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 $(call detected_var,ARCH)
26 # Additional ARCH settings for ppc
27 ifeq ($(ARCH),powerpc)
29 LIBUNWIND_LIBS := -lunwind -lunwind-ppc64
32 # Additional ARCH settings for x86
34 $(call detected,CONFIG_X86)
35 ifeq (${IS_64_BIT}, 1)
36 CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT -DHAVE_SYSCALL_TABLE -I$(OUTPUT)arch/x86/include/generated
37 ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
38 LIBUNWIND_LIBS = -lunwind -lunwind-x86_64
39 $(call detected,CONFIG_X86_64)
41 LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind
48 LIBUNWIND_LIBS = -lunwind -lunwind-arm
53 LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
56 ifeq ($(NO_PERF_REGS),0)
57 $(call detected,CONFIG_PERF_REGS)
60 # So far there's only x86 and arm libdw unwind support merged in perf.
61 # Disable it on all other architectures in case libdw unwind
62 # support is detected in system. Add supported architectures
64 ifneq ($(ARCH),$(filter $(ARCH),x86 arm))
65 NO_LIBDW_DWARF_UNWIND := 1
68 ifeq ($(LIBUNWIND_LIBS),)
72 # For linking with debug library, run like:
74 # make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
77 libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
78 define libunwind_arch_set_flags_code
79 FEATURE_CHECK_CFLAGS-libunwind-$(1) = -I$(LIBUNWIND_DIR)/include
80 FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
84 LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include
85 LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
86 LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64
87 $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
90 # Set per-feature check compilation flags
91 FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
92 FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
93 FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
94 FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
96 ifeq ($(NO_PERF_REGS),0)
97 CFLAGS += -DHAVE_PERF_REGS_SUPPORT
100 # for linking with debug library, run like:
101 # make DEBUG=1 LIBDW_DIR=/opt/libdw/
103 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include
104 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
106 FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
107 FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) -ldw
109 # for linking with debug library, run like:
110 # make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
111 ifdef LIBBABELTRACE_DIR
112 LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include
113 LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
115 FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
116 FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
118 FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(ARCH)/include/uapi -I$(srctree)/tools/include/uapi
119 # include ARCH specific config
120 -include $(src-perf)/arch/$(ARCH)/Makefile
122 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
123 CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
126 include $(srctree)/tools/scripts/utilities.mak
128 ifeq ($(call get-executable,$(FLEX)),)
129 dummy := $(error Error: $(FLEX) is missing on this system, please install it)
132 ifeq ($(call get-executable,$(BISON)),)
133 dummy := $(error Error: $(BISON) is missing on this system, please install it)
136 # Treat warnings as errors unless directed not to
155 PARSER_DEBUG_BISON := -t
156 PARSER_DEBUG_FLEX := -d
157 CFLAGS += -DPARSER_DEBUG
158 $(call detected_var,PARSER_DEBUG_BISON)
159 $(call detected_var,PARSER_DEBUG_FLEX)
162 # Try different combinations to accommodate systems that only have
163 # python[2][-config] in weird combinations but always preferring
164 # python2 and python2-config as per pep-0394. If we catch a
165 # python[-config] in version 3, the version check will kill it.
166 PYTHON2 := $(if $(call get-executable,python2),python2,python)
167 override PYTHON := $(call get-executable-or-default,PYTHON,$(PYTHON2))
169 $(if $(call get-executable,$(PYTHON)-config),$(PYTHON)-config,python-config)
170 override PYTHON_CONFIG := \
171 $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON2_CONFIG))
173 grep-libs = $(filter -l%,$(1))
174 strip-libs = $(filter-out -l%,$(1))
176 PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
179 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
180 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
181 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
182 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
184 PYTHON_EMBED_CCOPTS := $(filter-out -specs=%,$(PYTHON_EMBED_CCOPTS))
186 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
189 FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
190 FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
191 FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
192 FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
194 CFLAGS += -fno-omit-frame-pointer
196 CFLAGS += -funwind-tables
201 CXXFLAGS += -std=gnu++11 -fno-exceptions -fno-rtti
203 CXXFLAGS += -fno-omit-frame-pointer
205 CXXFLAGS += -funwind-tables
206 CXXFLAGS += -Wno-strict-aliasing
208 # Enforce a non-executable stack, as we may regress (again) in the future by
209 # adding assembler files missing the .GNU-stack linker note.
