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
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) --cflags 2>/dev/null)
211 PYTHON_EMBED_CCOPTS := $(filter-out -specs=%,$(PYTHON_EMBED_CCOPTS))
212 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
215 FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
216 FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
217 FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
218 FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
220 CFLAGS += -fno-omit-frame-pointer
222 CFLAGS += -funwind-tables
227 CXXFLAGS += -std=gnu++11 -fno-exceptions -fno-rtti
229 CXXFLAGS += -fno-omit-frame-pointer
231 CXXFLAGS += -funwind-tables
232 CXXFLAGS += -Wno-strict-aliasing
234 # Enforce a non-executable stack, as we may regress (again) in the future by
235 # adding assembler files missing the .GNU-stack linker note.
236 LDFLAGS += -Wl,-z,noexecstack
238 EXTLIBS = -lpthread -lrt -lm -ldl
240 ifeq ($(FEATURES_DUMP),)
241 include $(srctree)/tools/build/Makefile.feature
243 include $(FEATURES_DUMP)
246 ifeq ($(feature-stackprotector-all), 1)
247 CFLAGS += -fstack-protector-all
251 ifeq ($(feature-fortify-source), 1)
252 CFLAGS += -D_FORTIFY_SOURCE=2
256 INC_FLAGS += -I$(src-perf)/util/include
257 INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
258 INC_FLAGS += -I$(srctree)/tools/include/uapi
259 INC_FLAGS += -I$(srctree)/tools/include/
260 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
261 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
262 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
264 # $(obj-perf) for generated common-cmds.h
265 # $(obj-perf)/util for generated bison/flex headers
267 INC_FLAGS += -I$(obj-perf)/util
268 INC_FLAGS += -I$(obj-perf)
271 INC_FLAGS += -I$(src-perf)/util
272 INC_FLAGS += -I$(src-perf)
273 INC_FLAGS += -I$(srctree)/tools/lib/
275 CFLAGS += $(INC_FLAGS)
276 CXXFLAGS += $(INC_FLAGS)
278 CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
280 ifeq ($(feature-sync-compare-and-swap), 1)
281 CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
284 ifeq ($(feature-pthread-attr-setaffinity-np), 1)
285 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
288 ifeq ($(feature-pthread-barrier), 1)
289 CFLAGS += -DHAVE_PTHREAD_BARRIER
293 $(call feature_check,bionic)
294 ifeq ($(feature-bionic), 1)
296 EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
297 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
305 NO_LIBDW_DWARF_UNWIND := 1
309 ifeq ($(feature-libelf), 0)
310 ifeq ($(feature-glibc), 1)
316 ifeq ($(LIBC_SUPPORT),1)
317 msg := $(warning No libelf found. Disables 'probe' tool, jvmti and BPF support in 'perf record'. Please install libelf-dev, libelf-devel or elfutils-libelf-devel);
323 NO_LIBDW_DWARF_UNWIND := 1
327 ifneq ($(filter s% -static%,$(LDFLAGS),),)
328 msg := $(error No static glibc found, please install glibc-static);
330 msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
334 ifndef NO_LIBDW_DWARF_UNWIND
335 ifneq ($(feature-libdw-dwarf-unwind),1)
336 NO_LIBDW_DWARF_UNWIND := 1
337 msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
340 ifneq ($(feature-dwarf), 1)
342 msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
346 ifneq ($(feature-dwarf_getlocations), 1)
347 msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
349 CFLAGS += -DHAVE_DWARF_GETLOCATIONS
350 endif # dwarf_getlocations
351 endif # Dwarf support
352 endif # libelf support
356 NO_LIBDW_DWARF_UNWIND := 1
359 ifeq ($(feature-sched_getcpu), 1)
360 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
363 ifeq ($(feature-setns), 1)
364 CFLAGS += -DHAVE_SETNS_SUPPORT
365 $(call detected,CONFIG_SETNS)
369 ifeq ($(feature-libopencsd), 1)
370 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
371 LDFLAGS += $(LIBOPENCSD_LDFLAGS)
372 EXTLIBS += $(OPENCSDLIBS)
373 $(call detected,CONFIG_LIBOPENCSD)
375 CFLAGS += -DCS_DEBUG_RAW
376 ifeq (${CSTRACE_RAW}, packed)
377 CFLAGS += -DCS_RAW_PACKED
384 CFLAGS += -DHAVE_LIBELF_SUPPORT
386 $(call detected,CONFIG_LIBELF)
388 ifeq ($(feature-libelf-mmap), 1)
389 CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
392 ifeq ($(feature-libelf-getphdrnum), 1)
393 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
396 ifeq ($(feature-libelf-gelf_getnote), 1)
397 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
399 msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
402 ifeq ($(feature-libelf-getshdrstrndx), 1)
403 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
407 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
408 msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
411 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
412 LDFLAGS += $(LIBDW_LDFLAGS)
413 EXTLIBS += ${DWARFLIBS}
414 $(call detected,CONFIG_DWARF)
415 endif # PERF_HAVE_DWARF_REGS
419 ifeq ($(feature-bpf), 1)
420 CFLAGS += -DHAVE_LIBBPF_SUPPORT
421 $(call detected,CONFIG_LIBBPF)
