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)
57 LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
63 CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated
66 ifeq ($(NO_PERF_REGS),0)
67 $(call detected,CONFIG_PERF_REGS)
70 ifneq ($(NO_SYSCALL_TABLE),1)
71 CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT
74 # So far there's only x86 and arm libdw unwind support merged in perf.
75 # Disable it on all other architectures in case libdw unwind
76 # support is detected in system. Add supported architectures
78 ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390))
79 NO_LIBDW_DWARF_UNWIND := 1
82 ifeq ($(LIBUNWIND_LIBS),)
86 # For linking with debug library, run like:
88 # make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
91 libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
92 define libunwind_arch_set_flags_code
93 FEATURE_CHECK_CFLAGS-libunwind-$(1) = -I$(LIBUNWIND_DIR)/include
94 FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
98 LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include
99 LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
100 LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64
101 $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
104 # Set per-feature check compilation flags
105 FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
106 FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
107 FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
108 FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
111 LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)
113 OPENCSDLIBS := -lopencsd_c_api -lopencsd
115 LIBOPENCSD_LDFLAGS := -L$(CSLIBS)
117 FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS)
118 FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS)
120 ifeq ($(NO_PERF_REGS),0)
121 CFLAGS += -DHAVE_PERF_REGS_SUPPORT
124 # for linking with debug library, run like:
125 # make DEBUG=1 LIBDW_DIR=/opt/libdw/
127 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include
128 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
131 ifeq ($(findstring -static,${LDFLAGS}),-static)
132 DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2
134 FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
135 FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS)
137 # for linking with debug library, run like:
138 # make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
139 ifdef LIBBABELTRACE_DIR
140 LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include
141 LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
143 FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
144 FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
146 FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi
147 # include ARCH specific config
148 -include $(src-perf)/arch/$(SRCARCH)/Makefile
150 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
151 CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
154 include $(srctree)/tools/scripts/utilities.mak
156 ifeq ($(call get-executable,$(FLEX)),)
157 dummy := $(error Error: $(FLEX) is missing on this system, please install it)
160 ifeq ($(call get-executable,$(BISON)),)
161 dummy := $(error Error: $(BISON) is missing on this system, please install it)
164 # Treat warnings as errors unless directed not to
175 ifeq ($(CC_NO_CLANG), 0)
183 PARSER_DEBUG_BISON := -t
184 PARSER_DEBUG_FLEX := -d
185 CFLAGS += -DPARSER_DEBUG
186 $(call detected_var,PARSER_DEBUG_BISON)
187 $(call detected_var,PARSER_DEBUG_FLEX)
190 # Try different combinations to accommodate systems that only have
191 # python[2][-config] in weird combinations but always preferring
192 # python2 and python2-config as per pep-0394. If we catch a
193 # python[-config] in version 3, the version check will kill it.
194 PYTHON2 := $(if $(call get-executable,python2),python2,python)
195 override PYTHON := $(call get-executable-or-default,PYTHON,$(PYTHON2))
197 $(if $(call get-executable,$(PYTHON)-config),$(PYTHON)-config,python-config)
198 override PYTHON_CONFIG := \
199 $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON2_CONFIG))
201 grep-libs = $(filter -l%,$(1))
202 strip-libs = $(filter-out -l%,$(1))
204 PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
207 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
208 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
209 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
210 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null)
211 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
214 FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
215 FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
216 FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
217 FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
219 CFLAGS += -fno-omit-frame-pointer
221 CFLAGS += -funwind-tables
226 CXXFLAGS += -std=gnu++11 -fno-exceptions -fno-rtti
228 CXXFLAGS += -fno-omit-frame-pointer
230 CXXFLAGS += -funwind-tables
231 CXXFLAGS += -Wno-strict-aliasing
233 # Enforce a non-executable stack, as we may regress (again) in the future by
234 # adding assembler files missing the .GNU-stack linker note.
