3 src-perf := $(srctree)/tools/perf
11 obj-perf := $(abspath $(obj-perf))/
14 $(shell printf "" > $(OUTPUT).config-detected)
15 detected = $(shell echo "$(1)=y" >> $(OUTPUT).config-detected)
16 detected_var = $(shell echo "$(1)=$($(1))" >> $(OUTPUT).config-detected)
18 CFLAGS := $(EXTRA_CFLAGS) $(EXTRA_WARNINGS)
20 include $(srctree)/tools/scripts/Makefile.arch
22 $(call detected_var,SRCARCH)
27 # Additional ARCH settings for ppc
28 ifeq ($(SRCARCH),powerpc)
31 CFLAGS += -I$(OUTPUT)arch/powerpc/include/generated
32 LIBUNWIND_LIBS := -lunwind -lunwind-ppc64
35 # Additional ARCH settings for x86
37 $(call detected,CONFIG_X86)
38 ifeq (${IS_64_BIT}, 1)
40 CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT -I$(OUTPUT)arch/x86/include/generated
41 ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
42 LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind -llzma
43 $(call detected,CONFIG_X86_64)
45 LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind
52 LIBUNWIND_LIBS = -lunwind -lunwind-arm
55 ifeq ($(SRCARCH),arm64)
58 CFLAGS += -I$(OUTPUT)arch/arm64/include/generated
59 LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
65 CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated
68 ifeq ($(NO_PERF_REGS),0)
69 $(call detected,CONFIG_PERF_REGS)
72 ifneq ($(NO_SYSCALL_TABLE),1)
73 CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT
76 # So far there's only x86 and arm libdw unwind support merged in perf.
77 # Disable it on all other architectures in case libdw unwind
78 # support is detected in system. Add supported architectures
80 ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390))
81 NO_LIBDW_DWARF_UNWIND := 1
84 ifeq ($(LIBUNWIND_LIBS),)
88 # For linking with debug library, run like:
90 # make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
93 libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
94 define libunwind_arch_set_flags_code
95 FEATURE_CHECK_CFLAGS-libunwind-$(1) = -I$(LIBUNWIND_DIR)/include
96 FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
100 LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include
101 LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
102 LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64
103 $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
106 # Set per-feature check compilation flags
107 FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
108 FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
109 FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
110 FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
113 LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)
115 OPENCSDLIBS := -lopencsd_c_api -lopencsd
117 LIBOPENCSD_LDFLAGS := -L$(CSLIBS)
119 FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS)
120 FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS)
122 ifeq ($(NO_PERF_REGS),0)
123 CFLAGS += -DHAVE_PERF_REGS_SUPPORT
126 # for linking with debug library, run like:
127 # make DEBUG=1 LIBDW_DIR=/opt/libdw/
129 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include
130 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
133 ifeq ($(findstring -static,${LDFLAGS}),-static)
134 DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2
136 FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
137 FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS)
139 # for linking with debug library, run like:
140 # make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
141 ifdef LIBBABELTRACE_DIR
142 LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include
143 LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
145 FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
146 FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
148 FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi
149 # include ARCH specific config
150 -include $(src-perf)/arch/$(SRCARCH)/Makefile
152 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
153 CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
156 include $(srctree)/tools/scripts/utilities.mak
158 ifeq ($(call get-executable,$(FLEX)),)
159 dummy := $(error Error: $(FLEX) is missing on this system, please install it)
162 ifeq ($(call get-executable,$(BISON)),)
163 dummy := $(error Error: $(BISON) is missing on this system, please install it)
166 # Treat warnings as errors unless directed not to
177 ifeq ($(CC_NO_CLANG), 0)
185 PARSER_DEBUG_BISON := -t
186 PARSER_DEBUG_FLEX := -d
187 CFLAGS += -DPARSER_DEBUG
188 $(call detected_var,PARSER_DEBUG_BISON)
189 $(call detected_var,PARSER_DEBUG_FLEX)
192 # Try different combinations to accommodate systems that only have
193 # python[2][-config] in weird combinations but always preferring
194 # python2 and python2-config as per pep-0394. If we catch a
195 # python[-config] in version 3, the version check will kill it.
