xref: /openbmc/linux/tools/perf/Makefile.config (revision b664e06d) 
1
2ifeq ($(src-perf),)
3src-perf := $(srctree)/tools/perf
4endif
5
6ifeq ($(obj-perf),)
7obj-perf := $(OUTPUT)
8endif
9
10ifneq ($(obj-perf),)
11obj-perf := $(abspath $(obj-perf))/
12endif
13
14$(shell printf "" > $(OUTPUT).config-detected)
15detected     = $(shell echo "$(1)=y"       >> $(OUTPUT).config-detected)
16detected_var = $(shell echo "$(1)=$($(1))" >> $(OUTPUT).config-detected)
17
18CFLAGS := $(EXTRA_CFLAGS) $(EXTRA_WARNINGS)
19
20include $(srctree)/tools/scripts/Makefile.arch
21
22$(call detected_var,SRCARCH)
23
24NO_PERF_REGS := 1
25NO_SYSCALL_TABLE := 1
26
27# Additional ARCH settings for ppc
28ifeq ($(SRCARCH),powerpc)
29  NO_PERF_REGS := 0
30  NO_SYSCALL_TABLE := 0
31  CFLAGS += -I$(OUTPUT)arch/powerpc/include/generated
32  LIBUNWIND_LIBS := -lunwind -lunwind-ppc64
33endif
34
35# Additional ARCH settings for x86
36ifeq ($(SRCARCH),x86)
37  $(call detected,CONFIG_X86)
38  ifeq (${IS_64_BIT}, 1)
39    NO_SYSCALL_TABLE := 0
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    $(call detected,CONFIG_X86_64)
44  else
45    LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind
46  endif
47  NO_PERF_REGS := 0
48endif
49
50ifeq ($(SRCARCH),arm)
51  NO_PERF_REGS := 0
52  LIBUNWIND_LIBS = -lunwind -lunwind-arm
53endif
54
55ifeq ($(SRCARCH),arm64)
56  NO_PERF_REGS := 0
57  NO_SYSCALL_TABLE := 0
58  CFLAGS += -I$(OUTPUT)arch/arm64/include/generated
59  LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
60endif
61
62ifeq ($(SRCARCH),csky)
63  NO_PERF_REGS := 0
64endif
65
66ifeq ($(ARCH),s390)
67  NO_PERF_REGS := 0
68  NO_SYSCALL_TABLE := 0
69  CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated
70endif
71
72ifeq ($(NO_PERF_REGS),0)
73  $(call detected,CONFIG_PERF_REGS)
74endif
75
76ifneq ($(NO_SYSCALL_TABLE),1)
77  CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT
78endif
79
80# So far there's only x86 and arm libdw unwind support merged in perf.
81# Disable it on all other architectures in case libdw unwind
82# support is detected in system. Add supported architectures
83# to the check.
84ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390 csky))
85  NO_LIBDW_DWARF_UNWIND := 1
86endif
87
88ifeq ($(LIBUNWIND_LIBS),)
89  NO_LIBUNWIND := 1
90endif
91#
92# For linking with debug library, run like:
93#
94#   make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
95#
96
97libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
98define libunwind_arch_set_flags_code
99  FEATURE_CHECK_CFLAGS-libunwind-$(1)  = -I$(LIBUNWIND_DIR)/include
100  FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
101endef
102
103ifdef LIBUNWIND_DIR
104  LIBUNWIND_CFLAGS  = -I$(LIBUNWIND_DIR)/include
105  LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
106  LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64
107  $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
108endif
109
110# Set per-feature check compilation flags
111FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
112FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
113FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
114FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
115
116FEATURE_CHECK_LDFLAGS-libunwind-arm = -lunwind -lunwind-arm
117FEATURE_CHECK_LDFLAGS-libunwind-aarch64 = -lunwind -lunwind-aarch64
118FEATURE_CHECK_LDFLAGS-libunwind-x86 = -lunwind -llzma -lunwind-x86
119FEATURE_CHECK_LDFLAGS-libunwind-x86_64 = -lunwind -llzma -lunwind-x86_64
120
121FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto
122
123ifdef CSINCLUDES
124  LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)
125endif
126OPENCSDLIBS := -lopencsd_c_api -lopencsd
127ifdef CSLIBS
128  LIBOPENCSD_LDFLAGS := -L$(CSLIBS)
129endif
130FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS)
131FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS)
132
133ifeq ($(NO_PERF_REGS),0)
134  CFLAGS += -DHAVE_PERF_REGS_SUPPORT
135endif
136
137# for linking with debug library, run like:
138# make DEBUG=1 LIBDW_DIR=/opt/libdw/
139ifdef LIBDW_DIR
140  LIBDW_CFLAGS  := -I$(LIBDW_DIR)/include
