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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))
20
21include $(srctree)/tools/scripts/Makefile.arch
22
23$(call detected_var,SRCARCH)
24
25NO_PERF_REGS := 1
26
27ifneq ($(NO_SYSCALL_TABLE),1)
28 NO_SYSCALL_TABLE := 1
29
30 ifeq ($(SRCARCH),x86)
31 ifeq (${IS_64_BIT}, 1)
32 NO_SYSCALL_TABLE := 0
33 endif
34 else
35 ifeq ($(SRCARCH),$(filter $(SRCARCH),powerpc arm64 s390 mips))
36 NO_SYSCALL_TABLE := 0
37 endif
38 endif
39
40 ifneq ($(NO_SYSCALL_TABLE),1)
41 CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT
42 endif
43endif
44
45# Additional ARCH settings for ppc
46ifeq ($(SRCARCH),powerpc)
47 NO_PERF_REGS := 0
48 CFLAGS += -I$(OUTPUT)arch/powerpc/include/generated
49 LIBUNWIND_LIBS := -lunwind -lunwind-ppc64
50endif
51
52# Additional ARCH settings for x86
53ifeq ($(SRCARCH),x86)
54 $(call detected,CONFIG_X86)
55 ifeq (${IS_64_BIT}, 1)
56 CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT -I$(OUTPUT)arch/x86/include/generated
57 ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
58 LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind -llzma
59 $(call detected,CONFIG_X86_64)
60 else
61 LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind
62 endif
63 NO_PERF_REGS := 0
64endif
65
66ifeq ($(SRCARCH),arm)
67 NO_PERF_REGS := 0
68 LIBUNWIND_LIBS = -lunwind -lunwind-arm
69endif
70
71ifeq ($(SRCARCH),arm64)
72 NO_PERF_REGS := 0
73 CFLAGS += -I$(OUTPUT)arch/arm64/include/generated
74 LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
75endif
76
77ifeq ($(SRCARCH),riscv)
78 NO_PERF_REGS := 0
79endif
80
81ifeq ($(SRCARCH),csky)
82 NO_PERF_REGS := 0
83endif
84
85ifeq ($(ARCH),s390)
86 NO_PERF_REGS := 0
87 CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated
88endif
89
90ifeq ($(ARCH),mips)
91 NO_PERF_REGS := 0
92 CFLAGS += -I$(OUTPUT)arch/mips/include/generated
93 LIBUNWIND_LIBS = -lunwind -lunwind-mips
94endif
95
96ifeq ($(NO_PERF_REGS),0)
97 $(call detected,CONFIG_PERF_REGS)
98endif
99
100# So far there's only x86 and arm libdw unwind support merged in perf.
101# Disable it on all other architectures in case libdw unwind
102# support is detected in system. Add supported architectures
103# to the check.
104ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390 csky riscv))
105 NO_LIBDW_DWARF_UNWIND := 1
106endif
107
108ifeq ($(LIBUNWIND_LIBS),)
109 NO_LIBUNWIND := 1
110endif
111#
112# For linking with debug library, run like:
113#
114# make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
115#
116
117libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
118define libunwind_arch_set_flags_code
119 FEATURE_CHECK_CFLAGS-libunwind-$(1) = -I$(LIBUNWIND_DIR)/include
120 FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
121endef
122
123ifdef LIBUNWIND_DIR
124 LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include
125 LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
126 LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64
127 $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
128endif
129
130# Set per-feature check compilation flags
131FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
132FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
133FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
134FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
135
136FEATURE_CHECK_LDFLAGS-libunwind-arm += -lunwind -lunwind-arm
137FEATURE_CHECK_LDFLAGS-libunwind-aarch64 += -lunwind -lunwind-aarch64
138FEATURE_CHECK_LDFLAGS-libunwind-x86 += -lunwind -llzma -lunwind-x86
139FEATURE_CHECK_LDFLAGS-libunwind-x86_64 += -lunwind -llzma -lunwind-x86_64
140
141FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto
142
143ifdef CSINCLUDES
144 LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)
145endif
146OPENCSDLIBS := -lopencsd_c_api -lopencsd
147ifdef CSLIBS
148 LIBOPENCSD_LDFLAGS := -L$(CSLIBS)
149endif
150FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS)
151FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS)
152
153ifeq ($(NO_PERF_REGS),0)
154 CFLAGS += -DHAVE_PERF_REGS_SUPPORT
155endif
156
157# for linking with debug library, run like:
158# make DEBUG=1 LIBDW_DIR=/opt/libdw/
159ifdef LIBDW_DIR
160 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include
161 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
162endif
163DWARFLIBS := -ldw
164ifeq ($(findstring -static,${LDFLAGS}),-static)
165 DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2
166endif
167FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
168FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS)
