Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1# SPDX-License-Identifier: GPL-2.0-only
2
3ifeq ($(src-perf),)
4src-perf := $(srctree)/tools/perf
5endif
6
7ifeq ($(obj-perf),)
8obj-perf := $(OUTPUT)
9endif
10
11ifneq ($(obj-perf),)
12obj-perf := $(abspath $(obj-perf))/
13endif
14
15$(shell printf "" > $(OUTPUT).config-detected)
16detected = $(shell echo "$(1)=y" >> $(OUTPUT).config-detected)
17detected_var = $(shell echo "$(1)=$($(1))" >> $(OUTPUT).config-detected)
18
19CFLAGS := $(EXTRA_CFLAGS) $(filter-out -Wnested-externs,$(EXTRA_WARNINGS))
20HOSTCFLAGS := $(filter-out -Wnested-externs,$(EXTRA_WARNINGS))
21
22include $(srctree)/tools/scripts/Makefile.arch
23
24$(call detected_var,SRCARCH)
25
26NO_PERF_REGS := 1
27
28ifneq ($(NO_SYSCALL_TABLE),1)
29 NO_SYSCALL_TABLE := 1
30
31 ifeq ($(SRCARCH),x86)
32 ifeq (${IS_64_BIT}, 1)
33 NO_SYSCALL_TABLE := 0
34 endif
35 else
36 ifeq ($(SRCARCH),$(filter $(SRCARCH),powerpc arm64 s390 mips))
37 NO_SYSCALL_TABLE := 0
38 endif
39 endif
40
41 ifneq ($(NO_SYSCALL_TABLE),1)
42 CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT
43 endif
44endif
45
46# Additional ARCH settings for ppc
47ifeq ($(SRCARCH),powerpc)
48 NO_PERF_REGS := 0
49 CFLAGS += -I$(OUTPUT)arch/powerpc/include/generated
50 LIBUNWIND_LIBS := -lunwind -lunwind-ppc64
51endif
52
53# Additional ARCH settings for x86
54ifeq ($(SRCARCH),x86)
55 $(call detected,CONFIG_X86)
56 ifeq (${IS_64_BIT}, 1)
57 CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT -I$(OUTPUT)arch/x86/include/generated
58 ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
59 LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind -llzma
60 $(call detected,CONFIG_X86_64)
61 else
62 LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind
63 endif
64 NO_PERF_REGS := 0
65endif
66
67ifeq ($(SRCARCH),arm)
68 NO_PERF_REGS := 0
69 LIBUNWIND_LIBS = -lunwind -lunwind-arm
70endif
71
72ifeq ($(SRCARCH),arm64)
73 NO_PERF_REGS := 0
74 CFLAGS += -I$(OUTPUT)arch/arm64/include/generated
75 LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
76endif
77
78ifeq ($(SRCARCH),riscv)
79 NO_PERF_REGS := 0
80endif
81
82ifeq ($(SRCARCH),csky)
83 NO_PERF_REGS := 0
84endif
85
86ifeq ($(ARCH),s390)
87 NO_PERF_REGS := 0
88 CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated
89endif
90
91ifeq ($(ARCH),mips)
92 NO_PERF_REGS := 0
93 CFLAGS += -I$(OUTPUT)arch/mips/include/generated
94 LIBUNWIND_LIBS = -lunwind -lunwind-mips
95endif
96
97ifeq ($(NO_PERF_REGS),0)
98 $(call detected,CONFIG_PERF_REGS)
99endif
100
101# So far there's only x86 and arm libdw unwind support merged in perf.
102# Disable it on all other architectures in case libdw unwind
103# support is detected in system. Add supported architectures
104# to the check.
105ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390 csky riscv))
106 NO_LIBDW_DWARF_UNWIND := 1
107endif
108
109ifeq ($(LIBUNWIND_LIBS),)
110 NO_LIBUNWIND := 1
111endif
112#
113# For linking with debug library, run like:
114#
115# make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
116#
117
118libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
119define libunwind_arch_set_flags_code
120 FEATURE_CHECK_CFLAGS-libunwind-$(1) = -I$(LIBUNWIND_DIR)/include
121 FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
122endef
123
124ifdef LIBUNWIND_DIR
125 LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include
126 LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
127 LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64
128 $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
129endif
130
131# Set per-feature check compilation flags
132FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
133FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
134FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
135FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
136
137FEATURE_CHECK_LDFLAGS-libunwind-arm += -lunwind -lunwind-arm
138FEATURE_CHECK_LDFLAGS-libunwind-aarch64 += -lunwind -lunwind-aarch64
139FEATURE_CHECK_LDFLAGS-libunwind-x86 += -lunwind -llzma -lunwind-x86
140FEATURE_CHECK_LDFLAGS-libunwind-x86_64 += -lunwind -llzma -lunwind-x86_64
141
142FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto
143
144ifdef CSINCLUDES
145 LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)
146endif
147OPENCSDLIBS := -lopencsd_c_api
148ifeq ($(findstring -static,${LDFLAGS}),-static)
149 OPENCSDLIBS += -lopencsd -lstdc++
150endif
151ifdef CSLIBS
152 LIBOPENCSD_LDFLAGS := -L$(CSLIBS)
153endif
154FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS)
155FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS)
156
157ifeq ($(NO_PERF_REGS),0)
158 CFLAGS += -DHAVE_PERF_REGS_SUPPORT
159endif
160
161# for linking with debug library, run like:
162# make DEBUG=1 LIBDW_DIR=/opt/libdw/
163ifdef LIBDW_DIR
164 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include
