xref: /openbmc/linux/tools/perf/Makefile.config (revision a61127c2) 
1# SPDX-License-Identifier: GPL-2.0-only
2
3ifeq ($(src-perf),)
4src-perf := $(srctree)/tools/perf
5endif
6
7ifeq ($(obj-perf),)
8obj-perf := $(OUTPUT)
9endif
10
11ifneq ($(obj-perf),)
12obj-perf := $(abspath $(obj-perf))/
13endif
14
15$(shell printf "" > $(OUTPUT).config-detected)
16detected     = $(shell echo "$(1)=y"       >> $(OUTPUT).config-detected)
17detected_var = $(shell echo "$(1)=$($(1))" >> $(OUTPUT).config-detected)
18
19CFLAGS := $(EXTRA_CFLAGS) $(EXTRA_WARNINGS)
20
21include $(srctree)/tools/scripts/Makefile.arch
22
23$(call detected_var,SRCARCH)
24
25NO_PERF_REGS := 1
26NO_SYSCALL_TABLE := 1
27
28# Additional ARCH settings for ppc
29ifeq ($(SRCARCH),powerpc)
30  NO_PERF_REGS := 0
31  NO_SYSCALL_TABLE := 0
32  CFLAGS += -I$(OUTPUT)arch/powerpc/include/generated
33  LIBUNWIND_LIBS := -lunwind -lunwind-ppc64
34endif
35
36# Additional ARCH settings for x86
37ifeq ($(SRCARCH),x86)
38  $(call detected,CONFIG_X86)
39  ifeq (${IS_64_BIT}, 1)
40    NO_SYSCALL_TABLE := 0
41    CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT -I$(OUTPUT)arch/x86/include/generated
42    ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
43    LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind -llzma
44    $(call detected,CONFIG_X86_64)
45  else
46    LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind
47  endif
48  NO_PERF_REGS := 0
49endif
50
51ifeq ($(SRCARCH),arm)
52  NO_PERF_REGS := 0
53  LIBUNWIND_LIBS = -lunwind -lunwind-arm
54endif
55
56ifeq ($(SRCARCH),arm64)
57  NO_PERF_REGS := 0
58  NO_SYSCALL_TABLE := 0
59  CFLAGS += -I$(OUTPUT)arch/arm64/include/generated
60  LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
61endif
62
63ifeq ($(SRCARCH),csky)
64  NO_PERF_REGS := 0
65endif
66
67ifeq ($(ARCH),s390)
68  NO_PERF_REGS := 0
69  NO_SYSCALL_TABLE := 0
70  CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated
71endif
72
73ifeq ($(NO_PERF_REGS),0)
74  $(call detected,CONFIG_PERF_REGS)
75endif
76
77ifneq ($(NO_SYSCALL_TABLE),1)
78  CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT
79endif
80
81# So far there's only x86 and arm libdw unwind support merged in perf.
82# Disable it on all other architectures in case libdw unwind
83# support is detected in system. Add supported architectures
84# to the check.
85ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390 csky))
86  NO_LIBDW_DWARF_UNWIND := 1
87endif
88
89ifeq ($(LIBUNWIND_LIBS),)
90  NO_LIBUNWIND := 1
91endif
92#
93# For linking with debug library, run like:
94#
95#   make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
96#
97
98libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
99define libunwind_arch_set_flags_code
100  FEATURE_CHECK_CFLAGS-libunwind-$(1)  = -I$(LIBUNWIND_DIR)/include
101  FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
102endef
103
104ifdef LIBUNWIND_DIR
105  LIBUNWIND_CFLAGS  = -I$(LIBUNWIND_DIR)/include
106  LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
107  LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64
108  $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
109endif
110
111# Set per-feature check compilation flags
112FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
113FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
114FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
115FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
116
117FEATURE_CHECK_LDFLAGS-libunwind-arm = -lunwind -lunwind-arm
118FEATURE_CHECK_LDFLAGS-libunwind-aarch64 = -lunwind -lunwind-aarch64
119FEATURE_CHECK_LDFLAGS-libunwind-x86 = -lunwind -llzma -lunwind-x86
120FEATURE_CHECK_LDFLAGS-libunwind-x86_64 = -lunwind -llzma -lunwind-x86_64
121
122FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto
123
124ifdef CSINCLUDES
125  LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)
126endif
127OPENCSDLIBS := -lopencsd_c_api -lopencsd
128ifdef CSLIBS
129  LIBOPENCSD_LDFLAGS := -L$(CSLIBS)
130endif
131FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS)
132FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS)
133
134ifeq ($(NO_PERF_REGS),0)
135  CFLAGS += -DHAVE_PERF_REGS_SUPPORT
136endif
137
