Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1
2ifeq ($(src-perf),)
3src-perf := $(srctree)/tools/perf
4endif
5
6ifeq ($(obj-perf),)
7obj-perf := $(OUTPUT)
8endif
9
10ifneq ($(obj-perf),)
11obj-perf := $(abspath $(obj-perf))/
12endif
13
14$(shell printf "" > $(OUTPUT).config-detected)
15detected = $(shell echo "$(1)=y" >> $(OUTPUT).config-detected)
16detected_var = $(shell echo "$(1)=$($(1))" >> $(OUTPUT).config-detected)
17
18CFLAGS := $(EXTRA_CFLAGS) $(EXTRA_WARNINGS)
19
20include $(srctree)/tools/scripts/Makefile.arch
21
22$(call detected_var,SRCARCH)
23
24NO_PERF_REGS := 1
25NO_SYSCALL_TABLE := 1
26
27# Additional ARCH settings for ppc
28ifeq ($(SRCARCH),powerpc)
29 NO_PERF_REGS := 0
30 NO_SYSCALL_TABLE := 0
31 CFLAGS += -I$(OUTPUT)arch/powerpc/include/generated
32 LIBUNWIND_LIBS := -lunwind -lunwind-ppc64
33endif
34
35# Additional ARCH settings for x86
36ifeq ($(SRCARCH),x86)
37 $(call detected,CONFIG_X86)
38 ifeq (${IS_64_BIT}, 1)
39 NO_SYSCALL_TABLE := 0
40 CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT -I$(OUTPUT)arch/x86/include/generated
41 ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
42 LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind -llzma
43 $(call detected,CONFIG_X86_64)
44 else
45 LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind
46 endif
47 NO_PERF_REGS := 0
48endif
49
50ifeq ($(SRCARCH),arm)
51 NO_PERF_REGS := 0
52 LIBUNWIND_LIBS = -lunwind -lunwind-arm
53endif
54
55ifeq ($(SRCARCH),arm64)
56 NO_PERF_REGS := 0
57 NO_SYSCALL_TABLE := 0
58 CFLAGS += -I$(OUTPUT)arch/arm64/include/generated
59 LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
60endif
61
62ifeq ($(ARCH),s390)
63 NO_PERF_REGS := 0
64 NO_SYSCALL_TABLE := 0
65 CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated
66endif
67
68ifeq ($(NO_PERF_REGS),0)
69 $(call detected,CONFIG_PERF_REGS)
70endif
71
72ifneq ($(NO_SYSCALL_TABLE),1)
73 CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT
74endif
75
76# So far there's only x86 and arm libdw unwind support merged in perf.
77# Disable it on all other architectures in case libdw unwind
78# support is detected in system. Add supported architectures
79# to the check.
80ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390))
81 NO_LIBDW_DWARF_UNWIND := 1
82endif
83
84ifeq ($(LIBUNWIND_LIBS),)
85 NO_LIBUNWIND := 1
86endif
87#
88# For linking with debug library, run like:
89#
90# make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
91#
92
93libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
94define libunwind_arch_set_flags_code
95 FEATURE_CHECK_CFLAGS-libunwind-$(1) = -I$(LIBUNWIND_DIR)/include
96 FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
97endef
98
99ifdef LIBUNWIND_DIR
100 LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include
101 LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
102 LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64
103 $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
104endif
105
106# Set per-feature check compilation flags
107FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
108FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
109FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
110FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
111
112ifdef CSINCLUDES
113 LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)
114endif
115OPENCSDLIBS := -lopencsd_c_api -lopencsd
116ifdef CSLIBS
117 LIBOPENCSD_LDFLAGS := -L$(CSLIBS)
118endif
119FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS)
120FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS)
121
122ifeq ($(NO_PERF_REGS),0)
123 CFLAGS += -DHAVE_PERF_REGS_SUPPORT
124endif
125
126# for linking with debug library, run like:
127# make DEBUG=1 LIBDW_DIR=/opt/libdw/
