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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 $(SRCARCH),powerpc arm64 s390 mips))
42 NO_SYSCALL_TABLE := 0
43 endif
44 endif
45
46 ifneq ($(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 ($(SRCARCH),riscv)
84 NO_PERF_REGS := 0
85endif
86
87ifeq ($(SRCARCH),csky)
88 NO_PERF_REGS := 0
89endif
90
91ifeq ($(ARCH),s390)
92 NO_PERF_REGS := 0
93 CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated
94endif
95
96ifeq ($(ARCH),mips)
97 NO_PERF_REGS := 0
98 CFLAGS += -I$(OUTPUT)arch/mips/include/generated
99 LIBUNWIND_LIBS = -lunwind -lunwind-mips
100endif
101
102ifeq ($(NO_PERF_REGS),0)
103 $(call detected,CONFIG_PERF_REGS)
104endif
105
106# So far there's only x86 and arm libdw unwind support merged in perf.
107# Disable it on all other architectures in case libdw unwind
108# support is detected in system. Add supported architectures
109# to the check.
110ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390 csky riscv))
111 NO_LIBDW_DWARF_UNWIND := 1
112endif
113
114ifeq ($(LIBUNWIND_LIBS),)
115 NO_LIBUNWIND := 1
116endif
117#
118# For linking with debug library, run like:
119#
120# make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
121#
122
123libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
124define libunwind_arch_set_flags_code
125 FEATURE_CHECK_CFLAGS-libunwind-$(1) = -I$(LIBUNWIND_DIR)/include
126 FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
127endef
128
129ifdef LIBUNWIND_DIR
130 LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include
131 LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
132 LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64
133 $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
134endif
135
136# Set per-feature check compilation flags
137FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
138FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
139FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
140FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
141
142FEATURE_CHECK_LDFLAGS-libunwind-arm += -lunwind -lunwind-arm
143FEATURE_CHECK_LDFLAGS-libunwind-aarch64 += -lunwind -lunwind-aarch64
144FEATURE_CHECK_LDFLAGS-libunwind-x86 += -lunwind -llzma -lunwind-x86
145FEATURE_CHECK_LDFLAGS-libunwind-x86_64 += -lunwind -llzma -lunwind-x86_64
146
147FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto
148
149ifdef CSINCLUDES
150 LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)
151endif
152OPENCSDLIBS := -lopencsd_c_api
153ifeq ($(findstring -static,${LDFLAGS}),-static)
154 OPENCSDLIBS += -lopencsd -lstdc++
155endif
156ifdef CSLIBS
157 LIBOPENCSD_LDFLAGS := -L$(CSLIBS)
158endif
159FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS)
160FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS)
161
162ifeq ($(NO_PERF_REGS),0)
163 CFLAGS += -DHAVE_PERF_REGS_SUPPORT
164endif
165
166# for linking with debug library, run like:
167# make DEBUG=1 LIBDW_DIR=/opt/libdw/
168ifdef LIBDW_DIR
169 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include
170 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
171endif
172DWARFLIBS := -ldw
173ifeq ($(findstring -static,${LDFLAGS}),-static)
174 DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2
175endif
176FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
177FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS)
178
179# for linking with debug library, run like:
180# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
181ifdef LIBBABELTRACE_DIR
182 LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include
183 LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
184endif
185FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
186FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
187
188ifdef LIBZSTD_DIR
189 LIBZSTD_CFLAGS := -I$(LIBZSTD_DIR)/lib
190 LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib
191endif
192FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS)
193FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS)
194
195FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi
196# include ARCH specific config
197-include $(src-perf)/arch/$(SRCARCH)/Makefile
198
199ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
200 CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
201endif
202
203include $(srctree)/tools/scripts/utilities.mak
204
205ifeq ($(call get-executable,$(FLEX)),)
206 dummy := $(error Error: $(FLEX) is missing on this system, please install it)
207endif
208
209ifeq ($(call get-executable,$(BISON)),)
210 dummy := $(error Error: $(BISON) is missing on this system, please install it)
211endif
212
213ifneq ($(OUTPUT),)
214 ifeq ($(shell expr $(shell $(BISON) --version | grep bison | sed -e 's/.\+ \([0-9]\+\).\([0-9]\+\).\([0-9]\+\)/\1\2\3/g') \>\= 371), 1)
215 BISON_FILE_PREFIX_MAP := --file-prefix-map=$(OUTPUT)=
216 endif
217endif
218
219# Treat warnings as errors unless directed not to
220ifneq ($(WERROR),0)
221 CORE_CFLAGS += -Werror
222 CXXFLAGS += -Werror
223 HOSTCFLAGS += -Werror
224endif
225
226ifndef DEBUG
227 DEBUG := 0
228endif
229
230ifeq ($(DEBUG),0)
231ifeq ($(CC_NO_CLANG), 0)
232 CORE_CFLAGS += -O3
233else
234 CORE_CFLAGS += -O6
235endif
236endif
237
238ifdef PARSER_DEBUG
239 PARSER_DEBUG_BISON := -t
240 PARSER_DEBUG_FLEX := -d
241 CFLAGS += -DPARSER_DEBUG
242 $(call detected_var,PARSER_DEBUG_BISON)
243 $(call detected_var,PARSER_DEBUG_FLEX)
244endif
245
246# Try different combinations to accommodate systems that only have
247# python[2][3]-config in weird combinations in the following order of
248# priority from lowest to highest:
249# * python2-config as per pep-0394.
250# * python-config
251# * python3-config
252# * $(PYTHON)-config (If PYTHON is user supplied but PYTHON_CONFIG isn't)
253#
254PYTHON_AUTO := python-config
255PYTHON_AUTO := $(if $(call get-executable,python2-config),python2-config,$(PYTHON_AUTO))
256PYTHON_AUTO := $(if $(call get-executable,python-config),python-config,$(PYTHON_AUTO))
257PYTHON_AUTO := $(if $(call get-executable,python3-config),python3-config,$(PYTHON_AUTO))
258
259# If PYTHON is defined but PYTHON_CONFIG isn't, then take $(PYTHON)-config as if it was the user
260# supplied value for PYTHON_CONFIG. Because it's "user supplied", error out if it doesn't exist.
261ifdef PYTHON
262 ifndef PYTHON_CONFIG
263 PYTHON_CONFIG_AUTO := $(call get-executable,$(PYTHON)-config)
264 PYTHON_CONFIG := $(if $(PYTHON_CONFIG_AUTO),$(PYTHON_CONFIG_AUTO),\
265 $(call $(error $(PYTHON)-config not found)))
266 endif
267endif
268
269# Select either auto detected python and python-config or use user supplied values if they are
270# defined. get-executable-or-default fails with an error if the first argument is supplied but
271# doesn't exist.
272override PYTHON_CONFIG := $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON_AUTO))
273override PYTHON := $(call get-executable-or-default,PYTHON,$(subst -config,,$(PYTHON_CONFIG)))
274
275grep-libs = $(filter -l%,$(1))
276strip-libs = $(filter-out -l%,$(1))
277
278PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
279
280# Python 3.8 changed the output of `python-config --ldflags` to not include the
281# '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for
282# libpython fails if that flag is not included in LDFLAGS
283ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0)
284 PYTHON_CONFIG_LDFLAGS := --ldflags --embed
285else
286 PYTHON_CONFIG_LDFLAGS := --ldflags
287endif
288
289ifdef PYTHON_CONFIG
290 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) $(PYTHON_CONFIG_LDFLAGS) 2>/dev/null)
291 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
292 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
293 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null)
294 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
295 ifeq ($(CC_NO_CLANG), 0)
296 PYTHON_EMBED_CCOPTS := $(filter-out -ffat-lto-objects, $(PYTHON_EMBED_CCOPTS))
297 endif
298endif
299
300FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
301FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
302
303FEATURE_CHECK_LDFLAGS-libaio = -lrt
304
305CORE_CFLAGS += -fno-omit-frame-pointer
306CORE_CFLAGS += -ggdb3
307CORE_CFLAGS += -funwind-tables
308CORE_CFLAGS += -Wall
309CORE_CFLAGS += -Wextra
310CORE_CFLAGS += -std=gnu11
311
312CXXFLAGS += -std=gnu++14 -fno-exceptions -fno-rtti
313CXXFLAGS += -Wall
314CXXFLAGS += -fno-omit-frame-pointer
315CXXFLAGS += -ggdb3
316CXXFLAGS += -funwind-tables
317CXXFLAGS += -Wno-strict-aliasing
318
319HOSTCFLAGS += -Wall
320HOSTCFLAGS += -Wextra
321
322# Enforce a non-executable stack, as we may regress (again) in the future by
323# adding assembler files missing the .GNU-stack linker note.
324LDFLAGS += -Wl,-z,noexecstack
325
326EXTLIBS = -lpthread -lrt -lm -ldl
327
328ifneq ($(TCMALLOC),)
329 CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free
330 EXTLIBS += -ltcmalloc
331endif
332
333ifeq ($(FEATURES_DUMP),)
334# We will display at the end of this Makefile.config, using $(call feature_display_entries),
335# as we may retry some feature detection here.