138# for linking with debug library, run like:
139# make DEBUG=1 LIBDW_DIR=/opt/libdw/
140ifdef LIBDW_DIR
141  LIBDW_CFLAGS  := -I$(LIBDW_DIR)/include
142  LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
143endif
144DWARFLIBS := -ldw
145ifeq ($(findstring -static,${LDFLAGS}),-static)
146  DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2
147endif
148FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
149FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS)
150
151# for linking with debug library, run like:
152# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
153ifdef LIBBABELTRACE_DIR
154  LIBBABELTRACE_CFLAGS  := -I$(LIBBABELTRACE_DIR)/include
155  LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
156endif
157FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
158FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
159
160ifdef LIBZSTD_DIR
161  LIBZSTD_CFLAGS  := -I$(LIBZSTD_DIR)/lib
162  LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib
163endif
164FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS)
165FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS)
166
167FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi
168# include ARCH specific config
169-include $(src-perf)/arch/$(SRCARCH)/Makefile
170
171ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
172  CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
173endif
174
175include $(srctree)/tools/scripts/utilities.mak
176
177ifeq ($(call get-executable,$(FLEX)),)
178  dummy := $(error Error: $(FLEX) is missing on this system, please install it)
179endif
180
181ifeq ($(call get-executable,$(BISON)),)
182  dummy := $(error Error: $(BISON) is missing on this system, please install it)
183endif
184
185# Treat warnings as errors unless directed not to
186ifneq ($(WERROR),0)
187  CFLAGS += -Werror
188  CXXFLAGS += -Werror
189endif
190
191ifndef DEBUG
192  DEBUG := 0
193endif
194
195ifeq ($(DEBUG),0)
196ifeq ($(CC_NO_CLANG), 0)
197  CFLAGS += -O3
198else
199  CFLAGS += -O6
200endif
201endif
202
203ifdef PARSER_DEBUG
204  PARSER_DEBUG_BISON := -t
205  PARSER_DEBUG_FLEX  := -d
206  CFLAGS             += -DPARSER_DEBUG
207  $(call detected_var,PARSER_DEBUG_BISON)
208  $(call detected_var,PARSER_DEBUG_FLEX)
209endif
210
211# Try different combinations to accommodate systems that only have
212# python[2][-config] in weird combinations but always preferring
213# python2 and python2-config as per pep-0394. If we catch a
214# python[-config] in version 3, the version check will kill it.
215PYTHON2 := $(if $(call get-executable,python2),python2,python)
216override PYTHON := $(call get-executable-or-default,PYTHON,$(PYTHON2))
217PYTHON2_CONFIG := \
218  $(if $(call get-executable,$(PYTHON)-config),$(PYTHON)-config,python-config)
219override PYTHON_CONFIG := \
220  $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON2_CONFIG))
221
222grep-libs  = $(filter -l%,$(1))
223strip-libs  = $(filter-out -l%,$(1))
224
225PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
226
227ifdef PYTHON_CONFIG
228  PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
229  PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
230  PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
231  PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null)
232  FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
233endif
234
235FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
236FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
237FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
238FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
239
240FEATURE_CHECK_LDFLAGS-libaio = -lrt
241
242FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes -ldl
243
244CFLAGS += -fno-omit-frame-pointer
245CFLAGS += -ggdb3
246CFLAGS += -funwind-tables
247CFLAGS += -Wall
248CFLAGS += -Wextra
249CFLAGS += -std=gnu99
250
251CXXFLAGS += -std=gnu++11 -fno-exceptions -fno-rtti
252CXXFLAGS += -Wall
253CXXFLAGS += -fno-omit-frame-pointer
254CXXFLAGS += -ggdb3
255CXXFLAGS += -funwind-tables
256CXXFLAGS += -Wno-strict-aliasing
257
258# Enforce a non-executable stack, as we may regress (again) in the future by
259# adding assembler files missing the .GNU-stack linker note.