169
170# for linking with debug library, run like:
171# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
172ifdef LIBBABELTRACE_DIR
173 LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include
174 LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
175endif
176FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
177FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
178
179ifdef LIBZSTD_DIR
180 LIBZSTD_CFLAGS := -I$(LIBZSTD_DIR)/lib
181 LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib
182endif
183FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS)
184FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS)
185
186FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi
187# include ARCH specific config
188-include $(src-perf)/arch/$(SRCARCH)/Makefile
189
190ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
191 CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
192endif
193
194include $(srctree)/tools/scripts/utilities.mak
195
196ifeq ($(call get-executable,$(FLEX)),)
197 dummy := $(error Error: $(FLEX) is missing on this system, please install it)
198endif
199
200ifeq ($(call get-executable,$(BISON)),)
201 dummy := $(error Error: $(BISON) is missing on this system, please install it)
202endif
203
204ifneq ($(OUTPUT),)
205 ifeq ($(shell expr $(shell $(BISON) --version | grep bison | sed -e 's/.\+ \([0-9]\+\).\([0-9]\+\).\([0-9]\+\)/\1\2\3/g') \>\= 371), 1)
206 BISON_FILE_PREFIX_MAP := --file-prefix-map=$(OUTPUT)=
207 endif
208endif
209
210# Treat warnings as errors unless directed not to
211ifneq ($(WERROR),0)
212 CORE_CFLAGS += -Werror
213 CXXFLAGS += -Werror
214endif
215
216ifndef DEBUG
217 DEBUG := 0
218endif
219
220ifeq ($(DEBUG),0)
221ifeq ($(CC_NO_CLANG), 0)
222 CORE_CFLAGS += -O3
223else
224 CORE_CFLAGS += -O6
225endif
226endif
227
228ifdef PARSER_DEBUG
229 PARSER_DEBUG_BISON := -t
230 PARSER_DEBUG_FLEX := -d
231 CFLAGS += -DPARSER_DEBUG
232 $(call detected_var,PARSER_DEBUG_BISON)
233 $(call detected_var,PARSER_DEBUG_FLEX)
234endif
235
236# Try different combinations to accommodate systems that only have
237# python[2][-config] in weird combinations but always preferring
238# python2 and python2-config as per pep-0394. If python2 or python
239# aren't found, then python3 is used.
240PYTHON_AUTO := python
241PYTHON_AUTO := $(if $(call get-executable,python3),python3,$(PYTHON_AUTO))
242PYTHON_AUTO := $(if $(call get-executable,python),python,$(PYTHON_AUTO))
243PYTHON_AUTO := $(if $(call get-executable,python2),python2,$(PYTHON_AUTO))
244override PYTHON := $(call get-executable-or-default,PYTHON,$(PYTHON_AUTO))
245PYTHON_AUTO_CONFIG := \
246 $(if $(call get-executable,$(PYTHON)-config),$(PYTHON)-config,python-config)
247override PYTHON_CONFIG := \
248 $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON_AUTO_CONFIG))
249
250grep-libs = $(filter -l%,$(1))
251strip-libs = $(filter-out -l%,$(1))
252
253PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
254
255# Python 3.8 changed the output of `python-config --ldflags` to not include the
256# '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for
257# libpython fails if that flag is not included in LDFLAGS
258ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0)
259 PYTHON_CONFIG_LDFLAGS := --ldflags --embed
260else
261 PYTHON_CONFIG_LDFLAGS := --ldflags
262endif
263
264ifdef PYTHON_CONFIG
265 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) $(PYTHON_CONFIG_LDFLAGS) 2>/dev/null)
266 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
267 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
268 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null)
269 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
270endif
271
272FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
273FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
274FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
275FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
276
277FEATURE_CHECK_LDFLAGS-libaio = -lrt
278
279FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes -ldl
280
281CORE_CFLAGS += -fno-omit-frame-pointer
282CORE_CFLAGS += -ggdb3
283CORE_CFLAGS += -funwind-tables
284CORE_CFLAGS += -Wall
285CORE_CFLAGS += -Wextra
286CORE_CFLAGS += -std=gnu99
287
288CXXFLAGS += -std=gnu++11 -fno-exceptions -fno-rtti
289CXXFLAGS += -Wall
290CXXFLAGS += -fno-omit-frame-pointer
291CXXFLAGS += -ggdb3
292CXXFLAGS += -funwind-tables
293CXXFLAGS += -Wno-strict-aliasing
294
295# Enforce a non-executable stack, as we may regress (again) in the future by
296# adding assembler files missing the .GNU-stack linker note.
