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 $(call detected_var,SRCARCH)
31 ifneq ($(NO_SYSCALL_TABLE),1)
35 ifeq (${IS_64_BIT}, 1)
39 ifeq ($(SRCARCH),$(filter $(SRCARCH),powerpc arm64 s390 mips loongarch))
44 ifneq ($(NO_SYSCALL_TABLE),1)
45 CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT
49 # Additional ARCH settings for ppc
50 ifeq ($(SRCARCH),powerpc)
51 CFLAGS += -I$(OUTPUT)arch/powerpc/include/generated
52 LIBUNWIND_LIBS := -lunwind -lunwind-ppc64
55 # Additional ARCH settings for 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 $(call detected,CONFIG_X86_64)
64 LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind
69 LIBUNWIND_LIBS = -lunwind -lunwind-arm
72 ifeq ($(SRCARCH),arm64)
73 CFLAGS += -I$(OUTPUT)arch/arm64/include/generated
74 LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
77 ifeq ($(SRCARCH),loongarch)
78 CFLAGS += -I$(OUTPUT)arch/loongarch/include/generated
79 LIBUNWIND_LIBS = -lunwind -lunwind-loongarch64
83 CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated
87 CFLAGS += -I$(OUTPUT)arch/mips/include/generated
88 LIBUNWIND_LIBS = -lunwind -lunwind-mips
91 # So far there's only x86 and arm libdw unwind support merged in perf.
92 # Disable it on all other architectures in case libdw unwind
93 # support is detected in system. Add supported architectures
95 ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390 csky riscv loongarch))
96 NO_LIBDW_DWARF_UNWIND := 1
99 ifeq ($(LIBUNWIND_LIBS),)
103 # For linking with debug library, run like:
105 # make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
108 libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
109 define libunwind_arch_set_flags_code
110 FEATURE_CHECK_CFLAGS-libunwind-$(1) = -I$(LIBUNWIND_DIR)/include
111 FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
115 LIBUNWIND_CFLAGS = -I$(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)))
121 # Set per-feature check compilation flags
122 FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
123 FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
124 FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
125 FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
127 FEATURE_CHECK_LDFLAGS-libunwind-arm += -lunwind -lunwind-arm
128 FEATURE_CHECK_LDFLAGS-libunwind-aarch64 += -lunwind -lunwind-aarch64
129 FEATURE_CHECK_LDFLAGS-libunwind-x86 += -lunwind -llzma -lunwind-x86
130 FEATURE_CHECK_LDFLAGS-libunwind-x86_64 += -lunwind -llzma -lunwind-x86_64
132 FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto
135 LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)
137 OPENCSDLIBS := -lopencsd_c_api -lopencsd
138 ifeq ($(findstring -static,${LDFLAGS}),-static)
139 OPENCSDLIBS += -lstdc++
142 LIBOPENCSD_LDFLAGS := -L$(CSLIBS)
144 FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS)
145 FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS)
147 # for linking with debug library, run like:
148 # make DEBUG=1 LIBDW_DIR=/opt/libdw/
150 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include
151 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
154 ifeq ($(findstring -static,${LDFLAGS}),-static)
155 DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2
157 FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
158 FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS)
160 # for linking with debug library, run like:
161 # make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
162 ifdef LIBBABELTRACE_DIR
163 LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include
