374CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
375
376CFLAGS += $(CORE_CFLAGS) $(INC_FLAGS)
377CXXFLAGS += $(INC_FLAGS)
378
379LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS)
380
381ifeq ($(feature-pthread-attr-setaffinity-np), 1)
382 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
383endif
384
385ifeq ($(feature-pthread-barrier), 1)
386 CFLAGS += -DHAVE_PTHREAD_BARRIER
387endif
388
389ifndef NO_BIONIC
390 $(call feature_check,bionic)
391 ifeq ($(feature-bionic), 1)
392 BIONIC := 1
393 CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE
394 CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE
395 EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
396 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
397 endif
398endif
399
400ifeq ($(feature-eventfd), 1)
401 CFLAGS += -DHAVE_EVENTFD_SUPPORT
402endif
403
404ifeq ($(feature-get_current_dir_name), 1)
405 CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME
406endif
407
408ifeq ($(feature-gettid), 1)
409 CFLAGS += -DHAVE_GETTID
410endif
411
412ifeq ($(feature-file-handle), 1)
413 CFLAGS += -DHAVE_FILE_HANDLE
414endif
415
416ifdef NO_LIBELF
417 NO_DWARF := 1
418 NO_LIBUNWIND := 1
419 NO_LIBDW_DWARF_UNWIND := 1
420 NO_LIBBPF := 1
421 NO_JVMTI := 1
422else
423 ifeq ($(feature-libelf), 0)
424 ifeq ($(feature-glibc), 1)
425 LIBC_SUPPORT := 1
426 endif
427 ifeq ($(BIONIC),1)
428 LIBC_SUPPORT := 1
429 endif
430 ifeq ($(LIBC_SUPPORT),1)
431 $(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.)
432 else
433 ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),)
434 ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0)
435 $(error No libasan found, please install libasan)
436 endif
437 endif
438
439 ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),)
440 ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0)
441 $(error No libubsan found, please install libubsan)
442 endif
443 endif
444
445 ifneq ($(filter s% -static%,$(LDFLAGS),),)
446 $(error No static glibc found, please install glibc-static)
447 else
448 $(error No gnu/libc-version.h found, please install glibc-dev[el])
449 endif
450 endif
451 else
452 ifndef NO_LIBDW_DWARF_UNWIND
453 ifneq ($(feature-libdw-dwarf-unwind),1)
454 NO_LIBDW_DWARF_UNWIND := 1
455 $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR)
456 endif
457 endif
458 ifneq ($(feature-dwarf), 1)
459 ifndef NO_DWARF
460 $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev)
461 NO_DWARF := 1
462 endif
463 else
464 ifneq ($(feature-dwarf_getlocations), 1)
465 $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157)
466 else
467 CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT
468 endif # dwarf_getlocations
469 ifneq ($(feature-dwarf_getcfi), 1)
470 $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.142)
471 else
472 CFLAGS += -DHAVE_DWARF_CFI_SUPPORT
473 endif # dwarf_getcfi
474 endif # Dwarf support
475 endif # libelf support
476endif # NO_LIBELF
477
478ifeq ($(feature-libaio), 1)
479 ifndef NO_AIO
480 CFLAGS += -DHAVE_AIO_SUPPORT
481 endif
482endif
483
484ifdef NO_DWARF
485 NO_LIBDW_DWARF_UNWIND := 1
486endif
487
488ifeq ($(feature-scandirat), 1)
489 CFLAGS += -DHAVE_SCANDIRAT_SUPPORT
490endif
491
492ifeq ($(feature-sched_getcpu), 1)
493 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
494endif
495
496ifeq ($(feature-setns), 1)
497 CFLAGS += -DHAVE_SETNS_SUPPORT
498 $(call detected,CONFIG_SETNS)
499endif
500
501ifdef CORESIGHT
502 $(call feature_check,libopencsd)
503 ifeq ($(feature-libopencsd), 1)
504 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
505 ifeq ($(feature-reallocarray), 0)
506 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
507 endif
508 LDFLAGS += $(LIBOPENCSD_LDFLAGS)
509 EXTLIBS += $(OPENCSDLIBS)
510 $(call detected,CONFIG_LIBOPENCSD)
511 ifdef CSTRACE_RAW
512 CFLAGS += -DCS_DEBUG_RAW
513 ifeq (${CSTRACE_RAW}, packed)
514 CFLAGS += -DCS_RAW_PACKED
515 endif
516 endif
517 else
518 $(error Error: No libopencsd library found or the version is not up-to-date. Please install recent libopencsd to build with CORESIGHT=1)
519 endif
520endif
521
522ifndef NO_ZLIB
523 ifeq ($(feature-zlib), 1)