128ifdef LIBDW_DIR
129 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include
130 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
131endif
132DWARFLIBS := -ldw
133ifeq ($(findstring -static,${LDFLAGS}),-static)
134 DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2
135endif
136FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
137FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS)
138
139# for linking with debug library, run like:
140# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
141ifdef LIBBABELTRACE_DIR
142 LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include
143 LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
144endif
145FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
146FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
147
148FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi
149# include ARCH specific config
150-include $(src-perf)/arch/$(SRCARCH)/Makefile
151
152ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
153 CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
154endif
155
156include $(srctree)/tools/scripts/utilities.mak
157
158ifeq ($(call get-executable,$(FLEX)),)
159 dummy := $(error Error: $(FLEX) is missing on this system, please install it)
160endif
161
162ifeq ($(call get-executable,$(BISON)),)
163 dummy := $(error Error: $(BISON) is missing on this system, please install it)
164endif
165
166# Treat warnings as errors unless directed not to
167ifneq ($(WERROR),0)
168 CFLAGS += -Werror
169 CXXFLAGS += -Werror
170endif
171
172ifndef DEBUG
173 DEBUG := 0
174endif
175
176ifeq ($(DEBUG),0)
177ifeq ($(CC_NO_CLANG), 0)
178 CFLAGS += -O3
179else
180 CFLAGS += -O6
181endif
182endif
183
184ifdef PARSER_DEBUG
185 PARSER_DEBUG_BISON := -t
186 PARSER_DEBUG_FLEX := -d
187 CFLAGS += -DPARSER_DEBUG
188 $(call detected_var,PARSER_DEBUG_BISON)
189 $(call detected_var,PARSER_DEBUG_FLEX)
190endif
191
192# Try different combinations to accommodate systems that only have
193# python[2][-config] in weird combinations but always preferring
194# python2 and python2-config as per pep-0394. If we catch a
195# python[-config] in version 3, the version check will kill it.
196PYTHON2 := $(if $(call get-executable,python2),python2,python)
197override PYTHON := $(call get-executable-or-default,PYTHON,$(PYTHON2))
198PYTHON2_CONFIG := \
199 $(if $(call get-executable,$(PYTHON)-config),$(PYTHON)-config,python-config)
200override PYTHON_CONFIG := \
201 $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON2_CONFIG))
202
203grep-libs = $(filter -l%,$(1))
204strip-libs = $(filter-out -l%,$(1))
205
206PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
207
208ifdef PYTHON_CONFIG
209 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
210 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
211 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
212 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null)
213 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
214endif
215
216FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
217FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
218FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
219FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
220
221CFLAGS += -fno-omit-frame-pointer
222CFLAGS += -ggdb3
223CFLAGS += -funwind-tables
224CFLAGS += -Wall
225CFLAGS += -Wextra
226CFLAGS += -std=gnu99
227
228CXXFLAGS += -std=gnu++11 -fno-exceptions -fno-rtti
229CXXFLAGS += -Wall
230CXXFLAGS += -fno-omit-frame-pointer
231CXXFLAGS += -ggdb3
232CXXFLAGS += -funwind-tables
233CXXFLAGS += -Wno-strict-aliasing
234
235# Enforce a non-executable stack, as we may regress (again) in the future by
236# adding assembler files missing the .GNU-stack linker note.
