1 # SPDX-License-Identifier: GPL-2.0-only
4 src-perf := $(srctree)/tools/perf
12 obj-perf := $(abspath $(obj-perf))/
15 $(shell printf "" > $(OUTPUT).config-detected)
16 detected = $(shell echo "$(1)=y" >> $(OUTPUT).config-detected)
17 detected_var = $(shell echo "$(1)=$($(1))" >> $(OUTPUT).config-detected)
19 CFLAGS := $(EXTRA_CFLAGS) $(filter-out -Wnested-externs,$(EXTRA_WARNINGS))
20 HOSTCFLAGS := $(filter-out -Wnested-externs,$(EXTRA_WARNINGS))
22 # Enabled Wthread-safety analysis for clang builds.
23 ifeq ($(CC_NO_CLANG), 0)
24 CFLAGS += -Wthread-safety
27 include $(srctree)/tools/scripts/Makefile.arch
29 $(call detected_var,SRCARCH)
33 ifneq ($(NO_SYSCALL_TABLE),1)
37 ifeq (${IS_64_BIT}, 1)
41 ifeq ($(SRCARCH),$(filter $(SRCARCH),powerpc arm64 s390 mips))
46 ifneq ($(NO_SYSCALL_TABLE),1)
47 CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT
51 # Additional ARCH settings for ppc
52 ifeq ($(SRCARCH),powerpc)
54 CFLAGS += -I$(OUTPUT)arch/powerpc/include/generated
55 LIBUNWIND_LIBS := -lunwind -lunwind-ppc64
58 # Additional ARCH settings for 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 $(call detected,CONFIG_X86_64)
67 LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind
74 LIBUNWIND_LIBS = -lunwind -lunwind-arm
77 ifeq ($(SRCARCH),arm64)
79 CFLAGS += -I$(OUTPUT)arch/arm64/include/generated
80 LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
83 ifeq ($(SRCARCH),riscv)
87 ifeq ($(SRCARCH),csky)
93 CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated
98 CFLAGS += -I$(OUTPUT)arch/mips/include/generated
99 LIBUNWIND_LIBS = -lunwind -lunwind-mips
102 ifeq ($(NO_PERF_REGS),0)
103 $(call detected,CONFIG_PERF_REGS)
106 # So far there's only x86 and arm libdw unwind support merged in perf.
107 # Disable it on all other architectures in case libdw unwind
108 # support is detected in system. Add supported architectures
110 ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390 csky riscv))
111 NO_LIBDW_DWARF_UNWIND := 1
114 ifeq ($(LIBUNWIND_LIBS),)
118 # For linking with debug library, run like:
120 # make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
123 libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
124 define libunwind_arch_set_flags_code
125 FEATURE_CHECK_CFLAGS-libunwind-$(1) = -I$(LIBUNWIND_DIR)/include
126 FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
130 LIBUNWIND_CFLAGS = -I$(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)))
136 # Set per-feature check compilation flags
137 FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
138 FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
139 FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
140 FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
142 FEATURE_CHECK_LDFLAGS-libunwind-arm += -lunwind -lunwind-arm
143 FEATURE_CHECK_LDFLAGS-libunwind-aarch64 += -lunwind -lunwind-aarch64
144 FEATURE_CHECK_LDFLAGS-libunwind-x86 += -lunwind -llzma -lunwind-x86
145 FEATURE_CHECK_LDFLAGS-libunwind-x86_64 += -lunwind -llzma -lunwind-x86_64
147 FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto
150 LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)
152 OPENCSDLIBS := -lopencsd_c_api
153 ifeq ($(findstring -static,${LDFLAGS}),-static)
154 OPENCSDLIBS += -lopencsd -lstdc++
157 LIBOPENCSD_LDFLAGS := -L$(CSLIBS)
159 FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS)
160 FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS)
162 ifeq ($(NO_PERF_REGS),0)
163 CFLAGS += -DHAVE_PERF_REGS_SUPPORT
166 # for linking with debug library, run like:
167 # make DEBUG=1 LIBDW_DIR=/opt/libdw/
169 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include
170 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
173 ifeq ($(findstring -static,${LDFLAGS}),-static)
174 DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2
176 FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
177 FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS)
179 # for linking with debug library, run like:
180 # make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
181 ifdef LIBBABELTRACE_DIR
182 LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include
183 LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
185 FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
186 FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
189 LIBZSTD_CFLAGS := -I$(LIBZSTD_DIR)/lib
190 LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib
192 FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS)
193 FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS)
195 FEATURE_CHECK_CFLAGS-bpf = -I. -I$(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
199 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
200 CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
203 include $(srctree)/tools/scripts/utilities.mak
205 ifeq ($(call get-executable,$(FLEX)),)
206 dummy := $(error Error: $(FLEX) is missing on this system, please install it)
209 ifeq ($(call get-executable,$(BISON)),)
210 dummy := $(error Error: $(BISON) is missing on this system, please install it)
214 ifeq ($(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=$(OUTPUT)=
219 # Treat warnings as errors unless directed not to
221 CORE_CFLAGS += -Werror
223 HOSTCFLAGS += -Werror
231 ifeq ($(CC_NO_CLANG), 0)
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)
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.