425 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
426 CFLAGS += -DHAVE_BPF_PROLOGUE
427 $(call detected,CONFIG_BPF_PROLOGUE)
429 msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset());
432 msg := $(warning DWARF support is off, BPF prologue is disabled);
439 ifneq ($(feature-sdt), 1)
440 msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
443 CFLAGS += -DHAVE_SDT_EVENT
444 $(call detected,CONFIG_SDT_EVENT)
448 ifdef PERF_HAVE_JITDUMP
450 $(call detected,CONFIG_JITDUMP)
451 CFLAGS += -DHAVE_JITDUMP
455 ifeq ($(SRCARCH),powerpc)
457 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
464 ifeq ($(feature-libunwind-x86), 1)
465 $(call detected,CONFIG_LIBUNWIND_X86)
466 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
467 LDFLAGS += -lunwind-x86
468 EXTLIBS_LIBUNWIND += -lunwind-x86
472 ifeq ($(feature-libunwind-aarch64), 1)
473 $(call detected,CONFIG_LIBUNWIND_AARCH64)
474 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
475 LDFLAGS += -lunwind-aarch64
476 EXTLIBS_LIBUNWIND += -lunwind-aarch64
478 $(call feature_check,libunwind-debug-frame-aarch64)
479 ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
480 msg := $(warning No debug_frame support found in libunwind-aarch64);
481 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
485 ifneq ($(feature-libunwind), 1)
486 msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
487 NO_LOCAL_LIBUNWIND := 1
490 $(call detected,CONFIG_LOCAL_LIBUNWIND)
493 ifneq ($(have_libunwind), 1)
497 NO_LOCAL_LIBUNWIND := 1
501 ifneq ($(feature-bpf), 1)
502 msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
507 dwarf-post-unwind := 1
508 dwarf-post-unwind-text := BUG
510 # setup DWARF post unwinder
512 ifdef NO_LIBDW_DWARF_UNWIND
513 msg := $(warning Disabling post unwind, no support found.);
514 dwarf-post-unwind := 0
516 dwarf-post-unwind-text := libdw
517 $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
520 dwarf-post-unwind-text := libunwind
521 $(call detected,CONFIG_LIBUNWIND)
522 # Enable libunwind support by default.
523 ifndef NO_LIBDW_DWARF_UNWIND
524 NO_LIBDW_DWARF_UNWIND := 1
528 ifeq ($(dwarf-post-unwind),1)
529 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
530 $(call detected,CONFIG_DWARF_UNWIND)
535 ifndef NO_LOCAL_LIBUNWIND
536 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
537 $(call feature_check,libunwind-debug-frame)
538 ifneq ($(feature-libunwind-debug-frame), 1)
539 msg := $(warning No debug_frame support found in libunwind);
540 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
543 # non-ARM has no dwarf_find_debug_frame() function:
544 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
546 EXTLIBS += $(LIBUNWIND_LIBS)
547 LDFLAGS += $(LIBUNWIND_LIBS)
549 ifeq ($(findstring -static,${LDFLAGS}),-static)
550 # gcc -static links libgcc_eh which contans piece of libunwind
551 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
555 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
556 CFLAGS += $(LIBUNWIND_CFLAGS)
557 LDFLAGS += $(LIBUNWIND_LDFLAGS)
558 EXTLIBS += $(EXTLIBS_LIBUNWIND)
561 ifeq ($(NO_SYSCALL_TABLE),0)
562 $(call detected,CONFIG_TRACE)
565 ifneq ($(feature-libaudit), 1)
566 msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
569 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
571 $(call detected,CONFIG_TRACE)
577 ifneq ($(feature-libcrypto), 1)
578 msg := $(warning No libcrypto.h found, disables jitted code injection, please install libssl-devel or libssl-dev);
581 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
583 $(call detected,CONFIG_CRYPTO)
592 ifneq ($(feature-libslang), 1)
593 msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
596 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
597 CFLAGS += -I/usr/include/slang
598 CFLAGS += -DHAVE_SLANG_SUPPORT
600 $(call detected,CONFIG_SLANG)
605 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
606 ifneq ($(feature-gtk2), 1)
607 msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
610 ifeq ($(feature-gtk2-infobar), 1)
611 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
613 CFLAGS += -DHAVE_GTK2_SUPPORT
614 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
615 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
621 CFLAGS += -DNO_LIBPERL
623 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
624 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
625 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
626 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
627 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
628 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
629 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
631 ifneq ($(feature-libperl), 1)
632 CFLAGS += -DNO_LIBPERL
634 msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
636 LDFLAGS += $(PERL_EMBED_LDFLAGS)
637 EXTLIBS += $(PERL_EMBED_LIBADD)
638 $(call detected,CONFIG_LIBPERL)
642 ifeq ($(feature-timerfd), 1)
