xref: /openbmc/linux/tools/perf/Makefile.config (revision 22fc4c4c9fd60427bcda00878cee94e7622cfa7a) 
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    CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE
298    CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE
299    EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
300    EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
301  endif
302endif
303
304ifeq ($(feature-eventfd), 1)
305  CFLAGS += -DHAVE_EVENTFD
306endif
307
308ifeq ($(feature-get_current_dir_name), 1)
309  CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME
310endif
311
312ifdef NO_LIBELF
313  NO_DWARF := 1
314  NO_DEMANGLE := 1
315  NO_LIBUNWIND := 1
316  NO_LIBDW_DWARF_UNWIND := 1
317  NO_LIBBPF := 1
318  NO_JVMTI := 1
319else
320  ifeq ($(feature-libelf), 0)
321    ifeq ($(feature-glibc), 1)
322      LIBC_SUPPORT := 1
323    endif
324    ifeq ($(BIONIC),1)
325      LIBC_SUPPORT := 1
326    endif
327    ifeq ($(LIBC_SUPPORT),1)
328      msg := $(warning No libelf found. Disables 'probe' tool, jvmti and BPF support in 'perf record'. Please install libelf-dev, libelf-devel or elfutils-libelf-devel);
329
330      NO_LIBELF := 1
331      NO_DWARF := 1
332      NO_DEMANGLE := 1
333      NO_LIBUNWIND := 1
334      NO_LIBDW_DWARF_UNWIND := 1
335      NO_LIBBPF := 1
336      NO_JVMTI := 1
337    else
338      ifneq ($(filter s% -static%,$(LDFLAGS),),)
339        msg := $(error No static glibc found, please install glibc-static);
340      else
341        msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
342      endif
343    endif
344  else
345    ifndef NO_LIBDW_DWARF_UNWIND
346      ifneq ($(feature-libdw-dwarf-unwind),1)
347        NO_LIBDW_DWARF_UNWIND := 1
348        msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
349      endif
350    endif
351    ifneq ($(feature-dwarf), 1)
352      ifndef NO_DWARF
353        msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
354        NO_DWARF := 1
355      endif
356    else
357      ifneq ($(feature-dwarf_getlocations), 1)
358        msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
359      else
360        CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT
361      endif # dwarf_getlocations
362    endif # Dwarf support
363  endif # libelf support
364endif # NO_LIBELF
365
366ifeq ($(feature-glibc), 1)
367  CFLAGS += -DHAVE_GLIBC_SUPPORT
368endif
369
370ifeq ($(feature-libaio), 1)
371  ifndef NO_AIO
372    CFLAGS += -DHAVE_AIO_SUPPORT
373  endif
374endif
375
376ifdef NO_DWARF
377  NO_LIBDW_DWARF_UNWIND := 1
378endif
379
380ifeq ($(feature-sched_getcpu), 1)
381  CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
382endif
383
384ifeq ($(feature-setns), 1)
385  CFLAGS += -DHAVE_SETNS_SUPPORT
386  $(call detected,CONFIG_SETNS)
387endif
388
389ifndef NO_CORESIGHT
390  ifeq ($(feature-libopencsd), 1)
391    CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
392    LDFLAGS += $(LIBOPENCSD_LDFLAGS)
393    EXTLIBS += $(OPENCSDLIBS)
394    $(call detected,CONFIG_LIBOPENCSD)
395    ifdef CSTRACE_RAW
396      CFLAGS += -DCS_DEBUG_RAW
397      ifeq (${CSTRACE_RAW}, packed)
398        CFLAGS += -DCS_RAW_PACKED
399      endif
400    endif
401  endif
402endif
403
404ifndef NO_LIBELF
405  CFLAGS += -DHAVE_LIBELF_SUPPORT
406  EXTLIBS += -lelf
407  $(call detected,CONFIG_LIBELF)
408
409  ifeq ($(feature-libelf-mmap), 1)
410    CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
411  endif
412
413  ifeq ($(feature-libelf-getphdrnum), 1)
414    CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
415  endif
416
417  ifeq ($(feature-libelf-gelf_getnote), 1)