336 FEATURE_DISPLAY_DEFERRED := 1
337include $(srctree)/tools/build/Makefile.feature
338else
339include $(FEATURES_DUMP)
340endif
341
342ifeq ($(feature-stackprotector-all), 1)
343 CORE_CFLAGS += -fstack-protector-all
344endif
345
346ifeq ($(DEBUG),0)
347 ifeq ($(feature-fortify-source), 1)
348 CORE_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
349 endif
350endif
351
352INC_FLAGS += -I$(src-perf)/util/include
353INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
354INC_FLAGS += -I$(srctree)/tools/include/
355INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
356INC_FLAGS += -I$(srctree)/tools/include/uapi
357INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
358INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
359
360# $(obj-perf) for generated common-cmds.h
361# $(obj-perf)/util for generated bison/flex headers
362ifneq ($(OUTPUT),)
363INC_FLAGS += -I$(obj-perf)/util
364INC_FLAGS += -I$(obj-perf)
365endif
366
367INC_FLAGS += -I$(src-perf)/util
368INC_FLAGS += -I$(src-perf)
369
370CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
371
372CFLAGS += $(CORE_CFLAGS) $(INC_FLAGS)
373CXXFLAGS += $(INC_FLAGS)
374
375LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS)
376
377ifeq ($(feature-pthread-attr-setaffinity-np), 1)
378 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
379endif
380
381ifeq ($(feature-pthread-barrier), 1)
382 CFLAGS += -DHAVE_PTHREAD_BARRIER
383endif
384
385ifndef NO_BIONIC
386 $(call feature_check,bionic)
387 ifeq ($(feature-bionic), 1)
388 BIONIC := 1
389 CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE
390 CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE
391 EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
392 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
393 endif
394endif
395
396ifeq ($(feature-eventfd), 1)
397 CFLAGS += -DHAVE_EVENTFD_SUPPORT
398endif
399
400ifeq ($(feature-get_current_dir_name), 1)
401 CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME
402endif
403
404ifeq ($(feature-gettid), 1)
405 CFLAGS += -DHAVE_GETTID
406endif
407
408ifeq ($(feature-file-handle), 1)
409 CFLAGS += -DHAVE_FILE_HANDLE
410endif
411
412ifdef NO_LIBELF
413 NO_DWARF := 1
414 NO_DEMANGLE := 1
415 NO_LIBUNWIND := 1
416 NO_LIBDW_DWARF_UNWIND := 1
417 NO_LIBBPF := 1
418 NO_JVMTI := 1
419else
420 ifeq ($(feature-libelf), 0)
421 ifeq ($(feature-glibc), 1)
422 LIBC_SUPPORT := 1
423 endif
424 ifeq ($(BIONIC),1)
425 LIBC_SUPPORT := 1
426 endif
427 ifeq ($(LIBC_SUPPORT),1)
428 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);
429
430 NO_LIBELF := 1
431 NO_DWARF := 1
432 NO_DEMANGLE := 1
433 NO_LIBUNWIND := 1
434 NO_LIBDW_DWARF_UNWIND := 1
435 NO_LIBBPF := 1
436 NO_JVMTI := 1
437 else
438 ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),)
439 ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0)
440 msg := $(error No libasan found, please install libasan);
441 endif
442 endif
443
444 ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),)
445 ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0)
446 msg := $(error No libubsan found, please install libubsan);
447 endif
448 endif
449
450 ifneq ($(filter s% -static%,$(LDFLAGS),),)
451 msg := $(error No static glibc found, please install glibc-static);
452 else
453 msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
454 endif
455 endif
456 else
457 ifndef NO_LIBDW_DWARF_UNWIND
458 ifneq ($(feature-libdw-dwarf-unwind),1)
459 NO_LIBDW_DWARF_UNWIND := 1
460 msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
461 endif
462 endif
463 ifneq ($(feature-dwarf), 1)
464 ifndef NO_DWARF
465 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);
466 NO_DWARF := 1
467 endif
468 else
469 ifneq ($(feature-dwarf_getlocations), 1)
470 msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
471 else
472 CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT
473 endif # dwarf_getlocations
474 endif # Dwarf support
475 endif # libelf support
476endif # NO_LIBELF
477
478ifeq ($(feature-glibc), 1)
479 CFLAGS += -DHAVE_GLIBC_SUPPORT
480endif
481
482ifeq ($(feature-libaio), 1)
483 ifndef NO_AIO
484 CFLAGS += -DHAVE_AIO_SUPPORT
485 endif
486endif
487
488ifdef NO_DWARF
489 NO_LIBDW_DWARF_UNWIND := 1
490endif
491
492ifeq ($(feature-sched_getcpu), 1)
493 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
494endif
495
496ifeq ($(feature-setns), 1)
497 CFLAGS += -DHAVE_SETNS_SUPPORT
498 $(call detected,CONFIG_SETNS)
499endif
500
501ifdef CORESIGHT
502 $(call feature_check,libopencsd)
503 ifeq ($(feature-libopencsd), 1)
504 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
505 ifeq ($(feature-reallocarray), 0)
506 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
507 endif
508 LDFLAGS += $(LIBOPENCSD_LDFLAGS)
509 EXTLIBS += $(OPENCSDLIBS)
510 $(call detected,CONFIG_LIBOPENCSD)
511 ifdef CSTRACE_RAW
512 CFLAGS += -DCS_DEBUG_RAW
513 ifeq (${CSTRACE_RAW}, packed)
514 CFLAGS += -DCS_RAW_PACKED
515 endif
516 endif
517 else
518 dummy := $(error Error: No libopencsd library found or the version is not up-to-date. Please install recent libopencsd to build with CORESIGHT=1)
519 endif
520endif
521
522ifndef NO_LIBELF
523 CFLAGS += -DHAVE_LIBELF_SUPPORT
524 EXTLIBS += -lelf
525 $(call detected,CONFIG_LIBELF)
526
527 ifeq ($(feature-libelf-getphdrnum), 1)
528 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
529 endif
530
531 ifeq ($(feature-libelf-gelf_getnote), 1)
532 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
533 else
534 msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
535 endif
536
537 ifeq ($(feature-libelf-getshdrstrndx), 1)
538 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
539 endif
540
541 ifndef NO_LIBDEBUGINFOD
542 $(call feature_check,libdebuginfod)
543 ifeq ($(feature-libdebuginfod), 1)
544 CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT
545 EXTLIBS += -ldebuginfod
546 endif
547 endif
548
549 ifndef NO_DWARF
550 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
551 msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
552 NO_DWARF := 1
553 else
554 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
555 LDFLAGS += $(LIBDW_LDFLAGS)
556 EXTLIBS += ${DWARFLIBS}
557 $(call detected,CONFIG_DWARF)
558 endif # PERF_HAVE_DWARF_REGS
559 endif # NO_DWARF
560
561 ifndef NO_LIBBPF
562 ifeq ($(feature-bpf), 1)
563 CFLAGS += -DHAVE_LIBBPF_SUPPORT
564 $(call detected,CONFIG_LIBBPF)
565
566 # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status
567 $(call feature_check,libbpf)
568 ifdef LIBBPF_DYNAMIC
569 ifeq ($(feature-libbpf), 1)
570 EXTLIBS += -lbpf
571 $(call detected,CONFIG_LIBBPF_DYNAMIC)
572
573 $(call feature_check,libbpf-btf__load_from_kernel_by_id)
574 ifeq ($(feature-libbpf-btf__load_from_kernel_by_id), 1)
575 CFLAGS += -DHAVE_LIBBPF_BTF__LOAD_FROM_KERNEL_BY_ID
576 endif
577 $(call feature_check,libbpf-bpf_prog_load)
578 ifeq ($(feature-libbpf-bpf_prog_load), 1)
579 CFLAGS += -DHAVE_LIBBPF_BPF_PROG_LOAD
580 endif
581 $(call feature_check,libbpf-bpf_object__next_program)
582 ifeq ($(feature-libbpf-bpf_object__next_program), 1)
583 CFLAGS += -DHAVE_LIBBPF_BPF_OBJECT__NEXT_PROGRAM
584 endif
585 $(call feature_check,libbpf-bpf_object__next_map)
586 ifeq ($(feature-libbpf-bpf_object__next_map), 1)
587 CFLAGS += -DHAVE_LIBBPF_BPF_OBJECT__NEXT_MAP
588 endif
589 $(call feature_check,libbpf-bpf_program__set_insns)
590 ifeq ($(feature-libbpf-bpf_program__set_insns), 1)
591 CFLAGS += -DHAVE_LIBBPF_BPF_PROGRAM__SET_INSNS
592 else
593 dummy := $(error Error: libbpf devel library needs to be >= 0.8.0 to build with LIBBPF_DYNAMIC, update or build statically with the version that comes with the kernel sources);
594 endif
595 $(call feature_check,libbpf-btf__raw_data)
596 ifeq ($(feature-libbpf-btf__raw_data), 1)
597 CFLAGS += -DHAVE_LIBBPF_BTF__RAW_DATA
598 endif
599 $(call feature_check,libbpf-bpf_map_create)
600 ifeq ($(feature-libbpf-bpf_map_create), 1)
601 CFLAGS += -DHAVE_LIBBPF_BPF_MAP_CREATE
602 endif
603 else
604 dummy := $(error Error: No libbpf devel library found, please install libbpf-devel);
605 endif
606 else
607 # Libbpf will be built as a static library from tools/lib/bpf.
608 LIBBPF_STATIC := 1
609 CFLAGS += -DHAVE_LIBBPF_BTF__LOAD_FROM_KERNEL_BY_ID
610 CFLAGS += -DHAVE_LIBBPF_BPF_PROG_LOAD
611 CFLAGS += -DHAVE_LIBBPF_BPF_OBJECT__NEXT_PROGRAM
612 CFLAGS += -DHAVE_LIBBPF_BPF_OBJECT__NEXT_MAP
613 CFLAGS += -DHAVE_LIBBPF_BPF_PROGRAM__SET_INSNS
614 CFLAGS += -DHAVE_LIBBPF_BTF__RAW_DATA
615 CFLAGS += -DHAVE_LIBBPF_BPF_MAP_CREATE
616 endif
617 endif
618
619 ifndef NO_DWARF
620 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
621 CFLAGS += -DHAVE_BPF_PROLOGUE
622 $(call detected,CONFIG_BPF_PROLOGUE)
623 else
624 msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset());
625 endif
626 else
627 msg := $(warning DWARF support is off, BPF prologue is disabled);
628 endif
629
630 endif # NO_LIBBPF
631endif # NO_LIBELF
632
633ifndef NO_SDT
634 ifneq ($(feature-sdt), 1)
635 msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
636 NO_SDT := 1;
637 else
638 CFLAGS += -DHAVE_SDT_EVENT
639 $(call detected,CONFIG_SDT_EVENT)
640 endif
641endif
642
643ifdef PERF_HAVE_JITDUMP
644 ifndef NO_LIBELF
645 $(call detected,CONFIG_JITDUMP)
646 CFLAGS += -DHAVE_JITDUMP
647 endif
648endif
649
650ifeq ($(SRCARCH),powerpc)
651 ifndef NO_DWARF
652 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
653 endif
654endif
655
656ifndef NO_LIBUNWIND
657 have_libunwind :=
658
659 $(call feature_check,libunwind-x86)
660 ifeq ($(feature-libunwind-x86), 1)
661 $(call detected,CONFIG_LIBUNWIND_X86)
662 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
663 LDFLAGS += -lunwind-x86
664 EXTLIBS_LIBUNWIND += -lunwind-x86
665 have_libunwind = 1
666 endif
667
668 $(call feature_check,libunwind-aarch64)
669 ifeq ($(feature-libunwind-aarch64), 1)
670 $(call detected,CONFIG_LIBUNWIND_AARCH64)
671 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
672 LDFLAGS += -lunwind-aarch64
673 EXTLIBS_LIBUNWIND += -lunwind-aarch64
674 have_libunwind = 1
675 $(call feature_check,libunwind-debug-frame-aarch64)
676 ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
677 msg := $(warning No debug_frame support found in libunwind-aarch64);
678 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
679 endif
680 endif
681
682 ifneq ($(feature-libunwind), 1)
683 msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
684 NO_LOCAL_LIBUNWIND := 1
685 else
686 have_libunwind := 1
687 $(call detected,CONFIG_LOCAL_LIBUNWIND)
688 endif
689
690 ifneq ($(have_libunwind), 1)
691 NO_LIBUNWIND := 1
692 endif
693else
694 NO_LOCAL_LIBUNWIND := 1
695endif
696
697ifndef NO_LIBBPF
698 ifneq ($(feature-bpf), 1)
699 msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
700 NO_LIBBPF := 1
701 endif
702endif
703
704ifdef BUILD_BPF_SKEL
705 $(call feature_check,clang-bpf-co-re)
706 ifeq ($(feature-clang-bpf-co-re), 0)
707 dummy := $(error Error: clang too old/not installed. Please install recent clang to build with BUILD_BPF_SKEL)
708 endif
709 ifeq ($(filter -DHAVE_LIBBPF_SUPPORT, $(CFLAGS)),)
710 dummy := $(error Error: BPF skeleton support requires libbpf)
711 endif
712 $(call detected,CONFIG_PERF_BPF_SKEL)
713 CFLAGS += -DHAVE_BPF_SKEL
714endif
715
716dwarf-post-unwind := 1
717dwarf-post-unwind-text := BUG
718
719# setup DWARF post unwinder
720ifdef NO_LIBUNWIND
721 ifdef NO_LIBDW_DWARF_UNWIND
722 msg := $(warning Disabling post unwind, no support found.);
723 dwarf-post-unwind := 0
724 else
725 dwarf-post-unwind-text := libdw
726 $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
727 endif
728else
729 dwarf-post-unwind-text := libunwind
730 $(call detected,CONFIG_LIBUNWIND)
731 # Enable libunwind support by default.