524 CFLAGS += -DHAVE_ZLIB_SUPPORT
525 EXTLIBS += -lz
526 $(call detected,CONFIG_ZLIB)
527 else
528 NO_ZLIB := 1
529 endif
530endif
531
532ifndef NO_LIBELF
533 CFLAGS += -DHAVE_LIBELF_SUPPORT
534 EXTLIBS += -lelf
535 $(call detected,CONFIG_LIBELF)
536
537 ifeq ($(feature-libelf-getphdrnum), 1)
538 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
539 endif
540
541 ifeq ($(feature-libelf-gelf_getnote), 1)
542 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
543 else
544 $(warning gelf_getnote() not found on libelf, SDT support disabled)
545 endif
546
547 ifeq ($(feature-libelf-getshdrstrndx), 1)
548 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
549 endif
550
551 ifndef NO_LIBDEBUGINFOD
552 $(call feature_check,libdebuginfod)
553 ifeq ($(feature-libdebuginfod), 1)
554 CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT
555 EXTLIBS += -ldebuginfod
556 endif
557 endif
558
559 ifndef NO_DWARF
560 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
561 $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled)
562 NO_DWARF := 1
563 else
564 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
565 LDFLAGS += $(LIBDW_LDFLAGS)
566 EXTLIBS += ${DWARFLIBS}
567 $(call detected,CONFIG_DWARF)
568 endif # PERF_HAVE_DWARF_REGS
569 endif # NO_DWARF
570
571 ifndef NO_LIBBPF
572 ifeq ($(feature-bpf), 1)
573 # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status
574 $(call feature_check,libbpf)
575
576 ifdef LIBBPF_DYNAMIC
577 ifeq ($(feature-libbpf), 1)
578 EXTLIBS += -lbpf
579 CFLAGS += -DHAVE_LIBBPF_SUPPORT
580 $(call detected,CONFIG_LIBBPF)
581 $(call detected,CONFIG_LIBBPF_DYNAMIC)
582 else
583 $(error Error: No libbpf devel library found or older than v1.0, please install/update libbpf-devel)
584 endif
585 else
586 ifeq ($(NO_ZLIB), 1)
587 $(warning Warning: Statically building libbpf not possible as zlib is missing)
588 NO_LIBBPF := 1
589 else
590 # Libbpf will be built as a static library from tools/lib/bpf.
591 LIBBPF_STATIC := 1
592 $(call detected,CONFIG_LIBBPF)
593 CFLAGS += -DHAVE_LIBBPF_SUPPORT
594 endif
595 endif
596 endif
597 endif # NO_LIBBPF
598endif # NO_LIBELF
599
600ifndef NO_SDT
601 ifneq ($(feature-sdt), 1)
602 $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev)
603 NO_SDT := 1;
604 else
605 CFLAGS += -DHAVE_SDT_EVENT
606 $(call detected,CONFIG_SDT_EVENT)
607 endif
608endif
609
610ifdef PERF_HAVE_JITDUMP
611 ifndef NO_LIBELF
612 $(call detected,CONFIG_JITDUMP)
613 CFLAGS += -DHAVE_JITDUMP
614 endif
615endif
616
617ifeq ($(SRCARCH),powerpc)
618 ifndef NO_DWARF
619 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
620 endif
621endif
622
623ifndef NO_LIBUNWIND
624 have_libunwind :=
625
626 $(call feature_check,libunwind-x86)
627 ifeq ($(feature-libunwind-x86), 1)
628 $(call detected,CONFIG_LIBUNWIND_X86)
629 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
630 LDFLAGS += -lunwind-x86
631 EXTLIBS_LIBUNWIND += -lunwind-x86
632 have_libunwind = 1
633 endif
634
635 $(call feature_check,libunwind-aarch64)
636 ifeq ($(feature-libunwind-aarch64), 1)
637 $(call detected,CONFIG_LIBUNWIND_AARCH64)
638 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
639 LDFLAGS += -lunwind-aarch64
640 EXTLIBS_LIBUNWIND += -lunwind-aarch64
641 have_libunwind = 1
642 $(call feature_check,libunwind-debug-frame-aarch64)
643 ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
644 $(warning No debug_frame support found in libunwind-aarch64)
645 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
646 endif
647 endif
648
649 ifneq ($(feature-libunwind), 1)
650 $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR)
651 NO_LOCAL_LIBUNWIND := 1
652 else
653 have_libunwind := 1
654 $(call detected,CONFIG_LOCAL_LIBUNWIND)
655 endif
656
657 ifneq ($(have_libunwind), 1)
658 NO_LIBUNWIND := 1
659 endif
660else
661 NO_LOCAL_LIBUNWIND := 1
662endif
663
664ifndef NO_LIBBPF
665 ifneq ($(feature-bpf), 1)
666 $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
667 NO_LIBBPF := 1
668 endif
669endif
670
671ifndef BUILD_BPF_SKEL
672 # BPF skeletons control a large number of perf features, by default
673 # they are enabled.
