xref: /openbmc/linux/tools/perf/Makefile.config (revision 0f4b20ef) 
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)
275  ifeq ($(CC_NO_CLANG), 0)
276    PYTHON_EMBED_CCOPTS := $(filter-out -ffat-lto-objects, $(PYTHON_EMBED_CCOPTS))
277  endif
278endif
279
280FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
281FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
282
283FEATURE_CHECK_LDFLAGS-libaio = -lrt
284
285FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes -ldl
286
287CORE_CFLAGS += -fno-omit-frame-pointer
288CORE_CFLAGS += -ggdb3
289CORE_CFLAGS += -funwind-tables
290CORE_CFLAGS += -Wall
291CORE_CFLAGS += -Wextra
292CORE_CFLAGS += -std=gnu99
293
294CXXFLAGS += -std=gnu++14 -fno-exceptions -fno-rtti
295CXXFLAGS += -Wall
296CXXFLAGS += -fno-omit-frame-pointer
297CXXFLAGS += -ggdb3
298CXXFLAGS += -funwind-tables
299CXXFLAGS += -Wno-strict-aliasing
300
301HOSTCFLAGS += -Wall
302HOSTCFLAGS += -Wextra
303
304# Enforce a non-executable stack, as we may regress (again) in the future by
305# adding assembler files missing the .GNU-stack linker note.
306LDFLAGS += -Wl,-z,noexecstack
307
308EXTLIBS = -lpthread -lrt -lm -ldl
309
310ifneq ($(TCMALLOC),)
311  CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free
312  EXTLIBS += -ltcmalloc
313endif
314
315ifeq ($(FEATURES_DUMP),)
316# We will display at the end of this Makefile.config, using $(call feature_display_entries)
317# As we may retry some feature detection here, see the disassembler-four-args case, for instance
318  FEATURE_DISPLAY_DEFERRED := 1
319include $(srctree)/tools/build/Makefile.feature
320else
321include $(FEATURES_DUMP)
322endif
323
324ifeq ($(feature-stackprotector-all), 1)
325  CORE_CFLAGS += -fstack-protector-all
326endif
327
328ifeq ($(DEBUG),0)
329  ifeq ($(feature-fortify-source), 1)
330    CORE_CFLAGS += -D_FORTIFY_SOURCE=2
331  endif
332endif
333
334INC_FLAGS += -I$(srctree)/tools/lib/perf/include
335INC_FLAGS += -I$(src-perf)/util/include
336INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
337INC_FLAGS += -I$(srctree)/tools/include/
338INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
339INC_FLAGS += -I$(srctree)/tools/include/uapi
340INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
341INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
342
343# $(obj-perf)      for generated common-cmds.h
344# $(obj-perf)/util for generated bison/flex headers
345ifneq ($(OUTPUT),)
346INC_FLAGS += -I$(obj-perf)/util
347INC_FLAGS += -I$(obj-perf)
348endif
349
350INC_FLAGS += -I$(src-perf)/util
351INC_FLAGS += -I$(src-perf)
352INC_FLAGS += -I$(srctree)/tools/lib/
353
354CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
355
356CFLAGS   += $(CORE_CFLAGS) $(INC_FLAGS)
357CXXFLAGS += $(INC_FLAGS)
358
359LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS)
360
361ifeq ($(feature-pthread-attr-setaffinity-np), 1)
362  CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
363endif
364
365ifeq ($(feature-pthread-barrier), 1)
366  CFLAGS += -DHAVE_PTHREAD_BARRIER
367endif
368
369ifndef NO_BIONIC
370  $(call feature_check,bionic)
371  ifeq ($(feature-bionic), 1)
372    BIONIC := 1
373    CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE
374    CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE
375    EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
376    EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
377  endif
378endif
379
380ifeq ($(feature-eventfd), 1)
381  CFLAGS += -DHAVE_EVENTFD_SUPPORT
382endif
383
384ifeq ($(feature-get_current_dir_name), 1)
385  CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME
386endif
387
388ifeq ($(feature-gettid), 1)
389  CFLAGS += -DHAVE_GETTID
390endif
391
392ifeq ($(feature-file-handle), 1)
393  CFLAGS += -DHAVE_FILE_HANDLE
394endif
395
396ifdef NO_LIBELF
397  NO_DWARF := 1
398  NO_DEMANGLE := 1
399  NO_LIBUNWIND := 1
400  NO_LIBDW_DWARF_UNWIND := 1
401  NO_LIBBPF := 1
402  NO_JVMTI := 1
403else
404  ifeq ($(feature-libelf), 0)
405    ifeq ($(feature-glibc), 1)
406      LIBC_SUPPORT := 1