141  LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
142endif
143DWARFLIBS := -ldw
144ifeq ($(findstring -static,${LDFLAGS}),-static)
145  DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2
146endif
147FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
148FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS)
149
150# for linking with debug library, run like:
151# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
152ifdef LIBBABELTRACE_DIR
153  LIBBABELTRACE_CFLAGS  := -I$(LIBBABELTRACE_DIR)/include
154  LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
155endif
156FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
157FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
158
159ifdef LIBZSTD_DIR
160  LIBZSTD_CFLAGS  := -I$(LIBZSTD_DIR)/lib
161  LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib
162endif
163FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS)
164FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS)
165
166FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi
167# include ARCH specific config
168-include $(src-perf)/arch/$(SRCARCH)/Makefile
169
170ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
171  CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
172endif
173
174include $(srctree)/tools/scripts/utilities.mak
175
176ifeq ($(call get-executable,$(FLEX)),)
177  dummy := $(error Error: $(FLEX) is missing on this system, please install it)
178endif
179
180ifeq ($(call get-executable,$(BISON)),)
181  dummy := $(error Error: $(BISON) is missing on this system, please install it)
182endif
183
184# Treat warnings as errors unless directed not to
185ifneq ($(WERROR),0)
186  CFLAGS += -Werror
187  CXXFLAGS += -Werror
188endif
189
190ifndef DEBUG
191  DEBUG := 0
192endif
193
194ifeq ($(DEBUG),0)
195ifeq ($(CC_NO_CLANG), 0)
196  CFLAGS += -O3
197else
198  CFLAGS += -O6
199endif
200endif
201
202ifdef PARSER_DEBUG
203  PARSER_DEBUG_BISON := -t
204  PARSER_DEBUG_FLEX  := -d
205  CFLAGS             += -DPARSER_DEBUG
206  $(call detected_var,PARSER_DEBUG_BISON)
207  $(call detected_var,PARSER_DEBUG_FLEX)
208endif
209
210# Try different combinations to accommodate systems that only have
211# python[2][-config] in weird combinations but always preferring
212# python2 and python2-config as per pep-0394. If we catch a
213# python[-config] in version 3, the version check will kill it.
214PYTHON2 := $(if $(call get-executable,python2),python2,python)
215override PYTHON := $(call get-executable-or-default,PYTHON,$(PYTHON2))
216PYTHON2_CONFIG := \
217  $(if $(call get-executable,$(PYTHON)-config),$(PYTHON)-config,python-config)
218override PYTHON_CONFIG := \
219  $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON2_CONFIG))
220
221grep-libs  = $(filter -l%,$(1))
222strip-libs  = $(filter-out -l%,$(1))
223
224PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
225
226ifdef PYTHON_CONFIG
227  PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
228  PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
229  PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
230  PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null)
231  FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
232endif
233
234FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
235FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
236FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
237FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
238
239FEATURE_CHECK_LDFLAGS-libaio = -lrt
240
241FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes -ldl
242
243CFLAGS += -fno-omit-frame-pointer
244CFLAGS += -ggdb3
245CFLAGS += -funwind-tables
246CFLAGS += -Wall
247CFLAGS += -Wextra
248CFLAGS += -std=gnu99
249
250CXXFLAGS += -std=gnu++11 -fno-exceptions -fno-rtti
251CXXFLAGS += -Wall
252CXXFLAGS += -fno-omit-frame-pointer
253CXXFLAGS += -ggdb3
254CXXFLAGS += -funwind-tables
255CXXFLAGS += -Wno-strict-aliasing
256
257# Enforce a non-executable stack, as we may regress (again) in the future by
258# adding assembler files missing the .GNU-stack linker note.