252 # * $(PYTHON)-config (If PYTHON is user supplied but PYTHON_CONFIG isn't)
254 PYTHON_AUTO := python-config
255 PYTHON_AUTO := $(if $(call get-executable,python2-config),python2-config,$(PYTHON_AUTO))
256 PYTHON_AUTO := $(if $(call get-executable,python-config),python-config,$(PYTHON_AUTO))
257 PYTHON_AUTO := $(if $(call get-executable,python3-config),python3-config,$(PYTHON_AUTO))
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.
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)))
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
272 override PYTHON_CONFIG := $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON_AUTO))
273 override PYTHON := $(call get-executable-or-default,PYTHON,$(subst -config,,$(PYTHON_CONFIG)))
275 grep-libs = $(filter -l%,$(1))
276 strip-libs = $(filter-out -l%,$(1))
278 PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
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
283 ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0)
284 PYTHON_CONFIG_LDFLAGS := --ldflags --embed
286 PYTHON_CONFIG_LDFLAGS := --ldflags
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))
300 FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
301 FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
303 FEATURE_CHECK_LDFLAGS-libaio = -lrt
305 CORE_CFLAGS += -fno-omit-frame-pointer
306 CORE_CFLAGS += -ggdb3
307 CORE_CFLAGS += -funwind-tables
309 CORE_CFLAGS += -Wextra
310 CORE_CFLAGS += -std=gnu11
312 CXXFLAGS += -std=gnu++14 -fno-exceptions -fno-rtti
314 CXXFLAGS += -fno-omit-frame-pointer
316 CXXFLAGS += -funwind-tables
317 CXXFLAGS += -Wno-strict-aliasing
320 HOSTCFLAGS += -Wextra
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.
324 LDFLAGS += -Wl,-z,noexecstack
326 EXTLIBS = -lpthread -lrt -lm -ldl
329 CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free
330 EXTLIBS += -ltcmalloc
333 ifeq ($(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
337 include $(srctree)/tools/build/Makefile.feature
339 include $(FEATURES_DUMP)
342 ifeq ($(feature-stackprotector-all), 1)
343 CORE_CFLAGS += -fstack-protector-all
347 ifeq ($(feature-fortify-source), 1)
348 CORE_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
352 INC_FLAGS += -I$(src-perf)/util/include
353 INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
354 INC_FLAGS += -I$(srctree)/tools/include/
355 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
356 INC_FLAGS += -I$(srctree)/tools/include/uapi
357 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
358 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
360 # $(obj-perf) for generated common-cmds.h
361 # $(obj-perf)/util for generated bison/flex headers
363 INC_FLAGS += -I$(obj-perf)/util
364 INC_FLAGS += -I$(obj-perf)
367 INC_FLAGS += -I$(src-perf)/util
368 INC_FLAGS += -I$(src-perf)
370 CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
372 CFLAGS += $(CORE_CFLAGS) $(INC_FLAGS)
373 CXXFLAGS += $(INC_FLAGS)
375 LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS)
377 ifeq ($(feature-pthread-attr-setaffinity-np), 1)
378 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
381 ifeq ($(feature-pthread-barrier), 1)
382 CFLAGS += -DHAVE_PTHREAD_BARRIER
386 $(call feature_check,bionic)
387 ifeq ($(feature-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))
396 ifeq ($(feature-eventfd), 1)
397 CFLAGS += -DHAVE_EVENTFD_SUPPORT
400 ifeq ($(feature-get_current_dir_name), 1)
401 CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME
404 ifeq ($(feature-gettid), 1)
405 CFLAGS += -DHAVE_GETTID
408 ifeq ($(feature-file-handle), 1)
409 CFLAGS += -DHAVE_FILE_HANDLE
416 NO_LIBDW_DWARF_UNWIND := 1
420 ifeq ($(feature-libelf), 0)
421 ifeq ($(feature-glibc), 1)
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);
434 NO_LIBDW_DWARF_UNWIND := 1
438 ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),)
439 ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0)
440 msg := $(error No libasan found, please install libasan);
444 ifneq ($(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);
450 ifneq ($(filter s% -static%,$(LDFLAGS),),)
