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 EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
298 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
299 endif
300endif
301
302ifdef NO_LIBELF
303 NO_DWARF := 1
304 NO_DEMANGLE := 1
305 NO_LIBUNWIND := 1
306 NO_LIBDW_DWARF_UNWIND := 1
307 NO_LIBBPF := 1
308 NO_JVMTI := 1
309else
310 ifeq ($(feature-libelf), 0)
311 ifeq ($(feature-glibc), 1)
312 LIBC_SUPPORT := 1
313 endif
314 ifeq ($(BIONIC),1)
315 LIBC_SUPPORT := 1
316 endif
317 ifeq ($(LIBC_SUPPORT),1)
318 msg := $(warning No libelf found. Disables 'probe' tool, jvmti and BPF support in 'perf record'. Please install libelf-dev, libelf-devel or elfutils-libelf-devel);
319
320 NO_LIBELF := 1
321 NO_DWARF := 1
322 NO_DEMANGLE := 1
323 NO_LIBUNWIND := 1
324 NO_LIBDW_DWARF_UNWIND := 1
325 NO_LIBBPF := 1
326 NO_JVMTI := 1
327 else
328 ifneq ($(filter s% -static%,$(LDFLAGS),),)
329 msg := $(error No static glibc found, please install glibc-static);
330 else
331 msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
332 endif
333 endif
334 else
335 ifndef NO_LIBDW_DWARF_UNWIND
336 ifneq ($(feature-libdw-dwarf-unwind),1)
337 NO_LIBDW_DWARF_UNWIND := 1
338 msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
339 endif
340 endif
341 ifneq ($(feature-dwarf), 1)
342 ifndef NO_DWARF
343 msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
344 NO_DWARF := 1
345 endif
346 else
347 ifneq ($(feature-dwarf_getlocations), 1)
348 msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
349 else
350 CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT
351 endif # dwarf_getlocations
352 endif # Dwarf support
353 endif # libelf support
354endif # NO_LIBELF
355
356ifeq ($(feature-glibc), 1)
357 CFLAGS += -DHAVE_GLIBC_SUPPORT
358endif
359
360ifdef NO_DWARF
361 NO_LIBDW_DWARF_UNWIND := 1
362endif
363
364ifeq ($(feature-sched_getcpu), 1)
365 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
366endif
367
368ifeq ($(feature-setns), 1)
369 CFLAGS += -DHAVE_SETNS_SUPPORT
370 $(call detected,CONFIG_SETNS)
371endif
372
373ifndef NO_CORESIGHT
374 ifeq ($(feature-libopencsd), 1)
375 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
376 LDFLAGS += $(LIBOPENCSD_LDFLAGS)
377 EXTLIBS += $(OPENCSDLIBS)
378 $(call detected,CONFIG_LIBOPENCSD)
379 ifdef CSTRACE_RAW
380 CFLAGS += -DCS_DEBUG_RAW
381 ifeq (${CSTRACE_RAW}, packed)
382 CFLAGS += -DCS_RAW_PACKED
383 endif
384 endif
385 endif
386endif
387
388ifndef NO_LIBELF
389 CFLAGS += -DHAVE_LIBELF_SUPPORT
390 EXTLIBS += -lelf
391 $(call detected,CONFIG_LIBELF)
392
393 ifeq ($(feature-libelf-mmap), 1)
394 CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
395 endif
396
397 ifeq ($(feature-libelf-getphdrnum), 1)
398 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
399 endif
400
401 ifeq ($(feature-libelf-gelf_getnote), 1)
402 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
403 else
404 msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
405 endif
406
407 ifeq ($(feature-libelf-getshdrstrndx), 1)
408 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
409 endif
410
411 ifndef NO_DWARF
