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)
30 LIBUNWIND_LIBS := -lunwind -lunwind-ppc64
33 # Additional ARCH settings for x86
35 $(call detected,CONFIG_X86)
36 ifeq (${IS_64_BIT}, 1)
38 CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT -I$(OUTPUT)arch/x86/include/generated
39 ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
40 LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind -llzma
41 $(call detected,CONFIG_X86_64)
43 LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind
50 LIBUNWIND_LIBS = -lunwind -lunwind-arm
53 ifeq ($(SRCARCH),arm64)
55 LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
61 CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated
64 ifeq ($(NO_PERF_REGS),0)
65 $(call detected,CONFIG_PERF_REGS)
68 ifneq ($(NO_SYSCALL_TABLE),1)
69 CFLAGS += -DHAVE_SYSCALL_TABLE
72 # So far there's only x86 and arm libdw unwind support merged in perf.
73 # Disable it on all other architectures in case libdw unwind
74 # support is detected in system. Add supported architectures
76 ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm powerpc s390))
77 NO_LIBDW_DWARF_UNWIND := 1
80 ifeq ($(LIBUNWIND_LIBS),)
84 # For linking with debug library, run like:
86 # make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
89 libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
90 define libunwind_arch_set_flags_code
91 FEATURE_CHECK_CFLAGS-libunwind-$(1) = -I$(LIBUNWIND_DIR)/include
92 FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
96 LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include
97 LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
98 LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64
99 $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
102 # Set per-feature check compilation flags
103 FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
104 FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
105 FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
106 FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
109 LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)
111 OPENCSDLIBS := -lopencsd_c_api -lopencsd
113 LIBOPENCSD_LDFLAGS := -L$(CSLIBS)
115 FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS)
116 FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS)
118 ifeq ($(NO_PERF_REGS),0)
119 CFLAGS += -DHAVE_PERF_REGS_SUPPORT
122 # for linking with debug library, run like:
123 # make DEBUG=1 LIBDW_DIR=/opt/libdw/
125 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include
126 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
129 ifeq ($(findstring -static,${LDFLAGS}),-static)
130 DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2
132 FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
133 FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS)
135 # for linking with debug library, run like:
136 # make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
137 ifdef LIBBABELTRACE_DIR
138 LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include
139 LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
141 FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
142 FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
144 FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi
145 # include ARCH specific config
146 -include $(src-perf)/arch/$(SRCARCH)/Makefile
148 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
149 CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
152 include $(srctree)/tools/scripts/utilities.mak
154 ifeq ($(call get-executable,$(FLEX)),)
155 dummy := $(error Error: $(FLEX) is missing on this system, please install it)
158 ifeq ($(call get-executable,$(BISON)),)
159 dummy := $(error Error: $(BISON) is missing on this system, please install it)
162 # Treat warnings as errors unless directed not to
173 ifeq ($(CC_NO_CLANG), 0)
181 PARSER_DEBUG_BISON := -t
182 PARSER_DEBUG_FLEX := -d
183 CFLAGS += -DPARSER_DEBUG
184 $(call detected_var,PARSER_DEBUG_BISON)
185 $(call detected_var,PARSER_DEBUG_FLEX)
188 # Try different combinations to accommodate systems that only have
189 # python[2][-config] in weird combinations but always preferring
190 # python2 and python2-config as per pep-0394. If we catch a
191 # python[-config] in version 3, the version check will kill it.