451 msg := $(error No static glibc found, please install glibc-static);
453 msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
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);
463 ifneq ($(feature-dwarf), 1)
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);
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);
472 CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT
473 endif # dwarf_getlocations
474 endif # Dwarf support
475 endif # libelf support
478 ifeq ($(feature-glibc), 1)
479 CFLAGS += -DHAVE_GLIBC_SUPPORT
482 ifeq ($(feature-libaio), 1)
484 CFLAGS += -DHAVE_AIO_SUPPORT
489 NO_LIBDW_DWARF_UNWIND := 1
492 ifeq ($(feature-sched_getcpu), 1)
493 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
496 ifeq ($(feature-setns), 1)
497 CFLAGS += -DHAVE_SETNS_SUPPORT
498 $(call detected,CONFIG_SETNS)
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
508 LDFLAGS += $(LIBOPENCSD_LDFLAGS)
509 EXTLIBS += $(OPENCSDLIBS)
510 $(call detected,CONFIG_LIBOPENCSD)
512 CFLAGS += -DCS_DEBUG_RAW
513 ifeq (${CSTRACE_RAW}, packed)
514 CFLAGS += -DCS_RAW_PACKED
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)
523 CFLAGS += -DHAVE_LIBELF_SUPPORT
525 $(call detected,CONFIG_LIBELF)
527 ifeq ($(feature-libelf-getphdrnum), 1)
528 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
531 ifeq ($(feature-libelf-gelf_getnote), 1)
532 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
534 msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
537 ifeq ($(feature-libelf-getshdrstrndx), 1)
538 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
541 ifndef NO_LIBDEBUGINFOD
542 $(call feature_check,libdebuginfod)
543 ifeq ($(feature-libdebuginfod), 1)
544 CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT
545 EXTLIBS += -ldebuginfod
550 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
551 msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
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
562 ifeq ($(feature-bpf), 1)
563 CFLAGS += -DHAVE_LIBBPF_SUPPORT
564 $(call detected,CONFIG_LIBBPF)
566 # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status
567 $(call feature_check,libbpf)
569 ifeq ($(feature-libbpf), 1)
571 $(call detected,CONFIG_LIBBPF_DYNAMIC)
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
577 $(call feature_check,libbpf-bpf_prog_load)
578 ifeq ($(feature-libbpf-bpf_prog_load), 1)
579 CFLAGS += -DHAVE_LIBBPF_BPF_PROG_LOAD
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
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
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
593 $(call feature_check,libbpf-btf__raw_data)
594 ifeq ($(feature-libbpf-btf__raw_data), 1)
595 CFLAGS += -DHAVE_LIBBPF_BTF__RAW_DATA
597 $(call feature_check,libbpf-bpf_map_create)
598 ifeq ($(feature-libbpf-bpf_map_create), 1)
599 CFLAGS += -DHAVE_LIBBPF_BPF_MAP_CREATE
602 dummy := $(error Error: No libbpf devel library found, please install libbpf-devel);
605 CFLAGS += -DHAVE_LIBBPF_BTF__LOAD_FROM_KERNEL_BY_ID
606 CFLAGS += -DHAVE_LIBBPF_BPF_PROG_LOAD
607 CFLAGS += -DHAVE_LIBBPF_BPF_OBJECT__NEXT_PROGRAM
608 CFLAGS += -DHAVE_LIBBPF_BPF_OBJECT__NEXT_MAP
609 CFLAGS += -DHAVE_LIBBPF_BPF_PROGRAM__SET_INSNS
610 CFLAGS += -DHAVE_LIBBPF_BTF__RAW_DATA
611 CFLAGS += -DHAVE_LIBBPF_BPF_MAP_CREATE
616 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
617 CFLAGS += -DHAVE_BPF_PROLOGUE
618 $(call detected,CONFIG_BPF_PROLOGUE)
620 msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset());
623 msg := $(warning DWARF support is off, BPF prologue is disabled);
630 ifneq ($(feature-sdt), 1)
631 msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
634 CFLAGS += -DHAVE_SDT_EVENT
635 $(call detected,CONFIG_SDT_EVENT)
639 ifdef PERF_HAVE_JITDUMP
641 $(call detected,CONFIG_JITDUMP)
642 CFLAGS += -DHAVE_JITDUMP
646 ifeq ($(SRCARCH),powerpc)
648 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
655 $(call feature_check,libunwind-x86)
656 ifeq ($(feature-libunwind-x86), 1)
657 $(call detected,CONFIG_LIBUNWIND_X86)
658 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
659 LDFLAGS += -lunwind-x86
660 EXTLIBS_LIBUNWIND += -lunwind-x86
664 $(call feature_check,libunwind-aarch64)
