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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
31ifneq ($(NO_SYSCALL_TABLE),1)
32 NO_SYSCALL_TABLE := 1
33
34 ifeq ($(SRCARCH),x86)
35 ifeq (${IS_64_BIT}, 1)
36 NO_SYSCALL_TABLE := 0
37 endif
38 else
39 ifeq ($(SRCARCH),$(filter $(SRCARCH),powerpc arm64 s390 mips loongarch))
40 NO_SYSCALL_TABLE := 0
41 endif
42 endif
43
44 ifneq ($(NO_SYSCALL_TABLE),1)
45 CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT
46 endif
47endif
48
49# Additional ARCH settings for ppc
50ifeq ($(SRCARCH),powerpc)
51 CFLAGS += -I$(OUTPUT)arch/powerpc/include/generated
52 LIBUNWIND_LIBS := -lunwind -lunwind-ppc64
53endif
54
55# Additional ARCH settings for x86
56ifeq ($(SRCARCH),x86)
57 $(call detected,CONFIG_X86)
58 ifeq (${IS_64_BIT}, 1)
59 CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT -I$(OUTPUT)arch/x86/include/generated
60 ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
61 LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind -llzma
62 $(call detected,CONFIG_X86_64)
63 else
64 LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind
65 endif
66endif
67
68ifeq ($(SRCARCH),arm)
69 LIBUNWIND_LIBS = -lunwind -lunwind-arm
70endif
71
72ifeq ($(SRCARCH),arm64)
73 CFLAGS += -I$(OUTPUT)arch/arm64/include/generated
74 LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
75endif
76
77ifeq ($(SRCARCH),loongarch)
78 CFLAGS += -I$(OUTPUT)arch/loongarch/include/generated
79 LIBUNWIND_LIBS = -lunwind -lunwind-loongarch64
80endif
81
82ifeq ($(ARCH),s390)
83 CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated
84endif
85
86ifeq ($(ARCH),mips)
87 CFLAGS += -I$(OUTPUT)arch/mips/include/generated
88 LIBUNWIND_LIBS = -lunwind -lunwind-mips
89endif
90
91# So far there's only x86 and arm libdw unwind support merged in perf.
92# Disable it on all other architectures in case libdw unwind
93# support is detected in system. Add supported architectures
94# to the check.
95ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390 csky riscv loongarch))
96 NO_LIBDW_DWARF_UNWIND := 1
97endif
98
99ifeq ($(LIBUNWIND_LIBS),)
100 NO_LIBUNWIND := 1
101endif
102#
103# For linking with debug library, run like:
104#
105# make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
106#
107
108libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
109define libunwind_arch_set_flags_code
110 FEATURE_CHECK_CFLAGS-libunwind-$(1) = -I$(LIBUNWIND_DIR)/include
111 FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
112endef
113
114ifdef LIBUNWIND_DIR
115 LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include
116 LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
117 LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64 loongarch
118 $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
119endif
120
121# Set per-feature check compilation flags
122FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
123FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
124FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
125FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
126
127FEATURE_CHECK_LDFLAGS-libunwind-arm += -lunwind -lunwind-arm
128FEATURE_CHECK_LDFLAGS-libunwind-aarch64 += -lunwind -lunwind-aarch64
129FEATURE_CHECK_LDFLAGS-libunwind-x86 += -lunwind -llzma -lunwind-x86
130FEATURE_CHECK_LDFLAGS-libunwind-x86_64 += -lunwind -llzma -lunwind-x86_64
131
132FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto
133
134ifdef CSINCLUDES
135 LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)
136endif
137OPENCSDLIBS := -lopencsd_c_api -lopencsd
138ifeq ($(findstring -static,${LDFLAGS}),-static)
139 OPENCSDLIBS += -lstdc++
140endif
141ifdef CSLIBS
142 LIBOPENCSD_LDFLAGS := -L$(CSLIBS)
143endif
144FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS)
145FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS)
146
147# for linking with debug library, run like:
148# make DEBUG=1 LIBDW_DIR=/opt/libdw/
149ifdef LIBDW_DIR
150 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include
151 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
152endif
153DWARFLIBS := -ldw
154ifeq ($(findstring -static,${LDFLAGS}),-static)
155 DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2
156endif
157FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
158FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS)
159
160# for linking with debug library, run like:
161# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
162ifdef LIBBABELTRACE_DIR
163 LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include
164 LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
165endif
166FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
167FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
168
169# for linking with debug library, run like:
170# make DEBUG=1 LIBCAPSTONE_DIR=/opt/capstone/
171ifdef LIBCAPSTONE_DIR
172 LIBCAPSTONE_CFLAGS := -I$(LIBCAPSTONE_DIR)/include
173 LIBCAPSTONE_LDFLAGS := -L$(LIBCAPSTONE_DIR)/
174endif
175FEATURE_CHECK_CFLAGS-libcapstone := $(LIBCAPSTONE_CFLAGS)
176FEATURE_CHECK_LDFLAGS-libcapstone := $(LIBCAPSTONE_LDFLAGS) -lcapstone
177
178ifdef LIBZSTD_DIR
179 LIBZSTD_CFLAGS := -I$(LIBZSTD_DIR)/lib
180 LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib
181endif
182FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS)
183FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS)
184
185FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi
186# include ARCH specific config
187-include $(src-perf)/arch/$(SRCARCH)/Makefile
188
189ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
190 CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
191endif
192
193include $(srctree)/tools/scripts/utilities.mak
194
195ifeq ($(call get-executable,$(FLEX)),)
196 $(error Error: $(FLEX) is missing on this system, please install it)
197endif
198
199ifeq ($(call get-executable,$(BISON)),)
200 $(error Error: $(BISON) is missing on this system, please install it)
201endif
202
203ifneq ($(NO_LIBTRACEEVENT),1)
204 ifeq ($(call get-executable,$(PKG_CONFIG)),)
205 dummy := $(error Error: $(PKG_CONFIG) needed by libtraceevent is missing on this system, please install it)
206 endif
207endif
208
209ifneq ($(OUTPUT),)
210 ifeq ($(shell expr $(shell $(BISON) --version | grep bison | sed -e 's/.\+ \([0-9]\+\).\([0-9]\+\).\([0-9]\+\)/\1\2\3/g') \>\= 371), 1)
211 BISON_FILE_PREFIX_MAP := --file-prefix-map=$(OUTPUT)=
212 endif
213endif
214
215# Treat warnings as errors unless directed not to
216ifneq ($(WERROR),0)
217 CORE_CFLAGS += -Werror
218 CXXFLAGS += -Werror
219 HOSTCFLAGS += -Werror
220endif
221
222ifndef DEBUG
223 DEBUG := 0
224endif
225
226ifeq ($(DEBUG),0)
227CORE_CFLAGS += -DNDEBUG=1
228ifeq ($(CC_NO_CLANG), 0)
229 CORE_CFLAGS += -O3
230else
231 CORE_CFLAGS += -O6
232endif
233else
234 CORE_CFLAGS += -g
235 CXXFLAGS += -g
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
246ifdef LTO
247 CORE_CFLAGS += -flto
248 CXXFLAGS += -flto
249endif
250
251# Try different combinations to accommodate systems that only have
252# python[2][3]-config in weird combinations in the following order of
253# priority from lowest to highest:
254# * python2-config as per pep-0394.
255# * python-config
256# * python3-config
257# * $(PYTHON)-config (If PYTHON is user supplied but PYTHON_CONFIG isn't)
258#
259PYTHON_AUTO := python-config
260PYTHON_AUTO := $(if $(call get-executable,python2-config),python2-config,$(PYTHON_AUTO))
261PYTHON_AUTO := $(if $(call get-executable,python-config),python-config,$(PYTHON_AUTO))
262PYTHON_AUTO := $(if $(call get-executable,python3-config),python3-config,$(PYTHON_AUTO))
263
264# If PYTHON is defined but PYTHON_CONFIG isn't, then take $(PYTHON)-config as if it was the user
265# supplied value for PYTHON_CONFIG. Because it's "user supplied", error out if it doesn't exist.
266ifdef PYTHON
267 ifndef PYTHON_CONFIG
268 PYTHON_CONFIG_AUTO := $(call get-executable,$(PYTHON)-config)
269 PYTHON_CONFIG := $(if $(PYTHON_CONFIG_AUTO),$(PYTHON_CONFIG_AUTO),\
270 $(call $(error $(PYTHON)-config not found)))
271 endif
272endif
273
274# Select either auto detected python and python-config or use user supplied values if they are
275# defined. get-executable-or-default fails with an error if the first argument is supplied but
276# doesn't exist.
277override PYTHON_CONFIG := $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON_AUTO))
278override PYTHON := $(call get-executable-or-default,PYTHON,$(subst -config,,$(PYTHON_CONFIG)))
279
280grep-libs = $(filter -l%,$(1))
281strip-libs = $(filter-out -l%,$(1))
282
283PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
284
285# Python 3.8 changed the output of `python-config --ldflags` to not include the
286# '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for
287# libpython fails if that flag is not included in LDFLAGS
288ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0)
289 PYTHON_CONFIG_LDFLAGS := --ldflags --embed
290else
291 PYTHON_CONFIG_LDFLAGS := --ldflags
292endif
293
294ifdef PYTHON_CONFIG
295 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) $(PYTHON_CONFIG_LDFLAGS) 2>/dev/null)
296 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
297 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
298 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null)
299 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
300 ifeq ($(CC_NO_CLANG), 0)
301 PYTHON_EMBED_CCOPTS := $(filter-out -ffat-lto-objects, $(PYTHON_EMBED_CCOPTS))
302 endif
303endif
304
305FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
306FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
307
308FEATURE_CHECK_LDFLAGS-libaio = -lrt
309
310FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes -ldl
311FEATURE_CHECK_LDFLAGS-disassembler-init-styled = -lbfd -lopcodes -ldl
312
313CORE_CFLAGS += -fno-omit-frame-pointer
314CORE_CFLAGS += -Wall
315CORE_CFLAGS += -Wextra
316CORE_CFLAGS += -std=gnu11
317
318CXXFLAGS += -std=gnu++17 -fno-exceptions -fno-rtti
319CXXFLAGS += -Wall
320CXXFLAGS += -Wextra
321CXXFLAGS += -fno-omit-frame-pointer
322
323HOSTCFLAGS += -Wall
324HOSTCFLAGS += -Wextra
325
326# Enforce a non-executable stack, as we may regress (again) in the future by
327# adding assembler files missing the .GNU-stack linker note.