235 LDFLAGS += -Wl,-z,noexecstack
237 EXTLIBS = -lpthread -lrt -lm -ldl
239 ifeq ($(FEATURES_DUMP),)
240 include $(srctree)/tools/build/Makefile.feature
242 include $(FEATURES_DUMP)
245 ifeq ($(feature-stackprotector-all), 1)
246 CFLAGS += -fstack-protector-all
250 ifeq ($(feature-fortify-source), 1)
251 CFLAGS += -D_FORTIFY_SOURCE=2
255 INC_FLAGS += -I$(src-perf)/util/include
256 INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
257 INC_FLAGS += -I$(srctree)/tools/include/uapi
258 INC_FLAGS += -I$(srctree)/tools/include/
259 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
260 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
261 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
263 # $(obj-perf) for generated common-cmds.h
264 # $(obj-perf)/util for generated bison/flex headers
266 INC_FLAGS += -I$(obj-perf)/util
267 INC_FLAGS += -I$(obj-perf)
270 INC_FLAGS += -I$(src-perf)/util
271 INC_FLAGS += -I$(src-perf)
272 INC_FLAGS += -I$(srctree)/tools/lib/
274 CFLAGS += $(INC_FLAGS)
275 CXXFLAGS += $(INC_FLAGS)
277 CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
279 ifeq ($(feature-sync-compare-and-swap), 1)
280 CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
283 ifeq ($(feature-pthread-attr-setaffinity-np), 1)
284 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
287 ifeq ($(feature-pthread-barrier), 1)
288 CFLAGS += -DHAVE_PTHREAD_BARRIER
292 $(call feature_check,bionic)
293 ifeq ($(feature-bionic), 1)
295 EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
296 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
304 NO_LIBDW_DWARF_UNWIND := 1
308 ifeq ($(feature-libelf), 0)
309 ifeq ($(feature-glibc), 1)
315 ifeq ($(LIBC_SUPPORT),1)
316 msg := $(warning No libelf found. Disables 'probe' tool, jvmti and BPF support in 'perf record'. Please install libelf-dev, libelf-devel or elfutils-libelf-devel);
322 NO_LIBDW_DWARF_UNWIND := 1
326 ifneq ($(filter s% -static%,$(LDFLAGS),),)
327 msg := $(error No static glibc found, please install glibc-static);
329 msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
333 ifndef NO_LIBDW_DWARF_UNWIND
334 ifneq ($(feature-libdw-dwarf-unwind),1)
335 NO_LIBDW_DWARF_UNWIND := 1
336 msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
339 ifneq ($(feature-dwarf), 1)
341 msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
345 ifneq ($(feature-dwarf_getlocations), 1)
346 msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
348 CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT
349 endif # dwarf_getlocations
350 endif # Dwarf support
351 endif # libelf support
354 ifeq ($(feature-glibc), 1)
355 CFLAGS += -DHAVE_GLIBC_SUPPORT
359 NO_LIBDW_DWARF_UNWIND := 1
362 ifeq ($(feature-sched_getcpu), 1)
363 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
366 ifeq ($(feature-setns), 1)
367 CFLAGS += -DHAVE_SETNS_SUPPORT
368 $(call detected,CONFIG_SETNS)
372 ifeq ($(feature-libopencsd), 1)
373 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
374 LDFLAGS += $(LIBOPENCSD_LDFLAGS)
375 EXTLIBS += $(OPENCSDLIBS)
376 $(call detected,CONFIG_LIBOPENCSD)
378 CFLAGS += -DCS_DEBUG_RAW
379 ifeq (${CSTRACE_RAW}, packed)
380 CFLAGS += -DCS_RAW_PACKED
387 CFLAGS += -DHAVE_LIBELF_SUPPORT
389 $(call detected,CONFIG_LIBELF)
391 ifeq ($(feature-libelf-mmap), 1)
392 CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
395 ifeq ($(feature-libelf-getphdrnum), 1)
396 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
399 ifeq ($(feature-libelf-gelf_getnote), 1)
400 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
402 msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
405 ifeq ($(feature-libelf-getshdrstrndx), 1)
406 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
410 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
411 msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
414 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
415 LDFLAGS += $(LIBDW_LDFLAGS)
416 EXTLIBS += ${DWARFLIBS}
417 $(call detected,CONFIG_DWARF)
418 endif # PERF_HAVE_DWARF_REGS
422 ifeq ($(feature-bpf), 1)
423 CFLAGS += -DHAVE_LIBBPF_SUPPORT
424 $(call detected,CONFIG_LIBBPF)
428 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
429 CFLAGS += -DHAVE_BPF_PROLOGUE
430 $(call detected,CONFIG_BPF_PROLOGUE)
432 msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset());
435 msg := $(warning DWARF support is off, BPF prologue is disabled);
442 ifneq ($(feature-sdt), 1)
443 msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
446 CFLAGS += -DHAVE_SDT_EVENT
447 $(call detected,CONFIG_SDT_EVENT)
451 ifdef PERF_HAVE_JITDUMP
453 $(call detected,CONFIG_JITDUMP)
454 CFLAGS += -DHAVE_JITDUMP
458 ifeq ($(SRCARCH),powerpc)
