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 $(SRCARCH),powerpc arm64 s390 mips loongarch))
46 ifneq ($(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),loongarch)
85 CFLAGS += -I$(OUTPUT)arch/loongarch/include/generated
86 LIBUNWIND_LIBS = -lunwind -lunwind-loongarch64
89 ifeq ($(SRCARCH),riscv)
93 ifeq ($(SRCARCH),csky)
99 CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated
104 CFLAGS += -I$(OUTPUT)arch/mips/include/generated
105 LIBUNWIND_LIBS = -lunwind -lunwind-mips
108 ifeq ($(NO_PERF_REGS),0)
109 $(call detected,CONFIG_PERF_REGS)
112 # So far there's only x86 and arm libdw unwind support merged in perf.
113 # Disable it on all other architectures in case libdw unwind
114 # support is detected in system. Add supported architectures
116 ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390 csky riscv loongarch))
117 NO_LIBDW_DWARF_UNWIND := 1
120 ifeq ($(LIBUNWIND_LIBS),)
124 # For linking with debug library, run like:
126 # make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
129 libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
130 define libunwind_arch_set_flags_code
131 FEATURE_CHECK_CFLAGS-libunwind-$(1) = -I$(LIBUNWIND_DIR)/include
132 FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
136 LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include
137 LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
138 LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64 loongarch
139 $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
142 # Set per-feature check compilation flags
143 FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
144 FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
145 FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
146 FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
148 FEATURE_CHECK_LDFLAGS-libunwind-arm += -lunwind -lunwind-arm
149 FEATURE_CHECK_LDFLAGS-libunwind-aarch64 += -lunwind -lunwind-aarch64
150 FEATURE_CHECK_LDFLAGS-libunwind-x86 += -lunwind -llzma -lunwind-x86
151 FEATURE_CHECK_LDFLAGS-libunwind-x86_64 += -lunwind -llzma -lunwind-x86_64
153 FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto
156 LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)
158 OPENCSDLIBS := -lopencsd_c_api -lopencsd
159 ifeq ($(findstring -static,${LDFLAGS}),-static)
160 OPENCSDLIBS += -lstdc++
163 LIBOPENCSD_LDFLAGS := -L$(CSLIBS)
165 FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS)
166 FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS)
168 ifeq ($(NO_PERF_REGS),0)
169 CFLAGS += -DHAVE_PERF_REGS_SUPPORT
172 # for linking with debug library, run like:
173 # make DEBUG=1 LIBDW_DIR=/opt/libdw/
175 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include
176 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
179 ifeq ($(findstring -static,${LDFLAGS}),-static)
180 DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2
182 FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
183 FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS)
185 # for linking with debug library, run like:
186 # make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
187 ifdef LIBBABELTRACE_DIR
188 LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include
189 LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
191 FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
192 FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
195 LIBZSTD_CFLAGS := -I$(LIBZSTD_DIR)/lib
196 LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib
198 FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS)
199 FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS)
201 FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi
202 # include ARCH specific config
203 -include $(src-perf)/arch/$(SRCARCH)/Makefile
205 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
206 CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
209 include $(srctree)/tools/scripts/utilities.mak
211 ifeq ($(call get-executable,$(FLEX)),)
212 dummy := $(error Error: $(FLEX) is missing on this system, please install it)
215 ifeq ($(call get-executable,$(BISON)),)
216 dummy := $(error Error: $(BISON) is missing on this system, please install it)
220 ifeq ($(shell expr $(shell $(BISON) --version | grep bison | sed -e 's/.\+ \([0-9]\+\).\([0-9]\+\).\([0-9]\+\)/\1\2\3/g') \>\= 371), 1)
221 BISON_FILE_PREFIX_MAP := --file-prefix-map=$(OUTPUT)=
225 # Treat warnings as errors unless directed not to
227 CORE_CFLAGS += -Werror
229 HOSTCFLAGS += -Werror
237 CORE_CFLAGS += -DNDEBUG=1
238 ifeq ($(CC_NO_CLANG), 0)
249 PARSER_DEBUG_BISON := -t
250 PARSER_DEBUG_FLEX := -d
251 CFLAGS += -DPARSER_DEBUG
252 $(call detected_var,PARSER_DEBUG_BISON)
253 $(call detected_var,PARSER_DEBUG_FLEX)
261 # Try different combinations to accommodate systems that only have
262 # python[2][3]-config in weird combinations in the following order of
263 # priority from lowest to highest:
264 # * python2-config as per pep-0394.
