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
151 PARSER_DEBUG_BISON := -t
152 PARSER_DEBUG_FLEX := -d
153 CFLAGS += -DPARSER_DEBUG
154 $(call detected_var,PARSER_DEBUG_BISON)
155 $(call detected_var,PARSER_DEBUG_FLEX)
158 # Try different combinations to accommodate systems that only have
159 # python[2][-config] in weird combinations but always preferring
160 # python2 and python2-config as per pep-0394. If we catch a
161 # python[-config] in version 3, the version check will kill it.
162 PYTHON2 := $(if $(call get-executable,python2),python2,python)
163 override PYTHON := $(call get-executable-or-default,PYTHON,$(PYTHON2))
165 $(if $(call get-executable,$(PYTHON)-config),$(PYTHON)-config,python-config)
166 override PYTHON_CONFIG := \
167 $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON2_CONFIG))
169 PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
171 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
172 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
174 FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
175 FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
176 FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
177 FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
179 CFLAGS += -fno-omit-frame-pointer
181 CFLAGS += -funwind-tables
186 CXXFLAGS += -std=gnu++11 -fno-exceptions -fno-rtti
188 CXXFLAGS += -fno-omit-frame-pointer
190 CXXFLAGS += -funwind-tables
191 CXXFLAGS += -Wno-strict-aliasing
193 # Enforce a non-executable stack, as we may regress (again) in the future by
194 # adding assembler files missing the .GNU-stack linker note.
195 LDFLAGS += -Wl,-z,noexecstack
197 EXTLIBS = -lpthread -lrt -lm -ldl
199 ifeq ($(FEATURES_DUMP),)
200 include $(srctree)/tools/build/Makefile.feature
202 include $(FEATURES_DUMP)
205 ifeq ($(feature-stackprotector-all), 1)
206 CFLAGS += -fstack-protector-all
210 ifeq ($(feature-fortify-source), 1)
211 CFLAGS += -D_FORTIFY_SOURCE=2
215 INC_FLAGS += -I$(src-perf)/util/include
216 INC_FLAGS += -I$(src-perf)/arch/$(ARCH)/include
217 INC_FLAGS += -I$(srctree)/tools/include/uapi
218 INC_FLAGS += -I$(srctree)/tools/include/
219 INC_FLAGS += -I$(srctree)/tools/arch/$(ARCH)/include/uapi
220 INC_FLAGS += -I$(srctree)/tools/arch/$(ARCH)/include/
221 INC_FLAGS += -I$(srctree)/tools/arch/$(ARCH)/
223 # $(obj-perf) for generated common-cmds.h
224 # $(obj-perf)/util for generated bison/flex headers
226 INC_FLAGS += -I$(obj-perf)/util
227 INC_FLAGS += -I$(obj-perf)
230 INC_FLAGS += -I$(src-perf)/util
231 INC_FLAGS += -I$(src-perf)
232 INC_FLAGS += -I$(srctree)/tools/lib/
234 CFLAGS += $(INC_FLAGS)
235 CXXFLAGS += $(INC_FLAGS)
237 CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
239 ifeq ($(feature-sync-compare-and-swap), 1)
240 CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
243 ifeq ($(feature-pthread-attr-setaffinity-np), 1)
244 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
248 $(call feature_check,bionic)
249 ifeq ($(feature-bionic), 1)
251 EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
252 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
260 NO_LIBDW_DWARF_UNWIND := 1
263 ifeq ($(feature-libelf), 0)
264 ifeq ($(feature-glibc), 1)
270 ifeq ($(LIBC_SUPPORT),1)
271 msg := $(warning No libelf found, disables 'probe' tool and BPF support in 'perf record', please install libelf-dev, libelf-devel or elfutils-libelf-devel);
277 NO_LIBDW_DWARF_UNWIND := 1
280 ifneq ($(filter s% -static%,$(LDFLAGS),),)
281 msg := $(error No static glibc found, please install glibc-static);
283 msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
287 ifndef NO_LIBDW_DWARF_UNWIND
