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