267 # * $(PYTHON)-config (If PYTHON is user supplied but PYTHON_CONFIG isn't)
269 PYTHON_AUTO := python-config
270 PYTHON_AUTO := $(if $(call get-executable,python2-config),python2-config,$(PYTHON_AUTO))
271 PYTHON_AUTO := $(if $(call get-executable,python-config),python-config,$(PYTHON_AUTO))
272 PYTHON_AUTO := $(if $(call get-executable,python3-config),python3-config,$(PYTHON_AUTO))
274 # If PYTHON is defined but PYTHON_CONFIG isn't, then take $(PYTHON)-config as if it was the user
275 # supplied value for PYTHON_CONFIG. Because it's "user supplied", error out if it doesn't exist.
278 PYTHON_CONFIG_AUTO := $(call get-executable,$(PYTHON)-config)
279 PYTHON_CONFIG := $(if $(PYTHON_CONFIG_AUTO),$(PYTHON_CONFIG_AUTO),\
280 $(call $(error $(PYTHON)-config not found)))
284 # Select either auto detected python and python-config or use user supplied values if they are
285 # defined. get-executable-or-default fails with an error if the first argument is supplied but
287 override PYTHON_CONFIG := $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON_AUTO))
288 override PYTHON := $(call get-executable-or-default,PYTHON,$(subst -config,,$(PYTHON_CONFIG)))
290 grep-libs = $(filter -l%,$(1))
291 strip-libs = $(filter-out -l%,$(1))
293 PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
295 # Python 3.8 changed the output of `python-config --ldflags` to not include the
296 # '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for
297 # libpython fails if that flag is not included in LDFLAGS
298 ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0)
299 PYTHON_CONFIG_LDFLAGS := --ldflags --embed
301 PYTHON_CONFIG_LDFLAGS := --ldflags
305 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) $(PYTHON_CONFIG_LDFLAGS) 2>/dev/null)
306 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
307 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
308 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null)
309 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
310 ifeq ($(CC_NO_CLANG), 0)
311 PYTHON_EMBED_CCOPTS := $(filter-out -ffat-lto-objects, $(PYTHON_EMBED_CCOPTS))
315 FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
316 FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
318 FEATURE_CHECK_LDFLAGS-libaio = -lrt
320 FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes -ldl
321 FEATURE_CHECK_LDFLAGS-disassembler-init-styled = -lbfd -lopcodes -ldl
323 CORE_CFLAGS += -fno-omit-frame-pointer
325 CORE_CFLAGS += -Wextra
326 CORE_CFLAGS += -std=gnu11
328 CXXFLAGS += -std=gnu++17 -fno-exceptions -fno-rtti
331 CXXFLAGS += -fno-omit-frame-pointer
334 HOSTCFLAGS += -Wextra
336 # Enforce a non-executable stack, as we may regress (again) in the future by
337 # adding assembler files missing the .GNU-stack linker note.
338 LDFLAGS += -Wl,-z,noexecstack
340 EXTLIBS = -lpthread -lrt -lm -ldl
343 CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free
344 EXTLIBS += -ltcmalloc
347 ifeq ($(FEATURES_DUMP),)
348 # We will display at the end of this Makefile.config, using $(call feature_display_entries)
349 # As we may retry some feature detection here, see the disassembler-four-args case, for instance
350 FEATURE_DISPLAY_DEFERRED := 1
351 include $(srctree)/tools/build/Makefile.feature
353 include $(FEATURES_DUMP)
356 ifeq ($(feature-stackprotector-all), 1)
357 CORE_CFLAGS += -fstack-protector-all
361 ifeq ($(feature-fortify-source), 1)
362 CORE_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
366 INC_FLAGS += -I$(src-perf)/util/include
367 INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
368 INC_FLAGS += -I$(srctree)/tools/include/
369 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
370 INC_FLAGS += -I$(srctree)/tools/include/uapi
371 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
372 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
374 # $(obj-perf) for generated common-cmds.h
375 # $(obj-perf)/util for generated bison/flex headers
377 INC_FLAGS += -I$(obj-perf)/util
378 INC_FLAGS += -I$(obj-perf)
381 INC_FLAGS += -I$(src-perf)/util
382 INC_FLAGS += -I$(src-perf)
384 CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
386 CFLAGS += $(CORE_CFLAGS) $(INC_FLAGS)
387 CXXFLAGS += $(INC_FLAGS)
389 LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS)
391 ifeq ($(feature-pthread-attr-setaffinity-np), 1)
392 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
395 ifeq ($(feature-pthread-barrier), 1)
396 CFLAGS += -DHAVE_PTHREAD_BARRIER
400 $(call feature_check,bionic)
401 ifeq ($(feature-bionic), 1)
403 CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE
404 CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE
405 EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
406 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
410 ifeq ($(feature-eventfd), 1)
411 CFLAGS += -DHAVE_EVENTFD_SUPPORT
414 ifeq ($(feature-get_current_dir_name), 1)
415 CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME
418 ifeq ($(feature-gettid), 1)
419 CFLAGS += -DHAVE_GETTID
422 ifeq ($(feature-file-handle), 1)
423 CFLAGS += -DHAVE_FILE_HANDLE
429 NO_LIBDW_DWARF_UNWIND := 1
433 ifeq ($(feature-libelf), 0)
434 ifeq ($(feature-glibc), 1)
440 ifeq ($(LIBC_SUPPORT),1)
441 msg := $(error ERROR: No libelf found. Disables 'probe' tool, jvmti and BPF support. Please install libelf-dev, libelf-devel, elfutils-libelf-devel or build with NO_LIBELF=1.)