164 LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
166 FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
167 FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
169 # for linking with debug library, run like:
170 # make DEBUG=1 LIBCAPSTONE_DIR=/opt/capstone/
171 ifdef LIBCAPSTONE_DIR
172 LIBCAPSTONE_CFLAGS := -I$(LIBCAPSTONE_DIR)/include
173 LIBCAPSTONE_LDFLAGS := -L$(LIBCAPSTONE_DIR)/
175 FEATURE_CHECK_CFLAGS-libcapstone := $(LIBCAPSTONE_CFLAGS)
176 FEATURE_CHECK_LDFLAGS-libcapstone := $(LIBCAPSTONE_LDFLAGS) -lcapstone
179 LIBZSTD_CFLAGS := -I$(LIBZSTD_DIR)/lib
180 LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib
182 FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS)
183 FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS)
185 FEATURE_CHECK_CFLAGS-bpf = -I. -I$(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
189 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
190 CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
193 include $(srctree)/tools/scripts/utilities.mak
195 ifeq ($(call get-executable,$(FLEX)),)
196 $(error Error: $(FLEX) is missing on this system, please install it)
199 ifeq ($(call get-executable,$(BISON)),)
200 $(error Error: $(BISON) is missing on this system, please install it)
203 ifneq ($(NO_LIBTRACEEVENT),1)
204 ifeq ($(call get-executable,$(PKG_CONFIG)),)
205 dummy := $(error Error: $(PKG_CONFIG) needed by libtraceevent is missing on this system, please install it)
210 ifeq ($(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=$(OUTPUT)=
215 # Treat warnings as errors unless directed not to
217 CORE_CFLAGS += -Werror
219 HOSTCFLAGS += -Werror
227 CORE_CFLAGS += -DNDEBUG=1
228 ifeq ($(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)
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.
257 # * $(PYTHON)-config (If PYTHON is user supplied but PYTHON_CONFIG isn't)
259 PYTHON_AUTO := python-config
260 PYTHON_AUTO := $(if $(call get-executable,python2-config),python2-config,$(PYTHON_AUTO))
261 PYTHON_AUTO := $(if $(call get-executable,python-config),python-config,$(PYTHON_AUTO))
262 PYTHON_AUTO := $(if $(call get-executable,python3-config),python3-config,$(PYTHON_AUTO))
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.
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)))
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
277 override PYTHON_CONFIG := $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON_AUTO))
278 override PYTHON := $(call get-executable-or-default,PYTHON,$(subst -config,,$(PYTHON_CONFIG)))
280 grep-libs = $(filter -l%,$(1))
281 strip-libs = $(filter-out -l%,$(1))
283 PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
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
288 ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0)
289 PYTHON_CONFIG_LDFLAGS := --ldflags --embed
291 PYTHON_CONFIG_LDFLAGS := --ldflags
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))
305 FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
306 FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
308 FEATURE_CHECK_LDFLAGS-libaio = -lrt
310 FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes -ldl
311 FEATURE_CHECK_LDFLAGS-disassembler-init-styled = -lbfd -lopcodes -ldl
313 CORE_CFLAGS += -fno-omit-frame-pointer
315 CORE_CFLAGS += -Wextra
316 CORE_CFLAGS += -std=gnu11
318 CXXFLAGS += -std=gnu++17 -fno-exceptions -fno-rtti
321 CXXFLAGS += -fno-omit-frame-pointer
324 HOSTCFLAGS += -Wextra
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.
