xref: /linux/tools/perf/Makefile.config (revision 4d0f16d059ddb91424480d88473f7392f24aebdc) 
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 ($(ARCH),s390)
63  NO_PERF_REGS := 0
64  NO_SYSCALL_TABLE := 0
65  CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated
66endif
67
68ifeq ($(NO_PERF_REGS),0)
69  $(call detected,CONFIG_PERF_REGS)
70endif
71
72ifneq ($(NO_SYSCALL_TABLE),1)
73  CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT
74endif
75
76# So far there's only x86 and arm libdw unwind support merged in perf.
77# Disable it on all other architectures in case libdw unwind
78# support is detected in system. Add supported architectures
79# to the check.
80ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390))
81  NO_LIBDW_DWARF_UNWIND := 1
82endif
83
84ifeq ($(LIBUNWIND_LIBS),)
85  NO_LIBUNWIND := 1
86endif
87#
88# For linking with debug library, run like:
89#
90#   make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
91#
92
93libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
94define libunwind_arch_set_flags_code
95  FEATURE_CHECK_CFLAGS-libunwind-$(1)  = -I$(LIBUNWIND_DIR)/include
96  FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
97endef
98
99ifdef LIBUNWIND_DIR
100  LIBUNWIND_CFLAGS  = -I$(LIBUNWIND_DIR)/include
101  LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
102  LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64
103  $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
104endif
105
106# Set per-feature check compilation flags
107FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
108FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
109FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
110FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
111
112ifdef CSINCLUDES
113  LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)
114endif
115OPENCSDLIBS := -lopencsd_c_api -lopencsd
116ifdef CSLIBS
117  LIBOPENCSD_LDFLAGS := -L$(CSLIBS)
118endif
119FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS)
120FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS)
121
122ifeq ($(NO_PERF_REGS),0)
123  CFLAGS += -DHAVE_PERF_REGS_SUPPORT
124endif
125
126# for linking with debug library, run like:
127# make DEBUG=1 LIBDW_DIR=/opt/libdw/
128ifdef LIBDW_DIR
129  LIBDW_CFLAGS  := -I$(LIBDW_DIR)/include
130  LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
131endif
132DWARFLIBS := -ldw
133ifeq ($(findstring -static,${LDFLAGS}),-static)
134  DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2
135endif
136FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
137FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS)
138
139# for linking with debug library, run like:
140# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
141ifdef LIBBABELTRACE_DIR
142  LIBBABELTRACE_CFLAGS  := -I$(LIBBABELTRACE_DIR)/include
143  LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
144endif
145FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
146FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
147
148FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi
149# include ARCH specific config
150-include $(src-perf)/arch/$(SRCARCH)/Makefile
151
152ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
153  CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
154endif
155
156include $(srctree)/tools/scripts/utilities.mak
157
158ifeq ($(call get-executable,$(FLEX)),)
159  dummy := $(error Error: $(FLEX) is missing on this system, please install it)
160endif
161
162ifeq ($(call get-executable,$(BISON)),)
163  dummy := $(error Error: $(BISON) is missing on this system, please install it)
164endif
165
166# Treat warnings as errors unless directed not to
167ifneq ($(WERROR),0)
168  CFLAGS += -Werror
169  CXXFLAGS += -Werror
170endif
171
172ifndef DEBUG
173  DEBUG := 0
174endif
175
176ifeq ($(DEBUG),0)
177ifeq ($(CC_NO_CLANG), 0)
178  CFLAGS += -O3
179else
180  CFLAGS += -O6
181endif
182endif
183
184ifdef PARSER_DEBUG
185  PARSER_DEBUG_BISON := -t
186  PARSER_DEBUG_FLEX  := -d
187  CFLAGS             += -DPARSER_DEBUG
188  $(call detected_var,PARSER_DEBUG_BISON)
189  $(call detected_var,PARSER_DEBUG_FLEX)
190endif
191
192# Try different combinations to accommodate systems that only have
193# python[2][-config] in weird combinations but always preferring
194# python2 and python2-config as per pep-0394. If we catch a
195# python[-config] in version 3, the version check will kill it.