259LDFLAGS += -Wl,-z,noexecstack
260
261EXTLIBS = -lpthread -lrt -lm -ldl
262
263ifeq ($(FEATURES_DUMP),)
264include $(srctree)/tools/build/Makefile.feature
265else
266include $(FEATURES_DUMP)
267endif
268
269ifeq ($(feature-stackprotector-all), 1)
270  CFLAGS += -fstack-protector-all
271endif
272
273ifeq ($(DEBUG),0)
274  ifeq ($(feature-fortify-source), 1)
275    CFLAGS += -D_FORTIFY_SOURCE=2
276  endif
277endif
278
279INC_FLAGS += -I$(src-perf)/util/include
280INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
281INC_FLAGS += -I$(srctree)/tools/include/uapi
282INC_FLAGS += -I$(srctree)/tools/include/
283INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
284INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
285INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
286
287# $(obj-perf)      for generated common-cmds.h
288# $(obj-perf)/util for generated bison/flex headers
289ifneq ($(OUTPUT),)
290INC_FLAGS += -I$(obj-perf)/util
291INC_FLAGS += -I$(obj-perf)
292endif
293
294INC_FLAGS += -I$(src-perf)/util
295INC_FLAGS += -I$(src-perf)
296INC_FLAGS += -I$(srctree)/tools/lib/
297
298CFLAGS   += $(INC_FLAGS)
299CXXFLAGS += $(INC_FLAGS)
300
301CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
302
303ifeq ($(feature-sync-compare-and-swap), 1)
304  CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
305endif
306
307ifeq ($(feature-pthread-attr-setaffinity-np), 1)
308  CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
309endif
310
311ifeq ($(feature-pthread-barrier), 1)
312  CFLAGS += -DHAVE_PTHREAD_BARRIER
313endif
314
315ifndef NO_BIONIC
316  $(call feature_check,bionic)
317  ifeq ($(feature-bionic), 1)
318    BIONIC := 1
319    CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE
320    CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE
321    EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
322    EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
323  endif
324endif
325
326ifeq ($(feature-eventfd), 1)
327  CFLAGS += -DHAVE_EVENTFD
328endif
329
330ifeq ($(feature-get_current_dir_name), 1)
331  CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME
332endif
333
334ifdef NO_LIBELF
335  NO_DWARF := 1
336  NO_DEMANGLE := 1
337  NO_LIBUNWIND := 1
338  NO_LIBDW_DWARF_UNWIND := 1
339  NO_LIBBPF := 1
340  NO_JVMTI := 1
341else
342  ifeq ($(feature-libelf), 0)
343    ifeq ($(feature-glibc), 1)
344      LIBC_SUPPORT := 1
345    endif
346    ifeq ($(BIONIC),1)
347      LIBC_SUPPORT := 1
348    endif
349    ifeq ($(LIBC_SUPPORT),1)
350      msg := $(warning No libelf found. Disables 'probe' tool, jvmti and BPF support in 'perf record'. Please install libelf-dev, libelf-devel or elfutils-libelf-devel);
351
352      NO_LIBELF := 1
353      NO_DWARF := 1
354      NO_DEMANGLE := 1
355      NO_LIBUNWIND := 1
356      NO_LIBDW_DWARF_UNWIND := 1
357      NO_LIBBPF := 1
358      NO_JVMTI := 1
359    else
360      ifneq ($(filter s% -static%,$(LDFLAGS),),)
361        msg := $(error No static glibc found, please install glibc-static);
362      else
363        msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
364      endif
365    endif
366  else
367    ifndef NO_LIBDW_DWARF_UNWIND
368      ifneq ($(feature-libdw-dwarf-unwind),1)
369        NO_LIBDW_DWARF_UNWIND := 1
370        msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
371      endif
372    endif
373    ifneq ($(feature-dwarf), 1)
374      ifndef NO_DWARF
375        msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
376        NO_DWARF := 1
377      endif
378    else
379      ifneq ($(feature-dwarf_getlocations), 1)
380        msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
381      else
382        CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT
383      endif # dwarf_getlocations
384    endif # Dwarf support
385  endif # libelf support
386endif # NO_LIBELF
387
388ifeq ($(feature-glibc), 1)
389  CFLAGS += -DHAVE_GLIBC_SUPPORT
390endif
391
392ifeq ($(feature-libaio), 1)
393  ifndef NO_AIO
394    CFLAGS += -DHAVE_AIO_SUPPORT
395  endif
396endif
397
398ifdef NO_DWARF
399  NO_LIBDW_DWARF_UNWIND := 1
400endif
401
402ifeq ($(feature-sched_getcpu), 1)
403  CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
404endif
405
406ifeq ($(feature-setns), 1)
407  CFLAGS += -DHAVE_SETNS_SUPPORT
408  $(call detected,CONFIG_SETNS)
409endif
410
411ifdef CORESIGHT
412  $(call feature_check,libopencsd)
413  ifeq ($(feature-libopencsd), 1)
414    CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