297LDFLAGS += -Wl,-z,noexecstack
298
299EXTLIBS = -lpthread -lrt -lm -ldl
300
301ifneq ($(TCMALLOC),)
302 CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free
303 EXTLIBS += -ltcmalloc
304endif
305
306ifeq ($(FEATURES_DUMP),)
307# We will display at the end of this Makefile.config, using $(call feature_display_entries)
308# As we may retry some feature detection here, see the disassembler-four-args case, for instance
309 FEATURE_DISPLAY_DEFERRED := 1
310include $(srctree)/tools/build/Makefile.feature
311else
312include $(FEATURES_DUMP)
313endif
314
315ifeq ($(feature-stackprotector-all), 1)
316 CORE_CFLAGS += -fstack-protector-all
317endif
318
319ifeq ($(DEBUG),0)
320 ifeq ($(feature-fortify-source), 1)
321 CORE_CFLAGS += -D_FORTIFY_SOURCE=2
322 endif
323endif
324
325INC_FLAGS += -I$(srctree)/tools/lib/perf/include
326INC_FLAGS += -I$(src-perf)/util/include
327INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
328INC_FLAGS += -I$(srctree)/tools/include/
329INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
330INC_FLAGS += -I$(srctree)/tools/include/uapi
331INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
332INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
333
334# $(obj-perf) for generated common-cmds.h
335# $(obj-perf)/util for generated bison/flex headers
336ifneq ($(OUTPUT),)
337INC_FLAGS += -I$(obj-perf)/util
338INC_FLAGS += -I$(obj-perf)
339endif
340
341INC_FLAGS += -I$(src-perf)/util
342INC_FLAGS += -I$(src-perf)
343INC_FLAGS += -I$(srctree)/tools/lib/
344
345CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
346
347CFLAGS += $(CORE_CFLAGS) $(INC_FLAGS)
348CXXFLAGS += $(INC_FLAGS)
349
350LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS)
351
352ifeq ($(feature-sync-compare-and-swap), 1)
353 CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
354endif
355
356ifeq ($(feature-pthread-attr-setaffinity-np), 1)
357 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
358endif
359
360ifeq ($(feature-pthread-barrier), 1)
361 CFLAGS += -DHAVE_PTHREAD_BARRIER
362endif
363
364ifndef NO_BIONIC
365 $(call feature_check,bionic)
366 ifeq ($(feature-bionic), 1)
367 BIONIC := 1
368 CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE
369 CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE
370 EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
371 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
372 endif
373endif
374
375ifeq ($(feature-eventfd), 1)
376 CFLAGS += -DHAVE_EVENTFD_SUPPORT
377endif
378
379ifeq ($(feature-get_current_dir_name), 1)
380 CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME
381endif
382
383ifeq ($(feature-gettid), 1)
384 CFLAGS += -DHAVE_GETTID
385endif
386
387ifeq ($(feature-file-handle), 1)
388 CFLAGS += -DHAVE_FILE_HANDLE
389endif
390
391ifdef NO_LIBELF
392 NO_DWARF := 1
393 NO_DEMANGLE := 1
394 NO_LIBUNWIND := 1
395 NO_LIBDW_DWARF_UNWIND := 1
396 NO_LIBBPF := 1
397 NO_JVMTI := 1
398else
399 ifeq ($(feature-libelf), 0)
400 ifeq ($(feature-glibc), 1)
401 LIBC_SUPPORT := 1
402 endif
403 ifeq ($(BIONIC),1)
404 LIBC_SUPPORT := 1
405 endif
406 ifeq ($(LIBC_SUPPORT),1)
407 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);
408
409 NO_LIBELF := 1
410 NO_DWARF := 1
411 NO_DEMANGLE := 1
412 NO_LIBUNWIND := 1
413 NO_LIBDW_DWARF_UNWIND := 1
414 NO_LIBBPF := 1
415 NO_JVMTI := 1
416 else
417 ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),)
418 ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0)
419 msg := $(error No libasan found, please install libasan);
420 endif
421 endif
422
423 ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),)
424 ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0)
425 msg := $(error No libubsan found, please install libubsan);
426 endif
427 endif
428
429 ifneq ($(filter s% -static%,$(LDFLAGS),),)
430 msg := $(error No static glibc found, please install glibc-static);
431 else
432 msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
433 endif
434 endif
435 else
436 ifndef NO_LIBDW_DWARF_UNWIND
437 ifneq ($(feature-libdw-dwarf-unwind),1)
438 NO_LIBDW_DWARF_UNWIND := 1
439 msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
440 endif
441 endif
442 ifneq ($(feature-dwarf), 1)
443 ifndef NO_DWARF
444 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);
445 NO_DWARF := 1
446 endif
447 else
448 ifneq ($(feature-dwarf_getlocations), 1)
449 msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
450 else
451 CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT
452 endif # dwarf_getlocations
453 endif # Dwarf support
454 endif # libelf support
455endif # NO_LIBELF
456
457ifeq ($(feature-glibc), 1)
458 CFLAGS += -DHAVE_GLIBC_SUPPORT
459endif
460
461ifeq ($(feature-libaio), 1)
462 ifndef NO_AIO
463 CFLAGS += -DHAVE_AIO_SUPPORT
464 endif
465endif
466
467ifdef NO_DWARF
468 NO_LIBDW_DWARF_UNWIND := 1
469endif
470
471ifeq ($(feature-sched_getcpu), 1)
472 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
473endif
474
475ifeq ($(feature-setns), 1)
476 CFLAGS += -DHAVE_SETNS_SUPPORT
477 $(call detected,CONFIG_SETNS)
478endif
479
480ifdef CORESIGHT
481 $(call feature_check,libopencsd)