443 ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),)
444 ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0)
445 msg := $(error No libasan found, please install libasan);
449 ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),)
450 ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0)
451 msg := $(error No libubsan found, please install libubsan);
455 ifneq ($(filter s% -static%,$(LDFLAGS),),)
456 msg := $(error No static glibc found, please install glibc-static);
458 msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
462 ifndef NO_LIBDW_DWARF_UNWIND
463 ifneq ($(feature-libdw-dwarf-unwind),1)
464 NO_LIBDW_DWARF_UNWIND := 1
465 msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
468 ifneq ($(feature-dwarf), 1)
470 msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
474 ifneq ($(feature-dwarf_getlocations), 1)
475 msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
477 CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT
478 endif # dwarf_getlocations
479 ifneq ($(feature-dwarf_getcfi), 1)
480 msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.142);
482 CFLAGS += -DHAVE_DWARF_CFI_SUPPORT
484 endif # Dwarf support
485 endif # libelf support
488 ifeq ($(feature-libaio), 1)
490 CFLAGS += -DHAVE_AIO_SUPPORT
495 NO_LIBDW_DWARF_UNWIND := 1
498 ifeq ($(feature-scandirat), 1)
499 CFLAGS += -DHAVE_SCANDIRAT_SUPPORT
502 ifeq ($(feature-sched_getcpu), 1)
503 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
506 ifeq ($(feature-setns), 1)
507 CFLAGS += -DHAVE_SETNS_SUPPORT
508 $(call detected,CONFIG_SETNS)
512 $(call feature_check,libopencsd)
513 ifeq ($(feature-libopencsd), 1)
514 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
515 ifeq ($(feature-reallocarray), 0)
516 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
518 LDFLAGS += $(LIBOPENCSD_LDFLAGS)
519 EXTLIBS += $(OPENCSDLIBS)
520 $(call detected,CONFIG_LIBOPENCSD)
522 CFLAGS += -DCS_DEBUG_RAW
523 ifeq (${CSTRACE_RAW}, packed)
524 CFLAGS += -DCS_RAW_PACKED
528 dummy := $(error Error: No libopencsd library found or the version is not up-to-date. Please install recent libopencsd to build with CORESIGHT=1)
533 ifeq ($(feature-zlib), 1)
534 CFLAGS += -DHAVE_ZLIB_SUPPORT
536 $(call detected,CONFIG_ZLIB)
543 CFLAGS += -DHAVE_LIBELF_SUPPORT
545 $(call detected,CONFIG_LIBELF)
547 ifeq ($(feature-libelf-getphdrnum), 1)
548 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
551 ifeq ($(feature-libelf-gelf_getnote), 1)
552 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
554 msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
557 ifeq ($(feature-libelf-getshdrstrndx), 1)
558 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
561 ifndef NO_LIBDEBUGINFOD
562 $(call feature_check,libdebuginfod)
563 ifeq ($(feature-libdebuginfod), 1)
564 CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT
565 EXTLIBS += -ldebuginfod
570 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
571 msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
574 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
575 LDFLAGS += $(LIBDW_LDFLAGS)
576 EXTLIBS += ${DWARFLIBS}
577 $(call detected,CONFIG_DWARF)
578 endif # PERF_HAVE_DWARF_REGS
582 ifeq ($(feature-bpf), 1)
583 # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status
584 $(call feature_check,libbpf)
587 ifeq ($(feature-libbpf), 1)
589 CFLAGS += -DHAVE_LIBBPF_SUPPORT
590 $(call detected,CONFIG_LIBBPF)
591 $(call detected,CONFIG_LIBBPF_DYNAMIC)
593 dummy := $(error Error: No libbpf devel library found or older than v1.0, please install/update libbpf-devel);
597 dummy := $(warning Warning: Statically building libbpf not possible as zlib is missing)
600 # Libbpf will be built as a static library from tools/lib/bpf.
