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][3]-config in weird combinations in the following order of
243# priority from lowest to highest:
244# * python2-config as per pep-0394.
245# * python-config
246# * python3-config
247# * $(PYTHON)-config (If PYTHON is user supplied but PYTHON_CONFIG isn't)
248#
249PYTHON_AUTO := python-config
250PYTHON_AUTO := $(if $(call get-executable,python2-config),python2-config,$(PYTHON_AUTO))
251PYTHON_AUTO := $(if $(call get-executable,python-config),python-config,$(PYTHON_AUTO))
252PYTHON_AUTO := $(if $(call get-executable,python3-config),python3-config,$(PYTHON_AUTO))
253
254# If PYTHON is defined but PYTHON_CONFIG isn't, then take $(PYTHON)-config as if it was the user
255# supplied value for PYTHON_CONFIG. Because it's "user supplied", error out if it doesn't exist.
256ifdef PYTHON
257 ifndef PYTHON_CONFIG
258 PYTHON_CONFIG_AUTO := $(call get-executable,$(PYTHON)-config)
259 PYTHON_CONFIG := $(if $(PYTHON_CONFIG_AUTO),$(PYTHON_CONFIG_AUTO),\
260 $(call $(error $(PYTHON)-config not found)))
261 endif
262endif
263
264# Select either auto detected python and python-config or use user supplied values if they are
265# defined. get-executable-or-default fails with an error if the first argument is supplied but
266# doesn't exist.
267override PYTHON_CONFIG := $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON_AUTO))
268override PYTHON := $(call get-executable-or-default,PYTHON,$(subst -config,,$(PYTHON_CONFIG)))
269
270grep-libs = $(filter -l%,$(1))
271strip-libs = $(filter-out -l%,$(1))
272
273PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
274
275# Python 3.8 changed the output of `python-config --ldflags` to not include the
276# '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for
277# libpython fails if that flag is not included in LDFLAGS
278ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0)
279 PYTHON_CONFIG_LDFLAGS := --ldflags --embed
280else
281 PYTHON_CONFIG_LDFLAGS := --ldflags
282endif
283
284ifdef PYTHON_CONFIG
285 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) $(PYTHON_CONFIG_LDFLAGS) 2>/dev/null)
286 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
287 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
288 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null)
289 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
290 ifeq ($(CC_NO_CLANG), 0)
291 PYTHON_EMBED_CCOPTS := $(filter-out -ffat-lto-objects, $(PYTHON_EMBED_CCOPTS))
292 endif
293endif
294
295FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
296FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
297
298FEATURE_CHECK_LDFLAGS-libaio = -lrt
299
300CORE_CFLAGS += -fno-omit-frame-pointer
301CORE_CFLAGS += -ggdb3
302CORE_CFLAGS += -funwind-tables
303CORE_CFLAGS += -Wall
304CORE_CFLAGS += -Wextra
305CORE_CFLAGS += -std=gnu99
306
307CXXFLAGS += -std=gnu++14 -fno-exceptions -fno-rtti
308CXXFLAGS += -Wall
309CXXFLAGS += -fno-omit-frame-pointer
310CXXFLAGS += -ggdb3
311CXXFLAGS += -funwind-tables
312CXXFLAGS += -Wno-strict-aliasing
313
314HOSTCFLAGS += -Wall
315HOSTCFLAGS += -Wextra
316
317# Enforce a non-executable stack, as we may regress (again) in the future by
318# adding assembler files missing the .GNU-stack linker note.
319LDFLAGS += -Wl,-z,noexecstack
320
321EXTLIBS = -lpthread -lrt -lm -ldl
322
323ifneq ($(TCMALLOC),)
324 CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free
325 EXTLIBS += -ltcmalloc
326endif
327
328ifeq ($(FEATURES_DUMP),)
329# We will display at the end of this Makefile.config, using $(call feature_display_entries),
330# as we may retry some feature detection here.