415    LDFLAGS += $(LIBOPENCSD_LDFLAGS)
416    EXTLIBS += $(OPENCSDLIBS)
417    $(call detected,CONFIG_LIBOPENCSD)
418    ifdef CSTRACE_RAW
419      CFLAGS += -DCS_DEBUG_RAW
420      ifeq (${CSTRACE_RAW}, packed)
421        CFLAGS += -DCS_RAW_PACKED
422      endif
423    endif
424  endif
425endif
426
427ifndef NO_LIBELF
428  CFLAGS += -DHAVE_LIBELF_SUPPORT
429  EXTLIBS += -lelf
430  $(call detected,CONFIG_LIBELF)
431
432  ifeq ($(feature-libelf-mmap), 1)
433    CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
434  endif
435
436  ifeq ($(feature-libelf-getphdrnum), 1)
437    CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
438  endif
439
440  ifeq ($(feature-libelf-gelf_getnote), 1)
441    CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
442  else
443    msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
444  endif
445
446  ifeq ($(feature-libelf-getshdrstrndx), 1)
447    CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
448  endif
449
450  ifndef NO_DWARF
451    ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
452      msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
453      NO_DWARF := 1
454    else
455      CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
456      LDFLAGS += $(LIBDW_LDFLAGS)
457      EXTLIBS += ${DWARFLIBS}
458      $(call detected,CONFIG_DWARF)
459    endif # PERF_HAVE_DWARF_REGS
460  endif # NO_DWARF
461
462  ifndef NO_LIBBPF
463    ifeq ($(feature-bpf), 1)
464      CFLAGS += -DHAVE_LIBBPF_SUPPORT
465      $(call detected,CONFIG_LIBBPF)
466    endif
467
468    ifndef NO_DWARF
469      ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
470        CFLAGS += -DHAVE_BPF_PROLOGUE
471        $(call detected,CONFIG_BPF_PROLOGUE)
472      else
473        msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset());
474      endif
475    else
476      msg := $(warning DWARF support is off, BPF prologue is disabled);
477    endif
478
479  endif # NO_LIBBPF
480endif # NO_LIBELF
481
482ifndef NO_SDT
483  ifneq ($(feature-sdt), 1)
484    msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
485    NO_SDT := 1;
486  else
487    CFLAGS += -DHAVE_SDT_EVENT
488    $(call detected,CONFIG_SDT_EVENT)
489  endif
490endif
491
492ifdef PERF_HAVE_JITDUMP
493  ifndef NO_LIBELF
494    $(call detected,CONFIG_JITDUMP)
495    CFLAGS += -DHAVE_JITDUMP
496  endif
497endif
498
499ifeq ($(SRCARCH),powerpc)
500  ifndef NO_DWARF
501    CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
502  endif
503endif
504
505ifndef NO_LIBUNWIND
506  have_libunwind :=
507
508  $(call feature_check,libunwind-x86)
509  ifeq ($(feature-libunwind-x86), 1)
510    $(call detected,CONFIG_LIBUNWIND_X86)
511    CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
512    LDFLAGS += -lunwind-x86
513    EXTLIBS_LIBUNWIND += -lunwind-x86
514    have_libunwind = 1
515  endif
516
517  $(call feature_check,libunwind-aarch64)
518  ifeq ($(feature-libunwind-aarch64), 1)
519    $(call detected,CONFIG_LIBUNWIND_AARCH64)
520    CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
521    LDFLAGS += -lunwind-aarch64
522    EXTLIBS_LIBUNWIND += -lunwind-aarch64
523    have_libunwind = 1
524    $(call feature_check,libunwind-debug-frame-aarch64)
525    ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
526      msg := $(warning No debug_frame support found in libunwind-aarch64);
527      CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
528    endif
529  endif
530
531  ifneq ($(feature-libunwind), 1)
532    msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
533    NO_LOCAL_LIBUNWIND := 1
534  else
535    have_libunwind := 1
536    $(call detected,CONFIG_LOCAL_LIBUNWIND)
537  endif
538
539  ifneq ($(have_libunwind), 1)
540    NO_LIBUNWIND := 1
541  endif
542else
543  NO_LOCAL_LIBUNWIND := 1
544endif
545
546ifndef NO_LIBBPF
547  ifneq ($(feature-bpf), 1)
548    msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
549    NO_LIBBPF := 1
550  endif
551endif
552
553dwarf-post-unwind := 1
554dwarf-post-unwind-text := BUG
555
556# setup DWARF post unwinder
557ifdef NO_LIBUNWIND
558  ifdef NO_LIBDW_DWARF_UNWIND
559    msg := $(warning Disabling post unwind, no support found.);
560    dwarf-post-unwind := 0
561  else
562    dwarf-post-unwind-text := libdw
563    $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
564  endif
565else
566  dwarf-post-unwind-text := libunwind
567  $(call detected,CONFIG_LIBUNWIND)
568  # Enable libunwind support by default.
