xref: /openbmc/linux/tools/perf/Makefile.config (revision b84ba30b) 
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))
20
21include $(srctree)/tools/scripts/Makefile.arch
22
23$(call detected_var,SRCARCH)
24
25NO_PERF_REGS := 1
26
27ifneq ($(NO_SYSCALL_TABLE),1)
28  NO_SYSCALL_TABLE := 1
29
30  ifeq ($(SRCARCH),x86)
31    ifeq (${IS_64_BIT}, 1)
32      NO_SYSCALL_TABLE := 0
33    endif
34  else
35    ifeq ($(SRCARCH),$(filter $(SRCARCH),powerpc arm64 s390 mips))
36      NO_SYSCALL_TABLE := 0
37    endif
38  endif
39
40  ifneq ($(NO_SYSCALL_TABLE),1)
41    CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT
42  endif
43endif
44
45# Additional ARCH settings for ppc
46ifeq ($(SRCARCH),powerpc)
47  NO_PERF_REGS := 0
48  CFLAGS += -I$(OUTPUT)arch/powerpc/include/generated
49  LIBUNWIND_LIBS := -lunwind -lunwind-ppc64
50endif
51
52# Additional ARCH settings for x86
53ifeq ($(SRCARCH),x86)
54  $(call detected,CONFIG_X86)
55  ifeq (${IS_64_BIT}, 1)
56    CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT -I$(OUTPUT)arch/x86/include/generated
57    ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
58    LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind -llzma
59    $(call detected,CONFIG_X86_64)
60  else
61    LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind
62  endif
63  NO_PERF_REGS := 0
64endif
65
66ifeq ($(SRCARCH),arm)
67  NO_PERF_REGS := 0
68  LIBUNWIND_LIBS = -lunwind -lunwind-arm
69endif
70
71ifeq ($(SRCARCH),arm64)
72  NO_PERF_REGS := 0
73  CFLAGS += -I$(OUTPUT)arch/arm64/include/generated
74  LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
75endif
76
77ifeq ($(SRCARCH),riscv)
78  NO_PERF_REGS := 0
79endif
80
81ifeq ($(SRCARCH),csky)
82  NO_PERF_REGS := 0
83endif
84
85ifeq ($(ARCH),s390)
86  NO_PERF_REGS := 0
87  CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated
88endif
89
90ifeq ($(ARCH),mips)
91  NO_PERF_REGS := 0
92  CFLAGS += -I$(OUTPUT)arch/mips/include/generated
93  LIBUNWIND_LIBS = -lunwind -lunwind-mips
94endif
95
96ifeq ($(NO_PERF_REGS),0)
97  $(call detected,CONFIG_PERF_REGS)
98endif
99
100# So far there's only x86 and arm libdw unwind support merged in perf.
101# Disable it on all other architectures in case libdw unwind
102# support is detected in system. Add supported architectures
103# to the check.
104ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390 csky riscv))
105  NO_LIBDW_DWARF_UNWIND := 1
106endif
107
108ifeq ($(LIBUNWIND_LIBS),)
109  NO_LIBUNWIND := 1
110endif
111#
112# For linking with debug library, run like:
113#
114#   make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
115#
116
117libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
118define libunwind_arch_set_flags_code
119  FEATURE_CHECK_CFLAGS-libunwind-$(1)  = -I$(LIBUNWIND_DIR)/include
120  FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
121endef
122
123ifdef LIBUNWIND_DIR
124  LIBUNWIND_CFLAGS  = -I$(LIBUNWIND_DIR)/include
125  LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
126  LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64
127  $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
128endif
129
130# Set per-feature check compilation flags
131FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
132FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
133FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
134FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
135
136FEATURE_CHECK_LDFLAGS-libunwind-arm += -lunwind -lunwind-arm
137FEATURE_CHECK_LDFLAGS-libunwind-aarch64 += -lunwind -lunwind-aarch64
138FEATURE_CHECK_LDFLAGS-libunwind-x86 += -lunwind -llzma -lunwind-x86
139FEATURE_CHECK_LDFLAGS-libunwind-x86_64 += -lunwind -llzma -lunwind-x86_64
140
141FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto
142
143ifdef CSINCLUDES
144  LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)
145endif
146OPENCSDLIBS := -lopencsd_c_api -lopencsd -lstdc++
147ifdef CSLIBS
148  LIBOPENCSD_LDFLAGS := -L$(CSLIBS)
149endif
150FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS)
151FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS)
152
153ifeq ($(NO_PERF_REGS),0)
154  CFLAGS += -DHAVE_PERF_REGS_SUPPORT
155endif
156
157# for linking with debug library, run like:
158# make DEBUG=1 LIBDW_DIR=/opt/libdw/
159ifdef LIBDW_DIR
160  LIBDW_CFLAGS  := -I$(LIBDW_DIR)/include
161  LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
162endif
163DWARFLIBS := -ldw
164ifeq ($(findstring -static,${LDFLAGS}),-static)
165  DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2
166endif
167FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
168FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS)