328LDFLAGS += -Wl,-z,noexecstack
329
330EXTLIBS = -lpthread -lrt -lm -ldl
331
332ifneq ($(TCMALLOC),)
333 CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free
334 EXTLIBS += -ltcmalloc
335endif
336
337ifeq ($(FEATURES_DUMP),)
338# We will display at the end of this Makefile.config, using $(call feature_display_entries)
339# As we may retry some feature detection here, see the disassembler-four-args case, for instance
340 FEATURE_DISPLAY_DEFERRED := 1
341include $(srctree)/tools/build/Makefile.feature
342else
343include $(FEATURES_DUMP)
344endif
345
346ifeq ($(feature-stackprotector-all), 1)
347 CORE_CFLAGS += -fstack-protector-all
348endif
349
350ifeq ($(DEBUG),0)
351 ifeq ($(feature-fortify-source), 1)
352 CORE_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
353 endif
354endif
355
356INC_FLAGS += -I$(src-perf)/util/include
357INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
358INC_FLAGS += -I$(srctree)/tools/include/
359INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
360INC_FLAGS += -I$(srctree)/tools/include/uapi
361INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
362INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
363
364# $(obj-perf) for generated common-cmds.h
365# $(obj-perf)/util for generated bison/flex headers
366ifneq ($(OUTPUT),)
367INC_FLAGS += -I$(obj-perf)/util
368INC_FLAGS += -I$(obj-perf)
369endif
370
371INC_FLAGS += -I$(src-perf)/util
372INC_FLAGS += -I$(src-perf)
373
374CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
375
376CFLAGS += $(CORE_CFLAGS) $(INC_FLAGS)
377CXXFLAGS += $(INC_FLAGS)
378
379LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS)
380
381ifeq ($(feature-pthread-attr-setaffinity-np), 1)
382 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
383endif
384
385ifeq ($(feature-pthread-barrier), 1)
386 CFLAGS += -DHAVE_PTHREAD_BARRIER
387endif
388
389ifndef NO_BIONIC
390 $(call feature_check,bionic)
391 ifeq ($(feature-bionic), 1)
392 BIONIC := 1
393 CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE
394 CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE
395 EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
396 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
397 endif
398endif
399
400ifeq ($(feature-eventfd), 1)
401 CFLAGS += -DHAVE_EVENTFD_SUPPORT
402endif
403
404ifeq ($(feature-get_current_dir_name), 1)
405 CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME
406endif
407
408ifeq ($(feature-gettid), 1)
409 CFLAGS += -DHAVE_GETTID
410endif
411
412ifeq ($(feature-file-handle), 1)
413 CFLAGS += -DHAVE_FILE_HANDLE
414endif
415
416ifdef NO_LIBELF
417 NO_DWARF := 1
418 NO_LIBUNWIND := 1
419 NO_LIBDW_DWARF_UNWIND := 1
420 NO_LIBBPF := 1
421 NO_JVMTI := 1
422else
423 ifeq ($(feature-libelf), 0)
424 ifeq ($(feature-glibc), 1)
425 LIBC_SUPPORT := 1
426 endif
427 ifeq ($(BIONIC),1)
428 LIBC_SUPPORT := 1
429 endif
430 ifeq ($(LIBC_SUPPORT),1)
431 $(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.)
432 else
433 ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),)
434 ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0)
435 $(error No libasan found, please install libasan)
436 endif
437 endif
438
439 ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),)
440 ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0)
441 $(error No libubsan found, please install libubsan)
442 endif
443 endif
444
445 ifneq ($(filter s% -static%,$(LDFLAGS),),)
446 $(error No static glibc found, please install glibc-static)
447 else
448 $(error No gnu/libc-version.h found, please install glibc-dev[el])
449 endif
450 endif
451 else
452 ifndef NO_LIBDW_DWARF_UNWIND
453 ifneq ($(feature-libdw-dwarf-unwind),1)
454 NO_LIBDW_DWARF_UNWIND := 1
455 $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR)
456 endif
457 endif
458 ifneq ($(feature-dwarf), 1)
459 ifndef NO_DWARF
460 $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev)
461 NO_DWARF := 1
462 endif
463 else
464 ifneq ($(feature-dwarf_getlocations), 1)
465 $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157)
466 else
467 CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT
468 endif # dwarf_getlocations
469 ifneq ($(feature-dwarf_getcfi), 1)
470 $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.142)
471 else
472 CFLAGS += -DHAVE_DWARF_CFI_SUPPORT
473 endif # dwarf_getcfi
474 endif # Dwarf support
475 endif # libelf support
476endif # NO_LIBELF
477
478ifeq ($(feature-libaio), 1)
479 ifndef NO_AIO
480 CFLAGS += -DHAVE_AIO_SUPPORT
481 endif
482endif
483
484ifdef NO_DWARF
485 NO_LIBDW_DWARF_UNWIND := 1
486endif
487
488ifeq ($(feature-scandirat), 1)
489 CFLAGS += -DHAVE_SCANDIRAT_SUPPORT
490endif
491
492ifeq ($(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 $(error Error: No libopencsd library found or the version is not up-to-date. Please install recent libopencsd to build with CORESIGHT=1)
519 endif
520endif
521
522ifndef NO_ZLIB
523 ifeq ($(feature-zlib), 1)
524 CFLAGS += -DHAVE_ZLIB_SUPPORT
525 EXTLIBS += -lz
526 $(call detected,CONFIG_ZLIB)
527 else
528 NO_ZLIB := 1
529 endif
530endif
531
532ifndef NO_LIBELF
533 CFLAGS += -DHAVE_LIBELF_SUPPORT
534 EXTLIBS += -lelf
535 $(call detected,CONFIG_LIBELF)
536
537 ifeq ($(feature-libelf-getphdrnum), 1)
538 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
539 endif
540
541 ifeq ($(feature-libelf-gelf_getnote), 1)
542 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
543 else
544 $(warning gelf_getnote() not found on libelf, SDT support disabled)
545 endif
546
547 ifeq ($(feature-libelf-getshdrstrndx), 1)
548 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
549 endif
550
551 ifndef NO_LIBDEBUGINFOD
552 $(call feature_check,libdebuginfod)
553 ifeq ($(feature-libdebuginfod), 1)
554 CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT
555 EXTLIBS += -ldebuginfod
556 endif
557 endif
558
559 ifndef NO_DWARF
560 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
561 $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled)
562 NO_DWARF := 1
563 else
564 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
565 LDFLAGS += $(LIBDW_LDFLAGS)
566 EXTLIBS += ${DWARFLIBS}
567 $(call detected,CONFIG_DWARF)
568 endif # PERF_HAVE_DWARF_REGS
569 endif # NO_DWARF
570
571 ifndef NO_LIBBPF
572 ifeq ($(feature-bpf), 1)
573 # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status
574 $(call feature_check,libbpf)
575
576 ifdef LIBBPF_DYNAMIC
577 ifeq ($(feature-libbpf), 1)
578 EXTLIBS += -lbpf
579 CFLAGS += -DHAVE_LIBBPF_SUPPORT
580 $(call detected,CONFIG_LIBBPF)
581 $(call detected,CONFIG_LIBBPF_DYNAMIC)
582 else
583 $(error Error: No libbpf devel library found or older than v1.0, please install/update libbpf-devel)
584 endif
585 else
586 ifeq ($(NO_ZLIB), 1)
587 $(warning Warning: Statically building libbpf not possible as zlib is missing)
588 NO_LIBBPF := 1
589 else
590 # Libbpf will be built as a static library from tools/lib/bpf.
591 LIBBPF_STATIC := 1
592 $(call detected,CONFIG_LIBBPF)
593 CFLAGS += -DHAVE_LIBBPF_SUPPORT
594 endif
595 endif
596 endif
597 endif # NO_LIBBPF
598endif # NO_LIBELF
599
600ifndef NO_SDT
601 ifneq ($(feature-sdt), 1)
602 $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev)
603 NO_SDT := 1;
604 else
605 CFLAGS += -DHAVE_SDT_EVENT
606 $(call detected,CONFIG_SDT_EVENT)
607 endif
608endif
609
610ifdef PERF_HAVE_JITDUMP
611 ifndef NO_LIBELF
612 $(call detected,CONFIG_JITDUMP)
613 CFLAGS += -DHAVE_JITDUMP
614 endif
615endif
616
617ifeq ($(SRCARCH),powerpc)
618 ifndef NO_DWARF
619 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
620 endif
621endif
622
623ifndef NO_LIBUNWIND
624 have_libunwind :=
625
626 $(call feature_check,libunwind-x86)
627 ifeq ($(feature-libunwind-x86), 1)
628 $(call detected,CONFIG_LIBUNWIND_X86)
629 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
630 LDFLAGS += -lunwind-x86
631 EXTLIBS_LIBUNWIND += -lunwind-x86
632 have_libunwind = 1
633 endif
634
635 $(call feature_check,libunwind-aarch64)
636 ifeq ($(feature-libunwind-aarch64), 1)
637 $(call detected,CONFIG_LIBUNWIND_AARCH64)
638 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
639 LDFLAGS += -lunwind-aarch64
640 EXTLIBS_LIBUNWIND += -lunwind-aarch64
641 have_libunwind = 1
642 $(call feature_check,libunwind-debug-frame-aarch64)
643 ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
644 $(warning No debug_frame support found in libunwind-aarch64)
645 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
646 endif
647 endif
648
649 ifneq ($(feature-libunwind), 1)
650 $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR)
651 NO_LOCAL_LIBUNWIND := 1
652 else
653 have_libunwind := 1
654 $(call detected,CONFIG_LOCAL_LIBUNWIND)
655 endif
656
657 ifneq ($(have_libunwind), 1)
658 NO_LIBUNWIND := 1
659 endif
660else
661 NO_LOCAL_LIBUNWIND := 1
662endif
663
664ifndef NO_LIBBPF
665 ifneq ($(feature-bpf), 1)
666 $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
667 NO_LIBBPF := 1
668 endif
669endif
670
671ifndef BUILD_BPF_SKEL
672 # BPF skeletons control a large number of perf features, by default
673 # they are enabled.
