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