210 LDFLAGS += -Wl,-z,noexecstack
212 EXTLIBS = -lpthread -lrt -lm -ldl
214 ifeq ($(FEATURES_DUMP),)
215 include $(srctree)/tools/build/Makefile.feature
217 include $(FEATURES_DUMP)
220 ifeq ($(feature-stackprotector-all), 1)
221 CFLAGS += -fstack-protector-all
225 ifeq ($(feature-fortify-source), 1)
226 CFLAGS += -D_FORTIFY_SOURCE=2
230 INC_FLAGS += -I$(src-perf)/util/include
231 INC_FLAGS += -I$(src-perf)/arch/$(ARCH)/include
232 INC_FLAGS += -I$(srctree)/tools/include/uapi
233 INC_FLAGS += -I$(srctree)/tools/include/
234 INC_FLAGS += -I$(srctree)/tools/arch/$(ARCH)/include/uapi
235 INC_FLAGS += -I$(srctree)/tools/arch/$(ARCH)/include/
236 INC_FLAGS += -I$(srctree)/tools/arch/$(ARCH)/
238 # $(obj-perf) for generated common-cmds.h
239 # $(obj-perf)/util for generated bison/flex headers
241 INC_FLAGS += -I$(obj-perf)/util
242 INC_FLAGS += -I$(obj-perf)
245 INC_FLAGS += -I$(src-perf)/util
246 INC_FLAGS += -I$(src-perf)
247 INC_FLAGS += -I$(srctree)/tools/lib/
249 CFLAGS += $(INC_FLAGS)
250 CXXFLAGS += $(INC_FLAGS)
252 CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
254 ifeq ($(feature-sync-compare-and-swap), 1)
255 CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
258 ifeq ($(feature-pthread-attr-setaffinity-np), 1)
259 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
263 $(call feature_check,bionic)
264 ifeq ($(feature-bionic), 1)
266 EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
267 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
275 NO_LIBDW_DWARF_UNWIND := 1
279 ifeq ($(feature-libelf), 0)
280 ifeq ($(feature-glibc), 1)
286 ifeq ($(LIBC_SUPPORT),1)
287 msg := $(warning No libelf found. Disables 'probe' tool, jvmti and BPF support in 'perf record'. Please install libelf-dev, libelf-devel or elfutils-libelf-devel);
293 NO_LIBDW_DWARF_UNWIND := 1
297 ifneq ($(filter s% -static%,$(LDFLAGS),),)
298 msg := $(error No static glibc found, please install glibc-static);
300 msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
304 ifndef NO_LIBDW_DWARF_UNWIND
305 ifneq ($(feature-libdw-dwarf-unwind),1)
306 NO_LIBDW_DWARF_UNWIND := 1
307 msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
310 ifneq ($(feature-dwarf), 1)
312 msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
316 ifneq ($(feature-dwarf_getlocations), 1)
317 msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
319 CFLAGS += -DHAVE_DWARF_GETLOCATIONS
320 endif # dwarf_getlocations
321 endif # Dwarf support
322 endif # libelf support
326 NO_LIBDW_DWARF_UNWIND := 1
329 ifeq ($(feature-sched_getcpu), 1)
330 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
334 CFLAGS += -DHAVE_LIBELF_SUPPORT
336 $(call detected,CONFIG_LIBELF)
338 ifeq ($(feature-libelf-mmap), 1)
339 CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
342 ifeq ($(feature-libelf-getphdrnum), 1)
343 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
346 ifeq ($(feature-libelf-gelf_getnote), 1)
347 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
349 msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
352 ifeq ($(feature-libelf-getshdrstrndx), 1)
353 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
357 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
358 msg := $(warning DWARF register mappings have not been defined for architecture $(ARCH), DWARF support disabled);
361 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
362 LDFLAGS += $(LIBDW_LDFLAGS)
364 ifeq ($(findstring -static,${LDFLAGS}),-static)
365 DWARFLIBS += -lelf -lebl -lz -llzma -lbz2
367 EXTLIBS += ${DWARFLIBS}
368 $(call detected,CONFIG_DWARF)
369 endif # PERF_HAVE_DWARF_REGS
373 ifeq ($(feature-bpf), 1)
374 CFLAGS += -DHAVE_LIBBPF_SUPPORT
375 $(call detected,CONFIG_LIBBPF)
379 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
380 CFLAGS += -DHAVE_BPF_PROLOGUE
381 $(call detected,CONFIG_BPF_PROLOGUE)
383 msg := $(warning BPF prologue is not supported by architecture $(ARCH), missing regs_query_register_offset());
386 msg := $(warning DWARF support is off, BPF prologue is disabled);
393 ifneq ($(feature-sdt), 1)
394 msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
397 CFLAGS += -DHAVE_SDT_EVENT
398 $(call detected,CONFIG_SDT_EVENT)
402 ifdef PERF_HAVE_JITDUMP
404 $(call detected,CONFIG_JITDUMP)
405 CFLAGS += -DHAVE_JITDUMP
409 ifeq ($(ARCH),powerpc)
411 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
418 ifeq ($(feature-libunwind-x86), 1)
419 $(call detected,CONFIG_LIBUNWIND_X86)
420 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