674 BUILD_BPF_SKEL := 1
675endif
676
677ifeq ($(BUILD_BPF_SKEL),1)
678 ifeq ($(filter -DHAVE_LIBELF_SUPPORT, $(CFLAGS)),)
679 $(warning Warning: Disabled BPF skeletons as libelf is required by bpftool)
680 BUILD_BPF_SKEL := 0
681 else ifeq ($(filter -DHAVE_ZLIB_SUPPORT, $(CFLAGS)),)
682 $(warning Warning: Disabled BPF skeletons as zlib is required by bpftool)
683 BUILD_BPF_SKEL := 0
684 else ifeq ($(filter -DHAVE_LIBBPF_SUPPORT, $(CFLAGS)),)
685 $(warning Warning: Disabled BPF skeletons as libbpf is required)
686 BUILD_BPF_SKEL := 0
687 else ifeq ($(call get-executable,$(CLANG)),)
688 $(warning Warning: Disabled BPF skeletons as clang ($(CLANG)) is missing)
689 BUILD_BPF_SKEL := 0
690 else
691 CLANG_VERSION := $(shell $(CLANG) --version | head -1 | sed 's/.*clang version \([[:digit:]]\+.[[:digit:]]\+.[[:digit:]]\+\).*/\1/g')
692 ifeq ($(call version-lt3,$(CLANG_VERSION),12.0.1),1)
693 $(warning Warning: Disabled BPF skeletons as reliable BTF generation needs at least $(CLANG) version 12.0.1)
694 BUILD_BPF_SKEL := 0
695 endif
696 endif
697 ifeq ($(BUILD_BPF_SKEL),1)
698 $(call feature_check,clang-bpf-co-re)
699 ifeq ($(feature-clang-bpf-co-re), 0)
700 $(warning Warning: Disabled BPF skeletons as clang is too old)
701 BUILD_BPF_SKEL := 0
702 endif
703 endif
704 ifeq ($(BUILD_BPF_SKEL),1)
705 $(call detected,CONFIG_PERF_BPF_SKEL)
706 CFLAGS += -DHAVE_BPF_SKEL
707 endif
708endif
709
710ifndef GEN_VMLINUX_H
711 VMLINUX_H=$(src-perf)/util/bpf_skel/vmlinux/vmlinux.h
712endif
713
714dwarf-post-unwind := 1
715dwarf-post-unwind-text := BUG
716
717# setup DWARF post unwinder
718ifdef NO_LIBUNWIND
719 ifdef NO_LIBDW_DWARF_UNWIND
720 $(warning Disabling post unwind, no support found.)
721 dwarf-post-unwind := 0
722 else
723 dwarf-post-unwind-text := libdw
724 $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
725 endif
726else
727 dwarf-post-unwind-text := libunwind
728 $(call detected,CONFIG_LIBUNWIND)
729 # Enable libunwind support by default.
730 ifndef NO_LIBDW_DWARF_UNWIND
731 NO_LIBDW_DWARF_UNWIND := 1
732 endif
733endif
734
735ifeq ($(dwarf-post-unwind),1)
736 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
737 $(call detected,CONFIG_DWARF_UNWIND)
738else
739 NO_DWARF_UNWIND := 1
740endif
741
742ifndef NO_LOCAL_LIBUNWIND
743 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
744 $(call feature_check,libunwind-debug-frame)
745 ifneq ($(feature-libunwind-debug-frame), 1)
746 $(warning No debug_frame support found in libunwind)
747 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
748 endif
749 else
750 # non-ARM has no dwarf_find_debug_frame() function:
751 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
752 endif
753 EXTLIBS += $(LIBUNWIND_LIBS)
754 LDFLAGS += $(LIBUNWIND_LIBS)
755endif
756ifeq ($(findstring -static,${LDFLAGS}),-static)
757 # gcc -static links libgcc_eh which contans piece of libunwind
758 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
759endif
760
761ifndef NO_LIBUNWIND
762 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
763 CFLAGS += $(LIBUNWIND_CFLAGS)
764 LDFLAGS += $(LIBUNWIND_LDFLAGS)
765 EXTLIBS += $(EXTLIBS_LIBUNWIND)
766endif
767
768ifneq ($(NO_LIBTRACEEVENT),1)
769 ifeq ($(NO_SYSCALL_TABLE),0)
770 $(call detected,CONFIG_TRACE)
771 else
772 ifndef NO_LIBAUDIT
773 $(call feature_check,libaudit)
774 ifneq ($(feature-libaudit), 1)
775 $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev)
776 NO_LIBAUDIT := 1
777 else
778 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
779 EXTLIBS += -laudit
780 $(call detected,CONFIG_TRACE)
781 endif
782 endif
783 endif
784endif
785
786ifndef NO_LIBCRYPTO
787 ifneq ($(feature-libcrypto), 1)
788 $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev)
789 NO_LIBCRYPTO := 1
790 else
791 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
792 EXTLIBS += -lcrypto
793 $(call detected,CONFIG_CRYPTO)
794 endif
795endif
796
797ifndef NO_SLANG
798 ifneq ($(feature-libslang), 1)
799 ifneq ($(feature-libslang-include-subdir), 1)
800 $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev)
801 NO_SLANG := 1
802 else
803 CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR
804 endif
805 endif
806 ifndef NO_SLANG
807 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
808 CFLAGS += -DHAVE_SLANG_SUPPORT
809 EXTLIBS += -lslang
810 $(call detected,CONFIG_SLANG)
811 endif
812endif
813
814ifdef GTK2
815 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
816 $(call feature_check,gtk2)
817 ifneq ($(feature-gtk2), 1)
818 $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev)
819 NO_GTK2 := 1
820 else
821 $(call feature_check,gtk2-infobar)
822 ifeq ($(feature-gtk2-infobar), 1)
823 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
824 endif
825 CFLAGS += -DHAVE_GTK2_SUPPORT
826 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
827 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
828 EXTLIBS += -ldl
829 endif
830endif
831
832ifdef NO_LIBPERL
833 CFLAGS += -DNO_LIBPERL
834else
835 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
836 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
837 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
838 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
839 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
840 PERL_EMBED_CCOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(PERL_EMBED_CCOPTS))
841 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
842 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
843
844 ifneq ($(feature-libperl), 1)
845 CFLAGS += -DNO_LIBPERL
846 NO_LIBPERL := 1
847 $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev)
848 else
849 LDFLAGS += $(PERL_EMBED_LDFLAGS)
850 EXTLIBS += $(PERL_EMBED_LIBADD)
851 CFLAGS += -DHAVE_LIBPERL_SUPPORT
852 ifeq ($(CC_NO_CLANG), 0)
853 CFLAGS += -Wno-compound-token-split-by-macro
854 endif
855 $(call detected,CONFIG_LIBPERL)
856 endif
857endif
858
859ifeq ($(feature-timerfd), 1)
860 CFLAGS += -DHAVE_TIMERFD_SUPPORT
861else
862 $(warning No timerfd support. Disables 'perf kvm stat live')
863endif
864
865disable-python = $(eval $(disable-python_code))
866define disable-python_code
867 CFLAGS += -DNO_LIBPYTHON
868 $(warning $1)
869 NO_LIBPYTHON := 1
870endef
871
872PYTHON_EXTENSION_SUFFIX := '.so'
873ifdef NO_LIBPYTHON
874 $(call disable-python,Python support disabled by user)
875else
876
877 ifndef PYTHON
878 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
879 else
880 PYTHON_WORD := $(call shell-wordify,$(PYTHON))
881
882 ifndef PYTHON_CONFIG
883 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
884 else
885
886 ifneq ($(feature-libpython), 1)
887 $(call disable-python,No 'Python.h' was found: disables Python support - please install python-devel/python-dev)
888 else
889 LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
890 EXTLIBS += $(PYTHON_EMBED_LIBADD)
891 PYTHON_SETUPTOOLS_INSTALLED := $(shell $(PYTHON) -c 'import setuptools;' 2> /dev/null && echo "yes" || echo "no")
892 ifeq ($(PYTHON_SETUPTOOLS_INSTALLED), yes)
893 PYTHON_EXTENSION_SUFFIX := $(shell $(PYTHON) -c 'from importlib import machinery; print(machinery.EXTENSION_SUFFIXES[0])')
894 LANG_BINDINGS += $(obj-perf)python/perf$(PYTHON_EXTENSION_SUFFIX)
895 else
896 $(warning Missing python setuptools, the python binding won't be built, please install python3-setuptools or equivalent)
897 endif
898 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
899 $(call detected,CONFIG_LIBPYTHON)
900 endif
901 endif
902 endif
903endif
904
905ifneq ($(NO_JEVENTS),1)
906 ifeq ($(wildcard pmu-events/arch/$(SRCARCH)/mapfile.csv),)
907 NO_JEVENTS := 1
908 endif
909endif
910ifneq ($(NO_JEVENTS),1)
911 NO_JEVENTS := 0
912 ifndef PYTHON
913 $(error ERROR: No python interpreter needed for jevents generation. Install python or build with NO_JEVENTS=1.)
914 else
915 # jevents.py uses f-strings present in Python 3.6 released in Dec. 2016.
916 JEVENTS_PYTHON_GOOD := $(shell $(PYTHON) -c 'import sys;print("1" if(sys.version_info.major >= 3 and sys.version_info.minor >= 6) else "0")' 2> /dev/null)
917 ifneq ($(JEVENTS_PYTHON_GOOD), 1)
918 $(error ERROR: Python interpreter needed for jevents generation too old (older than 3.6). Install a newer python or build with NO_JEVENTS=1.)