165 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
166endif
167DWARFLIBS := -ldw
168ifeq ($(findstring -static,${LDFLAGS}),-static)
169 DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2
170endif
171FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
172FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS)
173
174# for linking with debug library, run like:
175# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
176ifdef LIBBABELTRACE_DIR
177 LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include
178 LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
179endif
180FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
181FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
182
183ifdef LIBZSTD_DIR
184 LIBZSTD_CFLAGS := -I$(LIBZSTD_DIR)/lib
185 LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib
186endif
187FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS)
188FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS)
189
190FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi
191# include ARCH specific config
192-include $(src-perf)/arch/$(SRCARCH)/Makefile
193
194ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
195 CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
196endif
197
198include $(srctree)/tools/scripts/utilities.mak
199
200ifeq ($(call get-executable,$(FLEX)),)
201 dummy := $(error Error: $(FLEX) is missing on this system, please install it)
202endif
203
204ifeq ($(call get-executable,$(BISON)),)
205 dummy := $(error Error: $(BISON) is missing on this system, please install it)
206endif
207
208ifneq ($(OUTPUT),)
209 ifeq ($(shell expr $(shell $(BISON) --version | grep bison | sed -e 's/.\+ \([0-9]\+\).\([0-9]\+\).\([0-9]\+\)/\1\2\3/g') \>\= 371), 1)
210 BISON_FILE_PREFIX_MAP := --file-prefix-map=$(OUTPUT)=
211 endif
212endif
213
214# Treat warnings as errors unless directed not to
215ifneq ($(WERROR),0)
216 CORE_CFLAGS += -Werror
217 CXXFLAGS += -Werror
218 HOSTCFLAGS += -Werror
219endif
220
221ifndef DEBUG
222 DEBUG := 0
223endif
224
225ifeq ($(DEBUG),0)
226ifeq ($(CC_NO_CLANG), 0)
227 CORE_CFLAGS += -O3
228else
229 CORE_CFLAGS += -O6
230endif
231endif
232
233ifdef PARSER_DEBUG
234 PARSER_DEBUG_BISON := -t
235 PARSER_DEBUG_FLEX := -d
236 CFLAGS += -DPARSER_DEBUG
237 $(call detected_var,PARSER_DEBUG_BISON)
238 $(call detected_var,PARSER_DEBUG_FLEX)
239endif
240
241# Try different combinations to accommodate systems that only have
242# python[2][-config] in weird combinations but always preferring
243# python2 and python2-config as per pep-0394. If python2 or python
244# aren't found, then python3 is used.
245PYTHON_AUTO := python
246PYTHON_AUTO := $(if $(call get-executable,python3),python3,$(PYTHON_AUTO))
247PYTHON_AUTO := $(if $(call get-executable,python),python,$(PYTHON_AUTO))
248PYTHON_AUTO := $(if $(call get-executable,python2),python2,$(PYTHON_AUTO))
249override PYTHON := $(call get-executable-or-default,PYTHON,$(PYTHON_AUTO))
250PYTHON_AUTO_CONFIG := \
251 $(if $(call get-executable,$(PYTHON)-config),$(PYTHON)-config,python-config)
252override PYTHON_CONFIG := \
253 $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON_AUTO_CONFIG))
254
255grep-libs = $(filter -l%,$(1))
256strip-libs = $(filter-out -l%,$(1))
257
258PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
259
260# Python 3.8 changed the output of `python-config --ldflags` to not include the
261# '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for
262# libpython fails if that flag is not included in LDFLAGS
263ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0)
264 PYTHON_CONFIG_LDFLAGS := --ldflags --embed
265else
266 PYTHON_CONFIG_LDFLAGS := --ldflags
267endif
268
269ifdef PYTHON_CONFIG
270 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) $(PYTHON_CONFIG_LDFLAGS) 2>/dev/null)
271 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
272 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
273 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null)
274 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
275endif
276
277FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
278FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
279
280FEATURE_CHECK_LDFLAGS-libaio = -lrt
281
282FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes -ldl
283
284CORE_CFLAGS += -fno-omit-frame-pointer
285CORE_CFLAGS += -ggdb3
286CORE_CFLAGS += -funwind-tables
287CORE_CFLAGS += -Wall
288CORE_CFLAGS += -Wextra
289CORE_CFLAGS += -std=gnu99
290
291CXXFLAGS += -std=gnu++14 -fno-exceptions -fno-rtti
292CXXFLAGS += -Wall
293CXXFLAGS += -fno-omit-frame-pointer
294CXXFLAGS += -ggdb3
295CXXFLAGS += -funwind-tables
296CXXFLAGS += -Wno-strict-aliasing
297
298HOSTCFLAGS += -Wall
299HOSTCFLAGS += -Wextra
300
301# Enforce a non-executable stack, as we may regress (again) in the future by
302# adding assembler files missing the .GNU-stack linker note.
