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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
22# Enabled Wthread-safety analysis for clang builds.
23ifeq ($(CC_NO_CLANG), 0)
24 CFLAGS += -Wthread-safety
25endif
26
27include $(srctree)/tools/scripts/Makefile.arch
28
29$(call detected_var,SRCARCH)
30
31NO_PERF_REGS := 1
32
33ifneq ($(NO_SYSCALL_TABLE),1)
34 NO_SYSCALL_TABLE := 1
35
36 ifeq ($(SRCARCH),x86)
37 ifeq (${IS_64_BIT}, 1)
38 NO_SYSCALL_TABLE := 0
39 endif
40 else
41 ifeq ($(SRCARCH),$(filter $(SRCARCH),powerpc arm64 s390 mips loongarch))
42 NO_SYSCALL_TABLE := 0
43 endif
44 endif
45
46 ifneq ($(NO_SYSCALL_TABLE),1)
47 CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT
48 endif
49endif
50
51# Additional ARCH settings for ppc
52ifeq ($(SRCARCH),powerpc)
53 NO_PERF_REGS := 0
54 CFLAGS += -I$(OUTPUT)arch/powerpc/include/generated
55 LIBUNWIND_LIBS := -lunwind -lunwind-ppc64
56endif
57
58# Additional ARCH settings for x86
59ifeq ($(SRCARCH),x86)
60 $(call detected,CONFIG_X86)
61 ifeq (${IS_64_BIT}, 1)
62 CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT -I$(OUTPUT)arch/x86/include/generated
63 ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
64 LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind -llzma
65 $(call detected,CONFIG_X86_64)
66 else
67 LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind
68 endif
69 NO_PERF_REGS := 0
70endif
71
72ifeq ($(SRCARCH),arm)
73 NO_PERF_REGS := 0
74 LIBUNWIND_LIBS = -lunwind -lunwind-arm
75endif
76
77ifeq ($(SRCARCH),arm64)
78 NO_PERF_REGS := 0
79 CFLAGS += -I$(OUTPUT)arch/arm64/include/generated
80 LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
81endif
82
83ifeq ($(SRCARCH),loongarch)
84 NO_PERF_REGS := 0
85 CFLAGS += -I$(OUTPUT)arch/loongarch/include/generated
86 LIBUNWIND_LIBS = -lunwind -lunwind-loongarch64
87endif
88
89ifeq ($(SRCARCH),riscv)
90 NO_PERF_REGS := 0
91endif
92
93ifeq ($(SRCARCH),csky)
94 NO_PERF_REGS := 0
95endif
96
97ifeq ($(ARCH),s390)
98 NO_PERF_REGS := 0
99 CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated
100endif
101
102ifeq ($(ARCH),mips)
103 NO_PERF_REGS := 0
104 CFLAGS += -I$(OUTPUT)arch/mips/include/generated
105 LIBUNWIND_LIBS = -lunwind -lunwind-mips
106endif
107
108ifeq ($(NO_PERF_REGS),0)
109 $(call detected,CONFIG_PERF_REGS)
110endif
111
112# So far there's only x86 and arm libdw unwind support merged in perf.
113# Disable it on all other architectures in case libdw unwind
114# support is detected in system. Add supported architectures
115# to the check.
116ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390 csky riscv loongarch))
117 NO_LIBDW_DWARF_UNWIND := 1
118endif
119
120ifeq ($(LIBUNWIND_LIBS),)
121 NO_LIBUNWIND := 1
122endif
123#
124# For linking with debug library, run like:
125#
126# make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
127#
128
129libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
130define libunwind_arch_set_flags_code
131 FEATURE_CHECK_CFLAGS-libunwind-$(1) = -I$(LIBUNWIND_DIR)/include
132 FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
133endef
134
135ifdef LIBUNWIND_DIR
136 LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include
137 LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
138 LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64 loongarch
139 $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
140endif
141
142# Set per-feature check compilation flags
143FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
144FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
145FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
146FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
147
148FEATURE_CHECK_LDFLAGS-libunwind-arm += -lunwind -lunwind-arm
149FEATURE_CHECK_LDFLAGS-libunwind-aarch64 += -lunwind -lunwind-aarch64
150FEATURE_CHECK_LDFLAGS-libunwind-x86 += -lunwind -llzma -lunwind-x86
151FEATURE_CHECK_LDFLAGS-libunwind-x86_64 += -lunwind -llzma -lunwind-x86_64
152
153FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto
154
155ifdef CSINCLUDES
156 LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)
157endif
158OPENCSDLIBS := -lopencsd_c_api -lopencsd
159ifeq ($(findstring -static,${LDFLAGS}),-static)
160 OPENCSDLIBS += -lstdc++
161endif
162ifdef CSLIBS
163 LIBOPENCSD_LDFLAGS := -L$(CSLIBS)
164endif
165FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS)
166FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS)
167
168ifeq ($(NO_PERF_REGS),0)
169 CFLAGS += -DHAVE_PERF_REGS_SUPPORT
170endif
171
172# for linking with debug library, run like:
173# make DEBUG=1 LIBDW_DIR=/opt/libdw/
174ifdef LIBDW_DIR
175 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include
176 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
177endif
178DWARFLIBS := -ldw
179ifeq ($(findstring -static,${LDFLAGS}),-static)
180 DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2
181endif
182FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
183FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS)
184
185# for linking with debug library, run like:
186# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
187ifdef LIBBABELTRACE_DIR
188 LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include
189 LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
190endif
191FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
192FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
193
194ifdef LIBZSTD_DIR
195 LIBZSTD_CFLAGS := -I$(LIBZSTD_DIR)/lib
196 LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib
197endif
198FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS)
199FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS)
200
201FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi
202# include ARCH specific config
203-include $(src-perf)/arch/$(SRCARCH)/Makefile
204
205ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
206 CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
207endif
208
209include $(srctree)/tools/scripts/utilities.mak
210
211ifeq ($(call get-executable,$(FLEX)),)
212 dummy := $(error Error: $(FLEX) is missing on this system, please install it)
213endif
214
215ifeq ($(call get-executable,$(BISON)),)
216 dummy := $(error Error: $(BISON) is missing on this system, please install it)
217endif
218
219ifneq ($(OUTPUT),)
220 ifeq ($(shell expr $(shell $(BISON) --version | grep bison | sed -e 's/.\+ \([0-9]\+\).\([0-9]\+\).\([0-9]\+\)/\1\2\3/g') \>\= 371), 1)
221 BISON_FILE_PREFIX_MAP := --file-prefix-map=$(OUTPUT)=
222 endif
223endif
224
225# Treat warnings as errors unless directed not to
226ifneq ($(WERROR),0)
227 CORE_CFLAGS += -Werror
228 CXXFLAGS += -Werror
229 HOSTCFLAGS += -Werror
230endif
231
232ifndef DEBUG
233 DEBUG := 0
234endif
235
236ifeq ($(DEBUG),0)
237CORE_CFLAGS += -DNDEBUG=1
238ifeq ($(CC_NO_CLANG), 0)
239 CORE_CFLAGS += -O3
240else
241 CORE_CFLAGS += -O6
242endif
243else
244 CORE_CFLAGS += -g
245 CXXFLAGS += -g
246endif
247
248ifdef PARSER_DEBUG
249 PARSER_DEBUG_BISON := -t
250 PARSER_DEBUG_FLEX := -d
251 CFLAGS += -DPARSER_DEBUG
252 $(call detected_var,PARSER_DEBUG_BISON)
253 $(call detected_var,PARSER_DEBUG_FLEX)
254endif
255
256ifdef LTO
257 CORE_CFLAGS += -flto
258 CXXFLAGS += -flto
259endif
260
261# Try different combinations to accommodate systems that only have
262# python[2][3]-config in weird combinations in the following order of
263# priority from lowest to highest:
264# * python2-config as per pep-0394.
