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) $(EXTRA_WARNINGS)
21 include $(srctree)/tools/scripts/Makefile.arch
23 $(call detected_var,SRCARCH)
28 # Additional ARCH settings for ppc
29 ifeq ($(SRCARCH),powerpc)
32 CFLAGS += -I$(OUTPUT)arch/powerpc/include/generated
33 LIBUNWIND_LIBS := -lunwind -lunwind-ppc64
36 # Additional ARCH settings for x86
38 $(call detected,CONFIG_X86)
39 ifeq (${IS_64_BIT}, 1)
41 CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT -I$(OUTPUT)arch/x86/include/generated
42 ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
43 LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind -llzma
44 $(call detected,CONFIG_X86_64)
46 LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind
53 LIBUNWIND_LIBS = -lunwind -lunwind-arm
56 ifeq ($(SRCARCH),arm64)
59 CFLAGS += -I$(OUTPUT)arch/arm64/include/generated
60 LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
63 ifeq ($(SRCARCH),csky)
70 CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated
73 ifeq ($(NO_PERF_REGS),0)
74 $(call detected,CONFIG_PERF_REGS)
77 ifneq ($(NO_SYSCALL_TABLE),1)
78 CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT
81 # So far there's only x86 and arm libdw unwind support merged in perf.
82 # Disable it on all other architectures in case libdw unwind
83 # support is detected in system. Add supported architectures
85 ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390 csky))
86 NO_LIBDW_DWARF_UNWIND := 1
89 ifeq ($(LIBUNWIND_LIBS),)
93 # For linking with debug library, run like:
95 # make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
98 libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
99 define libunwind_arch_set_flags_code
100 FEATURE_CHECK_CFLAGS-libunwind-$(1) = -I$(LIBUNWIND_DIR)/include
101 FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
105 LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include
106 LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
107 LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64
108 $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
111 # Set per-feature check compilation flags
112 FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
113 FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
114 FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
115 FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
117 FEATURE_CHECK_LDFLAGS-libunwind-arm = -lunwind -lunwind-arm
118 FEATURE_CHECK_LDFLAGS-libunwind-aarch64 = -lunwind -lunwind-aarch64
119 FEATURE_CHECK_LDFLAGS-libunwind-x86 = -lunwind -llzma -lunwind-x86
120 FEATURE_CHECK_LDFLAGS-libunwind-x86_64 = -lunwind -llzma -lunwind-x86_64
122 FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto
125 LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)
127 OPENCSDLIBS := -lopencsd_c_api -lopencsd
129 LIBOPENCSD_LDFLAGS := -L$(CSLIBS)
131 FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS)
132 FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS)
134 ifeq ($(NO_PERF_REGS),0)
135 CFLAGS += -DHAVE_PERF_REGS_SUPPORT
138 # for linking with debug library, run like:
139 # make DEBUG=1 LIBDW_DIR=/opt/libdw/
141 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include
142 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
145 ifeq ($(findstring -static,${LDFLAGS}),-static)
146 DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2
148 FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
149 FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS)
151 # for linking with debug library, run like:
152 # make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
153 ifdef LIBBABELTRACE_DIR
154 LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include
155 LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
157 FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
158 FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
161 LIBZSTD_CFLAGS := -I$(LIBZSTD_DIR)/lib
162 LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib
164 FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS)
165 FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS)
167 FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi
168 # include ARCH specific config
169 -include $(src-perf)/arch/$(SRCARCH)/Makefile
171 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
172 CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
175 include $(srctree)/tools/scripts/utilities.mak
177 ifeq ($(call get-executable,$(FLEX)),)
178 dummy := $(error Error: $(FLEX) is missing on this system, please install it)
181 ifeq ($(call get-executable,$(BISON)),)
182 dummy := $(error Error: $(BISON) is missing on this system, please install it)
185 # Treat warnings as errors unless directed not to
196 ifeq ($(CC_NO_CLANG), 0)
204 PARSER_DEBUG_BISON := -t
205 PARSER_DEBUG_FLEX := -d
206 CFLAGS += -DPARSER_DEBUG
207 $(call detected_var,PARSER_DEBUG_BISON)
208 $(call detected_var,PARSER_DEBUG_FLEX)
211 # Try different combinations to accommodate systems that only have
212 # python[2][-config] in weird combinations but always preferring
213 # python2 and python2-config as per pep-0394. If we catch a
214 # python[-config] in version 3, the version check will kill it.