196 PYTHON2 := $(if $(call get-executable,python2),python2,python)
197 override PYTHON := $(call get-executable-or-default,PYTHON,$(PYTHON2))
199 $(if $(call get-executable,$(PYTHON)-config),$(PYTHON)-config,python-config)
200 override PYTHON_CONFIG := \
201 $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON2_CONFIG))
203 grep-libs = $(filter -l%,$(1))
204 strip-libs = $(filter-out -l%,$(1))
206 PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
208 # Python 3.8 changed the output of `python-config --ldflags` to not include the
209 # '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for
210 # libpython fails if that flag is not included in LDFLAGS
211 ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0)
212 PYTHON_CONFIG_LDFLAGS := --ldflags --embed
214 PYTHON_CONFIG_LDFLAGS := --ldflags
218 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) $(PYTHON_CONFIG_LDFLAGS) 2>/dev/null)
219 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
220 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
221 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null)
222 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
225 FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
226 FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
228 CFLAGS += -fno-omit-frame-pointer
230 CFLAGS += -funwind-tables
235 CXXFLAGS += -std=gnu++11 -fno-exceptions -fno-rtti
237 CXXFLAGS += -fno-omit-frame-pointer
239 CXXFLAGS += -funwind-tables
240 CXXFLAGS += -Wno-strict-aliasing
242 # Enforce a non-executable stack, as we may regress (again) in the future by
243 # adding assembler files missing the .GNU-stack linker note.
244 LDFLAGS += -Wl,-z,noexecstack
246 EXTLIBS = -lpthread -lrt -lm -ldl
248 ifeq ($(FEATURES_DUMP),)
249 include $(srctree)/tools/build/Makefile.feature
251 include $(FEATURES_DUMP)
254 ifeq ($(feature-stackprotector-all), 1)
255 CFLAGS += -fstack-protector-all
259 ifeq ($(feature-fortify-source), 1)
260 CFLAGS += -D_FORTIFY_SOURCE=2
264 INC_FLAGS += -I$(src-perf)/util/include
265 INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
266 INC_FLAGS += -I$(srctree)/tools/include/uapi
267 INC_FLAGS += -I$(srctree)/tools/include/
268 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
269 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
270 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
272 # $(obj-perf) for generated common-cmds.h
273 # $(obj-perf)/util for generated bison/flex headers
275 INC_FLAGS += -I$(obj-perf)/util
276 INC_FLAGS += -I$(obj-perf)
279 INC_FLAGS += -I$(src-perf)/util
280 INC_FLAGS += -I$(src-perf)
281 INC_FLAGS += -I$(srctree)/tools/lib/
283 CFLAGS += $(INC_FLAGS)
284 CXXFLAGS += $(INC_FLAGS)
286 CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
288 ifeq ($(feature-sync-compare-and-swap), 1)
289 CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
292 ifeq ($(feature-pthread-attr-setaffinity-np), 1)
293 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
296 ifeq ($(feature-pthread-barrier), 1)
297 CFLAGS += -DHAVE_PTHREAD_BARRIER
301 $(call feature_check,bionic)
302 ifeq ($(feature-bionic), 1)
304 CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE
305 CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE
306 EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
307 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
311 ifeq ($(feature-eventfd), 1)
312 CFLAGS += -DHAVE_EVENTFD
315 ifeq ($(feature-get_current_dir_name), 1)
316 CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME
319 ifeq ($(feature-gettid), 1)
320 CFLAGS += -DHAVE_GETTID
327 NO_LIBDW_DWARF_UNWIND := 1
331 ifeq ($(feature-libelf), 0)
332 ifeq ($(feature-glibc), 1)
338 ifeq ($(LIBC_SUPPORT),1)
339 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);
345 NO_LIBDW_DWARF_UNWIND := 1
349 ifneq ($(filter s% -static%,$(LDFLAGS),),)
350 msg := $(error No static glibc found, please install glibc-static);
352 msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
356 ifndef NO_LIBDW_DWARF_UNWIND