265# * python-config
266# * python3-config
267# * $(PYTHON)-config (If PYTHON is user supplied but PYTHON_CONFIG isn't)
268#
269PYTHON_AUTO := python-config
270PYTHON_AUTO := $(if $(call get-executable,python2-config),python2-config,$(PYTHON_AUTO))
271PYTHON_AUTO := $(if $(call get-executable,python-config),python-config,$(PYTHON_AUTO))
272PYTHON_AUTO := $(if $(call get-executable,python3-config),python3-config,$(PYTHON_AUTO))
273
274# If PYTHON is defined but PYTHON_CONFIG isn't, then take $(PYTHON)-config as if it was the user
275# supplied value for PYTHON_CONFIG. Because it's "user supplied", error out if it doesn't exist.
276ifdef PYTHON
277 ifndef PYTHON_CONFIG
278 PYTHON_CONFIG_AUTO := $(call get-executable,$(PYTHON)-config)
279 PYTHON_CONFIG := $(if $(PYTHON_CONFIG_AUTO),$(PYTHON_CONFIG_AUTO),\
280 $(call $(error $(PYTHON)-config not found)))
281 endif
282endif
283
284# Select either auto detected python and python-config or use user supplied values if they are
285# defined. get-executable-or-default fails with an error if the first argument is supplied but
286# doesn't exist.
287override PYTHON_CONFIG := $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON_AUTO))
288override PYTHON := $(call get-executable-or-default,PYTHON,$(subst -config,,$(PYTHON_CONFIG)))
289
290grep-libs = $(filter -l%,$(1))
291strip-libs = $(filter-out -l%,$(1))
292
293PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
294
295# Python 3.8 changed the output of `python-config --ldflags` to not include the
296# '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for
297# libpython fails if that flag is not included in LDFLAGS
298ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0)
299 PYTHON_CONFIG_LDFLAGS := --ldflags --embed
300else
301 PYTHON_CONFIG_LDFLAGS := --ldflags
302endif
303
304ifdef PYTHON_CONFIG
305 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) $(PYTHON_CONFIG_LDFLAGS) 2>/dev/null)
306 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
307 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
308 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null)
309 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
310 ifeq ($(CC_NO_CLANG), 0)
311 PYTHON_EMBED_CCOPTS := $(filter-out -ffat-lto-objects, $(PYTHON_EMBED_CCOPTS))
312 endif
313endif
314
315FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
316FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
317
318FEATURE_CHECK_LDFLAGS-libaio = -lrt
319
320FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes -ldl
321FEATURE_CHECK_LDFLAGS-disassembler-init-styled = -lbfd -lopcodes -ldl
322
323CORE_CFLAGS += -fno-omit-frame-pointer
324CORE_CFLAGS += -Wall
325CORE_CFLAGS += -Wextra
326CORE_CFLAGS += -std=gnu11
327
328CXXFLAGS += -std=gnu++17 -fno-exceptions -fno-rtti
329CXXFLAGS += -Wall
330CXXFLAGS += -Wextra
331CXXFLAGS += -fno-omit-frame-pointer
332
333HOSTCFLAGS += -Wall
334HOSTCFLAGS += -Wextra
335
336# Enforce a non-executable stack, as we may regress (again) in the future by
337# adding assembler files missing the .GNU-stack linker note.