196PYTHON2 := $(if $(call get-executable,python2),python2,python)
197override PYTHON := $(call get-executable-or-default,PYTHON,$(PYTHON2))
198PYTHON2_CONFIG := \
199  $(if $(call get-executable,$(PYTHON)-config),$(PYTHON)-config,python-config)
200override PYTHON_CONFIG := \
201  $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON2_CONFIG))
202
203grep-libs  = $(filter -l%,$(1))
204strip-libs  = $(filter-out -l%,$(1))
205
206PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
207
208ifdef PYTHON_CONFIG
209  PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
210  PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
211  PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
212  PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null)
213  FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
214endif
215
216FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
217FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
218FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
219FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
220
221CFLAGS += -fno-omit-frame-pointer
222CFLAGS += -ggdb3
223CFLAGS += -funwind-tables
224CFLAGS += -Wall
225CFLAGS += -Wextra
226CFLAGS += -std=gnu99
227
228CXXFLAGS += -std=gnu++11 -fno-exceptions -fno-rtti
229CXXFLAGS += -Wall
230CXXFLAGS += -fno-omit-frame-pointer
231CXXFLAGS += -ggdb3
232CXXFLAGS += -funwind-tables
233CXXFLAGS += -Wno-strict-aliasing
234
235# Enforce a non-executable stack, as we may regress (again) in the future by
236# adding assembler files missing the .GNU-stack linker note.
237LDFLAGS += -Wl,-z,noexecstack
238
239EXTLIBS = -lpthread -lrt -lm -ldl
240
241ifeq ($(FEATURES_DUMP),)
242include $(srctree)/tools/build/Makefile.feature
243else
244include $(FEATURES_DUMP)
245endif
246
247ifeq ($(feature-stackprotector-all), 1)
248  CFLAGS += -fstack-protector-all
249endif
250
251ifeq ($(DEBUG),0)
252  ifeq ($(feature-fortify-source), 1)
253    CFLAGS += -D_FORTIFY_SOURCE=2
254  endif
255endif
256
257INC_FLAGS += -I$(src-perf)/util/include
258INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
259INC_FLAGS += -I$(srctree)/tools/include/uapi
260INC_FLAGS += -I$(srctree)/tools/include/
261INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
262INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
263INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
264
265# $(obj-perf)      for generated common-cmds.h
266# $(obj-perf)/util for generated bison/flex headers
267ifneq ($(OUTPUT),)
268INC_FLAGS += -I$(obj-perf)/util
269INC_FLAGS += -I$(obj-perf)
270endif
271
272INC_FLAGS += -I$(src-perf)/util
273INC_FLAGS += -I$(src-perf)
274INC_FLAGS += -I$(srctree)/tools/lib/
275
276CFLAGS   += $(INC_FLAGS)
277CXXFLAGS += $(INC_FLAGS)
278
279CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
280
281ifeq ($(feature-sync-compare-and-swap), 1)
282  CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
283endif
284
285ifeq ($(feature-pthread-attr-setaffinity-np), 1)
286  CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
287endif
288
289ifeq ($(feature-pthread-barrier), 1)
290  CFLAGS += -DHAVE_PTHREAD_BARRIER
291endif
292
293ifndef NO_BIONIC
294  $(call feature_check,bionic)
295  ifeq ($(feature-bionic), 1)
296    BIONIC := 1
297    EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
298    EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
299  endif
300endif
301
302ifeq ($(feature-eventfd), 1)