407    endif
408    ifeq ($(BIONIC),1)
409      LIBC_SUPPORT := 1
410    endif
411    ifeq ($(LIBC_SUPPORT),1)
412      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);
413
414      NO_LIBELF := 1
415      NO_DWARF := 1
416      NO_DEMANGLE := 1
417      NO_LIBUNWIND := 1
418      NO_LIBDW_DWARF_UNWIND := 1
419      NO_LIBBPF := 1
420      NO_JVMTI := 1
421    else
422      ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),)
423        ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0)
424          msg := $(error No libasan found, please install libasan);
425        endif
426      endif
427
428      ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),)
429        ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0)
430          msg := $(error No libubsan found, please install libubsan);
431        endif
432      endif
433
434      ifneq ($(filter s% -static%,$(LDFLAGS),),)
435        msg := $(error No static glibc found, please install glibc-static);
436      else
437        msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
438      endif
439    endif
440  else
441    ifndef NO_LIBDW_DWARF_UNWIND
442      ifneq ($(feature-libdw-dwarf-unwind),1)
443        NO_LIBDW_DWARF_UNWIND := 1
444        msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
445      endif
446    endif
447    ifneq ($(feature-dwarf), 1)
448      ifndef NO_DWARF
449        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);
450        NO_DWARF := 1
451      endif
452    else
453      ifneq ($(feature-dwarf_getlocations), 1)
454        msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
455      else
456        CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT
457      endif # dwarf_getlocations
458    endif # Dwarf support
459  endif # libelf support
460endif # NO_LIBELF
461
462ifeq ($(feature-glibc), 1)
463  CFLAGS += -DHAVE_GLIBC_SUPPORT
464endif
465
466ifeq ($(feature-libaio), 1)
467  ifndef NO_AIO
468    CFLAGS += -DHAVE_AIO_SUPPORT
469  endif
470endif
471
472ifdef NO_DWARF
473  NO_LIBDW_DWARF_UNWIND := 1
474endif
475
476ifeq ($(feature-sched_getcpu), 1)
477  CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
478endif
479
480ifeq ($(feature-setns), 1)
481  CFLAGS += -DHAVE_SETNS_SUPPORT
482  $(call detected,CONFIG_SETNS)
483endif
484
485ifdef CORESIGHT
486  $(call feature_check,libopencsd)
487  ifeq ($(feature-libopencsd), 1)
488    CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
489    ifeq ($(feature-reallocarray), 0)
490      CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
491    endif
492    LDFLAGS += $(LIBOPENCSD_LDFLAGS)
493    EXTLIBS += $(OPENCSDLIBS)
494    $(call detected,CONFIG_LIBOPENCSD)
495    ifdef CSTRACE_RAW
496      CFLAGS += -DCS_DEBUG_RAW
497      ifeq (${CSTRACE_RAW}, packed)
498        CFLAGS += -DCS_RAW_PACKED
499      endif
500    endif
501  else
502    dummy := $(error Error: No libopencsd library found or the version is not up-to-date. Please install recent libopencsd to build with CORESIGHT=1)
503  endif
504endif
505
506ifndef NO_LIBELF
507  CFLAGS += -DHAVE_LIBELF_SUPPORT
508  EXTLIBS += -lelf
509  $(call detected,CONFIG_LIBELF)
510
511  ifeq ($(feature-libelf-getphdrnum), 1)
512    CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
513  endif
514
515  ifeq ($(feature-libelf-gelf_getnote), 1)
516    CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
517  else
518    msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
519  endif
520
521  ifeq ($(feature-libelf-getshdrstrndx), 1)
522    CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
523  endif
524
525  ifndef NO_LIBDEBUGINFOD
526    $(call feature_check,libdebuginfod)
527    ifeq ($(feature-libdebuginfod), 1)
528      CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT
529      EXTLIBS += -ldebuginfod
530    endif
531  endif
532
533  ifndef NO_DWARF
534    ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
535      msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
536      NO_DWARF := 1
537    else