338LDFLAGS += -Wl,-z,noexecstack
339
340EXTLIBS = -lpthread -lrt -lm -ldl
341
342ifneq ($(TCMALLOC),)
343 CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free
344 EXTLIBS += -ltcmalloc
345endif
346
347ifeq ($(FEATURES_DUMP),)
348# We will display at the end of this Makefile.config, using $(call feature_display_entries)
349# As we may retry some feature detection here, see the disassembler-four-args case, for instance
350 FEATURE_DISPLAY_DEFERRED := 1
351include $(srctree)/tools/build/Makefile.feature
352else
353include $(FEATURES_DUMP)
354endif
355
356ifeq ($(feature-stackprotector-all), 1)
357 CORE_CFLAGS += -fstack-protector-all
358endif
359
360ifeq ($(DEBUG),0)
361 ifeq ($(feature-fortify-source), 1)
362 CORE_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
363 endif
364endif
365
366INC_FLAGS += -I$(src-perf)/util/include
367INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
368INC_FLAGS += -I$(srctree)/tools/include/
369INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
370INC_FLAGS += -I$(srctree)/tools/include/uapi
371INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
372INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
373
374# $(obj-perf) for generated common-cmds.h
375# $(obj-perf)/util for generated bison/flex headers
376ifneq ($(OUTPUT),)
377INC_FLAGS += -I$(obj-perf)/util
378INC_FLAGS += -I$(obj-perf)
379endif
380
381INC_FLAGS += -I$(src-perf)/util
382INC_FLAGS += -I$(src-perf)
383
384CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
385
386CFLAGS += $(CORE_CFLAGS) $(INC_FLAGS)
387CXXFLAGS += $(INC_FLAGS)
388
389LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS)
390
391ifeq ($(feature-pthread-attr-setaffinity-np), 1)
392 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
393endif
394
395ifeq ($(feature-pthread-barrier), 1)
396 CFLAGS += -DHAVE_PTHREAD_BARRIER
397endif
398
399ifndef NO_BIONIC
400 $(call feature_check,bionic)
401 ifeq ($(feature-bionic), 1)
402 BIONIC := 1
403 CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE
404 CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE
405 EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
406 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
407 endif
408endif
409
410ifeq ($(feature-eventfd), 1)
411 CFLAGS += -DHAVE_EVENTFD_SUPPORT
412endif
413
414ifeq ($(feature-get_current_dir_name), 1)
415 CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME
416endif
417
418ifeq ($(feature-gettid), 1)
419 CFLAGS += -DHAVE_GETTID
420endif
421
422ifeq ($(feature-file-handle), 1)
423 CFLAGS += -DHAVE_FILE_HANDLE
424endif
425
426ifdef NO_LIBELF
427 NO_DWARF := 1
428 NO_LIBUNWIND := 1
429 NO_LIBDW_DWARF_UNWIND := 1
430 NO_LIBBPF := 1
431 NO_JVMTI := 1
432else
433 ifeq ($(feature-libelf), 0)
434 ifeq ($(feature-glibc), 1)
435 LIBC_SUPPORT := 1
436 endif
437 ifeq ($(BIONIC),1)
438 LIBC_SUPPORT := 1
439 endif
440 ifeq ($(LIBC_SUPPORT),1)
441 msg := $(error ERROR: No libelf found. Disables 'probe' tool, jvmti and BPF support. Please install libelf-dev, libelf-devel, elfutils-libelf-devel or build with NO_LIBELF=1.)
442 else
443 ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),)
444 ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0)
445 msg := $(error No libasan found, please install libasan);
446 endif
447 endif
448
449 ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),)
450 ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0)
451 msg := $(error No libubsan found, please install libubsan);
452 endif
453 endif
454
455 ifneq ($(filter s% -static%,$(LDFLAGS),),)
456 msg := $(error No static glibc found, please install glibc-static);
457 else
458 msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
459 endif
460 endif
461 else
462 ifndef NO_LIBDW_DWARF_UNWIND
463 ifneq ($(feature-libdw-dwarf-unwind),1)
464 NO_LIBDW_DWARF_UNWIND := 1
465 msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
466 endif
467 endif
468 ifneq ($(feature-dwarf), 1)
469 ifndef NO_DWARF
470 msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
471 NO_DWARF := 1
472 endif
473 else
474 ifneq ($(feature-dwarf_getlocations), 1)
475 msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
476 else
477 CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT
478 endif # dwarf_getlocations
479 ifneq ($(feature-dwarf_getcfi), 1)
480 msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.142);
481 else
482 CFLAGS += -DHAVE_DWARF_CFI_SUPPORT
483 endif # dwarf_getcfi
484 endif # Dwarf support
485 endif # libelf support
486endif # NO_LIBELF
487
488ifeq ($(feature-libaio), 1)
489 ifndef NO_AIO
490 CFLAGS += -DHAVE_AIO_SUPPORT
491 endif
492endif
493
494ifdef NO_DWARF
495 NO_LIBDW_DWARF_UNWIND := 1
496endif
497
498ifeq ($(feature-scandirat), 1)
499 CFLAGS += -DHAVE_SCANDIRAT_SUPPORT
500endif
501
502ifeq ($(feature-sched_getcpu), 1)
503 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
504endif
505
506ifeq ($(feature-setns), 1)
507 CFLAGS += -DHAVE_SETNS_SUPPORT
508 $(call detected,CONFIG_SETNS)
509endif
510
511ifdef CORESIGHT
512 $(call feature_check,libopencsd)
513 ifeq ($(feature-libopencsd), 1)
514 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
515 ifeq ($(feature-reallocarray), 0)
516 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
517 endif
518 LDFLAGS += $(LIBOPENCSD_LDFLAGS)
519 EXTLIBS += $(OPENCSDLIBS)
520 $(call detected,CONFIG_LIBOPENCSD)
521 ifdef CSTRACE_RAW
522 CFLAGS += -DCS_DEBUG_RAW
523 ifeq (${CSTRACE_RAW}, packed)
524 CFLAGS += -DCS_RAW_PACKED
525 endif
526 endif
527 else
528 dummy := $(error Error: No libopencsd library found or the version is not up-to-date. Please install recent libopencsd to build with CORESIGHT=1)
529 endif
530endif
531
532ifndef NO_ZLIB
533 ifeq ($(feature-zlib), 1)
534 CFLAGS += -DHAVE_ZLIB_SUPPORT
535 EXTLIBS += -lz
536 $(call detected,CONFIG_ZLIB)
537 else
538 NO_ZLIB := 1
539 endif
540endif
541
542ifndef NO_LIBELF
543 CFLAGS += -DHAVE_LIBELF_SUPPORT
544 EXTLIBS += -lelf
545 $(call detected,CONFIG_LIBELF)
546
547 ifeq ($(feature-libelf-getphdrnum), 1)
548 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
549 endif
550
551 ifeq ($(feature-libelf-gelf_getnote), 1)
552 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
553 else
554 msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
555 endif
556
557 ifeq ($(feature-libelf-getshdrstrndx), 1)
558 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
559 endif
560
561 ifndef NO_LIBDEBUGINFOD
562 $(call feature_check,libdebuginfod)
563 ifeq ($(feature-libdebuginfod), 1)
564 CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT
565 EXTLIBS += -ldebuginfod
566 endif
567 endif
568
569 ifndef NO_DWARF
570 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
571 msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
572 NO_DWARF := 1
573 else
574 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
575 LDFLAGS += $(LIBDW_LDFLAGS)
576 EXTLIBS += ${DWARFLIBS}
577 $(call detected,CONFIG_DWARF)
578 endif # PERF_HAVE_DWARF_REGS
579 endif # NO_DWARF
580
581 ifndef NO_LIBBPF
582 ifeq ($(feature-bpf), 1)
583 # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status
584 $(call feature_check,libbpf)
585
586 ifdef LIBBPF_DYNAMIC
587 ifeq ($(feature-libbpf), 1)
588 EXTLIBS += -lbpf
589 CFLAGS += -DHAVE_LIBBPF_SUPPORT
590 $(call detected,CONFIG_LIBBPF)
591 $(call detected,CONFIG_LIBBPF_DYNAMIC)
592 else
593 dummy := $(error Error: No libbpf devel library found or older than v1.0, please install/update libbpf-devel);
594 endif
595 else
596 ifeq ($(NO_ZLIB), 1)
597 dummy := $(warning Warning: Statically building libbpf not possible as zlib is missing)
598 NO_LIBBPF := 1
599 else
600 # Libbpf will be built as a static library from tools/lib/bpf.