303  CFLAGS += -DHAVE_EVENTFD
304endif
305
306ifeq ($(feature-get_current_dir_name), 1)
307  CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME
308endif
309
310ifdef NO_LIBELF
311  NO_DWARF := 1
312  NO_DEMANGLE := 1
313  NO_LIBUNWIND := 1
314  NO_LIBDW_DWARF_UNWIND := 1
315  NO_LIBBPF := 1
316  NO_JVMTI := 1
317else
318  ifeq ($(feature-libelf), 0)
319    ifeq ($(feature-glibc), 1)
320      LIBC_SUPPORT := 1
321    endif
322    ifeq ($(BIONIC),1)
323      LIBC_SUPPORT := 1
324    endif
325    ifeq ($(LIBC_SUPPORT),1)
326      msg := $(warning No libelf found. Disables 'probe' tool, jvmti and BPF support in 'perf record'. Please install libelf-dev, libelf-devel or elfutils-libelf-devel);
327
328      NO_LIBELF := 1
329      NO_DWARF := 1
330      NO_DEMANGLE := 1
331      NO_LIBUNWIND := 1
332      NO_LIBDW_DWARF_UNWIND := 1
333      NO_LIBBPF := 1
334      NO_JVMTI := 1
335    else
336      ifneq ($(filter s% -static%,$(LDFLAGS),),)
337        msg := $(error No static glibc found, please install glibc-static);
338      else
339        msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
340      endif
341    endif
342  else
343    ifndef NO_LIBDW_DWARF_UNWIND
344      ifneq ($(feature-libdw-dwarf-unwind),1)
345        NO_LIBDW_DWARF_UNWIND := 1
346        msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
347      endif
348    endif
349    ifneq ($(feature-dwarf), 1)
350      ifndef NO_DWARF
351        msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
352        NO_DWARF := 1
353      endif
354    else
355      ifneq ($(feature-dwarf_getlocations), 1)
356        msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
357      else
358        CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT
359      endif # dwarf_getlocations
360    endif # Dwarf support
361  endif # libelf support
362endif # NO_LIBELF
363
364ifeq ($(feature-glibc), 1)
365  CFLAGS += -DHAVE_GLIBC_SUPPORT
366endif
367
368ifeq ($(feature-libaio), 1)
369  ifndef NO_AIO
370    CFLAGS += -DHAVE_AIO_SUPPORT
371  endif
372endif
373
374ifdef NO_DWARF
375  NO_LIBDW_DWARF_UNWIND := 1
376endif
377
378ifeq ($(feature-sched_getcpu), 1)
379  CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
380endif
381
382ifeq ($(feature-setns), 1)
383  CFLAGS += -DHAVE_SETNS_SUPPORT
384  $(call detected,CONFIG_SETNS)
385endif
386
387ifndef NO_CORESIGHT
388  ifeq ($(feature-libopencsd), 1)
389    CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
390    LDFLAGS += $(LIBOPENCSD_LDFLAGS)
391    EXTLIBS += $(OPENCSDLIBS)
392    $(call detected,CONFIG_LIBOPENCSD)
393    ifdef CSTRACE_RAW
394      CFLAGS += -DCS_DEBUG_RAW
395      ifeq (${CSTRACE_RAW}, packed)
396        CFLAGS += -DCS_RAW_PACKED
397      endif
398    endif
399  endif
400endif
401
402ifndef NO_LIBELF
403  CFLAGS += -DHAVE_LIBELF_SUPPORT
404  EXTLIBS += -lelf
405  $(call detected,CONFIG_LIBELF)
406
407  ifeq ($(feature-libelf-mmap), 1)
408    CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
409  endif
410
411  ifeq ($(feature-libelf-getphdrnum), 1)
412    CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
413  endif
414
415  ifeq ($(feature-libelf-gelf_getnote), 1)
416    CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
417  else
418    msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
419  endif
420
421  ifeq ($(feature-libelf-getshdrstrndx), 1)
422    CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