331 FEATURE_DISPLAY_DEFERRED := 1
332include $(srctree)/tools/build/Makefile.feature
333else
334include $(FEATURES_DUMP)
335endif
336
337ifeq ($(feature-stackprotector-all), 1)
338 CORE_CFLAGS += -fstack-protector-all
339endif
340
341ifeq ($(DEBUG),0)
342 ifeq ($(feature-fortify-source), 1)
343 CORE_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
344 endif
345endif
346
347INC_FLAGS += -I$(srctree)/tools/lib/perf/include
348INC_FLAGS += -I$(src-perf)/util/include
349INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
350INC_FLAGS += -I$(srctree)/tools/include/
351INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
352INC_FLAGS += -I$(srctree)/tools/include/uapi
353INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
354INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
355
356# $(obj-perf) for generated common-cmds.h
357# $(obj-perf)/util for generated bison/flex headers
358ifneq ($(OUTPUT),)
359INC_FLAGS += -I$(obj-perf)/util
360INC_FLAGS += -I$(obj-perf)
361endif
362
363INC_FLAGS += -I$(src-perf)/util
364INC_FLAGS += -I$(src-perf)
365INC_FLAGS += -I$(srctree)/tools/lib/
366
367CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
368
369CFLAGS += $(CORE_CFLAGS) $(INC_FLAGS)
370CXXFLAGS += $(INC_FLAGS)
371
372LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS)
373
374ifeq ($(feature-pthread-attr-setaffinity-np), 1)
375 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
376endif
377
378ifeq ($(feature-pthread-barrier), 1)
379 CFLAGS += -DHAVE_PTHREAD_BARRIER
380endif
381
382ifndef NO_BIONIC
383 $(call feature_check,bionic)
384 ifeq ($(feature-bionic), 1)
385 BIONIC := 1
386 CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE
387 CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE
388 EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
389 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
390 endif
391endif
392
393ifeq ($(feature-eventfd), 1)
394 CFLAGS += -DHAVE_EVENTFD_SUPPORT
395endif
396
397ifeq ($(feature-get_current_dir_name), 1)
398 CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME
399endif
400
401ifeq ($(feature-gettid), 1)
402 CFLAGS += -DHAVE_GETTID
403endif
404
405ifeq ($(feature-file-handle), 1)
406 CFLAGS += -DHAVE_FILE_HANDLE
407endif
408
409ifdef NO_LIBELF
410 NO_DWARF := 1
411 NO_DEMANGLE := 1
412 NO_LIBUNWIND := 1
413 NO_LIBDW_DWARF_UNWIND := 1
414 NO_LIBBPF := 1
415 NO_JVMTI := 1
416else
417 ifeq ($(feature-libelf), 0)
418 ifeq ($(feature-glibc), 1)
419 LIBC_SUPPORT := 1
420 endif
421 ifeq ($(BIONIC),1)
422 LIBC_SUPPORT := 1
423 endif
424 ifeq ($(LIBC_SUPPORT),1)
425 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);
426
427 NO_LIBELF := 1
428 NO_DWARF := 1
429 NO_DEMANGLE := 1
430 NO_LIBUNWIND := 1
431 NO_LIBDW_DWARF_UNWIND := 1
432 NO_LIBBPF := 1
433 NO_JVMTI := 1
434 else
435 ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),)
436 ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0)
437 msg := $(error No libasan found, please install libasan);
438 endif
439 endif
440
441 ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),)
442 ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0)
443 msg := $(error No libubsan found, please install libubsan);
444 endif
445 endif
446
447 ifneq ($(filter s% -static%,$(LDFLAGS),),)
448 msg := $(error No static glibc found, please install glibc-static);
449 else
450 msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
451 endif
452 endif
453 else
454 ifndef NO_LIBDW_DWARF_UNWIND
455 ifneq ($(feature-libdw-dwarf-unwind),1)
456 NO_LIBDW_DWARF_UNWIND := 1
457 msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
458 endif
459 endif
460 ifneq ($(feature-dwarf), 1)
461 ifndef NO_DWARF
462 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);
463 NO_DWARF := 1