732 ifndef NO_LIBDW_DWARF_UNWIND
733 NO_LIBDW_DWARF_UNWIND := 1
734 endif
735endif
736
737ifeq ($(dwarf-post-unwind),1)
738 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
739 $(call detected,CONFIG_DWARF_UNWIND)
740else
741 NO_DWARF_UNWIND := 1
742endif
743
744ifndef NO_LOCAL_LIBUNWIND
745 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
746 $(call feature_check,libunwind-debug-frame)
747 ifneq ($(feature-libunwind-debug-frame), 1)
748 msg := $(warning No debug_frame support found in libunwind);
749 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
750 endif
751 else
752 # non-ARM has no dwarf_find_debug_frame() function:
753 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
754 endif
755 EXTLIBS += $(LIBUNWIND_LIBS)
756 LDFLAGS += $(LIBUNWIND_LIBS)
757endif
758ifeq ($(findstring -static,${LDFLAGS}),-static)
759 # gcc -static links libgcc_eh which contans piece of libunwind
760 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
761endif
762
763ifndef NO_LIBUNWIND
764 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
765 CFLAGS += $(LIBUNWIND_CFLAGS)
766 LDFLAGS += $(LIBUNWIND_LDFLAGS)
767 EXTLIBS += $(EXTLIBS_LIBUNWIND)
768endif
769
770ifneq ($(NO_LIBTRACEEVENT),1)
771 ifeq ($(NO_SYSCALL_TABLE),0)
772 $(call detected,CONFIG_TRACE)
773 else
774 ifndef NO_LIBAUDIT
775 $(call feature_check,libaudit)
776 ifneq ($(feature-libaudit), 1)
777 msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
778 NO_LIBAUDIT := 1
779 else
780 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
781 EXTLIBS += -laudit
782 $(call detected,CONFIG_TRACE)
783 endif
784 endif
785 endif
786endif
787
788ifndef NO_LIBCRYPTO
789 ifneq ($(feature-libcrypto), 1)
790 msg := $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev);
791 NO_LIBCRYPTO := 1
792 else
793 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
794 EXTLIBS += -lcrypto
795 $(call detected,CONFIG_CRYPTO)
796 endif
797endif
798
799ifdef NO_NEWT
800 NO_SLANG=1
801endif
802
803ifndef NO_SLANG
804 ifneq ($(feature-libslang), 1)
805 ifneq ($(feature-libslang-include-subdir), 1)
806 msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
807 NO_SLANG := 1
808 else
809 CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR
810 endif
811 endif
812 ifndef NO_SLANG
813 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
814 CFLAGS += -DHAVE_SLANG_SUPPORT
815 EXTLIBS += -lslang
816 $(call detected,CONFIG_SLANG)
817 endif
818endif
819
820ifdef GTK2
821 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
822 $(call feature_check,gtk2)
823 ifneq ($(feature-gtk2), 1)
824 msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
825 NO_GTK2 := 1
826 else
827 $(call feature_check,gtk2-infobar)
828 ifeq ($(feature-gtk2-infobar), 1)
829 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
830 endif
831 CFLAGS += -DHAVE_GTK2_SUPPORT
832 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
833 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
834 EXTLIBS += -ldl
835 endif
836endif
837
838ifdef NO_LIBPERL
839 CFLAGS += -DNO_LIBPERL
840else
841 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
842 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
843 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
844 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
845 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
846 PERL_EMBED_CCOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(PERL_EMBED_CCOPTS))
847 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
848 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
849
850 ifneq ($(feature-libperl), 1)
851 CFLAGS += -DNO_LIBPERL
852 NO_LIBPERL := 1
853 msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
854 else
855 LDFLAGS += $(PERL_EMBED_LDFLAGS)
856 EXTLIBS += $(PERL_EMBED_LIBADD)
857 CFLAGS += -DHAVE_LIBPERL_SUPPORT
858 ifeq ($(CC_NO_CLANG), 0)
859 CFLAGS += -Wno-compound-token-split-by-macro
860 endif
861 $(call detected,CONFIG_LIBPERL)
862 endif
863endif
864
865ifeq ($(feature-timerfd), 1)
866 CFLAGS += -DHAVE_TIMERFD_SUPPORT
867else
868 msg := $(warning No timerfd support. Disables 'perf kvm stat live');
869endif
870
871disable-python = $(eval $(disable-python_code))
872define disable-python_code
873 CFLAGS += -DNO_LIBPYTHON
874 $(warning $1)
875 NO_LIBPYTHON := 1
876endef
877
878PYTHON_EXTENSION_SUFFIX := '.so'
879ifdef NO_LIBPYTHON
880 $(call disable-python,Python support disabled by user)
881else
882
883 ifndef PYTHON
884 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
885 else
886 PYTHON_WORD := $(call shell-wordify,$(PYTHON))
887
888 ifndef PYTHON_CONFIG
889 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
890 else
891
892 ifneq ($(feature-libpython), 1)
893 $(call disable-python,No 'Python.h' was found: disables Python support - please install python-devel/python-dev)
894 else
895 LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
896 EXTLIBS += $(PYTHON_EMBED_LIBADD)
897 PYTHON_SETUPTOOLS_INSTALLED := $(shell $(PYTHON) -c 'import setuptools;' 2> /dev/null && echo "yes" || echo "no")
898 ifeq ($(PYTHON_SETUPTOOLS_INSTALLED), yes)
899 PYTHON_EXTENSION_SUFFIX := $(shell $(PYTHON) -c 'from importlib import machinery; print(machinery.EXTENSION_SUFFIXES[0])')
900 LANG_BINDINGS += $(obj-perf)python/perf$(PYTHON_EXTENSION_SUFFIX)
901 else
902 msg := $(warning Missing python setuptools, the python binding won't be built, please install python3-setuptools or equivalent);
903 endif
904 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
905 $(call detected,CONFIG_LIBPYTHON)
906 endif
907 endif
908 endif
909endif
910
911ifneq ($(NO_JEVENTS),1)
912 ifeq ($(wildcard pmu-events/arch/$(SRCARCH)/mapfile.csv),)
913 NO_JEVENTS := 1
914 endif
915endif
916ifneq ($(NO_JEVENTS),1)
917 NO_JEVENTS := 0
918 ifndef PYTHON
919 $(warning No python interpreter disabling jevent generation)
920 NO_JEVENTS := 1
921 else
922 # jevents.py uses f-strings present in Python 3.6 released in Dec. 2016.