169
170# for linking with debug library, run like:
171# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
172ifdef LIBBABELTRACE_DIR
173  LIBBABELTRACE_CFLAGS  := -I$(LIBBABELTRACE_DIR)/include
174  LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
175endif
176FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
177FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
178
179ifdef LIBZSTD_DIR
180  LIBZSTD_CFLAGS  := -I$(LIBZSTD_DIR)/lib
181  LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib
182endif
183FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS)
184FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS)
185
186FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi
187# include ARCH specific config
188-include $(src-perf)/arch/$(SRCARCH)/Makefile
189
190ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
191  CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
192endif
193
194include $(srctree)/tools/scripts/utilities.mak
195
196ifeq ($(call get-executable,$(FLEX)),)
197  dummy := $(error Error: $(FLEX) is missing on this system, please install it)
198endif
199
200ifeq ($(call get-executable,$(BISON)),)
201  dummy := $(error Error: $(BISON) is missing on this system, please install it)
202endif
203
204ifneq ($(OUTPUT),)
205  ifeq ($(shell expr $(shell $(BISON) --version | grep bison | sed -e 's/.\+ \([0-9]\+\).\([0-9]\+\).\([0-9]\+\)/\1\2\3/g') \>\= 371), 1)
206    BISON_FILE_PREFIX_MAP := --file-prefix-map=$(OUTPUT)=
207  endif
208endif
209
210# Treat warnings as errors unless directed not to
211ifneq ($(WERROR),0)
212  CORE_CFLAGS += -Werror
213  CXXFLAGS += -Werror
214endif
215
216ifndef DEBUG
217  DEBUG := 0
218endif
219
220ifeq ($(DEBUG),0)
221ifeq ($(CC_NO_CLANG), 0)
222  CORE_CFLAGS += -O3
223else
224  CORE_CFLAGS += -O6
225endif
226endif
227
228ifdef PARSER_DEBUG
229  PARSER_DEBUG_BISON := -t
230  PARSER_DEBUG_FLEX  := -d
231  CFLAGS             += -DPARSER_DEBUG
232  $(call detected_var,PARSER_DEBUG_BISON)
233  $(call detected_var,PARSER_DEBUG_FLEX)
234endif
235
236# Try different combinations to accommodate systems that only have
237# python[2][-config] in weird combinations but always preferring
238# python2 and python2-config as per pep-0394. If python2 or python
239# aren't found, then python3 is used.
240PYTHON_AUTO := python
241PYTHON_AUTO := $(if $(call get-executable,python3),python3,$(PYTHON_AUTO))
242PYTHON_AUTO := $(if $(call get-executable,python),python,$(PYTHON_AUTO))
243PYTHON_AUTO := $(if $(call get-executable,python2),python2,$(PYTHON_AUTO))
244override PYTHON := $(call get-executable-or-default,PYTHON,$(PYTHON_AUTO))
245PYTHON_AUTO_CONFIG := \
246  $(if $(call get-executable,$(PYTHON)-config),$(PYTHON)-config,python-config)
247override PYTHON_CONFIG := \
248  $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON_AUTO_CONFIG))
249
250grep-libs  = $(filter -l%,$(1))
251strip-libs  = $(filter-out -l%,$(1))
252
253PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
254
255# Python 3.8 changed the output of `python-config --ldflags` to not include the
256# '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for
257# libpython fails if that flag is not included in LDFLAGS
258ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0)
259  PYTHON_CONFIG_LDFLAGS := --ldflags --embed
260else
261  PYTHON_CONFIG_LDFLAGS := --ldflags
262endif
263
264ifdef PYTHON_CONFIG
265  PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) $(PYTHON_CONFIG_LDFLAGS) 2>/dev/null)
266  PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
267  PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
268  PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null)
269  FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
270endif
271
272FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
273FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
274FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
275FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
276
277FEATURE_CHECK_LDFLAGS-libaio = -lrt
278
279FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes -ldl
280
281CORE_CFLAGS += -fno-omit-frame-pointer
282CORE_CFLAGS += -ggdb3
283CORE_CFLAGS += -funwind-tables
284CORE_CFLAGS += -Wall
285CORE_CFLAGS += -Wextra
286CORE_CFLAGS += -std=gnu99
287
288CXXFLAGS += -std=gnu++14 -fno-exceptions -fno-rtti
289CXXFLAGS += -Wall
290CXXFLAGS += -fno-omit-frame-pointer
291CXXFLAGS += -ggdb3
292CXXFLAGS += -funwind-tables
293CXXFLAGS += -Wno-strict-aliasing
294
295# Enforce a non-executable stack, as we may regress (again) in the future by
296# adding assembler files missing the .GNU-stack linker note.