482 ifeq ($(feature-libopencsd), 1)
483 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
484 ifeq ($(feature-reallocarray), 0)
485 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
486 endif
487 LDFLAGS += $(LIBOPENCSD_LDFLAGS)
488 EXTLIBS += $(OPENCSDLIBS)
489 $(call detected,CONFIG_LIBOPENCSD)
490 ifdef CSTRACE_RAW
491 CFLAGS += -DCS_DEBUG_RAW
492 ifeq (${CSTRACE_RAW}, packed)
493 CFLAGS += -DCS_RAW_PACKED
494 endif
495 endif
496 endif
497endif
498
499ifndef NO_LIBELF
500 CFLAGS += -DHAVE_LIBELF_SUPPORT
501 EXTLIBS += -lelf
502 $(call detected,CONFIG_LIBELF)
503
504 ifeq ($(feature-libelf-getphdrnum), 1)
505 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
506 endif
507
508 ifeq ($(feature-libelf-gelf_getnote), 1)
509 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
510 else
511 msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
512 endif
513
514 ifeq ($(feature-libelf-getshdrstrndx), 1)
515 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
516 endif
517
518 ifndef NO_LIBDEBUGINFOD
519 $(call feature_check,libdebuginfod)
520 ifeq ($(feature-libdebuginfod), 1)
521 CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT
522 EXTLIBS += -ldebuginfod
523 endif
524 endif
525
526 ifndef NO_DWARF
527 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
528 msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
529 NO_DWARF := 1
530 else
531 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
532 LDFLAGS += $(LIBDW_LDFLAGS)
533 EXTLIBS += ${DWARFLIBS}
534 $(call detected,CONFIG_DWARF)
535 endif # PERF_HAVE_DWARF_REGS
536 endif # NO_DWARF
537
538 ifndef NO_LIBBPF
539 ifeq ($(feature-bpf), 1)
540 CFLAGS += -DHAVE_LIBBPF_SUPPORT
541 $(call detected,CONFIG_LIBBPF)
542
543 # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status
544 $(call feature_check,libbpf)
545 ifdef LIBBPF_DYNAMIC
546 ifeq ($(feature-libbpf), 1)
547 EXTLIBS += -lbpf
548 $(call detected,CONFIG_LIBBPF_DYNAMIC)
549 else
550 dummy := $(error Error: No libbpf devel library found, please install libbpf-devel);
551 endif
552 endif
553 endif
554
555 ifndef NO_DWARF
556 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
557 CFLAGS += -DHAVE_BPF_PROLOGUE
558 $(call detected,CONFIG_BPF_PROLOGUE)
559 else
560 msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset());
561 endif
562 else
563 msg := $(warning DWARF support is off, BPF prologue is disabled);
564 endif
565
566 endif # NO_LIBBPF
567endif # NO_LIBELF
568
569ifndef NO_SDT
570 ifneq ($(feature-sdt), 1)
571 msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
572 NO_SDT := 1;
573 else
574 CFLAGS += -DHAVE_SDT_EVENT
575 $(call detected,CONFIG_SDT_EVENT)
576 endif
577endif
578
579ifdef PERF_HAVE_JITDUMP
580 ifndef NO_LIBELF
581 $(call detected,CONFIG_JITDUMP)
582 CFLAGS += -DHAVE_JITDUMP
583 endif
584endif
585
586ifeq ($(SRCARCH),powerpc)
587 ifndef NO_DWARF
588 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
589 endif
590endif
591
592ifndef NO_LIBUNWIND
593 have_libunwind :=
594
595 $(call feature_check,libunwind-x86)
596 ifeq ($(feature-libunwind-x86), 1)
597 $(call detected,CONFIG_LIBUNWIND_X86)
598 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
599 LDFLAGS += -lunwind-x86
600 EXTLIBS_LIBUNWIND += -lunwind-x86
601 have_libunwind = 1
602 endif
603
604 $(call feature_check,libunwind-aarch64)
605 ifeq ($(feature-libunwind-aarch64), 1)
606 $(call detected,CONFIG_LIBUNWIND_AARCH64)
607 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
608 LDFLAGS += -lunwind-aarch64
609 EXTLIBS_LIBUNWIND += -lunwind-aarch64
610 have_libunwind = 1
611 $(call feature_check,libunwind-debug-frame-aarch64)
612 ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
613 msg := $(warning No debug_frame support found in libunwind-aarch64);
614 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
615 endif
616 endif
617
618 ifneq ($(feature-libunwind), 1)
619 msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
620 NO_LOCAL_LIBUNWIND := 1
621 else
622 have_libunwind := 1
623 $(call detected,CONFIG_LOCAL_LIBUNWIND)
624 endif
625
626 ifneq ($(have_libunwind), 1)
627 NO_LIBUNWIND := 1
628 endif
629else
630 NO_LOCAL_LIBUNWIND := 1
631endif
632
633ifndef NO_LIBBPF
634 ifneq ($(feature-bpf), 1)
635 msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
636 NO_LIBBPF := 1
637 endif
638endif
639
640ifdef BUILD_BPF_SKEL
641 $(call feature_check,clang-bpf-co-re)
642 ifeq ($(feature-clang-bpf-co-re), 0)
643 dummy := $(error Error: clang too old/not installed. Please install recent clang to build with BUILD_BPF_SKEL)
644 endif
645 $(call detected,CONFIG_PERF_BPF_SKEL)
646 CFLAGS += -DHAVE_BPF_SKEL
647endif
648
649dwarf-post-unwind := 1
650dwarf-post-unwind-text := BUG
651
652# setup DWARF post unwinder
653ifdef NO_LIBUNWIND
654 ifdef NO_LIBDW_DWARF_UNWIND
655 msg := $(warning Disabling post unwind, no support found.);
656 dwarf-post-unwind := 0
657 else
658 dwarf-post-unwind-text := libdw
659 $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
660 endif
661else
662 dwarf-post-unwind-text := libunwind
663 $(call detected,CONFIG_LIBUNWIND)
664 # Enable libunwind support by default.