303LDFLAGS += -Wl,-z,noexecstack
304
305EXTLIBS = -lpthread -lrt -lm -ldl
306
307ifneq ($(TCMALLOC),)
308 CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free
309 EXTLIBS += -ltcmalloc
310endif
311
312ifeq ($(FEATURES_DUMP),)
313# We will display at the end of this Makefile.config, using $(call feature_display_entries)
314# As we may retry some feature detection here, see the disassembler-four-args case, for instance
315 FEATURE_DISPLAY_DEFERRED := 1
316include $(srctree)/tools/build/Makefile.feature
317else
318include $(FEATURES_DUMP)
319endif
320
321ifeq ($(feature-stackprotector-all), 1)
322 CORE_CFLAGS += -fstack-protector-all
323endif
324
325ifeq ($(DEBUG),0)
326 ifeq ($(feature-fortify-source), 1)
327 CORE_CFLAGS += -D_FORTIFY_SOURCE=2
328 endif
329endif
330
331INC_FLAGS += -I$(srctree)/tools/lib/perf/include
332INC_FLAGS += -I$(src-perf)/util/include
333INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
334INC_FLAGS += -I$(srctree)/tools/include/
335INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
336INC_FLAGS += -I$(srctree)/tools/include/uapi
337INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
338INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
339
340# $(obj-perf) for generated common-cmds.h
341# $(obj-perf)/util for generated bison/flex headers
342ifneq ($(OUTPUT),)
343INC_FLAGS += -I$(obj-perf)/util
344INC_FLAGS += -I$(obj-perf)
345endif
346
347INC_FLAGS += -I$(src-perf)/util
348INC_FLAGS += -I$(src-perf)
349INC_FLAGS += -I$(srctree)/tools/lib/
350
351CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
352
353CFLAGS += $(CORE_CFLAGS) $(INC_FLAGS)
354CXXFLAGS += $(INC_FLAGS)
355
356LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS)
357
358ifeq ($(feature-pthread-attr-setaffinity-np), 1)
359 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
360endif
361
362ifeq ($(feature-pthread-barrier), 1)
363 CFLAGS += -DHAVE_PTHREAD_BARRIER
364endif
365
366ifndef NO_BIONIC
367 $(call feature_check,bionic)
368 ifeq ($(feature-bionic), 1)
369 BIONIC := 1
370 CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE
371 CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE
372 EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
373 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
374 endif
375endif
376
377ifeq ($(feature-eventfd), 1)
378 CFLAGS += -DHAVE_EVENTFD_SUPPORT
379endif
380
381ifeq ($(feature-get_current_dir_name), 1)
382 CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME
383endif
384
385ifeq ($(feature-gettid), 1)
386 CFLAGS += -DHAVE_GETTID
387endif
388
389ifeq ($(feature-file-handle), 1)
390 CFLAGS += -DHAVE_FILE_HANDLE
391endif
392
393ifdef NO_LIBELF
394 NO_DWARF := 1
395 NO_DEMANGLE := 1
396 NO_LIBUNWIND := 1
397 NO_LIBDW_DWARF_UNWIND := 1
398 NO_LIBBPF := 1
399 NO_JVMTI := 1
400else
401 ifeq ($(feature-libelf), 0)
402 ifeq ($(feature-glibc), 1)
403 LIBC_SUPPORT := 1
404 endif
405 ifeq ($(BIONIC),1)
406 LIBC_SUPPORT := 1
407 endif
408 ifeq ($(LIBC_SUPPORT),1)
409 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);
410
411 NO_LIBELF := 1
412 NO_DWARF := 1
413 NO_DEMANGLE := 1
414 NO_LIBUNWIND := 1
415 NO_LIBDW_DWARF_UNWIND := 1
416 NO_LIBBPF := 1
417 NO_JVMTI := 1
418 else
419 ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),)
420 ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0)
421 msg := $(error No libasan found, please install libasan);
422 endif
423 endif
424
425 ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),)
426 ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0)
427 msg := $(error No libubsan found, please install libubsan);
428 endif
429 endif
430
431 ifneq ($(filter s% -static%,$(LDFLAGS),),)
432 msg := $(error No static glibc found, please install glibc-static);
433 else
434 msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
435 endif
436 endif
437 else
438 ifndef NO_LIBDW_DWARF_UNWIND
439 ifneq ($(feature-libdw-dwarf-unwind),1)
440 NO_LIBDW_DWARF_UNWIND := 1
441 msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
442 endif
443 endif
444 ifneq ($(feature-dwarf), 1)
445 ifndef NO_DWARF
446 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);
447 NO_DWARF := 1
448 endif
449 else
450 ifneq ($(feature-dwarf_getlocations), 1)
451 msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
452 else
453 CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT
454 endif # dwarf_getlocations
455 endif # Dwarf support
456 endif # libelf support
457endif # NO_LIBELF
458
459ifeq ($(feature-glibc), 1)
460 CFLAGS += -DHAVE_GLIBC_SUPPORT
461endif
462
463ifeq ($(feature-libaio), 1)
464 ifndef NO_AIO
465 CFLAGS += -DHAVE_AIO_SUPPORT
466 endif
467endif
468
469ifdef NO_DWARF
470 NO_LIBDW_DWARF_UNWIND := 1
471endif
472
473ifeq ($(feature-sched_getcpu), 1)
474 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
475endif
476
477ifeq ($(feature-setns), 1)
478 CFLAGS += -DHAVE_SETNS_SUPPORT
479 $(call detected,CONFIG_SETNS)
480endif
481
482ifdef CORESIGHT
483 $(call feature_check,libopencsd)
484 ifeq ($(feature-libopencsd), 1)
485 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
486 ifeq ($(feature-reallocarray), 0)