919 endif
920 endif
921endif
922
923ifdef BUILD_NONDISTRO
924 ifeq ($(feature-libbfd), 1)
925 EXTLIBS += -lbfd -lopcodes
926 else
927 # we are on a system that requires -liberty and (maybe) -lz
928 # to link against -lbfd; test each case individually here
929
930 # call all detections now so we get correct
931 # status in VF output
932 $(call feature_check,libbfd-liberty)
933 $(call feature_check,libbfd-liberty-z)
934
935 ifeq ($(feature-libbfd-liberty), 1)
936 EXTLIBS += -lbfd -lopcodes -liberty
937 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl
938 FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -ldl
939 else
940 ifeq ($(feature-libbfd-liberty-z), 1)
941 EXTLIBS += -lbfd -lopcodes -liberty -lz
942 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl
943 FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -lz -ldl
944 endif
945 endif
946 $(call feature_check,disassembler-four-args)
947 $(call feature_check,disassembler-init-styled)
948 endif
949
950 CFLAGS += -DHAVE_LIBBFD_SUPPORT
951 CXXFLAGS += -DHAVE_LIBBFD_SUPPORT
952 ifeq ($(feature-libbfd-buildid), 1)
953 CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT
954 else
955 $(warning Old version of libbfd/binutils things like PE executable profiling will not be available)
956 endif
957endif
958
959ifndef NO_DEMANGLE
960 $(call feature_check,cxa-demangle)
961 ifeq ($(feature-cxa-demangle), 1)
962 EXTLIBS += -lstdc++
963 CFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT
964 CXXFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT
965 $(call detected,CONFIG_CXX_DEMANGLE)
966 endif
967 ifdef BUILD_NONDISTRO
968 ifeq ($(filter -liberty,$(EXTLIBS)),)
969 $(call feature_check,cplus-demangle)
970 ifeq ($(feature-cplus-demangle), 1)
971 EXTLIBS += -liberty
972 endif
973 endif
974 ifneq ($(filter -liberty,$(EXTLIBS)),)
975 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
976 CXXFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
977 endif
978 endif
979endif
980
981ifndef NO_LZMA
982 ifeq ($(feature-lzma), 1)
983 CFLAGS += -DHAVE_LZMA_SUPPORT
984 EXTLIBS += -llzma
985 $(call detected,CONFIG_LZMA)
986 else
987 $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev)
988 NO_LZMA := 1
989 endif
990endif
991
992ifndef NO_LIBZSTD
993 ifeq ($(feature-libzstd), 1)
994 CFLAGS += -DHAVE_ZSTD_SUPPORT
995 CFLAGS += $(LIBZSTD_CFLAGS)
996 LDFLAGS += $(LIBZSTD_LDFLAGS)
997 EXTLIBS += -lzstd
998 $(call detected,CONFIG_ZSTD)
999 else
1000 $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR)
1001 NO_LIBZSTD := 1
1002 endif
1003endif
1004
1005ifndef NO_LIBCAP
1006 ifeq ($(feature-libcap), 1)
1007 CFLAGS += -DHAVE_LIBCAP_SUPPORT
1008 EXTLIBS += -lcap
1009 $(call detected,CONFIG_LIBCAP)
1010 else
1011 $(warning No libcap found, disables capability support, please install libcap-devel/libcap-dev)
1012 NO_LIBCAP := 1
1013 endif
1014endif
1015
1016ifndef NO_BACKTRACE
1017 ifeq ($(feature-backtrace), 1)
1018 CFLAGS += -DHAVE_BACKTRACE_SUPPORT
1019 endif
1020endif
1021
1022ifndef NO_LIBNUMA
1023 ifeq ($(feature-libnuma), 0)
1024 $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev)
1025 NO_LIBNUMA := 1
1026 else
1027 ifeq ($(feature-numa_num_possible_cpus), 0)
1028 $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8)
1029 NO_LIBNUMA := 1
1030 else
1031 CFLAGS += -DHAVE_LIBNUMA_SUPPORT
1032 EXTLIBS += -lnuma
1033 $(call detected,CONFIG_NUMA)
1034 endif
1035 endif
1036endif
1037
1038ifdef HAVE_KVM_STAT_SUPPORT
1039 CFLAGS += -DHAVE_KVM_STAT_SUPPORT
1040endif
1041
1042ifeq ($(feature-disassembler-four-args), 1)
1043 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
1044endif
1045
1046ifeq ($(feature-disassembler-init-styled), 1)
1047 CFLAGS += -DDISASM_INIT_STYLED
1048endif
1049
1050ifeq (${IS_64_BIT}, 1)
1051 ifndef NO_PERF_READ_VDSO32
1052 $(call feature_check,compile-32)
1053 ifeq ($(feature-compile-32), 1)
1054 CFLAGS += -DHAVE_PERF_READ_VDSO32
1055 else
1056 NO_PERF_READ_VDSO32 := 1
1057 endif
1058 endif
1059 ifneq ($(SRCARCH), x86)
1060 NO_PERF_READ_VDSOX32 := 1
1061 endif
1062 ifndef NO_PERF_READ_VDSOX32
1063 $(call feature_check,compile-x32)
1064 ifeq ($(feature-compile-x32), 1)
1065 CFLAGS += -DHAVE_PERF_READ_VDSOX32
1066 else
1067 NO_PERF_READ_VDSOX32 := 1
1068 endif
1069 endif
1070else
1071 NO_PERF_READ_VDSO32 := 1
1072 NO_PERF_READ_VDSOX32 := 1
1073endif
1074
1075ifndef NO_LIBBABELTRACE
1076 $(call feature_check,libbabeltrace)
1077 ifeq ($(feature-libbabeltrace), 1)
1078 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
1079 LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
1080 EXTLIBS += -lbabeltrace-ctf
1081 $(call detected,CONFIG_LIBBABELTRACE)
1082 else
1083 $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev)
1084 endif
1085endif
1086
1087ifndef NO_CAPSTONE
1088 $(call feature_check,libcapstone)
1089 ifeq ($(feature-libcapstone), 1)
1090 CFLAGS += -DHAVE_LIBCAPSTONE_SUPPORT $(LIBCAPSTONE_CFLAGS)
1091 LDFLAGS += $(LICAPSTONE_LDFLAGS)
1092 EXTLIBS += -lcapstone
1093 $(call detected,CONFIG_LIBCAPSTONE)
1094 else
1095 msg := $(warning No libcapstone found, disables disasm engine support for 'perf script', please install libcapstone-dev/capstone-devel);
1096 endif
1097endif
1098
1099ifndef NO_AUXTRACE
1100 ifeq ($(SRCARCH),x86)
1101 ifeq ($(feature-get_cpuid), 0)
1102 $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc)
1103 NO_AUXTRACE := 1
1104 endif
1105 endif
1106 ifndef NO_AUXTRACE
1107 $(call detected,CONFIG_AUXTRACE)
1108 CFLAGS += -DHAVE_AUXTRACE_SUPPORT
1109 ifeq ($(feature-reallocarray), 0)
1110 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
1111 endif
1112 endif
1113endif
1114
1115ifdef EXTRA_TESTS
1116 $(call detected,CONFIG_EXTRA_TESTS)
1117 CFLAGS += -DHAVE_EXTRA_TESTS
1118endif
1119
1120ifndef NO_JVMTI
1121 ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
1122 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
1123 else
1124 ifneq (,$(wildcard /usr/sbin/alternatives))
1125 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g')
1126 endif
1127 endif
1128 ifndef JDIR
1129 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
1130 NO_JVMTI := 1
1131 endif
1132endif
1133
1134ifndef NO_JVMTI
1135 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
1136 $(call feature_check,jvmti)
1137 ifeq ($(feature-jvmti), 1)
1138 $(call detected_var,JDIR)
1139 ifndef NO_JVMTI_CMLR
1140 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti)
1141 $(call feature_check,jvmti-cmlr)
1142 ifeq ($(feature-jvmti-cmlr), 1)
1143 CFLAGS += -DHAVE_JVMTI_CMLR
1144 endif
1145 endif # NO_JVMTI_CMLR
1146 else
1147 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel)
1148 NO_JVMTI := 1
1149 endif
1150endif
1151
1152ifndef NO_LIBPFM4
1153 $(call feature_check,libpfm4)
1154 ifeq ($(feature-libpfm4), 1)
1155 CFLAGS += -DHAVE_LIBPFM
1156 EXTLIBS += -lpfm
1157 ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1
1158 $(call detected,CONFIG_LIBPFM4)
1159 else
1160 $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev)
1161 endif
1162endif
1163
1164# libtraceevent is a recommended dependency picked up from the system.
1165ifneq ($(NO_LIBTRACEEVENT),1)
1166 $(call feature_check,libtraceevent)
1167 ifeq ($(feature-libtraceevent), 1)
1168 CFLAGS += -DHAVE_LIBTRACEEVENT
1169 EXTLIBS += -ltraceevent
1170 LIBTRACEEVENT_VERSION := $(shell $(PKG_CONFIG) --modversion libtraceevent)
1171 LIBTRACEEVENT_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEEVENT_VERSION)))
1172 LIBTRACEEVENT_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEEVENT_VERSION)))
1173 LIBTRACEEVENT_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEEVENT_VERSION)))
1174 LIBTRACEEVENT_VERSION_CPP := $(shell expr $(LIBTRACEEVENT_VERSION_1) \* 255 \* 255 + $(LIBTRACEEVENT_VERSION_2) \* 255 + $(LIBTRACEEVENT_VERSION_3))
1175 CFLAGS += -DLIBTRACEEVENT_VERSION=$(LIBTRACEEVENT_VERSION_CPP)
1176 $(call detected,CONFIG_LIBTRACEEVENT)
1177 else
1178 $(error ERROR: libtraceevent is missing. Please install libtraceevent-dev/libtraceevent-devel or build with NO_LIBTRACEEVENT=1)
1179 endif
1180
1181 $(call feature_check,libtracefs)
1182 ifeq ($(feature-libtracefs), 1)
1183 EXTLIBS += -ltracefs
1184 LIBTRACEFS_VERSION := $(shell $(PKG_CONFIG) --modversion libtracefs)
1185 LIBTRACEFS_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEFS_VERSION)))
1186 LIBTRACEFS_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEFS_VERSION)))
1187 LIBTRACEFS_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEFS_VERSION)))
1188 LIBTRACEFS_VERSION_CPP := $(shell expr $(LIBTRACEFS_VERSION_1) \* 255 \* 255 + $(LIBTRACEFS_VERSION_2) \* 255 + $(LIBTRACEFS_VERSION_3))
1189 CFLAGS += -DLIBTRACEFS_VERSION=$(LIBTRACEFS_VERSION_CPP)
1190 endif
1191endif
1192
1193# Among the variables below, these:
1194# perfexecdir
1195# libbpf_include_dir
1196# perf_examples_dir
1197# template_dir
1198# mandir
1199# infodir
1200# htmldir
1201# ETC_PERFCONFIG (but not sysconfdir)
1202# can be specified as a relative path some/where/else;
1203# this is interpreted as relative to $(prefix) and "perf" at
1204# runtime figures out where they are based on the path to the executable.
1205# This can help installing the suite in a relocatable way.