602 $(call detected,CONFIG_LIBBPF)
603 CFLAGS += -DHAVE_LIBBPF_SUPPORT
611 ifneq ($(feature-sdt), 1)
612 msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
615 CFLAGS += -DHAVE_SDT_EVENT
616 $(call detected,CONFIG_SDT_EVENT)
620 ifdef PERF_HAVE_JITDUMP
622 $(call detected,CONFIG_JITDUMP)
623 CFLAGS += -DHAVE_JITDUMP
627 ifeq ($(SRCARCH),powerpc)
629 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
636 $(call feature_check,libunwind-x86)
637 ifeq ($(feature-libunwind-x86), 1)
638 $(call detected,CONFIG_LIBUNWIND_X86)
639 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
640 LDFLAGS += -lunwind-x86
641 EXTLIBS_LIBUNWIND += -lunwind-x86
645 $(call feature_check,libunwind-aarch64)
646 ifeq ($(feature-libunwind-aarch64), 1)
647 $(call detected,CONFIG_LIBUNWIND_AARCH64)
648 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
649 LDFLAGS += -lunwind-aarch64
650 EXTLIBS_LIBUNWIND += -lunwind-aarch64
652 $(call feature_check,libunwind-debug-frame-aarch64)
653 ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
654 msg := $(warning No debug_frame support found in libunwind-aarch64);
655 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
659 ifneq ($(feature-libunwind), 1)
660 msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
661 NO_LOCAL_LIBUNWIND := 1
664 $(call detected,CONFIG_LOCAL_LIBUNWIND)
667 ifneq ($(have_libunwind), 1)
671 NO_LOCAL_LIBUNWIND := 1
675 ifneq ($(feature-bpf), 1)
676 msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
681 ifndef BUILD_BPF_SKEL
682 # BPF skeletons control a large number of perf features, by default
687 ifeq ($(BUILD_BPF_SKEL),1)
688 ifeq ($(filter -DHAVE_LIBELF_SUPPORT, $(CFLAGS)),)
689 dummy := $(warning Warning: Disabled BPF skeletons as libelf is required by bpftool)
691 else ifeq ($(filter -DHAVE_ZLIB_SUPPORT, $(CFLAGS)),)
692 dummy := $(warning Warning: Disabled BPF skeletons as zlib is required by bpftool)
694 else ifeq ($(filter -DHAVE_LIBBPF_SUPPORT, $(CFLAGS)),)
695 dummy := $(warning Warning: Disabled BPF skeletons as libbpf is required)
697 else ifeq ($(call get-executable,$(CLANG)),)
698 dummy := $(warning Warning: Disabled BPF skeletons as clang ($(CLANG)) is missing)
701 CLANG_VERSION := $(shell $(CLANG) --version | head -1 | sed 's/.*clang version \([[:digit:]]\+.[[:digit:]]\+.[[:digit:]]\+\).*/\1/g')
702 ifeq ($(call version-lt3,$(CLANG_VERSION),12.0.1),1)
703 dummy := $(warning Warning: Disabled BPF skeletons as reliable BTF generation needs at least $(CLANG) version 12.0.1)
707 ifeq ($(BUILD_BPF_SKEL),1)
708 $(call feature_check,clang-bpf-co-re)
709 ifeq ($(feature-clang-bpf-co-re), 0)
710 dummy := $(warning Warning: Disabled BPF skeletons as clang is too old)
714 ifeq ($(BUILD_BPF_SKEL),1)
715 $(call detected,CONFIG_PERF_BPF_SKEL)
716 CFLAGS += -DHAVE_BPF_SKEL
721 VMLINUX_H=$(src-perf)/util/bpf_skel/vmlinux/vmlinux.h
724 dwarf-post-unwind := 1
725 dwarf-post-unwind-text := BUG
727 # setup DWARF post unwinder
729 ifdef NO_LIBDW_DWARF_UNWIND
730 msg := $(warning Disabling post unwind, no support found.);
731 dwarf-post-unwind := 0
733 dwarf-post-unwind-text := libdw
734 $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
737 dwarf-post-unwind-text := libunwind
738 $(call detected,CONFIG_LIBUNWIND)
739 # Enable libunwind support by default.