192 PYTHON2 := $(if $(call get-executable,python2),python2,python)
193 override PYTHON := $(call get-executable-or-default,PYTHON,$(PYTHON2))
195 $(if $(call get-executable,$(PYTHON)-config),$(PYTHON)-config,python-config)
196 override PYTHON_CONFIG := \
197 $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON2_CONFIG))
199 grep-libs = $(filter -l%,$(1))
200 strip-libs = $(filter-out -l%,$(1))
202 PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
205 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
206 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
207 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
208 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
209 PYTHON_EMBED_CCOPTS := $(filter-out -specs=%,$(PYTHON_EMBED_CCOPTS))
210 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
213 FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
214 FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
215 FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
216 FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
218 CFLAGS += -fno-omit-frame-pointer
220 CFLAGS += -funwind-tables
225 CXXFLAGS += -std=gnu++11 -fno-exceptions -fno-rtti
227 CXXFLAGS += -fno-omit-frame-pointer
229 CXXFLAGS += -funwind-tables
230 CXXFLAGS += -Wno-strict-aliasing
232 # Enforce a non-executable stack, as we may regress (again) in the future by
233 # adding assembler files missing the .GNU-stack linker note.
234 LDFLAGS += -Wl,-z,noexecstack
236 EXTLIBS = -lpthread -lrt -lm -ldl
238 ifeq ($(FEATURES_DUMP),)
239 include $(srctree)/tools/build/Makefile.feature
241 include $(FEATURES_DUMP)
244 ifeq ($(feature-stackprotector-all), 1)
245 CFLAGS += -fstack-protector-all
249 ifeq ($(feature-fortify-source), 1)
250 CFLAGS += -D_FORTIFY_SOURCE=2
254 INC_FLAGS += -I$(src-perf)/util/include
255 INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
256 INC_FLAGS += -I$(srctree)/tools/include/uapi
257 INC_FLAGS += -I$(srctree)/tools/include/
258 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
259 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
260 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
262 # $(obj-perf) for generated common-cmds.h
263 # $(obj-perf)/util for generated bison/flex headers
265 INC_FLAGS += -I$(obj-perf)/util
266 INC_FLAGS += -I$(obj-perf)
269 INC_FLAGS += -I$(src-perf)/util
270 INC_FLAGS += -I$(src-perf)
271 INC_FLAGS += -I$(srctree)/tools/lib/
273 CFLAGS += $(INC_FLAGS)
274 CXXFLAGS += $(INC_FLAGS)
276 CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
278 ifeq ($(feature-sync-compare-and-swap), 1)
279 CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
282 ifeq ($(feature-pthread-attr-setaffinity-np), 1)
283 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
286 ifeq ($(feature-pthread-barrier), 1)
287 CFLAGS += -DHAVE_PTHREAD_BARRIER
291 $(call feature_check,bionic)
292 ifeq ($(feature-bionic), 1)
294 EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
295 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
303 NO_LIBDW_DWARF_UNWIND := 1
307 ifeq ($(feature-libelf), 0)
308 ifeq ($(feature-glibc), 1)
314 ifeq ($(LIBC_SUPPORT),1)
315 msg := $(warning No libelf found. Disables 'probe' tool, jvmti and BPF support in 'perf record'. Please install libelf-dev, libelf-devel or elfutils-libelf-devel);
321 NO_LIBDW_DWARF_UNWIND := 1
325 ifneq ($(filter s% -static%,$(LDFLAGS),),)
326 msg := $(error No static glibc found, please install glibc-static);
328 msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
332 ifndef NO_LIBDW_DWARF_UNWIND
333 ifneq ($(feature-libdw-dwarf-unwind),1)
334 NO_LIBDW_DWARF_UNWIND := 1
335 msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
338 ifneq ($(feature-dwarf), 1)
340 msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