412 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
413 msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
414 NO_DWARF := 1
415 else
416 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
417 LDFLAGS += $(LIBDW_LDFLAGS)
418 EXTLIBS += ${DWARFLIBS}
419 $(call detected,CONFIG_DWARF)
420 endif # PERF_HAVE_DWARF_REGS
421 endif # NO_DWARF
422
423 ifndef NO_LIBBPF
424 ifeq ($(feature-bpf), 1)
425 CFLAGS += -DHAVE_LIBBPF_SUPPORT
426 $(call detected,CONFIG_LIBBPF)
427 endif
428
429 ifndef NO_DWARF
430 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
431 CFLAGS += -DHAVE_BPF_PROLOGUE
432 $(call detected,CONFIG_BPF_PROLOGUE)
433 else
434 msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset());
435 endif
436 else
437 msg := $(warning DWARF support is off, BPF prologue is disabled);
438 endif
439
440 endif # NO_LIBBPF
441endif # NO_LIBELF
442
443ifndef NO_SDT
444 ifneq ($(feature-sdt), 1)
445 msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
446 NO_SDT := 1;
447 else
448 CFLAGS += -DHAVE_SDT_EVENT
449 $(call detected,CONFIG_SDT_EVENT)
450 endif
451endif
452
453ifdef PERF_HAVE_JITDUMP
454 ifndef NO_LIBELF
455 $(call detected,CONFIG_JITDUMP)
456 CFLAGS += -DHAVE_JITDUMP
457 endif
458endif
459
460ifeq ($(SRCARCH),powerpc)
461 ifndef NO_DWARF
462 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
463 endif
464endif
465
466ifndef NO_LIBUNWIND
467 have_libunwind :=
468
469 ifeq ($(feature-libunwind-x86), 1)
470 $(call detected,CONFIG_LIBUNWIND_X86)
471 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
472 LDFLAGS += -lunwind-x86
473 EXTLIBS_LIBUNWIND += -lunwind-x86
474 have_libunwind = 1
475 endif
476
477 ifeq ($(feature-libunwind-aarch64), 1)
478 $(call detected,CONFIG_LIBUNWIND_AARCH64)
479 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
480 LDFLAGS += -lunwind-aarch64
481 EXTLIBS_LIBUNWIND += -lunwind-aarch64
482 have_libunwind = 1
483 $(call feature_check,libunwind-debug-frame-aarch64)
484 ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
485 msg := $(warning No debug_frame support found in libunwind-aarch64);
486 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
487 endif
488 endif
489
490 ifneq ($(feature-libunwind), 1)
491 msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
492 NO_LOCAL_LIBUNWIND := 1
493 else
494 have_libunwind := 1
495 $(call detected,CONFIG_LOCAL_LIBUNWIND)
496 endif
497
498 ifneq ($(have_libunwind), 1)
499 NO_LIBUNWIND := 1
500 endif
501else
502 NO_LOCAL_LIBUNWIND := 1
503endif
504
505ifndef NO_LIBBPF
506 ifneq ($(feature-bpf), 1)
507 msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
508 NO_LIBBPF := 1
509 endif
510endif
511
512dwarf-post-unwind := 1
513dwarf-post-unwind-text := BUG
514
515# setup DWARF post unwinder
516ifdef NO_LIBUNWIND
517 ifdef NO_LIBDW_DWARF_UNWIND
518 msg := $(warning Disabling post unwind, no support found.);
519 dwarf-post-unwind := 0
520 else
521 dwarf-post-unwind-text := libdw
522 $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
523 endif
524else
525 dwarf-post-unwind-text := libunwind
526 $(call detected,CONFIG_LIBUNWIND)
527 # Enable libunwind support by default.
