xref: /openbmc/linux/tools/perf/Makefile.config (revision 2f0754f2) 
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
22include $(srctree)/tools/scripts/Makefile.arch
23
24$(call detected_var,SRCARCH)
25
26NO_PERF_REGS := 1
27
28ifneq ($(NO_SYSCALL_TABLE),1)
29  NO_SYSCALL_TABLE := 1
30
31  ifeq ($(SRCARCH),x86)
32    ifeq (${IS_64_BIT}, 1)
33      NO_SYSCALL_TABLE := 0
34    endif
35  else
36    ifeq ($(SRCARCH),$(filter $(SRCARCH),powerpc arm64 s390 mips))
37      NO_SYSCALL_TABLE := 0
38    endif
39  endif
40
41  ifneq ($(NO_SYSCALL_TABLE),1)
42    CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT
43  endif
44endif
45
46# Additional ARCH settings for ppc
47ifeq ($(SRCARCH),powerpc)
48  NO_PERF_REGS := 0
49  CFLAGS += -I$(OUTPUT)arch/powerpc/include/generated
50  LIBUNWIND_LIBS := -lunwind -lunwind-ppc64
51endif
52
53# Additional ARCH settings for x86
54ifeq ($(SRCARCH),x86)
55  $(call detected,CONFIG_X86)
56  ifeq (${IS_64_BIT}, 1)
57    CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT -I$(OUTPUT)arch/x86/include/generated
58    ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
59    LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind -llzma
60    $(call detected,CONFIG_X86_64)
61  else
62    LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind
63  endif
64  NO_PERF_REGS := 0
65endif
66
67ifeq ($(SRCARCH),arm)
68  NO_PERF_REGS := 0
69  LIBUNWIND_LIBS = -lunwind -lunwind-arm
70endif
71
72ifeq ($(SRCARCH),arm64)
73  NO_PERF_REGS := 0
74  CFLAGS += -I$(OUTPUT)arch/arm64/include/generated
75  LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
76endif
77
78ifeq ($(SRCARCH),riscv)
79  NO_PERF_REGS := 0
80endif
81
82ifeq ($(SRCARCH),csky)
83  NO_PERF_REGS := 0
84endif
85
86ifeq ($(ARCH),s390)
87  NO_PERF_REGS := 0
88  CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated
89endif
90
91ifeq ($(ARCH),mips)
92  NO_PERF_REGS := 0
93  CFLAGS += -I$(OUTPUT)arch/mips/include/generated
94  LIBUNWIND_LIBS = -lunwind -lunwind-mips
95endif
96
97ifeq ($(NO_PERF_REGS),0)
98  $(call detected,CONFIG_PERF_REGS)
99endif
100
101# So far there's only x86 and arm libdw unwind support merged in perf.
102# Disable it on all other architectures in case libdw unwind
103# support is detected in system. Add supported architectures
104# to the check.
105ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390 csky riscv))
106  NO_LIBDW_DWARF_UNWIND := 1
107endif
108
109ifeq ($(LIBUNWIND_LIBS),)
110  NO_LIBUNWIND := 1
111endif
112#
113# For linking with debug library, run like:
114#
115#   make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
116#
117
118libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
119define libunwind_arch_set_flags_code
120  FEATURE_CHECK_CFLAGS-libunwind-$(1)  = -I$(LIBUNWIND_DIR)/include
121  FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
122endef
123
124ifdef LIBUNWIND_DIR
125  LIBUNWIND_CFLAGS  = -I$(LIBUNWIND_DIR)/include
126  LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
127  LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64
128  $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
129endif
130
131# Set per-feature check compilation flags
132FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
133FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
134FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
135FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
136
137FEATURE_CHECK_LDFLAGS-libunwind-arm += -lunwind -lunwind-arm
138FEATURE_CHECK_LDFLAGS-libunwind-aarch64 += -lunwind -lunwind-aarch64
139FEATURE_CHECK_LDFLAGS-libunwind-x86 += -lunwind -llzma -lunwind-x86
140FEATURE_CHECK_LDFLAGS-libunwind-x86_64 += -lunwind -llzma -lunwind-x86_64
141
142FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto
143
144ifdef CSINCLUDES
145  LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)
146endif
147OPENCSDLIBS := -lopencsd_c_api
148ifeq ($(findstring -static,${LDFLAGS}),-static)
149  OPENCSDLIBS += -lopencsd -lstdc++
150endif
151ifdef CSLIBS
152  LIBOPENCSD_LDFLAGS := -L$(CSLIBS)
153endif
154FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS)
155FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS)
156
157ifeq ($(NO_PERF_REGS),0)
158  CFLAGS += -DHAVE_PERF_REGS_SUPPORT
159endif
160
161# for linking with debug library, run like:
162# make DEBUG=1 LIBDW_DIR=/opt/libdw/
163ifdef LIBDW_DIR
164  LIBDW_CFLAGS  := -I$(LIBDW_DIR)/include
165  LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
166endif
167DWARFLIBS := -ldw
168ifeq ($(findstring -static,${LDFLAGS}),-static)
169  DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2
170endif
171FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
172FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS)
173
174# for linking with debug library, run like:
175# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
176ifdef LIBBABELTRACE_DIR
177  LIBBABELTRACE_CFLAGS  := -I$(LIBBABELTRACE_DIR)/include
178  LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
179endif
180FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
181FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
182
183ifdef LIBZSTD_DIR
184  LIBZSTD_CFLAGS  := -I$(LIBZSTD_DIR)/lib
185  LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib
186endif
187FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS)
188FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS)
189
190FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi
191# include ARCH specific config
192-include $(src-perf)/arch/$(SRCARCH)/Makefile
193
194ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
195  CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
196endif
197
198include $(srctree)/tools/scripts/utilities.mak
199
200ifeq ($(call get-executable,$(FLEX)),)
201  dummy := $(error Error: $(FLEX) is missing on this system, please install it)
202endif
203
204ifeq ($(call get-executable,$(BISON)),)
205  dummy := $(error Error: $(BISON) is missing on this system, please install it)
206endif
207
208ifneq ($(OUTPUT),)
209  ifeq ($(shell expr $(shell $(BISON) --version | grep bison | sed -e 's/.\+ \([0-9]\+\).\([0-9]\+\).\([0-9]\+\)/\1\2\3/g') \>\= 371), 1)
210    BISON_FILE_PREFIX_MAP := --file-prefix-map=$(OUTPUT)=
211  endif
212endif
213
214# Treat warnings as errors unless directed not to
215ifneq ($(WERROR),0)
216  CORE_CFLAGS += -Werror
217  CXXFLAGS += -Werror
218  HOSTCFLAGS += -Werror
219endif
220
221ifndef DEBUG
222  DEBUG := 0
223endif
224
225ifeq ($(DEBUG),0)
226ifeq ($(CC_NO_CLANG), 0)
227  CORE_CFLAGS += -O3
228else
229  CORE_CFLAGS += -O6
230endif
231endif
232
233ifdef PARSER_DEBUG
234  PARSER_DEBUG_BISON := -t
235  PARSER_DEBUG_FLEX  := -d
236  CFLAGS             += -DPARSER_DEBUG
237  $(call detected_var,PARSER_DEBUG_BISON)
238  $(call detected_var,PARSER_DEBUG_FLEX)
239endif
240
241# Try different combinations to accommodate systems that only have
242# python[2][-config] in weird combinations but always preferring
243# python2 and python2-config as per pep-0394. If python2 or python
244# aren't found, then python3 is used.
245PYTHON_AUTO := python
246PYTHON_AUTO := $(if $(call get-executable,python3),python3,$(PYTHON_AUTO))
247PYTHON_AUTO := $(if $(call get-executable,python),python,$(PYTHON_AUTO))
248PYTHON_AUTO := $(if $(call get-executable,python2),python2,$(PYTHON_AUTO))
249override PYTHON := $(call get-executable-or-default,PYTHON,$(PYTHON_AUTO))
250PYTHON_AUTO_CONFIG := \
251  $(if $(call get-executable,$(PYTHON)-config),$(PYTHON)-config,python-config)
252override PYTHON_CONFIG := \
253  $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON_AUTO_CONFIG))
254
255grep-libs  = $(filter -l%,$(1))
256strip-libs  = $(filter-out -l%,$(1))
257
258PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
259
260# Python 3.8 changed the output of `python-config --ldflags` to not include the
261# '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for
262# libpython fails if that flag is not included in LDFLAGS
263ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0)
264  PYTHON_CONFIG_LDFLAGS := --ldflags --embed
265else
266  PYTHON_CONFIG_LDFLAGS := --ldflags
267endif
268
269ifdef PYTHON_CONFIG
270  PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) $(PYTHON_CONFIG_LDFLAGS) 2>/dev/null)
271  PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
272  PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
273  PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null)
274  FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
275endif
276
277FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
278FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
279
280FEATURE_CHECK_LDFLAGS-libaio = -lrt
281
282FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes -ldl
283
284CORE_CFLAGS += -fno-omit-frame-pointer
285CORE_CFLAGS += -ggdb3
286CORE_CFLAGS += -funwind-tables
287CORE_CFLAGS += -Wall
288CORE_CFLAGS += -Wextra
289CORE_CFLAGS += -std=gnu99
290
291CXXFLAGS += -std=gnu++14 -fno-exceptions -fno-rtti
292CXXFLAGS += -Wall
293CXXFLAGS += -fno-omit-frame-pointer
294CXXFLAGS += -ggdb3
295CXXFLAGS += -funwind-tables
296CXXFLAGS += -Wno-strict-aliasing
297
298HOSTCFLAGS += -Wall
299HOSTCFLAGS += -Wextra
300
301# Enforce a non-executable stack, as we may regress (again) in the future by
302# adding assembler files missing the .GNU-stack linker note.