357 ifneq ($(feature-libdw-dwarf-unwind),1)
358 NO_LIBDW_DWARF_UNWIND := 1
359 msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
362 ifneq ($(feature-dwarf), 1)
364 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);
368 ifneq ($(feature-dwarf_getlocations), 1)
369 msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
371 CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT
372 endif # dwarf_getlocations
373 endif # Dwarf support
374 endif # libelf support
377 ifeq ($(feature-glibc), 1)
378 CFLAGS += -DHAVE_GLIBC_SUPPORT
382 NO_LIBDW_DWARF_UNWIND := 1
385 ifeq ($(feature-sched_getcpu), 1)
386 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
389 ifeq ($(feature-setns), 1)
390 CFLAGS += -DHAVE_SETNS_SUPPORT
391 $(call detected,CONFIG_SETNS)
395 ifeq ($(feature-libopencsd), 1)
396 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
397 LDFLAGS += $(LIBOPENCSD_LDFLAGS)
398 EXTLIBS += $(OPENCSDLIBS)
399 $(call detected,CONFIG_LIBOPENCSD)
401 CFLAGS += -DCS_DEBUG_RAW
402 ifeq (${CSTRACE_RAW}, packed)
403 CFLAGS += -DCS_RAW_PACKED
410 CFLAGS += -DHAVE_LIBELF_SUPPORT
412 $(call detected,CONFIG_LIBELF)
414 ifeq ($(feature-libelf-mmap), 1)
415 CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
418 ifeq ($(feature-libelf-getphdrnum), 1)
419 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
422 ifeq ($(feature-libelf-gelf_getnote), 1)
423 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
425 msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
428 ifeq ($(feature-libelf-getshdrstrndx), 1)
429 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
433 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
434 msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
437 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
438 LDFLAGS += $(LIBDW_LDFLAGS)
439 EXTLIBS += ${DWARFLIBS}
440 $(call detected,CONFIG_DWARF)
441 endif # PERF_HAVE_DWARF_REGS
445 ifeq ($(feature-bpf), 1)
446 CFLAGS += -DHAVE_LIBBPF_SUPPORT
447 $(call detected,CONFIG_LIBBPF)
451 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
452 CFLAGS += -DHAVE_BPF_PROLOGUE
453 $(call detected,CONFIG_BPF_PROLOGUE)
455 msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset());
458 msg := $(warning DWARF support is off, BPF prologue is disabled);
465 ifneq ($(feature-sdt), 1)
466 msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
469 CFLAGS += -DHAVE_SDT_EVENT
470 $(call detected,CONFIG_SDT_EVENT)
474 ifdef PERF_HAVE_JITDUMP
476 $(call detected,CONFIG_JITDUMP)
477 CFLAGS += -DHAVE_JITDUMP
481 ifeq ($(SRCARCH),powerpc)
483 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
490 ifeq ($(feature-libunwind-x86), 1)
491 $(call detected,CONFIG_LIBUNWIND_X86)
492 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
493 LDFLAGS += -lunwind-x86
494 EXTLIBS_LIBUNWIND += -lunwind-x86
498 ifeq ($(feature-libunwind-aarch64), 1)
499 $(call detected,CONFIG_LIBUNWIND_AARCH64)
500 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
501 LDFLAGS += -lunwind-aarch64
502 EXTLIBS_LIBUNWIND += -lunwind-aarch64
504 $(call feature_check,libunwind-debug-frame-aarch64)
505 ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
506 msg := $(warning No debug_frame support found in libunwind-aarch64);
507 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
511 ifneq ($(feature-libunwind), 1)
512 msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
513 NO_LOCAL_LIBUNWIND := 1
516 $(call detected,CONFIG_LOCAL_LIBUNWIND)
519 ifneq ($(have_libunwind), 1)
523 NO_LOCAL_LIBUNWIND := 1
527 ifneq ($(feature-bpf), 1)
528 msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
533 dwarf-post-unwind := 1
534 dwarf-post-unwind-text := BUG
536 # setup DWARF post unwinder
538 ifdef NO_LIBDW_DWARF_UNWIND
539 msg := $(warning Disabling post unwind, no support found.);
540 dwarf-post-unwind := 0
542 dwarf-post-unwind-text := libdw
543 $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
546 dwarf-post-unwind-text := libunwind
547 $(call detected,CONFIG_LIBUNWIND)
548 # Enable libunwind support by default.