665 ifeq ($(feature-libunwind-aarch64), 1)
666 $(call detected,CONFIG_LIBUNWIND_AARCH64)
667 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
668 LDFLAGS += -lunwind-aarch64
669 EXTLIBS_LIBUNWIND += -lunwind-aarch64
671 $(call feature_check,libunwind-debug-frame-aarch64)
672 ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
673 msg := $(warning No debug_frame support found in libunwind-aarch64);
674 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
678 ifneq ($(feature-libunwind), 1)
679 msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
680 NO_LOCAL_LIBUNWIND := 1
683 $(call detected,CONFIG_LOCAL_LIBUNWIND)
686 ifneq ($(have_libunwind), 1)
690 NO_LOCAL_LIBUNWIND := 1
694 ifneq ($(feature-bpf), 1)
695 msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
701 $(call feature_check,clang-bpf-co-re)
702 ifeq ($(feature-clang-bpf-co-re), 0)
703 dummy := $(error Error: clang too old/not installed. Please install recent clang to build with BUILD_BPF_SKEL)
705 ifeq ($(filter -DHAVE_LIBBPF_SUPPORT, $(CFLAGS)),)
706 dummy := $(error Error: BPF skeleton support requires libbpf)
708 $(call detected,CONFIG_PERF_BPF_SKEL)
709 CFLAGS += -DHAVE_BPF_SKEL
712 dwarf-post-unwind := 1
713 dwarf-post-unwind-text := BUG
715 # setup DWARF post unwinder
717 ifdef NO_LIBDW_DWARF_UNWIND
718 msg := $(warning Disabling post unwind, no support found.);
719 dwarf-post-unwind := 0
721 dwarf-post-unwind-text := libdw
722 $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
725 dwarf-post-unwind-text := libunwind
726 $(call detected,CONFIG_LIBUNWIND)
727 # Enable libunwind support by default.
728 ifndef NO_LIBDW_DWARF_UNWIND
729 NO_LIBDW_DWARF_UNWIND := 1
733 ifeq ($(dwarf-post-unwind),1)
734 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
735 $(call detected,CONFIG_DWARF_UNWIND)
740 ifndef NO_LOCAL_LIBUNWIND
741 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
742 $(call feature_check,libunwind-debug-frame)
743 ifneq ($(feature-libunwind-debug-frame), 1)
744 msg := $(warning No debug_frame support found in libunwind);
745 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
748 # non-ARM has no dwarf_find_debug_frame() function:
749 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
751 EXTLIBS += $(LIBUNWIND_LIBS)
752 LDFLAGS += $(LIBUNWIND_LIBS)
754 ifeq ($(findstring -static,${LDFLAGS}),-static)
755 # gcc -static links libgcc_eh which contans piece of libunwind
756 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
760 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
761 CFLAGS += $(LIBUNWIND_CFLAGS)
762 LDFLAGS += $(LIBUNWIND_LDFLAGS)
763 EXTLIBS += $(EXTLIBS_LIBUNWIND)
766 ifneq ($(NO_LIBTRACEEVENT),1)
767 ifeq ($(NO_SYSCALL_TABLE),0)
768 $(call detected,CONFIG_TRACE)
771 $(call feature_check,libaudit)
772 ifneq ($(feature-libaudit), 1)
773 msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
776 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
778 $(call detected,CONFIG_TRACE)
785 ifneq ($(feature-libcrypto), 1)
786 msg := $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev);
789 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
791 $(call detected,CONFIG_CRYPTO)
800 ifneq ($(feature-libslang), 1)
801 ifneq ($(feature-libslang-include-subdir), 1)
802 msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
805 CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR
809 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
810 CFLAGS += -DHAVE_SLANG_SUPPORT
812 $(call detected,CONFIG_SLANG)
817 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
818 $(call feature_check,gtk2)
819 ifneq ($(feature-gtk2), 1)
820 msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
823 $(call feature_check,gtk2-infobar)
824 ifeq ($(feature-gtk2-infobar), 1)
825 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
827 CFLAGS += -DHAVE_GTK2_SUPPORT
828 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
829 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
835 CFLAGS += -DNO_LIBPERL
837 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
838 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