421 LDFLAGS += -lunwind-x86
422 EXTLIBS_LIBUNWIND += -lunwind-x86
426 ifeq ($(feature-libunwind-aarch64), 1)
427 $(call detected,CONFIG_LIBUNWIND_AARCH64)
428 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
429 LDFLAGS += -lunwind-aarch64
430 EXTLIBS_LIBUNWIND += -lunwind-aarch64
432 $(call feature_check,libunwind-debug-frame-aarch64)
433 ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
434 msg := $(warning No debug_frame support found in libunwind-aarch64);
435 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
439 ifneq ($(feature-libunwind), 1)
440 msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
441 NO_LOCAL_LIBUNWIND := 1
444 $(call detected,CONFIG_LOCAL_LIBUNWIND)
447 ifneq ($(have_libunwind), 1)
451 NO_LOCAL_LIBUNWIND := 1
455 ifneq ($(feature-bpf), 1)
456 msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
461 dwarf-post-unwind := 1
462 dwarf-post-unwind-text := BUG
464 # setup DWARF post unwinder
466 ifdef NO_LIBDW_DWARF_UNWIND
467 msg := $(warning Disabling post unwind, no support found.);
468 dwarf-post-unwind := 0
470 dwarf-post-unwind-text := libdw
471 $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
474 dwarf-post-unwind-text := libunwind
475 $(call detected,CONFIG_LIBUNWIND)
476 # Enable libunwind support by default.
477 ifndef NO_LIBDW_DWARF_UNWIND
478 NO_LIBDW_DWARF_UNWIND := 1
482 ifeq ($(dwarf-post-unwind),1)
483 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
484 $(call detected,CONFIG_DWARF_UNWIND)
489 ifndef NO_LOCAL_LIBUNWIND
490 ifeq ($(ARCH),$(filter $(ARCH),arm arm64))
491 $(call feature_check,libunwind-debug-frame)
492 ifneq ($(feature-libunwind-debug-frame), 1)
493 msg := $(warning No debug_frame support found in libunwind);
494 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
497 # non-ARM has no dwarf_find_debug_frame() function:
498 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
500 EXTLIBS += $(LIBUNWIND_LIBS)
501 LDFLAGS += $(LIBUNWIND_LIBS)
505 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
506 CFLAGS += $(LIBUNWIND_CFLAGS)
507 LDFLAGS += $(LIBUNWIND_LDFLAGS)
508 EXTLIBS += $(EXTLIBS_LIBUNWIND)
512 ifneq ($(feature-libaudit), 1)
513 msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
516 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
518 $(call detected,CONFIG_AUDIT)
523 ifneq ($(feature-libcrypto), 1)
524 msg := $(warning No libcrypto.h found, disables jitted code injection, please install libssl-devel or libssl-dev);
527 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
529 $(call detected,CONFIG_CRYPTO)
538 ifneq ($(feature-libslang), 1)
539 msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
542 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
543 CFLAGS += -I/usr/include/slang
544 CFLAGS += -DHAVE_SLANG_SUPPORT
546 $(call detected,CONFIG_SLANG)
551 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
552 ifneq ($(feature-gtk2), 1)
553 msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
556 ifeq ($(feature-gtk2-infobar), 1)
557 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
559 CFLAGS += -DHAVE_GTK2_SUPPORT
560 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
561 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
568 CFLAGS += -DNO_LIBPERL
570 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
571 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
572 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
573 PERL_EMBED_CCOPTS = `perl -MExtUtils::Embed -e ccopts 2>/dev/null`
574 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
576 ifneq ($(feature-libperl), 1)
577 CFLAGS += -DNO_LIBPERL
579 msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
581 LDFLAGS += $(PERL_EMBED_LDFLAGS)
582 EXTLIBS += $(PERL_EMBED_LIBADD)
583 $(call detected,CONFIG_LIBPERL)
587 ifeq ($(feature-timerfd), 1)
588 CFLAGS += -DHAVE_TIMERFD_SUPPORT
590 msg := $(warning No timerfd support. Disables 'perf kvm stat live');
593 disable-python = $(eval $(disable-python_code))
594 define disable-python_code
595 CFLAGS += -DNO_LIBPYTHON
601 $(call disable-python,Python support disabled by user)
605 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
607 PYTHON_WORD := $(call shell-wordify,$(PYTHON))
610 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
613 ifneq ($(feature-libpython), 1)
614 $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
616 ifneq ($(feature-libpython-version), 1)
617 $(warning Python 3 is not yet supported; please set)
618 $(warning PYTHON and/or PYTHON_CONFIG appropriately.)