923 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)
924 ifneq ($(JEVENTS_PYTHON_GOOD), 1)
925 $(warning Python interpreter too old (older than 3.6) disabling jevent generation)
926 NO_JEVENTS := 1
927 endif
928 endif
929endif
930
931ifndef NO_LIBBFD
932 ifeq ($(feature-libbfd), 1)
933 EXTLIBS += -lbfd -lopcodes
934 else
935 # we are on a system that requires -liberty and (maybe) -lz
936 # to link against -lbfd; test each case individually here
937
938 # call all detections now so we get correct
939 # status in VF output
940 $(call feature_check,libbfd-liberty)
941 $(call feature_check,libbfd-liberty-z)
942
943 ifeq ($(feature-libbfd-liberty), 1)
944 EXTLIBS += -lbfd -lopcodes -liberty
945 else
946 ifeq ($(feature-libbfd-liberty-z), 1)
947 EXTLIBS += -lbfd -lopcodes -liberty -lz
948 endif
949 endif
950 $(call feature_check,disassembler-four-args)
951 $(call feature_check,disassembler-init-styled)
952 endif
953
954 ifeq ($(feature-libbfd-buildid), 1)
955 CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT
956 else
957 msg := $(warning Old version of libbfd/binutils things like PE executable profiling will not be available);
958 endif
959endif
960
961ifdef NO_DEMANGLE
962 CFLAGS += -DNO_DEMANGLE
963else
964 ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
965 EXTLIBS += -liberty
966 else
967 ifeq ($(filter -liberty,$(EXTLIBS)),)
968 $(call feature_check,cplus-demangle)
969
970 # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
971 # or any of 'bfd iberty z' trinity
972 ifeq ($(feature-cplus-demangle), 1)
973 EXTLIBS += -liberty
974 else
975 msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
976 CFLAGS += -DNO_DEMANGLE
977 endif
978 endif
979 endif
980
981 ifneq ($(filter -liberty,$(EXTLIBS)),)
982 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
983 endif
984endif
985
986ifneq ($(filter -lbfd,$(EXTLIBS)),)
987 CFLAGS += -DHAVE_LIBBFD_SUPPORT
988endif
989
990ifndef NO_ZLIB
991 ifeq ($(feature-zlib), 1)
992 CFLAGS += -DHAVE_ZLIB_SUPPORT
993 EXTLIBS += -lz
994 $(call detected,CONFIG_ZLIB)
995 else
996 NO_ZLIB := 1
997 endif
998endif
999
1000ifndef NO_LZMA
1001 ifeq ($(feature-lzma), 1)
1002 CFLAGS += -DHAVE_LZMA_SUPPORT
1003 EXTLIBS += -llzma
1004 $(call detected,CONFIG_LZMA)
1005 else
1006 msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
1007 NO_LZMA := 1
1008 endif
1009endif
1010
1011ifndef NO_LIBZSTD
1012 ifeq ($(feature-libzstd), 1)
1013 CFLAGS += -DHAVE_ZSTD_SUPPORT
1014 CFLAGS += $(LIBZSTD_CFLAGS)
1015 LDFLAGS += $(LIBZSTD_LDFLAGS)
1016 EXTLIBS += -lzstd
1017 $(call detected,CONFIG_ZSTD)
1018 else
1019 msg := $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR);
1020 NO_LIBZSTD := 1
1021 endif
1022endif
1023
1024ifndef NO_LIBCAP
1025 ifeq ($(feature-libcap), 1)
1026 CFLAGS += -DHAVE_LIBCAP_SUPPORT
1027 EXTLIBS += -lcap
1028 $(call detected,CONFIG_LIBCAP)
1029 else
1030 msg := $(warning No libcap found, disables capability support, please install libcap-devel/libcap-dev);
1031 NO_LIBCAP := 1
1032 endif
1033endif
1034
1035ifndef NO_BACKTRACE
1036 ifeq ($(feature-backtrace), 1)
1037 CFLAGS += -DHAVE_BACKTRACE_SUPPORT
1038 endif
1039endif
1040
1041ifndef NO_LIBNUMA
1042 ifeq ($(feature-libnuma), 0)
1043 msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
1044 NO_LIBNUMA := 1
1045 else
1046 ifeq ($(feature-numa_num_possible_cpus), 0)
1047 msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
1048 NO_LIBNUMA := 1
1049 else
1050 CFLAGS += -DHAVE_LIBNUMA_SUPPORT
1051 EXTLIBS += -lnuma
1052 $(call detected,CONFIG_NUMA)
1053 endif
1054 endif
1055endif
1056
1057ifdef HAVE_KVM_STAT_SUPPORT
1058 CFLAGS += -DHAVE_KVM_STAT_SUPPORT
1059endif
1060
1061ifeq ($(feature-disassembler-four-args), 1)
1062 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
1063endif
1064
1065ifeq ($(feature-disassembler-init-styled), 1)
1066 CFLAGS += -DDISASM_INIT_STYLED
1067endif
1068
1069ifeq (${IS_64_BIT}, 1)
1070 ifndef NO_PERF_READ_VDSO32
1071 $(call feature_check,compile-32)
1072 ifeq ($(feature-compile-32), 1)
1073 CFLAGS += -DHAVE_PERF_READ_VDSO32
1074 else
1075 NO_PERF_READ_VDSO32 := 1
1076 endif
1077 endif
1078 ifneq ($(SRCARCH), x86)
1079 NO_PERF_READ_VDSOX32 := 1
1080 endif
1081 ifndef NO_PERF_READ_VDSOX32
1082 $(call feature_check,compile-x32)
1083 ifeq ($(feature-compile-x32), 1)
1084 CFLAGS += -DHAVE_PERF_READ_VDSOX32
1085 else
1086 NO_PERF_READ_VDSOX32 := 1
1087 endif
1088 endif
1089else
1090 NO_PERF_READ_VDSO32 := 1
1091 NO_PERF_READ_VDSOX32 := 1
1092endif
1093
1094ifndef NO_LIBBABELTRACE
1095 $(call feature_check,libbabeltrace)
1096 ifeq ($(feature-libbabeltrace), 1)
1097 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
1098 LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
1099 EXTLIBS += -lbabeltrace-ctf
1100 $(call detected,CONFIG_LIBBABELTRACE)
1101 else
1102 msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
1103 endif
1104endif
1105
1106ifndef NO_AUXTRACE
1107 ifeq ($(SRCARCH),x86)
1108 ifeq ($(feature-get_cpuid), 0)
1109 msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
1110 NO_AUXTRACE := 1
1111 endif
1112 endif
1113 ifndef NO_AUXTRACE
1114 $(call detected,CONFIG_AUXTRACE)
1115 CFLAGS += -DHAVE_AUXTRACE_SUPPORT
1116 ifeq ($(feature-reallocarray), 0)
1117 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
1118 endif
1119 endif
1120endif
1121
1122ifndef NO_JVMTI
1123 ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
1124 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
1125 else
1126 ifneq (,$(wildcard /usr/sbin/alternatives))
1127 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g')
1128 endif
1129 endif
1130 ifndef JDIR
1131 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
1132 NO_JVMTI := 1
1133 endif
1134endif
1135
1136ifndef NO_JVMTI
1137 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
1138 $(call feature_check,jvmti)
1139 ifeq ($(feature-jvmti), 1)
1140 $(call detected_var,JDIR)
1141 ifndef NO_JVMTI_CMLR
1142 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti)
1143 $(call feature_check,jvmti-cmlr)
1144 ifeq ($(feature-jvmti-cmlr), 1)
1145 CFLAGS += -DHAVE_JVMTI_CMLR
1146 endif
1147 endif # NO_JVMTI_CMLR
1148 else
1149 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel)
1150 NO_JVMTI := 1
1151 endif
1152endif
1153
1154USE_CXX = 0
1155USE_CLANGLLVM = 0
1156ifdef LIBCLANGLLVM
1157 $(call feature_check,cxx)
1158 ifneq ($(feature-cxx), 1)
1159 msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
1160 else
1161 $(call feature_check,llvm)
1162 $(call feature_check,llvm-version)
1163 ifneq ($(feature-llvm), 1)
1164 msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
1165 else
1166 $(call feature_check,clang)
1167 ifneq ($(feature-clang), 1)
1168 msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
1169 else
1170 CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
1171 CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
1172 $(call detected,CONFIG_CXX)
1173 $(call detected,CONFIG_CLANGLLVM)
1174 USE_CXX = 1
1175 USE_LLVM = 1
1176 USE_CLANG = 1
1177 ifneq ($(feature-llvm-version),1)
1178 msg := $(warning This version of LLVM is not tested. May cause build errors)
1179 endif
1180 endif
1181 endif
1182 endif
1183endif
1184
1185ifdef LIBPFM4
1186 $(call feature_check,libpfm4)
1187 ifeq ($(feature-libpfm4), 1)
1188 CFLAGS += -DHAVE_LIBPFM
1189 EXTLIBS += -lpfm
1190 ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1
1191 $(call detected,CONFIG_LIBPFM4)
1192 else
1193 msg := $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev);
1194 NO_LIBPFM4 := 1
1195 endif
1196endif
1197
1198# libtraceevent is a recommended dependency picked up from the system.
1199ifneq ($(NO_LIBTRACEEVENT),1)
1200 $(call feature_check,libtraceevent)
1201 ifeq ($(feature-libtraceevent), 1)
1202 CFLAGS += -DHAVE_LIBTRACEEVENT
1203 EXTLIBS += -ltraceevent
1204 LIBTRACEEVENT_VERSION := $(shell $(PKG_CONFIG) --modversion libtraceevent)
1205 LIBTRACEEVENT_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEEVENT_VERSION)))
1206 LIBTRACEEVENT_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEEVENT_VERSION)))
1207 LIBTRACEEVENT_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEEVENT_VERSION)))
1208 LIBTRACEEVENT_VERSION_CPP := $(shell expr $(LIBTRACEEVENT_VERSION_1) \* 255 \* 255 + $(LIBTRACEEVENT_VERSION_2) \* 255 + $(LIBTRACEEVENT_VERSION_3))
1209 CFLAGS += -DLIBTRACEEVENT_VERSION=$(LIBTRACEEVENT_VERSION_CPP)
1210 $(call detected,CONFIG_LIBTRACEEVENT)
1211 LIBTRACEEVENT_VERSION_WITH_TEP_FIELD_IS_RELATIVE := $(shell expr 1 \* 255 \* 255 + 5 \* 255 + 0) # 1.5.0
1212 ifeq ($(shell test $(LIBTRACEEVENT_VERSION_CPP) -gt $(LIBTRACEEVENT_VERSION_WITH_TEP_FIELD_IS_RELATIVE); echo $$?),0)
1213 CFLAGS += -DHAVE_LIBTRACEEVENT_TEP_FIELD_IS_RELATIVE
1214 endif
1215 else
1216 dummy := $(warning Warning: libtraceevent is missing limiting functionality, please install libtraceevent-dev/libtraceevent-devel)
1217 endif
1218
1219 $(call feature_check,libtracefs)
1220 ifeq ($(feature-libtracefs), 1)
1221 EXTLIBS += -ltracefs
1222 LIBTRACEFS_VERSION := $(shell $(PKG_CONFIG) --modversion libtracefs)
1223 LIBTRACEFS_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEFS_VERSION)))
1224 LIBTRACEFS_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEFS_VERSION)))
1225 LIBTRACEFS_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEFS_VERSION)))
1226 LIBTRACEFS_VERSION_CPP := $(shell expr $(LIBTRACEFS_VERSION_1) \* 255 \* 255 + $(LIBTRACEFS_VERSION_2) \* 255 + $(LIBTRACEFS_VERSION_3))
1227 CFLAGS += -DLIBTRACEFS_VERSION=$(LIBTRACEFS_VERSION_CPP)
1228 endif
1229endif
1230
1231# Among the variables below, these:
1232# perfexecdir
1233# libbpf_include_dir
1234# perf_examples_dir
1235# template_dir
1236# mandir
1237# infodir
1238# htmldir
1239# ETC_PERFCONFIG (but not sysconfdir)
1240# can be specified as a relative path some/where/else;
1241# this is interpreted as relative to $(prefix) and "perf" at
1242# runtime figures out where they are based on the path to the executable.
1243# This can help installing the suite in a relocatable way.