740 ifndef NO_LIBDW_DWARF_UNWIND
741 NO_LIBDW_DWARF_UNWIND := 1
745 ifeq ($(dwarf-post-unwind),1)
746 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
747 $(call detected,CONFIG_DWARF_UNWIND)
752 ifndef NO_LOCAL_LIBUNWIND
753 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
754 $(call feature_check,libunwind-debug-frame)
755 ifneq ($(feature-libunwind-debug-frame), 1)
756 msg := $(warning No debug_frame support found in libunwind);
757 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
760 # non-ARM has no dwarf_find_debug_frame() function:
761 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
763 EXTLIBS += $(LIBUNWIND_LIBS)
764 LDFLAGS += $(LIBUNWIND_LIBS)
766 ifeq ($(findstring -static,${LDFLAGS}),-static)
767 # gcc -static links libgcc_eh which contans piece of libunwind
768 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
772 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
773 CFLAGS += $(LIBUNWIND_CFLAGS)
774 LDFLAGS += $(LIBUNWIND_LDFLAGS)
775 EXTLIBS += $(EXTLIBS_LIBUNWIND)
778 ifneq ($(NO_LIBTRACEEVENT),1)
779 ifeq ($(NO_SYSCALL_TABLE),0)
780 $(call detected,CONFIG_TRACE)
783 $(call feature_check,libaudit)
784 ifneq ($(feature-libaudit), 1)
785 msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
788 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
790 $(call detected,CONFIG_TRACE)
797 ifneq ($(feature-libcrypto), 1)
798 msg := $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev);
801 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
803 $(call detected,CONFIG_CRYPTO)
808 ifneq ($(feature-libslang), 1)
809 ifneq ($(feature-libslang-include-subdir), 1)
810 msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
813 CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR
817 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
818 CFLAGS += -DHAVE_SLANG_SUPPORT
820 $(call detected,CONFIG_SLANG)
825 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
826 $(call feature_check,gtk2)
827 ifneq ($(feature-gtk2), 1)
828 msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
831 $(call feature_check,gtk2-infobar)
832 ifeq ($(feature-gtk2-infobar), 1)
833 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
835 CFLAGS += -DHAVE_GTK2_SUPPORT
836 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
837 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
843 CFLAGS += -DNO_LIBPERL
845 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
846 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
847 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
848 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
849 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
850 PERL_EMBED_CCOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(PERL_EMBED_CCOPTS))
851 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
852 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
854 ifneq ($(feature-libperl), 1)
855 CFLAGS += -DNO_LIBPERL
857 msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
859 LDFLAGS += $(PERL_EMBED_LDFLAGS)
860 EXTLIBS += $(PERL_EMBED_LIBADD)
861 CFLAGS += -DHAVE_LIBPERL_SUPPORT
862 ifeq ($(CC_NO_CLANG), 0)
863 CFLAGS += -Wno-compound-token-split-by-macro
865 $(call detected,CONFIG_LIBPERL)
869 ifeq ($(feature-timerfd), 1)
870 CFLAGS += -DHAVE_TIMERFD_SUPPORT
872 msg := $(warning No timerfd support. Disables 'perf kvm stat live');
875 disable-python = $(eval $(disable-python_code))
876 define disable-python_code
877 CFLAGS += -DNO_LIBPYTHON
882 PYTHON_EXTENSION_SUFFIX := '.so'
884 $(call disable-python,Python support disabled by user)
888 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
890 PYTHON_WORD := $(call shell-wordify,$(PYTHON))
893 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
896 ifneq ($(feature-libpython), 1)
897 $(call disable-python,No 'Python.h' was found: disables Python support - please install python-devel/python-dev)
899 LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
900 EXTLIBS += $(PYTHON_EMBED_LIBADD)
901 PYTHON_SETUPTOOLS_INSTALLED := $(shell $(PYTHON) -c 'import setuptools;' 2> /dev/null && echo "yes" || echo "no")
902 ifeq ($(PYTHON_SETUPTOOLS_INSTALLED), yes)
903 PYTHON_EXTENSION_SUFFIX := $(shell $(PYTHON) -c 'from importlib import machinery; print(machinery.EXTENSION_SUFFIXES[0])')
904 LANG_BINDINGS += $(obj-perf)python/perf$(PYTHON_EXTENSION_SUFFIX)
906 msg := $(warning Missing python setuptools, the python binding won't be built, please install python3-setuptools or equivalent);
908 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
909 $(call detected,CONFIG_LIBPYTHON)
915 ifneq ($(NO_JEVENTS),1)
916 ifeq ($(wildcard pmu-events/arch/$(SRCARCH)/mapfile.csv),)
920 ifneq ($(NO_JEVENTS),1)
923 $(error ERROR: No python interpreter needed for jevents generation. Install python or build with NO_JEVENTS=1.)