260LDFLAGS += -Wl,-z,noexecstack
261
262EXTLIBS = -lpthread -lrt -lm -ldl
263
264ifeq ($(FEATURES_DUMP),)
265include $(srctree)/tools/build/Makefile.feature
266else
267include $(FEATURES_DUMP)
268endif
269
270ifeq ($(feature-stackprotector-all), 1)
271  CFLAGS += -fstack-protector-all
272endif
273
274ifeq ($(DEBUG),0)
275  ifeq ($(feature-fortify-source), 1)
276    CFLAGS += -D_FORTIFY_SOURCE=2
277  endif
278endif
279
280INC_FLAGS += -I$(src-perf)/util/include
281INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
282INC_FLAGS += -I$(srctree)/tools/include/uapi
283INC_FLAGS += -I$(srctree)/tools/include/
284INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
285INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
286INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
287
288# $(obj-perf)      for generated common-cmds.h
289# $(obj-perf)/util for generated bison/flex headers
290ifneq ($(OUTPUT),)
291INC_FLAGS += -I$(obj-perf)/util
292INC_FLAGS += -I$(obj-perf)
293endif
294
295INC_FLAGS += -I$(src-perf)/util
296INC_FLAGS += -I$(src-perf)
297INC_FLAGS += -I$(srctree)/tools/lib/
298
299CFLAGS   += $(INC_FLAGS)
300CXXFLAGS += $(INC_FLAGS)
301
302CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
303
304ifeq ($(feature-sync-compare-and-swap), 1)
305  CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
306endif
307
308ifeq ($(feature-pthread-attr-setaffinity-np), 1)
309  CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
310endif
311
312ifeq ($(feature-pthread-barrier), 1)
313  CFLAGS += -DHAVE_PTHREAD_BARRIER
314endif
315
316ifndef NO_BIONIC
317  $(call feature_check,bionic)
318  ifeq ($(feature-bionic), 1)
319    BIONIC := 1
320    CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE
321    CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE
322    EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
323    EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
324  endif
325endif
326
327ifeq ($(feature-eventfd), 1)
328  CFLAGS += -DHAVE_EVENTFD
329endif
330
331ifeq ($(feature-get_current_dir_name), 1)
332  CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME
333endif
334
335ifdef NO_LIBELF
336  NO_DWARF := 1
337  NO_DEMANGLE := 1
338  NO_LIBUNWIND := 1
339  NO_LIBDW_DWARF_UNWIND := 1
340  NO_LIBBPF := 1
341  NO_JVMTI := 1
342else
343  ifeq ($(feature-libelf), 0)
344    ifeq ($(feature-glibc), 1)
345      LIBC_SUPPORT := 1
346    endif
347    ifeq ($(BIONIC),1)
348      LIBC_SUPPORT := 1
349    endif
350    ifeq ($(LIBC_SUPPORT),1)
351      msg := $(warning No libelf found. Disables 'probe' tool, jvmti and BPF support in 'perf record'. Please install libelf-dev, libelf-devel or elfutils-libelf-devel);
352
353      NO_LIBELF := 1
354      NO_DWARF := 1
355      NO_DEMANGLE := 1
356      NO_LIBUNWIND := 1
357      NO_LIBDW_DWARF_UNWIND := 1
358      NO_LIBBPF := 1
359      NO_JVMTI := 1
360    else
361      ifneq ($(filter s% -static%,$(LDFLAGS),),)
362        msg := $(error No static glibc found, please install glibc-static);
363      else
364        msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
365      endif
366    endif
367  else
368    ifndef NO_LIBDW_DWARF_UNWIND
369      ifneq ($(feature-libdw-dwarf-unwind),1)
370        NO_LIBDW_DWARF_UNWIND := 1
371        msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
372      endif
373    endif
374    ifneq ($(feature-dwarf), 1)
375      ifndef NO_DWARF
376        msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
377        NO_DWARF := 1
378      endif
379    else
380      ifneq ($(feature-dwarf_getlocations), 1)
381        msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
382      else
383        CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT
384      endif # dwarf_getlocations
385    endif # Dwarf support
386  endif # libelf support
387endif # NO_LIBELF
388
389ifeq ($(feature-glibc), 1)
390  CFLAGS += -DHAVE_GLIBC_SUPPORT
391endif
392
393ifeq ($(feature-libaio), 1)
394  ifndef NO_AIO
395    CFLAGS += -DHAVE_AIO_SUPPORT
396  endif
397endif
398
399ifdef NO_DWARF
400  NO_LIBDW_DWARF_UNWIND := 1
401endif
402
403ifeq ($(feature-sched_getcpu), 1)
404  CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
405endif
406
407ifeq ($(feature-setns), 1)
408  CFLAGS += -DHAVE_SETNS_SUPPORT
409  $(call detected,CONFIG_SETNS)
410endif
411
412ifdef CORESIGHT
413  $(call feature_check,libopencsd)
414  ifeq ($(feature-libopencsd), 1)
415    CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