288 ifneq ($(feature-libdw-dwarf-unwind),1)
289 NO_LIBDW_DWARF_UNWIND := 1
290 msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
293 ifneq ($(feature-dwarf), 1)
295 msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
299 ifneq ($(feature-dwarf_getlocations), 1)
300 msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
302 CFLAGS += -DHAVE_DWARF_GETLOCATIONS
303 endif # dwarf_getlocations
304 endif # Dwarf support
305 endif # libelf support
309 NO_LIBDW_DWARF_UNWIND := 1
313 CFLAGS += -DHAVE_LIBELF_SUPPORT
315 $(call detected,CONFIG_LIBELF)
317 ifeq ($(feature-libelf-mmap), 1)
318 CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
321 ifeq ($(feature-libelf-getphdrnum), 1)
322 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
325 ifeq ($(feature-libelf-gelf_getnote), 1)
326 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
328 msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
331 ifeq ($(feature-libelf-getshdrstrndx), 1)
332 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
336 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
337 msg := $(warning DWARF register mappings have not been defined for architecture $(ARCH), DWARF support disabled);
340 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
341 LDFLAGS += $(LIBDW_LDFLAGS)
343 ifeq ($(findstring -static,${LDFLAGS}),-static)
344 DWARFLIBS += -lelf -lebl -lz -llzma -lbz2
346 EXTLIBS += ${DWARFLIBS}
347 $(call detected,CONFIG_DWARF)
348 endif # PERF_HAVE_DWARF_REGS
352 ifeq ($(feature-bpf), 1)
353 CFLAGS += -DHAVE_LIBBPF_SUPPORT
354 $(call detected,CONFIG_LIBBPF)
358 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
359 CFLAGS += -DHAVE_BPF_PROLOGUE
360 $(call detected,CONFIG_BPF_PROLOGUE)
362 msg := $(warning BPF prologue is not supported by architecture $(ARCH), missing regs_query_register_offset());
365 msg := $(warning DWARF support is off, BPF prologue is disabled);
372 ifneq ($(feature-sdt), 1)
373 msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
376 CFLAGS += -DHAVE_SDT_EVENT
377 $(call detected,CONFIG_SDT_EVENT)
381 ifdef PERF_HAVE_JITDUMP
383 $(call detected,CONFIG_JITDUMP)
384 CFLAGS += -DHAVE_JITDUMP
388 ifeq ($(ARCH),powerpc)
390 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
397 ifeq ($(feature-libunwind-x86), 1)
398 $(call detected,CONFIG_LIBUNWIND_X86)
399 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
400 LDFLAGS += -lunwind-x86
401 EXTLIBS_LIBUNWIND += -lunwind-x86
405 ifeq ($(feature-libunwind-aarch64), 1)
406 $(call detected,CONFIG_LIBUNWIND_AARCH64)
407 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
408 LDFLAGS += -lunwind-aarch64
409 EXTLIBS_LIBUNWIND += -lunwind-aarch64
411 $(call feature_check,libunwind-debug-frame-aarch64)
412 ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
413 msg := $(warning No debug_frame support found in libunwind-aarch64);
414 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
418 ifneq ($(feature-libunwind), 1)
419 msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
420 NO_LOCAL_LIBUNWIND := 1
423 $(call detected,CONFIG_LOCAL_LIBUNWIND)
426 ifneq ($(have_libunwind), 1)
430 NO_LOCAL_LIBUNWIND := 1
434 ifneq ($(feature-bpf), 1)
435 msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
440 dwarf-post-unwind := 1
441 dwarf-post-unwind-text := BUG
443 # setup DWARF post unwinder
445 ifdef NO_LIBDW_DWARF_UNWIND
446 msg := $(warning Disabling post unwind, no support found.);
447 dwarf-post-unwind := 0
449 dwarf-post-unwind-text := libdw
450 $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
453 dwarf-post-unwind-text := libunwind
454 $(call detected,CONFIG_LIBUNWIND)
455 # Enable libunwind support by default.