538      CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
539      LDFLAGS += $(LIBDW_LDFLAGS)
540      EXTLIBS += ${DWARFLIBS}
541      $(call detected,CONFIG_DWARF)
542    endif # PERF_HAVE_DWARF_REGS
543  endif # NO_DWARF
544
545  ifndef NO_LIBBPF
546    ifeq ($(feature-bpf), 1)
547      CFLAGS += -DHAVE_LIBBPF_SUPPORT
548      $(call detected,CONFIG_LIBBPF)
549
550      # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status
551      $(call feature_check,libbpf)
552      ifdef LIBBPF_DYNAMIC
553        ifeq ($(feature-libbpf), 1)
554          EXTLIBS += -lbpf
555          $(call detected,CONFIG_LIBBPF_DYNAMIC)
556        else
557          dummy := $(error Error: No libbpf devel library found, please install libbpf-devel);
558        endif
559      endif
560    endif
561
562    ifndef NO_DWARF
563      ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
564        CFLAGS += -DHAVE_BPF_PROLOGUE
565        $(call detected,CONFIG_BPF_PROLOGUE)
566      else
567        msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset());
568      endif
569    else
570      msg := $(warning DWARF support is off, BPF prologue is disabled);
571    endif
572
573  endif # NO_LIBBPF
574endif # NO_LIBELF
575
576ifndef NO_SDT
577  ifneq ($(feature-sdt), 1)
578    msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
579    NO_SDT := 1;
580  else
581    CFLAGS += -DHAVE_SDT_EVENT
582    $(call detected,CONFIG_SDT_EVENT)
583  endif
584endif
585
586ifdef PERF_HAVE_JITDUMP
587  ifndef NO_LIBELF
588    $(call detected,CONFIG_JITDUMP)
589    CFLAGS += -DHAVE_JITDUMP
590  endif
591endif
592
593ifeq ($(SRCARCH),powerpc)
594  ifndef NO_DWARF
595    CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
596  endif
597endif
598
599ifndef NO_LIBUNWIND
600  have_libunwind :=
601
602  $(call feature_check,libunwind-x86)
603  ifeq ($(feature-libunwind-x86), 1)
604    $(call detected,CONFIG_LIBUNWIND_X86)
605    CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
606    LDFLAGS += -lunwind-x86
607    EXTLIBS_LIBUNWIND += -lunwind-x86
608    have_libunwind = 1
609  endif
610
611  $(call feature_check,libunwind-aarch64)
612  ifeq ($(feature-libunwind-aarch64), 1)
613    $(call detected,CONFIG_LIBUNWIND_AARCH64)
614    CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
615    LDFLAGS += -lunwind-aarch64
616    EXTLIBS_LIBUNWIND += -lunwind-aarch64
617    have_libunwind = 1
618    $(call feature_check,libunwind-debug-frame-aarch64)
619    ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
620      msg := $(warning No debug_frame support found in libunwind-aarch64);
621      CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
622    endif
623  endif
624
625  ifneq ($(feature-libunwind), 1)
626    msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
627    NO_LOCAL_LIBUNWIND := 1
628  else
629    have_libunwind := 1
630    $(call detected,CONFIG_LOCAL_LIBUNWIND)
631  endif
632
633  ifneq ($(have_libunwind), 1)
634    NO_LIBUNWIND := 1
635  endif
636else
637  NO_LOCAL_LIBUNWIND := 1
638endif
639
640ifndef NO_LIBBPF
641  ifneq ($(feature-bpf), 1)
642    msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
643    NO_LIBBPF := 1
644  endif
645endif
646
647ifdef BUILD_BPF_SKEL
648  $(call feature_check,clang-bpf-co-re)
649  ifeq ($(feature-clang-bpf-co-re), 0)
650    dummy := $(error Error: clang too old/not installed. Please install recent clang to build with BUILD_BPF_SKEL)
651  endif
652  $(call detected,CONFIG_PERF_BPF_SKEL)
653  CFLAGS += -DHAVE_BPF_SKEL
654endif
655
656dwarf-post-unwind := 1
657dwarf-post-unwind-text := BUG
658
659# setup DWARF post unwinder
660ifdef NO_LIBUNWIND
661  ifdef NO_LIBDW_DWARF_UNWIND
662    msg := $(warning Disabling post unwind, no support found.);
663    dwarf-post-unwind := 0
664  else
665    dwarf-post-unwind-text := libdw
666    $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
667  endif
668else
669  dwarf-post-unwind-text := libunwind
670  $(call detected,CONFIG_LIBUNWIND)
671  # Enable libunwind support by default.