416    LDFLAGS += $(LIBOPENCSD_LDFLAGS)
417    EXTLIBS += $(OPENCSDLIBS)
418    $(call detected,CONFIG_LIBOPENCSD)
419    ifdef CSTRACE_RAW
420      CFLAGS += -DCS_DEBUG_RAW
421      ifeq (${CSTRACE_RAW}, packed)
422        CFLAGS += -DCS_RAW_PACKED
423      endif
424    endif
425  endif
426endif
427
428ifndef NO_LIBELF
429  CFLAGS += -DHAVE_LIBELF_SUPPORT
430  EXTLIBS += -lelf
431  $(call detected,CONFIG_LIBELF)
432
433  ifeq ($(feature-libelf-mmap), 1)
434    CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
435  endif
436
437  ifeq ($(feature-libelf-getphdrnum), 1)
438    CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
439  endif
440
441  ifeq ($(feature-libelf-gelf_getnote), 1)
442    CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
443  else
444    msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
445  endif
446
447  ifeq ($(feature-libelf-getshdrstrndx), 1)
448    CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
449  endif
450
451  ifndef NO_DWARF
452    ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
453      msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
454      NO_DWARF := 1
455    else
456      CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
457      LDFLAGS += $(LIBDW_LDFLAGS)
458      EXTLIBS += ${DWARFLIBS}
459      $(call detected,CONFIG_DWARF)
460    endif # PERF_HAVE_DWARF_REGS
461  endif # NO_DWARF
462
463  ifndef NO_LIBBPF
464    ifeq ($(feature-bpf), 1)
465      CFLAGS += -DHAVE_LIBBPF_SUPPORT
466      $(call detected,CONFIG_LIBBPF)
467    endif
468
469    ifndef NO_DWARF
470      ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
471        CFLAGS += -DHAVE_BPF_PROLOGUE
472        $(call detected,CONFIG_BPF_PROLOGUE)
473      else
474        msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset());
475      endif
476    else
477      msg := $(warning DWARF support is off, BPF prologue is disabled);
478    endif
479
480  endif # NO_LIBBPF
481endif # NO_LIBELF
482
483ifndef NO_SDT
484  ifneq ($(feature-sdt), 1)
485    msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
486    NO_SDT := 1;
487  else
488    CFLAGS += -DHAVE_SDT_EVENT
489    $(call detected,CONFIG_SDT_EVENT)
490  endif
491endif
492
493ifdef PERF_HAVE_JITDUMP
494  ifndef NO_LIBELF
495    $(call detected,CONFIG_JITDUMP)
496    CFLAGS += -DHAVE_JITDUMP
497  endif
498endif
499
500ifeq ($(SRCARCH),powerpc)
501  ifndef NO_DWARF
502    CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
503  endif
504endif
505
506ifndef NO_LIBUNWIND
507  have_libunwind :=
508
509  $(call feature_check,libunwind-x86)
510  ifeq ($(feature-libunwind-x86), 1)
511    $(call detected,CONFIG_LIBUNWIND_X86)
512    CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
513    LDFLAGS += -lunwind-x86
514    EXTLIBS_LIBUNWIND += -lunwind-x86
515    have_libunwind = 1
516  endif
517
518  $(call feature_check,libunwind-aarch64)
519  ifeq ($(feature-libunwind-aarch64), 1)
520    $(call detected,CONFIG_LIBUNWIND_AARCH64)
521    CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
522    LDFLAGS += -lunwind-aarch64
523    EXTLIBS_LIBUNWIND += -lunwind-aarch64
524    have_libunwind = 1
525    $(call feature_check,libunwind-debug-frame-aarch64)
526    ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
527      msg := $(warning No debug_frame support found in libunwind-aarch64);
528      CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
529    endif
530  endif
531
532  ifneq ($(feature-libunwind), 1)
533    msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
534    NO_LOCAL_LIBUNWIND := 1
535  else
536    have_libunwind := 1
537    $(call detected,CONFIG_LOCAL_LIBUNWIND)
538  endif
539
540  ifneq ($(have_libunwind), 1)
541    NO_LIBUNWIND := 1
542  endif
543else
544  NO_LOCAL_LIBUNWIND := 1
545endif
546
547ifndef NO_LIBBPF
548  ifneq ($(feature-bpf), 1)
549    msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
550    NO_LIBBPF := 1
551  endif
552endif
553
554dwarf-post-unwind := 1
555dwarf-post-unwind-text := BUG
556
557# setup DWARF post unwinder
558ifdef NO_LIBUNWIND
559  ifdef NO_LIBDW_DWARF_UNWIND
560    msg := $(warning Disabling post unwind, no support found.);
561    dwarf-post-unwind := 0
562  else
563    dwarf-post-unwind-text := libdw
564    $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
565  endif
566else
567  dwarf-post-unwind-text := libunwind
568  $(call detected,CONFIG_LIBUNWIND)
569  # Enable libunwind support by default.