674 BUILD_BPF_SKEL := 1
675endif
676
677ifeq ($(BUILD_BPF_SKEL),1)
678 ifeq ($(filter -DHAVE_LIBELF_SUPPORT, $(CFLAGS)),)
679 $(warning Warning: Disabled BPF skeletons as libelf is required by bpftool)
680 BUILD_BPF_SKEL := 0
681 else ifeq ($(filter -DHAVE_ZLIB_SUPPORT, $(CFLAGS)),)
682 $(warning Warning: Disabled BPF skeletons as zlib is required by bpftool)
683 BUILD_BPF_SKEL := 0
684 else ifeq ($(filter -DHAVE_LIBBPF_SUPPORT, $(CFLAGS)),)
685 $(warning Warning: Disabled BPF skeletons as libbpf is required)
686 BUILD_BPF_SKEL := 0
687 else ifeq ($(call get-executable,$(CLANG)),)
688 $(warning Warning: Disabled BPF skeletons as clang ($(CLANG)) is missing)
689 BUILD_BPF_SKEL := 0
690 else
691 CLANG_VERSION := $(shell $(CLANG) --version | head -1 | sed 's/.*clang version \([[:digit:]]\+.[[:digit:]]\+.[[:digit:]]\+\).*/\1/g')
692 ifeq ($(call version-lt3,$(CLANG_VERSION),12.0.1),1)
693 $(warning Warning: Disabled BPF skeletons as reliable BTF generation needs at least $(CLANG) version 12.0.1)
694 BUILD_BPF_SKEL := 0
695 endif
696 endif
697 ifeq ($(BUILD_BPF_SKEL),1)
698 $(call feature_check,clang-bpf-co-re)
699 ifeq ($(feature-clang-bpf-co-re), 0)
700 $(warning Warning: Disabled BPF skeletons as clang is too old)
701 BUILD_BPF_SKEL := 0
702 endif
703 endif
704 ifeq ($(BUILD_BPF_SKEL),1)
705 $(call detected,CONFIG_PERF_BPF_SKEL)
706 CFLAGS += -DHAVE_BPF_SKEL
707 endif
708endif
709
710ifndef GEN_VMLINUX_H
711 VMLINUX_H=$(src-perf)/util/bpf_skel/vmlinux/vmlinux.h
712endif
713
714dwarf-post-unwind := 1
715dwarf-post-unwind-text := BUG
716
717# setup DWARF post unwinder
718ifdef NO_LIBUNWIND
719 ifdef NO_LIBDW_DWARF_UNWIND
720 $(warning Disabling post unwind, no support found.)
721 dwarf-post-unwind := 0
722 else
723 dwarf-post-unwind-text := libdw
724 $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
725 endif
726else
727 dwarf-post-unwind-text := libunwind
728 $(call detected,CONFIG_LIBUNWIND)
729 # Enable libunwind support by default.