672  ifndef NO_LIBDW_DWARF_UNWIND
673    NO_LIBDW_DWARF_UNWIND := 1
674  endif
675endif
676
677ifeq ($(dwarf-post-unwind),1)
678  CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
679  $(call detected,CONFIG_DWARF_UNWIND)
680else
681  NO_DWARF_UNWIND := 1
682endif
683
684ifndef NO_LOCAL_LIBUNWIND
685  ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
686    $(call feature_check,libunwind-debug-frame)
687    ifneq ($(feature-libunwind-debug-frame), 1)
688      msg := $(warning No debug_frame support found in libunwind);
689      CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
690    endif
691  else
692    # non-ARM has no dwarf_find_debug_frame() function:
693    CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
694  endif
695  EXTLIBS += $(LIBUNWIND_LIBS)
696  LDFLAGS += $(LIBUNWIND_LIBS)
697endif
698ifeq ($(findstring -static,${LDFLAGS}),-static)
699  # gcc -static links libgcc_eh which contans piece of libunwind
700  LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
701endif
702
703ifndef NO_LIBUNWIND
704  CFLAGS  += -DHAVE_LIBUNWIND_SUPPORT
705  CFLAGS  += $(LIBUNWIND_CFLAGS)
706  LDFLAGS += $(LIBUNWIND_LDFLAGS)
707  EXTLIBS += $(EXTLIBS_LIBUNWIND)
708endif
709
710ifeq ($(NO_SYSCALL_TABLE),0)
711  $(call detected,CONFIG_TRACE)
712else
713  ifndef NO_LIBAUDIT
714    $(call feature_check,libaudit)
715    ifneq ($(feature-libaudit), 1)
716      msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
717      NO_LIBAUDIT := 1
718    else
719      CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
720      EXTLIBS += -laudit
721      $(call detected,CONFIG_TRACE)
722    endif
723  endif
724endif
725
726ifndef NO_LIBCRYPTO
727  ifneq ($(feature-libcrypto), 1)
728    msg := $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev);
729    NO_LIBCRYPTO := 1
730  else
731    CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
732    EXTLIBS += -lcrypto
733    $(call detected,CONFIG_CRYPTO)
734  endif
735endif
736
737ifdef NO_NEWT
738  NO_SLANG=1
739endif
740
741ifndef NO_SLANG
742  ifneq ($(feature-libslang), 1)
743    ifneq ($(feature-libslang-include-subdir), 1)
744      msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
745      NO_SLANG := 1
746    else
747      CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR
748    endif
749  endif
750  ifndef NO_SLANG
751    # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
752    CFLAGS += -DHAVE_SLANG_SUPPORT
753    EXTLIBS += -lslang
754    $(call detected,CONFIG_SLANG)
755  endif
756endif
757
758ifdef GTK2
759  FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
760  $(call feature_check,gtk2)
761  ifneq ($(feature-gtk2), 1)
762    msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
763    NO_GTK2 := 1
764  else
765    $(call feature_check,gtk2-infobar)
766    ifeq ($(feature-gtk2-infobar), 1)
767      GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
768    endif
769    CFLAGS += -DHAVE_GTK2_SUPPORT
770    GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
771    GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
772    EXTLIBS += -ldl
773  endif
774endif
775
776ifdef NO_LIBPERL
777  CFLAGS += -DNO_LIBPERL
778else
779  PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
780  PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
781  PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
782  PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
783  PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
784  PERL_EMBED_CCOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(PERL_EMBED_CCOPTS))
785  PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
786  FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
787
788  ifneq ($(feature-libperl), 1)
789    CFLAGS += -DNO_LIBPERL
790    NO_LIBPERL := 1
