xref: /openbmc/linux/tools/perf/Makefile.config (revision 586cb1d6) 
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) $(filter-out -Wnested-externs,$(EXTRA_WARNINGS))
20HOSTCFLAGS := $(filter-out -Wnested-externs,$(EXTRA_WARNINGS))
21
22# Enabled Wthread-safety analysis for clang builds.
23ifeq ($(CC_NO_CLANG), 0)
24  CFLAGS += -Wthread-safety
25endif
26
27include $(srctree)/tools/scripts/Makefile.arch
28
29$(call detected_var,SRCARCH)
30
31NO_PERF_REGS := 1
32
33ifneq ($(NO_SYSCALL_TABLE),1)
34  NO_SYSCALL_TABLE := 1
35
36  ifeq ($(SRCARCH),x86)
37    ifeq (${IS_64_BIT}, 1)
38      NO_SYSCALL_TABLE := 0
39    endif
40  else
41    ifeq ($(SRCARCH),$(filter $(SRCARCH),powerpc arm64 s390 mips))
42      NO_SYSCALL_TABLE := 0
43    endif
44  endif
45
46  ifneq ($(NO_SYSCALL_TABLE),1)
47    CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT
48  endif
49endif
50
51# Additional ARCH settings for ppc
52ifeq ($(SRCARCH),powerpc)
53  NO_PERF_REGS := 0
54  CFLAGS += -I$(OUTPUT)arch/powerpc/include/generated
55  LIBUNWIND_LIBS := -lunwind -lunwind-ppc64
56endif
57
58# Additional ARCH settings for x86
59ifeq ($(SRCARCH),x86)
60  $(call detected,CONFIG_X86)
61  ifeq (${IS_64_BIT}, 1)
62    CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT -I$(OUTPUT)arch/x86/include/generated
63    ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
64    LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind -llzma
65    $(call detected,CONFIG_X86_64)
66  else
67    LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind
68  endif
69  NO_PERF_REGS := 0
70endif
71
72ifeq ($(SRCARCH),arm)
73  NO_PERF_REGS := 0
74  LIBUNWIND_LIBS = -lunwind -lunwind-arm
75endif
76
77ifeq ($(SRCARCH),arm64)
78  NO_PERF_REGS := 0
79  CFLAGS += -I$(OUTPUT)arch/arm64/include/generated
80  LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
81endif
82
83ifeq ($(SRCARCH),riscv)
84  NO_PERF_REGS := 0
85endif
86
87ifeq ($(SRCARCH),csky)
88  NO_PERF_REGS := 0
89endif
90
91ifeq ($(ARCH),s390)
92  NO_PERF_REGS := 0
93  CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated
94endif
95
96ifeq ($(ARCH),mips)
97  NO_PERF_REGS := 0
98  CFLAGS += -I$(OUTPUT)arch/mips/include/generated
99  LIBUNWIND_LIBS = -lunwind -lunwind-mips
100endif
101
102ifeq ($(NO_PERF_REGS),0)
103  $(call detected,CONFIG_PERF_REGS)
104endif
105
106# So far there's only x86 and arm libdw unwind support merged in perf.
107# Disable it on all other architectures in case libdw unwind
108# support is detected in system. Add supported architectures
109# to the check.
110ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390 csky riscv))
111  NO_LIBDW_DWARF_UNWIND := 1
112endif
113
114ifeq ($(LIBUNWIND_LIBS),)
115  NO_LIBUNWIND := 1
116endif
117#
118# For linking with debug library, run like:
119#
120#   make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
121#
122
123libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
124define libunwind_arch_set_flags_code
125  FEATURE_CHECK_CFLAGS-libunwind-$(1)  = -I$(LIBUNWIND_DIR)/include
126  FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
127endef
128
129ifdef LIBUNWIND_DIR
130  LIBUNWIND_CFLAGS  = -I$(LIBUNWIND_DIR)/include
131  LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
132  LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64
133  $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
134endif
135
136# Set per-feature check compilation flags
137FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
138FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
139FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
140FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
141
142FEATURE_CHECK_LDFLAGS-libunwind-arm += -lunwind -lunwind-arm
143FEATURE_CHECK_LDFLAGS-libunwind-aarch64 += -lunwind -lunwind-aarch64
144FEATURE_CHECK_LDFLAGS-libunwind-x86 += -lunwind -llzma -lunwind-x86
145FEATURE_CHECK_LDFLAGS-libunwind-x86_64 += -lunwind -llzma -lunwind-x86_64
146
147FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto
148
149ifdef CSINCLUDES
150  LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)
151endif
152OPENCSDLIBS := -lopencsd_c_api
153ifeq ($(findstring -static,${LDFLAGS}),-static)
154  OPENCSDLIBS += -lopencsd -lstdc++
155endif
156ifdef CSLIBS
157  LIBOPENCSD_LDFLAGS := -L$(CSLIBS)
158endif
159FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS)
160FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS)
161
162ifeq ($(NO_PERF_REGS),0)
163  CFLAGS += -DHAVE_PERF_REGS_SUPPORT
164endif
165
166# for linking with debug library, run like:
167# make DEBUG=1 LIBDW_DIR=/opt/libdw/
168ifdef LIBDW_DIR
169  LIBDW_CFLAGS  := -I$(LIBDW_DIR)/include
170  LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
171endif
172DWARFLIBS := -ldw
173ifeq ($(findstring -static,${LDFLAGS}),-static)
174  DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2
175endif
176FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
177FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS)
178
179# for linking with debug library, run like:
180# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
181ifdef LIBBABELTRACE_DIR
182  LIBBABELTRACE_CFLAGS  := -I$(LIBBABELTRACE_DIR)/include
183  LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
184endif
185FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
186FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
187
188ifdef LIBZSTD_DIR
189  LIBZSTD_CFLAGS  := -I$(LIBZSTD_DIR)/lib
190  LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib
191endif
192FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS)
193FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS)
194
195FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi
196# include ARCH specific config
197-include $(src-perf)/arch/$(SRCARCH)/Makefile
198
199ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
200  CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
201endif
202
203include $(srctree)/tools/scripts/utilities.mak
204
205ifeq ($(call get-executable,$(FLEX)),)
206  dummy := $(error Error: $(FLEX) is missing on this system, please install it)
207endif
208
209ifeq ($(call get-executable,$(BISON)),)
210  dummy := $(error Error: $(BISON) is missing on this system, please install it)
211endif
212
213ifneq ($(OUTPUT),)
214  ifeq ($(shell expr $(shell $(BISON) --version | grep bison | sed -e 's/.\+ \([0-9]\+\).\([0-9]\+\).\([0-9]\+\)/\1\2\3/g') \>\= 371), 1)
215    BISON_FILE_PREFIX_MAP := --file-prefix-map=$(OUTPUT)=
216  endif
217endif
218
219# Treat warnings as errors unless directed not to
220ifneq ($(WERROR),0)
221  CORE_CFLAGS += -Werror
222  CXXFLAGS += -Werror
223  HOSTCFLAGS += -Werror
224endif
225
226ifndef DEBUG
227  DEBUG := 0
228endif
229
230ifeq ($(DEBUG),0)
231ifeq ($(CC_NO_CLANG), 0)
232  CORE_CFLAGS += -O3
233else
234  CORE_CFLAGS += -O6
235endif
236endif
237
238ifdef PARSER_DEBUG
239  PARSER_DEBUG_BISON := -t
240  PARSER_DEBUG_FLEX  := -d
241  CFLAGS             += -DPARSER_DEBUG
242  $(call detected_var,PARSER_DEBUG_BISON)
243  $(call detected_var,PARSER_DEBUG_FLEX)
244endif
245
246# Try different combinations to accommodate systems that only have
247# python[2][3]-config in weird combinations in the following order of
248# priority from lowest to highest:
249#   * python2-config as per pep-0394.