730 ifndef NO_LIBDW_DWARF_UNWIND
731 NO_LIBDW_DWARF_UNWIND := 1
732 endif
733endif
734
735ifeq ($(dwarf-post-unwind),1)
736 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
737 $(call detected,CONFIG_DWARF_UNWIND)
738else
739 NO_DWARF_UNWIND := 1
740endif
741
742ifndef NO_LOCAL_LIBUNWIND
743 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
744 $(call feature_check,libunwind-debug-frame)
745 ifneq ($(feature-libunwind-debug-frame), 1)
746 $(warning No debug_frame support found in libunwind)
747 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
748 endif
749 else
750 # non-ARM has no dwarf_find_debug_frame() function:
751 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
752 endif
753 EXTLIBS += $(LIBUNWIND_LIBS)
754 LDFLAGS += $(LIBUNWIND_LIBS)
755endif
756ifeq ($(findstring -static,${LDFLAGS}),-static)
757 # gcc -static links libgcc_eh which contans piece of libunwind
758 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
759endif
760
761ifndef NO_LIBUNWIND
762 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
763 CFLAGS += $(LIBUNWIND_CFLAGS)
764 LDFLAGS += $(LIBUNWIND_LDFLAGS)
765 EXTLIBS += $(EXTLIBS_LIBUNWIND)
766endif
767
768ifneq ($(NO_LIBTRACEEVENT),1)
769 ifeq ($(NO_SYSCALL_TABLE),0)
770 $(call detected,CONFIG_TRACE)
771 else
772 ifndef NO_LIBAUDIT
773 $(call feature_check,libaudit)
774 ifneq ($(feature-libaudit), 1)
775 $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev)
776 NO_LIBAUDIT := 1
777 else
778 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
779 EXTLIBS += -laudit
780 $(call detected,CONFIG_TRACE)
781 endif
782 endif
783 endif
784endif
785
786ifndef NO_LIBCRYPTO
787 ifneq ($(feature-libcrypto), 1)
788 $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev)
789 NO_LIBCRYPTO := 1
790 else
791 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
792 EXTLIBS += -lcrypto
793 $(call detected,CONFIG_CRYPTO)
794 endif
795endif
796
797ifndef NO_SLANG
798 ifneq ($(feature-libslang), 1)
799 ifneq ($(feature-libslang-include-subdir), 1)
800 $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev)
801 NO_SLANG := 1
802 else
803 CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR
804 endif
805 endif
806 ifndef NO_SLANG
807 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
808 CFLAGS += -DHAVE_SLANG_SUPPORT
809 EXTLIBS += -lslang
810 $(call detected,CONFIG_SLANG)
811 endif
812endif
813
814ifdef GTK2
815 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
816 $(call feature_check,gtk2)
817 ifneq ($(feature-gtk2), 1)
818 $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev)
819 NO_GTK2 := 1
820 else
821 $(call feature_check,gtk2-infobar)
822 ifeq ($(feature-gtk2-infobar), 1)
823 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
824 endif
825 CFLAGS += -DHAVE_GTK2_SUPPORT
826 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
827 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
828 EXTLIBS += -ldl
829 endif
830endif
831
832ifdef NO_LIBPERL
833 CFLAGS += -DNO_LIBPERL
834else
835 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
836 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
837 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
838 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
839 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
840 PERL_EMBED_CCOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(PERL_EMBED_CCOPTS))
841 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
842 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
843
844 ifneq ($(feature-libperl), 1)
845 CFLAGS += -DNO_LIBPERL
846 NO_LIBPERL := 1
847 $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev)
848 else
849 LDFLAGS += $(PERL_EMBED_LDFLAGS)
850 EXTLIBS += $(PERL_EMBED_LIBADD)
851 CFLAGS += -DHAVE_LIBPERL_SUPPORT
852 ifeq ($(CC_NO_CLANG), 0)
853 CFLAGS += -Wno-compound-token-split-by-macro
854 endif
855 $(call detected,CONFIG_LIBPERL)
856 endif
857endif
858
859ifeq ($(feature-timerfd), 1)
860 CFLAGS += -DHAVE_TIMERFD_SUPPORT
861else
862 $(warning No timerfd support. Disables 'perf kvm stat live')
863endif
864
865disable-python = $(eval $(disable-python_code))
866define disable-python_code
867 CFLAGS += -DNO_LIBPYTHON
868 $(warning $1)
869 NO_LIBPYTHON := 1
870endef
871
872PYTHON_EXTENSION_SUFFIX := '.so'
873ifdef NO_LIBPYTHON
874 $(call disable-python,Python support disabled by user)
875else
876
877 ifndef PYTHON
878 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
879 else
880 PYTHON_WORD := $(call shell-wordify,$(PYTHON))
881
882 ifndef PYTHON_CONFIG
883 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
884 else
885
886 ifneq ($(feature-libpython), 1)
887 $(call disable-python,No 'Python.h' was found: disables Python support - please install python-devel/python-dev)
888 else
889 LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
890 EXTLIBS += $(PYTHON_EMBED_LIBADD)
891 PYTHON_SETUPTOOLS_INSTALLED := $(shell $(PYTHON) -c 'import setuptools;' 2> /dev/null && echo "yes" || echo "no")
892 ifeq ($(PYTHON_SETUPTOOLS_INSTALLED), yes)
893 PYTHON_EXTENSION_SUFFIX := $(shell $(PYTHON) -c 'from importlib import machinery; print(machinery.EXTENSION_SUFFIXES[0])')
894 LANG_BINDINGS += $(obj-perf)python/perf$(PYTHON_EXTENSION_SUFFIX)
895 else
896 $(warning Missing python setuptools, the python binding won't be built, please install python3-setuptools or equivalent)
897 endif
898 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
899 $(call detected,CONFIG_LIBPYTHON)
900 endif
901 endif
902 endif
903endif
904
905ifneq ($(NO_JEVENTS),1)
906 ifeq ($(wildcard pmu-events/arch/$(SRCARCH)/mapfile.csv),)
907 NO_JEVENTS := 1
908 endif
909endif
910ifneq ($(NO_JEVENTS),1)
911 NO_JEVENTS := 0
912 ifndef PYTHON
913 $(error ERROR: No python interpreter needed for jevents generation. Install python or build with NO_JEVENTS=1.)