549 ifndef NO_LIBDW_DWARF_UNWIND
550 NO_LIBDW_DWARF_UNWIND := 1
554 ifeq ($(dwarf-post-unwind),1)
555 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
556 $(call detected,CONFIG_DWARF_UNWIND)
561 ifndef NO_LOCAL_LIBUNWIND
562 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
563 $(call feature_check,libunwind-debug-frame)
564 ifneq ($(feature-libunwind-debug-frame), 1)
565 msg := $(warning No debug_frame support found in libunwind);
566 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
569 # non-ARM has no dwarf_find_debug_frame() function:
570 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
572 EXTLIBS += $(LIBUNWIND_LIBS)
573 LDFLAGS += $(LIBUNWIND_LIBS)
575 ifeq ($(findstring -static,${LDFLAGS}),-static)
576 # gcc -static links libgcc_eh which contans piece of libunwind
577 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
581 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
582 CFLAGS += $(LIBUNWIND_CFLAGS)
583 LDFLAGS += $(LIBUNWIND_LDFLAGS)
584 EXTLIBS += $(EXTLIBS_LIBUNWIND)
587 ifeq ($(NO_SYSCALL_TABLE),0)
588 $(call detected,CONFIG_TRACE)
591 ifneq ($(feature-libaudit), 1)
592 msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
595 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
597 $(call detected,CONFIG_TRACE)
603 ifneq ($(feature-libcrypto), 1)
604 msg := $(warning No libcrypto.h found, disables jitted code injection, please install libssl-devel or libssl-dev);
607 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
609 $(call detected,CONFIG_CRYPTO)
618 ifneq ($(feature-libslang), 1)
619 msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
622 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
623 CFLAGS += -I/usr/include/slang
624 CFLAGS += -DHAVE_SLANG_SUPPORT
626 $(call detected,CONFIG_SLANG)
631 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
632 ifneq ($(feature-gtk2), 1)
633 msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
636 ifeq ($(feature-gtk2-infobar), 1)
637 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
639 CFLAGS += -DHAVE_GTK2_SUPPORT
640 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
641 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
647 CFLAGS += -DNO_LIBPERL
649 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
650 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
651 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
652 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
653 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
654 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
655 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
657 ifneq ($(feature-libperl), 1)
658 CFLAGS += -DNO_LIBPERL
660 msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
662 LDFLAGS += $(PERL_EMBED_LDFLAGS)
663 EXTLIBS += $(PERL_EMBED_LIBADD)
664 CFLAGS += -DHAVE_LIBPERL_SUPPORT
665 ifeq ($(CC_NO_CLANG), 0)
666 CFLAGS += -Wno-compound-token-split-by-macro
668 $(call detected,CONFIG_LIBPERL)
672 ifeq ($(feature-timerfd), 1)
673 CFLAGS += -DHAVE_TIMERFD_SUPPORT
675 msg := $(warning No timerfd support. Disables 'perf kvm stat live');
678 disable-python = $(eval $(disable-python_code))
679 define disable-python_code
680 CFLAGS += -DNO_LIBPYTHON
686 $(call disable-python,Python support disabled by user)
690 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
692 PYTHON_WORD := $(call shell-wordify,$(PYTHON))
695 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
698 ifneq ($(feature-libpython), 1)
699 $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
701 LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
702 EXTLIBS += $(PYTHON_EMBED_LIBADD)
703 LANG_BINDINGS += $(obj-perf)python/perf.so
704 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
705 $(call detected,CONFIG_LIBPYTHON)
711 ifeq ($(feature-libbfd), 1)
714 # we are on a system that requires -liberty and (maybe) -lz
715 # to link against -lbfd; test each case individually here
717 # call all detections now so we get correct
718 # status in VF output
719 $(call feature_check,libbfd-liberty)