423  endif
424
425  ifndef NO_DWARF
426    ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
427      msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
428      NO_DWARF := 1
429    else
430      CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
431      LDFLAGS += $(LIBDW_LDFLAGS)
432      EXTLIBS += ${DWARFLIBS}
433      $(call detected,CONFIG_DWARF)
434    endif # PERF_HAVE_DWARF_REGS
435  endif # NO_DWARF
436
437  ifndef NO_LIBBPF
438    ifeq ($(feature-bpf), 1)
439      CFLAGS += -DHAVE_LIBBPF_SUPPORT
440      $(call detected,CONFIG_LIBBPF)
441    endif
442
443    ifndef NO_DWARF
444      ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
445        CFLAGS += -DHAVE_BPF_PROLOGUE
446        $(call detected,CONFIG_BPF_PROLOGUE)
447      else
448        msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset());
449      endif
450    else
451      msg := $(warning DWARF support is off, BPF prologue is disabled);
452    endif
453
454  endif # NO_LIBBPF
455endif # NO_LIBELF
456
457ifndef NO_SDT
458  ifneq ($(feature-sdt), 1)
459    msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
460    NO_SDT := 1;
461  else
462    CFLAGS += -DHAVE_SDT_EVENT
463    $(call detected,CONFIG_SDT_EVENT)
464  endif
465endif
466
467ifdef PERF_HAVE_JITDUMP
468  ifndef NO_LIBELF
469    $(call detected,CONFIG_JITDUMP)
470    CFLAGS += -DHAVE_JITDUMP
471  endif
472endif
473
474ifeq ($(SRCARCH),powerpc)
475  ifndef NO_DWARF
476    CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
477  endif
478endif
479
480ifndef NO_LIBUNWIND
481  have_libunwind :=
482
483  ifeq ($(feature-libunwind-x86), 1)
484    $(call detected,CONFIG_LIBUNWIND_X86)
485    CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
486    LDFLAGS += -lunwind-x86
487    EXTLIBS_LIBUNWIND += -lunwind-x86
488    have_libunwind = 1
489  endif
490
491  ifeq ($(feature-libunwind-aarch64), 1)
492    $(call detected,CONFIG_LIBUNWIND_AARCH64)
493    CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
494    LDFLAGS += -lunwind-aarch64
495    EXTLIBS_LIBUNWIND += -lunwind-aarch64
496    have_libunwind = 1
497    $(call feature_check,libunwind-debug-frame-aarch64)
498    ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
499      msg := $(warning No debug_frame support found in libunwind-aarch64);
500      CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
501    endif
502  endif
503
504  ifneq ($(feature-libunwind), 1)
505    msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
506    NO_LOCAL_LIBUNWIND := 1
507  else
508    have_libunwind := 1
509    $(call detected,CONFIG_LOCAL_LIBUNWIND)
510  endif
511
512  ifneq ($(have_libunwind), 1)
513    NO_LIBUNWIND := 1
514  endif
515else
516  NO_LOCAL_LIBUNWIND := 1
517endif
518
519ifndef NO_LIBBPF
520  ifneq ($(feature-bpf), 1)
521    msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
522    NO_LIBBPF := 1
523  endif
524endif
525
526dwarf-post-unwind := 1
527dwarf-post-unwind-text := BUG
528
529# setup DWARF post unwinder
530ifdef NO_LIBUNWIND
531  ifdef NO_LIBDW_DWARF_UNWIND
532    msg := $(warning Disabling post unwind, no support found.);
533    dwarf-post-unwind := 0
534  else
535    dwarf-post-unwind-text := libdw
536    $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
537  endif
538else
539  dwarf-post-unwind-text := libunwind
540  $(call detected,CONFIG_LIBUNWIND)
541  # Enable libunwind support by default.