344 ifneq ($(feature-dwarf_getlocations), 1)
345 msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
347 CFLAGS += -DHAVE_DWARF_GETLOCATIONS
348 endif # dwarf_getlocations
349 endif # Dwarf support
350 endif # libelf support
354 NO_LIBDW_DWARF_UNWIND := 1
357 ifeq ($(feature-sched_getcpu), 1)
358 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
361 ifeq ($(feature-setns), 1)
362 CFLAGS += -DHAVE_SETNS_SUPPORT
363 $(call detected,CONFIG_SETNS)
367 ifeq ($(feature-libopencsd), 1)
368 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
369 LDFLAGS += $(LIBOPENCSD_LDFLAGS)
370 EXTLIBS += $(OPENCSDLIBS)
371 $(call detected,CONFIG_LIBOPENCSD)
373 CFLAGS += -DCS_DEBUG_RAW
374 ifeq (${CSTRACE_RAW}, packed)
375 CFLAGS += -DCS_RAW_PACKED
382 CFLAGS += -DHAVE_LIBELF_SUPPORT
384 $(call detected,CONFIG_LIBELF)
386 ifeq ($(feature-libelf-mmap), 1)
387 CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
390 ifeq ($(feature-libelf-getphdrnum), 1)
391 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
394 ifeq ($(feature-libelf-gelf_getnote), 1)
395 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
397 msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
400 ifeq ($(feature-libelf-getshdrstrndx), 1)
401 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
405 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
406 msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
409 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
410 LDFLAGS += $(LIBDW_LDFLAGS)
411 EXTLIBS += ${DWARFLIBS}
412 $(call detected,CONFIG_DWARF)
413 endif # PERF_HAVE_DWARF_REGS
417 ifeq ($(feature-bpf), 1)
418 CFLAGS += -DHAVE_LIBBPF_SUPPORT
419 $(call detected,CONFIG_LIBBPF)
423 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
424 CFLAGS += -DHAVE_BPF_PROLOGUE
425 $(call detected,CONFIG_BPF_PROLOGUE)
427 msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset());
430 msg := $(warning DWARF support is off, BPF prologue is disabled);
437 ifneq ($(feature-sdt), 1)
438 msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
441 CFLAGS += -DHAVE_SDT_EVENT
442 $(call detected,CONFIG_SDT_EVENT)
446 ifdef PERF_HAVE_JITDUMP
448 $(call detected,CONFIG_JITDUMP)
449 CFLAGS += -DHAVE_JITDUMP
453 ifeq ($(SRCARCH),powerpc)
455 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
462 ifeq ($(feature-libunwind-x86), 1)
463 $(call detected,CONFIG_LIBUNWIND_X86)
464 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
465 LDFLAGS += -lunwind-x86
466 EXTLIBS_LIBUNWIND += -lunwind-x86
470 ifeq ($(feature-libunwind-aarch64), 1)
471 $(call detected,CONFIG_LIBUNWIND_AARCH64)
472 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
473 LDFLAGS += -lunwind-aarch64
474 EXTLIBS_LIBUNWIND += -lunwind-aarch64
476 $(call feature_check,libunwind-debug-frame-aarch64)
477 ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
478 msg := $(warning No debug_frame support found in libunwind-aarch64);
479 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
483 ifneq ($(feature-libunwind), 1)
484 msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
485 NO_LOCAL_LIBUNWIND := 1
488 $(call detected,CONFIG_LOCAL_LIBUNWIND)
491 ifneq ($(have_libunwind), 1)
495 NO_LOCAL_LIBUNWIND := 1
499 ifneq ($(feature-bpf), 1)
500 msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
505 dwarf-post-unwind := 1
506 dwarf-post-unwind-text := BUG
508 # setup DWARF post unwinder
510 ifdef NO_LIBDW_DWARF_UNWIND
511 msg := $(warning Disabling post unwind, no support found.);
512 dwarf-post-unwind := 0
514 dwarf-post-unwind-text := libdw
515 $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
518 dwarf-post-unwind-text := libunwind
519 $(call detected,CONFIG_LIBUNWIND)
520 # Enable libunwind support by default.