720 $(call feature_check,libbfd-liberty-z)
722 ifeq ($(feature-libbfd-liberty), 1)
723 EXTLIBS += -lbfd -liberty
725 ifeq ($(feature-libbfd-liberty-z), 1)
726 EXTLIBS += -lbfd -liberty -lz
732 CFLAGS += -DNO_DEMANGLE
734 ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
737 ifeq ($(filter -liberty,$(EXTLIBS)),)
738 $(call feature_check,cplus-demangle)
740 # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
741 # or any of 'bfd iberty z' trinity
742 ifeq ($(feature-cplus-demangle), 1)
745 msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
746 CFLAGS += -DNO_DEMANGLE
751 ifneq ($(filter -liberty,$(EXTLIBS)),)
752 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
756 ifneq ($(filter -lbfd,$(EXTLIBS)),)
757 CFLAGS += -DHAVE_LIBBFD_SUPPORT
761 ifeq ($(feature-zlib), 1)
762 CFLAGS += -DHAVE_ZLIB_SUPPORT
764 $(call detected,CONFIG_ZLIB)
771 ifeq ($(feature-lzma), 1)
772 CFLAGS += -DHAVE_LZMA_SUPPORT
774 $(call detected,CONFIG_LZMA)
776 msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
782 ifeq ($(feature-backtrace), 1)
783 CFLAGS += -DHAVE_BACKTRACE_SUPPORT
788 ifeq ($(feature-libnuma), 0)
789 msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
792 ifeq ($(feature-numa_num_possible_cpus), 0)
793 msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
796 CFLAGS += -DHAVE_LIBNUMA_SUPPORT
798 $(call detected,CONFIG_NUMA)
803 ifdef HAVE_KVM_STAT_SUPPORT
804 CFLAGS += -DHAVE_KVM_STAT_SUPPORT
807 ifeq (${IS_64_BIT}, 1)
808 ifndef NO_PERF_READ_VDSO32
809 $(call feature_check,compile-32)
810 ifeq ($(feature-compile-32), 1)
811 CFLAGS += -DHAVE_PERF_READ_VDSO32
813 NO_PERF_READ_VDSO32 := 1
816 ifneq ($(SRCARCH), x86)
817 NO_PERF_READ_VDSOX32 := 1
819 ifndef NO_PERF_READ_VDSOX32
820 $(call feature_check,compile-x32)
821 ifeq ($(feature-compile-x32), 1)
822 CFLAGS += -DHAVE_PERF_READ_VDSOX32
824 NO_PERF_READ_VDSOX32 := 1
828 NO_PERF_READ_VDSO32 := 1
829 NO_PERF_READ_VDSOX32 := 1
832 ifndef NO_LIBBABELTRACE
833 $(call feature_check,libbabeltrace)
834 ifeq ($(feature-libbabeltrace), 1)
835 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
836 LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
837 EXTLIBS += -lbabeltrace-ctf
838 $(call detected,CONFIG_LIBBABELTRACE)
840 msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
845 ifeq ($(SRCARCH),x86)
846 ifeq ($(feature-get_cpuid), 0)
847 msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
852 $(call detected,CONFIG_AUXTRACE)
853 CFLAGS += -DHAVE_AUXTRACE_SUPPORT
858 ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
859 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
861 ifneq (,$(wildcard /usr/sbin/alternatives))
862 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g')
866 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
872 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
873 $(call feature_check,jvmti)
874 ifeq ($(feature-jvmti), 1)
875 $(call detected_var,JDIR)
877 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel)
885 $(call feature_check,cxx)
886 ifneq ($(feature-cxx), 1)
887 msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
889 $(call feature_check,llvm)
890 $(call feature_check,llvm-version)
891 ifneq ($(feature-llvm), 1)
892 msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
894 $(call feature_check,clang)
895 ifneq ($(feature-clang), 1)
896 msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
898 CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
899 CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
900 $(call detected,CONFIG_CXX)
901 $(call detected,CONFIG_CLANGLLVM)
905 ifneq ($(feature-llvm-version),1)
906 msg := $(warning This version of LLVM is not tested. May cause build errors)
913 # Among the variables below, these:
921 # ETC_PERFCONFIG (but not sysconfdir)
922 # can be specified as a relative path some/where/else;
923 # this is interpreted as relative to $(prefix) and "perf" at
924 # runtime figures out where they are based on the path to the executable.
925 # This can help installing the suite in a relocatable way.