1206
1207# Make the path relative to DESTDIR, not to prefix
1208ifndef DESTDIR
1209prefix ?= $(HOME)
1210endif
1211bindir_relative = bin
1212bindir = $(abspath $(prefix)/$(bindir_relative))
1213includedir_relative = include
1214includedir = $(abspath $(prefix)/$(includedir_relative))
1215mandir = share/man
1216infodir = share/info
1217perfexecdir = libexec/perf-core
1218# FIXME: system's libbpf header directory, where we expect to find bpf/bpf_helpers.h, for instance
1219libbpf_include_dir = /usr/include
1220perf_examples_dir = lib/perf/examples
1221sharedir = $(prefix)/share
1222template_dir = share/perf-core/templates
1223STRACE_GROUPS_DIR = share/perf-core/strace/groups
1224htmldir = share/doc/perf-doc
1225tipdir = share/doc/perf-tip
1226srcdir = $(srctree)/tools/perf
1227ifeq ($(prefix),/usr)
1228sysconfdir = /etc
1229ETC_PERFCONFIG = $(sysconfdir)/perfconfig
1230else
1231sysconfdir = $(prefix)/etc
1232ETC_PERFCONFIG = etc/perfconfig
1233endif
1234ifndef lib
1235ifeq ($(SRCARCH)$(IS_64_BIT), x861)
1236lib = lib64
1237else
1238lib = lib
1239endif
1240endif # lib
1241libdir = $(prefix)/$(lib)
1242
1243# Shell quote (do not use $(call) to accommodate ancient setups);
1244ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
1245STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
1246DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
1247bindir_SQ = $(subst ','\'',$(bindir))
1248includedir_SQ = $(subst ','\'',$(includedir))
1249mandir_SQ = $(subst ','\'',$(mandir))
1250infodir_SQ = $(subst ','\'',$(infodir))
1251perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
1252libbpf_include_dir_SQ = $(subst ','\'',$(libbpf_include_dir))
1253perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir))
1254template_dir_SQ = $(subst ','\'',$(template_dir))
1255htmldir_SQ = $(subst ','\'',$(htmldir))
1256tipdir_SQ = $(subst ','\'',$(tipdir))
1257prefix_SQ = $(subst ','\'',$(prefix))
1258sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
1259libdir_SQ = $(subst ','\'',$(libdir))
1260srcdir_SQ = $(subst ','\'',$(srcdir))
1261
1262ifneq ($(filter /%,$(firstword $(perfexecdir))),)
1263perfexec_instdir = $(perfexecdir)
1264perf_include_instdir = $(libbpf_include_dir)
1265perf_examples_instdir = $(perf_examples_dir)
1266STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
1267tip_instdir = $(tipdir)
1268else
1269perfexec_instdir = $(prefix)/$(perfexecdir)
1270perf_include_instdir = $(prefix)/$(libbpf_include_dir)
1271perf_examples_instdir = $(prefix)/$(perf_examples_dir)
1272STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
1273tip_instdir = $(prefix)/$(tipdir)
1274endif
1275perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
1276perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir))
1277perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir))
1278STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
1279tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
1280
1281export perfexec_instdir_SQ
1282
1283print_var = $(eval $(print_var_code)) $(info $(MSG))
1284define print_var_code
1285 MSG = $(shell printf '...%40s: %s' $(1) $($(1)))
1286endef
1287
1288ifeq ($(feature_display),1)
1289 $(call feature_display_entries)
1290endif
1291
1292ifeq ($(VF),1)
1293 # Display EXTRA features which are detected manualy
1294 # from here with feature_check call and thus cannot
1295 # be partof global state output.
1296 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),) $(info $(MSG)))
1297 $(call print_var,prefix)
1298 $(call print_var,bindir)
1299 $(call print_var,libdir)
1300 $(call print_var,sysconfdir)
1301 $(call print_var,LIBUNWIND_DIR)
1302 $(call print_var,LIBDW_DIR)
1303 $(call print_var,JDIR)
1304
1305 ifeq ($(dwarf-post-unwind),1)
1306 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text)) $(info $(MSG))
1307 endif
1308endif
1309
1310$(info )
1311
1312$(call detected_var,bindir_SQ)
1313$(call detected_var,PYTHON_WORD)
1314ifneq ($(OUTPUT),)
1315$(call detected_var,OUTPUT)
1316endif
1317$(call detected_var,htmldir_SQ)
1318$(call detected_var,infodir_SQ)
1319$(call detected_var,mandir_SQ)
1320$(call detected_var,ETC_PERFCONFIG_SQ)
1321$(call detected_var,STRACE_GROUPS_DIR_SQ)
1322$(call detected_var,prefix_SQ)
1323$(call detected_var,perfexecdir_SQ)
1324$(call detected_var,libbpf_include_dir_SQ)
1325$(call detected_var,perf_examples_dir_SQ)
1326$(call detected_var,tipdir_SQ)
1327$(call detected_var,srcdir_SQ)
1328$(call detected_var,LIBDIR)
1329$(call detected_var,GTK_CFLAGS)
1330$(call detected_var,PERL_EMBED_CCOPTS)
1331$(call detected_var,PYTHON_EMBED_CCOPTS)
1332ifneq ($(BISON_FILE_PREFIX_MAP),)
1333$(call detected_var,BISON_FILE_PREFIX_MAP)
1334endif
1335
1336# re-generate FEATURE-DUMP as we may have called feature_check, found out
1337# extra libraries to add to LDFLAGS of some other test and then redo those
1338# tests, see the block about libbfd, disassembler-four-args, for instance.
1339$(shell rm -f $(FEATURE_DUMP_FILENAME))
1340$(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) $(filter-out -Wnested-externs,$(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 $(SRCARCH),powerpc arm64 s390 mips))
36 NO_SYSCALL_TABLE := 0
37 endif
38 endif
39
40 ifneq ($(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 ($(ARCH),mips)
91 NO_PERF_REGS := 0
92 CFLAGS += -I$(OUTPUT)arch/mips/include/generated
93 LIBUNWIND_LIBS = -lunwind -lunwind-mips
94endif
95
96ifeq ($(NO_PERF_REGS),0)
97 $(call detected,CONFIG_PERF_REGS)
98endif
99
100# So far there's only x86 and arm libdw unwind support merged in perf.
101# Disable it on all other architectures in case libdw unwind
102# support is detected in system. Add supported architectures
103# to the check.
104ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390 csky riscv))
105 NO_LIBDW_DWARF_UNWIND := 1
106endif
107
108ifeq ($(LIBUNWIND_LIBS),)
109 NO_LIBUNWIND := 1
110endif
111#
112# For linking with debug library, run like:
113#
114# make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
115#
116
117libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
118define libunwind_arch_set_flags_code
119 FEATURE_CHECK_CFLAGS-libunwind-$(1) = -I$(LIBUNWIND_DIR)/include
120 FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
121endef
122
123ifdef LIBUNWIND_DIR
124 LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include
125 LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
126 LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64
127 $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
128endif
129
130# Set per-feature check compilation flags
131FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
132FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
133FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
134FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
135
136FEATURE_CHECK_LDFLAGS-libunwind-arm += -lunwind -lunwind-arm
137FEATURE_CHECK_LDFLAGS-libunwind-aarch64 += -lunwind -lunwind-aarch64
138FEATURE_CHECK_LDFLAGS-libunwind-x86 += -lunwind -llzma -lunwind-x86
139FEATURE_CHECK_LDFLAGS-libunwind-x86_64 += -lunwind -llzma -lunwind-x86_64
140
141FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto
142
143ifdef CSINCLUDES
144 LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)
145endif
146OPENCSDLIBS := -lopencsd_c_api -lopencsd
147ifdef CSLIBS
148 LIBOPENCSD_LDFLAGS := -L$(CSLIBS)
149endif
150FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS)
151FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS)
152
153ifeq ($(NO_PERF_REGS),0)
154 CFLAGS += -DHAVE_PERF_REGS_SUPPORT
155endif
156
157# for linking with debug library, run like:
158# make DEBUG=1 LIBDW_DIR=/opt/libdw/
159ifdef LIBDW_DIR
160 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include
161 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
162endif
163DWARFLIBS := -ldw
164ifeq ($(findstring -static,${LDFLAGS}),-static)
165 DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2
166endif
167FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
168FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS)
169
170# for linking with debug library, run like:
171# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
172ifdef LIBBABELTRACE_DIR
173 LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include
174 LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
175endif
176FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
177FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
178
179ifdef LIBZSTD_DIR
180 LIBZSTD_CFLAGS := -I$(LIBZSTD_DIR)/lib
181 LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib
182endif
183FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS)
184FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS)
185
186FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi
187# include ARCH specific config
188-include $(src-perf)/arch/$(SRCARCH)/Makefile
189
190ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
191 CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
192endif
193
194include $(srctree)/tools/scripts/utilities.mak
195
196ifeq ($(call get-executable,$(FLEX)),)
197 dummy := $(error Error: $(FLEX) is missing on this system, please install it)
198endif
199
200ifeq ($(call get-executable,$(BISON)),)
201 dummy := $(error Error: $(BISON) is missing on this system, please install it)
202endif
203
204ifneq ($(OUTPUT),)
205 ifeq ($(shell expr $(shell $(BISON) --version | grep bison | sed -e 's/.\+ \([0-9]\+\).\([0-9]\+\).\([0-9]\+\)/\1\2\3/g') \>\= 371), 1)
206 BISON_FILE_PREFIX_MAP := --file-prefix-map=$(OUTPUT)=
207 endif
208endif
209
210# Treat warnings as errors unless directed not to
211ifneq ($(WERROR),0)
212 CORE_CFLAGS += -Werror
213 CXXFLAGS += -Werror
214endif
215
216ifndef DEBUG
217 DEBUG := 0
218endif
219
220ifeq ($(DEBUG),0)
221ifeq ($(CC_NO_CLANG), 0)
222 CORE_CFLAGS += -O3
223else
224 CORE_CFLAGS += -O6
225endif
226endif
227
228ifdef PARSER_DEBUG
229 PARSER_DEBUG_BISON := -t
230 PARSER_DEBUG_FLEX := -d
231 CFLAGS += -DPARSER_DEBUG
232 $(call detected_var,PARSER_DEBUG_BISON)
233 $(call detected_var,PARSER_DEBUG_FLEX)
234endif
235
236# Try different combinations to accommodate systems that only have
237# python[2][-config] in weird combinations but always preferring
238# python2 and python2-config as per pep-0394. If python2 or python
239# aren't found, then python3 is used.
240PYTHON_AUTO := python
241PYTHON_AUTO := $(if $(call get-executable,python3),python3,$(PYTHON_AUTO))
242PYTHON_AUTO := $(if $(call get-executable,python),python,$(PYTHON_AUTO))
243PYTHON_AUTO := $(if $(call get-executable,python2),python2,$(PYTHON_AUTO))
244override PYTHON := $(call get-executable-or-default,PYTHON,$(PYTHON_AUTO))
245PYTHON_AUTO_CONFIG := \
246 $(if $(call get-executable,$(PYTHON)-config),$(PYTHON)-config,python-config)
247override PYTHON_CONFIG := \
248 $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON_AUTO_CONFIG))
249
250grep-libs = $(filter -l%,$(1))
251strip-libs = $(filter-out -l%,$(1))
252
253PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
254
255# Python 3.8 changed the output of `python-config --ldflags` to not include the
256# '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for
257# libpython fails if that flag is not included in LDFLAGS
258ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0)
259 PYTHON_CONFIG_LDFLAGS := --ldflags --embed
260else
261 PYTHON_CONFIG_LDFLAGS := --ldflags
262endif
263
264ifdef PYTHON_CONFIG
265 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) $(PYTHON_CONFIG_LDFLAGS) 2>/dev/null)
266 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
267 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
268 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null)
269 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
270endif
271
272FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
273FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
274FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
275FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
276
277FEATURE_CHECK_LDFLAGS-libaio = -lrt
278
279FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes -ldl
280
281CORE_CFLAGS += -fno-omit-frame-pointer
282CORE_CFLAGS += -ggdb3
283CORE_CFLAGS += -funwind-tables
284CORE_CFLAGS += -Wall
285CORE_CFLAGS += -Wextra
286CORE_CFLAGS += -std=gnu99
287
288CXXFLAGS += -std=gnu++11 -fno-exceptions -fno-rtti
289CXXFLAGS += -Wall
290CXXFLAGS += -fno-omit-frame-pointer
291CXXFLAGS += -ggdb3
292CXXFLAGS += -funwind-tables
293CXXFLAGS += -Wno-strict-aliasing
294
295# Enforce a non-executable stack, as we may regress (again) in the future by
296# adding assembler files missing the .GNU-stack linker note.