250#   * python-config
251#   * python3-config
252#   * $(PYTHON)-config (If PYTHON is user supplied but PYTHON_CONFIG isn't)
253#
254PYTHON_AUTO := python-config
255PYTHON_AUTO := $(if $(call get-executable,python2-config),python2-config,$(PYTHON_AUTO))
256PYTHON_AUTO := $(if $(call get-executable,python-config),python-config,$(PYTHON_AUTO))
257PYTHON_AUTO := $(if $(call get-executable,python3-config),python3-config,$(PYTHON_AUTO))
258
259# If PYTHON is defined but PYTHON_CONFIG isn't, then take $(PYTHON)-config as if it was the user
260# supplied value for PYTHON_CONFIG. Because it's "user supplied", error out if it doesn't exist.
261ifdef PYTHON
262  ifndef PYTHON_CONFIG
263    PYTHON_CONFIG_AUTO := $(call get-executable,$(PYTHON)-config)
264    PYTHON_CONFIG := $(if $(PYTHON_CONFIG_AUTO),$(PYTHON_CONFIG_AUTO),\
265                          $(call $(error $(PYTHON)-config not found)))
266  endif
267endif
268
269# Select either auto detected python and python-config or use user supplied values if they are
270# defined. get-executable-or-default fails with an error if the first argument is supplied but
271# doesn't exist.
272override PYTHON_CONFIG := $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON_AUTO))
273override PYTHON := $(call get-executable-or-default,PYTHON,$(subst -config,,$(PYTHON_CONFIG)))
274
275grep-libs  = $(filter -l%,$(1))
276strip-libs  = $(filter-out -l%,$(1))
277
278PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
279
280# Python 3.8 changed the output of `python-config --ldflags` to not include the
281# '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for
282# libpython fails if that flag is not included in LDFLAGS
283ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0)
284  PYTHON_CONFIG_LDFLAGS := --ldflags --embed
285else
286  PYTHON_CONFIG_LDFLAGS := --ldflags
287endif
288
289ifdef PYTHON_CONFIG
290  PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) $(PYTHON_CONFIG_LDFLAGS) 2>/dev/null)
291  PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
292  PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
293  PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null)
294  FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
295  ifeq ($(CC_NO_CLANG), 0)
296    PYTHON_EMBED_CCOPTS := $(filter-out -ffat-lto-objects, $(PYTHON_EMBED_CCOPTS))
297  endif
298endif
299
300FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
301FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
302
303FEATURE_CHECK_LDFLAGS-libaio = -lrt
304
305CORE_CFLAGS += -fno-omit-frame-pointer
306CORE_CFLAGS += -ggdb3
307CORE_CFLAGS += -funwind-tables
308CORE_CFLAGS += -Wall
309CORE_CFLAGS += -Wextra
310CORE_CFLAGS += -std=gnu11
311
312CXXFLAGS += -std=gnu++14 -fno-exceptions -fno-rtti
313CXXFLAGS += -Wall
314CXXFLAGS += -fno-omit-frame-pointer
315CXXFLAGS += -ggdb3
316CXXFLAGS += -funwind-tables
317CXXFLAGS += -Wno-strict-aliasing
318
319HOSTCFLAGS += -Wall
320HOSTCFLAGS += -Wextra
321
322# Enforce a non-executable stack, as we may regress (again) in the future by
323# adding assembler files missing the .GNU-stack linker note.
324LDFLAGS += -Wl,-z,noexecstack
325
326EXTLIBS = -lpthread -lrt -lm -ldl
327
328ifneq ($(TCMALLOC),)
329  CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free
330  EXTLIBS += -ltcmalloc
331endif
332
333ifeq ($(FEATURES_DUMP),)
334# We will display at the end of this Makefile.config, using $(call feature_display_entries),
335# as we may retry some feature detection here.