914 else
915 # jevents.py uses f-strings present in Python 3.6 released in Dec. 2016.
916 JEVENTS_PYTHON_GOOD := $(shell $(PYTHON) -c 'import sys;print("1" if(sys.version_info.major >= 3 and sys.version_info.minor >= 6) else "0")' 2> /dev/null)
917 ifneq ($(JEVENTS_PYTHON_GOOD), 1)
918 $(error ERROR: Python interpreter needed for jevents generation too old (older than 3.6). Install a newer python or build with NO_JEVENTS=1.)
919 endif
920 endif
921endif
922
923ifdef BUILD_NONDISTRO
924 ifeq ($(feature-libbfd), 1)
925 EXTLIBS += -lbfd -lopcodes
926 else
927 # we are on a system that requires -liberty and (maybe) -lz
928 # to link against -lbfd; test each case individually here
929
930 # call all detections now so we get correct
931 # status in VF output
932 $(call feature_check,libbfd-liberty)
933 $(call feature_check,libbfd-liberty-z)
934
935 ifeq ($(feature-libbfd-liberty), 1)
936 EXTLIBS += -lbfd -lopcodes -liberty
937 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl
938 FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -ldl
939 else
940 ifeq ($(feature-libbfd-liberty-z), 1)
941 EXTLIBS += -lbfd -lopcodes -liberty -lz
942 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl
943 FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -lz -ldl
944 endif
945 endif
946 $(call feature_check,disassembler-four-args)
947 $(call feature_check,disassembler-init-styled)
948 endif
949
950 CFLAGS += -DHAVE_LIBBFD_SUPPORT
951 CXXFLAGS += -DHAVE_LIBBFD_SUPPORT
952 ifeq ($(feature-libbfd-buildid), 1)
953 CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT
954 else
955 $(warning Old version of libbfd/binutils things like PE executable profiling will not be available)
956 endif
957endif
958
959ifndef NO_DEMANGLE
960 $(call feature_check,cxa-demangle)
961 ifeq ($(feature-cxa-demangle), 1)
962 EXTLIBS += -lstdc++
963 CFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT
964 CXXFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT
965 $(call detected,CONFIG_CXX_DEMANGLE)
966 endif
967 ifdef BUILD_NONDISTRO
968 ifeq ($(filter -liberty,$(EXTLIBS)),)
969 $(call feature_check,cplus-demangle)
970 ifeq ($(feature-cplus-demangle), 1)
971 EXTLIBS += -liberty
972 endif
973 endif
974 ifneq ($(filter -liberty,$(EXTLIBS)),)
975 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
976 CXXFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
977 endif
978 endif
979endif
980
981ifndef NO_LZMA
982 ifeq ($(feature-lzma), 1)
983 CFLAGS += -DHAVE_LZMA_SUPPORT
984 EXTLIBS += -llzma
985 $(call detected,CONFIG_LZMA)
986 else
987 $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev)
988 NO_LZMA := 1
989 endif
990endif
991
992ifndef NO_LIBZSTD
993 ifeq ($(feature-libzstd), 1)
994 CFLAGS += -DHAVE_ZSTD_SUPPORT
995 CFLAGS += $(LIBZSTD_CFLAGS)
996 LDFLAGS += $(LIBZSTD_LDFLAGS)
997 EXTLIBS += -lzstd
998 $(call detected,CONFIG_ZSTD)
999 else
1000 $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR)
1001 NO_LIBZSTD := 1
1002 endif
1003endif
1004
1005ifndef NO_LIBCAP
1006 ifeq ($(feature-libcap), 1)
1007 CFLAGS += -DHAVE_LIBCAP_SUPPORT
1008 EXTLIBS += -lcap
1009 $(call detected,CONFIG_LIBCAP)
1010 else
1011 $(warning No libcap found, disables capability support, please install libcap-devel/libcap-dev)
1012 NO_LIBCAP := 1
1013 endif
1014endif
1015
1016ifndef NO_BACKTRACE
1017 ifeq ($(feature-backtrace), 1)
1018 CFLAGS += -DHAVE_BACKTRACE_SUPPORT
1019 endif
1020endif
1021
1022ifndef NO_LIBNUMA
1023 ifeq ($(feature-libnuma), 0)
1024 $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev)
1025 NO_LIBNUMA := 1
1026 else
1027 ifeq ($(feature-numa_num_possible_cpus), 0)
1028 $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8)
1029 NO_LIBNUMA := 1
1030 else
1031 CFLAGS += -DHAVE_LIBNUMA_SUPPORT