418    CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
419  else
420    msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
421  endif
422
423  ifeq ($(feature-libelf-getshdrstrndx), 1)
424    CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
425  endif
426
427  ifndef NO_DWARF
428    ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
429      msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
430      NO_DWARF := 1
431    else
432      CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
433      LDFLAGS += $(LIBDW_LDFLAGS)
434      EXTLIBS += ${DWARFLIBS}
435      $(call detected,CONFIG_DWARF)
436    endif # PERF_HAVE_DWARF_REGS
437  endif # NO_DWARF
438
439  ifndef NO_LIBBPF
440    ifeq ($(feature-bpf), 1)
441      CFLAGS += -DHAVE_LIBBPF_SUPPORT
442      $(call detected,CONFIG_LIBBPF)
443    endif
444
445    ifndef NO_DWARF
446      ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
447        CFLAGS += -DHAVE_BPF_PROLOGUE
448        $(call detected,CONFIG_BPF_PROLOGUE)
449      else
450        msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset());
451      endif
452    else
453      msg := $(warning DWARF support is off, BPF prologue is disabled);
454    endif
455
456  endif # NO_LIBBPF
457endif # NO_LIBELF
458
459ifndef NO_SDT
460  ifneq ($(feature-sdt), 1)
461    msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
462    NO_SDT := 1;
463  else
464    CFLAGS += -DHAVE_SDT_EVENT
465    $(call detected,CONFIG_SDT_EVENT)
466  endif
467endif
468
469ifdef PERF_HAVE_JITDUMP
470  ifndef NO_LIBELF
471    $(call detected,CONFIG_JITDUMP)
472    CFLAGS += -DHAVE_JITDUMP
473  endif
474endif
475
476ifeq ($(SRCARCH),powerpc)
477  ifndef NO_DWARF
478    CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
479  endif
480endif
481
482ifndef NO_LIBUNWIND
483  have_libunwind :=
484
485  ifeq ($(feature-libunwind-x86), 1)
486    $(call detected,CONFIG_LIBUNWIND_X86)
487    CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
488    LDFLAGS += -lunwind-x86
489    EXTLIBS_LIBUNWIND += -lunwind-x86
490    have_libunwind = 1
491  endif
492
493  ifeq ($(feature-libunwind-aarch64), 1)
494    $(call detected,CONFIG_LIBUNWIND_AARCH64)
495    CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
496    LDFLAGS += -lunwind-aarch64
497    EXTLIBS_LIBUNWIND += -lunwind-aarch64
498    have_libunwind = 1
499    $(call feature_check,libunwind-debug-frame-aarch64)
500    ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
501      msg := $(warning No debug_frame support found in libunwind-aarch64);
502      CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
503    endif
504  endif
505
506  ifneq ($(feature-libunwind), 1)
507    msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
508    NO_LOCAL_LIBUNWIND := 1
509  else
510    have_libunwind := 1
511    $(call detected,CONFIG_LOCAL_LIBUNWIND)
512  endif
513
514  ifneq ($(have_libunwind), 1)
515    NO_LIBUNWIND := 1
516  endif
517else
518  NO_LOCAL_LIBUNWIND := 1
519endif
520
521ifndef NO_LIBBPF
522  ifneq ($(feature-bpf), 1)
523    msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
524    NO_LIBBPF := 1
525  endif
526endif
527
528dwarf-post-unwind := 1
529dwarf-post-unwind-text := BUG
530
531# setup DWARF post unwinder
532ifdef NO_LIBUNWIND
533  ifdef NO_LIBDW_DWARF_UNWIND
534    msg := $(warning Disabling post unwind, no support found.);
535    dwarf-post-unwind := 0
536  else
537    dwarf-post-unwind-text := libdw
538    $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
539  endif
540else
541  dwarf-post-unwind-text := libunwind
542  $(call detected,CONFIG_LIBUNWIND)
543  # Enable libunwind support by default.