665 ifndef NO_LIBDW_DWARF_UNWIND
666 NO_LIBDW_DWARF_UNWIND := 1
667 endif
668endif
669
670ifeq ($(dwarf-post-unwind),1)
671 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
672 $(call detected,CONFIG_DWARF_UNWIND)
673else
674 NO_DWARF_UNWIND := 1
675endif
676
677ifndef NO_LOCAL_LIBUNWIND
678 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
679 $(call feature_check,libunwind-debug-frame)
680 ifneq ($(feature-libunwind-debug-frame), 1)
681 msg := $(warning No debug_frame support found in libunwind);
682 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
683 endif
684 else
685 # non-ARM has no dwarf_find_debug_frame() function:
686 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
687 endif
688 EXTLIBS += $(LIBUNWIND_LIBS)
689 LDFLAGS += $(LIBUNWIND_LIBS)
690endif
691ifeq ($(findstring -static,${LDFLAGS}),-static)
692 # gcc -static links libgcc_eh which contans piece of libunwind
693 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
694endif
695
696ifndef NO_LIBUNWIND
697 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
698 CFLAGS += $(LIBUNWIND_CFLAGS)
699 LDFLAGS += $(LIBUNWIND_LDFLAGS)
700 EXTLIBS += $(EXTLIBS_LIBUNWIND)
701endif
702
703ifeq ($(NO_SYSCALL_TABLE),0)
704 $(call detected,CONFIG_TRACE)
705else
706 ifndef NO_LIBAUDIT
707 $(call feature_check,libaudit)
708 ifneq ($(feature-libaudit), 1)
709 msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
710 NO_LIBAUDIT := 1
711 else
712 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
713 EXTLIBS += -laudit
714 $(call detected,CONFIG_TRACE)
715 endif
716 endif
717endif
718
719ifndef NO_LIBCRYPTO
720 ifneq ($(feature-libcrypto), 1)
721 msg := $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev);
722 NO_LIBCRYPTO := 1
723 else
724 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
725 EXTLIBS += -lcrypto
726 $(call detected,CONFIG_CRYPTO)
727 endif
728endif
729
730ifdef NO_NEWT
731 NO_SLANG=1
732endif
733
734ifndef NO_SLANG
735 ifneq ($(feature-libslang), 1)
736 ifneq ($(feature-libslang-include-subdir), 1)
737 msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
738 NO_SLANG := 1
739 else
740 CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR
741 endif
742 endif
743 ifndef NO_SLANG
744 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
745 CFLAGS += -DHAVE_SLANG_SUPPORT
746 EXTLIBS += -lslang
747 $(call detected,CONFIG_SLANG)
748 endif
749endif
750
751ifdef GTK2
752 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
753 $(call feature_check,gtk2)
754 ifneq ($(feature-gtk2), 1)
755 msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
756 NO_GTK2 := 1
757 else
758 $(call feature_check,gtk2-infobar)
759 ifeq ($(feature-gtk2-infobar), 1)
760 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
761 endif
762 CFLAGS += -DHAVE_GTK2_SUPPORT
763 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
764 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
765 EXTLIBS += -ldl
766 endif
767endif
768
769ifdef NO_LIBPERL
770 CFLAGS += -DNO_LIBPERL
771else
772 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
773 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
774 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
775 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
776 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
777 PERL_EMBED_CCOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(PERL_EMBED_CCOPTS))
778 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
779 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
780
781 ifneq ($(feature-libperl), 1)
782 CFLAGS += -DNO_LIBPERL
783 NO_LIBPERL := 1
784 msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
785 else
786 LDFLAGS += $(PERL_EMBED_LDFLAGS)
787 EXTLIBS += $(PERL_EMBED_LIBADD)
788 CFLAGS += -DHAVE_LIBPERL_SUPPORT
789 $(call detected,CONFIG_LIBPERL)
790 endif
791endif
792
793ifeq ($(feature-timerfd), 1)
794 CFLAGS += -DHAVE_TIMERFD_SUPPORT
795else
796 msg := $(warning No timerfd support. Disables 'perf kvm stat live');
797endif
798
799disable-python = $(eval $(disable-python_code))
800define disable-python_code
801 CFLAGS += -DNO_LIBPYTHON
802 $(warning $1)
803 NO_LIBPYTHON := 1
804endef
805
806ifdef NO_LIBPYTHON
807 $(call disable-python,Python support disabled by user)