1032 EXTLIBS += -lnuma
1033 $(call detected,CONFIG_NUMA)
1034 endif
1035 endif
1036endif
1037
1038ifdef HAVE_KVM_STAT_SUPPORT
1039 CFLAGS += -DHAVE_KVM_STAT_SUPPORT
1040endif
1041
1042ifeq ($(feature-disassembler-four-args), 1)
1043 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
1044endif
1045
1046ifeq ($(feature-disassembler-init-styled), 1)
1047 CFLAGS += -DDISASM_INIT_STYLED
1048endif
1049
1050ifeq (${IS_64_BIT}, 1)
1051 ifndef NO_PERF_READ_VDSO32
1052 $(call feature_check,compile-32)
1053 ifeq ($(feature-compile-32), 1)
1054 CFLAGS += -DHAVE_PERF_READ_VDSO32
1055 else
1056 NO_PERF_READ_VDSO32 := 1
1057 endif
1058 endif
1059 ifneq ($(SRCARCH), x86)
1060 NO_PERF_READ_VDSOX32 := 1
1061 endif
1062 ifndef NO_PERF_READ_VDSOX32
1063 $(call feature_check,compile-x32)
1064 ifeq ($(feature-compile-x32), 1)
1065 CFLAGS += -DHAVE_PERF_READ_VDSOX32
1066 else
1067 NO_PERF_READ_VDSOX32 := 1
1068 endif
1069 endif
1070else
1071 NO_PERF_READ_VDSO32 := 1
1072 NO_PERF_READ_VDSOX32 := 1
1073endif
1074
1075ifndef NO_LIBBABELTRACE
1076 $(call feature_check,libbabeltrace)
1077 ifeq ($(feature-libbabeltrace), 1)
1078 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
1079 LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
1080 EXTLIBS += -lbabeltrace-ctf
1081 $(call detected,CONFIG_LIBBABELTRACE)
1082 else
1083 $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev)
1084 endif
1085endif
1086
1087ifndef NO_CAPSTONE
1088 $(call feature_check,libcapstone)
1089 ifeq ($(feature-libcapstone), 1)
1090 CFLAGS += -DHAVE_LIBCAPSTONE_SUPPORT $(LIBCAPSTONE_CFLAGS)
1091 LDFLAGS += $(LICAPSTONE_LDFLAGS)
1092 EXTLIBS += -lcapstone
1093 $(call detected,CONFIG_LIBCAPSTONE)
1094 else
1095 msg := $(warning No libcapstone found, disables disasm engine support for 'perf script', please install libcapstone-dev/capstone-devel);
1096 endif
1097endif
1098
1099ifndef NO_AUXTRACE
1100 ifeq ($(SRCARCH),x86)
1101 ifeq ($(feature-get_cpuid), 0)
1102 $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc)
1103 NO_AUXTRACE := 1
1104 endif
1105 endif
1106 ifndef NO_AUXTRACE
1107 $(call detected,CONFIG_AUXTRACE)
1108 CFLAGS += -DHAVE_AUXTRACE_SUPPORT
1109 ifeq ($(feature-reallocarray), 0)
1110 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
1111 endif
1112 endif
1113endif
1114
1115ifdef EXTRA_TESTS
1116 $(call detected,CONFIG_EXTRA_TESTS)
1117 CFLAGS += -DHAVE_EXTRA_TESTS
1118endif
1119
1120ifndef NO_JVMTI
1121 ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
1122 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
1123 else
1124 ifneq (,$(wildcard /usr/sbin/alternatives))
1125 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g')
1126 endif
1127 endif
1128 ifndef JDIR
1129 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
1130 NO_JVMTI := 1
1131 endif
1132endif
1133
1134ifndef NO_JVMTI
1135 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
1136 $(call feature_check,jvmti)
1137 ifeq ($(feature-jvmti), 1)
1138 $(call detected_var,JDIR)
1139 ifndef NO_JVMTI_CMLR
1140 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti)
1141 $(call feature_check,jvmti-cmlr)
1142 ifeq ($(feature-jvmti-cmlr), 1)
1143 CFLAGS += -DHAVE_JVMTI_CMLR
1144 endif
1145 endif # NO_JVMTI_CMLR
1146 else
1147 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel)
1148 NO_JVMTI := 1
1149 endif
1150endif
1151
1152ifndef NO_LIBPFM4
1153 $(call feature_check,libpfm4)
1154 ifeq ($(feature-libpfm4), 1)
1155 CFLAGS += -DHAVE_LIBPFM
1156 EXTLIBS += -lpfm
1157 ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1
1158 $(call detected,CONFIG_LIBPFM4)
1159 else
1160 $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev)
1161 endif
1162endif
1163
1164# libtraceevent is a recommended dependency picked up from the system.