1244
1245# Make the path relative to DESTDIR, not to prefix
1246ifndef DESTDIR
1247prefix ?= $(HOME)
1248endif
1249bindir_relative = bin
1250bindir = $(abspath $(prefix)/$(bindir_relative))
1251includedir_relative = include
1252includedir = $(abspath $(prefix)/$(includedir_relative))
1253mandir = share/man
1254infodir = share/info
1255perfexecdir = libexec/perf-core
1256# FIXME: system's libbpf header directory, where we expect to find bpf/bpf_helpers.h, for instance
1257libbpf_include_dir = /usr/include
1258perf_examples_dir = lib/perf/examples
1259sharedir = $(prefix)/share
1260template_dir = share/perf-core/templates
1261STRACE_GROUPS_DIR = share/perf-core/strace/groups
1262htmldir = share/doc/perf-doc
1263tipdir = share/doc/perf-tip
1264srcdir = $(srctree)/tools/perf
1265ifeq ($(prefix),/usr)
1266sysconfdir = /etc
1267ETC_PERFCONFIG = $(sysconfdir)/perfconfig
1268else
1269sysconfdir = $(prefix)/etc
1270ETC_PERFCONFIG = etc/perfconfig
1271endif
1272ifndef lib
1273ifeq ($(SRCARCH)$(IS_64_BIT), x861)
1274lib = lib64
1275else
1276lib = lib
1277endif
1278endif # lib
1279libdir = $(prefix)/$(lib)
1280
1281# Shell quote (do not use $(call) to accommodate ancient setups);
1282ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
1283STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
1284DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
1285bindir_SQ = $(subst ','\'',$(bindir))
1286includedir_SQ = $(subst ','\'',$(includedir))
1287mandir_SQ = $(subst ','\'',$(mandir))
1288infodir_SQ = $(subst ','\'',$(infodir))
1289perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
1290libbpf_include_dir_SQ = $(subst ','\'',$(libbpf_include_dir))
1291perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir))
1292template_dir_SQ = $(subst ','\'',$(template_dir))
1293htmldir_SQ = $(subst ','\'',$(htmldir))
1294tipdir_SQ = $(subst ','\'',$(tipdir))
1295prefix_SQ = $(subst ','\'',$(prefix))
1296sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
1297libdir_SQ = $(subst ','\'',$(libdir))
1298srcdir_SQ = $(subst ','\'',$(srcdir))
1299
1300ifneq ($(filter /%,$(firstword $(perfexecdir))),)
1301perfexec_instdir = $(perfexecdir)
1302perf_include_instdir = $(libbpf_include_dir)
1303perf_examples_instdir = $(perf_examples_dir)
1304STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
1305tip_instdir = $(tipdir)
1306else
1307perfexec_instdir = $(prefix)/$(perfexecdir)
1308perf_include_instdir = $(prefix)/$(libbpf_include_dir)
1309perf_examples_instdir = $(prefix)/$(perf_examples_dir)
1310STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
1311tip_instdir = $(prefix)/$(tipdir)
1312endif
1313perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
1314perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir))
1315perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir))
1316STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
1317tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
1318
1319export perfexec_instdir_SQ
1320
1321print_var = $(eval $(print_var_code)) $(info $(MSG))
1322define print_var_code
1323 MSG = $(shell printf '...%40s: %s' $(1) $($(1)))
1324endef
1325
1326ifeq ($(feature_display),1)
1327 $(call feature_display_entries)
1328endif
1329
1330ifeq ($(VF),1)
1331 # Display EXTRA features which are detected manualy
1332 # from here with feature_check call and thus cannot
1333 # be partof global state output.
1334 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),) $(info $(MSG)))
1335 $(call print_var,prefix)
1336 $(call print_var,bindir)
1337 $(call print_var,libdir)
1338 $(call print_var,sysconfdir)
1339 $(call print_var,LIBUNWIND_DIR)
1340 $(call print_var,LIBDW_DIR)
1341 $(call print_var,JDIR)
1342
1343 ifeq ($(dwarf-post-unwind),1)
1344 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text)) $(info $(MSG))
1345 endif
1346endif
1347
1348$(info )
1349
1350$(call detected_var,bindir_SQ)
1351$(call detected_var,PYTHON_WORD)
1352ifneq ($(OUTPUT),)
1353$(call detected_var,OUTPUT)
1354endif
1355$(call detected_var,htmldir_SQ)
1356$(call detected_var,infodir_SQ)
1357$(call detected_var,mandir_SQ)
1358$(call detected_var,ETC_PERFCONFIG_SQ)
1359$(call detected_var,STRACE_GROUPS_DIR_SQ)
1360$(call detected_var,prefix_SQ)
1361$(call detected_var,perfexecdir_SQ)
1362$(call detected_var,libbpf_include_dir_SQ)
1363$(call detected_var,perf_examples_dir_SQ)
1364$(call detected_var,tipdir_SQ)
1365$(call detected_var,srcdir_SQ)
1366$(call detected_var,LIBDIR)
1367$(call detected_var,GTK_CFLAGS)
1368$(call detected_var,PERL_EMBED_CCOPTS)
1369$(call detected_var,PYTHON_EMBED_CCOPTS)
1370ifneq ($(BISON_FILE_PREFIX_MAP),)
1371$(call detected_var,BISON_FILE_PREFIX_MAP)
1372endif
1373
1374# re-generate FEATURE-DUMP as we may have called feature_check, found out
1375# extra libraries to add to LDFLAGS of some other test and then redo those
1376# tests.
1377$(shell rm -f $(FEATURE_DUMP_FILENAME))
1378$(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME)))
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) $(EXTRA_WARNINGS)
20
21include $(srctree)/tools/scripts/Makefile.arch
22
23$(call detected_var,SRCARCH)
24
25NO_PERF_REGS := 1
26
27ifneq ($(NO_SYSCALL_TABLE),1)
28 NO_SYSCALL_TABLE := 1
29
30 ifeq ($(SRCARCH),x86)
31 ifeq (${IS_64_BIT}, 1)
32 NO_SYSCALL_TABLE := 0
33 endif
34 else
35 ifeq ($(SRCARCH),$(filter $(SRCARCH),powerpc arm64 s390))
36 NO_SYSCALL_TABLE := 0
37 endif
38 endif
39
40 ifneq ($(NO_SYSCALL_TABLE),1)
41 CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT
42 endif
43endif
44
45# Additional ARCH settings for ppc
46ifeq ($(SRCARCH),powerpc)
47 NO_PERF_REGS := 0
48 CFLAGS += -I$(OUTPUT)arch/powerpc/include/generated
49 LIBUNWIND_LIBS := -lunwind -lunwind-ppc64
50endif
51
52# Additional ARCH settings for x86
53ifeq ($(SRCARCH),x86)
54 $(call detected,CONFIG_X86)
55 ifeq (${IS_64_BIT}, 1)
56 CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT -I$(OUTPUT)arch/x86/include/generated
57 ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
58 LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind -llzma
59 $(call detected,CONFIG_X86_64)
60 else
61 LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind
62 endif
63 NO_PERF_REGS := 0
64endif
65
66ifeq ($(SRCARCH),arm)
67 NO_PERF_REGS := 0
68 LIBUNWIND_LIBS = -lunwind -lunwind-arm
69endif
70
71ifeq ($(SRCARCH),arm64)
72 NO_PERF_REGS := 0
73 CFLAGS += -I$(OUTPUT)arch/arm64/include/generated
74 LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
75endif
76
77ifeq ($(SRCARCH),riscv)
78 NO_PERF_REGS := 0
79endif
80
81ifeq ($(SRCARCH),csky)
82 NO_PERF_REGS := 0
83endif
84
85ifeq ($(ARCH),s390)
86 NO_PERF_REGS := 0
87 CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated
88endif
89
90ifeq ($(NO_PERF_REGS),0)
91 $(call detected,CONFIG_PERF_REGS)
92endif
93
94# So far there's only x86 and arm libdw unwind support merged in perf.
95# Disable it on all other architectures in case libdw unwind
96# support is detected in system. Add supported architectures
97# to the check.
98ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390 csky riscv))
99 NO_LIBDW_DWARF_UNWIND := 1
100endif
101
102ifeq ($(LIBUNWIND_LIBS),)
103 NO_LIBUNWIND := 1
104endif
105#
106# For linking with debug library, run like:
107#
108# make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
109#
110
111libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
112define libunwind_arch_set_flags_code
113 FEATURE_CHECK_CFLAGS-libunwind-$(1) = -I$(LIBUNWIND_DIR)/include
114 FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
115endef
116
117ifdef LIBUNWIND_DIR
118 LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include
119 LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
120 LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64
121 $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
122endif
123
124# Set per-feature check compilation flags
125FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
126FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
127FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
128FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
129
130FEATURE_CHECK_LDFLAGS-libunwind-arm = -lunwind -lunwind-arm
131FEATURE_CHECK_LDFLAGS-libunwind-aarch64 = -lunwind -lunwind-aarch64
132FEATURE_CHECK_LDFLAGS-libunwind-x86 = -lunwind -llzma -lunwind-x86
133FEATURE_CHECK_LDFLAGS-libunwind-x86_64 = -lunwind -llzma -lunwind-x86_64
134
135FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto
136
137ifdef CSINCLUDES
138 LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)
139endif
140OPENCSDLIBS := -lopencsd_c_api -lopencsd
141ifdef CSLIBS
142 LIBOPENCSD_LDFLAGS := -L$(CSLIBS)
143endif
144FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS)
145FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS)
146
147ifeq ($(NO_PERF_REGS),0)
148 CFLAGS += -DHAVE_PERF_REGS_SUPPORT
149endif
150
151# for linking with debug library, run like:
152# make DEBUG=1 LIBDW_DIR=/opt/libdw/
153ifdef LIBDW_DIR
154 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include
155 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
156endif
157DWARFLIBS := -ldw
158ifeq ($(findstring -static,${LDFLAGS}),-static)
159 DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2
160endif
161FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
162FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS)
163
164# for linking with debug library, run like:
165# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
166ifdef LIBBABELTRACE_DIR
167 LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include
168 LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
169endif
170FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
171FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
172
173ifdef LIBZSTD_DIR
174 LIBZSTD_CFLAGS := -I$(LIBZSTD_DIR)/lib
175 LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib
176endif
177FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS)
178FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS)
179
180FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi
181# include ARCH specific config
182-include $(src-perf)/arch/$(SRCARCH)/Makefile
183
184ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
185 CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
186endif
187
188include $(srctree)/tools/scripts/utilities.mak
189
190ifeq ($(call get-executable,$(FLEX)),)
191 dummy := $(error Error: $(FLEX) is missing on this system, please install it)
192endif
193
194ifeq ($(call get-executable,$(BISON)),)
195 dummy := $(error Error: $(BISON) is missing on this system, please install it)
196endif
197
198# Treat warnings as errors unless directed not to
199ifneq ($(WERROR),0)
200 CORE_CFLAGS += -Werror
201 CXXFLAGS += -Werror
202endif
203
204ifndef DEBUG
205 DEBUG := 0
206endif
207
208ifeq ($(DEBUG),0)
209ifeq ($(CC_NO_CLANG), 0)
210 CORE_CFLAGS += -O3
211else
212 CORE_CFLAGS += -O6
213endif
214endif
215
216ifdef PARSER_DEBUG
217 PARSER_DEBUG_BISON := -t
218 PARSER_DEBUG_FLEX := -d
219 CFLAGS += -DPARSER_DEBUG
220 $(call detected_var,PARSER_DEBUG_BISON)
221 $(call detected_var,PARSER_DEBUG_FLEX)
222endif
223
224# Try different combinations to accommodate systems that only have
225# python[2][-config] in weird combinations but always preferring
226# python2 and python2-config as per pep-0394. If we catch a
227# python[-config] in version 3, the version check will kill it.