297LDFLAGS += -Wl,-z,noexecstack
298
299EXTLIBS = -lpthread -lrt -lm -ldl
300
301ifneq ($(TCMALLOC),)
302  CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free
303  EXTLIBS += -ltcmalloc
304endif
305
306ifeq ($(FEATURES_DUMP),)
307# We will display at the end of this Makefile.config, using $(call feature_display_entries)
308# As we may retry some feature detection here, see the disassembler-four-args case, for instance
309  FEATURE_DISPLAY_DEFERRED := 1
310include $(srctree)/tools/build/Makefile.feature
311else
312include $(FEATURES_DUMP)
313endif
314
315ifeq ($(feature-stackprotector-all), 1)
316  CORE_CFLAGS += -fstack-protector-all
317endif
318
319ifeq ($(DEBUG),0)
320  ifeq ($(feature-fortify-source), 1)
321    CORE_CFLAGS += -D_FORTIFY_SOURCE=2
322  endif
323endif
324
325INC_FLAGS += -I$(srctree)/tools/lib/perf/include
326INC_FLAGS += -I$(src-perf)/util/include
327INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
328INC_FLAGS += -I$(srctree)/tools/include/
329INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
330INC_FLAGS += -I$(srctree)/tools/include/uapi
331INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
332INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
333
334# $(obj-perf)      for generated common-cmds.h
335# $(obj-perf)/util for generated bison/flex headers
336ifneq ($(OUTPUT),)
337INC_FLAGS += -I$(obj-perf)/util
338INC_FLAGS += -I$(obj-perf)
339endif
340
341INC_FLAGS += -I$(src-perf)/util
342INC_FLAGS += -I$(src-perf)
343INC_FLAGS += -I$(srctree)/tools/lib/
344
345CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
346
347CFLAGS   += $(CORE_CFLAGS) $(INC_FLAGS)
348CXXFLAGS += $(INC_FLAGS)
349
350LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS)
351
352ifeq ($(feature-pthread-attr-setaffinity-np), 1)
353  CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
354endif
355
356ifeq ($(feature-pthread-barrier), 1)
357  CFLAGS += -DHAVE_PTHREAD_BARRIER
358endif
359
360ifndef NO_BIONIC
361  $(call feature_check,bionic)
362  ifeq ($(feature-bionic), 1)
363    BIONIC := 1
364    CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE
365    CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE
366    EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
367    EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
368  endif
369endif
370
371ifeq ($(feature-eventfd), 1)
372  CFLAGS += -DHAVE_EVENTFD_SUPPORT
373endif
374
375ifeq ($(feature-get_current_dir_name), 1)
376  CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME
377endif
378
379ifeq ($(feature-gettid), 1)
380  CFLAGS += -DHAVE_GETTID
381endif
382
383ifeq ($(feature-file-handle), 1)
384  CFLAGS += -DHAVE_FILE_HANDLE
385endif
386
387ifdef NO_LIBELF
388  NO_DWARF := 1
389  NO_DEMANGLE := 1
390  NO_LIBUNWIND := 1
391  NO_LIBDW_DWARF_UNWIND := 1
392  NO_LIBBPF := 1
393  NO_JVMTI := 1
394else
395  ifeq ($(feature-libelf), 0)
396    ifeq ($(feature-glibc), 1)
397      LIBC_SUPPORT := 1
398    endif
399    ifeq ($(BIONIC),1)
400      LIBC_SUPPORT := 1
401    endif
402    ifeq ($(LIBC_SUPPORT),1)
403      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);
404
405      NO_LIBELF := 1
406      NO_DWARF := 1
407      NO_DEMANGLE := 1
408      NO_LIBUNWIND := 1
409      NO_LIBDW_DWARF_UNWIND := 1
410      NO_LIBBPF := 1
411      NO_JVMTI := 1
412    else
413      ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),)
414        ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0)
415          msg := $(error No libasan found, please install libasan);
416        endif
417      endif
418
419      ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),)
420        ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0)
421          msg := $(error No libubsan found, please install libubsan);
422        endif
423      endif
424
425      ifneq ($(filter s% -static%,$(LDFLAGS),),)
426        msg := $(error No static glibc found, please install glibc-static);
427      else
428        msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
429      endif
430    endif
431  else
432    ifndef NO_LIBDW_DWARF_UNWIND
433      ifneq ($(feature-libdw-dwarf-unwind),1)
434        NO_LIBDW_DWARF_UNWIND := 1
435        msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
436      endif
437    endif
438    ifneq ($(feature-dwarf), 1)
439      ifndef NO_DWARF
440        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);
441        NO_DWARF := 1
442      endif
443    else
444      ifneq ($(feature-dwarf_getlocations), 1)
445        msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
446      else
447        CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT
448      endif # dwarf_getlocations
449    endif # Dwarf support
450  endif # libelf support
451endif # NO_LIBELF
452
453ifeq ($(feature-glibc), 1)
454  CFLAGS += -DHAVE_GLIBC_SUPPORT
455endif
456
457ifeq ($(feature-libaio), 1)
458  ifndef NO_AIO
459    CFLAGS += -DHAVE_AIO_SUPPORT
460  endif
461endif
462
463ifdef NO_DWARF
464  NO_LIBDW_DWARF_UNWIND := 1
465endif
466
467ifeq ($(feature-sched_getcpu), 1)
468  CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
469endif
470
471ifeq ($(feature-setns), 1)
472  CFLAGS += -DHAVE_SETNS_SUPPORT
473  $(call detected,CONFIG_SETNS)
474endif
475
476ifdef CORESIGHT
477  $(call feature_check,libopencsd)
478  ifeq ($(feature-libopencsd), 1)
479    CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
480    ifeq ($(feature-reallocarray), 0)
481      CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