808else
809
810 ifndef PYTHON
811 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
812 else
813 PYTHON_WORD := $(call shell-wordify,$(PYTHON))
814
815 ifndef PYTHON_CONFIG
816 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
817 else
818
819 ifneq ($(feature-libpython), 1)
820 $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
821 else
822 LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
823 EXTLIBS += $(PYTHON_EMBED_LIBADD)
824 LANG_BINDINGS += $(obj-perf)python/perf.so
825 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
826 $(call detected,CONFIG_LIBPYTHON)
827 endif
828 endif
829 endif
830endif
831
832ifeq ($(feature-libbfd), 1)
833 EXTLIBS += -lbfd -lopcodes
834else
835 # we are on a system that requires -liberty and (maybe) -lz
836 # to link against -lbfd; test each case individually here
837
838 # call all detections now so we get correct
839 # status in VF output
840 $(call feature_check,libbfd-liberty)
841 $(call feature_check,libbfd-liberty-z)
842
843 ifeq ($(feature-libbfd-liberty), 1)
844 EXTLIBS += -lbfd -lopcodes -liberty
845 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl
846 else
847 ifeq ($(feature-libbfd-liberty-z), 1)
848 EXTLIBS += -lbfd -lopcodes -liberty -lz
849 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl
850 endif
851 endif
852 $(call feature_check,disassembler-four-args)
853endif
854
855ifeq ($(feature-libbfd-buildid), 1)
856 CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT
857else
858 msg := $(warning Old version of libbfd/binutils things like PE executable profiling will not be available);
859endif
860
861ifdef NO_DEMANGLE
862 CFLAGS += -DNO_DEMANGLE
863else
864 ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
865 EXTLIBS += -liberty
866 else
867 ifeq ($(filter -liberty,$(EXTLIBS)),)
868 $(call feature_check,cplus-demangle)
869
870 # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
871 # or any of 'bfd iberty z' trinity
872 ifeq ($(feature-cplus-demangle), 1)
873 EXTLIBS += -liberty
874 else
875 msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
876 CFLAGS += -DNO_DEMANGLE
877 endif
878 endif
879 endif
880
881 ifneq ($(filter -liberty,$(EXTLIBS)),)
882 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
883 endif
884endif
885
886ifneq ($(filter -lbfd,$(EXTLIBS)),)
887 CFLAGS += -DHAVE_LIBBFD_SUPPORT
888endif
889
890ifndef NO_ZLIB
891 ifeq ($(feature-zlib), 1)
892 CFLAGS += -DHAVE_ZLIB_SUPPORT
893 EXTLIBS += -lz
894 $(call detected,CONFIG_ZLIB)
895 else
896 NO_ZLIB := 1
897 endif
898endif
899
900ifndef NO_LZMA
901 ifeq ($(feature-lzma), 1)
902 CFLAGS += -DHAVE_LZMA_SUPPORT
903 EXTLIBS += -llzma
904 $(call detected,CONFIG_LZMA)
905 else
906 msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
907 NO_LZMA := 1
908 endif
909endif
910
911ifndef NO_LIBZSTD
912 ifeq ($(feature-libzstd), 1)
913 CFLAGS += -DHAVE_ZSTD_SUPPORT
914 CFLAGS += $(LIBZSTD_CFLAGS)
915 LDFLAGS += $(LIBZSTD_LDFLAGS)
916 EXTLIBS += -lzstd
917 $(call detected,CONFIG_ZSTD)
918 else
919 msg := $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR);
920 NO_LIBZSTD := 1
921 endif
922endif
923
924ifndef NO_LIBCAP
925 ifeq ($(feature-libcap), 1)
926 CFLAGS += -DHAVE_LIBCAP_SUPPORT
927 EXTLIBS += -lcap
928 $(call detected,CONFIG_LIBCAP)
929 else
930 msg := $(warning No libcap found, disables capability support, please install libcap-devel/libcap-dev);
931 NO_LIBCAP := 1
932 endif
933endif
934
935ifndef NO_BACKTRACE
936 ifeq ($(feature-backtrace), 1)
937 CFLAGS += -DHAVE_BACKTRACE_SUPPORT
938 endif
939endif
940
941ifndef NO_LIBNUMA
942 ifeq ($(feature-libnuma), 0)
943 msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
944 NO_LIBNUMA := 1
945 else
946 ifeq ($(feature-numa_num_possible_cpus), 0)
947 msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
948 NO_LIBNUMA := 1
949 else
950 CFLAGS += -DHAVE_LIBNUMA_SUPPORT
951 EXTLIBS += -lnuma
952 $(call detected,CONFIG_NUMA)
953 endif
954 endif
955endif
956
957ifdef HAVE_KVM_STAT_SUPPORT
958 CFLAGS += -DHAVE_KVM_STAT_SUPPORT
959endif
960
961ifeq ($(feature-disassembler-four-args), 1)
962 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
963endif
964
965ifeq (${IS_64_BIT}, 1)
966 ifndef NO_PERF_READ_VDSO32