328 LDFLAGS += -Wl,-z,noexecstack
330 EXTLIBS = -lpthread -lrt -lm -ldl
333 CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free
334 EXTLIBS += -ltcmalloc
337 ifeq ($(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
341 include $(srctree)/tools/build/Makefile.feature
343 include $(FEATURES_DUMP)
346 ifeq ($(feature-stackprotector-all), 1)
347 CORE_CFLAGS += -fstack-protector-all
351 ifeq ($(feature-fortify-source), 1)
352 CORE_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
356 INC_FLAGS += -I$(src-perf)/util/include
357 INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
358 INC_FLAGS += -I$(srctree)/tools/include/
359 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
360 INC_FLAGS += -I$(srctree)/tools/include/uapi
361 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
362 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
364 # $(obj-perf) for generated common-cmds.h
365 # $(obj-perf)/util for generated bison/flex headers
367 INC_FLAGS += -I$(obj-perf)/util
368 INC_FLAGS += -I$(obj-perf)
371 INC_FLAGS += -I$(src-perf)/util
372 INC_FLAGS += -I$(src-perf)
374 CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
376 CFLAGS += $(CORE_CFLAGS) $(INC_FLAGS)
377 CXXFLAGS += $(INC_FLAGS)
379 LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS)
381 ifeq ($(feature-pthread-attr-setaffinity-np), 1)
382 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
385 ifeq ($(feature-pthread-barrier), 1)
386 CFLAGS += -DHAVE_PTHREAD_BARRIER
390 $(call feature_check,bionic)
391 ifeq ($(feature-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))
400 ifeq ($(feature-eventfd), 1)
401 CFLAGS += -DHAVE_EVENTFD_SUPPORT
404 ifeq ($(feature-get_current_dir_name), 1)
405 CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME
408 ifeq ($(feature-gettid), 1)
409 CFLAGS += -DHAVE_GETTID
412 ifeq ($(feature-file-handle), 1)
413 CFLAGS += -DHAVE_FILE_HANDLE
419 NO_LIBDW_DWARF_UNWIND := 1
423 ifeq ($(feature-libelf), 0)
424 ifeq ($(feature-glibc), 1)
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.)
433 ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),)
434 ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0)
435 $(error No libasan found, please install libasan)
439 ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),)
440 ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0)
441 $(error No libubsan found, please install libubsan)
445 ifneq ($(filter s% -static%,$(LDFLAGS),),)
446 $(error No static glibc found, please install glibc-static)
448 $(error No gnu/libc-version.h found, please install glibc-dev[el])
452 ifndef NO_LIBDW_DWARF_UNWIND
453 ifneq ($(feature-libdw-dwarf-unwind),1)
454 NO_LIBDW_DWARF_UNWIND := 1
455 $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR)
458 ifneq ($(feature-dwarf), 1)
460 $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev)
464 ifneq ($(feature-dwarf_getlocations), 1)
465 $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157)
467 CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT
468 endif # dwarf_getlocations
469 ifneq ($(feature-dwarf_getcfi), 1)
470 $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.142)
472 CFLAGS += -DHAVE_DWARF_CFI_SUPPORT
474 endif # Dwarf support
475 endif # libelf support
478 ifeq ($(feature-libaio), 1)
480 CFLAGS += -DHAVE_AIO_SUPPORT
485 NO_LIBDW_DWARF_UNWIND := 1
488 ifeq ($(feature-scandirat), 1)
489 CFLAGS += -DHAVE_SCANDIRAT_SUPPORT
492 ifeq ($(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 $(error Error: No libopencsd library found or the version is not up-to-date. Please install recent libopencsd to build with CORESIGHT=1)
523 ifeq ($(feature-zlib), 1)
524 CFLAGS += -DHAVE_ZLIB_SUPPORT
526 $(call detected,CONFIG_ZLIB)
533 CFLAGS += -DHAVE_LIBELF_SUPPORT
535 $(call detected,CONFIG_LIBELF)
537 ifeq ($(feature-libelf-getphdrnum), 1)
538 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
541 ifeq ($(feature-libelf-gelf_getnote), 1)
542 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
544 $(warning gelf_getnote() not found on libelf, SDT support disabled)
547 ifeq ($(feature-libelf-getshdrstrndx), 1)
548 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
551 ifndef NO_LIBDEBUGINFOD
552 $(call feature_check,libdebuginfod)
553 ifeq ($(feature-libdebuginfod), 1)
554 CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT
555 EXTLIBS += -ldebuginfod
560 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
561 $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled)
564 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
565 LDFLAGS += $(LIBDW_LDFLAGS)
566 EXTLIBS += ${DWARFLIBS}
567 $(call detected,CONFIG_DWARF)
568 endif # PERF_HAVE_DWARF_REGS
572 ifeq ($(feature-bpf), 1)
573 # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status
574 $(call feature_check,libbpf)
577 ifeq ($(feature-libbpf), 1)
579 CFLAGS += -DHAVE_LIBBPF_SUPPORT
580 $(call detected,CONFIG_LIBBPF)
581 $(call detected,CONFIG_LIBBPF_DYNAMIC)
583 $(error Error: No libbpf devel library found or older than v1.0, please install/update libbpf-devel)
587 $(warning Warning: Statically building libbpf not possible as zlib is missing)
590 # Libbpf will be built as a static library from tools/lib/bpf.