303LDFLAGS += -Wl,-z,noexecstack
304
305EXTLIBS = -lpthread -lrt -lm -ldl
306
307ifneq ($(TCMALLOC),)
308  CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free
309  EXTLIBS += -ltcmalloc
310endif
311
312ifeq ($(FEATURES_DUMP),)
313# We will display at the end of this Makefile.config, using $(call feature_display_entries)
314# As we may retry some feature detection here, see the disassembler-four-args case, for instance
315  FEATURE_DISPLAY_DEFERRED := 1
316include $(srctree)/tools/build/Makefile.feature
317else
318include $(FEATURES_DUMP)
319endif
320
321ifeq ($(feature-stackprotector-all), 1)
322  CORE_CFLAGS += -fstack-protector-all
323endif
324
325ifeq ($(DEBUG),0)
326  ifeq ($(feature-fortify-source), 1)
327    CORE_CFLAGS += -D_FORTIFY_SOURCE=2
328  endif
329endif
330
331INC_FLAGS += -I$(srctree)/tools/lib/perf/include
332INC_FLAGS += -I$(src-perf)/util/include
333INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
334INC_FLAGS += -I$(srctree)/tools/include/
335INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
336INC_FLAGS += -I$(srctree)/tools/include/uapi
337INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
338INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
339
340# $(obj-perf)      for generated common-cmds.h
341# $(obj-perf)/util for generated bison/flex headers
342ifneq ($(OUTPUT),)
343INC_FLAGS += -I$(obj-perf)/util
344INC_FLAGS += -I$(obj-perf)
345endif
346
347INC_FLAGS += -I$(src-perf)/util
348INC_FLAGS += -I$(src-perf)
349INC_FLAGS += -I$(srctree)/tools/lib/
350
351CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
352
353CFLAGS   += $(CORE_CFLAGS) $(INC_FLAGS)
354CXXFLAGS += $(INC_FLAGS)
355
356LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS)
357
358ifeq ($(feature-pthread-attr-setaffinity-np), 1)
359  CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
360endif
361
362ifeq ($(feature-pthread-barrier), 1)
363  CFLAGS += -DHAVE_PTHREAD_BARRIER
364endif
365
366ifndef NO_BIONIC
367  $(call feature_check,bionic)
368  ifeq ($(feature-bionic), 1)
369    BIONIC := 1
370    CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE
371    CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE
372    EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
373    EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
374  endif
375endif
376
377ifeq ($(feature-eventfd), 1)
378  CFLAGS += -DHAVE_EVENTFD_SUPPORT
379endif
380
381ifeq ($(feature-get_current_dir_name), 1)
382  CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME
383endif
384
385ifeq ($(feature-gettid), 1)
386  CFLAGS += -DHAVE_GETTID
387endif
388
389ifeq ($(feature-file-handle), 1)
390  CFLAGS += -DHAVE_FILE_HANDLE
391endif
392
393ifdef NO_LIBELF
394  NO_DWARF := 1
395  NO_DEMANGLE := 1
396  NO_LIBUNWIND := 1
397  NO_LIBDW_DWARF_UNWIND := 1
398  NO_LIBBPF := 1
399  NO_JVMTI := 1
400else
401  ifeq ($(feature-libelf), 0)
402    ifeq ($(feature-glibc), 1)
403      LIBC_SUPPORT := 1
404    endif
405    ifeq ($(BIONIC),1)
406      LIBC_SUPPORT := 1
407    endif
408    ifeq ($(LIBC_SUPPORT),1)
409      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);
410
411      NO_LIBELF := 1
412      NO_DWARF := 1
413      NO_DEMANGLE := 1
414      NO_LIBUNWIND := 1
415      NO_LIBDW_DWARF_UNWIND := 1
416      NO_LIBBPF := 1
417      NO_JVMTI := 1
418    else
419      ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),)
420        ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0)
421          msg := $(error No libasan found, please install libasan);
422        endif
423      endif
424
425      ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),)
426        ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0)
427          msg := $(error No libubsan found, please install libubsan);
428        endif
429      endif
430
431      ifneq ($(filter s% -static%,$(LDFLAGS),),)
432        msg := $(error No static glibc found, please install glibc-static);
433      else
434        msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
435      endif
436    endif
437  else
438    ifndef NO_LIBDW_DWARF_UNWIND
439      ifneq ($(feature-libdw-dwarf-unwind),1)
440        NO_LIBDW_DWARF_UNWIND := 1
441        msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
442      endif
443    endif
444    ifneq ($(feature-dwarf), 1)
445      ifndef NO_DWARF
446        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);
447        NO_DWARF := 1
448      endif
449    else
450      ifneq ($(feature-dwarf_getlocations), 1)
451        msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
452      else
453        CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT
454      endif # dwarf_getlocations
455    endif # Dwarf support
456  endif # libelf support
457endif # NO_LIBELF
458
459ifeq ($(feature-glibc), 1)
460  CFLAGS += -DHAVE_GLIBC_SUPPORT
461endif
462
463ifeq ($(feature-libaio), 1)
464  ifndef NO_AIO
465    CFLAGS += -DHAVE_AIO_SUPPORT
466  endif
467endif
468
469ifdef NO_DWARF
470  NO_LIBDW_DWARF_UNWIND := 1
471endif
472
473ifeq ($(feature-sched_getcpu), 1)
474  CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
475endif
476
477ifeq ($(feature-setns), 1)
478  CFLAGS += -DHAVE_SETNS_SUPPORT
479  $(call detected,CONFIG_SETNS)
480endif
481
482ifdef CORESIGHT
483  $(call feature_check,libopencsd)
484  ifeq ($(feature-libopencsd), 1)
485    CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
486    ifeq ($(feature-reallocarray), 0)
487      CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