925 # jevents.py uses f-strings present in Python 3.6 released in Dec. 2016.
926 JEVENTS_PYTHON_GOOD := $(shell $(PYTHON) -c 'import sys;print("1" if(sys.version_info.major >= 3 and sys.version_info.minor >= 6) else "0")' 2> /dev/null)
927 ifneq ($(JEVENTS_PYTHON_GOOD), 1)
928 $(error ERROR: Python interpreter needed for jevents generation too old (older than 3.6). Install a newer python or build with NO_JEVENTS=1.)
933 ifdef BUILD_NONDISTRO
934 ifeq ($(feature-libbfd), 1)
935 EXTLIBS += -lbfd -lopcodes
937 # we are on a system that requires -liberty and (maybe) -lz
938 # to link against -lbfd; test each case individually here
940 # call all detections now so we get correct
941 # status in VF output
942 $(call feature_check,libbfd-liberty)
943 $(call feature_check,libbfd-liberty-z)
945 ifeq ($(feature-libbfd-liberty), 1)
946 EXTLIBS += -lbfd -lopcodes -liberty
947 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl
948 FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -ldl
950 ifeq ($(feature-libbfd-liberty-z), 1)
951 EXTLIBS += -lbfd -lopcodes -liberty -lz
952 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl
953 FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -lz -ldl
956 $(call feature_check,disassembler-four-args)
957 $(call feature_check,disassembler-init-styled)
960 CFLAGS += -DHAVE_LIBBFD_SUPPORT
961 CXXFLAGS += -DHAVE_LIBBFD_SUPPORT
962 ifeq ($(feature-libbfd-buildid), 1)
963 CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT
965 msg := $(warning Old version of libbfd/binutils things like PE executable profiling will not be available);
970 $(call feature_check,cxa-demangle)
971 ifeq ($(feature-cxa-demangle), 1)
973 CFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT
974 CXXFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT
975 $(call detected,CONFIG_CXX_DEMANGLE)
977 ifdef BUILD_NONDISTRO
978 ifeq ($(filter -liberty,$(EXTLIBS)),)
979 $(call feature_check,cplus-demangle)
980 ifeq ($(feature-cplus-demangle), 1)
984 ifneq ($(filter -liberty,$(EXTLIBS)),)
985 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
986 CXXFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
992 ifeq ($(feature-lzma), 1)
993 CFLAGS += -DHAVE_LZMA_SUPPORT
995 $(call detected,CONFIG_LZMA)
997 msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
1003 ifeq ($(feature-libzstd), 1)
1004 CFLAGS += -DHAVE_ZSTD_SUPPORT
1005 CFLAGS += $(LIBZSTD_CFLAGS)
1006 LDFLAGS += $(LIBZSTD_LDFLAGS)
1008 $(call detected,CONFIG_ZSTD)
1010 msg := $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR);
1016 ifeq ($(feature-libcap), 1)
1017 CFLAGS += -DHAVE_LIBCAP_SUPPORT
1019 $(call detected,CONFIG_LIBCAP)
1021 msg := $(warning No libcap found, disables capability support, please install libcap-devel/libcap-dev);
1027 ifeq ($(feature-backtrace), 1)
1028 CFLAGS += -DHAVE_BACKTRACE_SUPPORT
1033 ifeq ($(feature-libnuma), 0)
1034 msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
1037 ifeq ($(feature-numa_num_possible_cpus), 0)
1038 msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
1041 CFLAGS += -DHAVE_LIBNUMA_SUPPORT
1043 $(call detected,CONFIG_NUMA)
1048 ifdef HAVE_KVM_STAT_SUPPORT
1049 CFLAGS += -DHAVE_KVM_STAT_SUPPORT
1052 ifeq ($(feature-disassembler-four-args), 1)
1053 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
1056 ifeq ($(feature-disassembler-init-styled), 1)
1057 CFLAGS += -DDISASM_INIT_STYLED
1060 ifeq (${IS_64_BIT}, 1)
1061 ifndef NO_PERF_READ_VDSO32
1062 $(call feature_check,compile-32)
1063 ifeq ($(feature-compile-32), 1)
1064 CFLAGS += -DHAVE_PERF_READ_VDSO32
1066 NO_PERF_READ_VDSO32 := 1
1069 ifneq ($(SRCARCH), x86)
1070 NO_PERF_READ_VDSOX32 := 1
1072 ifndef NO_PERF_READ_VDSOX32
1073 $(call feature_check,compile-x32)
1074 ifeq ($(feature-compile-x32), 1)
1075 CFLAGS += -DHAVE_PERF_READ_VDSOX32
1077 NO_PERF_READ_VDSOX32 := 1
1081 NO_PERF_READ_VDSO32 := 1
1082 NO_PERF_READ_VDSOX32 := 1
1085 ifndef NO_LIBBABELTRACE
1086 $(call feature_check,libbabeltrace)
1087 ifeq ($(feature-libbabeltrace), 1)
1088 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
1089 LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
1090 EXTLIBS += -lbabeltrace-ctf
1091 $(call detected,CONFIG_LIBBABELTRACE)
1093 msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
1098 ifeq ($(SRCARCH),x86)
1099 ifeq ($(feature-get_cpuid), 0)
1100 msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
1105 $(call detected,CONFIG_AUXTRACE)
1106 CFLAGS += -DHAVE_AUXTRACE_SUPPORT
1107 ifeq ($(feature-reallocarray), 0)
1108 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
1114 $(call detected,CONFIG_EXTRA_TESTS)
1115 CFLAGS += -DHAVE_EXTRA_TESTS
1119 ifneq (,$(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)
1151 $(call feature_check,libpfm4)
1152 ifeq ($(feature-libpfm4), 1)
1153 CFLAGS += -DHAVE_LIBPFM
1155 ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1
1156 $(call detected,CONFIG_LIBPFM4)
1158 msg := $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev);
1162 # libtraceevent is a recommended dependency picked up from the system.