542  ifndef NO_LIBDW_DWARF_UNWIND
543    NO_LIBDW_DWARF_UNWIND := 1
544  endif
545endif
546
547ifeq ($(dwarf-post-unwind),1)
548  CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
549  $(call detected,CONFIG_DWARF_UNWIND)
550else
551  NO_DWARF_UNWIND := 1
552endif
553
554ifndef NO_LOCAL_LIBUNWIND
555  ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
556    $(call feature_check,libunwind-debug-frame)
557    ifneq ($(feature-libunwind-debug-frame), 1)
558      msg := $(warning No debug_frame support found in libunwind);
559      CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
560    endif
561  else
562    # non-ARM has no dwarf_find_debug_frame() function:
563    CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
564  endif
565  EXTLIBS += $(LIBUNWIND_LIBS)
566  LDFLAGS += $(LIBUNWIND_LIBS)
567endif
568ifeq ($(findstring -static,${LDFLAGS}),-static)
569  # gcc -static links libgcc_eh which contans piece of libunwind
570  LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
571endif
572
573ifndef NO_LIBUNWIND
574  CFLAGS  += -DHAVE_LIBUNWIND_SUPPORT
575  CFLAGS  += $(LIBUNWIND_CFLAGS)
576  LDFLAGS += $(LIBUNWIND_LDFLAGS)
577  EXTLIBS += $(EXTLIBS_LIBUNWIND)
578endif
579
580ifeq ($(NO_SYSCALL_TABLE),0)
581  $(call detected,CONFIG_TRACE)
582else
583  ifndef NO_LIBAUDIT
584    ifneq ($(feature-libaudit), 1)
585      msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
586      NO_LIBAUDIT := 1
587    else
588      CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
589      EXTLIBS += -laudit
590      $(call detected,CONFIG_TRACE)
591    endif
592  endif
593endif
594
595ifndef NO_LIBCRYPTO
596  ifneq ($(feature-libcrypto), 1)
597    msg := $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev);
598    NO_LIBCRYPTO := 1
599  else
600    CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
601    EXTLIBS += -lcrypto
602    $(call detected,CONFIG_CRYPTO)
603  endif
604endif
605
606ifdef NO_NEWT
607  NO_SLANG=1
608endif
609
610ifndef NO_SLANG
611  ifneq ($(feature-libslang), 1)
612    msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
613    NO_SLANG := 1
614  else
615    # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
616    CFLAGS += -I/usr/include/slang
617    CFLAGS += -DHAVE_SLANG_SUPPORT
618    EXTLIBS += -lslang
619    $(call detected,CONFIG_SLANG)
620  endif
621endif
622
623ifndef NO_GTK2
624  FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
625  ifneq ($(feature-gtk2), 1)
626    msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
627    NO_GTK2 := 1
628  else
629    ifeq ($(feature-gtk2-infobar), 1)
630      GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
631    endif
632    CFLAGS += -DHAVE_GTK2_SUPPORT
633    GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
634    GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
635    EXTLIBS += -ldl
636  endif
637endif
638
639ifdef NO_LIBPERL
640  CFLAGS += -DNO_LIBPERL
641else
642  PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
643  PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
644  PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
645  PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
646  PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
647  PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
648  FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
649
650  ifneq ($(feature-libperl), 1)
651    CFLAGS += -DNO_LIBPERL
652    NO_LIBPERL := 1
653    msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
654  else
655    LDFLAGS += $(PERL_EMBED_LDFLAGS)
656    EXTLIBS += $(PERL_EMBED_LIBADD)
657    CFLAGS += -DHAVE_LIBPERL_SUPPORT
658    $(call detected,CONFIG_LIBPERL)
659  endif
660endif
661