460 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
467 ifeq ($(feature-libunwind-x86), 1)
468 $(call detected,CONFIG_LIBUNWIND_X86)
469 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
470 LDFLAGS += -lunwind-x86
471 EXTLIBS_LIBUNWIND += -lunwind-x86
475 ifeq ($(feature-libunwind-aarch64), 1)
476 $(call detected,CONFIG_LIBUNWIND_AARCH64)
477 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
478 LDFLAGS += -lunwind-aarch64
479 EXTLIBS_LIBUNWIND += -lunwind-aarch64
481 $(call feature_check,libunwind-debug-frame-aarch64)
482 ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
483 msg := $(warning No debug_frame support found in libunwind-aarch64);
484 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
488 ifneq ($(feature-libunwind), 1)
489 msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
490 NO_LOCAL_LIBUNWIND := 1
493 $(call detected,CONFIG_LOCAL_LIBUNWIND)
496 ifneq ($(have_libunwind), 1)
500 NO_LOCAL_LIBUNWIND := 1
504 ifneq ($(feature-bpf), 1)
505 msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
510 dwarf-post-unwind := 1
511 dwarf-post-unwind-text := BUG
513 # setup DWARF post unwinder
515 ifdef NO_LIBDW_DWARF_UNWIND
516 msg := $(warning Disabling post unwind, no support found.);
517 dwarf-post-unwind := 0
519 dwarf-post-unwind-text := libdw
520 $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
523 dwarf-post-unwind-text := libunwind
524 $(call detected,CONFIG_LIBUNWIND)
525 # Enable libunwind support by default.
526 ifndef NO_LIBDW_DWARF_UNWIND
527 NO_LIBDW_DWARF_UNWIND := 1
531 ifeq ($(dwarf-post-unwind),1)
532 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
533 $(call detected,CONFIG_DWARF_UNWIND)
538 ifndef NO_LOCAL_LIBUNWIND
539 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
540 $(call feature_check,libunwind-debug-frame)
541 ifneq ($(feature-libunwind-debug-frame), 1)
542 msg := $(warning No debug_frame support found in libunwind);
543 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
546 # non-ARM has no dwarf_find_debug_frame() function:
547 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
549 EXTLIBS += $(LIBUNWIND_LIBS)
550 LDFLAGS += $(LIBUNWIND_LIBS)
552 ifeq ($(findstring -static,${LDFLAGS}),-static)
553 # gcc -static links libgcc_eh which contans piece of libunwind
554 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
558 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
559 CFLAGS += $(LIBUNWIND_CFLAGS)
560 LDFLAGS += $(LIBUNWIND_LDFLAGS)
561 EXTLIBS += $(EXTLIBS_LIBUNWIND)
564 ifeq ($(NO_SYSCALL_TABLE),0)
565 $(call detected,CONFIG_TRACE)
568 ifneq ($(feature-libaudit), 1)
569 msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
572 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
574 $(call detected,CONFIG_TRACE)
580 ifneq ($(feature-libcrypto), 1)
581 msg := $(warning No libcrypto.h found, disables jitted code injection, please install libssl-devel or libssl-dev);
584 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
586 $(call detected,CONFIG_CRYPTO)
595 ifneq ($(feature-libslang), 1)
596 msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
599 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
600 CFLAGS += -I/usr/include/slang
601 CFLAGS += -DHAVE_SLANG_SUPPORT
603 $(call detected,CONFIG_SLANG)
608 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
609 ifneq ($(feature-gtk2), 1)
610 msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
613 ifeq ($(feature-gtk2-infobar), 1)
614 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
616 CFLAGS += -DHAVE_GTK2_SUPPORT
617 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
618 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
624 CFLAGS += -DNO_LIBPERL
626 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
627 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
628 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
629 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
630 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
631 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
632 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
634 ifneq ($(feature-libperl), 1)
635 CFLAGS += -DNO_LIBPERL
637 msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
639 LDFLAGS += $(PERL_EMBED_LDFLAGS)
640 EXTLIBS += $(PERL_EMBED_LIBADD)
641 CFLAGS += -DHAVE_LIBPERL_SUPPORT
642 $(call detected,CONFIG_LIBPERL)
646 ifeq ($(feature-timerfd), 1)
647 CFLAGS += -DHAVE_TIMERFD_SUPPORT
649 msg := $(warning No timerfd support. Disables 'perf kvm stat live');
652 disable-python = $(eval $(disable-python_code))
653 define disable-python_code
654 CFLAGS += -DNO_LIBPYTHON
660 $(call disable-python,Python support disabled by user)