297LDFLAGS += -Wl,-z,noexecstack
298
299EXTLIBS = -lpthread -lrt -lm -ldl
300
301ifneq ($(TCMALLOC),)
302 CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free
303 EXTLIBS += -ltcmalloc
304endif
305
306ifeq ($(FEATURES_DUMP),)
307# We will display at the end of this Makefile.config, using $(call feature_display_entries)
308# As we may retry some feature detection here, see the disassembler-four-args case, for instance
309 FEATURE_DISPLAY_DEFERRED := 1
310include $(srctree)/tools/build/Makefile.feature
311else
312include $(FEATURES_DUMP)
313endif
314
315ifeq ($(feature-stackprotector-all), 1)
316 CORE_CFLAGS += -fstack-protector-all
317endif
318
319ifeq ($(DEBUG),0)
320 ifeq ($(feature-fortify-source), 1)
321 CORE_CFLAGS += -D_FORTIFY_SOURCE=2
322 endif
323endif
324
325INC_FLAGS += -I$(srctree)/tools/lib/perf/include
326INC_FLAGS += -I$(src-perf)/util/include
327INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
328INC_FLAGS += -I$(srctree)/tools/include/
329INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
330INC_FLAGS += -I$(srctree)/tools/include/uapi
331INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
332INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
333
334# $(obj-perf) for generated common-cmds.h
335# $(obj-perf)/util for generated bison/flex headers
336ifneq ($(OUTPUT),)
337INC_FLAGS += -I$(obj-perf)/util
338INC_FLAGS += -I$(obj-perf)
339endif
340
341INC_FLAGS += -I$(src-perf)/util
342INC_FLAGS += -I$(src-perf)
343INC_FLAGS += -I$(srctree)/tools/lib/
344
345CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
346
347CFLAGS += $(CORE_CFLAGS) $(INC_FLAGS)
348CXXFLAGS += $(INC_FLAGS)
349
350LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS)
351
352ifeq ($(feature-sync-compare-and-swap), 1)
353 CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
354endif
355
356ifeq ($(feature-pthread-attr-setaffinity-np), 1)
357 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
358endif
359
360ifeq ($(feature-pthread-barrier), 1)
361 CFLAGS += -DHAVE_PTHREAD_BARRIER
362endif
363
364ifndef NO_BIONIC
365 $(call feature_check,bionic)
366 ifeq ($(feature-bionic), 1)
367 BIONIC := 1
368 CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE
369 CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE
370 EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
371 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
372 endif
373endif
374
375ifeq ($(feature-eventfd), 1)
376 CFLAGS += -DHAVE_EVENTFD_SUPPORT
377endif
378
379ifeq ($(feature-get_current_dir_name), 1)
380 CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME
381endif
382
383ifeq ($(feature-gettid), 1)
384 CFLAGS += -DHAVE_GETTID
385endif
386
387ifeq ($(feature-file-handle), 1)
388 CFLAGS += -DHAVE_FILE_HANDLE
389endif
390
391ifdef NO_LIBELF
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
398else
399 ifeq ($(feature-libelf), 0)
400 ifeq ($(feature-glibc), 1)
401 LIBC_SUPPORT := 1
402 endif
403 ifeq ($(BIONIC),1)
404 LIBC_SUPPORT := 1
405 endif
406 ifeq ($(LIBC_SUPPORT),1)
407 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);
408
409 NO_LIBELF := 1
410 NO_DWARF := 1
411 NO_DEMANGLE := 1
412 NO_LIBUNWIND := 1
413 NO_LIBDW_DWARF_UNWIND := 1
414 NO_LIBBPF := 1
415 NO_JVMTI := 1
416 else
417 ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),)
418 ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0)
419 msg := $(error No libasan found, please install libasan);
420 endif
421 endif
422
423 ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),)
424 ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0)
425 msg := $(error No libubsan found, please install libubsan);
426 endif
427 endif
428
429 ifneq ($(filter s% -static%,$(LDFLAGS),),)
430 msg := $(error No static glibc found, please install glibc-static);
431 else
432 msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
433 endif
434 endif
435 else
436 ifndef NO_LIBDW_DWARF_UNWIND
437 ifneq ($(feature-libdw-dwarf-unwind),1)
438 NO_LIBDW_DWARF_UNWIND := 1
439 msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
440 endif
441 endif
442 ifneq ($(feature-dwarf), 1)
443 ifndef NO_DWARF
444 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);
445 NO_DWARF := 1
446 endif
447 else
448 ifneq ($(feature-dwarf_getlocations), 1)
449 msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
450 else
451 CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT
452 endif # dwarf_getlocations
453 endif # Dwarf support
454 endif # libelf support
455endif # NO_LIBELF
456
457ifeq ($(feature-glibc), 1)
458 CFLAGS += -DHAVE_GLIBC_SUPPORT
459endif
460
461ifeq ($(feature-libaio), 1)
462 ifndef NO_AIO
463 CFLAGS += -DHAVE_AIO_SUPPORT
464 endif
465endif
466
467ifdef NO_DWARF
468 NO_LIBDW_DWARF_UNWIND := 1
469endif
470
471ifeq ($(feature-sched_getcpu), 1)
472 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
473endif
474
475ifeq ($(feature-setns), 1)
476 CFLAGS += -DHAVE_SETNS_SUPPORT
477 $(call detected,CONFIG_SETNS)
478endif
479
480ifdef CORESIGHT
481 $(call feature_check,libopencsd)
482 ifeq ($(feature-libopencsd), 1)
483 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
484 ifeq ($(feature-reallocarray), 0)
485 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
486 endif
487 LDFLAGS += $(LIBOPENCSD_LDFLAGS)
488 EXTLIBS += $(OPENCSDLIBS)
489 $(call detected,CONFIG_LIBOPENCSD)
490 ifdef CSTRACE_RAW
491 CFLAGS += -DCS_DEBUG_RAW
492 ifeq (${CSTRACE_RAW}, packed)
493 CFLAGS += -DCS_RAW_PACKED
494 endif
495 endif
496 endif
497endif
498
499ifndef NO_LIBELF
500 CFLAGS += -DHAVE_LIBELF_SUPPORT
501 EXTLIBS += -lelf
502 $(call detected,CONFIG_LIBELF)
503
504 ifeq ($(feature-libelf-getphdrnum), 1)
505 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
506 endif
507
508 ifeq ($(feature-libelf-gelf_getnote), 1)
509 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
510 else
511 msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
512 endif
513
514 ifeq ($(feature-libelf-getshdrstrndx), 1)
515 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
516 endif
517
518 ifndef NO_LIBDEBUGINFOD
519 $(call feature_check,libdebuginfod)
520 ifeq ($(feature-libdebuginfod), 1)
521 CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT
522 EXTLIBS += -ldebuginfod
523 endif
524 endif
525
526 ifndef NO_DWARF
527 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
528 msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
529 NO_DWARF := 1
530 else
531 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
532 LDFLAGS += $(LIBDW_LDFLAGS)
533 EXTLIBS += ${DWARFLIBS}
534 $(call detected,CONFIG_DWARF)
535 endif # PERF_HAVE_DWARF_REGS
536 endif # NO_DWARF
537
538 ifndef NO_LIBBPF
539 ifeq ($(feature-bpf), 1)
540 CFLAGS += -DHAVE_LIBBPF_SUPPORT
541 $(call detected,CONFIG_LIBBPF)
542
543 # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status
544 $(call feature_check,libbpf)
545 ifdef LIBBPF_DYNAMIC
546 ifeq ($(feature-libbpf), 1)
547 EXTLIBS += -lbpf
548 $(call detected,CONFIG_LIBBPF_DYNAMIC)
549 else
550 dummy := $(error Error: No libbpf devel library found, please install libbpf-devel);
551 endif
552 endif
553 endif
554
555 ifndef NO_DWARF
556 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
557 CFLAGS += -DHAVE_BPF_PROLOGUE
558 $(call detected,CONFIG_BPF_PROLOGUE)
559 else
560 msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset());
561 endif
562 else
563 msg := $(warning DWARF support is off, BPF prologue is disabled);
564 endif
565
566 endif # NO_LIBBPF
567endif # NO_LIBELF
568
569ifndef NO_SDT
570 ifneq ($(feature-sdt), 1)
571 msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
572 NO_SDT := 1;
573 else
574 CFLAGS += -DHAVE_SDT_EVENT
575 $(call detected,CONFIG_SDT_EVENT)
576 endif
577endif
578
579ifdef PERF_HAVE_JITDUMP
580 ifndef NO_LIBELF
581 $(call detected,CONFIG_JITDUMP)
582 CFLAGS += -DHAVE_JITDUMP
583 endif
584endif
585
586ifeq ($(SRCARCH),powerpc)
587 ifndef NO_DWARF
588 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
589 endif
590endif
591
592ifndef NO_LIBUNWIND
593 have_libunwind :=
594
595 $(call feature_check,libunwind-x86)
596 ifeq ($(feature-libunwind-x86), 1)
597 $(call detected,CONFIG_LIBUNWIND_X86)
598 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
599 LDFLAGS += -lunwind-x86
600 EXTLIBS_LIBUNWIND += -lunwind-x86
601 have_libunwind = 1
602 endif
603
604 $(call feature_check,libunwind-aarch64)
605 ifeq ($(feature-libunwind-aarch64), 1)
606 $(call detected,CONFIG_LIBUNWIND_AARCH64)
607 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
608 LDFLAGS += -lunwind-aarch64
609 EXTLIBS_LIBUNWIND += -lunwind-aarch64
610 have_libunwind = 1
611 $(call feature_check,libunwind-debug-frame-aarch64)
612 ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
613 msg := $(warning No debug_frame support found in libunwind-aarch64);
614 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
615 endif
616 endif
617
618 ifneq ($(feature-libunwind), 1)
619 msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
620 NO_LOCAL_LIBUNWIND := 1
621 else
622 have_libunwind := 1
623 $(call detected,CONFIG_LOCAL_LIBUNWIND)
624 endif
625
626 ifneq ($(have_libunwind), 1)
627 NO_LIBUNWIND := 1
628 endif
629else
630 NO_LOCAL_LIBUNWIND := 1
631endif
632
633ifndef NO_LIBBPF
634 ifneq ($(feature-bpf), 1)
635 msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
636 NO_LIBBPF := 1
637 endif
638endif
639
640ifdef BUILD_BPF_SKEL
641 $(call feature_check,clang-bpf-co-re)
642 ifeq ($(feature-clang-bpf-co-re), 0)
643 dummy := $(error Error: clang too old/not installed. Please install recent clang to build with BUILD_BPF_SKEL)
644 endif
645 $(call detected,CONFIG_PERF_BPF_SKEL)
646 CFLAGS += -DHAVE_BPF_SKEL
647endif
648
649dwarf-post-unwind := 1
650dwarf-post-unwind-text := BUG
651
652# setup DWARF post unwinder
653ifdef NO_LIBUNWIND
654 ifdef NO_LIBDW_DWARF_UNWIND
655 msg := $(warning Disabling post unwind, no support found.);
656 dwarf-post-unwind := 0
657 else
658 dwarf-post-unwind-text := libdw
659 $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
660 endif
661else
662 dwarf-post-unwind-text := libunwind
663 $(call detected,CONFIG_LIBUNWIND)
664 # Enable libunwind support by default.