662ifeq ($(feature-timerfd), 1)
663  CFLAGS += -DHAVE_TIMERFD_SUPPORT
664else
665  msg := $(warning No timerfd support. Disables 'perf kvm stat live');
666endif
667
668disable-python = $(eval $(disable-python_code))
669define disable-python_code
670  CFLAGS += -DNO_LIBPYTHON
671  $(warning $1)
672  NO_LIBPYTHON := 1
673endef
674
675ifdef NO_LIBPYTHON
676  $(call disable-python,Python support disabled by user)
677else
678
679  ifndef PYTHON
680    $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
681  else
682    PYTHON_WORD := $(call shell-wordify,$(PYTHON))
683
684    ifndef PYTHON_CONFIG
685      $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
686    else
687
688      ifneq ($(feature-libpython), 1)
689        $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
690      else
691         LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
692         EXTLIBS += $(PYTHON_EMBED_LIBADD)
693         LANG_BINDINGS += $(obj-perf)python/perf.so
694         CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
695         $(call detected,CONFIG_LIBPYTHON)
696      endif
697    endif
698  endif
699endif
700
701ifeq ($(feature-libbfd), 1)
702  EXTLIBS += -lbfd
703
704  # call all detections now so we get correct
705  # status in VF output
706  $(call feature_check,liberty)
707  $(call feature_check,liberty-z)
708  $(call feature_check,cplus-demangle)
709
710  ifeq ($(feature-liberty), 1)
711    EXTLIBS += -liberty
712  else
713    ifeq ($(feature-liberty-z), 1)
714      EXTLIBS += -liberty -lz
715    endif
716  endif
717endif
718
719ifdef NO_DEMANGLE
720  CFLAGS += -DNO_DEMANGLE
721else
722  ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
723    EXTLIBS += -liberty
724    CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
725  else
726    ifneq ($(feature-libbfd), 1)
727      ifneq ($(feature-liberty), 1)
728        ifneq ($(feature-liberty-z), 1)
729          # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
730          # or any of 'bfd iberty z' trinity
731          ifeq ($(feature-cplus-demangle), 1)
732            EXTLIBS += -liberty
733            CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
734          else
735            msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
736            CFLAGS += -DNO_DEMANGLE
737          endif
738        endif
739      endif
740    endif
741  endif
742endif
743
744ifneq ($(filter -lbfd,$(EXTLIBS)),)
745  CFLAGS += -DHAVE_LIBBFD_SUPPORT
746endif
747
748ifndef NO_ZLIB
749  ifeq ($(feature-zlib), 1)
750    CFLAGS += -DHAVE_ZLIB_SUPPORT
751    EXTLIBS += -lz
752    $(call detected,CONFIG_ZLIB)
753  else
754    NO_ZLIB := 1
755  endif
756endif
757
758ifndef NO_LZMA
759  ifeq ($(feature-lzma), 1)
760    CFLAGS += -DHAVE_LZMA_SUPPORT
761    EXTLIBS += -llzma
762    $(call detected,CONFIG_LZMA)
763  else
764    msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
765    NO_LZMA := 1
766  endif
767endif
768
769ifndef NO_BACKTRACE
770  ifeq ($(feature-backtrace), 1)
771    CFLAGS += -DHAVE_BACKTRACE_SUPPORT
772  endif
773endif
774
775ifndef NO_LIBNUMA
776  ifeq ($(feature-libnuma), 0)
777    msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
778    NO_LIBNUMA := 1
779  else
780    ifeq ($(feature-numa_num_possible_cpus), 0)
781      msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
782      NO_LIBNUMA := 1
783    else
784      CFLAGS += -DHAVE_LIBNUMA_SUPPORT
785      EXTLIBS += -lnuma
786      $(call detected,CONFIG_NUMA)
787    endif
788  endif
789endif
790
791ifdef HAVE_KVM_STAT_SUPPORT
792    CFLAGS += -DHAVE_KVM_STAT_SUPPORT
793endif
794
795ifeq (${IS_64_BIT}, 1)
796  ifndef NO_PERF_READ_VDSO32
797    $(call feature_check,compile-32)
798    ifeq ($(feature-compile-32), 1)