488    endif
489    LDFLAGS += $(LIBOPENCSD_LDFLAGS)
490    EXTLIBS += $(OPENCSDLIBS)
491    $(call detected,CONFIG_LIBOPENCSD)
492    ifdef CSTRACE_RAW
493      CFLAGS += -DCS_DEBUG_RAW
494      ifeq (${CSTRACE_RAW}, packed)
495        CFLAGS += -DCS_RAW_PACKED
496      endif
497    endif
498  else
499    dummy := $(error Error: No libopencsd library found or the version is not up-to-date. Please install recent libopencsd to build with CORESIGHT=1)
500  endif
501endif
502
503ifndef NO_LIBELF
504  CFLAGS += -DHAVE_LIBELF_SUPPORT
505  EXTLIBS += -lelf
506  $(call detected,CONFIG_LIBELF)
507
508  ifeq ($(feature-libelf-getphdrnum), 1)
509    CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
510  endif
511
512  ifeq ($(feature-libelf-gelf_getnote), 1)
513    CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
514  else
515    msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
516  endif
517
518  ifeq ($(feature-libelf-getshdrstrndx), 1)
519    CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
520  endif
521
522  ifndef NO_LIBDEBUGINFOD
523    $(call feature_check,libdebuginfod)
524    ifeq ($(feature-libdebuginfod), 1)
525      CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT
526      EXTLIBS += -ldebuginfod
527    endif
528  endif
529
530  ifndef NO_DWARF
531    ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
532      msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
533      NO_DWARF := 1
534    else
535      CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
536      LDFLAGS += $(LIBDW_LDFLAGS)
537      EXTLIBS += ${DWARFLIBS}
538      $(call detected,CONFIG_DWARF)
539    endif # PERF_HAVE_DWARF_REGS
540  endif # NO_DWARF
541
542  ifndef NO_LIBBPF
543    ifeq ($(feature-bpf), 1)
544      CFLAGS += -DHAVE_LIBBPF_SUPPORT
545      $(call detected,CONFIG_LIBBPF)
546
547      # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status
548      $(call feature_check,libbpf)
549      ifdef LIBBPF_DYNAMIC
550        ifeq ($(feature-libbpf), 1)
551          EXTLIBS += -lbpf
552          $(call detected,CONFIG_LIBBPF_DYNAMIC)
553        else
554          dummy := $(error Error: No libbpf devel library found, please install libbpf-devel);
555        endif
556      endif
557    endif
558
559    ifndef NO_DWARF
560      ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
561        CFLAGS += -DHAVE_BPF_PROLOGUE
562        $(call detected,CONFIG_BPF_PROLOGUE)
563      else
564        msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset());
565      endif
566    else
567      msg := $(warning DWARF support is off, BPF prologue is disabled);
568    endif
569
570  endif # NO_LIBBPF
571endif # NO_LIBELF
572
573ifndef NO_SDT
574  ifneq ($(feature-sdt), 1)
575    msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
576    NO_SDT := 1;
577  else
578    CFLAGS += -DHAVE_SDT_EVENT
579    $(call detected,CONFIG_SDT_EVENT)
580  endif
581endif
582
583ifdef PERF_HAVE_JITDUMP
584  ifndef NO_LIBELF
585    $(call detected,CONFIG_JITDUMP)
586    CFLAGS += -DHAVE_JITDUMP
587  endif
588endif
589
590ifeq ($(SRCARCH),powerpc)
591  ifndef NO_DWARF
592    CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
593  endif
594endif
595
596ifndef NO_LIBUNWIND
597  have_libunwind :=
598
599  $(call feature_check,libunwind-x86)
600  ifeq ($(feature-libunwind-x86), 1)
601    $(call detected,CONFIG_LIBUNWIND_X86)
602    CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
603    LDFLAGS += -lunwind-x86
604    EXTLIBS_LIBUNWIND += -lunwind-x86
605    have_libunwind = 1
606  endif
607
608  $(call feature_check,libunwind-aarch64)
609  ifeq ($(feature-libunwind-aarch64), 1)
610    $(call detected,CONFIG_LIBUNWIND_AARCH64)
611    CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
612    LDFLAGS += -lunwind-aarch64
613    EXTLIBS_LIBUNWIND += -lunwind-aarch64
614    have_libunwind = 1
615    $(call feature_check,libunwind-debug-frame-aarch64)
616    ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
617      msg := $(warning No debug_frame support found in libunwind-aarch64);
618      CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
619    endif
620  endif
621
622  ifneq ($(feature-libunwind), 1)
623    msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
624    NO_LOCAL_LIBUNWIND := 1
625  else
626    have_libunwind := 1
627    $(call detected,CONFIG_LOCAL_LIBUNWIND)
628  endif
629
630  ifneq ($(have_libunwind), 1)
631    NO_LIBUNWIND := 1
632  endif
633else
634  NO_LOCAL_LIBUNWIND := 1
635endif
636
637ifndef NO_LIBBPF
638  ifneq ($(feature-bpf), 1)
639    msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
640    NO_LIBBPF := 1
641  endif
642endif
643
644ifdef BUILD_BPF_SKEL
645  $(call feature_check,clang-bpf-co-re)
646  ifeq ($(feature-clang-bpf-co-re), 0)
647    dummy := $(error Error: clang too old/not installed. Please install recent clang to build with BUILD_BPF_SKEL)
648  endif
649  $(call detected,CONFIG_PERF_BPF_SKEL)
650  CFLAGS += -DHAVE_BPF_SKEL
651endif
652
653dwarf-post-unwind := 1
654dwarf-post-unwind-text := BUG
655
656# setup DWARF post unwinder
657ifdef NO_LIBUNWIND
658  ifdef NO_LIBDW_DWARF_UNWIND
659    msg := $(warning Disabling post unwind, no support found.);
660    dwarf-post-unwind := 0
661  else
662    dwarf-post-unwind-text := libdw
663    $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
664  endif
665else
666  dwarf-post-unwind-text := libunwind
667  $(call detected,CONFIG_LIBUNWIND)
668  # Enable libunwind support by default.