601 LIBBPF_STATIC := 1
602 $(call detected,CONFIG_LIBBPF)
603 CFLAGS += -DHAVE_LIBBPF_SUPPORT
604 endif
605 endif
606 endif
607 endif # NO_LIBBPF
608endif # NO_LIBELF
609
610ifndef NO_SDT
611 ifneq ($(feature-sdt), 1)
612 msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
613 NO_SDT := 1;
614 else
615 CFLAGS += -DHAVE_SDT_EVENT
616 $(call detected,CONFIG_SDT_EVENT)
617 endif
618endif
619
620ifdef PERF_HAVE_JITDUMP
621 ifndef NO_LIBELF
622 $(call detected,CONFIG_JITDUMP)
623 CFLAGS += -DHAVE_JITDUMP
624 endif
625endif
626
627ifeq ($(SRCARCH),powerpc)
628 ifndef NO_DWARF
629 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
630 endif
631endif
632
633ifndef NO_LIBUNWIND
634 have_libunwind :=
635
636 $(call feature_check,libunwind-x86)
637 ifeq ($(feature-libunwind-x86), 1)
638 $(call detected,CONFIG_LIBUNWIND_X86)
639 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
640 LDFLAGS += -lunwind-x86
641 EXTLIBS_LIBUNWIND += -lunwind-x86
642 have_libunwind = 1
643 endif
644
645 $(call feature_check,libunwind-aarch64)
646 ifeq ($(feature-libunwind-aarch64), 1)
647 $(call detected,CONFIG_LIBUNWIND_AARCH64)
648 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
649 LDFLAGS += -lunwind-aarch64
650 EXTLIBS_LIBUNWIND += -lunwind-aarch64
651 have_libunwind = 1
652 $(call feature_check,libunwind-debug-frame-aarch64)
653 ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
654 msg := $(warning No debug_frame support found in libunwind-aarch64);
655 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
656 endif
657 endif
658
659 ifneq ($(feature-libunwind), 1)
660 msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
661 NO_LOCAL_LIBUNWIND := 1
662 else
663 have_libunwind := 1
664 $(call detected,CONFIG_LOCAL_LIBUNWIND)
665 endif
666
667 ifneq ($(have_libunwind), 1)
668 NO_LIBUNWIND := 1
669 endif
670else
671 NO_LOCAL_LIBUNWIND := 1
672endif
673
674ifndef NO_LIBBPF
675 ifneq ($(feature-bpf), 1)
676 msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
677 NO_LIBBPF := 1
678 endif
679endif
680
681ifndef BUILD_BPF_SKEL
682 # BPF skeletons control a large number of perf features, by default
683 # they are enabled.
684 BUILD_BPF_SKEL := 1
685endif
686
687ifeq ($(BUILD_BPF_SKEL),1)
688 ifeq ($(filter -DHAVE_LIBELF_SUPPORT, $(CFLAGS)),)
689 dummy := $(warning Warning: Disabled BPF skeletons as libelf is required by bpftool)
690 BUILD_BPF_SKEL := 0
691 else ifeq ($(filter -DHAVE_ZLIB_SUPPORT, $(CFLAGS)),)
692 dummy := $(warning Warning: Disabled BPF skeletons as zlib is required by bpftool)
693 BUILD_BPF_SKEL := 0
694 else ifeq ($(filter -DHAVE_LIBBPF_SUPPORT, $(CFLAGS)),)
695 dummy := $(warning Warning: Disabled BPF skeletons as libbpf is required)
696 BUILD_BPF_SKEL := 0
697 else ifeq ($(call get-executable,$(CLANG)),)
698 dummy := $(warning Warning: Disabled BPF skeletons as clang ($(CLANG)) is missing)
699 BUILD_BPF_SKEL := 0
700 else
701 CLANG_VERSION := $(shell $(CLANG) --version | head -1 | sed 's/.*clang version \([[:digit:]]\+.[[:digit:]]\+.[[:digit:]]\+\).*/\1/g')
702 ifeq ($(call version-lt3,$(CLANG_VERSION),12.0.1),1)
703 dummy := $(warning Warning: Disabled BPF skeletons as reliable BTF generation needs at least $(CLANG) version 12.0.1)
704 BUILD_BPF_SKEL := 0
705 endif
706 endif
707 ifeq ($(BUILD_BPF_SKEL),1)
708 $(call feature_check,clang-bpf-co-re)
709 ifeq ($(feature-clang-bpf-co-re), 0)
710 dummy := $(warning Warning: Disabled BPF skeletons as clang is too old)
711 BUILD_BPF_SKEL := 0
712 endif
713 endif
714 ifeq ($(BUILD_BPF_SKEL),1)
715 $(call detected,CONFIG_PERF_BPF_SKEL)
716 CFLAGS += -DHAVE_BPF_SKEL
717 endif
718endif
719
720ifndef GEN_VMLINUX_H
721 VMLINUX_H=$(src-perf)/util/bpf_skel/vmlinux/vmlinux.h
722endif
723
724dwarf-post-unwind := 1
725dwarf-post-unwind-text := BUG
726
727# setup DWARF post unwinder
728ifdef NO_LIBUNWIND
729 ifdef NO_LIBDW_DWARF_UNWIND
730 msg := $(warning Disabling post unwind, no support found.);
731 dwarf-post-unwind := 0
732 else
733 dwarf-post-unwind-text := libdw
734 $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
735 endif
736else
737 dwarf-post-unwind-text := libunwind
738 $(call detected,CONFIG_LIBUNWIND)
739 # Enable libunwind support by default.