237LDFLAGS += -Wl,-z,noexecstack
238
239EXTLIBS = -lpthread -lrt -lm -ldl
240
241ifeq ($(FEATURES_DUMP),)
242include $(srctree)/tools/build/Makefile.feature
243else
244include $(FEATURES_DUMP)
245endif
246
247ifeq ($(feature-stackprotector-all), 1)
248 CFLAGS += -fstack-protector-all
249endif
250
251ifeq ($(DEBUG),0)
252 ifeq ($(feature-fortify-source), 1)
253 CFLAGS += -D_FORTIFY_SOURCE=2
254 endif
255endif
256
257INC_FLAGS += -I$(src-perf)/util/include
258INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
259INC_FLAGS += -I$(srctree)/tools/include/uapi
260INC_FLAGS += -I$(srctree)/tools/include/
261INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
262INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
263INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
264
265# $(obj-perf) for generated common-cmds.h
266# $(obj-perf)/util for generated bison/flex headers
267ifneq ($(OUTPUT),)
268INC_FLAGS += -I$(obj-perf)/util
269INC_FLAGS += -I$(obj-perf)
270endif
271
272INC_FLAGS += -I$(src-perf)/util
273INC_FLAGS += -I$(src-perf)
274INC_FLAGS += -I$(srctree)/tools/lib/
275
276CFLAGS += $(INC_FLAGS)
277CXXFLAGS += $(INC_FLAGS)
278
279CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
280
281ifeq ($(feature-sync-compare-and-swap), 1)
282 CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
283endif
284
285ifeq ($(feature-pthread-attr-setaffinity-np), 1)
286 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
287endif
288
289ifeq ($(feature-pthread-barrier), 1)
290 CFLAGS += -DHAVE_PTHREAD_BARRIER
291endif
292
293ifndef NO_BIONIC
294 $(call feature_check,bionic)
295 ifeq ($(feature-bionic), 1)
296 BIONIC := 1
297 CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE
298 CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE
299 EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
300 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
301 endif
302endif
303
304ifeq ($(feature-eventfd), 1)
305 CFLAGS += -DHAVE_EVENTFD
306endif
307
308ifeq ($(feature-get_current_dir_name), 1)
309 CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME
310endif
311
312ifdef NO_LIBELF
313 NO_DWARF := 1
314 NO_DEMANGLE := 1
315 NO_LIBUNWIND := 1
316 NO_LIBDW_DWARF_UNWIND := 1
317 NO_LIBBPF := 1
318 NO_JVMTI := 1
319else
320 ifeq ($(feature-libelf), 0)
321 ifeq ($(feature-glibc), 1)
322 LIBC_SUPPORT := 1
323 endif
324 ifeq ($(BIONIC),1)
325 LIBC_SUPPORT := 1
326 endif
327 ifeq ($(LIBC_SUPPORT),1)
328 msg := $(warning No libelf found. Disables 'probe' tool, jvmti and BPF support in 'perf record'. Please install libelf-dev, libelf-devel or elfutils-libelf-devel);
329
330 NO_LIBELF := 1
331 NO_DWARF := 1
332 NO_DEMANGLE := 1
333 NO_LIBUNWIND := 1
334 NO_LIBDW_DWARF_UNWIND := 1
335 NO_LIBBPF := 1
336 NO_JVMTI := 1
337 else
338 ifneq ($(filter s% -static%,$(LDFLAGS),),)
339 msg := $(error No static glibc found, please install glibc-static);
340 else
341 msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
342 endif
343 endif
344 else
345 ifndef NO_LIBDW_DWARF_UNWIND
346 ifneq ($(feature-libdw-dwarf-unwind),1)
347 NO_LIBDW_DWARF_UNWIND := 1
348 msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
349 endif
350 endif
351 ifneq ($(feature-dwarf), 1)
352 ifndef NO_DWARF
353 msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
354 NO_DWARF := 1
355 endif
356 else
357 ifneq ($(feature-dwarf_getlocations), 1)
358 msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
359 else
360 CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT
361 endif # dwarf_getlocations
362 endif # Dwarf support
363 endif # libelf support
364endif # NO_LIBELF
365
366ifeq ($(feature-glibc), 1)
367 CFLAGS += -DHAVE_GLIBC_SUPPORT
368endif
369
370ifeq ($(feature-libaio), 1)
371 ifndef NO_AIO
372 CFLAGS += -DHAVE_AIO_SUPPORT
373 endif
374endif
375
376ifdef NO_DWARF
377 NO_LIBDW_DWARF_UNWIND := 1
378endif
379
380ifeq ($(feature-sched_getcpu), 1)
381 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
382endif
383
384ifeq ($(feature-setns), 1)
385 CFLAGS += -DHAVE_SETNS_SUPPORT
386 $(call detected,CONFIG_SETNS)
387endif
388
389ifndef NO_CORESIGHT
390 ifeq ($(feature-libopencsd), 1)