336  FEATURE_DISPLAY_DEFERRED := 1
337include $(srctree)/tools/build/Makefile.feature
338else
339include $(FEATURES_DUMP)
340endif
341
342ifeq ($(feature-stackprotector-all), 1)
343  CORE_CFLAGS += -fstack-protector-all
344endif
345
346ifeq ($(DEBUG),0)
347  ifeq ($(feature-fortify-source), 1)
348    CORE_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
349  endif
350endif
351
352INC_FLAGS += -I$(src-perf)/util/include
353INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
354INC_FLAGS += -I$(srctree)/tools/include/
355INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
356INC_FLAGS += -I$(srctree)/tools/include/uapi
357INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
358INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
359
360# $(obj-perf)      for generated common-cmds.h
361# $(obj-perf)/util for generated bison/flex headers
362ifneq ($(OUTPUT),)
363INC_FLAGS += -I$(obj-perf)/util
364INC_FLAGS += -I$(obj-perf)
365endif
366
367INC_FLAGS += -I$(src-perf)/util
368INC_FLAGS += -I$(src-perf)
369
370CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
371
372CFLAGS   += $(CORE_CFLAGS) $(INC_FLAGS)
373CXXFLAGS += $(INC_FLAGS)
374
375LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS)
376
377ifeq ($(feature-pthread-attr-setaffinity-np), 1)
378  CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
379endif
380
381ifeq ($(feature-pthread-barrier), 1)
382  CFLAGS += -DHAVE_PTHREAD_BARRIER
383endif
384
385ifndef NO_BIONIC
386  $(call feature_check,bionic)
387  ifeq ($(feature-bionic), 1)
388    BIONIC := 1
389    CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE
390    CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE
391    EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
392    EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
393  endif
394endif
395
396ifeq ($(feature-eventfd), 1)
397  CFLAGS += -DHAVE_EVENTFD_SUPPORT
398endif
399
400ifeq ($(feature-get_current_dir_name), 1)
401  CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME
402endif
403
404ifeq ($(feature-gettid), 1)
405  CFLAGS += -DHAVE_GETTID
406endif
407
408ifeq ($(feature-file-handle), 1)
409  CFLAGS += -DHAVE_FILE_HANDLE
410endif
411
412ifdef NO_LIBELF
413  NO_DWARF := 1
414  NO_DEMANGLE := 1
415  NO_LIBUNWIND := 1
416  NO_LIBDW_DWARF_UNWIND := 1
417  NO_LIBBPF := 1
418  NO_JVMTI := 1
419else
420  ifeq ($(feature-libelf), 0)
421    ifeq ($(feature-glibc), 1)
422      LIBC_SUPPORT := 1
423    endif
424    ifeq ($(BIONIC),1)
425      LIBC_SUPPORT := 1
426    endif
427    ifeq ($(LIBC_SUPPORT),1)
428      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);
429
430      NO_LIBELF := 1
431      NO_DWARF := 1
432      NO_DEMANGLE := 1
433      NO_LIBUNWIND := 1
434      NO_LIBDW_DWARF_UNWIND := 1
435      NO_LIBBPF := 1
436      NO_JVMTI := 1
437    else
438      ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),)
439        ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0)
440          msg := $(error No libasan found, please install libasan);
441        endif
442      endif
443
444      ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),)
445        ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0)
446          msg := $(error No libubsan found, please install libubsan);
447        endif
448      endif
449
450      ifneq ($(filter s% -static%,$(LDFLAGS),),)
451        msg := $(error No static glibc found, please install glibc-static);
452      else
453        msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
454      endif
455    endif
456  else
457    ifndef NO_LIBDW_DWARF_UNWIND
458      ifneq ($(feature-libdw-dwarf-unwind),1)
459        NO_LIBDW_DWARF_UNWIND := 1
460        msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
461      endif
462    endif
463    ifneq ($(feature-dwarf), 1)
464      ifndef NO_DWARF
465        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);
466        NO_DWARF := 1
467      endif
468    else
469      ifneq ($(feature-dwarf_getlocations), 1)
470        msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
471      else
472        CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT
473      endif # dwarf_getlocations
474    endif # Dwarf support
475  endif # libelf support
476endif # NO_LIBELF
477
478ifeq ($(feature-glibc), 1)
479  CFLAGS += -DHAVE_GLIBC_SUPPORT
480endif
481
482ifeq ($(feature-libaio), 1)
483  ifndef NO_AIO
484    CFLAGS += -DHAVE_AIO_SUPPORT
485  endif
486endif
487
488ifdef NO_DWARF
489  NO_LIBDW_DWARF_UNWIND := 1
490endif
491
492ifeq ($(feature-sched_getcpu), 1)
493  CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
494endif
495
496ifeq ($(feature-setns), 1)
497  CFLAGS += -DHAVE_SETNS_SUPPORT
498  $(call detected,CONFIG_SETNS)
499endif
500
501ifdef CORESIGHT
502  $(call feature_check,libopencsd)
503  ifeq ($(feature-libopencsd), 1)
504    CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
505    ifeq ($(feature-reallocarray), 0)
506      CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
507    endif
508    LDFLAGS += $(LIBOPENCSD_LDFLAGS)
509    EXTLIBS += $(OPENCSDLIBS)
510    $(call detected,CONFIG_LIBOPENCSD)
511    ifdef CSTRACE_RAW
512      CFLAGS += -DCS_DEBUG_RAW
513      ifeq (${CSTRACE_RAW}, packed)
514        CFLAGS += -DCS_RAW_PACKED
515      endif
516    endif
517  else
518    dummy := $(error Error: No libopencsd library found or the version is not up-to-date. Please install recent libopencsd to build with CORESIGHT=1)
519  endif
520endif
521
522ifndef NO_LIBELF
523  CFLAGS += -DHAVE_LIBELF_SUPPORT
524  EXTLIBS += -lelf
525  $(call detected,CONFIG_LIBELF)
526
527  ifeq ($(feature-libelf-getphdrnum), 1)
528    CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
529  endif
530
531  ifeq ($(feature-libelf-gelf_getnote), 1)
532    CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
533  else
534    msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
535  endif
536
537  ifeq ($(feature-libelf-getshdrstrndx), 1)
538    CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
539  endif
540
541  ifndef NO_LIBDEBUGINFOD
542    $(call feature_check,libdebuginfod)
543    ifeq ($(feature-libdebuginfod), 1)
544      CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT
545      EXTLIBS += -ldebuginfod
546    endif
547  endif
548
549  ifndef NO_DWARF
550    ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
551      msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
552      NO_DWARF := 1
553    else
554      CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
555      LDFLAGS += $(LIBDW_LDFLAGS)
556      EXTLIBS += ${DWARFLIBS}
557      $(call detected,CONFIG_DWARF)
558    endif # PERF_HAVE_DWARF_REGS
559  endif # NO_DWARF
560
561  ifndef NO_LIBBPF
562    ifeq ($(feature-bpf), 1)
563      CFLAGS += -DHAVE_LIBBPF_SUPPORT
564      $(call detected,CONFIG_LIBBPF)
565
566      # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status
567      $(call feature_check,libbpf)
568      ifdef LIBBPF_DYNAMIC
569        ifeq ($(feature-libbpf), 1)
570          EXTLIBS += -lbpf
571          $(call detected,CONFIG_LIBBPF_DYNAMIC)
572
573          $(call feature_check,libbpf-btf__load_from_kernel_by_id)
574          ifeq ($(feature-libbpf-btf__load_from_kernel_by_id), 1)
575            CFLAGS += -DHAVE_LIBBPF_BTF__LOAD_FROM_KERNEL_BY_ID
576          endif
577          $(call feature_check,libbpf-bpf_prog_load)
578          ifeq ($(feature-libbpf-bpf_prog_load), 1)
579            CFLAGS += -DHAVE_LIBBPF_BPF_PROG_LOAD
580          endif
581          $(call feature_check,libbpf-bpf_object__next_program)
582          ifeq ($(feature-libbpf-bpf_object__next_program), 1)
583            CFLAGS += -DHAVE_LIBBPF_BPF_OBJECT__NEXT_PROGRAM
584          endif
585          $(call feature_check,libbpf-bpf_object__next_map)
586          ifeq ($(feature-libbpf-bpf_object__next_map), 1)
587            CFLAGS += -DHAVE_LIBBPF_BPF_OBJECT__NEXT_MAP
588          endif
589          $(call feature_check,libbpf-bpf_program__set_insns)
590          ifeq ($(feature-libbpf-bpf_program__set_insns), 1)
591            CFLAGS += -DHAVE_LIBBPF_BPF_PROGRAM__SET_INSNS
592          endif
593          $(call feature_check,libbpf-btf__raw_data)
594          ifeq ($(feature-libbpf-btf__raw_data), 1)
595            CFLAGS += -DHAVE_LIBBPF_BTF__RAW_DATA
596          endif
597          $(call feature_check,libbpf-bpf_map_create)
598          ifeq ($(feature-libbpf-bpf_map_create), 1)
599            CFLAGS += -DHAVE_LIBBPF_BPF_MAP_CREATE
600          endif
601        else
602          dummy := $(error Error: No libbpf devel library found, please install libbpf-devel);
603        endif
604      else
605	CFLAGS += -DHAVE_LIBBPF_BTF__LOAD_FROM_KERNEL_BY_ID
606        CFLAGS += -DHAVE_LIBBPF_BPF_PROG_LOAD
607        CFLAGS += -DHAVE_LIBBPF_BPF_OBJECT__NEXT_PROGRAM
608        CFLAGS += -DHAVE_LIBBPF_BPF_OBJECT__NEXT_MAP
609        CFLAGS += -DHAVE_LIBBPF_BPF_PROGRAM__SET_INSNS
610        CFLAGS += -DHAVE_LIBBPF_BTF__RAW_DATA
611        CFLAGS += -DHAVE_LIBBPF_BPF_MAP_CREATE
612      endif
613    endif
614
615    ifndef NO_DWARF
616      ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
617        CFLAGS += -DHAVE_BPF_PROLOGUE
618        $(call detected,CONFIG_BPF_PROLOGUE)
619      else
620        msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset());
621      endif
622    else
623      msg := $(warning DWARF support is off, BPF prologue is disabled);
624    endif
625
626  endif # NO_LIBBPF
627endif # NO_LIBELF
628
629ifndef NO_SDT
630  ifneq ($(feature-sdt), 1)
631    msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
632    NO_SDT := 1;
633  else
634    CFLAGS += -DHAVE_SDT_EVENT
635    $(call detected,CONFIG_SDT_EVENT)
636  endif
637endif
638
639ifdef PERF_HAVE_JITDUMP
640  ifndef NO_LIBELF
641    $(call detected,CONFIG_JITDUMP)
642    CFLAGS += -DHAVE_JITDUMP
643  endif
644endif
645
646ifeq ($(SRCARCH),powerpc)
647  ifndef NO_DWARF
648    CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
649  endif
650endif
651
652ifndef NO_LIBUNWIND
653  have_libunwind :=
654
655  $(call feature_check,libunwind-x86)
656  ifeq ($(feature-libunwind-x86), 1)
657    $(call detected,CONFIG_LIBUNWIND_X86)
658    CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
659    LDFLAGS += -lunwind-x86
660    EXTLIBS_LIBUNWIND += -lunwind-x86
661    have_libunwind = 1
662  endif
663
664  $(call feature_check,libunwind-aarch64)
665  ifeq ($(feature-libunwind-aarch64), 1)
666    $(call detected,CONFIG_LIBUNWIND_AARCH64)
667    CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
668    LDFLAGS += -lunwind-aarch64
669    EXTLIBS_LIBUNWIND += -lunwind-aarch64
670    have_libunwind = 1
671    $(call feature_check,libunwind-debug-frame-aarch64)
672    ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
673      msg := $(warning No debug_frame support found in libunwind-aarch64);
674      CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
675    endif
676  endif
677
678  ifneq ($(feature-libunwind), 1)
679    msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
680    NO_LOCAL_LIBUNWIND := 1
681  else
682    have_libunwind := 1
683    $(call detected,CONFIG_LOCAL_LIBUNWIND)
684  endif
685
686  ifneq ($(have_libunwind), 1)
687    NO_LIBUNWIND := 1
688  endif
689else
690  NO_LOCAL_LIBUNWIND := 1
691endif
692
693ifndef NO_LIBBPF
694  ifneq ($(feature-bpf), 1)
695    msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
696    NO_LIBBPF := 1
697  endif
698endif
699
700ifdef BUILD_BPF_SKEL
701  $(call feature_check,clang-bpf-co-re)
702  ifeq ($(feature-clang-bpf-co-re), 0)
703    dummy := $(error Error: clang too old/not installed. Please install recent clang to build with BUILD_BPF_SKEL)
704  endif
705  ifeq ($(filter -DHAVE_LIBBPF_SUPPORT, $(CFLAGS)),)
706    dummy := $(error Error: BPF skeleton support requires libbpf)
707  endif
708  $(call detected,CONFIG_PERF_BPF_SKEL)
709  CFLAGS += -DHAVE_BPF_SKEL
710endif
711
712dwarf-post-unwind := 1
713dwarf-post-unwind-text := BUG
714
715# setup DWARF post unwinder
716ifdef NO_LIBUNWIND
717  ifdef NO_LIBDW_DWARF_UNWIND
718    msg := $(warning Disabling post unwind, no support found.);
719    dwarf-post-unwind := 0
720  else
721    dwarf-post-unwind-text := libdw
722    $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
723  endif
724else
725  dwarf-post-unwind-text := libunwind
726  $(call detected,CONFIG_LIBUNWIND)
727  # Enable libunwind support by default.