528 ifndef NO_LIBDW_DWARF_UNWIND
529 NO_LIBDW_DWARF_UNWIND := 1
530 endif
531endif
532
533ifeq ($(dwarf-post-unwind),1)
534 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
535 $(call detected,CONFIG_DWARF_UNWIND)
536else
537 NO_DWARF_UNWIND := 1
538endif
539
540ifndef NO_LOCAL_LIBUNWIND
541 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
542 $(call feature_check,libunwind-debug-frame)
543 ifneq ($(feature-libunwind-debug-frame), 1)
544 msg := $(warning No debug_frame support found in libunwind);
545 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
546 endif
547 else
548 # non-ARM has no dwarf_find_debug_frame() function:
549 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
550 endif
551 EXTLIBS += $(LIBUNWIND_LIBS)
552 LDFLAGS += $(LIBUNWIND_LIBS)
553endif
554ifeq ($(findstring -static,${LDFLAGS}),-static)
555 # gcc -static links libgcc_eh which contans piece of libunwind
556 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
557endif
558
559ifndef NO_LIBUNWIND
560 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
561 CFLAGS += $(LIBUNWIND_CFLAGS)
562 LDFLAGS += $(LIBUNWIND_LDFLAGS)
563 EXTLIBS += $(EXTLIBS_LIBUNWIND)
564endif
565
566ifeq ($(NO_SYSCALL_TABLE),0)
567 $(call detected,CONFIG_TRACE)
568else
569 ifndef NO_LIBAUDIT
570 ifneq ($(feature-libaudit), 1)
571 msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
572 NO_LIBAUDIT := 1
573 else
574 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
575 EXTLIBS += -laudit
576 $(call detected,CONFIG_TRACE)
577 endif
578 endif
579endif
580
581ifndef NO_LIBCRYPTO
582 ifneq ($(feature-libcrypto), 1)
583 msg := $(warning No libcrypto.h found, disables jitted code injection, please install libssl-devel or libssl-dev);
584 NO_LIBCRYPTO := 1
585 else
586 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
587 EXTLIBS += -lcrypto
588 $(call detected,CONFIG_CRYPTO)
589 endif
590endif
591
592ifdef NO_NEWT
593 NO_SLANG=1
594endif
595
596ifndef NO_SLANG
597 ifneq ($(feature-libslang), 1)
598 msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
599 NO_SLANG := 1
600 else
601 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
602 CFLAGS += -I/usr/include/slang
603 CFLAGS += -DHAVE_SLANG_SUPPORT
604 EXTLIBS += -lslang
605 $(call detected,CONFIG_SLANG)
606 endif
607endif
608
609ifndef NO_GTK2
610 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
611 ifneq ($(feature-gtk2), 1)
612 msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
613 NO_GTK2 := 1
614 else
615 ifeq ($(feature-gtk2-infobar), 1)
616 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
617 endif
618 CFLAGS += -DHAVE_GTK2_SUPPORT
619 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
620 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
621 EXTLIBS += -ldl
622 endif
623endif
624
625ifdef NO_LIBPERL
626 CFLAGS += -DNO_LIBPERL
627else
628 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
629 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
630 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
631 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
632 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
633 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
634 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
635
636 ifneq ($(feature-libperl), 1)
637 CFLAGS += -DNO_LIBPERL
638 NO_LIBPERL := 1
639 msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