669  ifndef NO_LIBDW_DWARF_UNWIND
670    NO_LIBDW_DWARF_UNWIND := 1
671  endif
672endif
673
674ifeq ($(dwarf-post-unwind),1)
675  CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
676  $(call detected,CONFIG_DWARF_UNWIND)
677else
678  NO_DWARF_UNWIND := 1
679endif
680
681ifndef NO_LOCAL_LIBUNWIND
682  ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
683    $(call feature_check,libunwind-debug-frame)
684    ifneq ($(feature-libunwind-debug-frame), 1)
685      msg := $(warning No debug_frame support found in libunwind);
686      CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
687    endif
688  else
689    # non-ARM has no dwarf_find_debug_frame() function:
690    CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
691  endif
692  EXTLIBS += $(LIBUNWIND_LIBS)
693  LDFLAGS += $(LIBUNWIND_LIBS)
694endif
695ifeq ($(findstring -static,${LDFLAGS}),-static)
696  # gcc -static links libgcc_eh which contans piece of libunwind
697  LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
698endif
699
700ifndef NO_LIBUNWIND
701  CFLAGS  += -DHAVE_LIBUNWIND_SUPPORT
702  CFLAGS  += $(LIBUNWIND_CFLAGS)
703  LDFLAGS += $(LIBUNWIND_LDFLAGS)
704  EXTLIBS += $(EXTLIBS_LIBUNWIND)
705endif
706
707ifeq ($(NO_SYSCALL_TABLE),0)
708  $(call detected,CONFIG_TRACE)
709else
710  ifndef NO_LIBAUDIT
711    $(call feature_check,libaudit)
712    ifneq ($(feature-libaudit), 1)
713      msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
714      NO_LIBAUDIT := 1
715    else
716      CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
717      EXTLIBS += -laudit
718      $(call detected,CONFIG_TRACE)
719    endif
720  endif
721endif
722
723ifndef NO_LIBCRYPTO
724  ifneq ($(feature-libcrypto), 1)
725    msg := $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev);
726    NO_LIBCRYPTO := 1
727  else
728    CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
729    EXTLIBS += -lcrypto
730    $(call detected,CONFIG_CRYPTO)
731  endif
732endif
733
734ifdef NO_NEWT
735  NO_SLANG=1
736endif
737
738ifndef NO_SLANG
739  ifneq ($(feature-libslang), 1)
740    ifneq ($(feature-libslang-include-subdir), 1)
741      msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
742      NO_SLANG := 1
743    else
744      CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR
745    endif
746  endif
747  ifndef NO_SLANG
748    # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
749    CFLAGS += -DHAVE_SLANG_SUPPORT
750    EXTLIBS += -lslang
751    $(call detected,CONFIG_SLANG)
752  endif
753endif
754
755ifdef GTK2
756  FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
757  $(call feature_check,gtk2)
758  ifneq ($(feature-gtk2), 1)
759    msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
760    NO_GTK2 := 1
761  else
762    $(call feature_check,gtk2-infobar)
763    ifeq ($(feature-gtk2-infobar), 1)
764      GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
765    endif
766    CFLAGS += -DHAVE_GTK2_SUPPORT
767    GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
768    GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
769    EXTLIBS += -ldl
770  endif
771endif
772
773ifdef NO_LIBPERL
774  CFLAGS += -DNO_LIBPERL
775else
776  PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
777  PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
778  PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
779  PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
780  PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
781  PERL_EMBED_CCOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(PERL_EMBED_CCOPTS))
782  PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
783  FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
784
785  ifneq ($(feature-libperl), 1)
786    CFLAGS += -DNO_LIBPERL
787    NO_LIBPERL := 1
788    msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
789  else
790    LDFLAGS += $(PERL_EMBED_LDFLAGS)
791    EXTLIBS += $(PERL_EMBED_LIBADD)
792    CFLAGS += -DHAVE_LIBPERL_SUPPORT
793    $(call detected,CONFIG_LIBPERL)
794  endif
795endif
796
797ifeq ($(feature-timerfd), 1)
798  CFLAGS += -DHAVE_TIMERFD_SUPPORT
799else
800  msg := $(warning No timerfd support. Disables 'perf kvm stat live');
801endif
802
803disable-python = $(eval $(disable-python_code))
804define disable-python_code
805  CFLAGS += -DNO_LIBPYTHON
806  $(warning $1)
807  NO_LIBPYTHON := 1
808endef
809
810ifdef NO_LIBPYTHON
811  $(call disable-python,Python support disabled by user)
812else
813
814  ifndef PYTHON
815    $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
816  else
817    PYTHON_WORD := $(call shell-wordify,$(PYTHON))
818
819    ifndef PYTHON_CONFIG
820      $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
821    else
822
823      ifneq ($(feature-libpython), 1)
824        $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
825      else
826         LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
827         EXTLIBS += $(PYTHON_EMBED_LIBADD)
828         LANG_BINDINGS += $(obj-perf)python/perf.so