728  ifndef NO_LIBDW_DWARF_UNWIND
729    NO_LIBDW_DWARF_UNWIND := 1
730  endif
731endif
732
733ifeq ($(dwarf-post-unwind),1)
734  CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
735  $(call detected,CONFIG_DWARF_UNWIND)
736else
737  NO_DWARF_UNWIND := 1
738endif
739
740ifndef NO_LOCAL_LIBUNWIND
741  ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
742    $(call feature_check,libunwind-debug-frame)
743    ifneq ($(feature-libunwind-debug-frame), 1)
744      msg := $(warning No debug_frame support found in libunwind);
745      CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
746    endif
747  else
748    # non-ARM has no dwarf_find_debug_frame() function:
749    CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
750  endif
751  EXTLIBS += $(LIBUNWIND_LIBS)
752  LDFLAGS += $(LIBUNWIND_LIBS)
753endif
754ifeq ($(findstring -static,${LDFLAGS}),-static)
755  # gcc -static links libgcc_eh which contans piece of libunwind
756  LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
757endif
758
759ifndef NO_LIBUNWIND
760  CFLAGS  += -DHAVE_LIBUNWIND_SUPPORT
761  CFLAGS  += $(LIBUNWIND_CFLAGS)
762  LDFLAGS += $(LIBUNWIND_LDFLAGS)
763  EXTLIBS += $(EXTLIBS_LIBUNWIND)
764endif
765
766ifeq ($(NO_SYSCALL_TABLE),0)
767  $(call detected,CONFIG_TRACE)
768else
769  ifndef NO_LIBAUDIT
770    $(call feature_check,libaudit)
771    ifneq ($(feature-libaudit), 1)
772      msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
773      NO_LIBAUDIT := 1
774    else
775      CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
776      EXTLIBS += -laudit
777      $(call detected,CONFIG_TRACE)
778    endif
779  endif
780endif
781
782ifndef NO_LIBCRYPTO
783  ifneq ($(feature-libcrypto), 1)
784    msg := $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev);
785    NO_LIBCRYPTO := 1
786  else
787    CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
788    EXTLIBS += -lcrypto
789    $(call detected,CONFIG_CRYPTO)
790  endif
791endif
792
793ifdef NO_NEWT
794  NO_SLANG=1
795endif
796
797ifndef NO_SLANG
798  ifneq ($(feature-libslang), 1)
799    ifneq ($(feature-libslang-include-subdir), 1)
800      msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
801      NO_SLANG := 1
802    else
803      CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR
804    endif
805  endif
806  ifndef NO_SLANG
807    # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
808    CFLAGS += -DHAVE_SLANG_SUPPORT
809    EXTLIBS += -lslang
810    $(call detected,CONFIG_SLANG)
811  endif
812endif
813
814ifdef GTK2
815  FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
816  $(call feature_check,gtk2)
817  ifneq ($(feature-gtk2), 1)
818    msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
819    NO_GTK2 := 1
820  else
821    $(call feature_check,gtk2-infobar)
822    ifeq ($(feature-gtk2-infobar), 1)
823      GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
824    endif
825    CFLAGS += -DHAVE_GTK2_SUPPORT
826    GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
827    GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
828    EXTLIBS += -ldl
829  endif
830endif
831
832ifdef NO_LIBPERL
833  CFLAGS += -DNO_LIBPERL
834else
835  PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
836  PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
837  PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
838  PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
839  PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
840  PERL_EMBED_CCOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(PERL_EMBED_CCOPTS))
841  PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
842  FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
843
844  ifneq ($(feature-libperl), 1)
845    CFLAGS += -DNO_LIBPERL
846    NO_LIBPERL := 1
847    msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
848  else
849    LDFLAGS += $(PERL_EMBED_LDFLAGS)
850    EXTLIBS += $(PERL_EMBED_LIBADD)
851    CFLAGS += -DHAVE_LIBPERL_SUPPORT
852    ifeq ($(CC_NO_CLANG), 0)
853      CFLAGS += -Wno-compound-token-split-by-macro
854    endif
855    $(call detected,CONFIG_LIBPERL)
856  endif
857endif
858
859ifeq ($(feature-timerfd), 1)
860  CFLAGS += -DHAVE_TIMERFD_SUPPORT
861else
862  msg := $(warning No timerfd support. Disables 'perf kvm stat live');
863endif
864
865disable-python = $(eval $(disable-python_code))
866define disable-python_code
867  CFLAGS += -DNO_LIBPYTHON
868  $(warning $1)
869  NO_LIBPYTHON := 1
870endef
871
872ifdef NO_LIBPYTHON
873  $(call disable-python,Python support disabled by user)
874else
875
876  ifndef PYTHON
877    $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
878  else
879    PYTHON_WORD := $(call shell-wordify,$(PYTHON))
880
881    ifndef PYTHON_CONFIG
882      $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
883    else
884
885      ifneq ($(feature-libpython), 1)
886        $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
887      else
888         LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
889         EXTLIBS += $(PYTHON_EMBED_LIBADD)
890         LANG_BINDINGS += $(obj-perf)python/perf.so
891         CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
892         $(call detected,CONFIG_LIBPYTHON)
893      endif
894    endif
895  endif
896endif
897
898ifneq ($(NO_JEVENTS),1)
899  ifeq ($(wildcard pmu-events/arch/$(SRCARCH)/mapfile.csv),)
900    NO_JEVENTS := 1
901  endif
902endif
903ifneq ($(NO_JEVENTS),1)
904  NO_JEVENTS := 0
905  ifndef PYTHON
906    $(warning No python interpreter disabling jevent generation)
907    NO_JEVENTS := 1
908  else
909    # jevents.py uses f-strings present in Python 3.6 released in Dec. 2016.