665 ifndef NO_LIBDW_DWARF_UNWIND
666 NO_LIBDW_DWARF_UNWIND := 1
667 endif
668endif
669
670ifeq ($(dwarf-post-unwind),1)
671 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
672 $(call detected,CONFIG_DWARF_UNWIND)
673else
674 NO_DWARF_UNWIND := 1
675endif
676
677ifndef NO_LOCAL_LIBUNWIND
678 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
679 $(call feature_check,libunwind-debug-frame)
680 ifneq ($(feature-libunwind-debug-frame), 1)
681 msg := $(warning No debug_frame support found in libunwind);
682 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
683 endif
684 else
685 # non-ARM has no dwarf_find_debug_frame() function:
686 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
687 endif
688 EXTLIBS += $(LIBUNWIND_LIBS)
689 LDFLAGS += $(LIBUNWIND_LIBS)
690endif
691ifeq ($(findstring -static,${LDFLAGS}),-static)
692 # gcc -static links libgcc_eh which contans piece of libunwind
693 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
694endif
695
696ifndef NO_LIBUNWIND
697 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
698 CFLAGS += $(LIBUNWIND_CFLAGS)
699 LDFLAGS += $(LIBUNWIND_LDFLAGS)
700 EXTLIBS += $(EXTLIBS_LIBUNWIND)
701endif
702
703ifeq ($(NO_SYSCALL_TABLE),0)
704 $(call detected,CONFIG_TRACE)
705else
706 ifndef NO_LIBAUDIT
707 $(call feature_check,libaudit)
708 ifneq ($(feature-libaudit), 1)
709 msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
710 NO_LIBAUDIT := 1
711 else
712 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
713 EXTLIBS += -laudit
714 $(call detected,CONFIG_TRACE)
715 endif
716 endif
717endif
718
719ifndef NO_LIBCRYPTO
720 ifneq ($(feature-libcrypto), 1)
721 msg := $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev);
722 NO_LIBCRYPTO := 1
723 else
724 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
725 EXTLIBS += -lcrypto
726 $(call detected,CONFIG_CRYPTO)
727 endif
728endif
729
730ifdef NO_NEWT
731 NO_SLANG=1
732endif
733
734ifndef NO_SLANG
735 ifneq ($(feature-libslang), 1)
736 ifneq ($(feature-libslang-include-subdir), 1)
737 msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
738 NO_SLANG := 1
739 else
740 CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR
741 endif
742 endif
743 ifndef NO_SLANG
744 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
745 CFLAGS += -DHAVE_SLANG_SUPPORT
746 EXTLIBS += -lslang
747 $(call detected,CONFIG_SLANG)
748 endif
749endif
750
751ifdef GTK2
752 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
753 $(call feature_check,gtk2)
754 ifneq ($(feature-gtk2), 1)
755 msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
756 NO_GTK2 := 1
757 else
758 $(call feature_check,gtk2-infobar)
759 ifeq ($(feature-gtk2-infobar), 1)
760 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
761 endif
762 CFLAGS += -DHAVE_GTK2_SUPPORT
763 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
764 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
765 EXTLIBS += -ldl
766 endif
767endif
768
769ifdef NO_LIBPERL
770 CFLAGS += -DNO_LIBPERL
771else
772 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
773 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
774 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
775 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
776 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
777 PERL_EMBED_CCOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(PERL_EMBED_CCOPTS))
778 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
779 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
780
781 ifneq ($(feature-libperl), 1)
782 CFLAGS += -DNO_LIBPERL
783 NO_LIBPERL := 1
784 msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
785 else
786 LDFLAGS += $(PERL_EMBED_LDFLAGS)
787 EXTLIBS += $(PERL_EMBED_LIBADD)
788 CFLAGS += -DHAVE_LIBPERL_SUPPORT
789 $(call detected,CONFIG_LIBPERL)
790 endif
791endif
792
793ifeq ($(feature-timerfd), 1)
794 CFLAGS += -DHAVE_TIMERFD_SUPPORT
795else
796 msg := $(warning No timerfd support. Disables 'perf kvm stat live');
797endif
798
799disable-python = $(eval $(disable-python_code))
800define disable-python_code
801 CFLAGS += -DNO_LIBPYTHON
802 $(warning $1)
803 NO_LIBPYTHON := 1
804endef
805
806ifdef NO_LIBPYTHON
807 $(call disable-python,Python support disabled by user)
808else
809
810 ifndef PYTHON
811 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
812 else
813 PYTHON_WORD := $(call shell-wordify,$(PYTHON))
814
815 ifndef PYTHON_CONFIG
816 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
817 else
818
819 ifneq ($(feature-libpython), 1)
820 $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
821 else
822 LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
823 EXTLIBS += $(PYTHON_EMBED_LIBADD)
824 LANG_BINDINGS += $(obj-perf)python/perf.so
825 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
826 $(call detected,CONFIG_LIBPYTHON)
827 endif
828 endif
829 endif
830endif
831
832ifeq ($(feature-libbfd), 1)
833 EXTLIBS += -lbfd -lopcodes
834else
835 # we are on a system that requires -liberty and (maybe) -lz
836 # to link against -lbfd; test each case individually here
837
838 # call all detections now so we get correct
839 # status in VF output
840 $(call feature_check,libbfd-liberty)
841 $(call feature_check,libbfd-liberty-z)
842
843 ifeq ($(feature-libbfd-liberty), 1)
844 EXTLIBS += -lbfd -lopcodes -liberty
845 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl
846 else
847 ifeq ($(feature-libbfd-liberty-z), 1)
848 EXTLIBS += -lbfd -lopcodes -liberty -lz
849 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl
850 endif
851 endif
852 $(call feature_check,disassembler-four-args)
853endif
854
855ifeq ($(feature-libbfd-buildid), 1)
856 CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT
857else
858 msg := $(warning Old version of libbfd/binutils things like PE executable profiling will not be available);
859endif
860
861ifdef NO_DEMANGLE
862 CFLAGS += -DNO_DEMANGLE
863else
864 ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
865 EXTLIBS += -liberty
866 else
867 ifeq ($(filter -liberty,$(EXTLIBS)),)
868 $(call feature_check,cplus-demangle)
869
870 # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
871 # or any of 'bfd iberty z' trinity
872 ifeq ($(feature-cplus-demangle), 1)
873 EXTLIBS += -liberty
874 else
875 msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
876 CFLAGS += -DNO_DEMANGLE
877 endif
878 endif
879 endif
880
881 ifneq ($(filter -liberty,$(EXTLIBS)),)
882 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
883 endif
884endif
885
886ifneq ($(filter -lbfd,$(EXTLIBS)),)
887 CFLAGS += -DHAVE_LIBBFD_SUPPORT
888endif
889
890ifndef NO_ZLIB
891 ifeq ($(feature-zlib), 1)
892 CFLAGS += -DHAVE_ZLIB_SUPPORT
893 EXTLIBS += -lz
894 $(call detected,CONFIG_ZLIB)
895 else
896 NO_ZLIB := 1
897 endif
898endif
899
900ifndef NO_LZMA
901 ifeq ($(feature-lzma), 1)
902 CFLAGS += -DHAVE_LZMA_SUPPORT
903 EXTLIBS += -llzma
904 $(call detected,CONFIG_LZMA)
905 else
906 msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
907 NO_LZMA := 1
908 endif
909endif
910
911ifndef NO_LIBZSTD
912 ifeq ($(feature-libzstd), 1)
913 CFLAGS += -DHAVE_ZSTD_SUPPORT
914 CFLAGS += $(LIBZSTD_CFLAGS)
915 LDFLAGS += $(LIBZSTD_LDFLAGS)
916 EXTLIBS += -lzstd
917 $(call detected,CONFIG_ZSTD)
918 else
919 msg := $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR);
920 NO_LIBZSTD := 1
921 endif
922endif
923
924ifndef NO_LIBCAP
925 ifeq ($(feature-libcap), 1)
926 CFLAGS += -DHAVE_LIBCAP_SUPPORT
927 EXTLIBS += -lcap
928 $(call detected,CONFIG_LIBCAP)
929 else
930 msg := $(warning No libcap found, disables capability support, please install libcap-devel/libcap-dev);
931 NO_LIBCAP := 1
932 endif
933endif
934
935ifndef NO_BACKTRACE
936 ifeq ($(feature-backtrace), 1)
937 CFLAGS += -DHAVE_BACKTRACE_SUPPORT
938 endif
939endif
940
941ifndef NO_LIBNUMA
942 ifeq ($(feature-libnuma), 0)
943 msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
944 NO_LIBNUMA := 1
945 else
946 ifeq ($(feature-numa_num_possible_cpus), 0)
947 msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
948 NO_LIBNUMA := 1
949 else
950 CFLAGS += -DHAVE_LIBNUMA_SUPPORT
951 EXTLIBS += -lnuma
952 $(call detected,CONFIG_NUMA)
953 endif
954 endif
955endif
956
957ifdef HAVE_KVM_STAT_SUPPORT
958 CFLAGS += -DHAVE_KVM_STAT_SUPPORT
959endif
960
961ifeq ($(feature-disassembler-four-args), 1)
962 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
963endif
964
965ifeq (${IS_64_BIT}, 1)
966 ifndef NO_PERF_READ_VDSO32
967 $(call feature_check,compile-32)
968 ifeq ($(feature-compile-32), 1)
969 CFLAGS += -DHAVE_PERF_READ_VDSO32
970 else
971 NO_PERF_READ_VDSO32 := 1
972 endif
973 endif
974 ifneq ($(SRCARCH), x86)
975 NO_PERF_READ_VDSOX32 := 1
976 endif
977 ifndef NO_PERF_READ_VDSOX32
978 $(call feature_check,compile-x32)
979 ifeq ($(feature-compile-x32), 1)
980 CFLAGS += -DHAVE_PERF_READ_VDSOX32
981 else
982 NO_PERF_READ_VDSOX32 := 1
983 endif
984 endif
985else