487 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
488 endif
489 LDFLAGS += $(LIBOPENCSD_LDFLAGS)
490 EXTLIBS += $(OPENCSDLIBS)
491 $(call detected,CONFIG_LIBOPENCSD)
492 ifdef CSTRACE_RAW
493 CFLAGS += -DCS_DEBUG_RAW
494 ifeq (${CSTRACE_RAW}, packed)
495 CFLAGS += -DCS_RAW_PACKED
496 endif
497 endif
498 else
499 dummy := $(error Error: No libopencsd library found or the version is not up-to-date. Please install recent libopencsd to build with CORESIGHT=1)
500 endif
501endif
502
503ifndef NO_LIBELF
504 CFLAGS += -DHAVE_LIBELF_SUPPORT
505 EXTLIBS += -lelf
506 $(call detected,CONFIG_LIBELF)
507
508 ifeq ($(feature-libelf-getphdrnum), 1)
509 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
510 endif
511
512 ifeq ($(feature-libelf-gelf_getnote), 1)
513 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
514 else
515 msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
516 endif
517
518 ifeq ($(feature-libelf-getshdrstrndx), 1)
519 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
520 endif
521
522 ifndef NO_LIBDEBUGINFOD
523 $(call feature_check,libdebuginfod)
524 ifeq ($(feature-libdebuginfod), 1)
525 CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT
526 EXTLIBS += -ldebuginfod
527 endif
528 endif
529
530 ifndef NO_DWARF
531 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
532 msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
533 NO_DWARF := 1
534 else
535 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
536 LDFLAGS += $(LIBDW_LDFLAGS)
537 EXTLIBS += ${DWARFLIBS}
538 $(call detected,CONFIG_DWARF)
539 endif # PERF_HAVE_DWARF_REGS
540 endif # NO_DWARF
541
542 ifndef NO_LIBBPF
543 ifeq ($(feature-bpf), 1)
544 CFLAGS += -DHAVE_LIBBPF_SUPPORT
545 $(call detected,CONFIG_LIBBPF)
546
547 # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status
548 $(call feature_check,libbpf)
549 ifdef LIBBPF_DYNAMIC
550 ifeq ($(feature-libbpf), 1)
551 EXTLIBS += -lbpf
552 $(call detected,CONFIG_LIBBPF_DYNAMIC)
553 else
554 dummy := $(error Error: No libbpf devel library found, please install libbpf-devel);
555 endif
556 endif
557 endif
558
559 ifndef NO_DWARF
560 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
561 CFLAGS += -DHAVE_BPF_PROLOGUE
562 $(call detected,CONFIG_BPF_PROLOGUE)
563 else
564 msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset());
565 endif
566 else
567 msg := $(warning DWARF support is off, BPF prologue is disabled);
568 endif
569
570 endif # NO_LIBBPF
571endif # NO_LIBELF
572
573ifndef NO_SDT
574 ifneq ($(feature-sdt), 1)
575 msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
576 NO_SDT := 1;
577 else
578 CFLAGS += -DHAVE_SDT_EVENT
579 $(call detected,CONFIG_SDT_EVENT)
580 endif
581endif
582
583ifdef PERF_HAVE_JITDUMP
584 ifndef NO_LIBELF
585 $(call detected,CONFIG_JITDUMP)
586 CFLAGS += -DHAVE_JITDUMP
587 endif
588endif
589
590ifeq ($(SRCARCH),powerpc)
591 ifndef NO_DWARF
592 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
593 endif
594endif
595
596ifndef NO_LIBUNWIND
597 have_libunwind :=
598
599 $(call feature_check,libunwind-x86)
600 ifeq ($(feature-libunwind-x86), 1)
601 $(call detected,CONFIG_LIBUNWIND_X86)
602 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
603 LDFLAGS += -lunwind-x86
604 EXTLIBS_LIBUNWIND += -lunwind-x86
605 have_libunwind = 1
606 endif
607
608 $(call feature_check,libunwind-aarch64)
609 ifeq ($(feature-libunwind-aarch64), 1)
610 $(call detected,CONFIG_LIBUNWIND_AARCH64)
611 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
612 LDFLAGS += -lunwind-aarch64
613 EXTLIBS_LIBUNWIND += -lunwind-aarch64
614 have_libunwind = 1
615 $(call feature_check,libunwind-debug-frame-aarch64)
616 ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
617 msg := $(warning No debug_frame support found in libunwind-aarch64);
618 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
619 endif
620 endif
621
622 ifneq ($(feature-libunwind), 1)
623 msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
624 NO_LOCAL_LIBUNWIND := 1
625 else
626 have_libunwind := 1
627 $(call detected,CONFIG_LOCAL_LIBUNWIND)
628 endif
629
630 ifneq ($(have_libunwind), 1)
631 NO_LIBUNWIND := 1
632 endif
633else
634 NO_LOCAL_LIBUNWIND := 1
635endif
636
637ifndef NO_LIBBPF
638 ifneq ($(feature-bpf), 1)
639 msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
640 NO_LIBBPF := 1
641 endif
642endif
643
644ifdef BUILD_BPF_SKEL
645 $(call feature_check,clang-bpf-co-re)
646 ifeq ($(feature-clang-bpf-co-re), 0)
647 dummy := $(error Error: clang too old/not installed. Please install recent clang to build with BUILD_BPF_SKEL)
648 endif
649 $(call detected,CONFIG_PERF_BPF_SKEL)
650 CFLAGS += -DHAVE_BPF_SKEL
651endif
652
653dwarf-post-unwind := 1
654dwarf-post-unwind-text := BUG
655
656# setup DWARF post unwinder
657ifdef NO_LIBUNWIND
658 ifdef NO_LIBDW_DWARF_UNWIND
659 msg := $(warning Disabling post unwind, no support found.);
660 dwarf-post-unwind := 0
661 else
662 dwarf-post-unwind-text := libdw
663 $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
664 endif
665else
666 dwarf-post-unwind-text := libunwind
667 $(call detected,CONFIG_LIBUNWIND)
668 # Enable libunwind support by default.