456 ifndef NO_LIBDW_DWARF_UNWIND
457 NO_LIBDW_DWARF_UNWIND := 1
461 ifeq ($(dwarf-post-unwind),1)
462 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
463 $(call detected,CONFIG_DWARF_UNWIND)
468 ifndef NO_LOCAL_LIBUNWIND
469 ifeq ($(ARCH),$(filter $(ARCH),arm arm64))
470 $(call feature_check,libunwind-debug-frame)
471 ifneq ($(feature-libunwind-debug-frame), 1)
472 msg := $(warning No debug_frame support found in libunwind);
473 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
476 # non-ARM has no dwarf_find_debug_frame() function:
477 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
479 EXTLIBS += $(LIBUNWIND_LIBS)
480 LDFLAGS += $(LIBUNWIND_LIBS)
484 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
485 CFLAGS += $(LIBUNWIND_CFLAGS)
486 LDFLAGS += $(LIBUNWIND_LDFLAGS)
487 EXTLIBS += $(EXTLIBS_LIBUNWIND)
491 ifneq ($(feature-libaudit), 1)
492 msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
495 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
497 $(call detected,CONFIG_AUDIT)
502 ifneq ($(feature-libcrypto), 1)
503 msg := $(warning No libcrypto.h found, disables jitted code injection, please install libssl-devel or libssl-dev);
506 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
508 $(call detected,CONFIG_CRYPTO)
517 ifneq ($(feature-libslang), 1)
518 msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
521 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
522 CFLAGS += -I/usr/include/slang
523 CFLAGS += -DHAVE_SLANG_SUPPORT
525 $(call detected,CONFIG_SLANG)
530 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
531 ifneq ($(feature-gtk2), 1)
532 msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
535 ifeq ($(feature-gtk2-infobar), 1)
536 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
538 CFLAGS += -DHAVE_GTK2_SUPPORT
539 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
540 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
545 grep-libs = $(filter -l%,$(1))
546 strip-libs = $(filter-out -l%,$(1))
549 CFLAGS += -DNO_LIBPERL
551 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
552 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
553 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
554 PERL_EMBED_CCOPTS = `perl -MExtUtils::Embed -e ccopts 2>/dev/null`
555 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
557 ifneq ($(feature-libperl), 1)
558 CFLAGS += -DNO_LIBPERL
560 msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
562 LDFLAGS += $(PERL_EMBED_LDFLAGS)
563 EXTLIBS += $(PERL_EMBED_LIBADD)
564 $(call detected,CONFIG_LIBPERL)
568 ifeq ($(feature-timerfd), 1)
569 CFLAGS += -DHAVE_TIMERFD_SUPPORT
571 msg := $(warning No timerfd support. Disables 'perf kvm stat live');
574 disable-python = $(eval $(disable-python_code))
575 define disable-python_code
576 CFLAGS += -DNO_LIBPYTHON
582 $(call disable-python,Python support disabled by user)
586 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
588 PYTHON_WORD := $(call shell-wordify,$(PYTHON))
591 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
594 PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
596 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
597 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
598 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
599 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
600 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
602 ifneq ($(feature-libpython), 1)
603 $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
606 ifneq ($(feature-libpython-version), 1)
607 $(warning Python 3 is not yet supported; please set)
608 $(warning PYTHON and/or PYTHON_CONFIG appropriately.)