791    msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
792  else
793    LDFLAGS += $(PERL_EMBED_LDFLAGS)
794    EXTLIBS += $(PERL_EMBED_LIBADD)
795    CFLAGS += -DHAVE_LIBPERL_SUPPORT
796    ifeq ($(CC_NO_CLANG), 0)
797      CFLAGS += -Wno-compound-token-split-by-macro
798    endif
799    $(call detected,CONFIG_LIBPERL)
800  endif
801endif
802
803ifeq ($(feature-timerfd), 1)
804  CFLAGS += -DHAVE_TIMERFD_SUPPORT
805else
806  msg := $(warning No timerfd support. Disables 'perf kvm stat live');
807endif
808
809disable-python = $(eval $(disable-python_code))
810define disable-python_code
811  CFLAGS += -DNO_LIBPYTHON
812  $(warning $1)
813  NO_LIBPYTHON := 1
814endef
815
816ifdef NO_LIBPYTHON
817  $(call disable-python,Python support disabled by user)
818else
819
820  ifndef PYTHON
821    $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
822  else
823    PYTHON_WORD := $(call shell-wordify,$(PYTHON))
824
825    ifndef PYTHON_CONFIG
826      $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
827    else
828
829      ifneq ($(feature-libpython), 1)
830        $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
831      else
832         LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
833         EXTLIBS += $(PYTHON_EMBED_LIBADD)
834         LANG_BINDINGS += $(obj-perf)python/perf.so
835         CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
836         $(call detected,CONFIG_LIBPYTHON)
837      endif
838    endif
839  endif
840endif
841
842
843ifndef NO_LIBBFD
844  ifeq ($(feature-libbfd), 1)
845    EXTLIBS += -lbfd -lopcodes
846  else
847    # we are on a system that requires -liberty and (maybe) -lz
848    # to link against -lbfd; test each case individually here
849
850    # call all detections now so we get correct
851    # status in VF output
852    $(call feature_check,libbfd-liberty)
853    $(call feature_check,libbfd-liberty-z)
854
855    ifeq ($(feature-libbfd-liberty), 1)
856      EXTLIBS += -lbfd -lopcodes -liberty
857      FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl
858    else
859      ifeq ($(feature-libbfd-liberty-z), 1)
860        EXTLIBS += -lbfd -lopcodes -liberty -lz
861        FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl
862      endif
863    endif
864    $(call feature_check,disassembler-four-args)
865  endif
866
867  ifeq ($(feature-libbfd-buildid), 1)
868    CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT
869  else
870    msg := $(warning Old version of libbfd/binutils things like PE executable profiling will not be available);
871  endif
872endif
873
874ifdef NO_DEMANGLE
875  CFLAGS += -DNO_DEMANGLE
876else
877  ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
878    EXTLIBS += -liberty
879  else
880    ifeq ($(filter -liberty,$(EXTLIBS)),)
881      $(call feature_check,cplus-demangle)
882
883      # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
884      # or any of 'bfd iberty z' trinity
885      ifeq ($(feature-cplus-demangle), 1)
886        EXTLIBS += -liberty
887      else
888        msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
889        CFLAGS += -DNO_DEMANGLE
890      endif
891    endif
892  endif
893
894  ifneq ($(filter -liberty,$(EXTLIBS)),)
895    CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
896  endif
897endif
898
899ifneq ($(filter -lbfd,$(EXTLIBS)),)
900  CFLAGS += -DHAVE_LIBBFD_SUPPORT
901endif
902
903ifndef NO_ZLIB
904  ifeq ($(feature-zlib), 1)
905    CFLAGS += -DHAVE_ZLIB_SUPPORT
906    EXTLIBS += -lz
907    $(call detected,CONFIG_ZLIB)
908  else
909    NO_ZLIB := 1
910  endif
911endif
912
913ifndef NO_LZMA
914  ifeq ($(feature-lzma), 1)
915    CFLAGS += -DHAVE_LZMA_SUPPORT
916    EXTLIBS += -llzma
917    $(call detected,CONFIG_LZMA)
918  else
919    msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
920    NO_LZMA := 1
