Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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