640 else
641 LDFLAGS += $(PERL_EMBED_LDFLAGS)
642 EXTLIBS += $(PERL_EMBED_LIBADD)
643 CFLAGS += -DHAVE_LIBPERL_SUPPORT
644 $(call detected,CONFIG_LIBPERL)
645 endif
646endif
647
648ifeq ($(feature-timerfd), 1)
649 CFLAGS += -DHAVE_TIMERFD_SUPPORT
650else
651 msg := $(warning No timerfd support. Disables 'perf kvm stat live');
652endif
653
654disable-python = $(eval $(disable-python_code))
655define disable-python_code
656 CFLAGS += -DNO_LIBPYTHON
657 $(warning $1)
658 NO_LIBPYTHON := 1
659endef
660
661ifdef NO_LIBPYTHON
662 $(call disable-python,Python support disabled by user)
663else
664
665 ifndef PYTHON
666 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
667 else
668 PYTHON_WORD := $(call shell-wordify,$(PYTHON))
669
670 ifndef PYTHON_CONFIG
671 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
672 else
673
674 ifneq ($(feature-libpython), 1)
675 $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
676 else
677 LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
678 EXTLIBS += $(PYTHON_EMBED_LIBADD)
679 LANG_BINDINGS += $(obj-perf)python/perf.so
680 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
681 $(call detected,CONFIG_LIBPYTHON)
682 endif
683 endif
684 endif
685endif
686
687ifeq ($(feature-libbfd), 1)
688 EXTLIBS += -lbfd
689
690 # call all detections now so we get correct
691 # status in VF output
692 $(call feature_check,liberty)
693 $(call feature_check,liberty-z)
694 $(call feature_check,cplus-demangle)
695
696 ifeq ($(feature-liberty), 1)
697 EXTLIBS += -liberty
698 else
699 ifeq ($(feature-liberty-z), 1)
700 EXTLIBS += -liberty -lz
701 endif
702 endif
703endif
704
705ifdef NO_DEMANGLE
706 CFLAGS += -DNO_DEMANGLE
707else
708 ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
709 EXTLIBS += -liberty
710 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
711 else
712 ifneq ($(feature-libbfd), 1)
713 ifneq ($(feature-liberty), 1)
714 ifneq ($(feature-liberty-z), 1)
715 # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
716 # or any of 'bfd iberty z' trinity
717 ifeq ($(feature-cplus-demangle), 1)
718 EXTLIBS += -liberty
719 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
720 else
721 msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
722 CFLAGS += -DNO_DEMANGLE
723 endif
724 endif
725 endif
726 endif
727 endif
728endif
729
730ifneq ($(filter -lbfd,$(EXTLIBS)),)
731 CFLAGS += -DHAVE_LIBBFD_SUPPORT
732endif
733
734ifndef NO_ZLIB
735 ifeq ($(feature-zlib), 1)
736 CFLAGS += -DHAVE_ZLIB_SUPPORT
737 EXTLIBS += -lz
738 $(call detected,CONFIG_ZLIB)
739 else
740 NO_ZLIB := 1
741 endif
742endif
743
744ifndef NO_LZMA
745 ifeq ($(feature-lzma), 1)
746 CFLAGS += -DHAVE_LZMA_SUPPORT
747 EXTLIBS += -llzma
748 $(call detected,CONFIG_LZMA)
749 else
750 msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
751 NO_LZMA := 1
752 endif
753endif
754
755ifndef NO_BACKTRACE
756 ifeq ($(feature-backtrace), 1)
757 CFLAGS += -DHAVE_BACKTRACE_SUPPORT
758 endif
759endif
760
761ifndef NO_LIBNUMA
762 ifeq ($(feature-libnuma), 0)
763 msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
764 NO_LIBNUMA := 1
765 else
766 ifeq ($(feature-numa_num_possible_cpus), 0)
767 msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
768 NO_LIBNUMA := 1
769 else
770 CFLAGS += -DHAVE_LIBNUMA_SUPPORT
771 EXTLIBS += -lnuma
772 $(call detected,CONFIG_NUMA)
773 endif
774 endif
775endif
776
777ifdef HAVE_KVM_STAT_SUPPORT