521 ifndef NO_LIBDW_DWARF_UNWIND
522 NO_LIBDW_DWARF_UNWIND := 1
526 ifeq ($(dwarf-post-unwind),1)
527 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
528 $(call detected,CONFIG_DWARF_UNWIND)
533 ifndef NO_LOCAL_LIBUNWIND
534 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
535 $(call feature_check,libunwind-debug-frame)
536 ifneq ($(feature-libunwind-debug-frame), 1)
537 msg := $(warning No debug_frame support found in libunwind);
538 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
541 # non-ARM has no dwarf_find_debug_frame() function:
542 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
544 EXTLIBS += $(LIBUNWIND_LIBS)
545 LDFLAGS += $(LIBUNWIND_LIBS)
547 ifeq ($(findstring -static,${LDFLAGS}),-static)
548 # gcc -static links libgcc_eh which contans piece of libunwind
549 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
553 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
554 CFLAGS += $(LIBUNWIND_CFLAGS)
555 LDFLAGS += $(LIBUNWIND_LDFLAGS)
556 EXTLIBS += $(EXTLIBS_LIBUNWIND)
559 ifeq ($(NO_SYSCALL_TABLE),0)
560 $(call detected,CONFIG_TRACE)
563 ifneq ($(feature-libaudit), 1)
564 msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
567 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
569 $(call detected,CONFIG_TRACE)
575 ifneq ($(feature-libcrypto), 1)
576 msg := $(warning No libcrypto.h found, disables jitted code injection, please install libssl-devel or libssl-dev);
579 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
581 $(call detected,CONFIG_CRYPTO)
590 ifneq ($(feature-libslang), 1)
591 msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
594 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
595 CFLAGS += -I/usr/include/slang
596 CFLAGS += -DHAVE_SLANG_SUPPORT
598 $(call detected,CONFIG_SLANG)
603 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
604 ifneq ($(feature-gtk2), 1)
605 msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
608 ifeq ($(feature-gtk2-infobar), 1)
609 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
611 CFLAGS += -DHAVE_GTK2_SUPPORT
612 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
613 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
619 CFLAGS += -DNO_LIBPERL
621 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
622 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
623 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
624 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
625 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
626 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
627 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
629 ifneq ($(feature-libperl), 1)
630 CFLAGS += -DNO_LIBPERL
632 msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
634 LDFLAGS += $(PERL_EMBED_LDFLAGS)
635 EXTLIBS += $(PERL_EMBED_LIBADD)
636 $(call detected,CONFIG_LIBPERL)
640 ifeq ($(feature-timerfd), 1)
641 CFLAGS += -DHAVE_TIMERFD_SUPPORT
643 msg := $(warning No timerfd support. Disables 'perf kvm stat live');
646 disable-python = $(eval $(disable-python_code))
647 define disable-python_code
648 CFLAGS += -DNO_LIBPYTHON
654 $(call disable-python,Python support disabled by user)
658 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
660 PYTHON_WORD := $(call shell-wordify,$(PYTHON))
663 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
666 ifneq ($(feature-libpython), 1)
667 $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
669 ifneq ($(feature-libpython-version), 1)
670 $(warning Python 3 is not yet supported; please set)
671 $(warning PYTHON and/or PYTHON_CONFIG appropriately.)