544  ifndef NO_LIBDW_DWARF_UNWIND
545    NO_LIBDW_DWARF_UNWIND := 1
546  endif
547endif
548
549ifeq ($(dwarf-post-unwind),1)
550  CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
551  $(call detected,CONFIG_DWARF_UNWIND)
552else
553  NO_DWARF_UNWIND := 1
554endif
555
556ifndef NO_LOCAL_LIBUNWIND
557  ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
558    $(call feature_check,libunwind-debug-frame)
559    ifneq ($(feature-libunwind-debug-frame), 1)
560      msg := $(warning No debug_frame support found in libunwind);
561      CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
562    endif
563  else
564    # non-ARM has no dwarf_find_debug_frame() function:
565    CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
566  endif
567  EXTLIBS += $(LIBUNWIND_LIBS)
568  LDFLAGS += $(LIBUNWIND_LIBS)
569endif
570ifeq ($(findstring -static,${LDFLAGS}),-static)
571  # gcc -static links libgcc_eh which contans piece of libunwind
572  LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
573endif
574
575ifndef NO_LIBUNWIND
576  CFLAGS  += -DHAVE_LIBUNWIND_SUPPORT
577  CFLAGS  += $(LIBUNWIND_CFLAGS)
578  LDFLAGS += $(LIBUNWIND_LDFLAGS)
579  EXTLIBS += $(EXTLIBS_LIBUNWIND)
580endif
581
582ifeq ($(NO_SYSCALL_TABLE),0)
583  $(call detected,CONFIG_TRACE)
584else
585  ifndef NO_LIBAUDIT
586    ifneq ($(feature-libaudit), 1)
587      msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
588      NO_LIBAUDIT := 1
589    else
590      CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
591      EXTLIBS += -laudit
592      $(call detected,CONFIG_TRACE)
593    endif
594  endif
595endif
596
597ifndef NO_LIBCRYPTO
598  ifneq ($(feature-libcrypto), 1)
599    msg := $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev);
600    NO_LIBCRYPTO := 1
601  else
602    CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
603    EXTLIBS += -lcrypto
604    $(call detected,CONFIG_CRYPTO)
605  endif
606endif
607
608ifdef NO_NEWT
609  NO_SLANG=1
610endif
611
612ifndef NO_SLANG
613  ifneq ($(feature-libslang), 1)
614    msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
615    NO_SLANG := 1
616  else
617    # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
618    CFLAGS += -I/usr/include/slang
619    CFLAGS += -DHAVE_SLANG_SUPPORT
620    EXTLIBS += -lslang
621    $(call detected,CONFIG_SLANG)
622  endif
623endif
624
625ifndef NO_GTK2
626  FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
627  ifneq ($(feature-gtk2), 1)
628    msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
629    NO_GTK2 := 1
630  else
631    ifeq ($(feature-gtk2-infobar), 1)
632      GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
633    endif
634    CFLAGS += -DHAVE_GTK2_SUPPORT
635    GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
636    GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
637    EXTLIBS += -ldl
638  endif
639endif
640
641ifdef NO_LIBPERL
642  CFLAGS += -DNO_LIBPERL
643else
644  PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
645  PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
646  PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
647  PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
648  PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
649  PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
650  FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
651
652  ifneq ($(feature-libperl), 1)
653    CFLAGS += -DNO_LIBPERL
654    NO_LIBPERL := 1
655    msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
656  else
657    LDFLAGS += $(PERL_EMBED_LDFLAGS)
658    EXTLIBS += $(PERL_EMBED_LIBADD)
659    CFLAGS += -DHAVE_LIBPERL_SUPPORT
660    $(call detected,CONFIG_LIBPERL)
661  endif
662endif
663
664ifeq ($(feature-timerfd), 1)