215 PYTHON2 := $(if $(call get-executable,python2),python2,python)
216 override PYTHON := $(call get-executable-or-default,PYTHON,$(PYTHON2))
218 $(if $(call get-executable,$(PYTHON)-config),$(PYTHON)-config,python-config)
219 override PYTHON_CONFIG := \
220 $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON2_CONFIG))
222 grep-libs = $(filter -l%,$(1))
223 strip-libs = $(filter-out -l%,$(1))
225 PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
228 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
229 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
230 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
231 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null)
232 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
235 FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
236 FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
237 FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
238 FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
240 FEATURE_CHECK_LDFLAGS-libaio = -lrt
242 FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes -ldl
244 CFLAGS += -fno-omit-frame-pointer
246 CFLAGS += -funwind-tables
251 CXXFLAGS += -std=gnu++11 -fno-exceptions -fno-rtti
253 CXXFLAGS += -fno-omit-frame-pointer
255 CXXFLAGS += -funwind-tables
256 CXXFLAGS += -Wno-strict-aliasing
258 # Enforce a non-executable stack, as we may regress (again) in the future by
259 # adding assembler files missing the .GNU-stack linker note.
260 LDFLAGS += -Wl,-z,noexecstack
262 EXTLIBS = -lpthread -lrt -lm -ldl
264 ifeq ($(FEATURES_DUMP),)
265 include $(srctree)/tools/build/Makefile.feature
267 include $(FEATURES_DUMP)
270 ifeq ($(feature-stackprotector-all), 1)
271 CFLAGS += -fstack-protector-all
275 ifeq ($(feature-fortify-source), 1)
276 CFLAGS += -D_FORTIFY_SOURCE=2
280 INC_FLAGS += -I$(src-perf)/util/include
281 INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
282 INC_FLAGS += -I$(srctree)/tools/include/uapi
283 INC_FLAGS += -I$(srctree)/tools/include/
284 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
285 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
286 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
288 # $(obj-perf) for generated common-cmds.h
289 # $(obj-perf)/util for generated bison/flex headers
291 INC_FLAGS += -I$(obj-perf)/util
292 INC_FLAGS += -I$(obj-perf)
295 INC_FLAGS += -I$(src-perf)/util
296 INC_FLAGS += -I$(src-perf)
297 INC_FLAGS += -I$(srctree)/tools/lib/
299 CFLAGS += $(INC_FLAGS)
300 CXXFLAGS += $(INC_FLAGS)
302 CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
304 ifeq ($(feature-sync-compare-and-swap), 1)
305 CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
308 ifeq ($(feature-pthread-attr-setaffinity-np), 1)
309 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
312 ifeq ($(feature-pthread-barrier), 1)
313 CFLAGS += -DHAVE_PTHREAD_BARRIER
317 $(call feature_check,bionic)
318 ifeq ($(feature-bionic), 1)
320 CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE
321 CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE
322 EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
323 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
327 ifeq ($(feature-eventfd), 1)
328 CFLAGS += -DHAVE_EVENTFD
331 ifeq ($(feature-get_current_dir_name), 1)
332 CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME
339 NO_LIBDW_DWARF_UNWIND := 1
343 ifeq ($(feature-libelf), 0)
344 ifeq ($(feature-glibc), 1)
350 ifeq ($(LIBC_SUPPORT),1)
351 msg := $(warning No libelf found. Disables 'probe' tool, jvmti and BPF support in 'perf record'. Please install libelf-dev, libelf-devel or elfutils-libelf-devel);
357 NO_LIBDW_DWARF_UNWIND := 1
361 ifneq ($(filter s% -static%,$(LDFLAGS),),)
362 msg := $(error No static glibc found, please install glibc-static);
364 msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
368 ifndef NO_LIBDW_DWARF_UNWIND
369 ifneq ($(feature-libdw-dwarf-unwind),1)
370 NO_LIBDW_DWARF_UNWIND := 1
371 msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
374 ifneq ($(feature-dwarf), 1)
