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