391 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
392 LDFLAGS += $(LIBOPENCSD_LDFLAGS)
393 EXTLIBS += $(OPENCSDLIBS)
394 $(call detected,CONFIG_LIBOPENCSD)
395 ifdef CSTRACE_RAW
396 CFLAGS += -DCS_DEBUG_RAW
397 ifeq (${CSTRACE_RAW}, packed)
398 CFLAGS += -DCS_RAW_PACKED
399 endif
400 endif
401 endif
402endif
403
404ifndef NO_LIBELF
405 CFLAGS += -DHAVE_LIBELF_SUPPORT
406 EXTLIBS += -lelf
407 $(call detected,CONFIG_LIBELF)
408
409 ifeq ($(feature-libelf-mmap), 1)
410 CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
411 endif
412
413 ifeq ($(feature-libelf-getphdrnum), 1)
414 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
415 endif
416
417 ifeq ($(feature-libelf-gelf_getnote), 1)
418 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
419 else
420 msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
421 endif
422
423 ifeq ($(feature-libelf-getshdrstrndx), 1)
424 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
425 endif
426
427 ifndef NO_DWARF
428 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
429 msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
430 NO_DWARF := 1
431 else
432 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
433 LDFLAGS += $(LIBDW_LDFLAGS)
434 EXTLIBS += ${DWARFLIBS}
435 $(call detected,CONFIG_DWARF)
436 endif # PERF_HAVE_DWARF_REGS
437 endif # NO_DWARF
438
439 ifndef NO_LIBBPF
440 ifeq ($(feature-bpf), 1)
441 CFLAGS += -DHAVE_LIBBPF_SUPPORT
442 $(call detected,CONFIG_LIBBPF)
443 endif
444
445 ifndef NO_DWARF
446 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
447 CFLAGS += -DHAVE_BPF_PROLOGUE
448 $(call detected,CONFIG_BPF_PROLOGUE)
449 else
450 msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset());
451 endif
452 else
453 msg := $(warning DWARF support is off, BPF prologue is disabled);
454 endif
455
456 endif # NO_LIBBPF
457endif # NO_LIBELF
458
459ifndef NO_SDT
460 ifneq ($(feature-sdt), 1)
461 msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
462 NO_SDT := 1;
463 else
464 CFLAGS += -DHAVE_SDT_EVENT
465 $(call detected,CONFIG_SDT_EVENT)
466 endif
467endif
468
469ifdef PERF_HAVE_JITDUMP
470 ifndef NO_LIBELF
471 $(call detected,CONFIG_JITDUMP)
472 CFLAGS += -DHAVE_JITDUMP
473 endif
474endif
475
476ifeq ($(SRCARCH),powerpc)
477 ifndef NO_DWARF
478 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
479 endif
480endif
481
482ifndef NO_LIBUNWIND
483 have_libunwind :=
484
485 ifeq ($(feature-libunwind-x86), 1)
486 $(call detected,CONFIG_LIBUNWIND_X86)
487 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
488 LDFLAGS += -lunwind-x86
489 EXTLIBS_LIBUNWIND += -lunwind-x86
490 have_libunwind = 1
491 endif
492
493 ifeq ($(feature-libunwind-aarch64), 1)
494 $(call detected,CONFIG_LIBUNWIND_AARCH64)
495 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
496 LDFLAGS += -lunwind-aarch64
497 EXTLIBS_LIBUNWIND += -lunwind-aarch64
498 have_libunwind = 1
499 $(call feature_check,libunwind-debug-frame-aarch64)
500 ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
501 msg := $(warning No debug_frame support found in libunwind-aarch64);
502 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
503 endif
504 endif
505
506 ifneq ($(feature-libunwind), 1)
507 msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
508 NO_LOCAL_LIBUNWIND := 1
509 else
510 have_libunwind := 1
511 $(call detected,CONFIG_LOCAL_LIBUNWIND)
512 endif
513
514 ifneq ($(have_libunwind), 1)
515 NO_LIBUNWIND := 1
516 endif
517else
518 NO_LOCAL_LIBUNWIND := 1
519endif
520
521ifndef NO_LIBBPF
522 ifneq ($(feature-bpf), 1)
523 msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
524 NO_LIBBPF := 1
525 endif
526endif
527
528dwarf-post-unwind := 1
529dwarf-post-unwind-text := BUG
530
531# setup DWARF post unwinder
532ifdef NO_LIBUNWIND
533 ifdef NO_LIBDW_DWARF_UNWIND
534 msg := $(warning Disabling post unwind, no support found.);
535 dwarf-post-unwind := 0
536 else
537 dwarf-post-unwind-text := libdw
538 $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
539 endif
540else
541 dwarf-post-unwind-text := libunwind
542 $(call detected,CONFIG_LIBUNWIND)
543 # Enable libunwind support by default.