665  CFLAGS += -DHAVE_TIMERFD_SUPPORT
666else
667  msg := $(warning No timerfd support. Disables 'perf kvm stat live');
668endif
669
670disable-python = $(eval $(disable-python_code))
671define disable-python_code
672  CFLAGS += -DNO_LIBPYTHON
673  $(warning $1)
674  NO_LIBPYTHON := 1
675endef
676
677ifdef NO_LIBPYTHON
678  $(call disable-python,Python support disabled by user)
679else
680
681  ifndef PYTHON
682    $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
683  else
684    PYTHON_WORD := $(call shell-wordify,$(PYTHON))
685
686    ifndef PYTHON_CONFIG
687      $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
688    else
689
690      ifneq ($(feature-libpython), 1)
691        $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
692      else
693         LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
694         EXTLIBS += $(PYTHON_EMBED_LIBADD)
695         LANG_BINDINGS += $(obj-perf)python/perf.so
696         CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
697         $(call detected,CONFIG_LIBPYTHON)
698      endif
699    endif
700  endif
701endif
702
703ifeq ($(feature-libbfd), 1)
704  EXTLIBS += -lbfd
705else
706  # we are on a system that requires -liberty and (maybe) -lz
707  # to link against -lbfd; test each case individually here
708
709  # call all detections now so we get correct
710  # status in VF output
711  $(call feature_check,libbfd-liberty)
712  $(call feature_check,libbfd-liberty-z)
713
714  ifeq ($(feature-libbfd-liberty), 1)
715    EXTLIBS += -lbfd -liberty
716  else
717    ifeq ($(feature-libbfd-liberty-z), 1)
718      EXTLIBS += -lbfd -liberty -lz
719    endif
720  endif
721endif
722
723ifdef NO_DEMANGLE
724  CFLAGS += -DNO_DEMANGLE
725else
726  ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
727    EXTLIBS += -liberty
728  else
729    ifeq ($(filter -liberty,$(EXTLIBS)),)
730      $(call feature_check,cplus-demangle)
731
732      # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
733      # or any of 'bfd iberty z' trinity
734      ifeq ($(feature-cplus-demangle), 1)
735        EXTLIBS += -liberty
736      else
737        msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
738        CFLAGS += -DNO_DEMANGLE
739      endif
740    endif
741  endif
742
743  ifneq ($(filter -liberty,$(EXTLIBS)),)
744    CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
745  endif
746endif
747
748ifneq ($(filter -lbfd,$(EXTLIBS)),)
749  CFLAGS += -DHAVE_LIBBFD_SUPPORT
750endif
751
752ifndef NO_ZLIB
753  ifeq ($(feature-zlib), 1)
754    CFLAGS += -DHAVE_ZLIB_SUPPORT
755    EXTLIBS += -lz
756    $(call detected,CONFIG_ZLIB)
757  else
758    NO_ZLIB := 1
759  endif
760endif
761
762ifndef NO_LZMA
763  ifeq ($(feature-lzma), 1)
764    CFLAGS += -DHAVE_LZMA_SUPPORT
765    EXTLIBS += -llzma
766    $(call detected,CONFIG_LZMA)
767  else
768    msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
769    NO_LZMA := 1
770  endif
771endif
772
773ifndef NO_BACKTRACE
774  ifeq ($(feature-backtrace), 1)
775    CFLAGS += -DHAVE_BACKTRACE_SUPPORT
776  endif
777endif
778
779ifndef NO_LIBNUMA
780  ifeq ($(feature-libnuma), 0)
781    msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
782    NO_LIBNUMA := 1
783  else
784    ifeq ($(feature-numa_num_possible_cpus), 0)
785      msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
786      NO_LIBNUMA := 1
787    else
788      CFLAGS += -DHAVE_LIBNUMA_SUPPORT
789      EXTLIBS += -lnuma
790      $(call detected,CONFIG_NUMA)
791    endif
792  endif
793endif
794
795ifdef HAVE_KVM_STAT_SUPPORT
796    CFLAGS += -DHAVE_KVM_STAT_SUPPORT
797endif
798
799ifeq (${IS_64_BIT}, 1)
800  ifndef NO_PERF_READ_VDSO32
801    $(call feature_check,compile-32)
802    ifeq ($(feature-compile-32), 1)