664 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
666 PYTHON_WORD := $(call shell-wordify,$(PYTHON))
669 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
672 ifneq ($(feature-libpython), 1)
673 $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
675 LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
676 EXTLIBS += $(PYTHON_EMBED_LIBADD)
677 LANG_BINDINGS += $(obj-perf)python/perf.so
678 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
679 $(call detected,CONFIG_LIBPYTHON)
685 ifeq ($(feature-libbfd), 1)
688 # call all detections now so we get correct
689 # status in VF output
690 $(call feature_check,liberty)
691 $(call feature_check,liberty-z)
692 $(call feature_check,cplus-demangle)
694 ifeq ($(feature-liberty), 1)
697 ifeq ($(feature-liberty-z), 1)
698 EXTLIBS += -liberty -lz
704 CFLAGS += -DNO_DEMANGLE
706 ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
708 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
710 ifneq ($(feature-libbfd), 1)
711 ifneq ($(feature-liberty), 1)
712 ifneq ($(feature-liberty-z), 1)
713 # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
714 # or any of 'bfd iberty z' trinity
715 ifeq ($(feature-cplus-demangle), 1)
717 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
719 msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
720 CFLAGS += -DNO_DEMANGLE
728 ifneq ($(filter -lbfd,$(EXTLIBS)),)
729 CFLAGS += -DHAVE_LIBBFD_SUPPORT
733 ifeq ($(feature-zlib), 1)
734 CFLAGS += -DHAVE_ZLIB_SUPPORT
736 $(call detected,CONFIG_ZLIB)
743 ifeq ($(feature-lzma), 1)
744 CFLAGS += -DHAVE_LZMA_SUPPORT
746 $(call detected,CONFIG_LZMA)
748 msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
754 ifeq ($(feature-backtrace), 1)
755 CFLAGS += -DHAVE_BACKTRACE_SUPPORT
760 ifeq ($(feature-libnuma), 0)
761 msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
764 ifeq ($(feature-numa_num_possible_cpus), 0)
765 msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
768 CFLAGS += -DHAVE_LIBNUMA_SUPPORT
770 $(call detected,CONFIG_NUMA)
775 ifdef HAVE_KVM_STAT_SUPPORT
776 CFLAGS += -DHAVE_KVM_STAT_SUPPORT
779 ifeq (${IS_64_BIT}, 1)
780 ifndef NO_PERF_READ_VDSO32
781 $(call feature_check,compile-32)
782 ifeq ($(feature-compile-32), 1)
783 CFLAGS += -DHAVE_PERF_READ_VDSO32
785 NO_PERF_READ_VDSO32 := 1
788 ifneq ($(SRCARCH), x86)
789 NO_PERF_READ_VDSOX32 := 1
791 ifndef NO_PERF_READ_VDSOX32
792 $(call feature_check,compile-x32)
793 ifeq ($(feature-compile-x32), 1)
794 CFLAGS += -DHAVE_PERF_READ_VDSOX32
796 NO_PERF_READ_VDSOX32 := 1
800 NO_PERF_READ_VDSO32 := 1
801 NO_PERF_READ_VDSOX32 := 1
804 ifndef NO_LIBBABELTRACE
805 $(call feature_check,libbabeltrace)
806 ifeq ($(feature-libbabeltrace), 1)
807 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
808 LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
809 EXTLIBS += -lbabeltrace-ctf
810 $(call detected,CONFIG_LIBBABELTRACE)
812 msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
817 ifeq ($(SRCARCH),x86)
818 ifeq ($(feature-get_cpuid), 0)
819 msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
824 $(call detected,CONFIG_AUXTRACE)
825 CFLAGS += -DHAVE_AUXTRACE_SUPPORT
830 ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
831 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
833 ifneq (,$(wildcard /usr/sbin/alternatives))
834 JDIR=$(shell alternatives --display java | tail -1 | cut -d' ' -f 5 | sed 's%/jre/bin/java.%%g')
838 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
844 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
845 $(call feature_check,jvmti)
846 ifeq ($(feature-jvmti), 1)
847 $(call detected_var,JDIR)
849 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel)
857 $(call feature_check,cxx)
858 ifneq ($(feature-cxx), 1)
859 msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
861 $(call feature_check,llvm)
862 $(call feature_check,llvm-version)
863 ifneq ($(feature-llvm), 1)
864 msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
866 $(call feature_check,clang)
867 ifneq ($(feature-clang), 1)
868 msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
870 CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
871 CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
872 $(call detected,CONFIG_CXX)
873 $(call detected,CONFIG_CLANGLLVM)
877 ifneq ($(feature-llvm-version),1)
878 msg := $(warning This version of LLVM is not tested. May cause build errors)
885 # Among the variables below, these:
893 # ETC_PERFCONFIG (but not sysconfdir)
894 # can be specified as a relative path some/where/else;
895 # this is interpreted as relative to $(prefix) and "perf" at
896 # runtime figures out where they are based on the path to the executable.