740 ifndef NO_LIBDW_DWARF_UNWIND
741 NO_LIBDW_DWARF_UNWIND := 1
742 endif
743endif
744
745ifeq ($(dwarf-post-unwind),1)
746 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
747 $(call detected,CONFIG_DWARF_UNWIND)
748else
749 NO_DWARF_UNWIND := 1
750endif
751
752ifndef NO_LOCAL_LIBUNWIND
753 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
754 $(call feature_check,libunwind-debug-frame)
755 ifneq ($(feature-libunwind-debug-frame), 1)
756 msg := $(warning No debug_frame support found in libunwind);
757 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
758 endif
759 else
760 # non-ARM has no dwarf_find_debug_frame() function:
761 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
762 endif
763 EXTLIBS += $(LIBUNWIND_LIBS)
764 LDFLAGS += $(LIBUNWIND_LIBS)
765endif
766ifeq ($(findstring -static,${LDFLAGS}),-static)
767 # gcc -static links libgcc_eh which contans piece of libunwind
768 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
769endif
770
771ifndef NO_LIBUNWIND
772 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
773 CFLAGS += $(LIBUNWIND_CFLAGS)
774 LDFLAGS += $(LIBUNWIND_LDFLAGS)
775 EXTLIBS += $(EXTLIBS_LIBUNWIND)
776endif
777
778ifneq ($(NO_LIBTRACEEVENT),1)
779 ifeq ($(NO_SYSCALL_TABLE),0)
780 $(call detected,CONFIG_TRACE)
781 else
782 ifndef NO_LIBAUDIT
783 $(call feature_check,libaudit)
784 ifneq ($(feature-libaudit), 1)
785 msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
786 NO_LIBAUDIT := 1
787 else
788 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
789 EXTLIBS += -laudit
790 $(call detected,CONFIG_TRACE)
791 endif
792 endif
793 endif
794endif
795
796ifndef NO_LIBCRYPTO
797 ifneq ($(feature-libcrypto), 1)
798 msg := $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev);
799 NO_LIBCRYPTO := 1
800 else
801 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
802 EXTLIBS += -lcrypto
803 $(call detected,CONFIG_CRYPTO)
804 endif
805endif
806
807ifndef NO_SLANG
808 ifneq ($(feature-libslang), 1)
809 ifneq ($(feature-libslang-include-subdir), 1)
810 msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
811 NO_SLANG := 1
812 else
813 CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR
814 endif
815 endif
816 ifndef NO_SLANG
817 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
818 CFLAGS += -DHAVE_SLANG_SUPPORT
819 EXTLIBS += -lslang
820 $(call detected,CONFIG_SLANG)
821 endif
822endif
823
824ifdef GTK2
825 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
826 $(call feature_check,gtk2)
827 ifneq ($(feature-gtk2), 1)
828 msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
829 NO_GTK2 := 1
830 else
831 $(call feature_check,gtk2-infobar)
832 ifeq ($(feature-gtk2-infobar), 1)
833 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
834 endif
835 CFLAGS += -DHAVE_GTK2_SUPPORT
836 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
837 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
838 EXTLIBS += -ldl
839 endif
840endif
841
842ifdef NO_LIBPERL
843 CFLAGS += -DNO_LIBPERL
844else
845 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
846 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
847 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
848 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
849 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
850 PERL_EMBED_CCOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(PERL_EMBED_CCOPTS))
851 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
852 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
853
854 ifneq ($(feature-libperl), 1)
855 CFLAGS += -DNO_LIBPERL
856 NO_LIBPERL := 1
857 msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
858 else
859 LDFLAGS += $(PERL_EMBED_LDFLAGS)
860 EXTLIBS += $(PERL_EMBED_LIBADD)
861 CFLAGS += -DHAVE_LIBPERL_SUPPORT
862 ifeq ($(CC_NO_CLANG), 0)
863 CFLAGS += -Wno-compound-token-split-by-macro
864 endif
865 $(call detected,CONFIG_LIBPERL)
866 endif
867endif
868
869ifeq ($(feature-timerfd), 1)
870 CFLAGS += -DHAVE_TIMERFD_SUPPORT
871else
872 msg := $(warning No timerfd support. Disables 'perf kvm stat live');
873endif
874
875disable-python = $(eval $(disable-python_code))
876define disable-python_code
877 CFLAGS += -DNO_LIBPYTHON
878 $(warning $1)
879 NO_LIBPYTHON := 1
880endef
881
882PYTHON_EXTENSION_SUFFIX := '.so'
883ifdef NO_LIBPYTHON
884 $(call disable-python,Python support disabled by user)
885else
886
887 ifndef PYTHON
888 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
889 else
890 PYTHON_WORD := $(call shell-wordify,$(PYTHON))
891
892 ifndef PYTHON_CONFIG
893 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
894 else
895
896 ifneq ($(feature-libpython), 1)
897 $(call disable-python,No 'Python.h' was found: disables Python support - please install python-devel/python-dev)
898 else
899 LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
900 EXTLIBS += $(PYTHON_EMBED_LIBADD)
901 PYTHON_SETUPTOOLS_INSTALLED := $(shell $(PYTHON) -c 'import setuptools;' 2> /dev/null && echo "yes" || echo "no")
902 ifeq ($(PYTHON_SETUPTOOLS_INSTALLED), yes)
903 PYTHON_EXTENSION_SUFFIX := $(shell $(PYTHON) -c 'from importlib import machinery; print(machinery.EXTENSION_SUFFIXES[0])')
904 LANG_BINDINGS += $(obj-perf)python/perf$(PYTHON_EXTENSION_SUFFIX)
905 else
906 msg := $(warning Missing python setuptools, the python binding won't be built, please install python3-setuptools or equivalent);
907 endif
908 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
909 $(call detected,CONFIG_LIBPYTHON)
910 endif
911 endif
912 endif
913endif
914
915ifneq ($(NO_JEVENTS),1)
916 ifeq ($(wildcard pmu-events/arch/$(SRCARCH)/mapfile.csv),)
917 NO_JEVENTS := 1
918 endif
919endif
920ifneq ($(NO_JEVENTS),1)
921 NO_JEVENTS := 0
922 ifndef PYTHON
923 $(error ERROR: No python interpreter needed for jevents generation. Install python or build with NO_JEVENTS=1.)
