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