592 $(call detected,CONFIG_LIBBPF)
593 CFLAGS += -DHAVE_LIBBPF_SUPPORT
601 ifneq ($(feature-sdt), 1)
602 $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev)
605 CFLAGS += -DHAVE_SDT_EVENT
606 $(call detected,CONFIG_SDT_EVENT)
610 ifdef PERF_HAVE_JITDUMP
612 $(call detected,CONFIG_JITDUMP)
613 CFLAGS += -DHAVE_JITDUMP
617 ifeq ($(SRCARCH),powerpc)
619 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
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
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
642 $(call feature_check,libunwind-debug-frame-aarch64)
643 ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
644 $(warning No debug_frame support found in libunwind-aarch64)
645 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
649 ifneq ($(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
654 $(call detected,CONFIG_LOCAL_LIBUNWIND)
657 ifneq ($(have_libunwind), 1)
661 NO_LOCAL_LIBUNWIND := 1
665 ifneq ($(feature-bpf), 1)
666 $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
671 ifndef BUILD_BPF_SKEL
672 # BPF skeletons control a large number of perf features, by default
677 ifeq ($(BUILD_BPF_SKEL),1)
678 ifeq ($(filter -DHAVE_LIBELF_SUPPORT, $(CFLAGS)),)
679 $(warning Warning: Disabled BPF skeletons as libelf is required by bpftool)
681 else ifeq ($(filter -DHAVE_ZLIB_SUPPORT, $(CFLAGS)),)
682 $(warning Warning: Disabled BPF skeletons as zlib is required by bpftool)
684 else ifeq ($(filter -DHAVE_LIBBPF_SUPPORT, $(CFLAGS)),)
685 $(warning Warning: Disabled BPF skeletons as libbpf is required)
687 else ifeq ($(call get-executable,$(CLANG)),)
688 $(warning Warning: Disabled BPF skeletons as clang ($(CLANG)) is missing)
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 $(CLANG) version 12.0.1)
697 ifeq ($(BUILD_BPF_SKEL),1)
698 $(call feature_check,clang-bpf-co-re)
699 ifeq ($(feature-clang-bpf-co-re), 0)
700 $(warning Warning: Disabled BPF skeletons as clang is too old)
704 ifeq ($(BUILD_BPF_SKEL),1)
705 $(call detected,CONFIG_PERF_BPF_SKEL)
706 CFLAGS += -DHAVE_BPF_SKEL
711 VMLINUX_H=$(src-perf)/util/bpf_skel/vmlinux/vmlinux.h
714 dwarf-post-unwind := 1
715 dwarf-post-unwind-text := BUG
717 # setup DWARF post unwinder
719 ifdef NO_LIBDW_DWARF_UNWIND
720 $(warning Disabling post unwind, no support found.)
721 dwarf-post-unwind := 0
723 dwarf-post-unwind-text := libdw
724 $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
727 dwarf-post-unwind-text := libunwind
728 $(call detected,CONFIG_LIBUNWIND)
729 # Enable libunwind support by default.