643 CFLAGS += -DHAVE_TIMERFD_SUPPORT
645 msg := $(warning No timerfd support. Disables 'perf kvm stat live');
648 disable-python = $(eval $(disable-python_code))
649 define disable-python_code
650 CFLAGS += -DNO_LIBPYTHON
656 $(call disable-python,Python support disabled by user)
660 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
662 PYTHON_WORD := $(call shell-wordify,$(PYTHON))
665 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
668 ifneq ($(feature-libpython), 1)
669 $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
671 LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
672 EXTLIBS += $(PYTHON_EMBED_LIBADD)
673 LANG_BINDINGS += $(obj-perf)python/perf.so
674 $(call detected,CONFIG_LIBPYTHON)
680 ifeq ($(feature-libbfd), 1)
683 # call all detections now so we get correct
684 # status in VF output
685 $(call feature_check,liberty)
686 $(call feature_check,liberty-z)
687 $(call feature_check,cplus-demangle)
689 ifeq ($(feature-liberty), 1)
692 ifeq ($(feature-liberty-z), 1)
693 EXTLIBS += -liberty -lz
699 CFLAGS += -DNO_DEMANGLE
701 ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
703 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
705 ifneq ($(feature-libbfd), 1)
706 ifneq ($(feature-liberty), 1)
707 ifneq ($(feature-liberty-z), 1)
708 # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
709 # or any of 'bfd iberty z' trinity
710 ifeq ($(feature-cplus-demangle), 1)
712 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
714 msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
715 CFLAGS += -DNO_DEMANGLE
723 ifneq ($(filter -lbfd,$(EXTLIBS)),)
724 CFLAGS += -DHAVE_LIBBFD_SUPPORT
728 ifeq ($(feature-zlib), 1)
729 CFLAGS += -DHAVE_ZLIB_SUPPORT
731 $(call detected,CONFIG_ZLIB)
738 ifeq ($(feature-lzma), 1)
739 CFLAGS += -DHAVE_LZMA_SUPPORT
741 $(call detected,CONFIG_LZMA)
743 msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
749 ifeq ($(feature-backtrace), 1)
750 CFLAGS += -DHAVE_BACKTRACE_SUPPORT
755 ifeq ($(feature-libnuma), 0)
756 msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
759 ifeq ($(feature-numa_num_possible_cpus), 0)
760 msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
763 CFLAGS += -DHAVE_LIBNUMA_SUPPORT
765 $(call detected,CONFIG_NUMA)
770 ifdef HAVE_KVM_STAT_SUPPORT
771 CFLAGS += -DHAVE_KVM_STAT_SUPPORT
774 ifeq (${IS_64_BIT}, 1)
775 ifndef NO_PERF_READ_VDSO32
776 $(call feature_check,compile-32)
777 ifeq ($(feature-compile-32), 1)
778 CFLAGS += -DHAVE_PERF_READ_VDSO32
780 NO_PERF_READ_VDSO32 := 1
783 ifneq ($(SRCARCH), x86)
784 NO_PERF_READ_VDSOX32 := 1
786 ifndef NO_PERF_READ_VDSOX32
787 $(call feature_check,compile-x32)
788 ifeq ($(feature-compile-x32), 1)
789 CFLAGS += -DHAVE_PERF_READ_VDSOX32
791 NO_PERF_READ_VDSOX32 := 1
795 NO_PERF_READ_VDSO32 := 1
796 NO_PERF_READ_VDSOX32 := 1
799 ifndef NO_LIBBABELTRACE
800 $(call feature_check,libbabeltrace)
801 ifeq ($(feature-libbabeltrace), 1)
802 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
803 LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
804 EXTLIBS += -lbabeltrace-ctf
805 $(call detected,CONFIG_LIBBABELTRACE)
807 msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
812 ifeq ($(SRCARCH),x86)
813 ifeq ($(feature-get_cpuid), 0)
814 msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
819 $(call detected,CONFIG_AUXTRACE)
820 CFLAGS += -DHAVE_AUXTRACE_SUPPORT
825 ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
826 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
828 ifneq (,$(wildcard /usr/sbin/alternatives))
829 JDIR=$(shell alternatives --display java | tail -1 | cut -d' ' -f 5 | sed 's%/jre/bin/java.%%g')
833 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
839 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
840 $(call feature_check,jvmti)
841 ifeq ($(feature-jvmti), 1)
842 $(call detected_var,JDIR)
844 $(warning No openjdk development package found, please install JDK package)
852 $(call feature_check,cxx)
853 ifneq ($(feature-cxx), 1)
854 msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
856 $(call feature_check,llvm)
857 $(call feature_check,llvm-version)
858 ifneq ($(feature-llvm), 1)
859 msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
861 $(call feature_check,clang)
862 ifneq ($(feature-clang), 1)
863 msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
865 CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
866 CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
867 $(call detected,CONFIG_CXX)
868 $(call detected,CONFIG_CLANGLLVM)
872 ifneq ($(feature-llvm-version),1)
873 msg := $(warning This version of LLVM is not tested. May cause build errors)
880 # Among the variables below, these:
886 # ETC_PERFCONFIG (but not sysconfdir)
887 # can be specified as a relative path some/where/else;
888 # this is interpreted as relative to $(prefix) and "perf" at
889 # runtime figures out where they are based on the path to the executable.