921  endif
922endif
923
924ifndef NO_LIBZSTD
925  ifeq ($(feature-libzstd), 1)
926    CFLAGS += -DHAVE_ZSTD_SUPPORT
927    CFLAGS += $(LIBZSTD_CFLAGS)
928    LDFLAGS += $(LIBZSTD_LDFLAGS)
929    EXTLIBS += -lzstd
930    $(call detected,CONFIG_ZSTD)
931  else
932    msg := $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR);
933    NO_LIBZSTD := 1
934  endif
935endif
936
937ifndef NO_LIBCAP
938  ifeq ($(feature-libcap), 1)
939    CFLAGS += -DHAVE_LIBCAP_SUPPORT
940    EXTLIBS += -lcap
941    $(call detected,CONFIG_LIBCAP)
942  else
943    msg := $(warning No libcap found, disables capability support, please install libcap-devel/libcap-dev);
944    NO_LIBCAP := 1
945  endif
946endif
947
948ifndef NO_BACKTRACE
949  ifeq ($(feature-backtrace), 1)
950    CFLAGS += -DHAVE_BACKTRACE_SUPPORT
951  endif
952endif
953
954ifndef NO_LIBNUMA
955  ifeq ($(feature-libnuma), 0)
956    msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
957    NO_LIBNUMA := 1
958  else
959    ifeq ($(feature-numa_num_possible_cpus), 0)
960      msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
961      NO_LIBNUMA := 1
962    else
963      CFLAGS += -DHAVE_LIBNUMA_SUPPORT
964      EXTLIBS += -lnuma
965      $(call detected,CONFIG_NUMA)
966    endif
967  endif
968endif
969
970ifdef HAVE_KVM_STAT_SUPPORT
971    CFLAGS += -DHAVE_KVM_STAT_SUPPORT
972endif
973
974ifeq ($(feature-disassembler-four-args), 1)
975    CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
976endif
977
978ifeq (${IS_64_BIT}, 1)
979  ifndef NO_PERF_READ_VDSO32
980    $(call feature_check,compile-32)
981    ifeq ($(feature-compile-32), 1)
982      CFLAGS += -DHAVE_PERF_READ_VDSO32
983    else
984      NO_PERF_READ_VDSO32 := 1
985    endif
986  endif
987  ifneq ($(SRCARCH), x86)
988    NO_PERF_READ_VDSOX32 := 1
989  endif
990  ifndef NO_PERF_READ_VDSOX32
991    $(call feature_check,compile-x32)
992    ifeq ($(feature-compile-x32), 1)
993      CFLAGS += -DHAVE_PERF_READ_VDSOX32
994    else
995      NO_PERF_READ_VDSOX32 := 1
996    endif
997  endif
998else
999  NO_PERF_READ_VDSO32 := 1
1000  NO_PERF_READ_VDSOX32 := 1
1001endif
1002
1003ifndef NO_LIBBABELTRACE
1004  $(call feature_check,libbabeltrace)
1005  ifeq ($(feature-libbabeltrace), 1)
1006    CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
1007    LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
1008    EXTLIBS += -lbabeltrace-ctf
1009    $(call detected,CONFIG_LIBBABELTRACE)
1010  else
1011    msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
1012  endif
1013endif
1014
1015ifndef NO_AUXTRACE
1016  ifeq ($(SRCARCH),x86)
1017    ifeq ($(feature-get_cpuid), 0)
1018      msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
1019      NO_AUXTRACE := 1
1020    endif
1021  endif
1022  ifndef NO_AUXTRACE
1023    $(call detected,CONFIG_AUXTRACE)
1024    CFLAGS += -DHAVE_AUXTRACE_SUPPORT
1025    ifeq ($(feature-reallocarray), 0)
1026      CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
1027    endif
1028  endif
1029endif
1030
1031ifndef NO_JVMTI
1032  ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
1033    JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
1034  else
1035    ifneq (,$(wildcard /usr/sbin/alternatives))
1036      JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g')
1037    endif
1038  endif
1039  ifndef JDIR
1040    $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
1041    NO_JVMTI := 1
1042  endif
1043endif
1044
1045ifndef NO_JVMTI
1046  FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
1047  $(call feature_check,jvmti)
1048  ifeq ($(feature-jvmti), 1)
1049    $(call detected_var,JDIR)
1050    ifndef NO_JVMTI_CMLR
1051      FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti)
1052      $(call feature_check,jvmti-cmlr)
1053      ifeq ($(feature-jvmti-cmlr), 1)