927 # Make the path relative to DESTDIR, not to prefix
931 bindir_relative = bin
932 bindir = $(abspath $(prefix)/$(bindir_relative))
935 perfexecdir = libexec/perf-core
936 perf_include_dir = lib/perf/include
937 perf_examples_dir = lib/perf/examples
938 sharedir = $(prefix)/share
939 template_dir = share/perf-core/templates
940 STRACE_GROUPS_DIR = share/perf-core/strace/groups
941 htmldir = share/doc/perf-doc
942 tipdir = share/doc/perf-tip
943 srcdir = $(srctree)/tools/perf
944 ifeq ($(prefix),/usr)
946 ETC_PERFCONFIG = $(sysconfdir)/perfconfig
948 sysconfdir = $(prefix)/etc
949 ETC_PERFCONFIG = etc/perfconfig
952 ifeq ($(SRCARCH)$(IS_64_BIT), x861)
958 libdir = $(prefix)/$(lib)
960 # Shell quote (do not use $(call) to accommodate ancient setups);
961 ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
962 STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
963 DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
964 bindir_SQ = $(subst ','\'',$(bindir))
965 mandir_SQ = $(subst ','\'',$(mandir))
966 infodir_SQ = $(subst ','\'',$(infodir))
967 perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
968 perf_include_dir_SQ = $(subst ','\'',$(perf_include_dir))
969 perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir))
970 template_dir_SQ = $(subst ','\'',$(template_dir))
971 htmldir_SQ = $(subst ','\'',$(htmldir))
972 tipdir_SQ = $(subst ','\'',$(tipdir))
973 prefix_SQ = $(subst ','\'',$(prefix))
974 sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
975 libdir_SQ = $(subst ','\'',$(libdir))
976 srcdir_SQ = $(subst ','\'',$(srcdir))
978 ifneq ($(filter /%,$(firstword $(perfexecdir))),)
979 perfexec_instdir = $(perfexecdir)
980 perf_include_instdir = $(perf_include_dir)
981 perf_examples_instdir = $(perf_examples_dir)
982 STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
983 tip_instdir = $(tipdir)
985 perfexec_instdir = $(prefix)/$(perfexecdir)
986 perf_include_instdir = $(prefix)/$(perf_include_dir)
987 perf_examples_instdir = $(prefix)/$(perf_examples_dir)
988 STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
989 tip_instdir = $(prefix)/$(tipdir)
991 perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
992 perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir))
993 perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir))
994 STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
995 tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
997 # If we install to $(HOME) we keep the traceevent default:
998 # $(HOME)/.traceevent/plugins
999 # Otherwise we install plugins into the global $(libdir).
1001 plugindir=$(libdir)/traceevent/plugins
1002 plugindir_SQ= $(subst ','\'',$(plugindir))
1005 print_var = $(eval $(print_var_code)) $(info $(MSG))
1006 define print_var_code
1007 MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
1011 # Display EXTRA features which are detected manualy
1012 # from here with feature_check call and thus cannot
1013 # be partof global state output.
1014 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),))
1015 $(call print_var,prefix)
1016 $(call print_var,bindir)
1017 $(call print_var,libdir)
1018 $(call print_var,sysconfdir)
1019 $(call print_var,LIBUNWIND_DIR)
1020 $(call print_var,LIBDW_DIR)
1021 $(call print_var,JDIR)
1023 ifeq ($(dwarf-post-unwind),1)
1024 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
1029 $(call detected_var,bindir_SQ)
1030 $(call detected_var,PYTHON_WORD)
1032 $(call detected_var,OUTPUT)
1034 $(call detected_var,htmldir_SQ)
1035 $(call detected_var,infodir_SQ)
1036 $(call detected_var,mandir_SQ)
1037 $(call detected_var,ETC_PERFCONFIG_SQ)
1038 $(call detected_var,STRACE_GROUPS_DIR_SQ)
1039 $(call detected_var,prefix_SQ)
1040 $(call detected_var,perfexecdir_SQ)
1041 $(call detected_var,perf_include_dir_SQ)
1042 $(call detected_var,perf_examples_dir_SQ)
1043 $(call detected_var,tipdir_SQ)
1044 $(call detected_var,srcdir_SQ)
1045 $(call detected_var,LIBDIR)
1046 $(call detected_var,GTK_CFLAGS)
1047 $(call detected_var,PERL_EMBED_CCOPTS)
1048 $(call detected_var,PYTHON_EMBED_CCOPTS)