376 msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
380 ifneq ($(feature-dwarf_getlocations), 1)
381 msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
383 CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT
384 endif # dwarf_getlocations
385 endif # Dwarf support
386 endif # libelf support
389 ifeq ($(feature-glibc), 1)
390 CFLAGS += -DHAVE_GLIBC_SUPPORT
393 ifeq ($(feature-libaio), 1)
395 CFLAGS += -DHAVE_AIO_SUPPORT
400 NO_LIBDW_DWARF_UNWIND := 1
403 ifeq ($(feature-sched_getcpu), 1)
404 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
407 ifeq ($(feature-setns), 1)
408 CFLAGS += -DHAVE_SETNS_SUPPORT
409 $(call detected,CONFIG_SETNS)
413 $(call feature_check,libopencsd)
414 ifeq ($(feature-libopencsd), 1)
415 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
416 LDFLAGS += $(LIBOPENCSD_LDFLAGS)
417 EXTLIBS += $(OPENCSDLIBS)
418 $(call detected,CONFIG_LIBOPENCSD)
420 CFLAGS += -DCS_DEBUG_RAW
421 ifeq (${CSTRACE_RAW}, packed)
422 CFLAGS += -DCS_RAW_PACKED
429 CFLAGS += -DHAVE_LIBELF_SUPPORT
431 $(call detected,CONFIG_LIBELF)
433 ifeq ($(feature-libelf-mmap), 1)
434 CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
437 ifeq ($(feature-libelf-getphdrnum), 1)
438 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
441 ifeq ($(feature-libelf-gelf_getnote), 1)
442 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
444 msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
447 ifeq ($(feature-libelf-getshdrstrndx), 1)
448 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
452 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
453 msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
456 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
457 LDFLAGS += $(LIBDW_LDFLAGS)
458 EXTLIBS += ${DWARFLIBS}
459 $(call detected,CONFIG_DWARF)
460 endif # PERF_HAVE_DWARF_REGS
464 ifeq ($(feature-bpf), 1)
465 CFLAGS += -DHAVE_LIBBPF_SUPPORT
466 $(call detected,CONFIG_LIBBPF)
470 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
471 CFLAGS += -DHAVE_BPF_PROLOGUE
472 $(call detected,CONFIG_BPF_PROLOGUE)
474 msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset());
477 msg := $(warning DWARF support is off, BPF prologue is disabled);
484 ifneq ($(feature-sdt), 1)
485 msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
488 CFLAGS += -DHAVE_SDT_EVENT
489 $(call detected,CONFIG_SDT_EVENT)
493 ifdef PERF_HAVE_JITDUMP
495 $(call detected,CONFIG_JITDUMP)
496 CFLAGS += -DHAVE_JITDUMP
500 ifeq ($(SRCARCH),powerpc)
502 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
509 $(call feature_check,libunwind-x86)
510 ifeq ($(feature-libunwind-x86), 1)
511 $(call detected,CONFIG_LIBUNWIND_X86)
512 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
513 LDFLAGS += -lunwind-x86
514 EXTLIBS_LIBUNWIND += -lunwind-x86
518 $(call feature_check,libunwind-aarch64)
519 ifeq ($(feature-libunwind-aarch64), 1)
520 $(call detected,CONFIG_LIBUNWIND_AARCH64)
521 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
522 LDFLAGS += -lunwind-aarch64
523 EXTLIBS_LIBUNWIND += -lunwind-aarch64
525 $(call feature_check,libunwind-debug-frame-aarch64)
526 ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
527 msg := $(warning No debug_frame support found in libunwind-aarch64);
528 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
532 ifneq ($(feature-libunwind), 1)
533 msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
534 NO_LOCAL_LIBUNWIND := 1
537 $(call detected,CONFIG_LOCAL_LIBUNWIND)
540 ifneq ($(have_libunwind), 1)
544 NO_LOCAL_LIBUNWIND := 1
548 ifneq ($(feature-bpf), 1)
549 msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
554 dwarf-post-unwind := 1
555 dwarf-post-unwind-text := BUG
557 # setup DWARF post unwinder
559 ifdef NO_LIBDW_DWARF_UNWIND
560 msg := $(warning Disabling post unwind, no support found.);
561 dwarf-post-unwind := 0
563 dwarf-post-unwind-text := libdw
564 $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
567 dwarf-post-unwind-text := libunwind
568 $(call detected,CONFIG_LIBUNWIND)
569 # Enable libunwind support by default.