619 $(warning If you also have Python 2 installed, then)
620 $(warning try something like:)
622 $(warning $(and ,) make PYTHON=python2)
624 $(warning Otherwise, disable Python support entirely:)
626 $(warning $(and ,) make NO_LIBPYTHON=1)
630 LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
631 EXTLIBS += $(PYTHON_EMBED_LIBADD)
632 LANG_BINDINGS += $(obj-perf)python/perf.so
633 $(call detected,CONFIG_LIBPYTHON)
640 ifeq ($(feature-libbfd), 1)
643 # call all detections now so we get correct
644 # status in VF output
645 $(call feature_check,liberty)
646 $(call feature_check,liberty-z)
647 $(call feature_check,cplus-demangle)
649 ifeq ($(feature-liberty), 1)
652 ifeq ($(feature-liberty-z), 1)
653 EXTLIBS += -liberty -lz
659 CFLAGS += -DNO_DEMANGLE
661 ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
663 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
665 ifneq ($(feature-libbfd), 1)
666 ifneq ($(feature-liberty), 1)
667 ifneq ($(feature-liberty-z), 1)
668 # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
669 # or any of 'bfd iberty z' trinity
670 ifeq ($(feature-cplus-demangle), 1)
672 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
674 msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
675 CFLAGS += -DNO_DEMANGLE
683 ifneq ($(filter -lbfd,$(EXTLIBS)),)
684 CFLAGS += -DHAVE_LIBBFD_SUPPORT
688 ifeq ($(feature-zlib), 1)
689 CFLAGS += -DHAVE_ZLIB_SUPPORT
691 $(call detected,CONFIG_ZLIB)
698 ifeq ($(feature-lzma), 1)
699 CFLAGS += -DHAVE_LZMA_SUPPORT
701 $(call detected,CONFIG_LZMA)
703 msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
709 ifeq ($(feature-backtrace), 1)
710 CFLAGS += -DHAVE_BACKTRACE_SUPPORT
715 ifeq ($(feature-libnuma), 0)
716 msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
719 ifeq ($(feature-numa_num_possible_cpus), 0)
720 msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
723 CFLAGS += -DHAVE_LIBNUMA_SUPPORT
725 $(call detected,CONFIG_NUMA)
730 ifdef HAVE_KVM_STAT_SUPPORT
731 CFLAGS += -DHAVE_KVM_STAT_SUPPORT
734 ifeq (${IS_64_BIT}, 1)
735 ifndef NO_PERF_READ_VDSO32
736 $(call feature_check,compile-32)
737 ifeq ($(feature-compile-32), 1)
738 CFLAGS += -DHAVE_PERF_READ_VDSO32
740 NO_PERF_READ_VDSO32 := 1
744 NO_PERF_READ_VDSOX32 := 1
746 ifndef NO_PERF_READ_VDSOX32
747 $(call feature_check,compile-x32)
748 ifeq ($(feature-compile-x32), 1)
749 CFLAGS += -DHAVE_PERF_READ_VDSOX32
751 NO_PERF_READ_VDSOX32 := 1
755 NO_PERF_READ_VDSO32 := 1
756 NO_PERF_READ_VDSOX32 := 1
760 $(call feature_check,libbabeltrace)
761 ifeq ($(feature-libbabeltrace), 1)
762 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
763 LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
764 EXTLIBS += -lbabeltrace-ctf
765 $(call detected,CONFIG_LIBBABELTRACE)
767 msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
773 ifeq ($(feature-get_cpuid), 0)
774 msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
779 $(call detected,CONFIG_AUXTRACE)
780 CFLAGS += -DHAVE_AUXTRACE_SUPPORT
785 ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
786 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
788 ifneq (,$(wildcard /usr/sbin/alternatives))
789 JDIR=$(shell alternatives --display java | tail -1 | cut -d' ' -f 5 | sed 's%/jre/bin/java.%%g')
793 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
799 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
800 $(call feature_check,jvmti)
801 ifeq ($(feature-jvmti), 1)
802 $(call detected_var,JDIR)
804 $(warning No openjdk development package found, please install JDK package)
812 $(call feature_check,cxx)
813 ifneq ($(feature-cxx), 1)
814 msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
816 $(call feature_check,llvm)
817 $(call feature_check,llvm-version)
818 ifneq ($(feature-llvm), 1)
819 msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
821 $(call feature_check,clang)
822 ifneq ($(feature-clang), 1)
823 msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
825 CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
826 CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
827 $(call detected,CONFIG_CXX)
828 $(call detected,CONFIG_CLANGLLVM)
832 ifneq ($(feature-llvm-version),1)
833 msg := $(warning This version of LLVM is not tested. May cause build errors)
840 # Among the variables below, these:
846 # ETC_PERFCONFIG (but not sysconfdir)
847 # can be specified as a relative path some/where/else;
848 # this is interpreted as relative to $(prefix) and "perf" at
849 # runtime figures out where they are based on the path to the executable.