829         CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
830         $(call detected,CONFIG_LIBPYTHON)
831      endif
832    endif
833  endif
834endif
835
836
837ifndef NO_LIBBFD
838  ifeq ($(feature-libbfd), 1)
839    EXTLIBS += -lbfd -lopcodes
840  else
841    # we are on a system that requires -liberty and (maybe) -lz
842    # to link against -lbfd; test each case individually here
843
844    # call all detections now so we get correct
845    # status in VF output
846    $(call feature_check,libbfd-liberty)
847    $(call feature_check,libbfd-liberty-z)
848
849    ifeq ($(feature-libbfd-liberty), 1)
850      EXTLIBS += -lbfd -lopcodes -liberty
851      FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl
852    else
853      ifeq ($(feature-libbfd-liberty-z), 1)
854        EXTLIBS += -lbfd -lopcodes -liberty -lz
855        FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl
856      endif
857    endif
858    $(call feature_check,disassembler-four-args)
859  endif
860
861  ifeq ($(feature-libbfd-buildid), 1)
862    CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT
863  else
864    msg := $(warning Old version of libbfd/binutils things like PE executable profiling will not be available);
865  endif
866endif
867
868ifdef NO_DEMANGLE
869  CFLAGS += -DNO_DEMANGLE
870else
871  ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
872    EXTLIBS += -liberty
873  else
874    ifeq ($(filter -liberty,$(EXTLIBS)),)
875      $(call feature_check,cplus-demangle)
876
877      # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
878      # or any of 'bfd iberty z' trinity
879      ifeq ($(feature-cplus-demangle), 1)
880        EXTLIBS += -liberty
881      else
882        msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
883        CFLAGS += -DNO_DEMANGLE
884      endif
885    endif
886  endif
887
888  ifneq ($(filter -liberty,$(EXTLIBS)),)
889    CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
890  endif
891endif
892
893ifneq ($(filter -lbfd,$(EXTLIBS)),)
894  CFLAGS += -DHAVE_LIBBFD_SUPPORT
895endif
896
897ifndef NO_ZLIB
898  ifeq ($(feature-zlib), 1)
899    CFLAGS += -DHAVE_ZLIB_SUPPORT
900    EXTLIBS += -lz
901    $(call detected,CONFIG_ZLIB)
902  else
903    NO_ZLIB := 1
904  endif
905endif
906
907ifndef NO_LZMA
908  ifeq ($(feature-lzma), 1)
909    CFLAGS += -DHAVE_LZMA_SUPPORT
910    EXTLIBS += -llzma
911    $(call detected,CONFIG_LZMA)
912  else
913    msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
914    NO_LZMA := 1
915  endif
916endif
917
918ifndef NO_LIBZSTD
919  ifeq ($(feature-libzstd), 1)
920    CFLAGS += -DHAVE_ZSTD_SUPPORT
921    CFLAGS += $(LIBZSTD_CFLAGS)
922    LDFLAGS += $(LIBZSTD_LDFLAGS)
923    EXTLIBS += -lzstd
924    $(call detected,CONFIG_ZSTD)
925  else
926    msg := $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR);
927    NO_LIBZSTD := 1
928  endif
929endif
930
931ifndef NO_LIBCAP
932  ifeq ($(feature-libcap), 1)
933    CFLAGS += -DHAVE_LIBCAP_SUPPORT
934    EXTLIBS += -lcap
935    $(call detected,CONFIG_LIBCAP)
936  else
937    msg := $(warning No libcap found, disables capability support, please install libcap-devel/libcap-dev);
938    NO_LIBCAP := 1
939  endif
940endif
941
942ifndef NO_BACKTRACE
943  ifeq ($(feature-backtrace), 1)
944    CFLAGS += -DHAVE_BACKTRACE_SUPPORT
945  endif
946endif
947
948ifndef NO_LIBNUMA
949  ifeq ($(feature-libnuma), 0)
950    msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
951    NO_LIBNUMA := 1
952  else
953    ifeq ($(feature-numa_num_possible_cpus), 0)
954      msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
955      NO_LIBNUMA := 1
956    else
957      CFLAGS += -DHAVE_LIBNUMA_SUPPORT
958      EXTLIBS += -lnuma
959      $(call detected,CONFIG_NUMA)
960    endif
961  endif
962endif
963
964ifdef HAVE_KVM_STAT_SUPPORT
965    CFLAGS += -DHAVE_KVM_STAT_SUPPORT
966endif
967
968ifeq ($(feature-disassembler-four-args), 1)
969    CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
970endif
971
972ifeq (${IS_64_BIT}, 1)
973  ifndef NO_PERF_READ_VDSO32
974    $(call feature_check,compile-32)
975    ifeq ($(feature-compile-32), 1)
976      CFLAGS += -DHAVE_PERF_READ_VDSO32
977    else
978      NO_PERF_READ_VDSO32 := 1
979    endif
980  endif
981  ifneq ($(SRCARCH), x86)
982    NO_PERF_READ_VDSOX32 := 1
983  endif
984  ifndef NO_PERF_READ_VDSOX32
985    $(call feature_check,compile-x32)
986    ifeq ($(feature-compile-x32), 1)
987      CFLAGS += -DHAVE_PERF_READ_VDSOX32
988    else
989      NO_PERF_READ_VDSOX32 := 1
990    endif
991  endif
992else
993  NO_PERF_READ_VDSO32 := 1
994  NO_PERF_READ_VDSOX32 := 1
995endif
996
997ifndef NO_LIBBABELTRACE
998  $(call feature_check,libbabeltrace)
999  ifeq ($(feature-libbabeltrace), 1)
1000    CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
1001    LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
1002    EXTLIBS += -lbabeltrace-ctf
1003    $(call detected,CONFIG_LIBBABELTRACE)
1004  else
1005    msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
1006  endif
1007endif
1008
1009ifndef NO_AUXTRACE
1010  ifeq ($(SRCARCH),x86)