228PYTHON2 := $(if $(call get-executable,python2),python2,python)
229override PYTHON := $(call get-executable-or-default,PYTHON,$(PYTHON2))
230PYTHON2_CONFIG := \
231 $(if $(call get-executable,$(PYTHON)-config),$(PYTHON)-config,python-config)
232override PYTHON_CONFIG := \
233 $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON2_CONFIG))
234
235grep-libs = $(filter -l%,$(1))
236strip-libs = $(filter-out -l%,$(1))
237
238PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
239
240# Python 3.8 changed the output of `python-config --ldflags` to not include the
241# '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for
242# libpython fails if that flag is not included in LDFLAGS
243ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0)
244 PYTHON_CONFIG_LDFLAGS := --ldflags --embed
245else
246 PYTHON_CONFIG_LDFLAGS := --ldflags
247endif
248
249ifdef PYTHON_CONFIG
250 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) $(PYTHON_CONFIG_LDFLAGS) 2>/dev/null)
251 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
252 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
253 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null)
254 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
255endif
256
257FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
258FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
259FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
260FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
261
262FEATURE_CHECK_LDFLAGS-libaio = -lrt
263
264FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes -ldl
265
266CORE_CFLAGS += -fno-omit-frame-pointer
267CORE_CFLAGS += -ggdb3
268CORE_CFLAGS += -funwind-tables
269CORE_CFLAGS += -Wall
270CORE_CFLAGS += -Wextra
271CORE_CFLAGS += -std=gnu99
272
273CXXFLAGS += -std=gnu++11 -fno-exceptions -fno-rtti
274CXXFLAGS += -Wall
275CXXFLAGS += -fno-omit-frame-pointer
276CXXFLAGS += -ggdb3
277CXXFLAGS += -funwind-tables
278CXXFLAGS += -Wno-strict-aliasing
279
280# Enforce a non-executable stack, as we may regress (again) in the future by
281# adding assembler files missing the .GNU-stack linker note.
282LDFLAGS += -Wl,-z,noexecstack
283
284EXTLIBS = -lpthread -lrt -lm -ldl
285
286ifneq ($(TCMALLOC),)
287 CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free
288 EXTLIBS += -ltcmalloc
289endif
290
291ifeq ($(FEATURES_DUMP),)
292include $(srctree)/tools/build/Makefile.feature
293else
294include $(FEATURES_DUMP)
295endif
296
297ifeq ($(feature-stackprotector-all), 1)
298 CORE_CFLAGS += -fstack-protector-all
299endif
300
301ifeq ($(DEBUG),0)
302 ifeq ($(feature-fortify-source), 1)
303 CORE_CFLAGS += -D_FORTIFY_SOURCE=2
304 endif
305endif
306
307INC_FLAGS += -I$(srctree)/tools/lib/perf/include
308INC_FLAGS += -I$(src-perf)/util/include
309INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
310INC_FLAGS += -I$(srctree)/tools/include/
311INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
312INC_FLAGS += -I$(srctree)/tools/include/uapi
313INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
314INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
315
316# $(obj-perf) for generated common-cmds.h
317# $(obj-perf)/util for generated bison/flex headers
318ifneq ($(OUTPUT),)
319INC_FLAGS += -I$(obj-perf)/util
320INC_FLAGS += -I$(obj-perf)
321endif
322
323INC_FLAGS += -I$(src-perf)/util
324INC_FLAGS += -I$(src-perf)
325INC_FLAGS += -I$(srctree)/tools/lib/
326
327CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
328
329CFLAGS += $(CORE_CFLAGS) $(INC_FLAGS)
330CXXFLAGS += $(INC_FLAGS)
331
332LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS)
333
334ifeq ($(feature-sync-compare-and-swap), 1)
335 CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
336endif
337
338ifeq ($(feature-pthread-attr-setaffinity-np), 1)
339 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
340endif
341
342ifeq ($(feature-pthread-barrier), 1)
343 CFLAGS += -DHAVE_PTHREAD_BARRIER
344endif
345
346ifndef NO_BIONIC
347 $(call feature_check,bionic)
348 ifeq ($(feature-bionic), 1)
349 BIONIC := 1
350 CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE
351 CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE
352 EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
353 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
354 endif
355endif
356
357ifeq ($(feature-eventfd), 1)
358 CFLAGS += -DHAVE_EVENTFD_SUPPORT
359endif
360
361ifeq ($(feature-get_current_dir_name), 1)
362 CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME
363endif
364
365ifeq ($(feature-gettid), 1)
366 CFLAGS += -DHAVE_GETTID
367endif
368
369ifeq ($(feature-file-handle), 1)
370 CFLAGS += -DHAVE_FILE_HANDLE
371endif
372
373ifdef NO_LIBELF
374 NO_DWARF := 1
375 NO_DEMANGLE := 1
376 NO_LIBUNWIND := 1
377 NO_LIBDW_DWARF_UNWIND := 1
378 NO_LIBBPF := 1
379 NO_JVMTI := 1
380else
381 ifeq ($(feature-libelf), 0)
382 ifeq ($(feature-glibc), 1)
383 LIBC_SUPPORT := 1
384 endif
385 ifeq ($(BIONIC),1)
386 LIBC_SUPPORT := 1
387 endif
388 ifeq ($(LIBC_SUPPORT),1)
389 msg := $(warning No libelf found. Disables 'probe' tool, jvmti and BPF support in 'perf record'. Please install libelf-dev, libelf-devel or elfutils-libelf-devel);
390
391 NO_LIBELF := 1
392 NO_DWARF := 1
393 NO_DEMANGLE := 1
394 NO_LIBUNWIND := 1
395 NO_LIBDW_DWARF_UNWIND := 1
396 NO_LIBBPF := 1
397 NO_JVMTI := 1
398 else
399 ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),)
400 ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0)
401 msg := $(error No libasan found, please install libasan);
402 endif
403 endif
404
405 ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),)
406 ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0)
407 msg := $(error No libubsan found, please install libubsan);
408 endif
409 endif
410
411 ifneq ($(filter s% -static%,$(LDFLAGS),),)
412 msg := $(error No static glibc found, please install glibc-static);
413 else
414 msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
415 endif
416 endif
417 else
418 ifndef NO_LIBDW_DWARF_UNWIND
419 ifneq ($(feature-libdw-dwarf-unwind),1)
420 NO_LIBDW_DWARF_UNWIND := 1
421 msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
422 endif
423 endif
424 ifneq ($(feature-dwarf), 1)
425 ifndef NO_DWARF
426 msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
427 NO_DWARF := 1
428 endif
429 else
430 ifneq ($(feature-dwarf_getlocations), 1)
431 msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
432 else
433 CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT
434 endif # dwarf_getlocations
435 endif # Dwarf support
436 endif # libelf support
437endif # NO_LIBELF
438
439ifeq ($(feature-glibc), 1)
440 CFLAGS += -DHAVE_GLIBC_SUPPORT
441endif
442
443ifeq ($(feature-libaio), 1)
444 ifndef NO_AIO
445 CFLAGS += -DHAVE_AIO_SUPPORT
446 endif
447endif
448
449ifdef NO_DWARF
450 NO_LIBDW_DWARF_UNWIND := 1
451endif
452
453ifeq ($(feature-sched_getcpu), 1)
454 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
455endif
456
457ifeq ($(feature-setns), 1)
458 CFLAGS += -DHAVE_SETNS_SUPPORT
459 $(call detected,CONFIG_SETNS)
460endif
461
462ifdef CORESIGHT
463 $(call feature_check,libopencsd)
464 ifeq ($(feature-libopencsd), 1)
465 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
466 ifeq ($(feature-reallocarray), 0)
467 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
468 endif
469 LDFLAGS += $(LIBOPENCSD_LDFLAGS)
470 EXTLIBS += $(OPENCSDLIBS)
471 $(call detected,CONFIG_LIBOPENCSD)
472 ifdef CSTRACE_RAW
473 CFLAGS += -DCS_DEBUG_RAW
474 ifeq (${CSTRACE_RAW}, packed)
475 CFLAGS += -DCS_RAW_PACKED
476 endif
477 endif
478 endif
479endif
480
481ifndef NO_LIBELF
482 CFLAGS += -DHAVE_LIBELF_SUPPORT
483 EXTLIBS += -lelf
484 $(call detected,CONFIG_LIBELF)
485
486 ifeq ($(feature-libelf-mmap), 1)
487 CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
488 endif
489
490 ifeq ($(feature-libelf-getphdrnum), 1)
491 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
492 endif
493
494 ifeq ($(feature-libelf-gelf_getnote), 1)
495 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
496 else
497 msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
498 endif
499
500 ifeq ($(feature-libelf-getshdrstrndx), 1)
501 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
502 endif
503
504 ifndef NO_LIBDEBUGINFOD
505 $(call feature_check,libdebuginfod)
506 ifeq ($(feature-libdebuginfod), 1)
507 CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT
508 EXTLIBS += -ldebuginfod
509 endif
510 endif
511
512 ifndef NO_DWARF
513 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
514 msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
515 NO_DWARF := 1
516 else
517 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
518 LDFLAGS += $(LIBDW_LDFLAGS)
519 EXTLIBS += ${DWARFLIBS}
520 $(call detected,CONFIG_DWARF)
521 endif # PERF_HAVE_DWARF_REGS
522 endif # NO_DWARF
523
524 ifndef NO_LIBBPF
525 ifeq ($(feature-bpf), 1)
526 CFLAGS += -DHAVE_LIBBPF_SUPPORT
527 $(call detected,CONFIG_LIBBPF)
528
529 # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status
530 $(call feature_check,libbpf)
531 ifdef LIBBPF_DYNAMIC
532 ifeq ($(feature-libbpf), 1)
533 EXTLIBS += -lbpf
534 else
535 dummy := $(error Error: No libbpf devel library found, please install libbpf-devel);
536 endif
537 endif
538 endif
539
540 ifndef NO_DWARF
541 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
542 CFLAGS += -DHAVE_BPF_PROLOGUE
543 $(call detected,CONFIG_BPF_PROLOGUE)
544 else
545 msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset());
546 endif
547 else
548 msg := $(warning DWARF support is off, BPF prologue is disabled);
549 endif
550
551 endif # NO_LIBBPF
552endif # NO_LIBELF
553
554ifndef NO_SDT
555 ifneq ($(feature-sdt), 1)
556 msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
557 NO_SDT := 1;
558 else
559 CFLAGS += -DHAVE_SDT_EVENT
560 $(call detected,CONFIG_SDT_EVENT)
561 endif
562endif
563
564ifdef PERF_HAVE_JITDUMP
565 ifndef NO_LIBELF
566 $(call detected,CONFIG_JITDUMP)
567 CFLAGS += -DHAVE_JITDUMP
568 endif
569endif
570
571ifeq ($(SRCARCH),powerpc)
572 ifndef NO_DWARF
573 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
574 endif
575endif
576
577ifndef NO_LIBUNWIND
578 have_libunwind :=
579
580 $(call feature_check,libunwind-x86)
581 ifeq ($(feature-libunwind-x86), 1)
582 $(call detected,CONFIG_LIBUNWIND_X86)
583 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
584 LDFLAGS += -lunwind-x86
585 EXTLIBS_LIBUNWIND += -lunwind-x86
586 have_libunwind = 1
587 endif
588
589 $(call feature_check,libunwind-aarch64)
590 ifeq ($(feature-libunwind-aarch64), 1)
591 $(call detected,CONFIG_LIBUNWIND_AARCH64)
592 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
593 LDFLAGS += -lunwind-aarch64
594 EXTLIBS_LIBUNWIND += -lunwind-aarch64
595 have_libunwind = 1
596 $(call feature_check,libunwind-debug-frame-aarch64)
597 ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
598 msg := $(warning No debug_frame support found in libunwind-aarch64);
599 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
600 endif
601 endif
602
603 ifneq ($(feature-libunwind), 1)
604 msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
605 NO_LOCAL_LIBUNWIND := 1
606 else
607 have_libunwind := 1
608 $(call detected,CONFIG_LOCAL_LIBUNWIND)
609 endif
610
611 ifneq ($(have_libunwind), 1)
612 NO_LIBUNWIND := 1
613 endif
614else
615 NO_LOCAL_LIBUNWIND := 1
616endif
617
618ifndef NO_LIBBPF
619 ifneq ($(feature-bpf), 1)
620 msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
621 NO_LIBBPF := 1
622 endif
623endif
624
625dwarf-post-unwind := 1
626dwarf-post-unwind-text := BUG
627
628# setup DWARF post unwinder
629ifdef NO_LIBUNWIND
630 ifdef NO_LIBDW_DWARF_UNWIND
631 msg := $(warning Disabling post unwind, no support found.);
632 dwarf-post-unwind := 0
633 else
634 dwarf-post-unwind-text := libdw
635 $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
636 endif
637else
638 dwarf-post-unwind-text := libunwind
639 $(call detected,CONFIG_LIBUNWIND)
640 # Enable libunwind support by default.