570  ifndef NO_LIBDW_DWARF_UNWIND
571    NO_LIBDW_DWARF_UNWIND := 1
572  endif
573endif
574
575ifeq ($(dwarf-post-unwind),1)
576  CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
577  $(call detected,CONFIG_DWARF_UNWIND)
578else
579  NO_DWARF_UNWIND := 1
580endif
581
582ifndef NO_LOCAL_LIBUNWIND
583  ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
584    $(call feature_check,libunwind-debug-frame)
585    ifneq ($(feature-libunwind-debug-frame), 1)
586      msg := $(warning No debug_frame support found in libunwind);
587      CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
588    endif
589  else
590    # non-ARM has no dwarf_find_debug_frame() function:
591    CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
592  endif
593  EXTLIBS += $(LIBUNWIND_LIBS)
594  LDFLAGS += $(LIBUNWIND_LIBS)
595endif
596ifeq ($(findstring -static,${LDFLAGS}),-static)
597  # gcc -static links libgcc_eh which contans piece of libunwind
598  LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
599endif
600
601ifndef NO_LIBUNWIND
602  CFLAGS  += -DHAVE_LIBUNWIND_SUPPORT
603  CFLAGS  += $(LIBUNWIND_CFLAGS)
604  LDFLAGS += $(LIBUNWIND_LDFLAGS)
605  EXTLIBS += $(EXTLIBS_LIBUNWIND)
606endif
607
608ifeq ($(NO_SYSCALL_TABLE),0)
609  $(call detected,CONFIG_TRACE)
610else
611  ifndef NO_LIBAUDIT
612    ifneq ($(feature-libaudit), 1)
613      msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
614      NO_LIBAUDIT := 1
615    else
616      CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
617      EXTLIBS += -laudit
618      $(call detected,CONFIG_TRACE)
619    endif
620  endif
621endif
622
623ifndef NO_LIBCRYPTO
624  ifneq ($(feature-libcrypto), 1)
625    msg := $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev);
626    NO_LIBCRYPTO := 1
627  else
628    CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
629    EXTLIBS += -lcrypto
630    $(call detected,CONFIG_CRYPTO)
631  endif
632endif
633
634ifdef NO_NEWT
635  NO_SLANG=1
636endif
637
638ifndef NO_SLANG
639  ifneq ($(feature-libslang), 1)
640    msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
641    NO_SLANG := 1
642  else
643    # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
644    CFLAGS += -I/usr/include/slang
645    CFLAGS += -DHAVE_SLANG_SUPPORT
646    EXTLIBS += -lslang
647    $(call detected,CONFIG_SLANG)
648  endif
649endif
650
651ifndef NO_GTK2
652  FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
653  ifneq ($(feature-gtk2), 1)
654    msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
655    NO_GTK2 := 1
656  else
657    ifeq ($(feature-gtk2-infobar), 1)
658      GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
659    endif
660    CFLAGS += -DHAVE_GTK2_SUPPORT
661    GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
662    GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
663    EXTLIBS += -ldl
664  endif
665endif
666
667ifdef NO_LIBPERL
668  CFLAGS += -DNO_LIBPERL
669else
670  PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
671  PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
672  PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
673  PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
674  PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
675  PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
676  FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
677
678  ifneq ($(feature-libperl), 1)
679    CFLAGS += -DNO_LIBPERL
680    NO_LIBPERL := 1
681    msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
682  else
683    LDFLAGS += $(PERL_EMBED_LDFLAGS)
684    EXTLIBS += $(PERL_EMBED_LIBADD)
685    CFLAGS += -DHAVE_LIBPERL_SUPPORT
686    $(call detected,CONFIG_LIBPERL)
687  endif
688endif
689
690ifeq ($(feature-timerfd), 1)
691  CFLAGS += -DHAVE_TIMERFD_SUPPORT
692else
693  msg := $(warning No timerfd support. Disables 'perf kvm stat live');
694endif
695
696disable-python = $(eval $(disable-python_code))
697define disable-python_code