1011    ifeq ($(feature-get_cpuid), 0)
1012      msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
1013      NO_AUXTRACE := 1
1014    endif
1015  endif
1016  ifndef NO_AUXTRACE
1017    $(call detected,CONFIG_AUXTRACE)
1018    CFLAGS += -DHAVE_AUXTRACE_SUPPORT
1019    ifeq ($(feature-reallocarray), 0)
1020      CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
1021    endif
1022  endif
1023endif
1024
1025ifndef NO_JVMTI
1026  ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
1027    JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
1028  else
1029    ifneq (,$(wildcard /usr/sbin/alternatives))
1030      JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g')
1031    endif
1032  endif
1033  ifndef JDIR
1034    $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
1035    NO_JVMTI := 1
1036  endif
1037endif
1038
1039ifndef NO_JVMTI
1040  FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
1041  $(call feature_check,jvmti)
1042  ifeq ($(feature-jvmti), 1)
1043    $(call detected_var,JDIR)
1044    ifndef NO_JVMTI_CMLR
1045      FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti)
1046      $(call feature_check,jvmti-cmlr)
1047      ifeq ($(feature-jvmti-cmlr), 1)
1048        CFLAGS += -DHAVE_JVMTI_CMLR
1049      endif
1050    endif # NO_JVMTI_CMLR
1051  else
1052    $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel)
1053    NO_JVMTI := 1
1054  endif
1055endif
1056
1057USE_CXX = 0
1058USE_CLANGLLVM = 0
1059ifdef LIBCLANGLLVM
1060  $(call feature_check,cxx)
1061  ifneq ($(feature-cxx), 1)
1062    msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
1063  else
1064    $(call feature_check,llvm)
1065    $(call feature_check,llvm-version)
1066    ifneq ($(feature-llvm), 1)
1067      msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
1068    else
1069      $(call feature_check,clang)
1070      ifneq ($(feature-clang), 1)
1071        msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
1072      else
1073        CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
1074        CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
1075        $(call detected,CONFIG_CXX)
1076        $(call detected,CONFIG_CLANGLLVM)
1077	USE_CXX = 1
1078	USE_LLVM = 1
1079	USE_CLANG = 1
1080        ifneq ($(feature-llvm-version),1)
1081          msg := $(warning This version of LLVM is not tested. May cause build errors)
1082        endif
1083      endif
1084    endif
1085  endif
1086endif
1087
1088ifdef LIBPFM4
1089  $(call feature_check,libpfm4)
1090  ifeq ($(feature-libpfm4), 1)
1091    CFLAGS += -DHAVE_LIBPFM
1092    EXTLIBS += -lpfm
1093    ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1
1094    $(call detected,CONFIG_LIBPFM4)
1095  else
1096    msg := $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev);
1097    NO_LIBPFM4 := 1
1098  endif
1099endif
1100
1101ifdef LIBTRACEEVENT_DYNAMIC
1102  $(call feature_check,libtraceevent)
1103  ifeq ($(feature-libtraceevent), 1)
1104    EXTLIBS += -ltraceevent
1105    LIBTRACEEVENT_VERSION := $(shell $(PKG_CONFIG) --modversion libtraceevent)
1106    LIBTRACEEVENT_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEEVENT_VERSION)))
1107    LIBTRACEEVENT_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEEVENT_VERSION)))
1108    LIBTRACEEVENT_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEEVENT_VERSION)))
1109    LIBTRACEEVENT_VERSION_CPP := $(shell expr $(LIBTRACEEVENT_VERSION_1) \* 255 \* 255 + $(LIBTRACEEVENT_VERSION_2) \* 255 + $(LIBTRACEEVENT_VERSION_3))
1110    CFLAGS += -DLIBTRACEEVENT_VERSION=$(LIBTRACEEVENT_VERSION_CPP)
1111  else
1112    dummy := $(error Error: No libtraceevent devel library found, please install libtraceevent-devel);
1113  endif
1114endif
1115
1116ifdef LIBTRACEFS_DYNAMIC
1117  $(call feature_check,libtracefs)
1118  ifeq ($(feature-libtracefs), 1)
1119    EXTLIBS += -ltracefs
1120    LIBTRACEFS_VERSION := $(shell $(PKG_CONFIG) --modversion libtracefs)
1121    LIBTRACEFS_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEFS_VERSION)))
1122    LIBTRACEFS_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEFS_VERSION)))
1123    LIBTRACEFS_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEFS_VERSION)))
1124    LIBTRACEFS_VERSION_CPP := $(shell expr $(LIBTRACEFS_VERSION_1) \* 255 \* 255 + $(LIBTRACEFS_VERSION_2) \* 255 + $(LIBTRACEFS_VERSION_3))
1125    CFLAGS += -DLIBTRACEFS_VERSION=$(LIBTRACEFS_VERSION_CPP)
1126  else
1127    dummy := $(error Error: No libtracefs devel library found, please install libtracefs-dev);
1128  endif
1129endif
1130
1131# Among the variables below, these:
1132#   perfexecdir
1133#   perf_include_dir
1134#   perf_examples_dir
1135#   template_dir
1136#   mandir
1137#   infodir
1138#   htmldir
1139#   ETC_PERFCONFIG (but not sysconfdir)
1140# can be specified as a relative path some/where/else;
1141# this is interpreted as relative to $(prefix) and "perf" at
1142# runtime figures out where they are based on the path to the executable.
1143# This can help installing the suite in a relocatable way.