730 ifndef NO_LIBDW_DWARF_UNWIND
731 NO_LIBDW_DWARF_UNWIND := 1
735 ifeq ($(dwarf-post-unwind),1)
736 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
737 $(call detected,CONFIG_DWARF_UNWIND)
742 ifndef NO_LOCAL_LIBUNWIND
743 ifeq ($(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
750 # non-ARM has no dwarf_find_debug_frame() function:
751 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
753 EXTLIBS += $(LIBUNWIND_LIBS)
754 LDFLAGS += $(LIBUNWIND_LIBS)
756 ifeq ($(findstring -static,${LDFLAGS}),-static)
757 # gcc -static links libgcc_eh which contans piece of libunwind
758 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
762 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
763 CFLAGS += $(LIBUNWIND_CFLAGS)
764 LDFLAGS += $(LIBUNWIND_LDFLAGS)
765 EXTLIBS += $(EXTLIBS_LIBUNWIND)
768 ifneq ($(NO_LIBTRACEEVENT),1)
769 ifeq ($(NO_SYSCALL_TABLE),0)
770 $(call detected,CONFIG_TRACE)
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)
778 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
780 $(call detected,CONFIG_TRACE)
787 ifneq ($(feature-libcrypto), 1)
788 $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev)
791 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
793 $(call detected,CONFIG_CRYPTO)
798 ifneq ($(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)
803 CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR
807 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
808 CFLAGS += -DHAVE_SLANG_SUPPORT
810 $(call detected,CONFIG_SLANG)
815 FLAGS_GTK2=$(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)
821 $(call feature_check,gtk2-infobar)
822 ifeq ($(feature-gtk2-infobar), 1)
823 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
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)
833 CFLAGS += -DNO_LIBPERL
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) $(PERL_EMBED_LDOPTS)
844 ifneq ($(feature-libperl), 1)
845 CFLAGS += -DNO_LIBPERL
847 $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev)
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
855 $(call detected,CONFIG_LIBPERL)
859 ifeq ($(feature-timerfd), 1)
860 CFLAGS += -DHAVE_TIMERFD_SUPPORT
862 $(warning No timerfd support. Disables 'perf kvm stat live')
865 disable-python = $(eval $(disable-python_code))
866 define disable-python_code
867 CFLAGS += -DNO_LIBPYTHON
872 PYTHON_EXTENSION_SUFFIX := '.so'
874 $(call disable-python,Python support disabled by user)
878 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
880 PYTHON_WORD := $(call shell-wordify,$(PYTHON))
883 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
886 ifneq ($(feature-libpython), 1)
887 $(call disable-python,No 'Python.h' was found: disables Python support - please install python-devel/python-dev)
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)
896 $(warning Missing python setuptools, the python binding won't be built, please install python3-setuptools or equivalent)
898 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
899 $(call detected,CONFIG_LIBPYTHON)
905 ifneq ($(NO_JEVENTS),1)
906 ifeq ($(wildcard pmu-events/arch/$(SRCARCH)/mapfile.csv),)
910 ifneq ($(NO_JEVENTS),1)
913 $(error ERROR: No python interpreter needed for jevents generation. Install python or build with NO_JEVENTS=1.)
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 $(error ERROR: Python interpreter needed for jevents generation too old (older than 3.6). Install a newer python or build with NO_JEVENTS=1.)