464 endif
465 else
466 ifneq ($(feature-dwarf_getlocations), 1)
467 msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
468 else
469 CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT
470 endif # dwarf_getlocations
471 endif # Dwarf support
472 endif # libelf support
473endif # NO_LIBELF
474
475ifeq ($(feature-glibc), 1)
476 CFLAGS += -DHAVE_GLIBC_SUPPORT
477endif
478
479ifeq ($(feature-libaio), 1)
480 ifndef NO_AIO
481 CFLAGS += -DHAVE_AIO_SUPPORT
482 endif
483endif
484
485ifdef NO_DWARF
486 NO_LIBDW_DWARF_UNWIND := 1
487endif
488
489ifeq ($(feature-sched_getcpu), 1)
490 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
491endif
492
493ifeq ($(feature-setns), 1)
494 CFLAGS += -DHAVE_SETNS_SUPPORT
495 $(call detected,CONFIG_SETNS)
496endif
497
498ifdef CORESIGHT
499 $(call feature_check,libopencsd)
500 ifeq ($(feature-libopencsd), 1)
501 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
502 ifeq ($(feature-reallocarray), 0)
503 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
504 endif
505 LDFLAGS += $(LIBOPENCSD_LDFLAGS)
506 EXTLIBS += $(OPENCSDLIBS)
507 $(call detected,CONFIG_LIBOPENCSD)
508 ifdef CSTRACE_RAW
509 CFLAGS += -DCS_DEBUG_RAW
510 ifeq (${CSTRACE_RAW}, packed)
511 CFLAGS += -DCS_RAW_PACKED
512 endif
513 endif
514 else
515 dummy := $(error Error: No libopencsd library found or the version is not up-to-date. Please install recent libopencsd to build with CORESIGHT=1)
516 endif
517endif
518
519ifndef NO_LIBELF
520 CFLAGS += -DHAVE_LIBELF_SUPPORT
521 EXTLIBS += -lelf
522 $(call detected,CONFIG_LIBELF)
523
524 ifeq ($(feature-libelf-getphdrnum), 1)
525 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
526 endif
527
528 ifeq ($(feature-libelf-gelf_getnote), 1)
529 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
530 else
531 msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
532 endif
533
534 ifeq ($(feature-libelf-getshdrstrndx), 1)
535 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
536 endif
537
538 ifndef NO_LIBDEBUGINFOD
539 $(call feature_check,libdebuginfod)
540 ifeq ($(feature-libdebuginfod), 1)
541 CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT
542 EXTLIBS += -ldebuginfod
543 endif
544 endif
545
546 ifndef NO_DWARF
547 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
548 msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
549 NO_DWARF := 1
550 else
551 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
552 LDFLAGS += $(LIBDW_LDFLAGS)
553 EXTLIBS += ${DWARFLIBS}
554 $(call detected,CONFIG_DWARF)
555 endif # PERF_HAVE_DWARF_REGS
556 endif # NO_DWARF
557
558 ifndef NO_LIBBPF
559 ifeq ($(feature-bpf), 1)
560 CFLAGS += -DHAVE_LIBBPF_SUPPORT
561 $(call detected,CONFIG_LIBBPF)
562
563 # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status
564 $(call feature_check,libbpf)
565 ifdef LIBBPF_DYNAMIC
566 ifeq ($(feature-libbpf), 1)
567 EXTLIBS += -lbpf
568 $(call detected,CONFIG_LIBBPF_DYNAMIC)
569
570 $(call feature_check,libbpf-btf__load_from_kernel_by_id)
571 ifeq ($(feature-libbpf-btf__load_from_kernel_by_id), 1)
572 CFLAGS += -DHAVE_LIBBPF_BTF__LOAD_FROM_KERNEL_BY_ID
573 endif
574 $(call feature_check,libbpf-bpf_prog_load)
575 ifeq ($(feature-libbpf-bpf_prog_load), 1)
576 CFLAGS += -DHAVE_LIBBPF_BPF_PROG_LOAD
577 endif
578 $(call feature_check,libbpf-bpf_object__next_program)
579 ifeq ($(feature-libbpf-bpf_object__next_program), 1)
580 CFLAGS += -DHAVE_LIBBPF_BPF_OBJECT__NEXT_PROGRAM
581 endif
582 $(call feature_check,libbpf-bpf_object__next_map)
583 ifeq ($(feature-libbpf-bpf_object__next_map), 1)
584 CFLAGS += -DHAVE_LIBBPF_BPF_OBJECT__NEXT_MAP
585 endif
586 $(call feature_check,libbpf-btf__raw_data)
587 ifeq ($(feature-libbpf-btf__raw_data), 1)
588 CFLAGS += -DHAVE_LIBBPF_BTF__RAW_DATA
589 endif