1144
1145# Make the path relative to DESTDIR, not to prefix
1146ifndef DESTDIR
1147prefix ?= $(HOME)
1148endif
1149bindir_relative = bin
1150bindir = $(abspath $(prefix)/$(bindir_relative))
1151includedir_relative = include
1152includedir = $(abspath $(prefix)/$(includedir_relative))
1153mandir = share/man
1154infodir = share/info
1155perfexecdir = libexec/perf-core
1156perf_include_dir = lib/perf/include
1157perf_examples_dir = lib/perf/examples
1158sharedir = $(prefix)/share
1159template_dir = share/perf-core/templates
1160STRACE_GROUPS_DIR = share/perf-core/strace/groups
1161htmldir = share/doc/perf-doc
1162tipdir = share/doc/perf-tip
1163srcdir = $(srctree)/tools/perf
1164ifeq ($(prefix),/usr)
1165sysconfdir = /etc
1166ETC_PERFCONFIG = $(sysconfdir)/perfconfig
1167else
1168sysconfdir = $(prefix)/etc
1169ETC_PERFCONFIG = etc/perfconfig
1170endif
1171ifndef lib
1172ifeq ($(SRCARCH)$(IS_64_BIT), x861)
1173lib = lib64
1174else
1175lib = lib
1176endif
1177endif # lib
1178libdir = $(prefix)/$(lib)
1179
1180# Shell quote (do not use $(call) to accommodate ancient setups);
1181ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
1182STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
1183DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
1184bindir_SQ = $(subst ','\'',$(bindir))
1185includedir_SQ = $(subst ','\'',$(includedir))
1186mandir_SQ = $(subst ','\'',$(mandir))
1187infodir_SQ = $(subst ','\'',$(infodir))
1188perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
1189perf_include_dir_SQ = $(subst ','\'',$(perf_include_dir))
1190perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir))
1191template_dir_SQ = $(subst ','\'',$(template_dir))
1192htmldir_SQ = $(subst ','\'',$(htmldir))
1193tipdir_SQ = $(subst ','\'',$(tipdir))
1194prefix_SQ = $(subst ','\'',$(prefix))
1195sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
1196libdir_SQ = $(subst ','\'',$(libdir))
1197srcdir_SQ = $(subst ','\'',$(srcdir))
1198
1199ifneq ($(filter /%,$(firstword $(perfexecdir))),)
1200perfexec_instdir = $(perfexecdir)
1201perf_include_instdir = $(perf_include_dir)
1202perf_examples_instdir = $(perf_examples_dir)
1203STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
1204tip_instdir = $(tipdir)
1205else
1206perfexec_instdir = $(prefix)/$(perfexecdir)
1207perf_include_instdir = $(prefix)/$(perf_include_dir)
1208perf_examples_instdir = $(prefix)/$(perf_examples_dir)
1209STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
1210tip_instdir = $(prefix)/$(tipdir)
1211endif
1212perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
1213perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir))
1214perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir))
1215STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
1216tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
1217
1218# If we install to $(HOME) we keep the traceevent default:
1219# $(HOME)/.traceevent/plugins
1220# Otherwise we install plugins into the global $(libdir).
1221ifdef DESTDIR
1222plugindir=$(libdir)/traceevent/plugins
1223plugindir_SQ= $(subst ','\'',$(plugindir))
1224endif
1225
1226print_var = $(eval $(print_var_code)) $(info $(MSG))
1227define print_var_code
1228    MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
1229endef
1230
1231ifeq ($(VF),1)
1232  # Display EXTRA features which are detected manualy
1233  # from here with feature_check call and thus cannot
1234  # be partof global state output.
1235  $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),))
1236  $(call print_var,prefix)
1237  $(call print_var,bindir)
1238  $(call print_var,libdir)
1239  $(call print_var,sysconfdir)
1240  $(call print_var,LIBUNWIND_DIR)
1241  $(call print_var,LIBDW_DIR)
1242  $(call print_var,JDIR)
1243
1244  ifeq ($(dwarf-post-unwind),1)
1245    $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
1246  endif
1247  $(info )
1248endif
1249
1250$(call detected_var,bindir_SQ)
1251$(call detected_var,PYTHON_WORD)
1252ifneq ($(OUTPUT),)
1253$(call detected_var,OUTPUT)
1254endif
1255$(call detected_var,htmldir_SQ)
1256$(call detected_var,infodir_SQ)
1257$(call detected_var,mandir_SQ)
1258$(call detected_var,ETC_PERFCONFIG_SQ)
1259$(call detected_var,STRACE_GROUPS_DIR_SQ)
1260$(call detected_var,prefix_SQ)
1261$(call detected_var,perfexecdir_SQ)
1262$(call detected_var,perf_include_dir_SQ)
1263$(call detected_var,perf_examples_dir_SQ)
1264$(call detected_var,tipdir_SQ)
1265$(call detected_var,srcdir_SQ)
1266$(call detected_var,LIBDIR)
1267$(call detected_var,GTK_CFLAGS)
1268$(call detected_var,PERL_EMBED_CCOPTS)
1269$(call detected_var,PYTHON_EMBED_CCOPTS)
1270ifneq ($(BISON_FILE_PREFIX_MAP),)
1271$(call detected_var,BISON_FILE_PREFIX_MAP)
1272endif
1273
1274# re-generate FEATURE-DUMP as we may have called feature_check, found out
1275# extra libraries to add to LDFLAGS of some other test and then redo those
1276# tests, see the block about libbfd, disassembler-four-args, for instance.
1277$(shell rm -f $(FEATURE_DUMP_FILENAME))
1278$(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME)))
1279
1280ifeq ($(feature_display),1)
1281  $(call feature_display_entries)
1282endif
1283