544 ifndef NO_LIBDW_DWARF_UNWIND
545 NO_LIBDW_DWARF_UNWIND := 1
546 endif
547endif
548
549ifeq ($(dwarf-post-unwind),1)
550 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
551 $(call detected,CONFIG_DWARF_UNWIND)
552else
553 NO_DWARF_UNWIND := 1
554endif
555
556ifndef NO_LOCAL_LIBUNWIND
557 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
558 $(call feature_check,libunwind-debug-frame)
559 ifneq ($(feature-libunwind-debug-frame), 1)
560 msg := $(warning No debug_frame support found in libunwind);
561 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
562 endif
563 else
564 # non-ARM has no dwarf_find_debug_frame() function:
565 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
566 endif
567 EXTLIBS += $(LIBUNWIND_LIBS)
568 LDFLAGS += $(LIBUNWIND_LIBS)
569endif
570ifeq ($(findstring -static,${LDFLAGS}),-static)
571 # gcc -static links libgcc_eh which contans piece of libunwind
572 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
573endif
574
575ifndef NO_LIBUNWIND
576 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
577 CFLAGS += $(LIBUNWIND_CFLAGS)
578 LDFLAGS += $(LIBUNWIND_LDFLAGS)
579 EXTLIBS += $(EXTLIBS_LIBUNWIND)
580endif
581
582ifeq ($(NO_SYSCALL_TABLE),0)
583 $(call detected,CONFIG_TRACE)
584else
585 ifndef NO_LIBAUDIT
586 ifneq ($(feature-libaudit), 1)
587 msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
588 NO_LIBAUDIT := 1
589 else
590 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
591 EXTLIBS += -laudit
592 $(call detected,CONFIG_TRACE)
593 endif
594 endif
595endif
596
597ifndef NO_LIBCRYPTO
598 ifneq ($(feature-libcrypto), 1)
599 msg := $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev);
600 NO_LIBCRYPTO := 1
601 else
602 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
603 EXTLIBS += -lcrypto
604 $(call detected,CONFIG_CRYPTO)
605 endif
606endif
607
608ifdef NO_NEWT
609 NO_SLANG=1
610endif
611
612ifndef NO_SLANG
613 ifneq ($(feature-libslang), 1)
614 msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
615 NO_SLANG := 1
616 else
617 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
618 CFLAGS += -I/usr/include/slang
619 CFLAGS += -DHAVE_SLANG_SUPPORT
620 EXTLIBS += -lslang
621 $(call detected,CONFIG_SLANG)
622 endif
623endif
624
625ifndef NO_GTK2
626 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
627 ifneq ($(feature-gtk2), 1)
628 msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
629 NO_GTK2 := 1
630 else
631 ifeq ($(feature-gtk2-infobar), 1)
632 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
633 endif
634 CFLAGS += -DHAVE_GTK2_SUPPORT
635 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
636 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
637 EXTLIBS += -ldl
638 endif
639endif
640
641ifdef NO_LIBPERL
642 CFLAGS += -DNO_LIBPERL
643else
644 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
645 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
646 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
647 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
648 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
649 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
650 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
651
652 ifneq ($(feature-libperl), 1)
653 CFLAGS += -DNO_LIBPERL
654 NO_LIBPERL := 1
655 msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
656 else
657 LDFLAGS += $(PERL_EMBED_LDFLAGS)
658 EXTLIBS += $(PERL_EMBED_LIBADD)
659 CFLAGS += -DHAVE_LIBPERL_SUPPORT