609 $(warning If you also have Python 2 installed, then)
610 $(warning try something like:)
612 $(warning $(and ,) make PYTHON=python2)
614 $(warning Otherwise, disable Python support entirely:)
616 $(warning $(and ,) make NO_LIBPYTHON=1)
620 LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
621 EXTLIBS += $(PYTHON_EMBED_LIBADD)
622 LANG_BINDINGS += $(obj-perf)python/perf.so
623 $(call detected,CONFIG_LIBPYTHON)
630 ifeq ($(feature-libbfd), 1)
633 # call all detections now so we get correct
634 # status in VF output
635 $(call feature_check,liberty)
636 $(call feature_check,liberty-z)
637 $(call feature_check,cplus-demangle)
639 ifeq ($(feature-liberty), 1)
642 ifeq ($(feature-liberty-z), 1)
643 EXTLIBS += -liberty -lz
649 CFLAGS += -DNO_DEMANGLE
651 ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
653 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
655 ifneq ($(feature-libbfd), 1)
656 ifneq ($(feature-liberty), 1)
657 ifneq ($(feature-liberty-z), 1)
658 # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
659 # or any of 'bfd iberty z' trinity
660 ifeq ($(feature-cplus-demangle), 1)
662 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
664 msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
665 CFLAGS += -DNO_DEMANGLE
673 ifneq ($(filter -lbfd,$(EXTLIBS)),)
674 CFLAGS += -DHAVE_LIBBFD_SUPPORT
678 ifeq ($(feature-zlib), 1)
679 CFLAGS += -DHAVE_ZLIB_SUPPORT
681 $(call detected,CONFIG_ZLIB)
688 ifeq ($(feature-lzma), 1)
689 CFLAGS += -DHAVE_LZMA_SUPPORT
691 $(call detected,CONFIG_LZMA)
693 msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
699 ifeq ($(feature-backtrace), 1)
700 CFLAGS += -DHAVE_BACKTRACE_SUPPORT
705 ifeq ($(feature-libnuma), 0)
706 msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
709 ifeq ($(feature-numa_num_possible_cpus), 0)
710 msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
713 CFLAGS += -DHAVE_LIBNUMA_SUPPORT
715 $(call detected,CONFIG_NUMA)
720 ifdef HAVE_KVM_STAT_SUPPORT
721 CFLAGS += -DHAVE_KVM_STAT_SUPPORT
724 ifeq (${IS_64_BIT}, 1)
725 ifndef NO_PERF_READ_VDSO32
726 $(call feature_check,compile-32)
727 ifeq ($(feature-compile-32), 1)
728 CFLAGS += -DHAVE_PERF_READ_VDSO32
730 NO_PERF_READ_VDSO32 := 1
734 NO_PERF_READ_VDSOX32 := 1
736 ifndef NO_PERF_READ_VDSOX32
737 $(call feature_check,compile-x32)
738 ifeq ($(feature-compile-x32), 1)
739 CFLAGS += -DHAVE_PERF_READ_VDSOX32
741 NO_PERF_READ_VDSOX32 := 1
745 NO_PERF_READ_VDSO32 := 1
746 NO_PERF_READ_VDSOX32 := 1
750 $(call feature_check,libbabeltrace)
751 ifeq ($(feature-libbabeltrace), 1)
752 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
753 LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
754 EXTLIBS += -lbabeltrace-ctf
755 $(call detected,CONFIG_LIBBABELTRACE)
757 msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
763 ifeq ($(feature-get_cpuid), 0)
764 msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
769 $(call detected,CONFIG_AUXTRACE)
770 CFLAGS += -DHAVE_AUXTRACE_SUPPORT
775 ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
776 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
778 ifneq (,$(wildcard /usr/sbin/alternatives))
779 JDIR=$(shell alternatives --display java | tail -1 | cut -d' ' -f 5 | sed 's%/jre/bin/java.%%g')
783 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
789 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
790 $(call feature_check,jvmti)
791 ifeq ($(feature-jvmti), 1)
792 $(call detected_var,JDIR)
794 $(warning No openjdk development package found, please install JDK package)
802 $(call feature_check,cxx)
803 ifneq ($(feature-cxx), 1)
804 msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
806 $(call feature_check,llvm)
807 $(call feature_check,llvm-version)
808 ifneq ($(feature-llvm), 1)
809 msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
811 $(call feature_check,clang)
812 ifneq ($(feature-clang), 1)
813 msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
815 CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
816 CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
817 $(call detected,CONFIG_CXX)
818 $(call detected,CONFIG_CLANGLLVM)
822 ifneq ($(feature-llvm-version),1)
823 msg := $(warning This version of LLVM is not tested. May cause build errors)
830 # Among the variables below, these:
836 # ETC_PERFCONFIG (but not sysconfdir)
837 # can be specified as a relative path some/where/else;
838 # this is interpreted as relative to $(prefix) and "perf" at
839 # runtime figures out where they are based on the path to the executable.