803      CFLAGS += -DHAVE_PERF_READ_VDSO32
804    else
805      NO_PERF_READ_VDSO32 := 1
806    endif
807  endif
808  ifneq ($(SRCARCH), x86)
809    NO_PERF_READ_VDSOX32 := 1
810  endif
811  ifndef NO_PERF_READ_VDSOX32
812    $(call feature_check,compile-x32)
813    ifeq ($(feature-compile-x32), 1)
814      CFLAGS += -DHAVE_PERF_READ_VDSOX32
815    else
816      NO_PERF_READ_VDSOX32 := 1
817    endif
818  endif
819else
820  NO_PERF_READ_VDSO32 := 1
821  NO_PERF_READ_VDSOX32 := 1
822endif
823
824ifndef NO_LIBBABELTRACE
825  $(call feature_check,libbabeltrace)
826  ifeq ($(feature-libbabeltrace), 1)
827    CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
828    LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
829    EXTLIBS += -lbabeltrace-ctf
830    $(call detected,CONFIG_LIBBABELTRACE)
831  else
832    msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
833  endif
834endif
835
836ifndef NO_AUXTRACE
837  ifeq ($(SRCARCH),x86)
838    ifeq ($(feature-get_cpuid), 0)
839      msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
840      NO_AUXTRACE := 1
841    endif
842  endif
843  ifndef NO_AUXTRACE
844    $(call detected,CONFIG_AUXTRACE)
845    CFLAGS += -DHAVE_AUXTRACE_SUPPORT
846  endif
847endif
848
849ifndef NO_JVMTI
850  ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
851    JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
852  else
853    ifneq (,$(wildcard /usr/sbin/alternatives))
854      JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed 's%/jre/bin/java.%%g')
855    endif
856  endif
857  ifndef JDIR
858    $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
859    NO_JVMTI := 1
860  endif
861endif
862
863ifndef NO_JVMTI
864  FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
865  $(call feature_check,jvmti)
866  ifeq ($(feature-jvmti), 1)
867    $(call detected_var,JDIR)
868    ifndef NO_JVMTI_CMLR
869      FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti)
870      $(call feature_check,jvmti-cmlr)
871      ifeq ($(feature-jvmti-cmlr), 1)
872        CFLAGS += -DHAVE_JVMTI_CMLR
873      endif
874    endif # NO_JVMTI_CMLR
875  else
876    $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel)
877    NO_JVMTI := 1
878  endif
879endif
880
881USE_CXX = 0
882USE_CLANGLLVM = 0
883ifdef LIBCLANGLLVM
884  $(call feature_check,cxx)
885  ifneq ($(feature-cxx), 1)
886    msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
887  else
888    $(call feature_check,llvm)
889    $(call feature_check,llvm-version)
890    ifneq ($(feature-llvm), 1)
891      msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
892    else
893      $(call feature_check,clang)
894      ifneq ($(feature-clang), 1)
895        msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
896      else
897        CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
898        CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
899        $(call detected,CONFIG_CXX)
900        $(call detected,CONFIG_CLANGLLVM)
901	USE_CXX = 1
902	USE_LLVM = 1
903	USE_CLANG = 1
904        ifneq ($(feature-llvm-version),1)
905          msg := $(warning This version of LLVM is not tested. May cause build errors)
906        endif
907      endif
908    endif
909  endif
910endif
911
912# Among the variables below, these:
913#   perfexecdir
914#   perf_include_dir
915#   perf_examples_dir
916#   template_dir
917#   mandir
918#   infodir
919#   htmldir
920#   ETC_PERFCONFIG (but not sysconfdir)
921# can be specified as a relative path some/where/else;
922# this is interpreted as relative to $(prefix) and "perf" at
923# runtime figures out where they are based on the path to the executable.
924# This can help installing the suite in a relocatable way.