1163 ifneq ($(NO_LIBTRACEEVENT),1)
1164 $(call feature_check,libtraceevent)
1165 ifeq ($(feature-libtraceevent), 1)
1166 CFLAGS += -DHAVE_LIBTRACEEVENT
1167 EXTLIBS += -ltraceevent
1168 LIBTRACEEVENT_VERSION := $(shell $(PKG_CONFIG) --modversion libtraceevent)
1169 LIBTRACEEVENT_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEEVENT_VERSION)))
1170 LIBTRACEEVENT_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEEVENT_VERSION)))
1171 LIBTRACEEVENT_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEEVENT_VERSION)))
1172 LIBTRACEEVENT_VERSION_CPP := $(shell expr $(LIBTRACEEVENT_VERSION_1) \* 255 \* 255 + $(LIBTRACEEVENT_VERSION_2) \* 255 + $(LIBTRACEEVENT_VERSION_3))
1173 CFLAGS += -DLIBTRACEEVENT_VERSION=$(LIBTRACEEVENT_VERSION_CPP)
1174 $(call detected,CONFIG_LIBTRACEEVENT)
1176 dummy := $(error ERROR: libtraceevent is missing. Please install libtraceevent-dev/libtraceevent-devel or build with NO_LIBTRACEEVENT=1)
1179 $(call feature_check,libtracefs)
1180 ifeq ($(feature-libtracefs), 1)
1181 EXTLIBS += -ltracefs
1182 LIBTRACEFS_VERSION := $(shell $(PKG_CONFIG) --modversion libtracefs)
1183 LIBTRACEFS_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEFS_VERSION)))
1184 LIBTRACEFS_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEFS_VERSION)))
1185 LIBTRACEFS_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEFS_VERSION)))
1186 LIBTRACEFS_VERSION_CPP := $(shell expr $(LIBTRACEFS_VERSION_1) \* 255 \* 255 + $(LIBTRACEFS_VERSION_2) \* 255 + $(LIBTRACEFS_VERSION_3))
1187 CFLAGS += -DLIBTRACEFS_VERSION=$(LIBTRACEFS_VERSION_CPP)
1191 # Among the variables below, these:
1193 # libbpf_include_dir
1199 # ETC_PERFCONFIG (but not sysconfdir)
1200 # can be specified as a relative path some/where/else;
1201 # this is interpreted as relative to $(prefix) and "perf" at
1202 # runtime figures out where they are based on the path to the executable.
1203 # This can help installing the suite in a relocatable way.