570 ifndef NO_LIBDW_DWARF_UNWIND
571 NO_LIBDW_DWARF_UNWIND := 1
575 ifeq ($(dwarf-post-unwind),1)
576 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
577 $(call detected,CONFIG_DWARF_UNWIND)
582 ifndef NO_LOCAL_LIBUNWIND
583 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
584 $(call feature_check,libunwind-debug-frame)
585 ifneq ($(feature-libunwind-debug-frame), 1)
586 msg := $(warning No debug_frame support found in libunwind);
587 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
590 # non-ARM has no dwarf_find_debug_frame() function:
591 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
593 EXTLIBS += $(LIBUNWIND_LIBS)
594 LDFLAGS += $(LIBUNWIND_LIBS)
596 ifeq ($(findstring -static,${LDFLAGS}),-static)
597 # gcc -static links libgcc_eh which contans piece of libunwind
598 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
602 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
603 CFLAGS += $(LIBUNWIND_CFLAGS)
604 LDFLAGS += $(LIBUNWIND_LDFLAGS)
605 EXTLIBS += $(EXTLIBS_LIBUNWIND)
608 ifeq ($(NO_SYSCALL_TABLE),0)
609 $(call detected,CONFIG_TRACE)
612 ifneq ($(feature-libaudit), 1)
613 msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
616 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
618 $(call detected,CONFIG_TRACE)
624 ifneq ($(feature-libcrypto), 1)
625 msg := $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev);
628 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
630 $(call detected,CONFIG_CRYPTO)
639 ifneq ($(feature-libslang), 1)
640 msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
643 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
644 CFLAGS += -I/usr/include/slang
645 CFLAGS += -DHAVE_SLANG_SUPPORT
647 $(call detected,CONFIG_SLANG)
652 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
653 ifneq ($(feature-gtk2), 1)
654 msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
657 ifeq ($(feature-gtk2-infobar), 1)
658 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
660 CFLAGS += -DHAVE_GTK2_SUPPORT
661 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
662 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
668 CFLAGS += -DNO_LIBPERL
670 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
671 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
672 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
673 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
674 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
675 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
676 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
678 ifneq ($(feature-libperl), 1)
679 CFLAGS += -DNO_LIBPERL
681 msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
683 LDFLAGS += $(PERL_EMBED_LDFLAGS)
684 EXTLIBS += $(PERL_EMBED_LIBADD)
685 CFLAGS += -DHAVE_LIBPERL_SUPPORT
686 $(call detected,CONFIG_LIBPERL)
690 ifeq ($(feature-timerfd), 1)
691 CFLAGS += -DHAVE_TIMERFD_SUPPORT
693 msg := $(warning No timerfd support. Disables 'perf kvm stat live');
696 disable-python = $(eval $(disable-python_code))
697 define disable-python_code
698 CFLAGS += -DNO_LIBPYTHON
704 $(call disable-python,Python support disabled by user)
708 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
710 PYTHON_WORD := $(call shell-wordify,$(PYTHON))
713 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
716 ifneq ($(feature-libpython), 1)
717 $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
719 LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
720 EXTLIBS += $(PYTHON_EMBED_LIBADD)
721 LANG_BINDINGS += $(obj-perf)python/perf.so
722 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
723 $(call detected,CONFIG_LIBPYTHON)
729 ifeq ($(feature-libbfd), 1)
730 EXTLIBS += -lbfd -lopcodes
732 # we are on a system that requires -liberty and (maybe) -lz
733 # to link against -lbfd; test each case individually here
735 # call all detections now so we get correct
736 # status in VF output
737 $(call feature_check,libbfd-liberty)
738 $(call feature_check,libbfd-liberty-z)
740 ifeq ($(feature-libbfd-liberty), 1)
741 EXTLIBS += -lbfd -lopcodes -liberty
742 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl
744 ifeq ($(feature-libbfd-liberty-z), 1)
745 EXTLIBS += -lbfd -lopcodes -liberty -lz
746 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl
749 $(call feature_check,disassembler-four-args)
753 CFLAGS += -DNO_DEMANGLE