910    JEVENTS_PYTHON_GOOD := $(shell $(PYTHON) -c 'import sys;print("1" if(sys.version_info.major >= 3 and sys.version_info.minor >= 6) else "0")' 2> /dev/null)
911    ifneq ($(JEVENTS_PYTHON_GOOD), 1)
912      $(warning Python interpreter too old (older than 3.6) disabling jevent generation)
913      NO_JEVENTS := 1
914    endif
915  endif
916endif
917
918ifndef NO_LIBBFD
919  ifeq ($(feature-libbfd), 1)
920    EXTLIBS += -lbfd -lopcodes
921  else
922    # we are on a system that requires -liberty and (maybe) -lz
923    # to link against -lbfd; test each case individually here
924
925    # call all detections now so we get correct
926    # status in VF output
927    $(call feature_check,libbfd-liberty)
928    $(call feature_check,libbfd-liberty-z)
929
930    ifeq ($(feature-libbfd-liberty), 1)
931      EXTLIBS += -lbfd -lopcodes -liberty
932    else
933      ifeq ($(feature-libbfd-liberty-z), 1)
934        EXTLIBS += -lbfd -lopcodes -liberty -lz
935      endif
936    endif
937    $(call feature_check,disassembler-four-args)
938    $(call feature_check,disassembler-init-styled)
939  endif
940
941  ifeq ($(feature-libbfd-buildid), 1)
942    CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT
943  else
944    msg := $(warning Old version of libbfd/binutils things like PE executable profiling will not be available);
945  endif
946endif
947
948ifdef NO_DEMANGLE
949  CFLAGS += -DNO_DEMANGLE
950else
951  ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
952    EXTLIBS += -liberty
953  else
954    ifeq ($(filter -liberty,$(EXTLIBS)),)
955      $(call feature_check,cplus-demangle)
956
957      # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
958      # or any of 'bfd iberty z' trinity
959      ifeq ($(feature-cplus-demangle), 1)
960        EXTLIBS += -liberty
961      else
962        msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
963        CFLAGS += -DNO_DEMANGLE
964      endif
965    endif
966  endif
967
968  ifneq ($(filter -liberty,$(EXTLIBS)),)
969    CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
970  endif
971endif
972
973ifneq ($(filter -lbfd,$(EXTLIBS)),)
974  CFLAGS += -DHAVE_LIBBFD_SUPPORT
975endif
976
977ifndef NO_ZLIB
978  ifeq ($(feature-zlib), 1)
979    CFLAGS += -DHAVE_ZLIB_SUPPORT
980    EXTLIBS += -lz
981    $(call detected,CONFIG_ZLIB)
982  else
983    NO_ZLIB := 1
984  endif
985endif
986
987ifndef NO_LZMA
988  ifeq ($(feature-lzma), 1)
989    CFLAGS += -DHAVE_LZMA_SUPPORT
990    EXTLIBS += -llzma
991    $(call detected,CONFIG_LZMA)
992  else
993    msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
994    NO_LZMA := 1
995  endif
996endif
997
998ifndef NO_LIBZSTD
999  ifeq ($(feature-libzstd), 1)
1000    CFLAGS += -DHAVE_ZSTD_SUPPORT
1001    CFLAGS += $(LIBZSTD_CFLAGS)
1002    LDFLAGS += $(LIBZSTD_LDFLAGS)
1003    EXTLIBS += -lzstd
1004    $(call detected,CONFIG_ZSTD)
1005  else
1006    msg := $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR);
1007    NO_LIBZSTD := 1
1008  endif
1009endif
1010
1011ifndef NO_LIBCAP
1012  ifeq ($(feature-libcap), 1)
1013    CFLAGS += -DHAVE_LIBCAP_SUPPORT
1014    EXTLIBS += -lcap
1015    $(call detected,CONFIG_LIBCAP)
1016  else
1017    msg := $(warning No libcap found, disables capability support, please install libcap-devel/libcap-dev);
1018    NO_LIBCAP := 1
1019  endif
1020endif
1021
1022ifndef NO_BACKTRACE
1023  ifeq ($(feature-backtrace), 1)
1024    CFLAGS += -DHAVE_BACKTRACE_SUPPORT
1025  endif
1026endif
1027
1028ifndef NO_LIBNUMA
1029  ifeq ($(feature-libnuma), 0)
1030    msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
1031    NO_LIBNUMA := 1
1032  else
1033    ifeq ($(feature-numa_num_possible_cpus), 0)
1034      msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
1035      NO_LIBNUMA := 1
1036    else
1037      CFLAGS += -DHAVE_LIBNUMA_SUPPORT
1038      EXTLIBS += -lnuma
1039      $(call detected,CONFIG_NUMA)
1040    endif
1041  endif
1042endif
1043
1044ifdef HAVE_KVM_STAT_SUPPORT
1045    CFLAGS += -DHAVE_KVM_STAT_SUPPORT
1046endif
1047
1048ifeq ($(feature-disassembler-four-args), 1)
1049    CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
1050endif
1051
1052ifeq ($(feature-disassembler-init-styled), 1)
1053    CFLAGS += -DDISASM_INIT_STYLED
1054endif
1055
1056ifeq (${IS_64_BIT}, 1)
1057  ifndef NO_PERF_READ_VDSO32
1058    $(call feature_check,compile-32)
1059    ifeq ($(feature-compile-32), 1)
1060      CFLAGS += -DHAVE_PERF_READ_VDSO32
1061    else
1062      NO_PERF_READ_VDSO32 := 1
1063    endif
1064  endif
1065  ifneq ($(SRCARCH), x86)
1066    NO_PERF_READ_VDSOX32 := 1
1067  endif
1068  ifndef NO_PERF_READ_VDSOX32
1069    $(call feature_check,compile-x32)
1070    ifeq ($(feature-compile-x32), 1)
1071      CFLAGS += -DHAVE_PERF_READ_VDSOX32
1072    else
1073      NO_PERF_READ_VDSOX32 := 1
1074    endif
1075  endif
1076else
1077  NO_PERF_READ_VDSO32 := 1
1078  NO_PERF_READ_VDSOX32 := 1
1079endif
1080
1081ifndef NO_LIBBABELTRACE
1082  $(call feature_check,libbabeltrace)
1083  ifeq ($(feature-libbabeltrace), 1)
1084    CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
1085    LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
1086    EXTLIBS += -lbabeltrace-ctf