840 # This can help installing the suite in a relocatable way.
842 # Make the path relative to DESTDIR, not to prefix
846 bindir_relative = bin
847 bindir = $(abspath $(prefix)/$(bindir_relative))
850 perfexecdir = libexec/perf-core
851 sharedir = $(prefix)/share
852 template_dir = share/perf-core/templates
853 STRACE_GROUPS_DIR = share/perf-core/strace/groups
854 htmldir = share/doc/perf-doc
855 tipdir = share/doc/perf-tip
856 srcdir = $(srctree)/tools/perf
857 ifeq ($(prefix),/usr)
859 ETC_PERFCONFIG = $(sysconfdir)/perfconfig
861 sysconfdir = $(prefix)/etc
862 ETC_PERFCONFIG = etc/perfconfig
865 ifeq ($(ARCH)$(IS_64_BIT), x861)
871 libdir = $(prefix)/$(lib)
873 # Shell quote (do not use $(call) to accommodate ancient setups);
874 ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
875 STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
876 DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
877 bindir_SQ = $(subst ','\'',$(bindir))
878 mandir_SQ = $(subst ','\'',$(mandir))
879 infodir_SQ = $(subst ','\'',$(infodir))
880 perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
881 template_dir_SQ = $(subst ','\'',$(template_dir))
882 htmldir_SQ = $(subst ','\'',$(htmldir))
883 tipdir_SQ = $(subst ','\'',$(tipdir))
884 prefix_SQ = $(subst ','\'',$(prefix))
885 sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
886 libdir_SQ = $(subst ','\'',$(libdir))
887 srcdir_SQ = $(subst ','\'',$(srcdir))
889 ifneq ($(filter /%,$(firstword $(perfexecdir))),)
890 perfexec_instdir = $(perfexecdir)
891 STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
892 tip_instdir = $(tipdir)
894 perfexec_instdir = $(prefix)/$(perfexecdir)
895 STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
896 tip_instdir = $(prefix)/$(tipdir)
898 perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
899 STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
900 tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
902 # If we install to $(HOME) we keep the traceevent default:
903 # $(HOME)/.traceevent/plugins
904 # Otherwise we install plugins into the global $(libdir).
906 plugindir=$(libdir)/traceevent/plugins
907 plugindir_SQ= $(subst ','\'',$(plugindir))
910 print_var = $(eval $(print_var_code)) $(info $(MSG))
911 define print_var_code
912 MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
916 $(call print_var,prefix)
917 $(call print_var,bindir)
918 $(call print_var,libdir)
919 $(call print_var,sysconfdir)
920 $(call print_var,LIBUNWIND_DIR)
921 $(call print_var,LIBDW_DIR)
922 $(call print_var,JDIR)
924 ifeq ($(dwarf-post-unwind),1)
925 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
930 $(call detected_var,bindir_SQ)
931 $(call detected_var,PYTHON_WORD)
933 $(call detected_var,OUTPUT)
935 $(call detected_var,htmldir_SQ)
936 $(call detected_var,infodir_SQ)
937 $(call detected_var,mandir_SQ)
938 $(call detected_var,ETC_PERFCONFIG_SQ)
939 $(call detected_var,STRACE_GROUPS_DIR_SQ)
940 $(call detected_var,prefix_SQ)
941 $(call detected_var,perfexecdir_SQ)
942 $(call detected_var,tipdir_SQ)
943 $(call detected_var,srcdir_SQ)
944 $(call detected_var,LIBDIR)
945 $(call detected_var,GTK_CFLAGS)
946 $(call detected_var,PERL_EMBED_CCOPTS)
947 $(call detected_var,PYTHON_EMBED_CCOPTS)