925
926# Make the path relative to DESTDIR, not to prefix
927ifndef DESTDIR
928prefix ?= $(HOME)
929endif
930bindir_relative = bin
931bindir = $(abspath $(prefix)/$(bindir_relative))
932mandir = share/man
933infodir = share/info
934perfexecdir = libexec/perf-core
935perf_include_dir = lib/perf/include
936perf_examples_dir = lib/perf/examples
937sharedir = $(prefix)/share
938template_dir = share/perf-core/templates
939STRACE_GROUPS_DIR = share/perf-core/strace/groups
940htmldir = share/doc/perf-doc
941tipdir = share/doc/perf-tip
942srcdir = $(srctree)/tools/perf
943ifeq ($(prefix),/usr)
944sysconfdir = /etc
945ETC_PERFCONFIG = $(sysconfdir)/perfconfig
946else
947sysconfdir = $(prefix)/etc
948ETC_PERFCONFIG = etc/perfconfig
949endif
950ifndef lib
951ifeq ($(SRCARCH)$(IS_64_BIT), x861)
952lib = lib64
953else
954lib = lib
955endif
956endif # lib
957libdir = $(prefix)/$(lib)
958
959# Shell quote (do not use $(call) to accommodate ancient setups);
960ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
961STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
962DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
963bindir_SQ = $(subst ','\'',$(bindir))
964mandir_SQ = $(subst ','\'',$(mandir))
965infodir_SQ = $(subst ','\'',$(infodir))
966perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
967perf_include_dir_SQ = $(subst ','\'',$(perf_include_dir))
968perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir))
969template_dir_SQ = $(subst ','\'',$(template_dir))
970htmldir_SQ = $(subst ','\'',$(htmldir))
971tipdir_SQ = $(subst ','\'',$(tipdir))
972prefix_SQ = $(subst ','\'',$(prefix))
973sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
974libdir_SQ = $(subst ','\'',$(libdir))
975srcdir_SQ = $(subst ','\'',$(srcdir))
976
977ifneq ($(filter /%,$(firstword $(perfexecdir))),)
978perfexec_instdir = $(perfexecdir)
979perf_include_instdir = $(perf_include_dir)
980perf_examples_instdir = $(perf_examples_dir)
981STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
982tip_instdir = $(tipdir)
983else
984perfexec_instdir = $(prefix)/$(perfexecdir)
985perf_include_instdir = $(prefix)/$(perf_include_dir)
986perf_examples_instdir = $(prefix)/$(perf_examples_dir)
987STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
988tip_instdir = $(prefix)/$(tipdir)
989endif
990perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
991perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir))
992perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir))
993STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
994tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
995
996# If we install to $(HOME) we keep the traceevent default:
997# $(HOME)/.traceevent/plugins
998# Otherwise we install plugins into the global $(libdir).
999ifdef DESTDIR
1000plugindir=$(libdir)/traceevent/plugins
1001plugindir_SQ= $(subst ','\'',$(plugindir))
1002endif
1003
1004print_var = $(eval $(print_var_code)) $(info $(MSG))
1005define print_var_code
1006    MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
1007endef
1008
1009ifeq ($(VF),1)
1010  # Display EXTRA features which are detected manualy
1011  # from here with feature_check call and thus cannot
1012  # be partof global state output.
1013  $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),))
1014  $(call print_var,prefix)
1015  $(call print_var,bindir)
1016  $(call print_var,libdir)
1017  $(call print_var,sysconfdir)
1018  $(call print_var,LIBUNWIND_DIR)
1019  $(call print_var,LIBDW_DIR)
1020  $(call print_var,JDIR)
1021
1022  ifeq ($(dwarf-post-unwind),1)
1023    $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
1024  endif
1025  $(info )
1026endif
1027
1028$(call detected_var,bindir_SQ)
1029$(call detected_var,PYTHON_WORD)
1030ifneq ($(OUTPUT),)
1031$(call detected_var,OUTPUT)
1032endif
1033$(call detected_var,htmldir_SQ)
1034$(call detected_var,infodir_SQ)
1035$(call detected_var,mandir_SQ)
1036$(call detected_var,ETC_PERFCONFIG_SQ)
1037$(call detected_var,STRACE_GROUPS_DIR_SQ)
1038$(call detected_var,prefix_SQ)
1039$(call detected_var,perfexecdir_SQ)
1040$(call detected_var,perf_include_dir_SQ)
1041$(call detected_var,perf_examples_dir_SQ)
1042$(call detected_var,tipdir_SQ)
1043$(call detected_var,srcdir_SQ)
1044$(call detected_var,LIBDIR)
1045$(call detected_var,GTK_CFLAGS)
1046$(call detected_var,PERL_EMBED_CCOPTS)
1047$(call detected_var,PYTHON_EMBED_CCOPTS)
1048