660 $(call detected,CONFIG_LIBPERL)
661 endif
662endif
663
664ifeq ($(feature-timerfd), 1)
665 CFLAGS += -DHAVE_TIMERFD_SUPPORT
666else
667 msg := $(warning No timerfd support. Disables 'perf kvm stat live');
668endif
669
670disable-python = $(eval $(disable-python_code))
671define disable-python_code
672 CFLAGS += -DNO_LIBPYTHON
673 $(warning $1)
674 NO_LIBPYTHON := 1
675endef
676
677ifdef NO_LIBPYTHON
678 $(call disable-python,Python support disabled by user)
679else
680
681 ifndef PYTHON
682 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
683 else
684 PYTHON_WORD := $(call shell-wordify,$(PYTHON))
685
686 ifndef PYTHON_CONFIG
687 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
688 else
689
690 ifneq ($(feature-libpython), 1)
691 $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
692 else
693 LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
694 EXTLIBS += $(PYTHON_EMBED_LIBADD)
695 LANG_BINDINGS += $(obj-perf)python/perf.so
696 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
697 $(call detected,CONFIG_LIBPYTHON)
698 endif
699 endif
700 endif
701endif
702
703ifeq ($(feature-libbfd), 1)
704 EXTLIBS += -lbfd
705else
706 # we are on a system that requires -liberty and (maybe) -lz
707 # to link against -lbfd; test each case individually here
708
709 # call all detections now so we get correct
710 # status in VF output
711 $(call feature_check,libbfd-liberty)
712 $(call feature_check,libbfd-liberty-z)
713
714 ifeq ($(feature-libbfd-liberty), 1)
715 EXTLIBS += -lbfd -liberty
716 else
717 ifeq ($(feature-libbfd-liberty-z), 1)
718 EXTLIBS += -lbfd -liberty -lz
719 endif
720 endif
721endif
722
723ifdef NO_DEMANGLE
724 CFLAGS += -DNO_DEMANGLE
725else
726 ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
727 EXTLIBS += -liberty
728 else
729 ifeq ($(filter -liberty,$(EXTLIBS)),)
730 $(call feature_check,cplus-demangle)
731
732 # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
733 # or any of 'bfd iberty z' trinity
734 ifeq ($(feature-cplus-demangle), 1)
735 EXTLIBS += -liberty
736 else
737 msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
738 CFLAGS += -DNO_DEMANGLE
739 endif
740 endif
741 endif
742
743 ifneq ($(filter -liberty,$(EXTLIBS)),)
744 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
745 endif
746endif
747
748ifneq ($(filter -lbfd,$(EXTLIBS)),)
749 CFLAGS += -DHAVE_LIBBFD_SUPPORT
750endif
751
752ifndef NO_ZLIB
753 ifeq ($(feature-zlib), 1)
754 CFLAGS += -DHAVE_ZLIB_SUPPORT
755 EXTLIBS += -lz
756 $(call detected,CONFIG_ZLIB)
757 else
758 NO_ZLIB := 1
759 endif
760endif
761
762ifndef NO_LZMA
763 ifeq ($(feature-lzma), 1)
764 CFLAGS += -DHAVE_LZMA_SUPPORT
765 EXTLIBS += -llzma
766 $(call detected,CONFIG_LZMA)
767 else
768 msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
769 NO_LZMA := 1
770 endif
771endif
772
773ifndef NO_BACKTRACE
774 ifeq ($(feature-backtrace), 1)
775 CFLAGS += -DHAVE_BACKTRACE_SUPPORT
776 endif
777endif
778
779ifndef NO_LIBNUMA
780 ifeq ($(feature-libnuma), 0)
781 msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
782 NO_LIBNUMA := 1
783 else
784 ifeq ($(feature-numa_num_possible_cpus), 0)
785 msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
786 NO_LIBNUMA := 1
787 else
788 CFLAGS += -DHAVE_LIBNUMA_SUPPORT
789 EXTLIBS += -lnuma
790 $(call detected,CONFIG_NUMA)
791 endif
792 endif
793endif
794
795ifdef HAVE_KVM_STAT_SUPPORT
796 CFLAGS += -DHAVE_KVM_STAT_SUPPORT
797endif
798
799ifeq (${IS_64_BIT}, 1)
800 ifndef NO_PERF_READ_VDSO32