850 # This can help installing the suite in a relocatable way.
852 # Make the path relative to DESTDIR, not to prefix
856 bindir_relative = bin
857 bindir = $(abspath $(prefix)/$(bindir_relative))
860 perfexecdir = libexec/perf-core
861 sharedir = $(prefix)/share
862 template_dir = share/perf-core/templates
863 STRACE_GROUPS_DIR = share/perf-core/strace/groups
864 htmldir = share/doc/perf-doc
865 tipdir = share/doc/perf-tip
866 srcdir = $(srctree)/tools/perf
867 ifeq ($(prefix),/usr)
869 ETC_PERFCONFIG = $(sysconfdir)/perfconfig
871 sysconfdir = $(prefix)/etc
872 ETC_PERFCONFIG = etc/perfconfig
875 ifeq ($(ARCH)$(IS_64_BIT), x861)
881 libdir = $(prefix)/$(lib)
883 # Shell quote (do not use $(call) to accommodate ancient setups);
884 ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
885 STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
886 DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
887 bindir_SQ = $(subst ','\'',$(bindir))
888 mandir_SQ = $(subst ','\'',$(mandir))
889 infodir_SQ = $(subst ','\'',$(infodir))
890 perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
891 template_dir_SQ = $(subst ','\'',$(template_dir))
892 htmldir_SQ = $(subst ','\'',$(htmldir))
893 tipdir_SQ = $(subst ','\'',$(tipdir))
894 prefix_SQ = $(subst ','\'',$(prefix))
895 sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
896 libdir_SQ = $(subst ','\'',$(libdir))
897 srcdir_SQ = $(subst ','\'',$(srcdir))
899 ifneq ($(filter /%,$(firstword $(perfexecdir))),)
900 perfexec_instdir = $(perfexecdir)
901 STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
902 tip_instdir = $(tipdir)
904 perfexec_instdir = $(prefix)/$(perfexecdir)
905 STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
906 tip_instdir = $(prefix)/$(tipdir)
908 perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
909 STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
910 tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
912 # If we install to $(HOME) we keep the traceevent default:
913 # $(HOME)/.traceevent/plugins
914 # Otherwise we install plugins into the global $(libdir).
916 plugindir=$(libdir)/traceevent/plugins
917 plugindir_SQ= $(subst ','\'',$(plugindir))
920 print_var = $(eval $(print_var_code)) $(info $(MSG))
921 define print_var_code
922 MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
926 $(call print_var,prefix)
927 $(call print_var,bindir)
928 $(call print_var,libdir)
929 $(call print_var,sysconfdir)
930 $(call print_var,LIBUNWIND_DIR)
931 $(call print_var,LIBDW_DIR)
932 $(call print_var,JDIR)
934 ifeq ($(dwarf-post-unwind),1)
935 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
940 $(call detected_var,bindir_SQ)
941 $(call detected_var,PYTHON_WORD)
943 $(call detected_var,OUTPUT)
945 $(call detected_var,htmldir_SQ)
946 $(call detected_var,infodir_SQ)
947 $(call detected_var,mandir_SQ)
948 $(call detected_var,ETC_PERFCONFIG_SQ)
949 $(call detected_var,STRACE_GROUPS_DIR_SQ)
950 $(call detected_var,prefix_SQ)
951 $(call detected_var,perfexecdir_SQ)
952 $(call detected_var,tipdir_SQ)
953 $(call detected_var,srcdir_SQ)
954 $(call detected_var,LIBDIR)
955 $(call detected_var,GTK_CFLAGS)
956 $(call detected_var,PERL_EMBED_CCOPTS)
957 $(call detected_var,PYTHON_EMBED_CCOPTS)