755 ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
758 ifeq ($(filter -liberty,$(EXTLIBS)),)
759 $(call feature_check,cplus-demangle)
761 # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
762 # or any of 'bfd iberty z' trinity
763 ifeq ($(feature-cplus-demangle), 1)
766 msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
767 CFLAGS += -DNO_DEMANGLE
772 ifneq ($(filter -liberty,$(EXTLIBS)),)
773 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
777 ifneq ($(filter -lbfd,$(EXTLIBS)),)
778 CFLAGS += -DHAVE_LIBBFD_SUPPORT
782 ifeq ($(feature-zlib), 1)
783 CFLAGS += -DHAVE_ZLIB_SUPPORT
785 $(call detected,CONFIG_ZLIB)
792 ifeq ($(feature-lzma), 1)
793 CFLAGS += -DHAVE_LZMA_SUPPORT
795 $(call detected,CONFIG_LZMA)
797 msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
803 ifeq ($(feature-libzstd), 1)
804 CFLAGS += -DHAVE_ZSTD_SUPPORT
805 CFLAGS += $(LIBZSTD_CFLAGS)
806 LDFLAGS += $(LIBZSTD_LDFLAGS)
808 $(call detected,CONFIG_ZSTD)
810 msg := $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR);
816 ifeq ($(feature-backtrace), 1)
817 CFLAGS += -DHAVE_BACKTRACE_SUPPORT
822 ifeq ($(feature-libnuma), 0)
823 msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
826 ifeq ($(feature-numa_num_possible_cpus), 0)
827 msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
830 CFLAGS += -DHAVE_LIBNUMA_SUPPORT
832 $(call detected,CONFIG_NUMA)
837 ifdef HAVE_KVM_STAT_SUPPORT
838 CFLAGS += -DHAVE_KVM_STAT_SUPPORT
841 ifeq ($(feature-disassembler-four-args), 1)
842 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
845 ifeq (${IS_64_BIT}, 1)
846 ifndef NO_PERF_READ_VDSO32
847 $(call feature_check,compile-32)
848 ifeq ($(feature-compile-32), 1)
849 CFLAGS += -DHAVE_PERF_READ_VDSO32
851 NO_PERF_READ_VDSO32 := 1
854 ifneq ($(SRCARCH), x86)
855 NO_PERF_READ_VDSOX32 := 1
857 ifndef NO_PERF_READ_VDSOX32
858 $(call feature_check,compile-x32)
859 ifeq ($(feature-compile-x32), 1)
860 CFLAGS += -DHAVE_PERF_READ_VDSOX32
862 NO_PERF_READ_VDSOX32 := 1
866 NO_PERF_READ_VDSO32 := 1
867 NO_PERF_READ_VDSOX32 := 1
870 ifndef NO_LIBBABELTRACE
871 $(call feature_check,libbabeltrace)
872 ifeq ($(feature-libbabeltrace), 1)
873 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
874 LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
875 EXTLIBS += -lbabeltrace-ctf
876 $(call detected,CONFIG_LIBBABELTRACE)
878 msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
883 ifeq ($(SRCARCH),x86)
884 ifeq ($(feature-get_cpuid), 0)
885 msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
890 $(call detected,CONFIG_AUXTRACE)
891 CFLAGS += -DHAVE_AUXTRACE_SUPPORT
896 ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
897 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
899 ifneq (,$(wildcard /usr/sbin/alternatives))
900 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed 's%/jre/bin/java.%%g')
904 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
910 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
911 $(call feature_check,jvmti)
912 ifeq ($(feature-jvmti), 1)
913 $(call detected_var,JDIR)
915 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti)
916 $(call feature_check,jvmti-cmlr)
917 ifeq ($(feature-jvmti-cmlr), 1)
918 CFLAGS += -DHAVE_JVMTI_CMLR
920 endif # NO_JVMTI_CMLR
922 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel)
930 $(call feature_check,cxx)
931 ifneq ($(feature-cxx), 1)
932 msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
934 $(call feature_check,llvm)
935 $(call feature_check,llvm-version)
936 ifneq ($(feature-llvm), 1)
937 msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
939 $(call feature_check,clang)
940 ifneq ($(feature-clang), 1)
941 msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
943 CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
944 CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
945 $(call detected,CONFIG_CXX)
946 $(call detected,CONFIG_CLANGLLVM)
950 ifneq ($(feature-llvm-version),1)
951 msg := $(warning This version of LLVM is not tested. May cause build errors)
958 # Among the variables below, these:
966 # ETC_PERFCONFIG (but not sysconfdir)
967 # can be specified as a relative path some/where/else;
968 # this is interpreted as relative to $(prefix) and "perf" at
969 # runtime figures out where they are based on the path to the executable.
970 # This can help installing the suite in a relocatable way.