482    endif
483    LDFLAGS += $(LIBOPENCSD_LDFLAGS)
484    EXTLIBS += $(OPENCSDLIBS)
485    $(call detected,CONFIG_LIBOPENCSD)
486    ifdef CSTRACE_RAW
487      CFLAGS += -DCS_DEBUG_RAW
488      ifeq (${CSTRACE_RAW}, packed)
489        CFLAGS += -DCS_RAW_PACKED
490      endif
491    endif
492  else
493    dummy := $(error Error: No libopencsd library found or the version is not up-to-date. Please install recent libopencsd to build with CORESIGHT=1)
494  endif
495endif
496
497ifndef NO_LIBELF
498  CFLAGS += -DHAVE_LIBELF_SUPPORT
499  EXTLIBS += -lelf
500  $(call detected,CONFIG_LIBELF)
501
502  ifeq ($(feature-libelf-getphdrnum), 1)
503    CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
504  endif
505
506  ifeq ($(feature-libelf-gelf_getnote), 1)
507    CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
508  else
509    msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
510  endif
511
512  ifeq ($(feature-libelf-getshdrstrndx), 1)
513    CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
514  endif
515
516  ifndef NO_LIBDEBUGINFOD
517    $(call feature_check,libdebuginfod)
518    ifeq ($(feature-libdebuginfod), 1)
519      CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT
520      EXTLIBS += -ldebuginfod
521    endif
522  endif
523
524  ifndef NO_DWARF
525    ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
526      msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
527      NO_DWARF := 1
528    else
529      CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
530      LDFLAGS += $(LIBDW_LDFLAGS)
531      EXTLIBS += ${DWARFLIBS}
532      $(call detected,CONFIG_DWARF)
533    endif # PERF_HAVE_DWARF_REGS
534  endif # NO_DWARF
535
536  ifndef NO_LIBBPF
537    ifeq ($(feature-bpf), 1)
538      CFLAGS += -DHAVE_LIBBPF_SUPPORT
539      $(call detected,CONFIG_LIBBPF)
540
541      # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status
542      $(call feature_check,libbpf)
543      ifdef LIBBPF_DYNAMIC
544        ifeq ($(feature-libbpf), 1)
545          EXTLIBS += -lbpf
546          $(call detected,CONFIG_LIBBPF_DYNAMIC)
547        else
548          dummy := $(error Error: No libbpf devel library found, please install libbpf-devel);
549        endif
550      endif
551    endif
552
553    ifndef NO_DWARF
554      ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
555        CFLAGS += -DHAVE_BPF_PROLOGUE
556        $(call detected,CONFIG_BPF_PROLOGUE)
557      else
558        msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset());
559      endif
560    else
561      msg := $(warning DWARF support is off, BPF prologue is disabled);
562    endif
563
564  endif # NO_LIBBPF
565endif # NO_LIBELF
566
567ifndef NO_SDT
568  ifneq ($(feature-sdt), 1)
569    msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
570    NO_SDT := 1;
571  else
572    CFLAGS += -DHAVE_SDT_EVENT
573    $(call detected,CONFIG_SDT_EVENT)
574  endif
575endif
576
577ifdef PERF_HAVE_JITDUMP
578  ifndef NO_LIBELF
579    $(call detected,CONFIG_JITDUMP)
580    CFLAGS += -DHAVE_JITDUMP
581  endif
582endif
583
584ifeq ($(SRCARCH),powerpc)
585  ifndef NO_DWARF
586    CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
587  endif
588endif
589
590ifndef NO_LIBUNWIND
591  have_libunwind :=
592
593  $(call feature_check,libunwind-x86)
594  ifeq ($(feature-libunwind-x86), 1)
595    $(call detected,CONFIG_LIBUNWIND_X86)
596    CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
597    LDFLAGS += -lunwind-x86
598    EXTLIBS_LIBUNWIND += -lunwind-x86
599    have_libunwind = 1
600  endif
601
602  $(call feature_check,libunwind-aarch64)
603  ifeq ($(feature-libunwind-aarch64), 1)
604    $(call detected,CONFIG_LIBUNWIND_AARCH64)
605    CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
606    LDFLAGS += -lunwind-aarch64
607    EXTLIBS_LIBUNWIND += -lunwind-aarch64
608    have_libunwind = 1
609    $(call feature_check,libunwind-debug-frame-aarch64)
610    ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
611      msg := $(warning No debug_frame support found in libunwind-aarch64);
612      CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
613    endif
614  endif
615
616  ifneq ($(feature-libunwind), 1)
617    msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
618    NO_LOCAL_LIBUNWIND := 1
619  else
620    have_libunwind := 1
621    $(call detected,CONFIG_LOCAL_LIBUNWIND)
622  endif
623
624  ifneq ($(have_libunwind), 1)
625    NO_LIBUNWIND := 1
626  endif
627else
628  NO_LOCAL_LIBUNWIND := 1
629endif
630
631ifndef NO_LIBBPF
632  ifneq ($(feature-bpf), 1)
633    msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
634    NO_LIBBPF := 1
635  endif
636endif
637
638ifdef BUILD_BPF_SKEL
639  $(call feature_check,clang-bpf-co-re)
640  ifeq ($(feature-clang-bpf-co-re), 0)
641    dummy := $(error Error: clang too old/not installed. Please install recent clang to build with BUILD_BPF_SKEL)
642  endif
643  $(call detected,CONFIG_PERF_BPF_SKEL)
644  CFLAGS += -DHAVE_BPF_SKEL
645endif
646
647dwarf-post-unwind := 1
648dwarf-post-unwind-text := BUG
649
650# setup DWARF post unwinder
651ifdef NO_LIBUNWIND
652  ifdef NO_LIBDW_DWARF_UNWIND
653    msg := $(warning Disabling post unwind, no support found.);
654    dwarf-post-unwind := 0
655  else
656    dwarf-post-unwind-text := libdw
657    $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
658  endif
659else
660  dwarf-post-unwind-text := libunwind
661  $(call detected,CONFIG_LIBUNWIND)
662  # Enable libunwind support by default.