698  CFLAGS += -DNO_LIBPYTHON
699  $(warning $1)
700  NO_LIBPYTHON := 1
701endef
702
703ifdef NO_LIBPYTHON
704  $(call disable-python,Python support disabled by user)
705else
706
707  ifndef PYTHON
708    $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
709  else
710    PYTHON_WORD := $(call shell-wordify,$(PYTHON))
711
712    ifndef PYTHON_CONFIG
713      $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
714    else
715
716      ifneq ($(feature-libpython), 1)
717        $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
718      else
719         LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
720         EXTLIBS += $(PYTHON_EMBED_LIBADD)
721         LANG_BINDINGS += $(obj-perf)python/perf.so
722         CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
723         $(call detected,CONFIG_LIBPYTHON)
724      endif
725    endif
726  endif
727endif
728
729ifeq ($(feature-libbfd), 1)
730  EXTLIBS += -lbfd -lopcodes
731else
732  # we are on a system that requires -liberty and (maybe) -lz
733  # to link against -lbfd; test each case individually here
734
735  # call all detections now so we get correct
736  # status in VF output
737  $(call feature_check,libbfd-liberty)
738  $(call feature_check,libbfd-liberty-z)
739
740  ifeq ($(feature-libbfd-liberty), 1)
741    EXTLIBS += -lbfd -lopcodes -liberty
742    FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl
743  else
744    ifeq ($(feature-libbfd-liberty-z), 1)
745      EXTLIBS += -lbfd -lopcodes -liberty -lz
746      FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl
747    endif
748  endif
749  $(call feature_check,disassembler-four-args)
750endif
751
752ifdef NO_DEMANGLE
753  CFLAGS += -DNO_DEMANGLE
754else
755  ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
756    EXTLIBS += -liberty
757  else
758    ifeq ($(filter -liberty,$(EXTLIBS)),)
759      $(call feature_check,cplus-demangle)
760
761      # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
762      # or any of 'bfd iberty z' trinity
763      ifeq ($(feature-cplus-demangle), 1)
764        EXTLIBS += -liberty
765      else
766        msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
767        CFLAGS += -DNO_DEMANGLE
768      endif
769    endif
770  endif
771
772  ifneq ($(filter -liberty,$(EXTLIBS)),)
773    CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
774  endif
775endif
776
777ifneq ($(filter -lbfd,$(EXTLIBS)),)
778  CFLAGS += -DHAVE_LIBBFD_SUPPORT
779endif
780
781ifndef NO_ZLIB
782  ifeq ($(feature-zlib), 1)
783    CFLAGS += -DHAVE_ZLIB_SUPPORT
784    EXTLIBS += -lz
785    $(call detected,CONFIG_ZLIB)
786  else
787    NO_ZLIB := 1
788  endif
789endif
790
791ifndef NO_LZMA
792  ifeq ($(feature-lzma), 1)
793    CFLAGS += -DHAVE_LZMA_SUPPORT
794    EXTLIBS += -llzma
795    $(call detected,CONFIG_LZMA)
796  else
797    msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
798    NO_LZMA := 1
799  endif
800endif
801
802ifndef NO_LIBZSTD
803  ifeq ($(feature-libzstd), 1)
804    CFLAGS += -DHAVE_ZSTD_SUPPORT
805    CFLAGS += $(LIBZSTD_CFLAGS)
806    LDFLAGS += $(LIBZSTD_LDFLAGS)
807    EXTLIBS += -lzstd
808    $(call detected,CONFIG_ZSTD)
809  else
810    msg := $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR);
811    NO_LIBZSTD := 1
812  endif
813endif
814
815ifndef NO_BACKTRACE
816  ifeq ($(feature-backtrace), 1)
817    CFLAGS += -DHAVE_BACKTRACE_SUPPORT
818  endif
819endif
820
821ifndef NO_LIBNUMA
822  ifeq ($(feature-libnuma), 0)
823    msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
824    NO_LIBNUMA := 1
825  else
826    ifeq ($(feature-numa_num_possible_cpus), 0)
827      msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
828      NO_LIBNUMA := 1
829    else
830      CFLAGS += -DHAVE_LIBNUMA_SUPPORT
831      EXTLIBS += -lnuma
832      $(call detected,CONFIG_NUMA)
833    endif
834  endif
835endif
836
837ifdef HAVE_KVM_STAT_SUPPORT
838    CFLAGS += -DHAVE_KVM_STAT_SUPPORT
839endif
840