967 $(call feature_check,compile-32)
968 ifeq ($(feature-compile-32), 1)
969 CFLAGS += -DHAVE_PERF_READ_VDSO32
970 else
971 NO_PERF_READ_VDSO32 := 1
972 endif
973 endif
974 ifneq ($(SRCARCH), x86)
975 NO_PERF_READ_VDSOX32 := 1
976 endif
977 ifndef NO_PERF_READ_VDSOX32
978 $(call feature_check,compile-x32)
979 ifeq ($(feature-compile-x32), 1)
980 CFLAGS += -DHAVE_PERF_READ_VDSOX32
981 else
982 NO_PERF_READ_VDSOX32 := 1
983 endif
984 endif
985else
986 NO_PERF_READ_VDSO32 := 1
987 NO_PERF_READ_VDSOX32 := 1
988endif
989
990ifndef NO_LIBBABELTRACE
991 $(call feature_check,libbabeltrace)
992 ifeq ($(feature-libbabeltrace), 1)
993 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
994 LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
995 EXTLIBS += -lbabeltrace-ctf
996 $(call detected,CONFIG_LIBBABELTRACE)
997 else
998 msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
999 endif
1000endif
1001
1002ifndef NO_AUXTRACE
1003 ifeq ($(SRCARCH),x86)
1004 ifeq ($(feature-get_cpuid), 0)
1005 msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
1006 NO_AUXTRACE := 1
1007 endif
1008 endif
1009 ifndef NO_AUXTRACE
1010 $(call detected,CONFIG_AUXTRACE)
1011 CFLAGS += -DHAVE_AUXTRACE_SUPPORT
1012 endif
1013endif
1014
1015ifndef NO_JVMTI
1016 ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
1017 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
1018 else
1019 ifneq (,$(wildcard /usr/sbin/alternatives))
1020 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g')
1021 endif
1022 endif
1023 ifndef JDIR
1024 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
1025 NO_JVMTI := 1
1026 endif
1027endif
1028
1029ifndef NO_JVMTI
1030 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
1031 $(call feature_check,jvmti)
1032 ifeq ($(feature-jvmti), 1)
1033 $(call detected_var,JDIR)
1034 ifndef NO_JVMTI_CMLR
1035 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti)
1036 $(call feature_check,jvmti-cmlr)
1037 ifeq ($(feature-jvmti-cmlr), 1)
1038 CFLAGS += -DHAVE_JVMTI_CMLR
1039 endif
1040 endif # NO_JVMTI_CMLR
1041 else
1042 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel)
1043 NO_JVMTI := 1
1044 endif
1045endif
1046
1047USE_CXX = 0
1048USE_CLANGLLVM = 0
1049ifdef LIBCLANGLLVM
1050 $(call feature_check,cxx)
1051 ifneq ($(feature-cxx), 1)
1052 msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
1053 else
1054 $(call feature_check,llvm)
1055 $(call feature_check,llvm-version)
1056 ifneq ($(feature-llvm), 1)
1057 msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
1058 else
1059 $(call feature_check,clang)
1060 ifneq ($(feature-clang), 1)
1061 msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
1062 else
1063 CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
1064 CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
1065 $(call detected,CONFIG_CXX)
1066 $(call detected,CONFIG_CLANGLLVM)
1067 USE_CXX = 1
1068 USE_LLVM = 1
1069 USE_CLANG = 1
1070 ifneq ($(feature-llvm-version),1)
1071 msg := $(warning This version of LLVM is not tested. May cause build errors)
1072 endif
1073 endif
1074 endif
1075 endif
1076endif
1077
1078ifdef LIBPFM4
1079 $(call feature_check,libpfm4)
1080 ifeq ($(feature-libpfm4), 1)
1081 CFLAGS += -DHAVE_LIBPFM
1082 EXTLIBS += -lpfm
1083 ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1
1084 $(call detected,CONFIG_LIBPFM4)
1085 else
1086 msg := $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev);
1087 NO_LIBPFM4 := 1
1088 endif
1089endif
1090
1091ifdef LIBTRACEEVENT_DYNAMIC
1092 $(call feature_check,libtraceevent)
1093 ifeq ($(feature-libtraceevent), 1)
1094 EXTLIBS += -ltraceevent
1095 else
1096 dummy := $(error Error: No libtraceevent devel library found, please install libtraceevent-devel);
1097 endif
1098endif
1099
1100# Among the variables below, these:
1101# perfexecdir
1102# perf_include_dir
1103# perf_examples_dir
1104# template_dir
1105# mandir
1106# infodir
1107# htmldir
1108# ETC_PERFCONFIG (but not sysconfdir)
1109# can be specified as a relative path some/where/else;
1110# this is interpreted as relative to $(prefix) and "perf" at
1111# runtime figures out where they are based on the path to the executable.
1112# This can help installing the suite in a relocatable way.