669 ifndef NO_LIBDW_DWARF_UNWIND
670 NO_LIBDW_DWARF_UNWIND := 1
671 endif
672endif
673
674ifeq ($(dwarf-post-unwind),1)
675 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
676 $(call detected,CONFIG_DWARF_UNWIND)
677else
678 NO_DWARF_UNWIND := 1
679endif
680
681ifndef NO_LOCAL_LIBUNWIND
682 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
683 $(call feature_check,libunwind-debug-frame)
684 ifneq ($(feature-libunwind-debug-frame), 1)
685 msg := $(warning No debug_frame support found in libunwind);
686 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
687 endif
688 else
689 # non-ARM has no dwarf_find_debug_frame() function:
690 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
691 endif
692 EXTLIBS += $(LIBUNWIND_LIBS)
693 LDFLAGS += $(LIBUNWIND_LIBS)
694endif
695ifeq ($(findstring -static,${LDFLAGS}),-static)
696 # gcc -static links libgcc_eh which contans piece of libunwind
697 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
698endif
699
700ifndef NO_LIBUNWIND
701 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
702 CFLAGS += $(LIBUNWIND_CFLAGS)
703 LDFLAGS += $(LIBUNWIND_LDFLAGS)
704 EXTLIBS += $(EXTLIBS_LIBUNWIND)
705endif
706
707ifeq ($(NO_SYSCALL_TABLE),0)
708 $(call detected,CONFIG_TRACE)
709else
710 ifndef NO_LIBAUDIT
711 $(call feature_check,libaudit)
712 ifneq ($(feature-libaudit), 1)
713 msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
714 NO_LIBAUDIT := 1
715 else
716 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
717 EXTLIBS += -laudit
718 $(call detected,CONFIG_TRACE)
719 endif
720 endif
721endif
722
723ifndef NO_LIBCRYPTO
724 ifneq ($(feature-libcrypto), 1)
725 msg := $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev);
726 NO_LIBCRYPTO := 1
727 else
728 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
729 EXTLIBS += -lcrypto
730 $(call detected,CONFIG_CRYPTO)
731 endif
732endif
733
734ifdef NO_NEWT
735 NO_SLANG=1
736endif
737
738ifndef NO_SLANG
739 ifneq ($(feature-libslang), 1)
740 ifneq ($(feature-libslang-include-subdir), 1)
741 msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
742 NO_SLANG := 1
743 else
744 CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR
745 endif
746 endif
747 ifndef NO_SLANG
748 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
749 CFLAGS += -DHAVE_SLANG_SUPPORT
750 EXTLIBS += -lslang
751 $(call detected,CONFIG_SLANG)
752 endif
753endif
754
755ifdef GTK2
756 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
757 $(call feature_check,gtk2)
758 ifneq ($(feature-gtk2), 1)
759 msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
760 NO_GTK2 := 1
761 else
762 $(call feature_check,gtk2-infobar)
763 ifeq ($(feature-gtk2-infobar), 1)
764 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
765 endif
766 CFLAGS += -DHAVE_GTK2_SUPPORT
767 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
768 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
769 EXTLIBS += -ldl
770 endif
771endif
772
773ifdef NO_LIBPERL
774 CFLAGS += -DNO_LIBPERL
775else
776 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
777 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
778 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
779 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
780 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
781 PERL_EMBED_CCOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(PERL_EMBED_CCOPTS))
782 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
783 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
784
785 ifneq ($(feature-libperl), 1)
786 CFLAGS += -DNO_LIBPERL
787 NO_LIBPERL := 1
788 msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
789 else
790 LDFLAGS += $(PERL_EMBED_LDFLAGS)
791 EXTLIBS += $(PERL_EMBED_LIBADD)
792 CFLAGS += -DHAVE_LIBPERL_SUPPORT
793 $(call detected,CONFIG_LIBPERL)
794 endif
795endif
796
797ifeq ($(feature-timerfd), 1)
798 CFLAGS += -DHAVE_TIMERFD_SUPPORT
799else
800 msg := $(warning No timerfd support. Disables 'perf kvm stat live');
801endif
802
803disable-python = $(eval $(disable-python_code))
804define disable-python_code
805 CFLAGS += -DNO_LIBPYTHON
806 $(warning $1)
807 NO_LIBPYTHON := 1
808endef
809
810ifdef NO_LIBPYTHON
811 $(call disable-python,Python support disabled by user)
812else
813
814 ifndef PYTHON
815 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
816 else
817 PYTHON_WORD := $(call shell-wordify,$(PYTHON))
818
819 ifndef PYTHON_CONFIG
820 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
821 else
822
823 ifneq ($(feature-libpython), 1)
824 $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
825 else
826 LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
827 EXTLIBS += $(PYTHON_EMBED_LIBADD)
828 LANG_BINDINGS += $(obj-perf)python/perf.so