1165ifneq ($(NO_LIBTRACEEVENT),1)
1166 $(call feature_check,libtraceevent)
1167 ifeq ($(feature-libtraceevent), 1)
1168 CFLAGS += -DHAVE_LIBTRACEEVENT
1169 EXTLIBS += -ltraceevent
1170 LIBTRACEEVENT_VERSION := $(shell $(PKG_CONFIG) --modversion libtraceevent)
1171 LIBTRACEEVENT_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEEVENT_VERSION)))
1172 LIBTRACEEVENT_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEEVENT_VERSION)))
1173 LIBTRACEEVENT_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEEVENT_VERSION)))
1174 LIBTRACEEVENT_VERSION_CPP := $(shell expr $(LIBTRACEEVENT_VERSION_1) \* 255 \* 255 + $(LIBTRACEEVENT_VERSION_2) \* 255 + $(LIBTRACEEVENT_VERSION_3))
1175 CFLAGS += -DLIBTRACEEVENT_VERSION=$(LIBTRACEEVENT_VERSION_CPP)
1176 $(call detected,CONFIG_LIBTRACEEVENT)
1177 else
1178 $(error ERROR: libtraceevent is missing. Please install libtraceevent-dev/libtraceevent-devel or build with NO_LIBTRACEEVENT=1)
1179 endif
1180
1181 $(call feature_check,libtracefs)
1182 ifeq ($(feature-libtracefs), 1)
1183 EXTLIBS += -ltracefs
1184 LIBTRACEFS_VERSION := $(shell $(PKG_CONFIG) --modversion libtracefs)
1185 LIBTRACEFS_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEFS_VERSION)))
1186 LIBTRACEFS_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEFS_VERSION)))
1187 LIBTRACEFS_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEFS_VERSION)))
1188 LIBTRACEFS_VERSION_CPP := $(shell expr $(LIBTRACEFS_VERSION_1) \* 255 \* 255 + $(LIBTRACEFS_VERSION_2) \* 255 + $(LIBTRACEFS_VERSION_3))
1189 CFLAGS += -DLIBTRACEFS_VERSION=$(LIBTRACEFS_VERSION_CPP)
1190 endif
1191endif
1192
1193# Among the variables below, these:
1194# perfexecdir
1195# libbpf_include_dir
1196# perf_examples_dir
1197# template_dir
1198# mandir
1199# infodir
1200# htmldir
1201# ETC_PERFCONFIG (but not sysconfdir)
1202# can be specified as a relative path some/where/else;
1203# this is interpreted as relative to $(prefix) and "perf" at
1204# runtime figures out where they are based on the path to the executable.
1205# This can help installing the suite in a relocatable way.