924 else
925 # jevents.py uses f-strings present in Python 3.6 released in Dec. 2016.
926 JEVENTS_PYTHON_GOOD := $(shell $(PYTHON) -c 'import sys;print("1" if(sys.version_info.major >= 3 and sys.version_info.minor >= 6) else "0")' 2> /dev/null)
927 ifneq ($(JEVENTS_PYTHON_GOOD), 1)
928 $(error ERROR: Python interpreter needed for jevents generation too old (older than 3.6). Install a newer python or build with NO_JEVENTS=1.)
929 endif
930 endif
931endif
932
933ifdef BUILD_NONDISTRO
934 ifeq ($(feature-libbfd), 1)
935 EXTLIBS += -lbfd -lopcodes
936 else
937 # we are on a system that requires -liberty and (maybe) -lz
938 # to link against -lbfd; test each case individually here
939
940 # call all detections now so we get correct
941 # status in VF output
942 $(call feature_check,libbfd-liberty)
943 $(call feature_check,libbfd-liberty-z)
944
945 ifeq ($(feature-libbfd-liberty), 1)
946 EXTLIBS += -lbfd -lopcodes -liberty
947 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl
948 FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -ldl
949 else
950 ifeq ($(feature-libbfd-liberty-z), 1)
951 EXTLIBS += -lbfd -lopcodes -liberty -lz
952 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl
953 FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -lz -ldl
954 endif
955 endif
956 $(call feature_check,disassembler-four-args)
957 $(call feature_check,disassembler-init-styled)
958 endif
959
960 CFLAGS += -DHAVE_LIBBFD_SUPPORT
961 CXXFLAGS += -DHAVE_LIBBFD_SUPPORT
962 ifeq ($(feature-libbfd-buildid), 1)
963 CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT
964 else
965 msg := $(warning Old version of libbfd/binutils things like PE executable profiling will not be available);
966 endif
967endif
968
969ifndef NO_DEMANGLE
970 $(call feature_check,cxa-demangle)
971 ifeq ($(feature-cxa-demangle), 1)
972 EXTLIBS += -lstdc++
973 CFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT
974 CXXFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT
975 $(call detected,CONFIG_CXX_DEMANGLE)
976 endif
977 ifdef BUILD_NONDISTRO
978 ifeq ($(filter -liberty,$(EXTLIBS)),)
979 $(call feature_check,cplus-demangle)
980 ifeq ($(feature-cplus-demangle), 1)
981 EXTLIBS += -liberty
982 endif
983 endif
984 ifneq ($(filter -liberty,$(EXTLIBS)),)
985 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
986 CXXFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
987 endif
988 endif
989endif
990
991ifndef NO_LZMA
992 ifeq ($(feature-lzma), 1)
993 CFLAGS += -DHAVE_LZMA_SUPPORT
994 EXTLIBS += -llzma
995 $(call detected,CONFIG_LZMA)
996 else
997 msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
998 NO_LZMA := 1
999 endif
1000endif
1001
1002ifndef NO_LIBZSTD
1003 ifeq ($(feature-libzstd), 1)
1004 CFLAGS += -DHAVE_ZSTD_SUPPORT
1005 CFLAGS += $(LIBZSTD_CFLAGS)
1006 LDFLAGS += $(LIBZSTD_LDFLAGS)
1007 EXTLIBS += -lzstd
1008 $(call detected,CONFIG_ZSTD)
1009 else
1010 msg := $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR);
1011 NO_LIBZSTD := 1
1012 endif
1013endif
1014
1015ifndef NO_LIBCAP
1016 ifeq ($(feature-libcap), 1)
1017 CFLAGS += -DHAVE_LIBCAP_SUPPORT
1018 EXTLIBS += -lcap
1019 $(call detected,CONFIG_LIBCAP)
1020 else
1021 msg := $(warning No libcap found, disables capability support, please install libcap-devel/libcap-dev);
1022 NO_LIBCAP := 1
1023 endif
1024endif
1025
1026ifndef NO_BACKTRACE
1027 ifeq ($(feature-backtrace), 1)
1028 CFLAGS += -DHAVE_BACKTRACE_SUPPORT
1029 endif
1030endif
1031
1032ifndef NO_LIBNUMA
1033 ifeq ($(feature-libnuma), 0)
1034 msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
1035 NO_LIBNUMA := 1
1036 else
1037 ifeq ($(feature-numa_num_possible_cpus), 0)
1038 msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
1039 NO_LIBNUMA := 1
1040 else
1041 CFLAGS += -DHAVE_LIBNUMA_SUPPORT
1042 EXTLIBS += -lnuma
1043 $(call detected,CONFIG_NUMA)
1044 endif
1045 endif
1046endif
1047
1048ifdef HAVE_KVM_STAT_SUPPORT
1049 CFLAGS += -DHAVE_KVM_STAT_SUPPORT
1050endif
1051
1052ifeq ($(feature-disassembler-four-args), 1)
1053 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
1054endif
1055
1056ifeq ($(feature-disassembler-init-styled), 1)
1057 CFLAGS += -DDISASM_INIT_STYLED
1058endif
1059
1060ifeq (${IS_64_BIT}, 1)
1061 ifndef NO_PERF_READ_VDSO32
1062 $(call feature_check,compile-32)
1063 ifeq ($(feature-compile-32), 1)
1064 CFLAGS += -DHAVE_PERF_READ_VDSO32
1065 else
1066 NO_PERF_READ_VDSO32 := 1
1067 endif
1068 endif
1069 ifneq ($(SRCARCH), x86)
1070 NO_PERF_READ_VDSOX32 := 1
1071 endif
1072 ifndef NO_PERF_READ_VDSOX32
1073 $(call feature_check,compile-x32)