1205 # Make the path relative to DESTDIR, not to prefix
1209 bindir_relative = bin
1210 bindir = $(abspath $(prefix)/$(bindir_relative))
1211 includedir_relative = include
1212 includedir = $(abspath $(prefix)/$(includedir_relative))
1214 infodir = share/info
1215 perfexecdir = libexec/perf-core
1216 # FIXME: system's libbpf header directory, where we expect to find bpf/bpf_helpers.h, for instance
1217 libbpf_include_dir = /usr/include
1218 perf_examples_dir = lib/perf/examples
1219 sharedir = $(prefix)/share
1220 template_dir = share/perf-core/templates
1221 STRACE_GROUPS_DIR = share/perf-core/strace/groups
1222 htmldir = share/doc/perf-doc
1223 tipdir = share/doc/perf-tip
1224 srcdir = $(srctree)/tools/perf
1225 ifeq ($(prefix),/usr)
1227 ETC_PERFCONFIG = $(sysconfdir)/perfconfig
1229 sysconfdir = $(prefix)/etc
1230 ETC_PERFCONFIG = etc/perfconfig
1233 ifeq ($(SRCARCH)$(IS_64_BIT), x861)
1239 libdir = $(prefix)/$(lib)
1241 # Shell quote (do not use $(call) to accommodate ancient setups);
1242 ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
1243 STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
1244 DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
1245 bindir_SQ = $(subst ','\'',$(bindir))
1246 includedir_SQ = $(subst ','\'',$(includedir))
1247 mandir_SQ = $(subst ','\'',$(mandir))
1248 infodir_SQ = $(subst ','\'',$(infodir))
1249 perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
1250 libbpf_include_dir_SQ = $(subst ','\'',$(libbpf_include_dir))
1251 perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir))
1252 template_dir_SQ = $(subst ','\'',$(template_dir))
1253 htmldir_SQ = $(subst ','\'',$(htmldir))
1254 tipdir_SQ = $(subst ','\'',$(tipdir))
1255 prefix_SQ = $(subst ','\'',$(prefix))
1256 sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
1257 libdir_SQ = $(subst ','\'',$(libdir))
1258 srcdir_SQ = $(subst ','\'',$(srcdir))
1260 ifneq ($(filter /%,$(firstword $(perfexecdir))),)
1261 perfexec_instdir = $(perfexecdir)
1262 perf_include_instdir = $(libbpf_include_dir)
1263 perf_examples_instdir = $(perf_examples_dir)
1264 STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
1265 tip_instdir = $(tipdir)
1267 perfexec_instdir = $(prefix)/$(perfexecdir)
1268 perf_include_instdir = $(prefix)/$(libbpf_include_dir)
1269 perf_examples_instdir = $(prefix)/$(perf_examples_dir)
1270 STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
1271 tip_instdir = $(prefix)/$(tipdir)
1273 perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
1274 perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir))
1275 perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir))
1276 STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
1277 tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
1279 export perfexec_instdir_SQ
1281 print_var = $(eval $(print_var_code)) $(info $(MSG))
1282 define print_var_code
1283 MSG = $(shell printf '...%40s: %s' $(1) $($(1)))
1286 ifeq ($(feature_display),1)
1287 $(call feature_display_entries)
1291 # Display EXTRA features which are detected manualy
1292 # from here with feature_check call and thus cannot
1293 # be partof global state output.
1294 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),) $(info $(MSG)))
1295 $(call print_var,prefix)
1296 $(call print_var,bindir)
1297 $(call print_var,libdir)
1298 $(call print_var,sysconfdir)
1299 $(call print_var,LIBUNWIND_DIR)
1300 $(call print_var,LIBDW_DIR)
1301 $(call print_var,JDIR)
1303 ifeq ($(dwarf-post-unwind),1)
1304 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text)) $(info $(MSG))
1310 $(call detected_var,bindir_SQ)
1311 $(call detected_var,PYTHON_WORD)
1313 $(call detected_var,OUTPUT)
1315 $(call detected_var,htmldir_SQ)
1316 $(call detected_var,infodir_SQ)
1317 $(call detected_var,mandir_SQ)
1318 $(call detected_var,ETC_PERFCONFIG_SQ)
1319 $(call detected_var,STRACE_GROUPS_DIR_SQ)
1320 $(call detected_var,prefix_SQ)
1321 $(call detected_var,perfexecdir_SQ)
1322 $(call detected_var,libbpf_include_dir_SQ)
1323 $(call detected_var,perf_examples_dir_SQ)
1324 $(call detected_var,tipdir_SQ)
1325 $(call detected_var,srcdir_SQ)
1326 $(call detected_var,LIBDIR)
1327 $(call detected_var,GTK_CFLAGS)
1328 $(call detected_var,PERL_EMBED_CCOPTS)
1329 $(call detected_var,PYTHON_EMBED_CCOPTS)
1330 ifneq ($(BISON_FILE_PREFIX_MAP),)
1331 $(call detected_var,BISON_FILE_PREFIX_MAP)
1334 # re-generate FEATURE-DUMP as we may have called feature_check, found out
1335 # extra libraries to add to LDFLAGS of some other test and then redo those
1336 # tests, see the block about libbfd, disassembler-four-args, for instance.
1337 $(shell rm -f $(FEATURE_DUMP_FILENAME))
1338 $(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME)))