590 $(call feature_check,libbpf-bpf_map_create)
591 ifeq ($(feature-libbpf-bpf_map_create), 1)
592 CFLAGS += -DHAVE_LIBBPF_BPF_MAP_CREATE
593 endif
594 else
595 dummy := $(error Error: No libbpf devel library found, please install libbpf-devel);
596 endif
597 else
598 CFLAGS += -DHAVE_LIBBPF_BTF__LOAD_FROM_KERNEL_BY_ID
599 CFLAGS += -DHAVE_LIBBPF_BPF_PROG_LOAD
600 CFLAGS += -DHAVE_LIBBPF_BPF_OBJECT__NEXT_PROGRAM
601 CFLAGS += -DHAVE_LIBBPF_BPF_OBJECT__NEXT_MAP
602 CFLAGS += -DHAVE_LIBBPF_BTF__RAW_DATA
603 CFLAGS += -DHAVE_LIBBPF_BPF_MAP_CREATE
604 endif
605 endif
606
607 ifndef NO_DWARF
608 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
609 CFLAGS += -DHAVE_BPF_PROLOGUE
610 $(call detected,CONFIG_BPF_PROLOGUE)
611 else
612 msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset());
613 endif
614 else
615 msg := $(warning DWARF support is off, BPF prologue is disabled);
616 endif
617
618 endif # NO_LIBBPF
619endif # NO_LIBELF
620
621ifndef NO_SDT
622 ifneq ($(feature-sdt), 1)
623 msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
624 NO_SDT := 1;
625 else
626 CFLAGS += -DHAVE_SDT_EVENT
627 $(call detected,CONFIG_SDT_EVENT)
628 endif
629endif
630
631ifdef PERF_HAVE_JITDUMP
632 ifndef NO_LIBELF
633 $(call detected,CONFIG_JITDUMP)
634 CFLAGS += -DHAVE_JITDUMP
635 endif
636endif
637
638ifeq ($(SRCARCH),powerpc)
639 ifndef NO_DWARF
640 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
641 endif
642endif
643
644ifndef NO_LIBUNWIND
645 have_libunwind :=
646
647 $(call feature_check,libunwind-x86)
648 ifeq ($(feature-libunwind-x86), 1)
649 $(call detected,CONFIG_LIBUNWIND_X86)
650 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
651 LDFLAGS += -lunwind-x86
652 EXTLIBS_LIBUNWIND += -lunwind-x86
653 have_libunwind = 1
654 endif
655
656 $(call feature_check,libunwind-aarch64)
657 ifeq ($(feature-libunwind-aarch64), 1)
658 $(call detected,CONFIG_LIBUNWIND_AARCH64)
659 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
660 LDFLAGS += -lunwind-aarch64
661 EXTLIBS_LIBUNWIND += -lunwind-aarch64
662 have_libunwind = 1
663 $(call feature_check,libunwind-debug-frame-aarch64)
664 ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
665 msg := $(warning No debug_frame support found in libunwind-aarch64);
666 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
667 endif
668 endif
669
670 ifneq ($(feature-libunwind), 1)
671 msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
672 NO_LOCAL_LIBUNWIND := 1
673 else
674 have_libunwind := 1
675 $(call detected,CONFIG_LOCAL_LIBUNWIND)
676 endif
677
678 ifneq ($(have_libunwind), 1)
679 NO_LIBUNWIND := 1
680 endif
681else
682 NO_LOCAL_LIBUNWIND := 1
683endif
684
685ifndef NO_LIBBPF
686 ifneq ($(feature-bpf), 1)
687 msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
688 NO_LIBBPF := 1
689 endif
690endif
691
692ifdef BUILD_BPF_SKEL
693 $(call feature_check,clang-bpf-co-re)
694 ifeq ($(feature-clang-bpf-co-re), 0)
695 dummy := $(error Error: clang too old/not installed. Please install recent clang to build with BUILD_BPF_SKEL)
696 endif
697 ifeq ($(filter -DHAVE_LIBBPF_SUPPORT, $(CFLAGS)),)
698 dummy := $(error Error: BPF skeleton support requires libbpf)
699 endif
700 $(call detected,CONFIG_PERF_BPF_SKEL)
701 CFLAGS += -DHAVE_BPF_SKEL
702endif
703
704dwarf-post-unwind := 1
705dwarf-post-unwind-text := BUG
706
707# setup DWARF post unwinder
708ifdef NO_LIBUNWIND
709 ifdef NO_LIBDW_DWARF_UNWIND
710 msg := $(warning Disabling post unwind, no support found.);
711 dwarf-post-unwind := 0
712 else
713 dwarf-post-unwind-text := libdw
714 $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
715 endif
716else
717 dwarf-post-unwind-text := libunwind
718 $(call detected,CONFIG_LIBUNWIND)
719 # Enable libunwind support by default.