569  ifndef NO_LIBDW_DWARF_UNWIND
570    NO_LIBDW_DWARF_UNWIND := 1
571  endif
572endif
573
574ifeq ($(dwarf-post-unwind),1)
575  CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
576  $(call detected,CONFIG_DWARF_UNWIND)
577else
578  NO_DWARF_UNWIND := 1
579endif
580
581ifndef NO_LOCAL_LIBUNWIND
582  ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
583    $(call feature_check,libunwind-debug-frame)
584    ifneq ($(feature-libunwind-debug-frame), 1)
585      msg := $(warning No debug_frame support found in libunwind);
586      CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
587    endif
588  else
589    # non-ARM has no dwarf_find_debug_frame() function:
590    CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
591  endif
592  EXTLIBS += $(LIBUNWIND_LIBS)
593  LDFLAGS += $(LIBUNWIND_LIBS)
594endif
595ifeq ($(findstring -static,${LDFLAGS}),-static)
596  # gcc -static links libgcc_eh which contans piece of libunwind
597  LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
598endif
599
600ifndef NO_LIBUNWIND
601  CFLAGS  += -DHAVE_LIBUNWIND_SUPPORT
602  CFLAGS  += $(LIBUNWIND_CFLAGS)
603  LDFLAGS += $(LIBUNWIND_LDFLAGS)
604  EXTLIBS += $(EXTLIBS_LIBUNWIND)
605endif
606
607ifeq ($(NO_SYSCALL_TABLE),0)
608  $(call detected,CONFIG_TRACE)
609else
610  ifndef NO_LIBAUDIT
611    ifneq ($(feature-libaudit), 1)
612      msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
613      NO_LIBAUDIT := 1
614    else
615      CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
616      EXTLIBS += -laudit
617      $(call detected,CONFIG_TRACE)
618    endif
619  endif
620endif
621
622ifndef NO_LIBCRYPTO
623  ifneq ($(feature-libcrypto), 1)
624    msg := $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev);
625    NO_LIBCRYPTO := 1
626  else
627    CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
628    EXTLIBS += -lcrypto
629    $(call detected,CONFIG_CRYPTO)
630  endif
631endif
632
633ifdef NO_NEWT
634  NO_SLANG=1
635endif
636
637ifndef NO_SLANG
638  ifneq ($(feature-libslang), 1)
639    msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
640    NO_SLANG := 1
641  else
642    # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
643    CFLAGS += -I/usr/include/slang
644    CFLAGS += -DHAVE_SLANG_SUPPORT
645    EXTLIBS += -lslang
646    $(call detected,CONFIG_SLANG)
647  endif
648endif
649
650ifndef NO_GTK2
651  FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
652  ifneq ($(feature-gtk2), 1)
653    msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
654    NO_GTK2 := 1
655  else
656    ifeq ($(feature-gtk2-infobar), 1)
657      GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
658    endif
659    CFLAGS += -DHAVE_GTK2_SUPPORT
660    GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
661    GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
662    EXTLIBS += -ldl
663  endif
664endif
665
666ifdef NO_LIBPERL
667  CFLAGS += -DNO_LIBPERL
668else
669  PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
670  PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
671  PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
672  PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
673  PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
674  PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
675  FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
676
677  ifneq ($(feature-libperl), 1)
678    CFLAGS += -DNO_LIBPERL
679    NO_LIBPERL := 1
680    msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
681  else
682    LDFLAGS += $(PERL_EMBED_LDFLAGS)
683    EXTLIBS += $(PERL_EMBED_LIBADD)
684    CFLAGS += -DHAVE_LIBPERL_SUPPORT
685    $(call detected,CONFIG_LIBPERL)
686  endif
687endif
688
689ifeq ($(feature-timerfd), 1)
690  CFLAGS += -DHAVE_TIMERFD_SUPPORT
691else
692  msg := $(warning No timerfd support. Disables 'perf kvm stat live');
693endif
694
695disable-python = $(eval $(disable-python_code))
696define disable-python_code