672 $(warning If you also have Python 2 installed, then)
673 $(warning try something like:)
675 $(warning $(and ,) make PYTHON=python2)
677 $(warning Otherwise, disable Python support entirely:)
679 $(warning $(and ,) make NO_LIBPYTHON=1)
683 LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
684 EXTLIBS += $(PYTHON_EMBED_LIBADD)
685 LANG_BINDINGS += $(obj-perf)python/perf.so
686 $(call detected,CONFIG_LIBPYTHON)
693 ifeq ($(feature-libbfd), 1)
696 # call all detections now so we get correct
697 # status in VF output
698 $(call feature_check,liberty)
699 $(call feature_check,liberty-z)
700 $(call feature_check,cplus-demangle)
702 ifeq ($(feature-liberty), 1)
705 ifeq ($(feature-liberty-z), 1)
706 EXTLIBS += -liberty -lz
712 CFLAGS += -DNO_DEMANGLE
714 ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
716 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
718 ifneq ($(feature-libbfd), 1)
719 ifneq ($(feature-liberty), 1)
720 ifneq ($(feature-liberty-z), 1)
721 # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
722 # or any of 'bfd iberty z' trinity
723 ifeq ($(feature-cplus-demangle), 1)
725 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
727 msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
728 CFLAGS += -DNO_DEMANGLE
736 ifneq ($(filter -lbfd,$(EXTLIBS)),)
737 CFLAGS += -DHAVE_LIBBFD_SUPPORT
741 ifeq ($(feature-zlib), 1)
742 CFLAGS += -DHAVE_ZLIB_SUPPORT
744 $(call detected,CONFIG_ZLIB)
751 ifeq ($(feature-lzma), 1)
752 CFLAGS += -DHAVE_LZMA_SUPPORT
754 $(call detected,CONFIG_LZMA)
756 msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
762 ifeq ($(feature-backtrace), 1)
763 CFLAGS += -DHAVE_BACKTRACE_SUPPORT
768 ifeq ($(feature-libnuma), 0)
769 msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
772 ifeq ($(feature-numa_num_possible_cpus), 0)
773 msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
776 CFLAGS += -DHAVE_LIBNUMA_SUPPORT
778 $(call detected,CONFIG_NUMA)
783 ifdef HAVE_KVM_STAT_SUPPORT
784 CFLAGS += -DHAVE_KVM_STAT_SUPPORT
787 ifeq (${IS_64_BIT}, 1)
788 ifndef NO_PERF_READ_VDSO32
789 $(call feature_check,compile-32)
790 ifeq ($(feature-compile-32), 1)
791 CFLAGS += -DHAVE_PERF_READ_VDSO32
793 NO_PERF_READ_VDSO32 := 1
796 ifneq ($(SRCARCH), x86)
797 NO_PERF_READ_VDSOX32 := 1
799 ifndef NO_PERF_READ_VDSOX32
800 $(call feature_check,compile-x32)
801 ifeq ($(feature-compile-x32), 1)
802 CFLAGS += -DHAVE_PERF_READ_VDSOX32
804 NO_PERF_READ_VDSOX32 := 1
808 NO_PERF_READ_VDSO32 := 1
809 NO_PERF_READ_VDSOX32 := 1
812 ifndef NO_LIBBABELTRACE
813 $(call feature_check,libbabeltrace)
814 ifeq ($(feature-libbabeltrace), 1)
815 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
816 LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
817 EXTLIBS += -lbabeltrace-ctf
818 $(call detected,CONFIG_LIBBABELTRACE)
820 msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
825 ifeq ($(SRCARCH),x86)
826 ifeq ($(feature-get_cpuid), 0)
827 msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
832 $(call detected,CONFIG_AUXTRACE)
833 CFLAGS += -DHAVE_AUXTRACE_SUPPORT
838 ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
839 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
841 ifneq (,$(wildcard /usr/sbin/alternatives))
842 JDIR=$(shell alternatives --display java | tail -1 | cut -d' ' -f 5 | sed 's%/jre/bin/java.%%g')
846 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
852 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
853 $(call feature_check,jvmti)
854 ifeq ($(feature-jvmti), 1)
855 $(call detected_var,JDIR)
857 $(warning No openjdk development package found, please install JDK package)
865 $(call feature_check,cxx)
866 ifneq ($(feature-cxx), 1)
867 msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
869 $(call feature_check,llvm)
870 $(call feature_check,llvm-version)
871 ifneq ($(feature-llvm), 1)
872 msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
874 $(call feature_check,clang)
875 ifneq ($(feature-clang), 1)
876 msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
878 CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
879 CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
880 $(call detected,CONFIG_CXX)
881 $(call detected,CONFIG_CLANGLLVM)
885 ifneq ($(feature-llvm-version),1)
886 msg := $(warning This version of LLVM is not tested. May cause build errors)
893 # Among the variables below, these:
899 # ETC_PERFCONFIG (but not sysconfdir)
900 # can be specified as a relative path some/where/else;
901 # this is interpreted as relative to $(prefix) and "perf" at
902 # runtime figures out where they are based on the path to the executable.