663  ifndef NO_LIBDW_DWARF_UNWIND
664    NO_LIBDW_DWARF_UNWIND := 1
665  endif
666endif
667
668ifeq ($(dwarf-post-unwind),1)
669  CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
670  $(call detected,CONFIG_DWARF_UNWIND)
671else
672  NO_DWARF_UNWIND := 1
673endif
674
675ifndef NO_LOCAL_LIBUNWIND
676  ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
677    $(call feature_check,libunwind-debug-frame)
678    ifneq ($(feature-libunwind-debug-frame), 1)
679      msg := $(warning No debug_frame support found in libunwind);
680      CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
681    endif
682  else
683    # non-ARM has no dwarf_find_debug_frame() function:
684    CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
685  endif
686  EXTLIBS += $(LIBUNWIND_LIBS)
687  LDFLAGS += $(LIBUNWIND_LIBS)
688endif
689ifeq ($(findstring -static,${LDFLAGS}),-static)
690  # gcc -static links libgcc_eh which contans piece of libunwind
691  LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
692endif
693
694ifndef NO_LIBUNWIND
695  CFLAGS  += -DHAVE_LIBUNWIND_SUPPORT
696  CFLAGS  += $(LIBUNWIND_CFLAGS)
697  LDFLAGS += $(LIBUNWIND_LDFLAGS)
698  EXTLIBS += $(EXTLIBS_LIBUNWIND)
699endif
700
701ifeq ($(NO_SYSCALL_TABLE),0)
702  $(call detected,CONFIG_TRACE)
703else
704  ifndef NO_LIBAUDIT
705    $(call feature_check,libaudit)
706    ifneq ($(feature-libaudit), 1)
707      msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
708      NO_LIBAUDIT := 1
709    else
710      CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
711      EXTLIBS += -laudit
712      $(call detected,CONFIG_TRACE)
713    endif
714  endif
715endif
716
717ifndef NO_LIBCRYPTO
718  ifneq ($(feature-libcrypto), 1)
719    msg := $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev);
720    NO_LIBCRYPTO := 1
721  else
722    CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
723    EXTLIBS += -lcrypto
724    $(call detected,CONFIG_CRYPTO)
725  endif
726endif
727
728ifdef NO_NEWT
729  NO_SLANG=1
730endif
731
732ifndef NO_SLANG
733  ifneq ($(feature-libslang), 1)
734    ifneq ($(feature-libslang-include-subdir), 1)
735      msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
736      NO_SLANG := 1
737    else
738      CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR
739    endif
740  endif
741  ifndef NO_SLANG
742    # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
743    CFLAGS += -DHAVE_SLANG_SUPPORT
744    EXTLIBS += -lslang
745    $(call detected,CONFIG_SLANG)
746  endif
747endif
748
749ifdef GTK2
750  FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
751  $(call feature_check,gtk2)
752  ifneq ($(feature-gtk2), 1)
753    msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
754    NO_GTK2 := 1
755  else
756    $(call feature_check,gtk2-infobar)
757    ifeq ($(feature-gtk2-infobar), 1)
758      GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
759    endif
760    CFLAGS += -DHAVE_GTK2_SUPPORT
761    GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
762    GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
763    EXTLIBS += -ldl
764  endif
765endif
766
767ifdef NO_LIBPERL
768  CFLAGS += -DNO_LIBPERL
769else
770  PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
771  PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
772  PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
773  PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
774  PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
775  PERL_EMBED_CCOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(PERL_EMBED_CCOPTS))
776  PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
777  FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
778
779  ifneq ($(feature-libperl), 1)
780    CFLAGS += -DNO_LIBPERL
781    NO_LIBPERL := 1
782    msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
783  else
784    LDFLAGS += $(PERL_EMBED_LDFLAGS)
785    EXTLIBS += $(PERL_EMBED_LIBADD)
786    CFLAGS += -DHAVE_LIBPERL_SUPPORT
787    $(call detected,CONFIG_LIBPERL)
788  endif
789endif
790
791ifeq ($(feature-timerfd), 1)
792  CFLAGS += -DHAVE_TIMERFD_SUPPORT
793else
794  msg := $(warning No timerfd support. Disables 'perf kvm stat live');
795endif
796
797disable-python = $(eval $(disable-python_code))
798define disable-python_code
799  CFLAGS += -DNO_LIBPYTHON
800  $(warning $1)
801  NO_LIBPYTHON := 1
802endef
803
804ifdef NO_LIBPYTHON
805  $(call disable-python,Python support disabled by user)
806else
807
808  ifndef PYTHON
809    $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
810  else
811    PYTHON_WORD := $(call shell-wordify,$(PYTHON))
812
813    ifndef PYTHON_CONFIG
814      $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
815    else
816
817      ifneq ($(feature-libpython), 1)
818        $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
819      else
820         LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
821         EXTLIBS += $(PYTHON_EMBED_LIBADD)
822         LANG_BINDINGS += $(obj-perf)python/perf.so