841ifeq ($(feature-disassembler-four-args), 1)
842    CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
843endif
844
845ifeq (${IS_64_BIT}, 1)
846  ifndef NO_PERF_READ_VDSO32
847    $(call feature_check,compile-32)
848    ifeq ($(feature-compile-32), 1)
849      CFLAGS += -DHAVE_PERF_READ_VDSO32
850    else
851      NO_PERF_READ_VDSO32 := 1
852    endif
853  endif
854  ifneq ($(SRCARCH), x86)
855    NO_PERF_READ_VDSOX32 := 1
856  endif
857  ifndef NO_PERF_READ_VDSOX32
858    $(call feature_check,compile-x32)
859    ifeq ($(feature-compile-x32), 1)
860      CFLAGS += -DHAVE_PERF_READ_VDSOX32
861    else
862      NO_PERF_READ_VDSOX32 := 1
863    endif
864  endif
865else
866  NO_PERF_READ_VDSO32 := 1
867  NO_PERF_READ_VDSOX32 := 1
868endif
869
870ifndef NO_LIBBABELTRACE
871  $(call feature_check,libbabeltrace)
872  ifeq ($(feature-libbabeltrace), 1)
873    CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
874    LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
875    EXTLIBS += -lbabeltrace-ctf
876    $(call detected,CONFIG_LIBBABELTRACE)
877  else
878    msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
879  endif
880endif
881
882ifndef NO_AUXTRACE
883  ifeq ($(SRCARCH),x86)
884    ifeq ($(feature-get_cpuid), 0)
885      msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
886      NO_AUXTRACE := 1
887    endif
888  endif
889  ifndef NO_AUXTRACE
890    $(call detected,CONFIG_AUXTRACE)
891    CFLAGS += -DHAVE_AUXTRACE_SUPPORT
892  endif
893endif
894
895ifndef NO_JVMTI
896  ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
897    JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
898  else
899    ifneq (,$(wildcard /usr/sbin/alternatives))
900      JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed 's%/jre/bin/java.%%g')
901    endif
902  endif
903  ifndef JDIR
904    $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
905    NO_JVMTI := 1
906  endif
907endif
908
909ifndef NO_JVMTI
910  FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
911  $(call feature_check,jvmti)
912  ifeq ($(feature-jvmti), 1)
913    $(call detected_var,JDIR)
914    ifndef NO_JVMTI_CMLR
915      FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti)
916      $(call feature_check,jvmti-cmlr)
917      ifeq ($(feature-jvmti-cmlr), 1)
918        CFLAGS += -DHAVE_JVMTI_CMLR
919      endif
920    endif # NO_JVMTI_CMLR
921  else
922    $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel)
923    NO_JVMTI := 1
924  endif
925endif
926
927USE_CXX = 0
928USE_CLANGLLVM = 0
929ifdef LIBCLANGLLVM
930  $(call feature_check,cxx)
931  ifneq ($(feature-cxx), 1)
932    msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
933  else
934    $(call feature_check,llvm)
935    $(call feature_check,llvm-version)
936    ifneq ($(feature-llvm), 1)
937      msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
938    else
939      $(call feature_check,clang)
940      ifneq ($(feature-clang), 1)
941        msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
942      else
943        CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
944        CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
945        $(call detected,CONFIG_CXX)
946        $(call detected,CONFIG_CLANGLLVM)
947	USE_CXX = 1
948	USE_LLVM = 1
949	USE_CLANG = 1
950        ifneq ($(feature-llvm-version),1)
951          msg := $(warning This version of LLVM is not tested. May cause build errors)
952        endif
953      endif
954    endif
955  endif
956endif
957
958# Among the variables below, these:
959#   perfexecdir
960#   perf_include_dir
961#   perf_examples_dir
962#   template_dir
963#   mandir
964#   infodir
965#   htmldir
966#   ETC_PERFCONFIG (but not sysconfdir)
967# can be specified as a relative path some/where/else;
968# this is interpreted as relative to $(prefix) and "perf" at
969# runtime figures out where they are based on the path to the executable.
970# This can help installing the suite in a relocatable way.