1087    $(call detected,CONFIG_LIBBABELTRACE)
1088  else
1089    msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
1090  endif
1091endif
1092
1093ifndef NO_AUXTRACE
1094  ifeq ($(SRCARCH),x86)
1095    ifeq ($(feature-get_cpuid), 0)
1096      msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
1097      NO_AUXTRACE := 1
1098    endif
1099  endif
1100  ifndef NO_AUXTRACE
1101    $(call detected,CONFIG_AUXTRACE)
1102    CFLAGS += -DHAVE_AUXTRACE_SUPPORT
1103    ifeq ($(feature-reallocarray), 0)
1104      CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
1105    endif
1106  endif
1107endif
1108
1109ifndef NO_JVMTI
1110  ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
1111    JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
1112  else
1113    ifneq (,$(wildcard /usr/sbin/alternatives))
1114      JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g')
1115    endif
1116  endif
1117  ifndef JDIR
1118    $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
1119    NO_JVMTI := 1
1120  endif
1121endif
1122
1123ifndef NO_JVMTI
1124  FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
1125  $(call feature_check,jvmti)
1126  ifeq ($(feature-jvmti), 1)
1127    $(call detected_var,JDIR)
1128    ifndef NO_JVMTI_CMLR
1129      FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti)
1130      $(call feature_check,jvmti-cmlr)
1131      ifeq ($(feature-jvmti-cmlr), 1)
1132        CFLAGS += -DHAVE_JVMTI_CMLR
1133      endif
1134    endif # NO_JVMTI_CMLR
1135  else
1136    $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel)
1137    NO_JVMTI := 1
1138  endif
1139endif
1140
1141USE_CXX = 0
1142USE_CLANGLLVM = 0
1143ifdef LIBCLANGLLVM
1144  $(call feature_check,cxx)
1145  ifneq ($(feature-cxx), 1)
1146    msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
1147  else
1148    $(call feature_check,llvm)
1149    $(call feature_check,llvm-version)
1150    ifneq ($(feature-llvm), 1)
1151      msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
1152    else
1153      $(call feature_check,clang)
1154      ifneq ($(feature-clang), 1)
1155        msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
1156      else
1157        CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
1158        CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
1159        $(call detected,CONFIG_CXX)
1160        $(call detected,CONFIG_CLANGLLVM)
1161	USE_CXX = 1
1162	USE_LLVM = 1
1163	USE_CLANG = 1
1164        ifneq ($(feature-llvm-version),1)
1165          msg := $(warning This version of LLVM is not tested. May cause build errors)
1166        endif
1167      endif
1168    endif
1169  endif
1170endif
1171
1172ifdef LIBPFM4
1173  $(call feature_check,libpfm4)
1174  ifeq ($(feature-libpfm4), 1)
1175    CFLAGS += -DHAVE_LIBPFM
1176    EXTLIBS += -lpfm
1177    ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1
1178    $(call detected,CONFIG_LIBPFM4)
1179  else
1180    msg := $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev);
1181    NO_LIBPFM4 := 1
1182  endif
1183endif
1184
1185ifdef LIBTRACEEVENT_DYNAMIC
1186  $(call feature_check,libtraceevent)
1187  ifeq ($(feature-libtraceevent), 1)
1188    EXTLIBS += -ltraceevent
1189    LIBTRACEEVENT_VERSION := $(shell $(PKG_CONFIG) --modversion libtraceevent)
1190    LIBTRACEEVENT_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEEVENT_VERSION)))
1191    LIBTRACEEVENT_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEEVENT_VERSION)))
1192    LIBTRACEEVENT_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEEVENT_VERSION)))
1193    LIBTRACEEVENT_VERSION_CPP := $(shell expr $(LIBTRACEEVENT_VERSION_1) \* 255 \* 255 + $(LIBTRACEEVENT_VERSION_2) \* 255 + $(LIBTRACEEVENT_VERSION_3))
1194    CFLAGS += -DLIBTRACEEVENT_VERSION=$(LIBTRACEEVENT_VERSION_CPP)
1195  else
1196    dummy := $(error Error: No libtraceevent devel library found, please install libtraceevent-devel);
1197  endif
1198endif
1199
1200ifdef LIBTRACEFS_DYNAMIC
1201  $(call feature_check,libtracefs)
1202  ifeq ($(feature-libtracefs), 1)
1203    EXTLIBS += -ltracefs
1204    LIBTRACEFS_VERSION := $(shell $(PKG_CONFIG) --modversion libtracefs)
1205    LIBTRACEFS_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEFS_VERSION)))
1206    LIBTRACEFS_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEFS_VERSION)))
1207    LIBTRACEFS_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEFS_VERSION)))
1208    LIBTRACEFS_VERSION_CPP := $(shell expr $(LIBTRACEFS_VERSION_1) \* 255 \* 255 + $(LIBTRACEFS_VERSION_2) \* 255 + $(LIBTRACEFS_VERSION_3))
1209    CFLAGS += -DLIBTRACEFS_VERSION=$(LIBTRACEFS_VERSION_CPP)
1210  else
1211    dummy := $(error Error: No libtracefs devel library found, please install libtracefs-dev);
1212  endif
1213endif
1214
1215# Among the variables below, these:
1216#   perfexecdir
1217#   libbpf_include_dir
1218#   perf_examples_dir
1219#   template_dir
1220#   mandir
1221#   infodir
1222#   htmldir
1223#   ETC_PERFCONFIG (but not sysconfdir)
1224# can be specified as a relative path some/where/else;
1225# this is interpreted as relative to $(prefix) and "perf" at
1226# runtime figures out where they are based on the path to the executable.