897 # This can help installing the suite in a relocatable way.
899 # Make the path relative to DESTDIR, not to prefix
903 bindir_relative = bin
904 bindir = $(abspath $(prefix)/$(bindir_relative))
907 perfexecdir = libexec/perf-core
908 perf_include_dir = lib/include/perf
909 perf_examples_dir = lib/examples/perf
910 sharedir = $(prefix)/share
911 template_dir = share/perf-core/templates
912 STRACE_GROUPS_DIR = share/perf-core/strace/groups
913 htmldir = share/doc/perf-doc
914 tipdir = share/doc/perf-tip
915 srcdir = $(srctree)/tools/perf
916 ifeq ($(prefix),/usr)
918 ETC_PERFCONFIG = $(sysconfdir)/perfconfig
920 sysconfdir = $(prefix)/etc
921 ETC_PERFCONFIG = etc/perfconfig
924 ifeq ($(SRCARCH)$(IS_64_BIT), x861)
930 libdir = $(prefix)/$(lib)
932 # Shell quote (do not use $(call) to accommodate ancient setups);
933 ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
934 STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
935 DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
936 bindir_SQ = $(subst ','\'',$(bindir))
937 mandir_SQ = $(subst ','\'',$(mandir))
938 infodir_SQ = $(subst ','\'',$(infodir))
939 perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
940 perf_include_dir_SQ = $(subst ','\'',$(perf_include_dir))
941 perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir))
942 template_dir_SQ = $(subst ','\'',$(template_dir))
943 htmldir_SQ = $(subst ','\'',$(htmldir))
944 tipdir_SQ = $(subst ','\'',$(tipdir))
945 prefix_SQ = $(subst ','\'',$(prefix))
946 sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
947 libdir_SQ = $(subst ','\'',$(libdir))
948 srcdir_SQ = $(subst ','\'',$(srcdir))
950 ifneq ($(filter /%,$(firstword $(perfexecdir))),)
951 perfexec_instdir = $(perfexecdir)
952 perf_include_instdir = $(perf_include_dir)
953 perf_examples_instdir = $(perf_examples_dir)
954 STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
955 tip_instdir = $(tipdir)
957 perfexec_instdir = $(prefix)/$(perfexecdir)
958 perf_include_instdir = $(prefix)/$(perf_include_dir)
959 perf_examples_instdir = $(prefix)/$(perf_examples_dir)
960 STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
961 tip_instdir = $(prefix)/$(tipdir)
963 perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
964 perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir))
965 perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir))
966 STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
967 tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
969 # If we install to $(HOME) we keep the traceevent default:
970 # $(HOME)/.traceevent/plugins
971 # Otherwise we install plugins into the global $(libdir).
973 plugindir=$(libdir)/traceevent/plugins
974 plugindir_SQ= $(subst ','\'',$(plugindir))
977 print_var = $(eval $(print_var_code)) $(info $(MSG))
978 define print_var_code
979 MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
983 # Display EXTRA features which are detected manualy
984 # from here with feature_check call and thus cannot
985 # be partof global state output.
986 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),))
987 $(call print_var,prefix)
988 $(call print_var,bindir)
989 $(call print_var,libdir)
990 $(call print_var,sysconfdir)
991 $(call print_var,LIBUNWIND_DIR)
992 $(call print_var,LIBDW_DIR)
993 $(call print_var,JDIR)
995 ifeq ($(dwarf-post-unwind),1)
996 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
1001 $(call detected_var,bindir_SQ)
1002 $(call detected_var,PYTHON_WORD)
1004 $(call detected_var,OUTPUT)
1006 $(call detected_var,htmldir_SQ)
1007 $(call detected_var,infodir_SQ)
1008 $(call detected_var,mandir_SQ)
1009 $(call detected_var,ETC_PERFCONFIG_SQ)
1010 $(call detected_var,STRACE_GROUPS_DIR_SQ)
1011 $(call detected_var,prefix_SQ)
1012 $(call detected_var,perfexecdir_SQ)
1013 $(call detected_var,perf_include_dir_SQ)
1014 $(call detected_var,perf_examples_dir_SQ)
1015 $(call detected_var,tipdir_SQ)
1016 $(call detected_var,srcdir_SQ)
1017 $(call detected_var,LIBDIR)
1018 $(call detected_var,GTK_CFLAGS)
1019 $(call detected_var,PERL_EMBED_CCOPTS)
1020 $(call detected_var,PYTHON_EMBED_CCOPTS)