923 ifdef BUILD_NONDISTRO
924 ifeq ($(feature-libbfd), 1)
925 EXTLIBS += -lbfd -lopcodes
927 # we are on a system that requires -liberty and (maybe) -lz
928 # to link against -lbfd; test each case individually here
930 # call all detections now so we get correct
931 # status in VF output
932 $(call feature_check,libbfd-liberty)
933 $(call feature_check,libbfd-liberty-z)
935 ifeq ($(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
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
946 $(call feature_check,disassembler-four-args)
947 $(call feature_check,disassembler-init-styled)
950 CFLAGS += -DHAVE_LIBBFD_SUPPORT
951 CXXFLAGS += -DHAVE_LIBBFD_SUPPORT
952 ifeq ($(feature-libbfd-buildid), 1)
953 CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT
955 $(warning Old version of libbfd/binutils things like PE executable profiling will not be available)
960 $(call feature_check,cxa-demangle)
961 ifeq ($(feature-cxa-demangle), 1)
963 CFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT
964 CXXFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT
965 $(call detected,CONFIG_CXX_DEMANGLE)
967 ifdef BUILD_NONDISTRO
968 ifeq ($(filter -liberty,$(EXTLIBS)),)
969 $(call feature_check,cplus-demangle)
970 ifeq ($(feature-cplus-demangle), 1)
974 ifneq ($(filter -liberty,$(EXTLIBS)),)
975 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
976 CXXFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
982 ifeq ($(feature-lzma), 1)
983 CFLAGS += -DHAVE_LZMA_SUPPORT
985 $(call detected,CONFIG_LZMA)
987 $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev)
993 ifeq ($(feature-libzstd), 1)
994 CFLAGS += -DHAVE_ZSTD_SUPPORT
995 CFLAGS += $(LIBZSTD_CFLAGS)
996 LDFLAGS += $(LIBZSTD_LDFLAGS)
998 $(call detected,CONFIG_ZSTD)
1000 $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR)
1006 ifeq ($(feature-libcap), 1)
1007 CFLAGS += -DHAVE_LIBCAP_SUPPORT
1009 $(call detected,CONFIG_LIBCAP)
1011 $(warning No libcap found, disables capability support, please install libcap-devel/libcap-dev)
1017 ifeq ($(feature-backtrace), 1)
1018 CFLAGS += -DHAVE_BACKTRACE_SUPPORT
1023 ifeq ($(feature-libnuma), 0)
1024 $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev)
1027 ifeq ($(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)
1031 CFLAGS += -DHAVE_LIBNUMA_SUPPORT
1033 $(call detected,CONFIG_NUMA)
1038 ifdef HAVE_KVM_STAT_SUPPORT
1039 CFLAGS += -DHAVE_KVM_STAT_SUPPORT
1042 ifeq ($(feature-disassembler-four-args), 1)
1043 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
1046 ifeq ($(feature-disassembler-init-styled), 1)
1047 CFLAGS += -DDISASM_INIT_STYLED
1050 ifeq (${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
1056 NO_PERF_READ_VDSO32 := 1
1059 ifneq ($(SRCARCH), x86)
1060 NO_PERF_READ_VDSOX32 := 1
1062 ifndef NO_PERF_READ_VDSOX32
1063 $(call feature_check,compile-x32)
1064 ifeq ($(feature-compile-x32), 1)
1065 CFLAGS += -DHAVE_PERF_READ_VDSOX32
1067 NO_PERF_READ_VDSOX32 := 1
1071 NO_PERF_READ_VDSO32 := 1
1072 NO_PERF_READ_VDSOX32 := 1
1075 ifndef 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)
1083 $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev)
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)
1095 msg := $(warning No libcapstone found, disables disasm engine support for 'perf script', please install libcapstone-dev/capstone-devel);
1100 ifeq ($(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)
1107 $(call detected,CONFIG_AUXTRACE)
1108 CFLAGS += -DHAVE_AUXTRACE_SUPPORT
1109 ifeq ($(feature-reallocarray), 0)
1110 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
1116 $(call detected,CONFIG_EXTRA_TESTS)
1117 CFLAGS += -DHAVE_EXTRA_TESTS
1121 ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
1122 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
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')
1129 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
1135 FEATURE_CHECK_CFLAGS-jvmti := -I$(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
1145 endif # NO_JVMTI_CMLR
1147 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel)
1153 $(call feature_check,libpfm4)
1154 ifeq ($(feature-libpfm4), 1)
1155 CFLAGS += -DHAVE_LIBPFM
1157 ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1
1158 $(call detected,CONFIG_LIBPFM4)
1160 $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev)
1164 # libtraceevent is a recommended dependency picked up from the system.
1165 ifneq ($(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)
1178 $(error ERROR: libtraceevent is missing. Please install libtraceevent-dev/libtraceevent-devel or build with NO_LIBTRACEEVENT=1)
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)
1193 # Among the variables below, these:
1195 # libbpf_include_dir
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.