778 CFLAGS += -DHAVE_KVM_STAT_SUPPORT
779endif
780
781ifeq (${IS_64_BIT}, 1)
782 ifndef NO_PERF_READ_VDSO32
783 $(call feature_check,compile-32)
784 ifeq ($(feature-compile-32), 1)
785 CFLAGS += -DHAVE_PERF_READ_VDSO32
786 else
787 NO_PERF_READ_VDSO32 := 1
788 endif
789 endif
790 ifneq ($(SRCARCH), x86)
791 NO_PERF_READ_VDSOX32 := 1
792 endif
793 ifndef NO_PERF_READ_VDSOX32
794 $(call feature_check,compile-x32)
795 ifeq ($(feature-compile-x32), 1)
796 CFLAGS += -DHAVE_PERF_READ_VDSOX32
797 else
798 NO_PERF_READ_VDSOX32 := 1
799 endif
800 endif
801else
802 NO_PERF_READ_VDSO32 := 1
803 NO_PERF_READ_VDSOX32 := 1
804endif
805
806ifndef NO_LIBBABELTRACE
807 $(call feature_check,libbabeltrace)
808 ifeq ($(feature-libbabeltrace), 1)
809 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
810 LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
811 EXTLIBS += -lbabeltrace-ctf
812 $(call detected,CONFIG_LIBBABELTRACE)
813 else
814 msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
815 endif
816endif
817
818ifndef NO_AUXTRACE
819 ifeq ($(SRCARCH),x86)
820 ifeq ($(feature-get_cpuid), 0)
821 msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
822 NO_AUXTRACE := 1
823 endif
824 endif
825 ifndef NO_AUXTRACE
826 $(call detected,CONFIG_AUXTRACE)
827 CFLAGS += -DHAVE_AUXTRACE_SUPPORT
828 endif
829endif
830
831ifndef NO_JVMTI
832 ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
833 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
834 else
835 ifneq (,$(wildcard /usr/sbin/alternatives))
836 JDIR=$(shell alternatives --display java | tail -1 | cut -d' ' -f 5 | sed 's%/jre/bin/java.%%g')
837 endif
838 endif
839 ifndef JDIR
840 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
841 NO_JVMTI := 1
842 endif
843endif
844
845ifndef NO_JVMTI
846 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
847 $(call feature_check,jvmti)
848 ifeq ($(feature-jvmti), 1)
849 $(call detected_var,JDIR)
850 else
851 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel)
852 NO_JVMTI := 1
853 endif
854endif
855
856USE_CXX = 0
857USE_CLANGLLVM = 0
858ifdef LIBCLANGLLVM
859 $(call feature_check,cxx)
860 ifneq ($(feature-cxx), 1)
861 msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
862 else
863 $(call feature_check,llvm)
864 $(call feature_check,llvm-version)
865 ifneq ($(feature-llvm), 1)
866 msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
867 else
868 $(call feature_check,clang)
869 ifneq ($(feature-clang), 1)
870 msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
871 else
872 CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
873 CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
874 $(call detected,CONFIG_CXX)
875 $(call detected,CONFIG_CLANGLLVM)
876 USE_CXX = 1
877 USE_LLVM = 1
878 USE_CLANG = 1
879 ifneq ($(feature-llvm-version),1)
880 msg := $(warning This version of LLVM is not tested. May cause build errors)
881 endif
882 endif
883 endif
884 endif
885endif
886
887# Among the variables below, these:
888# perfexecdir
889# perf_include_dir
890# perf_examples_dir
891# template_dir
892# mandir
893# infodir
894# htmldir
895# ETC_PERFCONFIG (but not sysconfdir)
896# can be specified as a relative path some/where/else;
897# this is interpreted as relative to $(prefix) and "perf" at
898# runtime figures out where they are based on the path to the executable.
899# This can help installing the suite in a relocatable way.