697  CFLAGS += -DNO_LIBPYTHON
698  $(warning $1)
699  NO_LIBPYTHON := 1
700endef
701
702ifdef NO_LIBPYTHON
703  $(call disable-python,Python support disabled by user)
704else
705
706  ifndef PYTHON
707    $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
708  else
709    PYTHON_WORD := $(call shell-wordify,$(PYTHON))
710
711    ifndef PYTHON_CONFIG
712      $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
713    else
714
715      ifneq ($(feature-libpython), 1)
716        $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
717      else
718         LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
719         EXTLIBS += $(PYTHON_EMBED_LIBADD)
720         LANG_BINDINGS += $(obj-perf)python/perf.so
721         CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
722         $(call detected,CONFIG_LIBPYTHON)
723      endif
724    endif
725  endif
726endif
727
728ifeq ($(feature-libbfd), 1)
729  EXTLIBS += -lbfd -lopcodes
730else
731  # we are on a system that requires -liberty and (maybe) -lz
732  # to link against -lbfd; test each case individually here
733
734  # call all detections now so we get correct
735  # status in VF output
736  $(call feature_check,libbfd-liberty)
737  $(call feature_check,libbfd-liberty-z)
738
739  ifeq ($(feature-libbfd-liberty), 1)
740    EXTLIBS += -lbfd -lopcodes -liberty
741    FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl
742  else
743    ifeq ($(feature-libbfd-liberty-z), 1)
744      EXTLIBS += -lbfd -lopcodes -liberty -lz
745      FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl
746    endif
747  endif
748  $(call feature_check,disassembler-four-args)
749endif
750
751ifdef NO_DEMANGLE
752  CFLAGS += -DNO_DEMANGLE
753else
754  ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
755    EXTLIBS += -liberty
756  else
757    ifeq ($(filter -liberty,$(EXTLIBS)),)
758      $(call feature_check,cplus-demangle)
759
760      # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
761      # or any of 'bfd iberty z' trinity
762      ifeq ($(feature-cplus-demangle), 1)
763        EXTLIBS += -liberty
764      else
765        msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
766        CFLAGS += -DNO_DEMANGLE
767      endif
768    endif
769  endif
770
771  ifneq ($(filter -liberty,$(EXTLIBS)),)
772    CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
773  endif
774endif
775
776ifneq ($(filter -lbfd,$(EXTLIBS)),)
777  CFLAGS += -DHAVE_LIBBFD_SUPPORT
778endif
779
780ifndef NO_ZLIB
781  ifeq ($(feature-zlib), 1)
782    CFLAGS += -DHAVE_ZLIB_SUPPORT
783    EXTLIBS += -lz
784    $(call detected,CONFIG_ZLIB)
785  else
786    NO_ZLIB := 1
787  endif
788endif
789
790ifndef NO_LZMA
791  ifeq ($(feature-lzma), 1)
792    CFLAGS += -DHAVE_LZMA_SUPPORT
793    EXTLIBS += -llzma
794    $(call detected,CONFIG_LZMA)
795  else
796    msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
797    NO_LZMA := 1
798  endif
799endif
800
801ifndef NO_LIBZSTD
802  ifeq ($(feature-libzstd), 1)
803    CFLAGS += -DHAVE_ZSTD_SUPPORT
804    CFLAGS += $(LIBZSTD_CFLAGS)
805    LDFLAGS += $(LIBZSTD_LDFLAGS)
806    EXTLIBS += -lzstd
807    $(call detected,CONFIG_ZSTD)
808  else
809    msg := $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR);
810    NO_LIBZSTD := 1
811  endif
812endif
813
814ifndef NO_BACKTRACE
815  ifeq ($(feature-backtrace), 1)
816    CFLAGS += -DHAVE_BACKTRACE_SUPPORT
817  endif
818endif
819
820ifndef NO_LIBNUMA
821  ifeq ($(feature-libnuma), 0)
822    msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
823    NO_LIBNUMA := 1
824  else
825    ifeq ($(feature-numa_num_possible_cpus), 0)
826      msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
827      NO_LIBNUMA := 1
828    else
829      CFLAGS += -DHAVE_LIBNUMA_SUPPORT
830      EXTLIBS += -lnuma
831      $(call detected,CONFIG_NUMA)
832    endif
833  endif
834endif
835
836ifdef HAVE_KVM_STAT_SUPPORT
837    CFLAGS += -DHAVE_KVM_STAT_SUPPORT
838endif
839