799      CFLAGS += -DHAVE_PERF_READ_VDSO32
800    else
801      NO_PERF_READ_VDSO32 := 1
802    endif
803  endif
804  ifneq ($(SRCARCH), x86)
805    NO_PERF_READ_VDSOX32 := 1
806  endif
807  ifndef NO_PERF_READ_VDSOX32
808    $(call feature_check,compile-x32)
809    ifeq ($(feature-compile-x32), 1)
810      CFLAGS += -DHAVE_PERF_READ_VDSOX32
811    else
812      NO_PERF_READ_VDSOX32 := 1
813    endif
814  endif
815else
816  NO_PERF_READ_VDSO32 := 1
817  NO_PERF_READ_VDSOX32 := 1
818endif
819
820ifndef NO_LIBBABELTRACE
821  $(call feature_check,libbabeltrace)
822  ifeq ($(feature-libbabeltrace), 1)
823    CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
824    LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
825    EXTLIBS += -lbabeltrace-ctf
826    $(call detected,CONFIG_LIBBABELTRACE)
827  else
828    msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
829  endif
830endif
831
832ifndef NO_AUXTRACE
833  ifeq ($(SRCARCH),x86)
834    ifeq ($(feature-get_cpuid), 0)
835      msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
836      NO_AUXTRACE := 1
837    endif
838  endif
839  ifndef NO_AUXTRACE
840    $(call detected,CONFIG_AUXTRACE)
841    CFLAGS += -DHAVE_AUXTRACE_SUPPORT
842  endif
843endif
844
845ifndef NO_JVMTI
846  ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
847    JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
848  else
849    ifneq (,$(wildcard /usr/sbin/alternatives))
850      JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed 's%/jre/bin/java.%%g')
851    endif
852  endif
853  ifndef JDIR
854    $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
855    NO_JVMTI := 1
856  endif
857endif
858
859ifndef NO_JVMTI
860  FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
861  $(call feature_check,jvmti)
862  ifeq ($(feature-jvmti), 1)
863    $(call detected_var,JDIR)
864    ifndef NO_JVMTI_CMLR
865      FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti)
866      $(call feature_check,jvmti-cmlr)
867      ifeq ($(feature-jvmti-cmlr), 1)
868        CFLAGS += -DHAVE_JVMTI_CMLR
869      endif
870    endif # NO_JVMTI_CMLR
871  else
872    $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel)
873    NO_JVMTI := 1
874  endif
875endif
876
877USE_CXX = 0
878USE_CLANGLLVM = 0
879ifdef LIBCLANGLLVM
880  $(call feature_check,cxx)
881  ifneq ($(feature-cxx), 1)
882    msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
883  else
884    $(call feature_check,llvm)
885    $(call feature_check,llvm-version)
886    ifneq ($(feature-llvm), 1)
887      msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
888    else
889      $(call feature_check,clang)
890      ifneq ($(feature-clang), 1)
891        msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
892      else
893        CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
894        CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
895        $(call detected,CONFIG_CXX)
896        $(call detected,CONFIG_CLANGLLVM)
897	USE_CXX = 1
898	USE_LLVM = 1
899	USE_CLANG = 1
900        ifneq ($(feature-llvm-version),1)
901          msg := $(warning This version of LLVM is not tested. May cause build errors)
902        endif
903      endif
904    endif
905  endif
906endif
907
908# Among the variables below, these:
909#   perfexecdir
910#   perf_include_dir
911#   perf_examples_dir
912#   template_dir
913#   mandir
914#   infodir
915#   htmldir
916#   ETC_PERFCONFIG (but not sysconfdir)
917# can be specified as a relative path some/where/else;
918# this is interpreted as relative to $(prefix) and "perf" at
919# runtime figures out where they are based on the path to the executable.
920# This can help installing the suite in a relocatable way.