1074 ifeq ($(feature-compile-x32), 1)
1075 CFLAGS += -DHAVE_PERF_READ_VDSOX32
1076 else
1077 NO_PERF_READ_VDSOX32 := 1
1078 endif
1079 endif
1080else
1081 NO_PERF_READ_VDSO32 := 1
1082 NO_PERF_READ_VDSOX32 := 1
1083endif
1084
1085ifndef NO_LIBBABELTRACE
1086 $(call feature_check,libbabeltrace)
1087 ifeq ($(feature-libbabeltrace), 1)
1088 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
1089 LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
1090 EXTLIBS += -lbabeltrace-ctf
1091 $(call detected,CONFIG_LIBBABELTRACE)
1092 else
1093 msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
1094 endif
1095endif
1096
1097ifndef NO_AUXTRACE
1098 ifeq ($(SRCARCH),x86)
1099 ifeq ($(feature-get_cpuid), 0)
1100 msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
1101 NO_AUXTRACE := 1
1102 endif
1103 endif
1104 ifndef NO_AUXTRACE
1105 $(call detected,CONFIG_AUXTRACE)
1106 CFLAGS += -DHAVE_AUXTRACE_SUPPORT
1107 ifeq ($(feature-reallocarray), 0)
1108 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
1109 endif
1110 endif
1111endif
1112
1113ifdef EXTRA_TESTS
1114 $(call detected,CONFIG_EXTRA_TESTS)
1115 CFLAGS += -DHAVE_EXTRA_TESTS
1116endif
1117
1118ifndef NO_JVMTI
1119 ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
1120 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
1121 else
1122 ifneq (,$(wildcard /usr/sbin/alternatives))
1123 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g')
1124 endif
1125 endif
1126 ifndef JDIR
1127 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
1128 NO_JVMTI := 1
1129 endif
1130endif
1131
1132ifndef NO_JVMTI
1133 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
1134 $(call feature_check,jvmti)
1135 ifeq ($(feature-jvmti), 1)
1136 $(call detected_var,JDIR)
1137 ifndef NO_JVMTI_CMLR
1138 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti)
1139 $(call feature_check,jvmti-cmlr)
1140 ifeq ($(feature-jvmti-cmlr), 1)
1141 CFLAGS += -DHAVE_JVMTI_CMLR
1142 endif
1143 endif # NO_JVMTI_CMLR
1144 else
1145 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel)
1146 NO_JVMTI := 1
1147 endif
1148endif
1149
1150ifndef NO_LIBPFM4
1151 $(call feature_check,libpfm4)
1152 ifeq ($(feature-libpfm4), 1)
1153 CFLAGS += -DHAVE_LIBPFM
1154 EXTLIBS += -lpfm
1155 ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1
1156 $(call detected,CONFIG_LIBPFM4)
1157 else
1158 msg := $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev);
1159 endif
1160endif
1161
1162# libtraceevent is a recommended dependency picked up from the system.
1163ifneq ($(NO_LIBTRACEEVENT),1)
1164 $(call feature_check,libtraceevent)
1165 ifeq ($(feature-libtraceevent), 1)
1166 CFLAGS += -DHAVE_LIBTRACEEVENT
1167 EXTLIBS += -ltraceevent
1168 LIBTRACEEVENT_VERSION := $(shell $(PKG_CONFIG) --modversion libtraceevent)
1169 LIBTRACEEVENT_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEEVENT_VERSION)))
1170 LIBTRACEEVENT_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEEVENT_VERSION)))
1171 LIBTRACEEVENT_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEEVENT_VERSION)))
1172 LIBTRACEEVENT_VERSION_CPP := $(shell expr $(LIBTRACEEVENT_VERSION_1) \* 255 \* 255 + $(LIBTRACEEVENT_VERSION_2) \* 255 + $(LIBTRACEEVENT_VERSION_3))
1173 CFLAGS += -DLIBTRACEEVENT_VERSION=$(LIBTRACEEVENT_VERSION_CPP)
1174 $(call detected,CONFIG_LIBTRACEEVENT)
1175 else
1176 dummy := $(error ERROR: libtraceevent is missing. Please install libtraceevent-dev/libtraceevent-devel or build with NO_LIBTRACEEVENT=1)
1177 endif
1178
1179 $(call feature_check,libtracefs)
1180 ifeq ($(feature-libtracefs), 1)
1181 EXTLIBS += -ltracefs
1182 LIBTRACEFS_VERSION := $(shell $(PKG_CONFIG) --modversion libtracefs)
1183 LIBTRACEFS_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEFS_VERSION)))
1184 LIBTRACEFS_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEFS_VERSION)))
1185 LIBTRACEFS_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEFS_VERSION)))
1186 LIBTRACEFS_VERSION_CPP := $(shell expr $(LIBTRACEFS_VERSION_1) \* 255 \* 255 + $(LIBTRACEFS_VERSION_2) \* 255 + $(LIBTRACEFS_VERSION_3))
1187 CFLAGS += -DLIBTRACEFS_VERSION=$(LIBTRACEFS_VERSION_CPP)
1188 endif
1189endif
1190
1191# Among the variables below, these:
1192# perfexecdir
1193# libbpf_include_dir
1194# perf_examples_dir
1195# template_dir
1196# mandir
1197# infodir
1198# htmldir
1199# ETC_PERFCONFIG (but not sysconfdir)
1200# can be specified as a relative path some/where/else;
1201# this is interpreted as relative to $(prefix) and "perf" at
1202# runtime figures out where they are based on the path to the executable.