1206
1207# Make the path relative to DESTDIR, not to prefix
1208ifndef DESTDIR
1209prefix ?= $(HOME)
1210endif
1211bindir_relative = bin
1212bindir = $(abspath $(prefix)/$(bindir_relative))
1213includedir_relative = include
1214includedir = $(abspath $(prefix)/$(includedir_relative))
1215mandir = share/man
1216infodir = share/info
1217perfexecdir = libexec/perf-core
1218# FIXME: system's libbpf header directory, where we expect to find bpf/bpf_helpers.h, for instance
1219libbpf_include_dir = /usr/include
1220perf_examples_dir = lib/perf/examples
1221sharedir = $(prefix)/share
1222template_dir = share/perf-core/templates
1223STRACE_GROUPS_DIR = share/perf-core/strace/groups
1224htmldir = share/doc/perf-doc
1225tipdir = share/doc/perf-tip
1226srcdir = $(srctree)/tools/perf
1227ifeq ($(prefix),/usr)
1228sysconfdir = /etc
1229ETC_PERFCONFIG = $(sysconfdir)/perfconfig
1230else
1231sysconfdir = $(prefix)/etc
1232ETC_PERFCONFIG = etc/perfconfig
1233endif
1234ifndef lib
1235ifeq ($(SRCARCH)$(IS_64_BIT), x861)
1236lib = lib64
1237else
1238lib = lib
1239endif
1240endif # lib
1241libdir = $(prefix)/$(lib)
1242
1243# Shell quote (do not use $(call) to accommodate ancient setups);
1244ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
1245STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
1246DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
1247bindir_SQ = $(subst ','\'',$(bindir))
1248includedir_SQ = $(subst ','\'',$(includedir))
1249mandir_SQ = $(subst ','\'',$(mandir))
1250infodir_SQ = $(subst ','\'',$(infodir))
1251perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
1252libbpf_include_dir_SQ = $(subst ','\'',$(libbpf_include_dir))
1253perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir))
1254template_dir_SQ = $(subst ','\'',$(template_dir))
1255htmldir_SQ = $(subst ','\'',$(htmldir))
1256tipdir_SQ = $(subst ','\'',$(tipdir))
1257prefix_SQ = $(subst ','\'',$(prefix))
1258sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
1259libdir_SQ = $(subst ','\'',$(libdir))
1260srcdir_SQ = $(subst ','\'',$(srcdir))
1261
1262ifneq ($(filter /%,$(firstword $(perfexecdir))),)
1263perfexec_instdir = $(perfexecdir)
1264perf_include_instdir = $(libbpf_include_dir)
1265perf_examples_instdir = $(perf_examples_dir)
1266STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
1267tip_instdir = $(tipdir)
1268else
1269perfexec_instdir = $(prefix)/$(perfexecdir)
1270perf_include_instdir = $(prefix)/$(libbpf_include_dir)
1271perf_examples_instdir = $(prefix)/$(perf_examples_dir)
1272STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
1273tip_instdir = $(prefix)/$(tipdir)
1274endif
1275perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
1276perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir))
1277perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir))
1278STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
1279tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
1280
1281export perfexec_instdir_SQ
1282
1283print_var = $(eval $(print_var_code)) $(info $(MSG))
1284define print_var_code
1285 MSG = $(shell printf '...%40s: %s' $(1) $($(1)))
1286endef
1287
1288ifeq ($(feature_display),1)
1289 $(call feature_display_entries)
1290endif
1291
1292ifeq ($(VF),1)
1293 # Display EXTRA features which are detected manualy
1294 # from here with feature_check call and thus cannot
1295 # be partof global state output.
1296 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),) $(info $(MSG)))
1297 $(call print_var,prefix)
1298 $(call print_var,bindir)
1299 $(call print_var,libdir)
1300 $(call print_var,sysconfdir)
1301 $(call print_var,LIBUNWIND_DIR)
1302 $(call print_var,LIBDW_DIR)
1303 $(call print_var,JDIR)
1304
1305 ifeq ($(dwarf-post-unwind),1)
1306 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text)) $(info $(MSG))
1307 endif
1308endif
1309
1310$(info )
1311
1312$(call detected_var,bindir_SQ)
1313$(call detected_var,PYTHON_WORD)
1314ifneq ($(OUTPUT),)
1315$(call detected_var,OUTPUT)
1316endif
1317$(call detected_var,htmldir_SQ)
1318$(call detected_var,infodir_SQ)
1319$(call detected_var,mandir_SQ)
1320$(call detected_var,ETC_PERFCONFIG_SQ)
1321$(call detected_var,STRACE_GROUPS_DIR_SQ)
1322$(call detected_var,prefix_SQ)
1323$(call detected_var,perfexecdir_SQ)
1324$(call detected_var,libbpf_include_dir_SQ)
1325$(call detected_var,perf_examples_dir_SQ)
1326$(call detected_var,tipdir_SQ)
1327$(call detected_var,srcdir_SQ)
1328$(call detected_var,LIBDIR)
1329$(call detected_var,GTK_CFLAGS)
1330$(call detected_var,PERL_EMBED_CCOPTS)
1331$(call detected_var,PYTHON_EMBED_CCOPTS)
1332ifneq ($(BISON_FILE_PREFIX_MAP),)
1333$(call detected_var,BISON_FILE_PREFIX_MAP)
1334endif
1335
1336# re-generate FEATURE-DUMP as we may have called feature_check, found out
1337# extra libraries to add to LDFLAGS of some other test and then redo those
1338# tests, see the block about libbfd, disassembler-four-args, for instance.
1339$(shell rm -f $(FEATURE_DUMP_FILENAME))
1340$(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME)))