972 # Make the path relative to DESTDIR, not to prefix
976 bindir_relative = bin
977 bindir = $(abspath $(prefix)/$(bindir_relative))
980 perfexecdir = libexec/perf-core
981 perf_include_dir = lib/perf/include
982 perf_examples_dir = lib/perf/examples
983 sharedir = $(prefix)/share
984 template_dir = share/perf-core/templates
985 STRACE_GROUPS_DIR = share/perf-core/strace/groups
986 htmldir = share/doc/perf-doc
987 tipdir = share/doc/perf-tip
988 srcdir = $(srctree)/tools/perf
989 ifeq ($(prefix),/usr)
991 ETC_PERFCONFIG = $(sysconfdir)/perfconfig
993 sysconfdir = $(prefix)/etc
994 ETC_PERFCONFIG = etc/perfconfig
997 ifeq ($(SRCARCH)$(IS_64_BIT), x861)
1003 libdir = $(prefix)/$(lib)
1005 # Shell quote (do not use $(call) to accommodate ancient setups);
1006 ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
1007 STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
1008 DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
1009 bindir_SQ = $(subst ','\'',$(bindir))
1010 mandir_SQ = $(subst ','\'',$(mandir))
1011 infodir_SQ = $(subst ','\'',$(infodir))
1012 perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
1013 perf_include_dir_SQ = $(subst ','\'',$(perf_include_dir))
1014 perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir))
1015 template_dir_SQ = $(subst ','\'',$(template_dir))
1016 htmldir_SQ = $(subst ','\'',$(htmldir))
1017 tipdir_SQ = $(subst ','\'',$(tipdir))
1018 prefix_SQ = $(subst ','\'',$(prefix))
1019 sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
1020 libdir_SQ = $(subst ','\'',$(libdir))
1021 srcdir_SQ = $(subst ','\'',$(srcdir))
1023 ifneq ($(filter /%,$(firstword $(perfexecdir))),)
1024 perfexec_instdir = $(perfexecdir)
1025 perf_include_instdir = $(perf_include_dir)
1026 perf_examples_instdir = $(perf_examples_dir)
1027 STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
1028 tip_instdir = $(tipdir)
1030 perfexec_instdir = $(prefix)/$(perfexecdir)
1031 perf_include_instdir = $(prefix)/$(perf_include_dir)
1032 perf_examples_instdir = $(prefix)/$(perf_examples_dir)
1033 STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
1034 tip_instdir = $(prefix)/$(tipdir)
1036 perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
1037 perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir))
1038 perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir))
1039 STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
1040 tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
1042 # If we install to $(HOME) we keep the traceevent default:
1043 # $(HOME)/.traceevent/plugins
1044 # Otherwise we install plugins into the global $(libdir).
1046 plugindir=$(libdir)/traceevent/plugins
1047 plugindir_SQ= $(subst ','\'',$(plugindir))
1050 print_var = $(eval $(print_var_code)) $(info $(MSG))
1051 define print_var_code
1052 MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
1056 # Display EXTRA features which are detected manualy
1057 # from here with feature_check call and thus cannot
1058 # be partof global state output.
1059 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),))
1060 $(call print_var,prefix)
1061 $(call print_var,bindir)
1062 $(call print_var,libdir)
1063 $(call print_var,sysconfdir)
1064 $(call print_var,LIBUNWIND_DIR)
1065 $(call print_var,LIBDW_DIR)
1066 $(call print_var,JDIR)
1068 ifeq ($(dwarf-post-unwind),1)
1069 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
1074 $(call detected_var,bindir_SQ)
1075 $(call detected_var,PYTHON_WORD)
1077 $(call detected_var,OUTPUT)
1079 $(call detected_var,htmldir_SQ)
1080 $(call detected_var,infodir_SQ)
1081 $(call detected_var,mandir_SQ)
1082 $(call detected_var,ETC_PERFCONFIG_SQ)
1083 $(call detected_var,STRACE_GROUPS_DIR_SQ)
1084 $(call detected_var,prefix_SQ)
1085 $(call detected_var,perfexecdir_SQ)
1086 $(call detected_var,perf_include_dir_SQ)
1087 $(call detected_var,perf_examples_dir_SQ)
1088 $(call detected_var,tipdir_SQ)
1089 $(call detected_var,srcdir_SQ)
1090 $(call detected_var,LIBDIR)
1091 $(call detected_var,GTK_CFLAGS)
1092 $(call detected_var,PERL_EMBED_CCOPTS)
1093 $(call detected_var,PYTHON_EMBED_CCOPTS)