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) $(LIBUNWIND_LIBS)
112 FEATURE_CHECK_LDFLAGS-libunwind-arm = -lunwind -lunwind-arm
113 FEATURE_CHECK_LDFLAGS-libunwind-aarch64 = -lunwind -lunwind-aarch64
114 FEATURE_CHECK_LDFLAGS-libunwind-x86 = -lunwind -llzma -lunwind-x86
115 FEATURE_CHECK_LDFLAGS-libunwind-x86_64 = -lunwind -llzma -lunwind-x86_64
117 FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto
120 LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)
122 OPENCSDLIBS := -lopencsd_c_api -lopencsd
124 LIBOPENCSD_LDFLAGS := -L$(CSLIBS)
126 FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS)
127 FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS)
129 ifeq ($(NO_PERF_REGS),0)
130 CFLAGS += -DHAVE_PERF_REGS_SUPPORT
133 # for linking with debug library, run like:
134 # make DEBUG=1 LIBDW_DIR=/opt/libdw/
136 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include
137 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
140 ifeq ($(findstring -static,${LDFLAGS}),-static)
141 DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2
143 FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
144 FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS)
146 # for linking with debug library, run like:
147 # make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
148 ifdef LIBBABELTRACE_DIR
149 LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include
150 LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
152 FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
153 FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
155 FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi
156 # include ARCH specific config
157 -include $(src-perf)/arch/$(SRCARCH)/Makefile
159 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
160 CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
163 include $(srctree)/tools/scripts/utilities.mak
165 ifeq ($(call get-executable,$(FLEX)),)
166 dummy := $(error Error: $(FLEX) is missing on this system, please install it)
169 ifeq ($(call get-executable,$(BISON)),)
170 dummy := $(error Error: $(BISON) is missing on this system, please install it)
173 # Treat warnings as errors unless directed not to
184 ifeq ($(CC_NO_CLANG), 0)
192 PARSER_DEBUG_BISON := -t
193 PARSER_DEBUG_FLEX := -d
194 CFLAGS += -DPARSER_DEBUG
195 $(call detected_var,PARSER_DEBUG_BISON)
196 $(call detected_var,PARSER_DEBUG_FLEX)
199 # Try different combinations to accommodate systems that only have
200 # python[2][-config] in weird combinations but always preferring
201 # python2 and python2-config as per pep-0394. If we catch a
202 # python[-config] in version 3, the version check will kill it.
203 PYTHON2 := $(if $(call get-executable,python2),python2,python)
204 override PYTHON := $(call get-executable-or-default,PYTHON,$(PYTHON2))
206 $(if $(call get-executable,$(PYTHON)-config),$(PYTHON)-config,python-config)
207 override PYTHON_CONFIG := \
208 $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON2_CONFIG))
210 grep-libs = $(filter -l%,$(1))
211 strip-libs = $(filter-out -l%,$(1))
213 PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
216 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
217 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
218 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
219 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null)
220 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
223 FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
224 FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
225 FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
226 FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
228 FEATURE_CHECK_LDFLAGS-libaio = -lrt
230 FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes -ldl
232 CFLAGS += -fno-omit-frame-pointer
234 CFLAGS += -funwind-tables
239 CXXFLAGS += -std=gnu++11 -fno-exceptions -fno-rtti
241 CXXFLAGS += -fno-omit-frame-pointer
243 CXXFLAGS += -funwind-tables
244 CXXFLAGS += -Wno-strict-aliasing
246 # Enforce a non-executable stack, as we may regress (again) in the future by
247 # adding assembler files missing the .GNU-stack linker note.