829 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
830 $(call detected,CONFIG_LIBPYTHON)
831 endif
832 endif
833 endif
834endif
835
836
837ifndef NO_LIBBFD
838 ifeq ($(feature-libbfd), 1)
839 EXTLIBS += -lbfd -lopcodes
840 else
841 # we are on a system that requires -liberty and (maybe) -lz
842 # to link against -lbfd; test each case individually here
843
844 # call all detections now so we get correct
845 # status in VF output
846 $(call feature_check,libbfd-liberty)
847 $(call feature_check,libbfd-liberty-z)
848
849 ifeq ($(feature-libbfd-liberty), 1)
850 EXTLIBS += -lbfd -lopcodes -liberty
851 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl
852 else
853 ifeq ($(feature-libbfd-liberty-z), 1)
854 EXTLIBS += -lbfd -lopcodes -liberty -lz
855 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl
856 endif
857 endif
858 $(call feature_check,disassembler-four-args)
859 endif
860
861 ifeq ($(feature-libbfd-buildid), 1)
862 CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT
863 else
864 msg := $(warning Old version of libbfd/binutils things like PE executable profiling will not be available);
865 endif
866endif
867
868ifdef NO_DEMANGLE
869 CFLAGS += -DNO_DEMANGLE
870else
871 ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
872 EXTLIBS += -liberty
873 else
874 ifeq ($(filter -liberty,$(EXTLIBS)),)
875 $(call feature_check,cplus-demangle)
876
877 # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
878 # or any of 'bfd iberty z' trinity
879 ifeq ($(feature-cplus-demangle), 1)
880 EXTLIBS += -liberty
881 else
882 msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
883 CFLAGS += -DNO_DEMANGLE
884 endif
885 endif
886 endif
887
888 ifneq ($(filter -liberty,$(EXTLIBS)),)
889 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
890 endif
891endif
892
893ifneq ($(filter -lbfd,$(EXTLIBS)),)
894 CFLAGS += -DHAVE_LIBBFD_SUPPORT
895endif
896
897ifndef NO_ZLIB
898 ifeq ($(feature-zlib), 1)
899 CFLAGS += -DHAVE_ZLIB_SUPPORT
900 EXTLIBS += -lz
901 $(call detected,CONFIG_ZLIB)
902 else
903 NO_ZLIB := 1
904 endif
905endif
906
907ifndef NO_LZMA
908 ifeq ($(feature-lzma), 1)
909 CFLAGS += -DHAVE_LZMA_SUPPORT
910 EXTLIBS += -llzma
911 $(call detected,CONFIG_LZMA)
912 else
913 msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
914 NO_LZMA := 1
915 endif
916endif
917
918ifndef NO_LIBZSTD
919 ifeq ($(feature-libzstd), 1)
920 CFLAGS += -DHAVE_ZSTD_SUPPORT
921 CFLAGS += $(LIBZSTD_CFLAGS)
922 LDFLAGS += $(LIBZSTD_LDFLAGS)
923 EXTLIBS += -lzstd
924 $(call detected,CONFIG_ZSTD)
925 else
926 msg := $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR);
927 NO_LIBZSTD := 1
928 endif
929endif
930
931ifndef NO_LIBCAP
932 ifeq ($(feature-libcap), 1)
933 CFLAGS += -DHAVE_LIBCAP_SUPPORT
934 EXTLIBS += -lcap
935 $(call detected,CONFIG_LIBCAP)
936 else
937 msg := $(warning No libcap found, disables capability support, please install libcap-devel/libcap-dev);
938 NO_LIBCAP := 1
939 endif
940endif
941
942ifndef NO_BACKTRACE
943 ifeq ($(feature-backtrace), 1)
944 CFLAGS += -DHAVE_BACKTRACE_SUPPORT
945 endif
946endif
947
948ifndef NO_LIBNUMA
949 ifeq ($(feature-libnuma), 0)
950 msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
951 NO_LIBNUMA := 1
952 else
953 ifeq ($(feature-numa_num_possible_cpus), 0)
954 msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
955 NO_LIBNUMA := 1
956 else
957 CFLAGS += -DHAVE_LIBNUMA_SUPPORT
958 EXTLIBS += -lnuma
959 $(call detected,CONFIG_NUMA)
960 endif
961 endif
962endif
963
964ifdef HAVE_KVM_STAT_SUPPORT
965 CFLAGS += -DHAVE_KVM_STAT_SUPPORT
966endif
967
968ifeq ($(feature-disassembler-four-args), 1)
969 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
970endif
971
972ifeq (${IS_64_BIT}, 1)
973 ifndef NO_PERF_READ_VDSO32
974 $(call feature_check,compile-32)
975 ifeq ($(feature-compile-32), 1)
976 CFLAGS += -DHAVE_PERF_READ_VDSO32
977 else
978 NO_PERF_READ_VDSO32 := 1
979 endif
980 endif
981 ifneq ($(SRCARCH), x86)
982 NO_PERF_READ_VDSOX32 := 1
983 endif
984 ifndef NO_PERF_READ_VDSOX32
985 $(call feature_check,compile-x32)
986 ifeq ($(feature-compile-x32), 1)
987 CFLAGS += -DHAVE_PERF_READ_VDSOX32
988 else
989 NO_PERF_READ_VDSOX32 := 1
990 endif
991 endif
992else
993 NO_PERF_READ_VDSO32 := 1
994 NO_PERF_READ_VDSOX32 := 1
995endif
996
997ifndef NO_LIBBABELTRACE
998 $(call feature_check,libbabeltrace)
999 ifeq ($(feature-libbabeltrace), 1)
1000 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
1001 LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
1002 EXTLIBS += -lbabeltrace-ctf
1003 $(call detected,CONFIG_LIBBABELTRACE)
1004 else
1005 msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
1006 endif
1007endif
1008
1009ifndef NO_AUXTRACE
1010 ifeq ($(SRCARCH),x86)