823         CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
824         $(call detected,CONFIG_LIBPYTHON)
825      endif
826    endif
827  endif
828endif
829
830
831ifndef NO_LIBBFD
832  ifeq ($(feature-libbfd), 1)
833    EXTLIBS += -lbfd -lopcodes
834  else
835    # we are on a system that requires -liberty and (maybe) -lz
836    # to link against -lbfd; test each case individually here
837
838    # call all detections now so we get correct
839    # status in VF output
840    $(call feature_check,libbfd-liberty)
841    $(call feature_check,libbfd-liberty-z)
842
843    ifeq ($(feature-libbfd-liberty), 1)
844      EXTLIBS += -lbfd -lopcodes -liberty
845      FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl
846    else
847      ifeq ($(feature-libbfd-liberty-z), 1)
848        EXTLIBS += -lbfd -lopcodes -liberty -lz
849        FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl
850      endif
851    endif
852    $(call feature_check,disassembler-four-args)
853  endif
854
855  ifeq ($(feature-libbfd-buildid), 1)
856    CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT
857  else
858    msg := $(warning Old version of libbfd/binutils things like PE executable profiling will not be available);
859  endif
860endif
861
862ifdef NO_DEMANGLE
863  CFLAGS += -DNO_DEMANGLE
864else
865  ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
866    EXTLIBS += -liberty
867  else
868    ifeq ($(filter -liberty,$(EXTLIBS)),)
869      $(call feature_check,cplus-demangle)
870
871      # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
872      # or any of 'bfd iberty z' trinity
873      ifeq ($(feature-cplus-demangle), 1)
874        EXTLIBS += -liberty
875      else
876        msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
877        CFLAGS += -DNO_DEMANGLE
878      endif
879    endif
880  endif
881
882  ifneq ($(filter -liberty,$(EXTLIBS)),)
883    CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
884  endif
885endif
886
887ifneq ($(filter -lbfd,$(EXTLIBS)),)
888  CFLAGS += -DHAVE_LIBBFD_SUPPORT
889endif
890
891ifndef NO_ZLIB
892  ifeq ($(feature-zlib), 1)
893    CFLAGS += -DHAVE_ZLIB_SUPPORT
894    EXTLIBS += -lz
895    $(call detected,CONFIG_ZLIB)
896  else
897    NO_ZLIB := 1
898  endif
899endif
900
901ifndef NO_LZMA
902  ifeq ($(feature-lzma), 1)
903    CFLAGS += -DHAVE_LZMA_SUPPORT
904    EXTLIBS += -llzma
905    $(call detected,CONFIG_LZMA)
906  else
907    msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
908    NO_LZMA := 1
909  endif
910endif
911
912ifndef NO_LIBZSTD
913  ifeq ($(feature-libzstd), 1)
914    CFLAGS += -DHAVE_ZSTD_SUPPORT
915    CFLAGS += $(LIBZSTD_CFLAGS)
916    LDFLAGS += $(LIBZSTD_LDFLAGS)
917    EXTLIBS += -lzstd
918    $(call detected,CONFIG_ZSTD)
919  else
920    msg := $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR);
921    NO_LIBZSTD := 1
922  endif
923endif
924
925ifndef NO_LIBCAP
926  ifeq ($(feature-libcap), 1)
927    CFLAGS += -DHAVE_LIBCAP_SUPPORT
928    EXTLIBS += -lcap
929    $(call detected,CONFIG_LIBCAP)
930  else
931    msg := $(warning No libcap found, disables capability support, please install libcap-devel/libcap-dev);
932    NO_LIBCAP := 1
933  endif
934endif
935
936ifndef NO_BACKTRACE
937  ifeq ($(feature-backtrace), 1)
938    CFLAGS += -DHAVE_BACKTRACE_SUPPORT
939  endif
940endif
941
942ifndef NO_LIBNUMA
943  ifeq ($(feature-libnuma), 0)
944    msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
945    NO_LIBNUMA := 1
946  else
947    ifeq ($(feature-numa_num_possible_cpus), 0)
948      msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
949      NO_LIBNUMA := 1
950    else
951      CFLAGS += -DHAVE_LIBNUMA_SUPPORT
952      EXTLIBS += -lnuma
953      $(call detected,CONFIG_NUMA)
954    endif
955  endif
956endif
957
958ifdef HAVE_KVM_STAT_SUPPORT
959    CFLAGS += -DHAVE_KVM_STAT_SUPPORT
960endif
961
962ifeq ($(feature-disassembler-four-args), 1)
963    CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
964endif
965
966ifeq (${IS_64_BIT}, 1)
967  ifndef NO_PERF_READ_VDSO32
968    $(call feature_check,compile-32)
969    ifeq ($(feature-compile-32), 1)
970      CFLAGS += -DHAVE_PERF_READ_VDSO32
971    else
972      NO_PERF_READ_VDSO32 := 1
973    endif
974  endif
975  ifneq ($(SRCARCH), x86)
976    NO_PERF_READ_VDSOX32 := 1
977  endif
978  ifndef NO_PERF_READ_VDSOX32
979    $(call feature_check,compile-x32)
980    ifeq ($(feature-compile-x32), 1)
981      CFLAGS += -DHAVE_PERF_READ_VDSOX32
982    else
983      NO_PERF_READ_VDSOX32 := 1
984    endif
985  endif
986else
987  NO_PERF_READ_VDSO32 := 1
988  NO_PERF_READ_VDSOX32 := 1
989endif
990
991ifndef NO_LIBBABELTRACE
992  $(call feature_check,libbabeltrace)
993  ifeq ($(feature-libbabeltrace), 1)
994    CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
995    LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
996    EXTLIBS += -lbabeltrace-ctf
997    $(call detected,CONFIG_LIBBABELTRACE)
998  else
999    msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
1000  endif
1001endif
1002
1003ifndef NO_AUXTRACE
1004  ifeq ($(SRCARCH),x86)