801 $(call feature_check,compile-32)
802 ifeq ($(feature-compile-32), 1)
803 CFLAGS += -DHAVE_PERF_READ_VDSO32
804 else
805 NO_PERF_READ_VDSO32 := 1
806 endif
807 endif
808 ifneq ($(SRCARCH), x86)
809 NO_PERF_READ_VDSOX32 := 1
810 endif
811 ifndef NO_PERF_READ_VDSOX32
812 $(call feature_check,compile-x32)
813 ifeq ($(feature-compile-x32), 1)
814 CFLAGS += -DHAVE_PERF_READ_VDSOX32
815 else
816 NO_PERF_READ_VDSOX32 := 1
817 endif
818 endif
819else
820 NO_PERF_READ_VDSO32 := 1
821 NO_PERF_READ_VDSOX32 := 1
822endif
823
824ifndef NO_LIBBABELTRACE
825 $(call feature_check,libbabeltrace)
826 ifeq ($(feature-libbabeltrace), 1)
827 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
828 LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
829 EXTLIBS += -lbabeltrace-ctf
830 $(call detected,CONFIG_LIBBABELTRACE)
831 else
832 msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
833 endif
834endif
835
836ifndef NO_AUXTRACE
837 ifeq ($(SRCARCH),x86)
838 ifeq ($(feature-get_cpuid), 0)
839 msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
840 NO_AUXTRACE := 1
841 endif
842 endif
843 ifndef NO_AUXTRACE
844 $(call detected,CONFIG_AUXTRACE)
845 CFLAGS += -DHAVE_AUXTRACE_SUPPORT
846 endif
847endif
848
849ifndef NO_JVMTI
850 ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
851 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
852 else
853 ifneq (,$(wildcard /usr/sbin/alternatives))
854 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed 's%/jre/bin/java.%%g')
855 endif
856 endif
857 ifndef JDIR
858 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
859 NO_JVMTI := 1
860 endif
861endif
862
863ifndef NO_JVMTI
864 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
865 $(call feature_check,jvmti)
866 ifeq ($(feature-jvmti), 1)
867 $(call detected_var,JDIR)
868 ifndef NO_JVMTI_CMLR
869 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti)
870 $(call feature_check,jvmti-cmlr)
871 ifeq ($(feature-jvmti-cmlr), 1)
872 CFLAGS += -DHAVE_JVMTI_CMLR
873 endif
874 endif # NO_JVMTI_CMLR
875 else
876 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel)
877 NO_JVMTI := 1
878 endif
879endif
880
881USE_CXX = 0
882USE_CLANGLLVM = 0
883ifdef LIBCLANGLLVM
884 $(call feature_check,cxx)
885 ifneq ($(feature-cxx), 1)
886 msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
887 else
888 $(call feature_check,llvm)
889 $(call feature_check,llvm-version)
890 ifneq ($(feature-llvm), 1)
891 msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
892 else
893 $(call feature_check,clang)
894 ifneq ($(feature-clang), 1)
895 msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
896 else
897 CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
898 CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
899 $(call detected,CONFIG_CXX)
900 $(call detected,CONFIG_CLANGLLVM)
901 USE_CXX = 1
902 USE_LLVM = 1
903 USE_CLANG = 1
904 ifneq ($(feature-llvm-version),1)
905 msg := $(warning This version of LLVM is not tested. May cause build errors)
906 endif
907 endif
908 endif
909 endif
910endif
911
912# Among the variables below, these:
913# perfexecdir
914# perf_include_dir
915# perf_examples_dir
916# template_dir
917# mandir
918# infodir
919# htmldir
920# ETC_PERFCONFIG (but not sysconfdir)
921# can be specified as a relative path some/where/else;
922# this is interpreted as relative to $(prefix) and "perf" at
923# runtime figures out where they are based on the path to the executable.
924# This can help installing the suite in a relocatable way.