248 LDFLAGS += -Wl,-z,noexecstack
250 EXTLIBS = -lpthread -lrt -lm -ldl
252 ifeq ($(FEATURES_DUMP),)
253 include $(srctree)/tools/build/Makefile.feature
255 include $(FEATURES_DUMP)
258 ifeq ($(feature-stackprotector-all), 1)
259 CFLAGS += -fstack-protector-all
263 ifeq ($(feature-fortify-source), 1)
264 CFLAGS += -D_FORTIFY_SOURCE=2
268 INC_FLAGS += -I$(src-perf)/util/include
269 INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
270 INC_FLAGS += -I$(srctree)/tools/include/uapi
271 INC_FLAGS += -I$(srctree)/tools/include/
272 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
273 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
274 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
276 # $(obj-perf) for generated common-cmds.h
277 # $(obj-perf)/util for generated bison/flex headers
279 INC_FLAGS += -I$(obj-perf)/util
280 INC_FLAGS += -I$(obj-perf)
283 INC_FLAGS += -I$(src-perf)/util
284 INC_FLAGS += -I$(src-perf)
285 INC_FLAGS += -I$(srctree)/tools/lib/
287 CFLAGS += $(INC_FLAGS)
288 CXXFLAGS += $(INC_FLAGS)
290 CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
292 ifeq ($(feature-sync-compare-and-swap), 1)
293 CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
296 ifeq ($(feature-pthread-attr-setaffinity-np), 1)
297 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
300 ifeq ($(feature-pthread-barrier), 1)
301 CFLAGS += -DHAVE_PTHREAD_BARRIER
305 $(call feature_check,bionic)
306 ifeq ($(feature-bionic), 1)
308 CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE
309 CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE
310 EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
311 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
315 ifeq ($(feature-eventfd), 1)
316 CFLAGS += -DHAVE_EVENTFD
319 ifeq ($(feature-get_current_dir_name), 1)
320 CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME
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
381 ifeq ($(feature-libaio), 1)
383 CFLAGS += -DHAVE_AIO_SUPPORT
388 NO_LIBDW_DWARF_UNWIND := 1
391 ifeq ($(feature-sched_getcpu), 1)
392 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
395 ifeq ($(feature-setns), 1)
396 CFLAGS += -DHAVE_SETNS_SUPPORT
397 $(call detected,CONFIG_SETNS)
401 $(call feature_check,libopencsd)
402 ifeq ($(feature-libopencsd), 1)
403 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
404 LDFLAGS += $(LIBOPENCSD_LDFLAGS)
405 EXTLIBS += $(OPENCSDLIBS)
406 $(call detected,CONFIG_LIBOPENCSD)
408 CFLAGS += -DCS_DEBUG_RAW
409 ifeq (${CSTRACE_RAW}, packed)
410 CFLAGS += -DCS_RAW_PACKED
417 CFLAGS += -DHAVE_LIBELF_SUPPORT
419 $(call detected,CONFIG_LIBELF)
421 ifeq ($(feature-libelf-mmap), 1)
422 CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
425 ifeq ($(feature-libelf-getphdrnum), 1)
426 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
429 ifeq ($(feature-libelf-gelf_getnote), 1)
430 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
432 msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
435 ifeq ($(feature-libelf-getshdrstrndx), 1)
436 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
440 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
441 msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
444 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
445 LDFLAGS += $(LIBDW_LDFLAGS)
446 EXTLIBS += ${DWARFLIBS}
447 $(call detected,CONFIG_DWARF)
448 endif # PERF_HAVE_DWARF_REGS
452 ifeq ($(feature-bpf), 1)
453 CFLAGS += -DHAVE_LIBBPF_SUPPORT
454 $(call detected,CONFIG_LIBBPF)
458 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
459 CFLAGS += -DHAVE_BPF_PROLOGUE
460 $(call detected,CONFIG_BPF_PROLOGUE)
462 msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset());
465 msg := $(warning DWARF support is off, BPF prologue is disabled);
472 ifneq ($(feature-sdt), 1)
473 msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
476 CFLAGS += -DHAVE_SDT_EVENT
477 $(call detected,CONFIG_SDT_EVENT)
481 ifdef PERF_HAVE_JITDUMP
483 $(call detected,CONFIG_JITDUMP)
484 CFLAGS += -DHAVE_JITDUMP
488 ifeq ($(SRCARCH),powerpc)
490 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
497 $(call feature_check,libunwind-x86)
498 ifeq ($(feature-libunwind-x86), 1)
499 $(call detected,CONFIG_LIBUNWIND_X86)
500 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
501 LDFLAGS += -lunwind-x86
502 EXTLIBS_LIBUNWIND += -lunwind-x86
506 $(call feature_check,libunwind-aarch64)
507 ifeq ($(feature-libunwind-aarch64), 1)
508 $(call detected,CONFIG_LIBUNWIND_AARCH64)
509 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
510 LDFLAGS += -lunwind-aarch64
511 EXTLIBS_LIBUNWIND += -lunwind-aarch64
513 $(call feature_check,libunwind-debug-frame-aarch64)
514 ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
515 msg := $(warning No debug_frame support found in libunwind-aarch64);
516 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
520 ifneq ($(feature-libunwind), 1)
521 msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
522 NO_LOCAL_LIBUNWIND := 1
525 $(call detected,CONFIG_LOCAL_LIBUNWIND)
528 ifneq ($(have_libunwind), 1)
532 NO_LOCAL_LIBUNWIND := 1
536 ifneq ($(feature-bpf), 1)
537 msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
542 dwarf-post-unwind := 1
543 dwarf-post-unwind-text := BUG
545 # setup DWARF post unwinder
547 ifdef NO_LIBDW_DWARF_UNWIND
548 msg := $(warning Disabling post unwind, no support found.);
549 dwarf-post-unwind := 0
551 dwarf-post-unwind-text := libdw
552 $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
555 dwarf-post-unwind-text := libunwind
556 $(call detected,CONFIG_LIBUNWIND)
557 # Enable libunwind support by default.