641 ifndef NO_LIBDW_DWARF_UNWIND
642 NO_LIBDW_DWARF_UNWIND := 1
643 endif
644endif
645
646ifeq ($(dwarf-post-unwind),1)
647 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
648 $(call detected,CONFIG_DWARF_UNWIND)
649else
650 NO_DWARF_UNWIND := 1
651endif
652
653ifndef NO_LOCAL_LIBUNWIND
654 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
655 $(call feature_check,libunwind-debug-frame)
656 ifneq ($(feature-libunwind-debug-frame), 1)
657 msg := $(warning No debug_frame support found in libunwind);
658 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
659 endif
660 else
661 # non-ARM has no dwarf_find_debug_frame() function:
662 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
663 endif
664 EXTLIBS += $(LIBUNWIND_LIBS)
665 LDFLAGS += $(LIBUNWIND_LIBS)
666endif
667ifeq ($(findstring -static,${LDFLAGS}),-static)
668 # gcc -static links libgcc_eh which contans piece of libunwind
669 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
670endif
671
672ifndef NO_LIBUNWIND
673 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
674 CFLAGS += $(LIBUNWIND_CFLAGS)
675 LDFLAGS += $(LIBUNWIND_LDFLAGS)
676 EXTLIBS += $(EXTLIBS_LIBUNWIND)
677endif
678
679ifeq ($(NO_SYSCALL_TABLE),0)
680 $(call detected,CONFIG_TRACE)
681else
682 ifndef NO_LIBAUDIT
683 $(call feature_check,libaudit)
684 ifneq ($(feature-libaudit), 1)
685 msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
686 NO_LIBAUDIT := 1
687 else
688 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
689 EXTLIBS += -laudit
690 $(call detected,CONFIG_TRACE)
691 endif
692 endif
693endif
694
695ifndef NO_LIBCRYPTO
696 ifneq ($(feature-libcrypto), 1)
697 msg := $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev);
698 NO_LIBCRYPTO := 1
699 else
700 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
701 EXTLIBS += -lcrypto
702 $(call detected,CONFIG_CRYPTO)
703 endif
704endif
705
706ifdef NO_NEWT
707 NO_SLANG=1
708endif
709
710ifndef NO_SLANG
711 ifneq ($(feature-libslang), 1)
712 ifneq ($(feature-libslang-include-subdir), 1)
713 msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
714 NO_SLANG := 1
715 else
716 CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR
717 endif
718 endif
719 ifndef NO_SLANG
720 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
721 CFLAGS += -DHAVE_SLANG_SUPPORT
722 EXTLIBS += -lslang
723 $(call detected,CONFIG_SLANG)
724 endif
725endif
726
727ifndef NO_GTK2
728 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
729 ifneq ($(feature-gtk2), 1)
730 msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
731 NO_GTK2 := 1
732 else
733 ifeq ($(feature-gtk2-infobar), 1)
734 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
735 endif
736 CFLAGS += -DHAVE_GTK2_SUPPORT
737 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
738 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
739 EXTLIBS += -ldl
740 endif
741endif
742
743ifdef NO_LIBPERL
744 CFLAGS += -DNO_LIBPERL
745else
746 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
747 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
748 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
749 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
750 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
751 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
752 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
753
754 ifneq ($(feature-libperl), 1)
755 CFLAGS += -DNO_LIBPERL
756 NO_LIBPERL := 1
757 msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
758 else
759 LDFLAGS += $(PERL_EMBED_LDFLAGS)
760 EXTLIBS += $(PERL_EMBED_LIBADD)
761 CFLAGS += -DHAVE_LIBPERL_SUPPORT
762 $(call detected,CONFIG_LIBPERL)
763 endif
764endif
765
766ifeq ($(feature-timerfd), 1)
767 CFLAGS += -DHAVE_TIMERFD_SUPPORT
768else
769 msg := $(warning No timerfd support. Disables 'perf kvm stat live');
770endif
771
772disable-python = $(eval $(disable-python_code))
773define disable-python_code
774 CFLAGS += -DNO_LIBPYTHON
775 $(warning $1)
776 NO_LIBPYTHON := 1
777endef
778
779ifdef NO_LIBPYTHON
780 $(call disable-python,Python support disabled by user)
781else
782
783 ifndef PYTHON
784 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
785 else
786 PYTHON_WORD := $(call shell-wordify,$(PYTHON))
787
788 ifndef PYTHON_CONFIG
789 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
790 else
791
792 ifneq ($(feature-libpython), 1)
793 $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
794 else
795 LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
796 EXTLIBS += $(PYTHON_EMBED_LIBADD)
797 LANG_BINDINGS += $(obj-perf)python/perf.so
798 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
799 $(call detected,CONFIG_LIBPYTHON)
800 endif
801 endif
802 endif
803endif
804
805ifeq ($(feature-libbfd), 1)
806 EXTLIBS += -lbfd -lopcodes
807else
808 # we are on a system that requires -liberty and (maybe) -lz
809 # to link against -lbfd; test each case individually here
810
811 # call all detections now so we get correct
812 # status in VF output
813 $(call feature_check,libbfd-liberty)
814 $(call feature_check,libbfd-liberty-z)
815
816 ifeq ($(feature-libbfd-liberty), 1)
817 EXTLIBS += -lbfd -lopcodes -liberty
818 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl
819 else
820 ifeq ($(feature-libbfd-liberty-z), 1)
821 EXTLIBS += -lbfd -lopcodes -liberty -lz
822 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl
823 endif
824 endif
825 $(call feature_check,disassembler-four-args)
826endif
827
828ifdef NO_DEMANGLE
829 CFLAGS += -DNO_DEMANGLE
830else
831 ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
832 EXTLIBS += -liberty
833 else
834 ifeq ($(filter -liberty,$(EXTLIBS)),)
835 $(call feature_check,cplus-demangle)
836
837 # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
838 # or any of 'bfd iberty z' trinity
839 ifeq ($(feature-cplus-demangle), 1)
840 EXTLIBS += -liberty
841 else
842 msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
843 CFLAGS += -DNO_DEMANGLE
844 endif
845 endif
846 endif
847
848 ifneq ($(filter -liberty,$(EXTLIBS)),)
849 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
850 endif
851endif
852
853ifneq ($(filter -lbfd,$(EXTLIBS)),)
854 CFLAGS += -DHAVE_LIBBFD_SUPPORT
855endif
856
857ifndef NO_ZLIB
858 ifeq ($(feature-zlib), 1)
859 CFLAGS += -DHAVE_ZLIB_SUPPORT
860 EXTLIBS += -lz
861 $(call detected,CONFIG_ZLIB)
862 else
863 NO_ZLIB := 1
864 endif
865endif
866
867ifndef NO_LZMA
868 ifeq ($(feature-lzma), 1)
869 CFLAGS += -DHAVE_LZMA_SUPPORT
870 EXTLIBS += -llzma
871 $(call detected,CONFIG_LZMA)
872 else
873 msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
874 NO_LZMA := 1
875 endif
876endif
877
878ifndef NO_LIBZSTD
879 ifeq ($(feature-libzstd), 1)
880 CFLAGS += -DHAVE_ZSTD_SUPPORT
881 CFLAGS += $(LIBZSTD_CFLAGS)
882 LDFLAGS += $(LIBZSTD_LDFLAGS)
883 EXTLIBS += -lzstd
884 $(call detected,CONFIG_ZSTD)
885 else
886 msg := $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR);
887 NO_LIBZSTD := 1
888 endif
889endif
890
891ifndef NO_LIBCAP
892 ifeq ($(feature-libcap), 1)
893 CFLAGS += -DHAVE_LIBCAP_SUPPORT
894 EXTLIBS += -lcap
895 $(call detected,CONFIG_LIBCAP)
896 else
897 msg := $(warning No libcap found, disables capability support, please install libcap-devel/libcap-dev);
898 NO_LIBCAP := 1
899 endif
900endif
901
902ifndef NO_BACKTRACE
903 ifeq ($(feature-backtrace), 1)
904 CFLAGS += -DHAVE_BACKTRACE_SUPPORT
905 endif
906endif
907
908ifndef NO_LIBNUMA
909 ifeq ($(feature-libnuma), 0)
910 msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
911 NO_LIBNUMA := 1
912 else
913 ifeq ($(feature-numa_num_possible_cpus), 0)
914 msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
915 NO_LIBNUMA := 1
916 else
917 CFLAGS += -DHAVE_LIBNUMA_SUPPORT
918 EXTLIBS += -lnuma
919 $(call detected,CONFIG_NUMA)
920 endif
921 endif
922endif
923
924ifdef HAVE_KVM_STAT_SUPPORT
925 CFLAGS += -DHAVE_KVM_STAT_SUPPORT
926endif
927
928ifeq ($(feature-disassembler-four-args), 1)
929 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
930endif
931
932ifeq (${IS_64_BIT}, 1)
933 ifndef NO_PERF_READ_VDSO32
934 $(call feature_check,compile-32)
935 ifeq ($(feature-compile-32), 1)
936 CFLAGS += -DHAVE_PERF_READ_VDSO32
937 else
938 NO_PERF_READ_VDSO32 := 1