1054        CFLAGS += -DHAVE_JVMTI_CMLR
1055      endif
1056    endif # NO_JVMTI_CMLR
1057  else
1058    $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel)
1059    NO_JVMTI := 1
1060  endif
1061endif
1062
1063USE_CXX = 0
1064USE_CLANGLLVM = 0
1065ifdef LIBCLANGLLVM
1066  $(call feature_check,cxx)
1067  ifneq ($(feature-cxx), 1)
1068    msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
1069  else
1070    $(call feature_check,llvm)
1071    $(call feature_check,llvm-version)
1072    ifneq ($(feature-llvm), 1)
1073      msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
1074    else
1075      $(call feature_check,clang)
1076      ifneq ($(feature-clang), 1)
1077        msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
1078      else
1079        CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
1080        CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
1081        $(call detected,CONFIG_CXX)
1082        $(call detected,CONFIG_CLANGLLVM)
1083	USE_CXX = 1
1084	USE_LLVM = 1
1085	USE_CLANG = 1
1086        ifneq ($(feature-llvm-version),1)
1087          msg := $(warning This version of LLVM is not tested. May cause build errors)
1088        endif
1089      endif
1090    endif
1091  endif
1092endif
1093
1094ifdef LIBPFM4
1095  $(call feature_check,libpfm4)
1096  ifeq ($(feature-libpfm4), 1)
1097    CFLAGS += -DHAVE_LIBPFM
1098    EXTLIBS += -lpfm
1099    ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1
1100    $(call detected,CONFIG_LIBPFM4)
1101  else
1102    msg := $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev);
1103    NO_LIBPFM4 := 1
1104  endif
1105endif
1106
1107ifdef LIBTRACEEVENT_DYNAMIC
1108  $(call feature_check,libtraceevent)
1109  ifeq ($(feature-libtraceevent), 1)
1110    EXTLIBS += -ltraceevent
1111    LIBTRACEEVENT_VERSION := $(shell $(PKG_CONFIG) --modversion libtraceevent)
1112    LIBTRACEEVENT_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEEVENT_VERSION)))
1113    LIBTRACEEVENT_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEEVENT_VERSION)))
1114    LIBTRACEEVENT_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEEVENT_VERSION)))
1115    LIBTRACEEVENT_VERSION_CPP := $(shell expr $(LIBTRACEEVENT_VERSION_1) \* 255 \* 255 + $(LIBTRACEEVENT_VERSION_2) \* 255 + $(LIBTRACEEVENT_VERSION_3))
1116    CFLAGS += -DLIBTRACEEVENT_VERSION=$(LIBTRACEEVENT_VERSION_CPP)
1117  else
1118    dummy := $(error Error: No libtraceevent devel library found, please install libtraceevent-devel);
1119  endif
1120endif
1121
1122ifdef LIBTRACEFS_DYNAMIC
1123  $(call feature_check,libtracefs)
1124  ifeq ($(feature-libtracefs), 1)
1125    EXTLIBS += -ltracefs
1126    LIBTRACEFS_VERSION := $(shell $(PKG_CONFIG) --modversion libtracefs)
1127    LIBTRACEFS_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEFS_VERSION)))
1128    LIBTRACEFS_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEFS_VERSION)))
1129    LIBTRACEFS_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEFS_VERSION)))
1130    LIBTRACEFS_VERSION_CPP := $(shell expr $(LIBTRACEFS_VERSION_1) \* 255 \* 255 + $(LIBTRACEFS_VERSION_2) \* 255 + $(LIBTRACEFS_VERSION_3))
1131    CFLAGS += -DLIBTRACEFS_VERSION=$(LIBTRACEFS_VERSION_CPP)
1132  else
1133    dummy := $(error Error: No libtracefs devel library found, please install libtracefs-dev);
1134  endif
1135endif
1136
1137# Among the variables below, these:
1138#   perfexecdir
1139#   perf_include_dir
1140#   perf_examples_dir
1141#   template_dir
1142#   mandir
1143#   infodir
1144#   htmldir
1145#   ETC_PERFCONFIG (but not sysconfdir)
1146# can be specified as a relative path some/where/else;
1147# this is interpreted as relative to $(prefix) and "perf" at
1148# runtime figures out where they are based on the path to the executable.
1149# This can help installing the suite in a relocatable way.