558 ifndef NO_LIBDW_DWARF_UNWIND
559 NO_LIBDW_DWARF_UNWIND := 1
563 ifeq ($(dwarf-post-unwind),1)
564 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
565 $(call detected,CONFIG_DWARF_UNWIND)
570 ifndef NO_LOCAL_LIBUNWIND
571 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
572 $(call feature_check,libunwind-debug-frame)
573 ifneq ($(feature-libunwind-debug-frame), 1)
574 msg := $(warning No debug_frame support found in libunwind);
575 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
578 # non-ARM has no dwarf_find_debug_frame() function:
579 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
581 EXTLIBS += $(LIBUNWIND_LIBS)
582 LDFLAGS += $(LIBUNWIND_LIBS)
584 ifeq ($(findstring -static,${LDFLAGS}),-static)
585 # gcc -static links libgcc_eh which contans piece of libunwind
586 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
590 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
591 CFLAGS += $(LIBUNWIND_CFLAGS)
592 LDFLAGS += $(LIBUNWIND_LDFLAGS)
593 EXTLIBS += $(EXTLIBS_LIBUNWIND)
596 ifeq ($(NO_SYSCALL_TABLE),0)
597 $(call detected,CONFIG_TRACE)
600 ifneq ($(feature-libaudit), 1)
601 msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
604 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
606 $(call detected,CONFIG_TRACE)
612 ifneq ($(feature-libcrypto), 1)
613 msg := $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev);
616 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
618 $(call detected,CONFIG_CRYPTO)
627 ifneq ($(feature-libslang), 1)
628 msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
631 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
632 CFLAGS += -I/usr/include/slang
633 CFLAGS += -DHAVE_SLANG_SUPPORT
635 $(call detected,CONFIG_SLANG)
640 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
641 ifneq ($(feature-gtk2), 1)
642 msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
645 ifeq ($(feature-gtk2-infobar), 1)
646 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
648 CFLAGS += -DHAVE_GTK2_SUPPORT
649 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
650 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
656 CFLAGS += -DNO_LIBPERL
658 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
659 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
660 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
661 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
662 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
663 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
664 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
666 ifneq ($(feature-libperl), 1)
667 CFLAGS += -DNO_LIBPERL
669 msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
671 LDFLAGS += $(PERL_EMBED_LDFLAGS)
672 EXTLIBS += $(PERL_EMBED_LIBADD)
673 CFLAGS += -DHAVE_LIBPERL_SUPPORT
674 $(call detected,CONFIG_LIBPERL)
678 ifeq ($(feature-timerfd), 1)
679 CFLAGS += -DHAVE_TIMERFD_SUPPORT
681 msg := $(warning No timerfd support. Disables 'perf kvm stat live');
684 disable-python = $(eval $(disable-python_code))
685 define disable-python_code
686 CFLAGS += -DNO_LIBPYTHON
692 $(call disable-python,Python support disabled by user)
696 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
698 PYTHON_WORD := $(call shell-wordify,$(PYTHON))
701 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
704 ifneq ($(feature-libpython), 1)
705 $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
707 LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
708 EXTLIBS += $(PYTHON_EMBED_LIBADD)
709 LANG_BINDINGS += $(obj-perf)python/perf.so
710 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
711 $(call detected,CONFIG_LIBPYTHON)
717 ifeq ($(feature-libbfd), 1)
718 EXTLIBS += -lbfd -lopcodes
720 # we are on a system that requires -liberty and (maybe) -lz
721 # to link against -lbfd; test each case individually here
723 # call all detections now so we get correct
724 # status in VF output
725 $(call feature_check,libbfd-liberty)
726 $(call feature_check,libbfd-liberty-z)
728 ifeq ($(feature-libbfd-liberty), 1)
729 EXTLIBS += -lbfd -lopcodes -liberty
730 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl
732 ifeq ($(feature-libbfd-liberty-z), 1)
733 EXTLIBS += -lbfd -lopcodes -liberty -lz