1207 # Make the path relative to DESTDIR, not to prefix
1211 bindir_relative = bin
1212 bindir = $(abspath $(prefix)/$(bindir_relative))
1213 includedir_relative = include
1214 includedir = $(abspath $(prefix)/$(includedir_relative))
1216 infodir = share/info
1217 perfexecdir = libexec/perf-core
1218 # FIXME: system's libbpf header directory, where we expect to find bpf/bpf_helpers.h, for instance
1219 libbpf_include_dir = /usr/include
1220 perf_examples_dir = lib/perf/examples
1221 sharedir = $(prefix)/share
1222 template_dir = share/perf-core/templates
1223 STRACE_GROUPS_DIR = share/perf-core/strace/groups
1224 htmldir = share/doc/perf-doc
1225 tipdir = share/doc/perf-tip
1226 srcdir = $(srctree)/tools/perf
1227 ifeq ($(prefix),/usr)
1229 ETC_PERFCONFIG = $(sysconfdir)/perfconfig
1231 sysconfdir = $(prefix)/etc
1232 ETC_PERFCONFIG = etc/perfconfig
1235 ifeq ($(SRCARCH)$(IS_64_BIT), x861)
1241 libdir = $(prefix)/$(lib)
1243 # Shell quote (do not use $(call) to accommodate ancient setups);
1244 ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
1245 STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
1246 DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
1247 bindir_SQ = $(subst ','\'',$(bindir))
1248 includedir_SQ = $(subst ','\'',$(includedir))
1249 mandir_SQ = $(subst ','\'',$(mandir))
1250 infodir_SQ = $(subst ','\'',$(infodir))
1251 perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
1252 libbpf_include_dir_SQ = $(subst ','\'',$(libbpf_include_dir))
1253 perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir))
1254 template_dir_SQ = $(subst ','\'',$(template_dir))
1255 htmldir_SQ = $(subst ','\'',$(htmldir))
1256 tipdir_SQ = $(subst ','\'',$(tipdir))
1257 prefix_SQ = $(subst ','\'',$(prefix))
1258 sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
1259 libdir_SQ = $(subst ','\'',$(libdir))
1260 srcdir_SQ = $(subst ','\'',$(srcdir))
1262 ifneq ($(filter /%,$(firstword $(perfexecdir))),)
1263 perfexec_instdir = $(perfexecdir)
1264 perf_include_instdir = $(libbpf_include_dir)
1265 perf_examples_instdir = $(perf_examples_dir)
1266 STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
1267 tip_instdir = $(tipdir)
1269 perfexec_instdir = $(prefix)/$(perfexecdir)
1270 perf_include_instdir = $(prefix)/$(libbpf_include_dir)
1271 perf_examples_instdir = $(prefix)/$(perf_examples_dir)
1272 STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
1273 tip_instdir = $(prefix)/$(tipdir)
1275 perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
1276 perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir))
1277 perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir))
1278 STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
1279 tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
1281 export perfexec_instdir_SQ
1283 print_var = $(eval $(print_var_code)) $(info $(MSG))
1284 define print_var_code
1285 MSG = $(shell printf '...%40s: %s' $(1) $($(1)))
1288 ifeq ($(feature_display),1)
1289 $(call feature_display_entries)
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 $(call print_var,JDIR)
1305 ifeq ($(dwarf-post-unwind),1)
1306 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text)) $(info $(MSG))
1312 $(call detected_var,bindir_SQ)
1313 $(call detected_var,PYTHON_WORD)
1315 $(call detected_var,OUTPUT)
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 $(call detected_var,PYTHON_EMBED_CCOPTS)
1332 ifneq ($(BISON_FILE_PREFIX_MAP),)
1333 $(call detected_var,BISON_FILE_PREFIX_MAP)
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)))