839 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
840 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
841 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
842 PERL_EMBED_CCOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(PERL_EMBED_CCOPTS))
843 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
844 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
846 ifneq ($(feature-libperl), 1)
847 CFLAGS += -DNO_LIBPERL
849 msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
851 LDFLAGS += $(PERL_EMBED_LDFLAGS)
852 EXTLIBS += $(PERL_EMBED_LIBADD)
853 CFLAGS += -DHAVE_LIBPERL_SUPPORT
854 ifeq ($(CC_NO_CLANG), 0)
855 CFLAGS += -Wno-compound-token-split-by-macro
857 $(call detected,CONFIG_LIBPERL)
861 ifeq ($(feature-timerfd), 1)
862 CFLAGS += -DHAVE_TIMERFD_SUPPORT
864 msg := $(warning No timerfd support. Disables 'perf kvm stat live');
867 disable-python = $(eval $(disable-python_code))
868 define disable-python_code
869 CFLAGS += -DNO_LIBPYTHON
874 PYTHON_EXTENSION_SUFFIX := '.so'
876 $(call disable-python,Python support disabled by user)
880 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
882 PYTHON_WORD := $(call shell-wordify,$(PYTHON))
885 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
888 ifneq ($(feature-libpython), 1)
889 $(call disable-python,No 'Python.h' was found: disables Python support - please install python-devel/python-dev)
891 LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
892 EXTLIBS += $(PYTHON_EMBED_LIBADD)
893 PYTHON_SETUPTOOLS_INSTALLED := $(shell $(PYTHON) -c 'import setuptools;' 2> /dev/null && echo "yes" || echo "no")
894 ifeq ($(PYTHON_SETUPTOOLS_INSTALLED), yes)
895 PYTHON_EXTENSION_SUFFIX := $(shell $(PYTHON) -c 'from importlib import machinery; print(machinery.EXTENSION_SUFFIXES[0])')
896 LANG_BINDINGS += $(obj-perf)python/perf$(PYTHON_EXTENSION_SUFFIX)
898 msg := $(warning Missing python setuptools, the python binding won't be built, please install python3-setuptools or equivalent);
900 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
901 $(call detected,CONFIG_LIBPYTHON)
907 ifneq ($(NO_JEVENTS),1)
908 ifeq ($(wildcard pmu-events/arch/$(SRCARCH)/mapfile.csv),)
912 ifneq ($(NO_JEVENTS),1)
915 $(warning No python interpreter disabling jevent generation)
918 # jevents.py uses f-strings present in Python 3.6 released in Dec. 2016.
919 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)
920 ifneq ($(JEVENTS_PYTHON_GOOD), 1)
921 $(warning Python interpreter too old (older than 3.6) disabling jevent generation)
928 ifeq ($(feature-libbfd), 1)
929 EXTLIBS += -lbfd -lopcodes
931 # we are on a system that requires -liberty and (maybe) -lz
932 # to link against -lbfd; test each case individually here
934 # call all detections now so we get correct
935 # status in VF output
936 $(call feature_check,libbfd-liberty)
937 $(call feature_check,libbfd-liberty-z)
939 ifeq ($(feature-libbfd-liberty), 1)
940 EXTLIBS += -lbfd -lopcodes -liberty
942 ifeq ($(feature-libbfd-liberty-z), 1)
943 EXTLIBS += -lbfd -lopcodes -liberty -lz
946 $(call feature_check,disassembler-four-args)
947 $(call feature_check,disassembler-init-styled)
950 ifeq ($(feature-libbfd-buildid), 1)
951 CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT
953 msg := $(warning Old version of libbfd/binutils things like PE executable profiling will not be available);
958 CFLAGS += -DNO_DEMANGLE
960 ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
963 ifeq ($(filter -liberty,$(EXTLIBS)),)
964 $(call feature_check,cplus-demangle)
966 # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
967 # or any of 'bfd iberty z' trinity
968 ifeq ($(feature-cplus-demangle), 1)
971 msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
972 CFLAGS += -DNO_DEMANGLE
977 ifneq ($(filter -liberty,$(EXTLIBS)),)
978 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
982 ifneq ($(filter -lbfd,$(EXTLIBS)),)
983 CFLAGS += -DHAVE_LIBBFD_SUPPORT
987 ifeq ($(feature-zlib), 1)
988 CFLAGS += -DHAVE_ZLIB_SUPPORT
990 $(call detected,CONFIG_ZLIB)
997 ifeq ($(feature-lzma), 1)
998 CFLAGS += -DHAVE_LZMA_SUPPORT
1000 $(call detected,CONFIG_LZMA)