840ifeq ($(feature-disassembler-four-args), 1)
841    CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
842endif
843
844ifeq (${IS_64_BIT}, 1)
845  ifndef NO_PERF_READ_VDSO32
846    $(call feature_check,compile-32)
847    ifeq ($(feature-compile-32), 1)
848      CFLAGS += -DHAVE_PERF_READ_VDSO32
849    else
850      NO_PERF_READ_VDSO32 := 1
851    endif
852  endif
853  ifneq ($(SRCARCH), x86)
854    NO_PERF_READ_VDSOX32 := 1
855  endif
856  ifndef NO_PERF_READ_VDSOX32
857    $(call feature_check,compile-x32)
858    ifeq ($(feature-compile-x32), 1)
859      CFLAGS += -DHAVE_PERF_READ_VDSOX32
860    else
861      NO_PERF_READ_VDSOX32 := 1
862    endif
863  endif
864else
865  NO_PERF_READ_VDSO32 := 1
866  NO_PERF_READ_VDSOX32 := 1
867endif
868
869ifndef NO_LIBBABELTRACE
870  $(call feature_check,libbabeltrace)
871  ifeq ($(feature-libbabeltrace), 1)
872    CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
873    LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
874    EXTLIBS += -lbabeltrace-ctf
875    $(call detected,CONFIG_LIBBABELTRACE)
876  else
877    msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
878  endif
879endif
880
881ifndef NO_AUXTRACE
882  ifeq ($(SRCARCH),x86)
883    ifeq ($(feature-get_cpuid), 0)
884      msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
885      NO_AUXTRACE := 1
886    endif
887  endif
888  ifndef NO_AUXTRACE
889    $(call detected,CONFIG_AUXTRACE)
890    CFLAGS += -DHAVE_AUXTRACE_SUPPORT
891  endif
892endif
893
894ifndef NO_JVMTI
895  ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
896    JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
897  else
898    ifneq (,$(wildcard /usr/sbin/alternatives))
899      JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed 's%/jre/bin/java.%%g')
900    endif
901  endif
902  ifndef JDIR
903    $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
904    NO_JVMTI := 1
905  endif
906endif
907
908ifndef NO_JVMTI
909  FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
910  $(call feature_check,jvmti)
911  ifeq ($(feature-jvmti), 1)
912    $(call detected_var,JDIR)
913    ifndef NO_JVMTI_CMLR
914      FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti)
915      $(call feature_check,jvmti-cmlr)
916      ifeq ($(feature-jvmti-cmlr), 1)
917        CFLAGS += -DHAVE_JVMTI_CMLR
918      endif
919    endif # NO_JVMTI_CMLR
920  else
921    $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel)
922    NO_JVMTI := 1
923  endif
924endif
925
926USE_CXX = 0
927USE_CLANGLLVM = 0
928ifdef LIBCLANGLLVM
929  $(call feature_check,cxx)
930  ifneq ($(feature-cxx), 1)
931    msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
932  else
933    $(call feature_check,llvm)
934    $(call feature_check,llvm-version)
935    ifneq ($(feature-llvm), 1)
936      msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
937    else
938      $(call feature_check,clang)
939      ifneq ($(feature-clang), 1)
940        msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
941      else
942        CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
943        CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
944        $(call detected,CONFIG_CXX)
945        $(call detected,CONFIG_CLANGLLVM)
946	USE_CXX = 1
947	USE_LLVM = 1
948	USE_CLANG = 1
949        ifneq ($(feature-llvm-version),1)
950          msg := $(warning This version of LLVM is not tested. May cause build errors)
951        endif
952      endif
953    endif
954  endif
955endif
956
957# Among the variables below, these:
958#   perfexecdir
959#   perf_include_dir
960#   perf_examples_dir
961#   template_dir
962#   mandir
963#   infodir
964#   htmldir
965#   ETC_PERFCONFIG (but not sysconfdir)
966# can be specified as a relative path some/where/else;
967# this is interpreted as relative to $(prefix) and "perf" at
968# runtime figures out where they are based on the path to the executable.
969# This can help installing the suite in a relocatable way.