903 # This can help installing the suite in a relocatable way.
905 # Make the path relative to DESTDIR, not to prefix
909 bindir_relative = bin
910 bindir = $(abspath $(prefix)/$(bindir_relative))
913 perfexecdir = libexec/perf-core
914 sharedir = $(prefix)/share
915 template_dir = share/perf-core/templates
916 STRACE_GROUPS_DIR = share/perf-core/strace/groups
917 htmldir = share/doc/perf-doc
918 tipdir = share/doc/perf-tip
919 srcdir = $(srctree)/tools/perf
920 ifeq ($(prefix),/usr)
922 ETC_PERFCONFIG = $(sysconfdir)/perfconfig
924 sysconfdir = $(prefix)/etc
925 ETC_PERFCONFIG = etc/perfconfig
928 ifeq ($(SRCARCH)$(IS_64_BIT), x861)
934 libdir = $(prefix)/$(lib)
936 # Shell quote (do not use $(call) to accommodate ancient setups);
937 ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
938 STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
939 DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
940 bindir_SQ = $(subst ','\'',$(bindir))
941 mandir_SQ = $(subst ','\'',$(mandir))
942 infodir_SQ = $(subst ','\'',$(infodir))
943 perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
944 template_dir_SQ = $(subst ','\'',$(template_dir))
945 htmldir_SQ = $(subst ','\'',$(htmldir))
946 tipdir_SQ = $(subst ','\'',$(tipdir))
947 prefix_SQ = $(subst ','\'',$(prefix))
948 sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
949 libdir_SQ = $(subst ','\'',$(libdir))
950 srcdir_SQ = $(subst ','\'',$(srcdir))
952 ifneq ($(filter /%,$(firstword $(perfexecdir))),)
953 perfexec_instdir = $(perfexecdir)
954 STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
955 tip_instdir = $(tipdir)
957 perfexec_instdir = $(prefix)/$(perfexecdir)
958 STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
959 tip_instdir = $(prefix)/$(tipdir)
961 perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
962 STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
963 tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
965 # If we install to $(HOME) we keep the traceevent default:
966 # $(HOME)/.traceevent/plugins
967 # Otherwise we install plugins into the global $(libdir).
969 plugindir=$(libdir)/traceevent/plugins
970 plugindir_SQ= $(subst ','\'',$(plugindir))
973 print_var = $(eval $(print_var_code)) $(info $(MSG))
974 define print_var_code
975 MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
979 # Display EXTRA features which are detected manualy
980 # from here with feature_check call and thus cannot
981 # be partof global state output.
982 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),))
983 $(call print_var,prefix)
984 $(call print_var,bindir)
985 $(call print_var,libdir)
986 $(call print_var,sysconfdir)
987 $(call print_var,LIBUNWIND_DIR)
988 $(call print_var,LIBDW_DIR)
989 $(call print_var,JDIR)
991 ifeq ($(dwarf-post-unwind),1)
992 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
997 $(call detected_var,bindir_SQ)
998 $(call detected_var,PYTHON_WORD)
1000 $(call detected_var,OUTPUT)
1002 $(call detected_var,htmldir_SQ)
1003 $(call detected_var,infodir_SQ)
1004 $(call detected_var,mandir_SQ)
1005 $(call detected_var,ETC_PERFCONFIG_SQ)
1006 $(call detected_var,STRACE_GROUPS_DIR_SQ)
1007 $(call detected_var,prefix_SQ)
1008 $(call detected_var,perfexecdir_SQ)
1009 $(call detected_var,tipdir_SQ)
1010 $(call detected_var,srcdir_SQ)
1011 $(call detected_var,LIBDIR)
1012 $(call detected_var,GTK_CFLAGS)
1013 $(call detected_var,PERL_EMBED_CCOPTS)
1014 $(call detected_var,PYTHON_EMBED_CCOPTS)