1002 msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
1008 ifeq ($(feature-libzstd), 1)
1009 CFLAGS += -DHAVE_ZSTD_SUPPORT
1010 CFLAGS += $(LIBZSTD_CFLAGS)
1011 LDFLAGS += $(LIBZSTD_LDFLAGS)
1013 $(call detected,CONFIG_ZSTD)
1015 msg := $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR);
1021 ifeq ($(feature-libcap), 1)
1022 CFLAGS += -DHAVE_LIBCAP_SUPPORT
1024 $(call detected,CONFIG_LIBCAP)
1026 msg := $(warning No libcap found, disables capability support, please install libcap-devel/libcap-dev);
1032 ifeq ($(feature-backtrace), 1)
1033 CFLAGS += -DHAVE_BACKTRACE_SUPPORT
1038 ifeq ($(feature-libnuma), 0)
1039 msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
1042 ifeq ($(feature-numa_num_possible_cpus), 0)
1043 msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
1046 CFLAGS += -DHAVE_LIBNUMA_SUPPORT
1048 $(call detected,CONFIG_NUMA)
1053 ifdef HAVE_KVM_STAT_SUPPORT
1054 CFLAGS += -DHAVE_KVM_STAT_SUPPORT
1057 ifeq ($(feature-disassembler-four-args), 1)
1058 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
1061 ifeq ($(feature-disassembler-init-styled), 1)
1062 CFLAGS += -DDISASM_INIT_STYLED
1065 ifeq (${IS_64_BIT}, 1)
1066 ifndef NO_PERF_READ_VDSO32
1067 $(call feature_check,compile-32)
1068 ifeq ($(feature-compile-32), 1)
1069 CFLAGS += -DHAVE_PERF_READ_VDSO32
1071 NO_PERF_READ_VDSO32 := 1
1074 ifneq ($(SRCARCH), x86)
1075 NO_PERF_READ_VDSOX32 := 1
1077 ifndef NO_PERF_READ_VDSOX32
1078 $(call feature_check,compile-x32)
1079 ifeq ($(feature-compile-x32), 1)
1080 CFLAGS += -DHAVE_PERF_READ_VDSOX32
1082 NO_PERF_READ_VDSOX32 := 1
1086 NO_PERF_READ_VDSO32 := 1
1087 NO_PERF_READ_VDSOX32 := 1
1090 ifndef NO_LIBBABELTRACE
1091 $(call feature_check,libbabeltrace)
1092 ifeq ($(feature-libbabeltrace), 1)
1093 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
1094 LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
1095 EXTLIBS += -lbabeltrace-ctf
1096 $(call detected,CONFIG_LIBBABELTRACE)
1098 msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
1103 ifeq ($(SRCARCH),x86)
1104 ifeq ($(feature-get_cpuid), 0)
1105 msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
1110 $(call detected,CONFIG_AUXTRACE)
1111 CFLAGS += -DHAVE_AUXTRACE_SUPPORT
1112 ifeq ($(feature-reallocarray), 0)
1113 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
1119 ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
1120 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
1122 ifneq (,$(wildcard /usr/sbin/alternatives))
1123 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g')
1127 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
1133 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
1134 $(call feature_check,jvmti)
1135 ifeq ($(feature-jvmti), 1)
1136 $(call detected_var,JDIR)
1137 ifndef NO_JVMTI_CMLR
1138 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti)
1139 $(call feature_check,jvmti-cmlr)
1140 ifeq ($(feature-jvmti-cmlr), 1)
1141 CFLAGS += -DHAVE_JVMTI_CMLR
1143 endif # NO_JVMTI_CMLR
1145 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel)
1153 $(call feature_check,cxx)
1154 ifneq ($(feature-cxx), 1)
1155 msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
1157 $(call feature_check,llvm)
1158 $(call feature_check,llvm-version)
1159 ifneq ($(feature-llvm), 1)
1160 msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
1162 $(call feature_check,clang)
1163 ifneq ($(feature-clang), 1)
1164 msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
1166 CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
1167 CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
1168 $(call detected,CONFIG_CXX)
1169 $(call detected,CONFIG_CLANGLLVM)
1173 ifneq ($(feature-llvm-version),1)
1174 msg := $(warning This version of LLVM is not tested. May cause build errors)
1182 $(call feature_check,libpfm4)
1183 ifeq ($(feature-libpfm4), 1)
1184 CFLAGS += -DHAVE_LIBPFM
1186 ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1
1187 $(call detected,CONFIG_LIBPFM4)
1189 msg := $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev);
1194 # libtraceevent is a recommended dependency picked up from the system.