921
922# Make the path relative to DESTDIR, not to prefix
923ifndef DESTDIR
924prefix ?= $(HOME)
925endif
926bindir_relative = bin
927bindir = $(abspath $(prefix)/$(bindir_relative))
928mandir = share/man
929infodir = share/info
930perfexecdir = libexec/perf-core
931perf_include_dir = lib/perf/include
932perf_examples_dir = lib/perf/examples
933sharedir = $(prefix)/share
934template_dir = share/perf-core/templates
935STRACE_GROUPS_DIR = share/perf-core/strace/groups
936htmldir = share/doc/perf-doc
937tipdir = share/doc/perf-tip
938srcdir = $(srctree)/tools/perf
939ifeq ($(prefix),/usr)
940sysconfdir = /etc
941ETC_PERFCONFIG = $(sysconfdir)/perfconfig
942else
943sysconfdir = $(prefix)/etc
944ETC_PERFCONFIG = etc/perfconfig
945endif
946ifndef lib
947ifeq ($(SRCARCH)$(IS_64_BIT), x861)
948lib = lib64
949else
950lib = lib
951endif
952endif # lib
953libdir = $(prefix)/$(lib)
954
955# Shell quote (do not use $(call) to accommodate ancient setups);
956ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
957STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
958DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
959bindir_SQ = $(subst ','\'',$(bindir))
960mandir_SQ = $(subst ','\'',$(mandir))
961infodir_SQ = $(subst ','\'',$(infodir))
962perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
963perf_include_dir_SQ = $(subst ','\'',$(perf_include_dir))
964perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir))
965template_dir_SQ = $(subst ','\'',$(template_dir))
966htmldir_SQ = $(subst ','\'',$(htmldir))
967tipdir_SQ = $(subst ','\'',$(tipdir))
968prefix_SQ = $(subst ','\'',$(prefix))
969sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
970libdir_SQ = $(subst ','\'',$(libdir))
971srcdir_SQ = $(subst ','\'',$(srcdir))
972
973ifneq ($(filter /%,$(firstword $(perfexecdir))),)
974perfexec_instdir = $(perfexecdir)
975perf_include_instdir = $(perf_include_dir)
976perf_examples_instdir = $(perf_examples_dir)
977STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
978tip_instdir = $(tipdir)
979else
980perfexec_instdir = $(prefix)/$(perfexecdir)
981perf_include_instdir = $(prefix)/$(perf_include_dir)
982perf_examples_instdir = $(prefix)/$(perf_examples_dir)
983STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
984tip_instdir = $(prefix)/$(tipdir)
985endif
986perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
987perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir))
988perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir))
989STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
990tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
991
992# If we install to $(HOME) we keep the traceevent default:
993# $(HOME)/.traceevent/plugins
994# Otherwise we install plugins into the global $(libdir).
995ifdef DESTDIR
996plugindir=$(libdir)/traceevent/plugins
997plugindir_SQ= $(subst ','\'',$(plugindir))
998endif
999
1000print_var = $(eval $(print_var_code)) $(info $(MSG))
1001define print_var_code
1002    MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
1003endef
1004
1005ifeq ($(VF),1)
1006  # Display EXTRA features which are detected manualy
1007  # from here with feature_check call and thus cannot
1008  # be partof global state output.
1009  $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),))
1010  $(call print_var,prefix)
1011  $(call print_var,bindir)
1012  $(call print_var,libdir)
1013  $(call print_var,sysconfdir)
1014  $(call print_var,LIBUNWIND_DIR)
1015  $(call print_var,LIBDW_DIR)
1016  $(call print_var,JDIR)
1017
1018  ifeq ($(dwarf-post-unwind),1)
1019    $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
1020  endif
1021  $(info )
1022endif
1023
1024$(call detected_var,bindir_SQ)
1025$(call detected_var,PYTHON_WORD)
1026ifneq ($(OUTPUT),)
1027$(call detected_var,OUTPUT)
1028endif
1029$(call detected_var,htmldir_SQ)
1030$(call detected_var,infodir_SQ)
1031$(call detected_var,mandir_SQ)
1032$(call detected_var,ETC_PERFCONFIG_SQ)
1033$(call detected_var,STRACE_GROUPS_DIR_SQ)
1034$(call detected_var,prefix_SQ)
1035$(call detected_var,perfexecdir_SQ)
1036$(call detected_var,perf_include_dir_SQ)
1037$(call detected_var,perf_examples_dir_SQ)
1038$(call detected_var,tipdir_SQ)
1039$(call detected_var,srcdir_SQ)
1040$(call detected_var,LIBDIR)
1041$(call detected_var,GTK_CFLAGS)
1042$(call detected_var,PERL_EMBED_CCOPTS)
1043$(call detected_var,PYTHON_EMBED_CCOPTS)
1044