1227# This can help installing the suite in a relocatable way.
1228
1229# Make the path relative to DESTDIR, not to prefix
1230ifndef DESTDIR
1231prefix ?= $(HOME)
1232endif
1233bindir_relative = bin
1234bindir = $(abspath $(prefix)/$(bindir_relative))
1235includedir_relative = include
1236includedir = $(abspath $(prefix)/$(includedir_relative))
1237mandir = share/man
1238infodir = share/info
1239perfexecdir = libexec/perf-core
1240# FIXME: system's libbpf header directory, where we expect to find bpf/bpf_helpers.h, for instance
1241libbpf_include_dir = /usr/include
1242perf_examples_dir = lib/perf/examples
1243sharedir = $(prefix)/share
1244template_dir = share/perf-core/templates
1245STRACE_GROUPS_DIR = share/perf-core/strace/groups
1246htmldir = share/doc/perf-doc
1247tipdir = share/doc/perf-tip
1248srcdir = $(srctree)/tools/perf
1249ifeq ($(prefix),/usr)
1250sysconfdir = /etc
1251ETC_PERFCONFIG = $(sysconfdir)/perfconfig
1252else
1253sysconfdir = $(prefix)/etc
1254ETC_PERFCONFIG = etc/perfconfig
1255endif
1256ifndef lib
1257ifeq ($(SRCARCH)$(IS_64_BIT), x861)
1258lib = lib64
1259else
1260lib = lib
1261endif
1262endif # lib
1263libdir = $(prefix)/$(lib)
1264
1265# Shell quote (do not use $(call) to accommodate ancient setups);
1266ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
1267STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
1268DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
1269bindir_SQ = $(subst ','\'',$(bindir))
1270includedir_SQ = $(subst ','\'',$(includedir))
1271mandir_SQ = $(subst ','\'',$(mandir))
1272infodir_SQ = $(subst ','\'',$(infodir))
1273perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
1274libbpf_include_dir_SQ = $(subst ','\'',$(libbpf_include_dir))
1275perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir))
1276template_dir_SQ = $(subst ','\'',$(template_dir))
1277htmldir_SQ = $(subst ','\'',$(htmldir))
1278tipdir_SQ = $(subst ','\'',$(tipdir))
1279prefix_SQ = $(subst ','\'',$(prefix))
1280sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
1281libdir_SQ = $(subst ','\'',$(libdir))
1282srcdir_SQ = $(subst ','\'',$(srcdir))
1283
1284ifneq ($(filter /%,$(firstword $(perfexecdir))),)
1285perfexec_instdir = $(perfexecdir)
1286perf_include_instdir = $(libbpf_include_dir)
1287perf_examples_instdir = $(perf_examples_dir)
1288STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
1289tip_instdir = $(tipdir)
1290else
1291perfexec_instdir = $(prefix)/$(perfexecdir)
1292perf_include_instdir = $(prefix)/$(libbpf_include_dir)
1293perf_examples_instdir = $(prefix)/$(perf_examples_dir)
1294STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
1295tip_instdir = $(prefix)/$(tipdir)
1296endif
1297perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
1298perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir))
1299perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir))
1300STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
1301tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
1302
1303export perfexec_instdir_SQ
1304
1305# If we install to $(HOME) we keep the traceevent default:
1306# $(HOME)/.traceevent/plugins
1307# Otherwise we install plugins into the global $(libdir).
1308ifdef DESTDIR
1309plugindir=$(libdir)/traceevent/plugins
1310plugindir_SQ= $(subst ','\'',$(plugindir))
1311endif
1312
1313print_var = $(eval $(print_var_code)) $(info $(MSG))
1314define print_var_code
1315    MSG = $(shell printf '...%40s: %s' $(1) $($(1)))
1316endef
1317
1318ifeq ($(feature_display),1)
1319  $(call feature_display_entries)
1320endif
1321
1322ifeq ($(VF),1)
1323  # Display EXTRA features which are detected manualy
1324  # from here with feature_check call and thus cannot
1325  # be partof global state output.
1326  $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),) $(info $(MSG)))
1327  $(call print_var,prefix)
1328  $(call print_var,bindir)
1329  $(call print_var,libdir)
1330  $(call print_var,sysconfdir)
1331  $(call print_var,LIBUNWIND_DIR)
1332  $(call print_var,LIBDW_DIR)
1333  $(call print_var,JDIR)
1334
1335  ifeq ($(dwarf-post-unwind),1)
1336    $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text)) $(info $(MSG))
1337  endif
1338endif
1339
1340$(info )
1341
1342$(call detected_var,bindir_SQ)
1343$(call detected_var,PYTHON_WORD)
1344ifneq ($(OUTPUT),)
1345$(call detected_var,OUTPUT)
1346endif
1347$(call detected_var,htmldir_SQ)
1348$(call detected_var,infodir_SQ)
1349$(call detected_var,mandir_SQ)
1350$(call detected_var,ETC_PERFCONFIG_SQ)
1351$(call detected_var,STRACE_GROUPS_DIR_SQ)
1352$(call detected_var,prefix_SQ)
1353$(call detected_var,perfexecdir_SQ)
1354$(call detected_var,libbpf_include_dir_SQ)
1355$(call detected_var,perf_examples_dir_SQ)
1356$(call detected_var,tipdir_SQ)
1357$(call detected_var,srcdir_SQ)
1358$(call detected_var,LIBDIR)
1359$(call detected_var,GTK_CFLAGS)
1360$(call detected_var,PERL_EMBED_CCOPTS)
1361$(call detected_var,PYTHON_EMBED_CCOPTS)
1362ifneq ($(BISON_FILE_PREFIX_MAP),)
1363$(call detected_var,BISON_FILE_PREFIX_MAP)
1364endif
1365
1366# re-generate FEATURE-DUMP as we may have called feature_check, found out
1367# extra libraries to add to LDFLAGS of some other test and then redo those
1368# tests.
1369$(shell rm -f $(FEATURE_DUMP_FILENAME))
1370$(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME)))
1371