1005    ifeq ($(feature-get_cpuid), 0)
1006      msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
1007      NO_AUXTRACE := 1
1008    endif
1009  endif
1010  ifndef NO_AUXTRACE
1011    $(call detected,CONFIG_AUXTRACE)
1012    CFLAGS += -DHAVE_AUXTRACE_SUPPORT
1013    ifeq ($(feature-reallocarray), 0)
1014      CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
1015    endif
1016  endif
1017endif
1018
1019ifndef NO_JVMTI
1020  ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
1021    JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
1022  else
1023    ifneq (,$(wildcard /usr/sbin/alternatives))
1024      JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g')
1025    endif
1026  endif
1027  ifndef JDIR
1028    $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
1029    NO_JVMTI := 1
1030  endif
1031endif
1032
1033ifndef NO_JVMTI
1034  FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
1035  $(call feature_check,jvmti)
1036  ifeq ($(feature-jvmti), 1)
1037    $(call detected_var,JDIR)
1038    ifndef NO_JVMTI_CMLR
1039      FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti)
1040      $(call feature_check,jvmti-cmlr)
1041      ifeq ($(feature-jvmti-cmlr), 1)
1042        CFLAGS += -DHAVE_JVMTI_CMLR
1043      endif
1044    endif # NO_JVMTI_CMLR
1045  else
1046    $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel)
1047    NO_JVMTI := 1
1048  endif
1049endif
1050
1051USE_CXX = 0
1052USE_CLANGLLVM = 0
1053ifdef LIBCLANGLLVM
1054  $(call feature_check,cxx)
1055  ifneq ($(feature-cxx), 1)
1056    msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
1057  else
1058    $(call feature_check,llvm)
1059    $(call feature_check,llvm-version)
1060    ifneq ($(feature-llvm), 1)
1061      msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
1062    else
1063      $(call feature_check,clang)
1064      ifneq ($(feature-clang), 1)
1065        msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
1066      else
1067        CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
1068        CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
1069        $(call detected,CONFIG_CXX)
1070        $(call detected,CONFIG_CLANGLLVM)
1071	USE_CXX = 1
1072	USE_LLVM = 1
1073	USE_CLANG = 1
1074        ifneq ($(feature-llvm-version),1)
1075          msg := $(warning This version of LLVM is not tested. May cause build errors)
1076        endif
1077      endif
1078    endif
1079  endif
1080endif
1081
1082ifdef LIBPFM4
1083  $(call feature_check,libpfm4)
1084  ifeq ($(feature-libpfm4), 1)
1085    CFLAGS += -DHAVE_LIBPFM
1086    EXTLIBS += -lpfm
1087    ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1
1088    $(call detected,CONFIG_LIBPFM4)
1089  else
1090    msg := $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev);
1091    NO_LIBPFM4 := 1
1092  endif
1093endif
1094
1095ifdef LIBTRACEEVENT_DYNAMIC
1096  $(call feature_check,libtraceevent)
1097  ifeq ($(feature-libtraceevent), 1)
1098    EXTLIBS += -ltraceevent
1099    LIBTRACEEVENT_VERSION := $(shell $(PKG_CONFIG) --modversion libtraceevent)
1100    LIBTRACEEVENT_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEEVENT_VERSION)))
1101    LIBTRACEEVENT_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEEVENT_VERSION)))
1102    LIBTRACEEVENT_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEEVENT_VERSION)))
1103    LIBTRACEEVENT_VERSION_CPP := $(shell expr $(LIBTRACEEVENT_VERSION_1) \* 255 \* 255 + $(LIBTRACEEVENT_VERSION_2) \* 255 + $(LIBTRACEEVENT_VERSION_3))
1104    CFLAGS += -DLIBTRACEEVENT_VERSION=$(LIBTRACEEVENT_VERSION_CPP)
1105  else
1106    dummy := $(error Error: No libtraceevent devel library found, please install libtraceevent-devel);
1107  endif
1108endif
1109
1110ifdef LIBTRACEFS_DYNAMIC
1111  $(call feature_check,libtracefs)
1112  ifeq ($(feature-libtracefs), 1)
1113    EXTLIBS += -ltracefs
1114    LIBTRACEFS_VERSION := $(shell $(PKG_CONFIG) --modversion libtracefs)
1115    LIBTRACEFS_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEFS_VERSION)))
1116    LIBTRACEFS_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEFS_VERSION)))
1117    LIBTRACEFS_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEFS_VERSION)))
1118    LIBTRACEFS_VERSION_CPP := $(shell expr $(LIBTRACEFS_VERSION_1) \* 255 \* 255 + $(LIBTRACEFS_VERSION_2) \* 255 + $(LIBTRACEFS_VERSION_3))
1119    CFLAGS += -DLIBTRACEFS_VERSION=$(LIBTRACEFS_VERSION_CPP)
1120  else
1121    dummy := $(error Error: No libtracefs devel library found, please install libtracefs-dev);
1122  endif
1123endif
1124
1125# Among the variables below, these:
1126#   perfexecdir
1127#   perf_include_dir
1128#   perf_examples_dir
1129#   template_dir
1130#   mandir
1131#   infodir
1132#   htmldir
1133#   ETC_PERFCONFIG (but not sysconfdir)
1134# can be specified as a relative path some/where/else;
1135# this is interpreted as relative to $(prefix) and "perf" at
1136# runtime figures out where they are based on the path to the executable.
1137# This can help installing the suite in a relocatable way.