1011 ifeq ($(feature-get_cpuid), 0)
1012 msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
1013 NO_AUXTRACE := 1
1014 endif
1015 endif
1016 ifndef NO_AUXTRACE
1017 $(call detected,CONFIG_AUXTRACE)
1018 CFLAGS += -DHAVE_AUXTRACE_SUPPORT
1019 ifeq ($(feature-reallocarray), 0)
1020 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
1021 endif
1022 endif
1023endif
1024
1025ifndef NO_JVMTI
1026 ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
1027 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
1028 else
1029 ifneq (,$(wildcard /usr/sbin/alternatives))
1030 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g')
1031 endif
1032 endif
1033 ifndef JDIR
1034 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
1035 NO_JVMTI := 1
1036 endif
1037endif
1038
1039ifndef NO_JVMTI
1040 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
1041 $(call feature_check,jvmti)
1042 ifeq ($(feature-jvmti), 1)
1043 $(call detected_var,JDIR)
1044 ifndef NO_JVMTI_CMLR
1045 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti)
1046 $(call feature_check,jvmti-cmlr)
1047 ifeq ($(feature-jvmti-cmlr), 1)
1048 CFLAGS += -DHAVE_JVMTI_CMLR
1049 endif
1050 endif # NO_JVMTI_CMLR
1051 else
1052 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel)
1053 NO_JVMTI := 1
1054 endif
1055endif
1056
1057USE_CXX = 0
1058USE_CLANGLLVM = 0
1059ifdef LIBCLANGLLVM
1060 $(call feature_check,cxx)
1061 ifneq ($(feature-cxx), 1)
1062 msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
1063 else
1064 $(call feature_check,llvm)
1065 $(call feature_check,llvm-version)
1066 ifneq ($(feature-llvm), 1)
1067 msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
1068 else
1069 $(call feature_check,clang)
1070 ifneq ($(feature-clang), 1)
1071 msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
1072 else
1073 CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
1074 CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
1075 $(call detected,CONFIG_CXX)
1076 $(call detected,CONFIG_CLANGLLVM)
1077 USE_CXX = 1
1078 USE_LLVM = 1
1079 USE_CLANG = 1
1080 ifneq ($(feature-llvm-version),1)
1081 msg := $(warning This version of LLVM is not tested. May cause build errors)
1082 endif
1083 endif
1084 endif
1085 endif
1086endif
1087
1088ifdef LIBPFM4
1089 $(call feature_check,libpfm4)
1090 ifeq ($(feature-libpfm4), 1)
1091 CFLAGS += -DHAVE_LIBPFM
1092 EXTLIBS += -lpfm
1093 ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1
1094 $(call detected,CONFIG_LIBPFM4)
1095 else
1096 msg := $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev);
1097 NO_LIBPFM4 := 1
1098 endif
1099endif
1100
1101ifdef LIBTRACEEVENT_DYNAMIC
1102 $(call feature_check,libtraceevent)
1103 ifeq ($(feature-libtraceevent), 1)
1104 EXTLIBS += -ltraceevent
1105 LIBTRACEEVENT_VERSION := $(shell $(PKG_CONFIG) --modversion libtraceevent)
1106 LIBTRACEEVENT_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEEVENT_VERSION)))
1107 LIBTRACEEVENT_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEEVENT_VERSION)))
1108 LIBTRACEEVENT_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEEVENT_VERSION)))
1109 LIBTRACEEVENT_VERSION_CPP := $(shell expr $(LIBTRACEEVENT_VERSION_1) \* 255 \* 255 + $(LIBTRACEEVENT_VERSION_2) \* 255 + $(LIBTRACEEVENT_VERSION_3))
1110 CFLAGS += -DLIBTRACEEVENT_VERSION=$(LIBTRACEEVENT_VERSION_CPP)
1111 else
1112 dummy := $(error Error: No libtraceevent devel library found, please install libtraceevent-devel);
1113 endif
1114endif
1115
1116ifdef LIBTRACEFS_DYNAMIC
1117 $(call feature_check,libtracefs)
1118 ifeq ($(feature-libtracefs), 1)
1119 EXTLIBS += -ltracefs
1120 LIBTRACEFS_VERSION := $(shell $(PKG_CONFIG) --modversion libtracefs)
1121 LIBTRACEFS_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEFS_VERSION)))
1122 LIBTRACEFS_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEFS_VERSION)))
1123 LIBTRACEFS_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEFS_VERSION)))
1124 LIBTRACEFS_VERSION_CPP := $(shell expr $(LIBTRACEFS_VERSION_1) \* 255 \* 255 + $(LIBTRACEFS_VERSION_2) \* 255 + $(LIBTRACEFS_VERSION_3))
1125 CFLAGS += -DLIBTRACEFS_VERSION=$(LIBTRACEFS_VERSION_CPP)
1126 else
1127 dummy := $(error Error: No libtracefs devel library found, please install libtracefs-dev);
1128 endif
1129endif
1130
1131# Among the variables below, these:
1132# perfexecdir
1133# perf_include_dir
1134# perf_examples_dir
1135# template_dir
1136# mandir
1137# infodir
1138# htmldir
1139# ETC_PERFCONFIG (but not sysconfdir)
1140# can be specified as a relative path some/where/else;
1141# this is interpreted as relative to $(prefix) and "perf" at
1142# runtime figures out where they are based on the path to the executable.
1143# This can help installing the suite in a relocatable way.