1203# This can help installing the suite in a relocatable way.
1204
1205# Make the path relative to DESTDIR, not to prefix
1206ifndef DESTDIR
1207prefix ?= $(HOME)
1208endif
1209bindir_relative = bin
1210bindir = $(abspath $(prefix)/$(bindir_relative))
1211includedir_relative = include
1212includedir = $(abspath $(prefix)/$(includedir_relative))
1213mandir = share/man
1214infodir = share/info
1215perfexecdir = libexec/perf-core
1216# FIXME: system's libbpf header directory, where we expect to find bpf/bpf_helpers.h, for instance
1217libbpf_include_dir = /usr/include
1218perf_examples_dir = lib/perf/examples
1219sharedir = $(prefix)/share
1220template_dir = share/perf-core/templates
1221STRACE_GROUPS_DIR = share/perf-core/strace/groups
1222htmldir = share/doc/perf-doc
1223tipdir = share/doc/perf-tip
1224srcdir = $(srctree)/tools/perf
1225ifeq ($(prefix),/usr)
1226sysconfdir = /etc
1227ETC_PERFCONFIG = $(sysconfdir)/perfconfig
1228else
1229sysconfdir = $(prefix)/etc
1230ETC_PERFCONFIG = etc/perfconfig
1231endif
1232ifndef lib
1233ifeq ($(SRCARCH)$(IS_64_BIT), x861)
1234lib = lib64
1235else
1236lib = lib
1237endif
1238endif # lib
1239libdir = $(prefix)/$(lib)
1240
1241# Shell quote (do not use $(call) to accommodate ancient setups);
1242ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
1243STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
1244DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
1245bindir_SQ = $(subst ','\'',$(bindir))
1246includedir_SQ = $(subst ','\'',$(includedir))
1247mandir_SQ = $(subst ','\'',$(mandir))
1248infodir_SQ = $(subst ','\'',$(infodir))
1249perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
1250libbpf_include_dir_SQ = $(subst ','\'',$(libbpf_include_dir))
1251perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir))
1252template_dir_SQ = $(subst ','\'',$(template_dir))
1253htmldir_SQ = $(subst ','\'',$(htmldir))
1254tipdir_SQ = $(subst ','\'',$(tipdir))
1255prefix_SQ = $(subst ','\'',$(prefix))
1256sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
1257libdir_SQ = $(subst ','\'',$(libdir))
1258srcdir_SQ = $(subst ','\'',$(srcdir))
1259
1260ifneq ($(filter /%,$(firstword $(perfexecdir))),)
1261perfexec_instdir = $(perfexecdir)
1262perf_include_instdir = $(libbpf_include_dir)
1263perf_examples_instdir = $(perf_examples_dir)
1264STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
1265tip_instdir = $(tipdir)
1266else
1267perfexec_instdir = $(prefix)/$(perfexecdir)
1268perf_include_instdir = $(prefix)/$(libbpf_include_dir)
1269perf_examples_instdir = $(prefix)/$(perf_examples_dir)
1270STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
1271tip_instdir = $(prefix)/$(tipdir)
1272endif
1273perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
1274perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir))
1275perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir))
1276STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
1277tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
1278
1279export perfexec_instdir_SQ
1280
1281print_var = $(eval $(print_var_code)) $(info $(MSG))
1282define print_var_code
1283 MSG = $(shell printf '...%40s: %s' $(1) $($(1)))
1284endef
1285
1286ifeq ($(feature_display),1)
1287 $(call feature_display_entries)
1288endif
1289
1290ifeq ($(VF),1)
1291 # Display EXTRA features which are detected manualy
1292 # from here with feature_check call and thus cannot
1293 # be partof global state output.
1294 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),) $(info $(MSG)))
1295 $(call print_var,prefix)
1296 $(call print_var,bindir)
1297 $(call print_var,libdir)
1298 $(call print_var,sysconfdir)
1299 $(call print_var,LIBUNWIND_DIR)
1300 $(call print_var,LIBDW_DIR)
1301 $(call print_var,JDIR)
1302
1303 ifeq ($(dwarf-post-unwind),1)
1304 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text)) $(info $(MSG))
1305 endif
1306endif
1307
1308$(info )
1309
1310$(call detected_var,bindir_SQ)
1311$(call detected_var,PYTHON_WORD)
1312ifneq ($(OUTPUT),)
1313$(call detected_var,OUTPUT)
1314endif
1315$(call detected_var,htmldir_SQ)
1316$(call detected_var,infodir_SQ)
1317$(call detected_var,mandir_SQ)
1318$(call detected_var,ETC_PERFCONFIG_SQ)
1319$(call detected_var,STRACE_GROUPS_DIR_SQ)
1320$(call detected_var,prefix_SQ)
1321$(call detected_var,perfexecdir_SQ)
1322$(call detected_var,libbpf_include_dir_SQ)
1323$(call detected_var,perf_examples_dir_SQ)
1324$(call detected_var,tipdir_SQ)
1325$(call detected_var,srcdir_SQ)
1326$(call detected_var,LIBDIR)
1327$(call detected_var,GTK_CFLAGS)
1328$(call detected_var,PERL_EMBED_CCOPTS)
1329$(call detected_var,PYTHON_EMBED_CCOPTS)
1330ifneq ($(BISON_FILE_PREFIX_MAP),)
1331$(call detected_var,BISON_FILE_PREFIX_MAP)
1332endif
1333
1334# re-generate FEATURE-DUMP as we may have called feature_check, found out
1335# extra libraries to add to LDFLAGS of some other test and then redo those
1336# tests, see the block about libbfd, disassembler-four-args, for instance.
1337$(shell rm -f $(FEATURE_DUMP_FILENAME))
1338$(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME)))