1138
1139# Make the path relative to DESTDIR, not to prefix
1140ifndef DESTDIR
1141prefix ?= $(HOME)
1142endif
1143bindir_relative = bin
1144bindir = $(abspath $(prefix)/$(bindir_relative))
1145includedir_relative = include
1146includedir = $(abspath $(prefix)/$(includedir_relative))
1147mandir = share/man
1148infodir = share/info
1149perfexecdir = libexec/perf-core
1150perf_include_dir = lib/perf/include
1151perf_examples_dir = lib/perf/examples
1152sharedir = $(prefix)/share
1153template_dir = share/perf-core/templates
1154STRACE_GROUPS_DIR = share/perf-core/strace/groups
1155htmldir = share/doc/perf-doc
1156tipdir = share/doc/perf-tip
1157srcdir = $(srctree)/tools/perf
1158ifeq ($(prefix),/usr)
1159sysconfdir = /etc
1160ETC_PERFCONFIG = $(sysconfdir)/perfconfig
1161else
1162sysconfdir = $(prefix)/etc
1163ETC_PERFCONFIG = etc/perfconfig
1164endif
1165ifndef lib
1166ifeq ($(SRCARCH)$(IS_64_BIT), x861)
1167lib = lib64
1168else
1169lib = lib
1170endif
1171endif # lib
1172libdir = $(prefix)/$(lib)
1173
1174# Shell quote (do not use $(call) to accommodate ancient setups);
1175ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
1176STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
1177DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
1178bindir_SQ = $(subst ','\'',$(bindir))
1179includedir_SQ = $(subst ','\'',$(includedir))
1180mandir_SQ = $(subst ','\'',$(mandir))
1181infodir_SQ = $(subst ','\'',$(infodir))
1182perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
1183perf_include_dir_SQ = $(subst ','\'',$(perf_include_dir))
1184perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir))
1185template_dir_SQ = $(subst ','\'',$(template_dir))
1186htmldir_SQ = $(subst ','\'',$(htmldir))
1187tipdir_SQ = $(subst ','\'',$(tipdir))
1188prefix_SQ = $(subst ','\'',$(prefix))
1189sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
1190libdir_SQ = $(subst ','\'',$(libdir))
1191srcdir_SQ = $(subst ','\'',$(srcdir))
1192
1193ifneq ($(filter /%,$(firstword $(perfexecdir))),)
1194perfexec_instdir = $(perfexecdir)
1195perf_include_instdir = $(perf_include_dir)
1196perf_examples_instdir = $(perf_examples_dir)
1197STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
1198tip_instdir = $(tipdir)
1199else
1200perfexec_instdir = $(prefix)/$(perfexecdir)
1201perf_include_instdir = $(prefix)/$(perf_include_dir)
1202perf_examples_instdir = $(prefix)/$(perf_examples_dir)
1203STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
1204tip_instdir = $(prefix)/$(tipdir)
1205endif
1206perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
1207perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir))
1208perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir))
1209STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
1210tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
1211
1212# If we install to $(HOME) we keep the traceevent default:
1213# $(HOME)/.traceevent/plugins
1214# Otherwise we install plugins into the global $(libdir).
1215ifdef DESTDIR
1216plugindir=$(libdir)/traceevent/plugins
1217plugindir_SQ= $(subst ','\'',$(plugindir))
1218endif
1219
1220print_var = $(eval $(print_var_code)) $(info $(MSG))
1221define print_var_code
1222    MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
1223endef
1224
1225ifeq ($(VF),1)
1226  # Display EXTRA features which are detected manualy
1227  # from here with feature_check call and thus cannot
1228  # be partof global state output.
1229  $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),))
1230  $(call print_var,prefix)
1231  $(call print_var,bindir)
1232  $(call print_var,libdir)
1233  $(call print_var,sysconfdir)
1234  $(call print_var,LIBUNWIND_DIR)
1235  $(call print_var,LIBDW_DIR)
1236  $(call print_var,JDIR)
1237
1238  ifeq ($(dwarf-post-unwind),1)
1239    $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
1240  endif
1241  $(info )
1242endif
1243
1244$(call detected_var,bindir_SQ)
1245$(call detected_var,PYTHON_WORD)
1246ifneq ($(OUTPUT),)
1247$(call detected_var,OUTPUT)
1248endif
1249$(call detected_var,htmldir_SQ)
1250$(call detected_var,infodir_SQ)
1251$(call detected_var,mandir_SQ)
1252$(call detected_var,ETC_PERFCONFIG_SQ)
1253$(call detected_var,STRACE_GROUPS_DIR_SQ)
1254$(call detected_var,prefix_SQ)
1255$(call detected_var,perfexecdir_SQ)
1256$(call detected_var,perf_include_dir_SQ)
1257$(call detected_var,perf_examples_dir_SQ)
1258$(call detected_var,tipdir_SQ)
1259$(call detected_var,srcdir_SQ)
1260$(call detected_var,LIBDIR)
1261$(call detected_var,GTK_CFLAGS)
1262$(call detected_var,PERL_EMBED_CCOPTS)
1263$(call detected_var,PYTHON_EMBED_CCOPTS)
1264ifneq ($(BISON_FILE_PREFIX_MAP),)
1265$(call detected_var,BISON_FILE_PREFIX_MAP)
1266endif
1267
1268# re-generate FEATURE-DUMP as we may have called feature_check, found out
1269# extra libraries to add to LDFLAGS of some other test and then redo those
1270# tests, see the block about libbfd, disassembler-four-args, for instance.
1271$(shell rm -f $(FEATURE_DUMP_FILENAME))
1272$(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME)))
1273
1274ifeq ($(feature_display),1)
1275  $(call feature_display_entries)
1276endif
1277