971
972# Make the path relative to DESTDIR, not to prefix
973ifndef DESTDIR
974prefix ?= $(HOME)
975endif
976bindir_relative = bin
977bindir = $(abspath $(prefix)/$(bindir_relative))
978mandir = share/man
979infodir = share/info
980perfexecdir = libexec/perf-core
981perf_include_dir = lib/perf/include
982perf_examples_dir = lib/perf/examples
983sharedir = $(prefix)/share
984template_dir = share/perf-core/templates
985STRACE_GROUPS_DIR = share/perf-core/strace/groups
986htmldir = share/doc/perf-doc
987tipdir = share/doc/perf-tip
988srcdir = $(srctree)/tools/perf
989ifeq ($(prefix),/usr)
990sysconfdir = /etc
991ETC_PERFCONFIG = $(sysconfdir)/perfconfig
992else
993sysconfdir = $(prefix)/etc
994ETC_PERFCONFIG = etc/perfconfig
995endif
996ifndef lib
997ifeq ($(SRCARCH)$(IS_64_BIT), x861)
998lib = lib64
999else
1000lib = lib
1001endif
1002endif # lib
1003libdir = $(prefix)/$(lib)
1004
1005# Shell quote (do not use $(call) to accommodate ancient setups);
1006ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
1007STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
1008DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
1009bindir_SQ = $(subst ','\'',$(bindir))
1010mandir_SQ = $(subst ','\'',$(mandir))
1011infodir_SQ = $(subst ','\'',$(infodir))
1012perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
1013perf_include_dir_SQ = $(subst ','\'',$(perf_include_dir))
1014perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir))
1015template_dir_SQ = $(subst ','\'',$(template_dir))
1016htmldir_SQ = $(subst ','\'',$(htmldir))
1017tipdir_SQ = $(subst ','\'',$(tipdir))
1018prefix_SQ = $(subst ','\'',$(prefix))
1019sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
1020libdir_SQ = $(subst ','\'',$(libdir))
1021srcdir_SQ = $(subst ','\'',$(srcdir))
1022
1023ifneq ($(filter /%,$(firstword $(perfexecdir))),)
1024perfexec_instdir = $(perfexecdir)
1025perf_include_instdir = $(perf_include_dir)
1026perf_examples_instdir = $(perf_examples_dir)
1027STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
1028tip_instdir = $(tipdir)
1029else
1030perfexec_instdir = $(prefix)/$(perfexecdir)
1031perf_include_instdir = $(prefix)/$(perf_include_dir)
1032perf_examples_instdir = $(prefix)/$(perf_examples_dir)
1033STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
1034tip_instdir = $(prefix)/$(tipdir)
1035endif
1036perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
1037perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir))
1038perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir))
1039STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
1040tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
1041
1042# If we install to $(HOME) we keep the traceevent default:
1043# $(HOME)/.traceevent/plugins
1044# Otherwise we install plugins into the global $(libdir).
1045ifdef DESTDIR
1046plugindir=$(libdir)/traceevent/plugins
1047plugindir_SQ= $(subst ','\'',$(plugindir))
1048endif
1049
1050print_var = $(eval $(print_var_code)) $(info $(MSG))
1051define print_var_code
1052    MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
1053endef
1054
1055ifeq ($(VF),1)
1056  # Display EXTRA features which are detected manualy
1057  # from here with feature_check call and thus cannot
1058  # be partof global state output.
1059  $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),))
1060  $(call print_var,prefix)
1061  $(call print_var,bindir)
1062  $(call print_var,libdir)
1063  $(call print_var,sysconfdir)
1064  $(call print_var,LIBUNWIND_DIR)
1065  $(call print_var,LIBDW_DIR)
1066  $(call print_var,JDIR)
1067
1068  ifeq ($(dwarf-post-unwind),1)
1069    $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
1070  endif
1071  $(info )
1072endif
1073
1074$(call detected_var,bindir_SQ)
1075$(call detected_var,PYTHON_WORD)
1076ifneq ($(OUTPUT),)
1077$(call detected_var,OUTPUT)
1078endif
1079$(call detected_var,htmldir_SQ)
1080$(call detected_var,infodir_SQ)
1081$(call detected_var,mandir_SQ)
1082$(call detected_var,ETC_PERFCONFIG_SQ)
1083$(call detected_var,STRACE_GROUPS_DIR_SQ)
1084$(call detected_var,prefix_SQ)
1085$(call detected_var,perfexecdir_SQ)
1086$(call detected_var,perf_include_dir_SQ)
1087$(call detected_var,perf_examples_dir_SQ)
1088$(call detected_var,tipdir_SQ)
1089$(call detected_var,srcdir_SQ)
1090$(call detected_var,LIBDIR)
1091$(call detected_var,GTK_CFLAGS)
1092$(call detected_var,PERL_EMBED_CCOPTS)
1093$(call detected_var,PYTHON_EMBED_CCOPTS)
1094