1113
1114# Make the path relative to DESTDIR, not to prefix
1115ifndef DESTDIR
1116prefix ?= $(HOME)
1117endif
1118bindir_relative = bin
1119bindir = $(abspath $(prefix)/$(bindir_relative))
1120includedir_relative = include
1121includedir = $(abspath $(prefix)/$(includedir_relative))
1122mandir = share/man
1123infodir = share/info
1124perfexecdir = libexec/perf-core
1125perf_include_dir = lib/perf/include
1126perf_examples_dir = lib/perf/examples
1127sharedir = $(prefix)/share
1128template_dir = share/perf-core/templates
1129STRACE_GROUPS_DIR = share/perf-core/strace/groups
1130htmldir = share/doc/perf-doc
1131tipdir = share/doc/perf-tip
1132srcdir = $(srctree)/tools/perf
1133ifeq ($(prefix),/usr)
1134sysconfdir = /etc
1135ETC_PERFCONFIG = $(sysconfdir)/perfconfig
1136else
1137sysconfdir = $(prefix)/etc
1138ETC_PERFCONFIG = etc/perfconfig
1139endif
1140ifndef lib
1141ifeq ($(SRCARCH)$(IS_64_BIT), x861)
1142lib = lib64
1143else
1144lib = lib
1145endif
1146endif # lib
1147libdir = $(prefix)/$(lib)
1148
1149# Shell quote (do not use $(call) to accommodate ancient setups);
1150ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
1151STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
1152DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
1153bindir_SQ = $(subst ','\'',$(bindir))
1154includedir_SQ = $(subst ','\'',$(includedir))
1155mandir_SQ = $(subst ','\'',$(mandir))
1156infodir_SQ = $(subst ','\'',$(infodir))
1157perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
1158perf_include_dir_SQ = $(subst ','\'',$(perf_include_dir))
1159perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir))
1160template_dir_SQ = $(subst ','\'',$(template_dir))
1161htmldir_SQ = $(subst ','\'',$(htmldir))
1162tipdir_SQ = $(subst ','\'',$(tipdir))
1163prefix_SQ = $(subst ','\'',$(prefix))
1164sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
1165libdir_SQ = $(subst ','\'',$(libdir))
1166srcdir_SQ = $(subst ','\'',$(srcdir))
1167
1168ifneq ($(filter /%,$(firstword $(perfexecdir))),)
1169perfexec_instdir = $(perfexecdir)
1170perf_include_instdir = $(perf_include_dir)
1171perf_examples_instdir = $(perf_examples_dir)
1172STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
1173tip_instdir = $(tipdir)
1174else
1175perfexec_instdir = $(prefix)/$(perfexecdir)
1176perf_include_instdir = $(prefix)/$(perf_include_dir)
1177perf_examples_instdir = $(prefix)/$(perf_examples_dir)
1178STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
1179tip_instdir = $(prefix)/$(tipdir)
1180endif
1181perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
1182perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir))
1183perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir))
1184STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
1185tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
1186
1187# If we install to $(HOME) we keep the traceevent default:
1188# $(HOME)/.traceevent/plugins
1189# Otherwise we install plugins into the global $(libdir).
1190ifdef DESTDIR
1191plugindir=$(libdir)/traceevent/plugins
1192plugindir_SQ= $(subst ','\'',$(plugindir))
1193endif
1194
1195print_var = $(eval $(print_var_code)) $(info $(MSG))
1196define print_var_code
1197 MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
1198endef
1199
1200ifeq ($(VF),1)
1201 # Display EXTRA features which are detected manualy
1202 # from here with feature_check call and thus cannot
1203 # be partof global state output.
1204 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),))
1205 $(call print_var,prefix)
1206 $(call print_var,bindir)
1207 $(call print_var,libdir)
1208 $(call print_var,sysconfdir)
1209 $(call print_var,LIBUNWIND_DIR)
1210 $(call print_var,LIBDW_DIR)
1211 $(call print_var,JDIR)
1212
1213 ifeq ($(dwarf-post-unwind),1)
1214 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
1215 endif
1216 $(info )
1217endif
1218
1219$(call detected_var,bindir_SQ)
1220$(call detected_var,PYTHON_WORD)
1221ifneq ($(OUTPUT),)
1222$(call detected_var,OUTPUT)
1223endif
1224$(call detected_var,htmldir_SQ)
1225$(call detected_var,infodir_SQ)
1226$(call detected_var,mandir_SQ)
1227$(call detected_var,ETC_PERFCONFIG_SQ)
1228$(call detected_var,STRACE_GROUPS_DIR_SQ)
1229$(call detected_var,prefix_SQ)
1230$(call detected_var,perfexecdir_SQ)
1231$(call detected_var,perf_include_dir_SQ)
1232$(call detected_var,perf_examples_dir_SQ)
1233$(call detected_var,tipdir_SQ)
1234$(call detected_var,srcdir_SQ)
1235$(call detected_var,LIBDIR)
1236$(call detected_var,GTK_CFLAGS)
1237$(call detected_var,PERL_EMBED_CCOPTS)
1238$(call detected_var,PYTHON_EMBED_CCOPTS)
1239ifneq ($(BISON_FILE_PREFIX_MAP),)
1240$(call detected_var,BISON_FILE_PREFIX_MAP)
1241endif
1242
1243# re-generate FEATURE-DUMP as we may have called feature_check, found out
1244# extra libraries to add to LDFLAGS of some other test and then redo those
1245# tests, see the block about libbfd, disassembler-four-args, for instance.
1246$(shell rm -f $(FEATURE_DUMP_FILENAME))
1247$(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME)))
1248
1249ifeq ($(feature_display),1)
1250 $(call feature_display_entries)
1251endif