1195 ifneq ($(NO_LIBTRACEEVENT),1)
1196 $(call feature_check,libtraceevent)
1197 ifeq ($(feature-libtraceevent), 1)
1198 CFLAGS += -DHAVE_LIBTRACEEVENT
1199 EXTLIBS += -ltraceevent
1200 LIBTRACEEVENT_VERSION := $(shell $(PKG_CONFIG) --modversion libtraceevent)
1201 LIBTRACEEVENT_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEEVENT_VERSION)))
1202 LIBTRACEEVENT_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEEVENT_VERSION)))
1203 LIBTRACEEVENT_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEEVENT_VERSION)))
1204 LIBTRACEEVENT_VERSION_CPP := $(shell expr $(LIBTRACEEVENT_VERSION_1) \* 255 \* 255 + $(LIBTRACEEVENT_VERSION_2) \* 255 + $(LIBTRACEEVENT_VERSION_3))
1205 CFLAGS += -DLIBTRACEEVENT_VERSION=$(LIBTRACEEVENT_VERSION_CPP)
1206 $(call detected,CONFIG_LIBTRACEEVENT)
1207 LIBTRACEEVENT_VERSION_WITH_TEP_FIELD_IS_RELATIVE := $(shell expr 1 \* 255 \* 255 + 5 \* 255 + 0) # 1.5.0
1208 ifeq ($(shell test $(LIBTRACEEVENT_VERSION_CPP) -gt $(LIBTRACEEVENT_VERSION_WITH_TEP_FIELD_IS_RELATIVE); echo $$?),0)
1209 CFLAGS += -DHAVE_LIBTRACEEVENT_TEP_FIELD_IS_RELATIVE
1212 dummy := $(warning Warning: libtraceevent is missing limiting functionality, please install libtraceevent-dev/libtraceevent-devel)
1215 $(call feature_check,libtracefs)
1216 ifeq ($(feature-libtracefs), 1)
1217 EXTLIBS += -ltracefs
1218 LIBTRACEFS_VERSION := $(shell $(PKG_CONFIG) --modversion libtracefs)
1219 LIBTRACEFS_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEFS_VERSION)))
1220 LIBTRACEFS_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEFS_VERSION)))
1221 LIBTRACEFS_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEFS_VERSION)))
1222 LIBTRACEFS_VERSION_CPP := $(shell expr $(LIBTRACEFS_VERSION_1) \* 255 \* 255 + $(LIBTRACEFS_VERSION_2) \* 255 + $(LIBTRACEFS_VERSION_3))
1223 CFLAGS += -DLIBTRACEFS_VERSION=$(LIBTRACEFS_VERSION_CPP)
1227 # Among the variables below, these:
1229 # libbpf_include_dir
1235 # ETC_PERFCONFIG (but not sysconfdir)
1236 # can be specified as a relative path some/where/else;
1237 # this is interpreted as relative to $(prefix) and "perf" at
1238 # runtime figures out where they are based on the path to the executable.
1239 # This can help installing the suite in a relocatable way.