1150
1151# Make the path relative to DESTDIR, not to prefix
1152ifndef DESTDIR
1153prefix ?= $(HOME)
1154endif
1155bindir_relative = bin
1156bindir = $(abspath $(prefix)/$(bindir_relative))
1157includedir_relative = include
1158includedir = $(abspath $(prefix)/$(includedir_relative))
1159mandir = share/man
1160infodir = share/info
1161perfexecdir = libexec/perf-core
1162perf_include_dir = lib/perf/include
1163perf_examples_dir = lib/perf/examples
1164sharedir = $(prefix)/share
1165template_dir = share/perf-core/templates
1166STRACE_GROUPS_DIR = share/perf-core/strace/groups
1167htmldir = share/doc/perf-doc
1168tipdir = share/doc/perf-tip
1169srcdir = $(srctree)/tools/perf
1170ifeq ($(prefix),/usr)
1171sysconfdir = /etc
1172ETC_PERFCONFIG = $(sysconfdir)/perfconfig
1173else
1174sysconfdir = $(prefix)/etc
1175ETC_PERFCONFIG = etc/perfconfig
1176endif
1177ifndef lib
1178ifeq ($(SRCARCH)$(IS_64_BIT), x861)
1179lib = lib64
1180else
1181lib = lib
1182endif
1183endif # lib
1184libdir = $(prefix)/$(lib)
1185
1186# Shell quote (do not use $(call) to accommodate ancient setups);
1187ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
1188STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
1189DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
1190bindir_SQ = $(subst ','\'',$(bindir))
1191includedir_SQ = $(subst ','\'',$(includedir))
1192mandir_SQ = $(subst ','\'',$(mandir))
1193infodir_SQ = $(subst ','\'',$(infodir))
1194perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
1195perf_include_dir_SQ = $(subst ','\'',$(perf_include_dir))
1196perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir))
1197template_dir_SQ = $(subst ','\'',$(template_dir))
1198htmldir_SQ = $(subst ','\'',$(htmldir))
1199tipdir_SQ = $(subst ','\'',$(tipdir))
1200prefix_SQ = $(subst ','\'',$(prefix))
1201sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
1202libdir_SQ = $(subst ','\'',$(libdir))
1203srcdir_SQ = $(subst ','\'',$(srcdir))
1204
1205ifneq ($(filter /%,$(firstword $(perfexecdir))),)
1206perfexec_instdir = $(perfexecdir)
1207perf_include_instdir = $(perf_include_dir)
1208perf_examples_instdir = $(perf_examples_dir)
1209STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
1210tip_instdir = $(tipdir)
1211else
1212perfexec_instdir = $(prefix)/$(perfexecdir)
1213perf_include_instdir = $(prefix)/$(perf_include_dir)
1214perf_examples_instdir = $(prefix)/$(perf_examples_dir)
1215STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
1216tip_instdir = $(prefix)/$(tipdir)
1217endif
1218perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
1219perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir))
1220perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir))
1221STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
1222tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
1223
1224# If we install to $(HOME) we keep the traceevent default:
1225# $(HOME)/.traceevent/plugins
1226# Otherwise we install plugins into the global $(libdir).
1227ifdef DESTDIR
1228plugindir=$(libdir)/traceevent/plugins
1229plugindir_SQ= $(subst ','\'',$(plugindir))
1230endif
1231
1232print_var = $(eval $(print_var_code)) $(info $(MSG))
1233define print_var_code
1234    MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
1235endef
1236
1237ifeq ($(VF),1)
1238  # Display EXTRA features which are detected manualy
1239  # from here with feature_check call and thus cannot
1240  # be partof global state output.
1241  $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),))
1242  $(call print_var,prefix)
1243  $(call print_var,bindir)
1244  $(call print_var,libdir)
1245  $(call print_var,sysconfdir)
1246  $(call print_var,LIBUNWIND_DIR)
1247  $(call print_var,LIBDW_DIR)
1248  $(call print_var,JDIR)
1249
1250  ifeq ($(dwarf-post-unwind),1)
1251    $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
1252  endif
1253  $(info )
1254endif
1255
1256$(call detected_var,bindir_SQ)
1257$(call detected_var,PYTHON_WORD)
1258ifneq ($(OUTPUT),)
1259$(call detected_var,OUTPUT)
1260endif
1261$(call detected_var,htmldir_SQ)
1262$(call detected_var,infodir_SQ)
1263$(call detected_var,mandir_SQ)
1264$(call detected_var,ETC_PERFCONFIG_SQ)
1265$(call detected_var,STRACE_GROUPS_DIR_SQ)
1266$(call detected_var,prefix_SQ)
1267$(call detected_var,perfexecdir_SQ)
1268$(call detected_var,perf_include_dir_SQ)
1269$(call detected_var,perf_examples_dir_SQ)
1270$(call detected_var,tipdir_SQ)
1271$(call detected_var,srcdir_SQ)
1272$(call detected_var,LIBDIR)
1273$(call detected_var,GTK_CFLAGS)
1274$(call detected_var,PERL_EMBED_CCOPTS)
1275$(call detected_var,PYTHON_EMBED_CCOPTS)
1276ifneq ($(BISON_FILE_PREFIX_MAP),)
1277$(call detected_var,BISON_FILE_PREFIX_MAP)
1278endif
1279
1280# re-generate FEATURE-DUMP as we may have called feature_check, found out
1281# extra libraries to add to LDFLAGS of some other test and then redo those
1282# tests, see the block about libbfd, disassembler-four-args, for instance.
1283$(shell rm -f $(FEATURE_DUMP_FILENAME))
1284$(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME)))
1285
1286ifeq ($(feature_display),1)
1287  $(call feature_display_entries)
1288endif
1289