890 # This can help installing the suite in a relocatable way.
892 # Make the path relative to DESTDIR, not to prefix
896 bindir_relative = bin
897 bindir = $(abspath $(prefix)/$(bindir_relative))
900 perfexecdir = libexec/perf-core
901 sharedir = $(prefix)/share
902 template_dir = share/perf-core/templates
903 STRACE_GROUPS_DIR = share/perf-core/strace/groups
904 htmldir = share/doc/perf-doc
905 tipdir = share/doc/perf-tip
906 srcdir = $(srctree)/tools/perf
907 ifeq ($(prefix),/usr)
909 ETC_PERFCONFIG = $(sysconfdir)/perfconfig
911 sysconfdir = $(prefix)/etc
912 ETC_PERFCONFIG = etc/perfconfig
915 ifeq ($(SRCARCH)$(IS_64_BIT), x861)
921 libdir = $(prefix)/$(lib)
923 # Shell quote (do not use $(call) to accommodate ancient setups);
924 ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
925 STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
926 DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
927 bindir_SQ = $(subst ','\'',$(bindir))
928 mandir_SQ = $(subst ','\'',$(mandir))
929 infodir_SQ = $(subst ','\'',$(infodir))
930 perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
931 template_dir_SQ = $(subst ','\'',$(template_dir))
932 htmldir_SQ = $(subst ','\'',$(htmldir))
933 tipdir_SQ = $(subst ','\'',$(tipdir))
934 prefix_SQ = $(subst ','\'',$(prefix))
935 sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
936 libdir_SQ = $(subst ','\'',$(libdir))
937 srcdir_SQ = $(subst ','\'',$(srcdir))
939 ifneq ($(filter /%,$(firstword $(perfexecdir))),)
940 perfexec_instdir = $(perfexecdir)
941 STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
942 tip_instdir = $(tipdir)
944 perfexec_instdir = $(prefix)/$(perfexecdir)
945 STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
946 tip_instdir = $(prefix)/$(tipdir)
948 perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
949 STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
950 tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
952 # If we install to $(HOME) we keep the traceevent default:
953 # $(HOME)/.traceevent/plugins
954 # Otherwise we install plugins into the global $(libdir).
956 plugindir=$(libdir)/traceevent/plugins
957 plugindir_SQ= $(subst ','\'',$(plugindir))
960 print_var = $(eval $(print_var_code)) $(info $(MSG))
961 define print_var_code
962 MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
966 # Display EXTRA features which are detected manualy
967 # from here with feature_check call and thus cannot
968 # be partof global state output.
969 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),))
970 $(call print_var,prefix)
971 $(call print_var,bindir)
972 $(call print_var,libdir)
973 $(call print_var,sysconfdir)
974 $(call print_var,LIBUNWIND_DIR)
975 $(call print_var,LIBDW_DIR)
976 $(call print_var,JDIR)
978 ifeq ($(dwarf-post-unwind),1)
979 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
984 $(call detected_var,bindir_SQ)
985 $(call detected_var,PYTHON_WORD)
987 $(call detected_var,OUTPUT)
989 $(call detected_var,htmldir_SQ)
990 $(call detected_var,infodir_SQ)
991 $(call detected_var,mandir_SQ)
992 $(call detected_var,ETC_PERFCONFIG_SQ)
993 $(call detected_var,STRACE_GROUPS_DIR_SQ)
994 $(call detected_var,prefix_SQ)
995 $(call detected_var,perfexecdir_SQ)
996 $(call detected_var,tipdir_SQ)
997 $(call detected_var,srcdir_SQ)
998 $(call detected_var,LIBDIR)
999 $(call detected_var,GTK_CFLAGS)
1000 $(call detected_var,PERL_EMBED_CCOPTS)
1001 $(call detected_var,PYTHON_EMBED_CCOPTS)