970
971# Make the path relative to DESTDIR, not to prefix
972ifndef DESTDIR
973prefix ?= $(HOME)
974endif
975bindir_relative = bin
976bindir = $(abspath $(prefix)/$(bindir_relative))
977mandir = share/man
978infodir = share/info
979perfexecdir = libexec/perf-core
980perf_include_dir = lib/perf/include
981perf_examples_dir = lib/perf/examples
982sharedir = $(prefix)/share
983template_dir = share/perf-core/templates
984STRACE_GROUPS_DIR = share/perf-core/strace/groups
985htmldir = share/doc/perf-doc
986tipdir = share/doc/perf-tip
987srcdir = $(srctree)/tools/perf
988ifeq ($(prefix),/usr)
989sysconfdir = /etc
990ETC_PERFCONFIG = $(sysconfdir)/perfconfig
991else
992sysconfdir = $(prefix)/etc
993ETC_PERFCONFIG = etc/perfconfig
994endif
995ifndef lib
996ifeq ($(SRCARCH)$(IS_64_BIT), x861)
997lib = lib64
998else
999lib = lib
1000endif
1001endif # lib
1002libdir = $(prefix)/$(lib)
1003
1004# Shell quote (do not use $(call) to accommodate ancient setups);
1005ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
1006STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
1007DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
1008bindir_SQ = $(subst ','\'',$(bindir))
1009mandir_SQ = $(subst ','\'',$(mandir))
1010infodir_SQ = $(subst ','\'',$(infodir))
1011perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
1012perf_include_dir_SQ = $(subst ','\'',$(perf_include_dir))
1013perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir))
1014template_dir_SQ = $(subst ','\'',$(template_dir))
1015htmldir_SQ = $(subst ','\'',$(htmldir))
1016tipdir_SQ = $(subst ','\'',$(tipdir))
1017prefix_SQ = $(subst ','\'',$(prefix))
1018sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
1019libdir_SQ = $(subst ','\'',$(libdir))
1020srcdir_SQ = $(subst ','\'',$(srcdir))
1021
1022ifneq ($(filter /%,$(firstword $(perfexecdir))),)
1023perfexec_instdir = $(perfexecdir)
1024perf_include_instdir = $(perf_include_dir)
1025perf_examples_instdir = $(perf_examples_dir)
1026STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
1027tip_instdir = $(tipdir)
1028else
1029perfexec_instdir = $(prefix)/$(perfexecdir)
1030perf_include_instdir = $(prefix)/$(perf_include_dir)
1031perf_examples_instdir = $(prefix)/$(perf_examples_dir)
1032STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
1033tip_instdir = $(prefix)/$(tipdir)
1034endif
1035perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
1036perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir))
1037perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir))
1038STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
1039tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
1040
1041# If we install to $(HOME) we keep the traceevent default:
1042# $(HOME)/.traceevent/plugins
1043# Otherwise we install plugins into the global $(libdir).
1044ifdef DESTDIR
1045plugindir=$(libdir)/traceevent/plugins
1046plugindir_SQ= $(subst ','\'',$(plugindir))
1047endif
1048
1049print_var = $(eval $(print_var_code)) $(info $(MSG))
1050define print_var_code
1051    MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
1052endef
1053
1054ifeq ($(VF),1)
1055  # Display EXTRA features which are detected manualy
1056  # from here with feature_check call and thus cannot
1057  # be partof global state output.
1058  $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),))
1059  $(call print_var,prefix)
1060  $(call print_var,bindir)
1061  $(call print_var,libdir)
1062  $(call print_var,sysconfdir)
1063  $(call print_var,LIBUNWIND_DIR)
1064  $(call print_var,LIBDW_DIR)
1065  $(call print_var,JDIR)
1066
1067  ifeq ($(dwarf-post-unwind),1)
1068    $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
1069  endif
1070  $(info )
1071endif
1072
1073$(call detected_var,bindir_SQ)
1074$(call detected_var,PYTHON_WORD)
1075ifneq ($(OUTPUT),)
1076$(call detected_var,OUTPUT)
1077endif
1078$(call detected_var,htmldir_SQ)
1079$(call detected_var,infodir_SQ)
1080$(call detected_var,mandir_SQ)
1081$(call detected_var,ETC_PERFCONFIG_SQ)
1082$(call detected_var,STRACE_GROUPS_DIR_SQ)
1083$(call detected_var,prefix_SQ)
1084$(call detected_var,perfexecdir_SQ)
1085$(call detected_var,perf_include_dir_SQ)
1086$(call detected_var,perf_examples_dir_SQ)
1087$(call detected_var,tipdir_SQ)
1088$(call detected_var,srcdir_SQ)
1089$(call detected_var,LIBDIR)
1090$(call detected_var,GTK_CFLAGS)
1091$(call detected_var,PERL_EMBED_CCOPTS)
1092$(call detected_var,PYTHON_EMBED_CCOPTS)
1093