925
926# Make the path relative to DESTDIR, not to prefix
927ifndef DESTDIR
928prefix ?= $(HOME)
929endif
930bindir_relative = bin
931bindir = $(abspath $(prefix)/$(bindir_relative))
932mandir = share/man
933infodir = share/info
934perfexecdir = libexec/perf-core
935perf_include_dir = lib/perf/include
936perf_examples_dir = lib/perf/examples
937sharedir = $(prefix)/share
938template_dir = share/perf-core/templates
939STRACE_GROUPS_DIR = share/perf-core/strace/groups
940htmldir = share/doc/perf-doc
941tipdir = share/doc/perf-tip
942srcdir = $(srctree)/tools/perf
943ifeq ($(prefix),/usr)
944sysconfdir = /etc
945ETC_PERFCONFIG = $(sysconfdir)/perfconfig
946else
947sysconfdir = $(prefix)/etc
948ETC_PERFCONFIG = etc/perfconfig
949endif
950ifndef lib
951ifeq ($(SRCARCH)$(IS_64_BIT), x861)
952lib = lib64
953else
954lib = lib
955endif
956endif # lib
957libdir = $(prefix)/$(lib)
958
959# Shell quote (do not use $(call) to accommodate ancient setups);
960ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
961STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
962DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
963bindir_SQ = $(subst ','\'',$(bindir))
964mandir_SQ = $(subst ','\'',$(mandir))
965infodir_SQ = $(subst ','\'',$(infodir))
966perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
967perf_include_dir_SQ = $(subst ','\'',$(perf_include_dir))
968perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir))
969template_dir_SQ = $(subst ','\'',$(template_dir))
970htmldir_SQ = $(subst ','\'',$(htmldir))
971tipdir_SQ = $(subst ','\'',$(tipdir))
972prefix_SQ = $(subst ','\'',$(prefix))
973sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
974libdir_SQ = $(subst ','\'',$(libdir))
975srcdir_SQ = $(subst ','\'',$(srcdir))
976
977ifneq ($(filter /%,$(firstword $(perfexecdir))),)
978perfexec_instdir = $(perfexecdir)
979perf_include_instdir = $(perf_include_dir)
980perf_examples_instdir = $(perf_examples_dir)
981STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
982tip_instdir = $(tipdir)
983else
984perfexec_instdir = $(prefix)/$(perfexecdir)
985perf_include_instdir = $(prefix)/$(perf_include_dir)
986perf_examples_instdir = $(prefix)/$(perf_examples_dir)
987STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
988tip_instdir = $(prefix)/$(tipdir)
989endif
990perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
991perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir))
992perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir))
993STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
994tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
995
996# If we install to $(HOME) we keep the traceevent default:
997# $(HOME)/.traceevent/plugins
998# Otherwise we install plugins into the global $(libdir).
999ifdef DESTDIR
1000plugindir=$(libdir)/traceevent/plugins
1001plugindir_SQ= $(subst ','\'',$(plugindir))
1002endif
1003
1004print_var = $(eval $(print_var_code)) $(info $(MSG))
1005define print_var_code
1006 MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
1007endef
1008
1009ifeq ($(VF),1)
1010 # Display EXTRA features which are detected manualy
1011 # from here with feature_check call and thus cannot
1012 # be partof global state output.
1013 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),))
1014 $(call print_var,prefix)
1015 $(call print_var,bindir)
1016 $(call print_var,libdir)
1017 $(call print_var,sysconfdir)
1018 $(call print_var,LIBUNWIND_DIR)
1019 $(call print_var,LIBDW_DIR)
1020 $(call print_var,JDIR)
1021
1022 ifeq ($(dwarf-post-unwind),1)
1023 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
1024 endif
1025 $(info )
1026endif
1027
1028$(call detected_var,bindir_SQ)
1029$(call detected_var,PYTHON_WORD)
1030ifneq ($(OUTPUT),)
1031$(call detected_var,OUTPUT)
1032endif
1033$(call detected_var,htmldir_SQ)
1034$(call detected_var,infodir_SQ)
1035$(call detected_var,mandir_SQ)
1036$(call detected_var,ETC_PERFCONFIG_SQ)
1037$(call detected_var,STRACE_GROUPS_DIR_SQ)
1038$(call detected_var,prefix_SQ)
1039$(call detected_var,perfexecdir_SQ)
1040$(call detected_var,perf_include_dir_SQ)
1041$(call detected_var,perf_examples_dir_SQ)
1042$(call detected_var,tipdir_SQ)
1043$(call detected_var,srcdir_SQ)
1044$(call detected_var,LIBDIR)
1045$(call detected_var,GTK_CFLAGS)
1046$(call detected_var,PERL_EMBED_CCOPTS)
1047$(call detected_var,PYTHON_EMBED_CCOPTS)