986 NO_PERF_READ_VDSO32 := 1
987 NO_PERF_READ_VDSOX32 := 1
988endif
989
990ifndef NO_LIBBABELTRACE
991 $(call feature_check,libbabeltrace)
992 ifeq ($(feature-libbabeltrace), 1)
993 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
994 LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
995 EXTLIBS += -lbabeltrace-ctf
996 $(call detected,CONFIG_LIBBABELTRACE)
997 else
998 msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
999 endif
1000endif
1001
1002ifndef NO_AUXTRACE
1003 ifeq ($(SRCARCH),x86)
1004 ifeq ($(feature-get_cpuid), 0)
1005 msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
1006 NO_AUXTRACE := 1
1007 endif
1008 endif
1009 ifndef NO_AUXTRACE
1010 $(call detected,CONFIG_AUXTRACE)
1011 CFLAGS += -DHAVE_AUXTRACE_SUPPORT
1012 endif
1013endif
1014
1015ifndef NO_JVMTI
1016 ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
1017 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
1018 else
1019 ifneq (,$(wildcard /usr/sbin/alternatives))
1020 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g')
1021 endif
1022 endif
1023 ifndef JDIR
1024 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
1025 NO_JVMTI := 1
1026 endif
1027endif
1028
1029ifndef NO_JVMTI
1030 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
1031 $(call feature_check,jvmti)
1032 ifeq ($(feature-jvmti), 1)
1033 $(call detected_var,JDIR)
1034 ifndef NO_JVMTI_CMLR
1035 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti)
1036 $(call feature_check,jvmti-cmlr)
1037 ifeq ($(feature-jvmti-cmlr), 1)
1038 CFLAGS += -DHAVE_JVMTI_CMLR
1039 endif
1040 endif # NO_JVMTI_CMLR
1041 else
1042 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel)
1043 NO_JVMTI := 1
1044 endif
1045endif
1046
1047USE_CXX = 0
1048USE_CLANGLLVM = 0
1049ifdef LIBCLANGLLVM
1050 $(call feature_check,cxx)
1051 ifneq ($(feature-cxx), 1)
1052 msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
1053 else
1054 $(call feature_check,llvm)
1055 $(call feature_check,llvm-version)
1056 ifneq ($(feature-llvm), 1)
1057 msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
1058 else
1059 $(call feature_check,clang)
1060 ifneq ($(feature-clang), 1)
1061 msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
1062 else
1063 CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
1064 CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
1065 $(call detected,CONFIG_CXX)
1066 $(call detected,CONFIG_CLANGLLVM)
1067 USE_CXX = 1
1068 USE_LLVM = 1
1069 USE_CLANG = 1
1070 ifneq ($(feature-llvm-version),1)
1071 msg := $(warning This version of LLVM is not tested. May cause build errors)
1072 endif
1073 endif
1074 endif
1075 endif
1076endif
1077
1078ifdef LIBPFM4
1079 $(call feature_check,libpfm4)
1080 ifeq ($(feature-libpfm4), 1)
1081 CFLAGS += -DHAVE_LIBPFM
1082 EXTLIBS += -lpfm
1083 ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1
1084 $(call detected,CONFIG_LIBPFM4)
1085 else
1086 msg := $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev);
1087 NO_LIBPFM4 := 1
1088 endif
1089endif
1090
1091ifdef LIBTRACEEVENT_DYNAMIC
1092 $(call feature_check,libtraceevent)
1093 ifeq ($(feature-libtraceevent), 1)
1094 EXTLIBS += -ltraceevent
1095 else
1096 dummy := $(error Error: No libtraceevent devel library found, please install libtraceevent-devel);
1097 endif
1098endif
1099
1100# Among the variables below, these:
1101# perfexecdir
1102# perf_include_dir
1103# perf_examples_dir
1104# template_dir
1105# mandir
1106# infodir
1107# htmldir
1108# ETC_PERFCONFIG (but not sysconfdir)
1109# can be specified as a relative path some/where/else;
1110# this is interpreted as relative to $(prefix) and "perf" at
1111# runtime figures out where they are based on the path to the executable.
1112# This can help installing the suite in a relocatable way.
1113
1114# Make the path relative to DESTDIR, not to prefix
1115ifndef DESTDIR
1116prefix ?= $(HOME)
1117endif
1118bindir_relative = bin
1119bindir = $(abspath $(prefix)/$(bindir_relative))
1120includedir_relative = include
1121includedir = $(abspath $(prefix)/$(includedir_relative))
1122mandir = share/man
1123infodir = share/info
1124perfexecdir = libexec/perf-core
1125perf_include_dir = lib/perf/include
1126perf_examples_dir = lib/perf/examples
1127sharedir = $(prefix)/share
1128template_dir = share/perf-core/templates
1129STRACE_GROUPS_DIR = share/perf-core/strace/groups
1130htmldir = share/doc/perf-doc
1131tipdir = share/doc/perf-tip
1132srcdir = $(srctree)/tools/perf
1133ifeq ($(prefix),/usr)
1134sysconfdir = /etc
1135ETC_PERFCONFIG = $(sysconfdir)/perfconfig
1136else
1137sysconfdir = $(prefix)/etc
1138ETC_PERFCONFIG = etc/perfconfig
1139endif
1140ifndef lib
1141ifeq ($(SRCARCH)$(IS_64_BIT), x861)
1142lib = lib64
1143else
1144lib = lib
1145endif
1146endif # lib
1147libdir = $(prefix)/$(lib)
1148
1149# Shell quote (do not use $(call) to accommodate ancient setups);
1150ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
1151STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
1152DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
1153bindir_SQ = $(subst ','\'',$(bindir))
1154includedir_SQ = $(subst ','\'',$(includedir))
1155mandir_SQ = $(subst ','\'',$(mandir))
1156infodir_SQ = $(subst ','\'',$(infodir))
1157perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
1158perf_include_dir_SQ = $(subst ','\'',$(perf_include_dir))
1159perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir))
1160template_dir_SQ = $(subst ','\'',$(template_dir))
1161htmldir_SQ = $(subst ','\'',$(htmldir))
1162tipdir_SQ = $(subst ','\'',$(tipdir))
1163prefix_SQ = $(subst ','\'',$(prefix))
1164sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
1165libdir_SQ = $(subst ','\'',$(libdir))
1166srcdir_SQ = $(subst ','\'',$(srcdir))
1167
1168ifneq ($(filter /%,$(firstword $(perfexecdir))),)
1169perfexec_instdir = $(perfexecdir)
1170perf_include_instdir = $(perf_include_dir)
1171perf_examples_instdir = $(perf_examples_dir)
1172STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
1173tip_instdir = $(tipdir)
1174else
1175perfexec_instdir = $(prefix)/$(perfexecdir)
1176perf_include_instdir = $(prefix)/$(perf_include_dir)
1177perf_examples_instdir = $(prefix)/$(perf_examples_dir)
1178STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
1179tip_instdir = $(prefix)/$(tipdir)
1180endif
1181perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
1182perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir))
1183perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir))
1184STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
1185tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
1186
1187# If we install to $(HOME) we keep the traceevent default:
1188# $(HOME)/.traceevent/plugins
1189# Otherwise we install plugins into the global $(libdir).
1190ifdef DESTDIR
1191plugindir=$(libdir)/traceevent/plugins
1192plugindir_SQ= $(subst ','\'',$(plugindir))
1193endif
1194
1195print_var = $(eval $(print_var_code)) $(info $(MSG))
1196define print_var_code
1197 MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
1198endef
1199
1200ifeq ($(VF),1)
1201 # Display EXTRA features which are detected manualy
1202 # from here with feature_check call and thus cannot
1203 # be partof global state output.
1204 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),))
1205 $(call print_var,prefix)
1206 $(call print_var,bindir)
1207 $(call print_var,libdir)
1208 $(call print_var,sysconfdir)
1209 $(call print_var,LIBUNWIND_DIR)
1210 $(call print_var,LIBDW_DIR)
1211 $(call print_var,JDIR)
1212
1213 ifeq ($(dwarf-post-unwind),1)
1214 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
1215 endif
1216 $(info )
1217endif
1218
1219$(call detected_var,bindir_SQ)
1220$(call detected_var,PYTHON_WORD)
1221ifneq ($(OUTPUT),)
1222$(call detected_var,OUTPUT)
1223endif
1224$(call detected_var,htmldir_SQ)
1225$(call detected_var,infodir_SQ)
1226$(call detected_var,mandir_SQ)
1227$(call detected_var,ETC_PERFCONFIG_SQ)
1228$(call detected_var,STRACE_GROUPS_DIR_SQ)
1229$(call detected_var,prefix_SQ)
1230$(call detected_var,perfexecdir_SQ)
1231$(call detected_var,perf_include_dir_SQ)
1232$(call detected_var,perf_examples_dir_SQ)
1233$(call detected_var,tipdir_SQ)
1234$(call detected_var,srcdir_SQ)
1235$(call detected_var,LIBDIR)
1236$(call detected_var,GTK_CFLAGS)
1237$(call detected_var,PERL_EMBED_CCOPTS)
1238$(call detected_var,PYTHON_EMBED_CCOPTS)
1239ifneq ($(BISON_FILE_PREFIX_MAP),)
1240$(call detected_var,BISON_FILE_PREFIX_MAP)
1241endif
1242
1243# re-generate FEATURE-DUMP as we may have called feature_check, found out
1244# extra libraries to add to LDFLAGS of some other test and then redo those
1245# tests, see the block about libbfd, disassembler-four-args, for instance.
1246$(shell rm -f $(FEATURE_DUMP_FILENAME))
1247$(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME)))
1248
1249ifeq ($(feature_display),1)
1250 $(call feature_display_entries)
1251endif