734 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl
737 $(call feature_check,disassembler-four-args)
741 CFLAGS += -DNO_DEMANGLE
743 ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
746 ifeq ($(filter -liberty,$(EXTLIBS)),)
747 $(call feature_check,cplus-demangle)
749 # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
750 # or any of 'bfd iberty z' trinity
751 ifeq ($(feature-cplus-demangle), 1)
754 msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
755 CFLAGS += -DNO_DEMANGLE
760 ifneq ($(filter -liberty,$(EXTLIBS)),)
761 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
765 ifneq ($(filter -lbfd,$(EXTLIBS)),)
766 CFLAGS += -DHAVE_LIBBFD_SUPPORT
770 ifeq ($(feature-zlib), 1)
771 CFLAGS += -DHAVE_ZLIB_SUPPORT
773 $(call detected,CONFIG_ZLIB)
780 ifeq ($(feature-lzma), 1)
781 CFLAGS += -DHAVE_LZMA_SUPPORT
783 $(call detected,CONFIG_LZMA)
785 msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
791 ifeq ($(feature-backtrace), 1)
792 CFLAGS += -DHAVE_BACKTRACE_SUPPORT
797 ifeq ($(feature-libnuma), 0)
798 msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
801 ifeq ($(feature-numa_num_possible_cpus), 0)
802 msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
805 CFLAGS += -DHAVE_LIBNUMA_SUPPORT
807 $(call detected,CONFIG_NUMA)
812 ifdef HAVE_KVM_STAT_SUPPORT
813 CFLAGS += -DHAVE_KVM_STAT_SUPPORT
816 ifeq ($(feature-disassembler-four-args), 1)
817 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
820 ifeq (${IS_64_BIT}, 1)
821 ifndef NO_PERF_READ_VDSO32
822 $(call feature_check,compile-32)
823 ifeq ($(feature-compile-32), 1)
824 CFLAGS += -DHAVE_PERF_READ_VDSO32
826 NO_PERF_READ_VDSO32 := 1
829 ifneq ($(SRCARCH), x86)
830 NO_PERF_READ_VDSOX32 := 1
832 ifndef NO_PERF_READ_VDSOX32
833 $(call feature_check,compile-x32)
834 ifeq ($(feature-compile-x32), 1)
835 CFLAGS += -DHAVE_PERF_READ_VDSOX32
837 NO_PERF_READ_VDSOX32 := 1
841 NO_PERF_READ_VDSO32 := 1
842 NO_PERF_READ_VDSOX32 := 1
845 ifndef NO_LIBBABELTRACE
846 $(call feature_check,libbabeltrace)
847 ifeq ($(feature-libbabeltrace), 1)
848 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
849 LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
850 EXTLIBS += -lbabeltrace-ctf
851 $(call detected,CONFIG_LIBBABELTRACE)
853 msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
858 ifeq ($(SRCARCH),x86)
859 ifeq ($(feature-get_cpuid), 0)
860 msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
865 $(call detected,CONFIG_AUXTRACE)
866 CFLAGS += -DHAVE_AUXTRACE_SUPPORT
871 ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
872 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
874 ifneq (,$(wildcard /usr/sbin/alternatives))
875 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed 's%/jre/bin/java.%%g')
879 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
885 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
886 $(call feature_check,jvmti)
887 ifeq ($(feature-jvmti), 1)
888 $(call detected_var,JDIR)
890 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti)
891 $(call feature_check,jvmti-cmlr)
892 ifeq ($(feature-jvmti-cmlr), 1)
893 CFLAGS += -DHAVE_JVMTI_CMLR
895 endif # NO_JVMTI_CMLR
897 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel)
905 $(call feature_check,cxx)
906 ifneq ($(feature-cxx), 1)
907 msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
909 $(call feature_check,llvm)
910 $(call feature_check,llvm-version)
911 ifneq ($(feature-llvm), 1)
912 msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
914 $(call feature_check,clang)
915 ifneq ($(feature-clang), 1)
916 msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
918 CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
919 CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
920 $(call detected,CONFIG_CXX)
921 $(call detected,CONFIG_CLANGLLVM)
925 ifneq ($(feature-llvm-version),1)
926 msg := $(warning This version of LLVM is not tested. May cause build errors)
933 # Among the variables below, these:
941 # ETC_PERFCONFIG (but not sysconfdir)
942 # can be specified as a relative path some/where/else;
943 # this is interpreted as relative to $(prefix) and "perf" at
944 # runtime figures out where they are based on the path to the executable.
945 # This can help installing the suite in a relocatable way.