939 endif
940 endif
941 ifneq ($(SRCARCH), x86)
942 NO_PERF_READ_VDSOX32 := 1
943 endif
944 ifndef NO_PERF_READ_VDSOX32
945 $(call feature_check,compile-x32)
946 ifeq ($(feature-compile-x32), 1)
947 CFLAGS += -DHAVE_PERF_READ_VDSOX32
948 else
949 NO_PERF_READ_VDSOX32 := 1
950 endif
951 endif
952else
953 NO_PERF_READ_VDSO32 := 1
954 NO_PERF_READ_VDSOX32 := 1
955endif
956
957ifndef NO_LIBBABELTRACE
958 $(call feature_check,libbabeltrace)
959 ifeq ($(feature-libbabeltrace), 1)
960 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
961 LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
962 EXTLIBS += -lbabeltrace-ctf
963 $(call detected,CONFIG_LIBBABELTRACE)
964 else
965 msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
966 endif
967endif
968
969ifndef NO_AUXTRACE
970 ifeq ($(SRCARCH),x86)
971 ifeq ($(feature-get_cpuid), 0)
972 msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
973 NO_AUXTRACE := 1
974 endif
975 endif
976 ifndef NO_AUXTRACE
977 $(call detected,CONFIG_AUXTRACE)
978 CFLAGS += -DHAVE_AUXTRACE_SUPPORT
979 endif
980endif
981
982ifndef NO_JVMTI
983 ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
984 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
985 else
986 ifneq (,$(wildcard /usr/sbin/alternatives))
987 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g')
988 endif
989 endif
990 ifndef JDIR
991 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
992 NO_JVMTI := 1
993 endif
994endif
995
996ifndef NO_JVMTI
997 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
998 $(call feature_check,jvmti)
999 ifeq ($(feature-jvmti), 1)
1000 $(call detected_var,JDIR)
1001 ifndef NO_JVMTI_CMLR
1002 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti)
1003 $(call feature_check,jvmti-cmlr)
1004 ifeq ($(feature-jvmti-cmlr), 1)
1005 CFLAGS += -DHAVE_JVMTI_CMLR
1006 endif
1007 endif # NO_JVMTI_CMLR
1008 else
1009 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel)
1010 NO_JVMTI := 1
1011 endif
1012endif
1013
1014USE_CXX = 0
1015USE_CLANGLLVM = 0
1016ifdef LIBCLANGLLVM
1017 $(call feature_check,cxx)
1018 ifneq ($(feature-cxx), 1)
1019 msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
1020 else
1021 $(call feature_check,llvm)
1022 $(call feature_check,llvm-version)
1023 ifneq ($(feature-llvm), 1)
1024 msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
1025 else
1026 $(call feature_check,clang)
1027 ifneq ($(feature-clang), 1)
1028 msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
1029 else
1030 CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
1031 CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
1032 $(call detected,CONFIG_CXX)
1033 $(call detected,CONFIG_CLANGLLVM)
1034 USE_CXX = 1
1035 USE_LLVM = 1
1036 USE_CLANG = 1
1037 ifneq ($(feature-llvm-version),1)
1038 msg := $(warning This version of LLVM is not tested. May cause build errors)
1039 endif
1040 endif
1041 endif
1042 endif
1043endif
1044
1045ifdef LIBPFM4
1046 $(call feature_check,libpfm4)
1047 ifeq ($(feature-libpfm4), 1)
1048 CFLAGS += -DHAVE_LIBPFM
1049 EXTLIBS += -lpfm
1050 ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1
1051 $(call detected,CONFIG_LIBPFM4)
1052 else
1053 msg := $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev);
1054 NO_LIBPFM4 := 1
1055 endif
1056endif
1057
1058# Among the variables below, these:
1059# perfexecdir
1060# perf_include_dir
1061# perf_examples_dir
1062# template_dir
1063# mandir
1064# infodir
1065# htmldir
1066# ETC_PERFCONFIG (but not sysconfdir)
1067# can be specified as a relative path some/where/else;
1068# this is interpreted as relative to $(prefix) and "perf" at
1069# runtime figures out where they are based on the path to the executable.
1070# This can help installing the suite in a relocatable way.
1071
1072# Make the path relative to DESTDIR, not to prefix
1073ifndef DESTDIR
1074prefix ?= $(HOME)
1075endif
1076bindir_relative = bin
1077bindir = $(abspath $(prefix)/$(bindir_relative))
1078mandir = share/man
1079infodir = share/info
1080perfexecdir = libexec/perf-core
1081perf_include_dir = lib/perf/include
1082perf_examples_dir = lib/perf/examples
1083sharedir = $(prefix)/share
1084template_dir = share/perf-core/templates
1085STRACE_GROUPS_DIR = share/perf-core/strace/groups
1086htmldir = share/doc/perf-doc
1087tipdir = share/doc/perf-tip
1088srcdir = $(srctree)/tools/perf
1089ifeq ($(prefix),/usr)
1090sysconfdir = /etc
1091ETC_PERFCONFIG = $(sysconfdir)/perfconfig
1092else
1093sysconfdir = $(prefix)/etc
1094ETC_PERFCONFIG = etc/perfconfig
1095endif
1096ifndef lib
1097ifeq ($(SRCARCH)$(IS_64_BIT), x861)
1098lib = lib64
1099else
1100lib = lib
1101endif
1102endif # lib
1103libdir = $(prefix)/$(lib)
1104
1105# Shell quote (do not use $(call) to accommodate ancient setups);
1106ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
1107STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
1108DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
1109bindir_SQ = $(subst ','\'',$(bindir))
1110mandir_SQ = $(subst ','\'',$(mandir))
1111infodir_SQ = $(subst ','\'',$(infodir))
1112perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
1113perf_include_dir_SQ = $(subst ','\'',$(perf_include_dir))
1114perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir))
1115template_dir_SQ = $(subst ','\'',$(template_dir))
1116htmldir_SQ = $(subst ','\'',$(htmldir))
1117tipdir_SQ = $(subst ','\'',$(tipdir))
1118prefix_SQ = $(subst ','\'',$(prefix))
1119sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
1120libdir_SQ = $(subst ','\'',$(libdir))
1121srcdir_SQ = $(subst ','\'',$(srcdir))
1122
1123ifneq ($(filter /%,$(firstword $(perfexecdir))),)
1124perfexec_instdir = $(perfexecdir)
1125perf_include_instdir = $(perf_include_dir)
1126perf_examples_instdir = $(perf_examples_dir)
1127STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
1128tip_instdir = $(tipdir)
1129else
1130perfexec_instdir = $(prefix)/$(perfexecdir)
1131perf_include_instdir = $(prefix)/$(perf_include_dir)
1132perf_examples_instdir = $(prefix)/$(perf_examples_dir)
1133STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
1134tip_instdir = $(prefix)/$(tipdir)
1135endif
1136perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
1137perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir))
1138perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir))
1139STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
1140tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
1141
1142# If we install to $(HOME) we keep the traceevent default:
1143# $(HOME)/.traceevent/plugins
1144# Otherwise we install plugins into the global $(libdir).
1145ifdef DESTDIR
1146plugindir=$(libdir)/traceevent/plugins
1147plugindir_SQ= $(subst ','\'',$(plugindir))
1148endif
1149
1150print_var = $(eval $(print_var_code)) $(info $(MSG))
1151define print_var_code
1152 MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
1153endef
1154
1155ifeq ($(VF),1)
1156 # Display EXTRA features which are detected manualy
1157 # from here with feature_check call and thus cannot
1158 # be partof global state output.
1159 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),))
1160 $(call print_var,prefix)
1161 $(call print_var,bindir)
1162 $(call print_var,libdir)
1163 $(call print_var,sysconfdir)
1164 $(call print_var,LIBUNWIND_DIR)
1165 $(call print_var,LIBDW_DIR)
1166 $(call print_var,JDIR)
1167
1168 ifeq ($(dwarf-post-unwind),1)
1169 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
1170 endif
1171 $(info )
1172endif
1173
1174$(call detected_var,bindir_SQ)
1175$(call detected_var,PYTHON_WORD)
1176ifneq ($(OUTPUT),)
1177$(call detected_var,OUTPUT)
1178endif
1179$(call detected_var,htmldir_SQ)
1180$(call detected_var,infodir_SQ)
1181$(call detected_var,mandir_SQ)
1182$(call detected_var,ETC_PERFCONFIG_SQ)
1183$(call detected_var,STRACE_GROUPS_DIR_SQ)
1184$(call detected_var,prefix_SQ)
1185$(call detected_var,perfexecdir_SQ)
1186$(call detected_var,perf_include_dir_SQ)
1187$(call detected_var,perf_examples_dir_SQ)
1188$(call detected_var,tipdir_SQ)
1189$(call detected_var,srcdir_SQ)
1190$(call detected_var,LIBDIR)
1191$(call detected_var,GTK_CFLAGS)
1192$(call detected_var,PERL_EMBED_CCOPTS)
1193$(call detected_var,PYTHON_EMBED_CCOPTS)