900
901# Make the path relative to DESTDIR, not to prefix
902ifndef DESTDIR
903prefix ?= $(HOME)
904endif
905bindir_relative = bin
906bindir = $(abspath $(prefix)/$(bindir_relative))
907mandir = share/man
908infodir = share/info
909perfexecdir = libexec/perf-core
910perf_include_dir = lib/perf/include
911perf_examples_dir = lib/perf/examples
912sharedir = $(prefix)/share
913template_dir = share/perf-core/templates
914STRACE_GROUPS_DIR = share/perf-core/strace/groups
915htmldir = share/doc/perf-doc
916tipdir = share/doc/perf-tip
917srcdir = $(srctree)/tools/perf
918ifeq ($(prefix),/usr)
919sysconfdir = /etc
920ETC_PERFCONFIG = $(sysconfdir)/perfconfig
921else
922sysconfdir = $(prefix)/etc
923ETC_PERFCONFIG = etc/perfconfig
924endif
925ifndef lib
926ifeq ($(SRCARCH)$(IS_64_BIT), x861)
927lib = lib64
928else
929lib = lib
930endif
931endif # lib
932libdir = $(prefix)/$(lib)
933
934# Shell quote (do not use $(call) to accommodate ancient setups);
935ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
936STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
937DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
938bindir_SQ = $(subst ','\'',$(bindir))
939mandir_SQ = $(subst ','\'',$(mandir))
940infodir_SQ = $(subst ','\'',$(infodir))
941perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
942perf_include_dir_SQ = $(subst ','\'',$(perf_include_dir))
943perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir))
944template_dir_SQ = $(subst ','\'',$(template_dir))
945htmldir_SQ = $(subst ','\'',$(htmldir))
946tipdir_SQ = $(subst ','\'',$(tipdir))
947prefix_SQ = $(subst ','\'',$(prefix))
948sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
949libdir_SQ = $(subst ','\'',$(libdir))
950srcdir_SQ = $(subst ','\'',$(srcdir))
951
952ifneq ($(filter /%,$(firstword $(perfexecdir))),)
953perfexec_instdir = $(perfexecdir)
954perf_include_instdir = $(perf_include_dir)
955perf_examples_instdir = $(perf_examples_dir)
956STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
957tip_instdir = $(tipdir)
958else
959perfexec_instdir = $(prefix)/$(perfexecdir)
960perf_include_instdir = $(prefix)/$(perf_include_dir)
961perf_examples_instdir = $(prefix)/$(perf_examples_dir)
962STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
963tip_instdir = $(prefix)/$(tipdir)
964endif
965perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
966perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir))
967perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir))
968STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
969tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
970
971# If we install to $(HOME) we keep the traceevent default:
972# $(HOME)/.traceevent/plugins
973# Otherwise we install plugins into the global $(libdir).
974ifdef DESTDIR
975plugindir=$(libdir)/traceevent/plugins
976plugindir_SQ= $(subst ','\'',$(plugindir))
977endif
978
979print_var = $(eval $(print_var_code)) $(info $(MSG))
980define print_var_code
981 MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
982endef
983
984ifeq ($(VF),1)
985 # Display EXTRA features which are detected manualy
986 # from here with feature_check call and thus cannot
987 # be partof global state output.
988 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),))
989 $(call print_var,prefix)
990 $(call print_var,bindir)
991 $(call print_var,libdir)
992 $(call print_var,sysconfdir)
993 $(call print_var,LIBUNWIND_DIR)
994 $(call print_var,LIBDW_DIR)
995 $(call print_var,JDIR)
996
997 ifeq ($(dwarf-post-unwind),1)
998 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
999 endif
1000 $(info )
1001endif
1002
1003$(call detected_var,bindir_SQ)
1004$(call detected_var,PYTHON_WORD)
1005ifneq ($(OUTPUT),)
1006$(call detected_var,OUTPUT)
1007endif
1008$(call detected_var,htmldir_SQ)
1009$(call detected_var,infodir_SQ)
1010$(call detected_var,mandir_SQ)
1011$(call detected_var,ETC_PERFCONFIG_SQ)
1012$(call detected_var,STRACE_GROUPS_DIR_SQ)
1013$(call detected_var,prefix_SQ)
1014$(call detected_var,perfexecdir_SQ)
1015$(call detected_var,perf_include_dir_SQ)
1016$(call detected_var,perf_examples_dir_SQ)
1017$(call detected_var,tipdir_SQ)
1018$(call detected_var,srcdir_SQ)
1019$(call detected_var,LIBDIR)
1020$(call detected_var,GTK_CFLAGS)
1021$(call detected_var,PERL_EMBED_CCOPTS)
1022$(call detected_var,PYTHON_EMBED_CCOPTS)