947 # Make the path relative to DESTDIR, not to prefix
951 bindir_relative = bin
952 bindir = $(abspath $(prefix)/$(bindir_relative))
955 perfexecdir = libexec/perf-core
956 perf_include_dir = lib/perf/include
957 perf_examples_dir = lib/perf/examples
958 sharedir = $(prefix)/share
959 template_dir = share/perf-core/templates
960 STRACE_GROUPS_DIR = share/perf-core/strace/groups
961 htmldir = share/doc/perf-doc
962 tipdir = share/doc/perf-tip
963 srcdir = $(srctree)/tools/perf
964 ifeq ($(prefix),/usr)
966 ETC_PERFCONFIG = $(sysconfdir)/perfconfig
968 sysconfdir = $(prefix)/etc
969 ETC_PERFCONFIG = etc/perfconfig
972 ifeq ($(SRCARCH)$(IS_64_BIT), x861)
978 libdir = $(prefix)/$(lib)
980 # Shell quote (do not use $(call) to accommodate ancient setups);
981 ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
982 STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
983 DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
984 bindir_SQ = $(subst ','\'',$(bindir))
985 mandir_SQ = $(subst ','\'',$(mandir))
986 infodir_SQ = $(subst ','\'',$(infodir))
987 perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
988 perf_include_dir_SQ = $(subst ','\'',$(perf_include_dir))
989 perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir))
990 template_dir_SQ = $(subst ','\'',$(template_dir))
991 htmldir_SQ = $(subst ','\'',$(htmldir))
992 tipdir_SQ = $(subst ','\'',$(tipdir))
993 prefix_SQ = $(subst ','\'',$(prefix))
994 sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
995 libdir_SQ = $(subst ','\'',$(libdir))
996 srcdir_SQ = $(subst ','\'',$(srcdir))
998 ifneq ($(filter /%,$(firstword $(perfexecdir))),)
999 perfexec_instdir = $(perfexecdir)
1000 perf_include_instdir = $(perf_include_dir)
1001 perf_examples_instdir = $(perf_examples_dir)
1002 STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
1003 tip_instdir = $(tipdir)
1005 perfexec_instdir = $(prefix)/$(perfexecdir)
1006 perf_include_instdir = $(prefix)/$(perf_include_dir)
1007 perf_examples_instdir = $(prefix)/$(perf_examples_dir)
1008 STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
1009 tip_instdir = $(prefix)/$(tipdir)
1011 perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
1012 perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir))
1013 perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir))
1014 STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
1015 tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
1017 # If we install to $(HOME) we keep the traceevent default:
1018 # $(HOME)/.traceevent/plugins
1019 # Otherwise we install plugins into the global $(libdir).
1021 plugindir=$(libdir)/traceevent/plugins
1022 plugindir_SQ= $(subst ','\'',$(plugindir))
1025 print_var = $(eval $(print_var_code)) $(info $(MSG))
1026 define print_var_code
1027 MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
1031 # Display EXTRA features which are detected manualy
1032 # from here with feature_check call and thus cannot
1033 # be partof global state output.
1034 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),))
1035 $(call print_var,prefix)
1036 $(call print_var,bindir)
1037 $(call print_var,libdir)
1038 $(call print_var,sysconfdir)
1039 $(call print_var,LIBUNWIND_DIR)
1040 $(call print_var,LIBDW_DIR)
1041 $(call print_var,JDIR)
1043 ifeq ($(dwarf-post-unwind),1)
1044 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
1049 $(call detected_var,bindir_SQ)
1050 $(call detected_var,PYTHON_WORD)
1052 $(call detected_var,OUTPUT)
1054 $(call detected_var,htmldir_SQ)
1055 $(call detected_var,infodir_SQ)
1056 $(call detected_var,mandir_SQ)
1057 $(call detected_var,ETC_PERFCONFIG_SQ)
1058 $(call detected_var,STRACE_GROUPS_DIR_SQ)
1059 $(call detected_var,prefix_SQ)
1060 $(call detected_var,perfexecdir_SQ)
1061 $(call detected_var,perf_include_dir_SQ)
1062 $(call detected_var,perf_examples_dir_SQ)
1063 $(call detected_var,tipdir_SQ)
1064 $(call detected_var,srcdir_SQ)
1065 $(call detected_var,LIBDIR)
1066 $(call detected_var,GTK_CFLAGS)
1067 $(call detected_var,PERL_EMBED_CCOPTS)
1068 $(call detected_var,PYTHON_EMBED_CCOPTS)