1241 # Make the path relative to DESTDIR, not to prefix
1245 bindir_relative = bin
1246 bindir = $(abspath $(prefix)/$(bindir_relative))
1247 includedir_relative = include
1248 includedir = $(abspath $(prefix)/$(includedir_relative))
1250 infodir = share/info
1251 perfexecdir = libexec/perf-core
1252 # FIXME: system's libbpf header directory, where we expect to find bpf/bpf_helpers.h, for instance
1253 libbpf_include_dir = /usr/include
1254 perf_examples_dir = lib/perf/examples
1255 sharedir = $(prefix)/share
1256 template_dir = share/perf-core/templates
1257 STRACE_GROUPS_DIR = share/perf-core/strace/groups
1258 htmldir = share/doc/perf-doc
1259 tipdir = share/doc/perf-tip
1260 srcdir = $(srctree)/tools/perf
1261 ifeq ($(prefix),/usr)
1263 ETC_PERFCONFIG = $(sysconfdir)/perfconfig
1265 sysconfdir = $(prefix)/etc
1266 ETC_PERFCONFIG = etc/perfconfig
1269 ifeq ($(SRCARCH)$(IS_64_BIT), x861)
1275 libdir = $(prefix)/$(lib)
1277 # Shell quote (do not use $(call) to accommodate ancient setups);
1278 ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
1279 STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
1280 DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
1281 bindir_SQ = $(subst ','\'',$(bindir))
1282 includedir_SQ = $(subst ','\'',$(includedir))
1283 mandir_SQ = $(subst ','\'',$(mandir))
1284 infodir_SQ = $(subst ','\'',$(infodir))
1285 perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
1286 libbpf_include_dir_SQ = $(subst ','\'',$(libbpf_include_dir))
1287 perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir))
1288 template_dir_SQ = $(subst ','\'',$(template_dir))
1289 htmldir_SQ = $(subst ','\'',$(htmldir))
1290 tipdir_SQ = $(subst ','\'',$(tipdir))
1291 prefix_SQ = $(subst ','\'',$(prefix))
1292 sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
1293 libdir_SQ = $(subst ','\'',$(libdir))
1294 srcdir_SQ = $(subst ','\'',$(srcdir))
1296 ifneq ($(filter /%,$(firstword $(perfexecdir))),)
1297 perfexec_instdir = $(perfexecdir)
1298 perf_include_instdir = $(libbpf_include_dir)
1299 perf_examples_instdir = $(perf_examples_dir)
1300 STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
1301 tip_instdir = $(tipdir)
1303 perfexec_instdir = $(prefix)/$(perfexecdir)
1304 perf_include_instdir = $(prefix)/$(libbpf_include_dir)
1305 perf_examples_instdir = $(prefix)/$(perf_examples_dir)
1306 STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
1307 tip_instdir = $(prefix)/$(tipdir)
1309 perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
1310 perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir))
1311 perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir))
1312 STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
1313 tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
1315 export perfexec_instdir_SQ
1317 # If we install to $(HOME) we keep the traceevent default:
1318 # $(HOME)/.traceevent/plugins
1319 # Otherwise we install plugins into the global $(libdir).
1321 plugindir=$(libdir)/traceevent/plugins
1322 plugindir_SQ= $(subst ','\'',$(plugindir))
1325 print_var = $(eval $(print_var_code)) $(info $(MSG))
1326 define print_var_code
1327 MSG = $(shell printf '...%40s: %s' $(1) $($(1)))
1330 ifeq ($(feature_display),1)
1331 $(call feature_display_entries)
1335 # Display EXTRA features which are detected manualy
1336 # from here with feature_check call and thus cannot
1337 # be partof global state output.
1338 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),) $(info $(MSG)))
1339 $(call print_var,prefix)
1340 $(call print_var,bindir)
1341 $(call print_var,libdir)
1342 $(call print_var,sysconfdir)
1343 $(call print_var,LIBUNWIND_DIR)
1344 $(call print_var,LIBDW_DIR)
1345 $(call print_var,JDIR)
1347 ifeq ($(dwarf-post-unwind),1)
1348 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text)) $(info $(MSG))
1354 $(call detected_var,bindir_SQ)
1355 $(call detected_var,PYTHON_WORD)
1357 $(call detected_var,OUTPUT)
1359 $(call detected_var,htmldir_SQ)
1360 $(call detected_var,infodir_SQ)
1361 $(call detected_var,mandir_SQ)
1362 $(call detected_var,ETC_PERFCONFIG_SQ)
1363 $(call detected_var,STRACE_GROUPS_DIR_SQ)
1364 $(call detected_var,prefix_SQ)
1365 $(call detected_var,perfexecdir_SQ)
1366 $(call detected_var,libbpf_include_dir_SQ)
1367 $(call detected_var,perf_examples_dir_SQ)
1368 $(call detected_var,tipdir_SQ)
1369 $(call detected_var,srcdir_SQ)
1370 $(call detected_var,LIBDIR)
1371 $(call detected_var,GTK_CFLAGS)
1372 $(call detected_var,PERL_EMBED_CCOPTS)
1373 $(call detected_var,PYTHON_EMBED_CCOPTS)
1374 ifneq ($(BISON_FILE_PREFIX_MAP),)
1375 $(call detected_var,BISON_FILE_PREFIX_MAP)
1378 # re-generate FEATURE-DUMP as we may have called feature_check, found out
1379 # extra libraries to add to LDFLAGS of some other test and then redo those
1381 $(shell rm -f $(FEATURE_DUMP_FILENAME))
1382 $(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME)))