1144
1145# Make the path relative to DESTDIR, not to prefix
1146ifndef DESTDIR
1147prefix ?= $(HOME)
1148endif
1149bindir_relative = bin
1150bindir = $(abspath $(prefix)/$(bindir_relative))
1151includedir_relative = include
1152includedir = $(abspath $(prefix)/$(includedir_relative))
1153mandir = share/man
1154infodir = share/info
1155perfexecdir = libexec/perf-core
1156perf_include_dir = lib/perf/include
1157perf_examples_dir = lib/perf/examples
1158sharedir = $(prefix)/share
1159template_dir = share/perf-core/templates
1160STRACE_GROUPS_DIR = share/perf-core/strace/groups
1161htmldir = share/doc/perf-doc
1162tipdir = share/doc/perf-tip
1163srcdir = $(srctree)/tools/perf
1164ifeq ($(prefix),/usr)
1165sysconfdir = /etc
1166ETC_PERFCONFIG = $(sysconfdir)/perfconfig
1167else
1168sysconfdir = $(prefix)/etc
1169ETC_PERFCONFIG = etc/perfconfig
1170endif
1171ifndef lib
1172ifeq ($(SRCARCH)$(IS_64_BIT), x861)
1173lib = lib64
1174else
1175lib = lib
1176endif
1177endif # lib
1178libdir = $(prefix)/$(lib)
1179
1180# Shell quote (do not use $(call) to accommodate ancient setups);
1181ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
1182STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
1183DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
1184bindir_SQ = $(subst ','\'',$(bindir))
1185includedir_SQ = $(subst ','\'',$(includedir))
1186mandir_SQ = $(subst ','\'',$(mandir))
1187infodir_SQ = $(subst ','\'',$(infodir))
1188perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
1189perf_include_dir_SQ = $(subst ','\'',$(perf_include_dir))
1190perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir))
1191template_dir_SQ = $(subst ','\'',$(template_dir))
1192htmldir_SQ = $(subst ','\'',$(htmldir))
1193tipdir_SQ = $(subst ','\'',$(tipdir))
1194prefix_SQ = $(subst ','\'',$(prefix))
1195sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
1196libdir_SQ = $(subst ','\'',$(libdir))
1197srcdir_SQ = $(subst ','\'',$(srcdir))
1198
1199ifneq ($(filter /%,$(firstword $(perfexecdir))),)
1200perfexec_instdir = $(perfexecdir)
1201perf_include_instdir = $(perf_include_dir)
1202perf_examples_instdir = $(perf_examples_dir)
1203STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
1204tip_instdir = $(tipdir)
1205else
1206perfexec_instdir = $(prefix)/$(perfexecdir)
1207perf_include_instdir = $(prefix)/$(perf_include_dir)
1208perf_examples_instdir = $(prefix)/$(perf_examples_dir)
1209STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
1210tip_instdir = $(prefix)/$(tipdir)
1211endif
1212perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
1213perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir))
1214perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir))
1215STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
1216tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
1217
1218# If we install to $(HOME) we keep the traceevent default:
1219# $(HOME)/.traceevent/plugins
1220# Otherwise we install plugins into the global $(libdir).
1221ifdef DESTDIR
1222plugindir=$(libdir)/traceevent/plugins
1223plugindir_SQ= $(subst ','\'',$(plugindir))
1224endif
1225
1226print_var = $(eval $(print_var_code)) $(info $(MSG))
1227define print_var_code
1228 MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
1229endef
1230
1231ifeq ($(VF),1)
1232 # Display EXTRA features which are detected manualy
1233 # from here with feature_check call and thus cannot
1234 # be partof global state output.
1235 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),))
1236 $(call print_var,prefix)
1237 $(call print_var,bindir)
1238 $(call print_var,libdir)
1239 $(call print_var,sysconfdir)
1240 $(call print_var,LIBUNWIND_DIR)
1241 $(call print_var,LIBDW_DIR)
1242 $(call print_var,JDIR)
1243
1244 ifeq ($(dwarf-post-unwind),1)
1245 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
1246 endif
1247 $(info )
1248endif
1249
1250$(call detected_var,bindir_SQ)
1251$(call detected_var,PYTHON_WORD)
1252ifneq ($(OUTPUT),)
1253$(call detected_var,OUTPUT)
1254endif
1255$(call detected_var,htmldir_SQ)
1256$(call detected_var,infodir_SQ)
1257$(call detected_var,mandir_SQ)
1258$(call detected_var,ETC_PERFCONFIG_SQ)
1259$(call detected_var,STRACE_GROUPS_DIR_SQ)
1260$(call detected_var,prefix_SQ)
1261$(call detected_var,perfexecdir_SQ)
1262$(call detected_var,perf_include_dir_SQ)
1263$(call detected_var,perf_examples_dir_SQ)
1264$(call detected_var,tipdir_SQ)
1265$(call detected_var,srcdir_SQ)
1266$(call detected_var,LIBDIR)
1267$(call detected_var,GTK_CFLAGS)
1268$(call detected_var,PERL_EMBED_CCOPTS)
1269$(call detected_var,PYTHON_EMBED_CCOPTS)
1270ifneq ($(BISON_FILE_PREFIX_MAP),)
1271$(call detected_var,BISON_FILE_PREFIX_MAP)
1272endif
1273
1274# re-generate FEATURE-DUMP as we may have called feature_check, found out
1275# extra libraries to add to LDFLAGS of some other test and then redo those
1276# tests, see the block about libbfd, disassembler-four-args, for instance.
1277$(shell rm -f $(FEATURE_DUMP_FILENAME))
1278$(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME)))
1279
1280ifeq ($(feature_display),1)
1281 $(call feature_display_entries)
1282endif