720 ifndef NO_LIBDW_DWARF_UNWIND
721 NO_LIBDW_DWARF_UNWIND := 1
722 endif
723endif
724
725ifeq ($(dwarf-post-unwind),1)
726 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
727 $(call detected,CONFIG_DWARF_UNWIND)
728else
729 NO_DWARF_UNWIND := 1
730endif
731
732ifndef NO_LOCAL_LIBUNWIND
733 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
734 $(call feature_check,libunwind-debug-frame)
735 ifneq ($(feature-libunwind-debug-frame), 1)
736 msg := $(warning No debug_frame support found in libunwind);
737 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
738 endif
739 else
740 # non-ARM has no dwarf_find_debug_frame() function:
741 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
742 endif
743 EXTLIBS += $(LIBUNWIND_LIBS)
744 LDFLAGS += $(LIBUNWIND_LIBS)
745endif
746ifeq ($(findstring -static,${LDFLAGS}),-static)
747 # gcc -static links libgcc_eh which contans piece of libunwind
748 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
749endif
750
751ifndef NO_LIBUNWIND
752 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
753 CFLAGS += $(LIBUNWIND_CFLAGS)
754 LDFLAGS += $(LIBUNWIND_LDFLAGS)
755 EXTLIBS += $(EXTLIBS_LIBUNWIND)
756endif
757
758ifeq ($(NO_SYSCALL_TABLE),0)
759 $(call detected,CONFIG_TRACE)
760else
761 ifndef NO_LIBAUDIT
762 $(call feature_check,libaudit)
763 ifneq ($(feature-libaudit), 1)
764 msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
765 NO_LIBAUDIT := 1
766 else
767 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
768 EXTLIBS += -laudit
769 $(call detected,CONFIG_TRACE)
770 endif
771 endif
772endif
773
774ifndef NO_LIBCRYPTO
775 ifneq ($(feature-libcrypto), 1)
776 msg := $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev);
777 NO_LIBCRYPTO := 1
778 else
779 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
780 EXTLIBS += -lcrypto
781 $(call detected,CONFIG_CRYPTO)
782 endif
783endif
784
785ifdef NO_NEWT
786 NO_SLANG=1
787endif
788
789ifndef NO_SLANG
790 ifneq ($(feature-libslang), 1)
791 ifneq ($(feature-libslang-include-subdir), 1)
792 msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
793 NO_SLANG := 1
794 else
795 CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR
796 endif
797 endif
798 ifndef NO_SLANG
799 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
800 CFLAGS += -DHAVE_SLANG_SUPPORT
801 EXTLIBS += -lslang
802 $(call detected,CONFIG_SLANG)
803 endif
804endif
805
806ifdef GTK2
807 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
808 $(call feature_check,gtk2)
809 ifneq ($(feature-gtk2), 1)
810 msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
811 NO_GTK2 := 1
812 else
813 $(call feature_check,gtk2-infobar)
814 ifeq ($(feature-gtk2-infobar), 1)
815 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
816 endif
817 CFLAGS += -DHAVE_GTK2_SUPPORT
818 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
819 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
820 EXTLIBS += -ldl
821 endif
822endif
823
824ifdef NO_LIBPERL
825 CFLAGS += -DNO_LIBPERL
826else
827 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
828 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
829 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
830 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
831 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
832 PERL_EMBED_CCOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(PERL_EMBED_CCOPTS))
833 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
834 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
835
836 ifneq ($(feature-libperl), 1)
837 CFLAGS += -DNO_LIBPERL
838 NO_LIBPERL := 1
839 msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
840 else
841 LDFLAGS += $(PERL_EMBED_LDFLAGS)
842 EXTLIBS += $(PERL_EMBED_LIBADD)
843 CFLAGS += -DHAVE_LIBPERL_SUPPORT
844 ifeq ($(CC_NO_CLANG), 0)
845 CFLAGS += -Wno-compound-token-split-by-macro
846 endif
847 $(call detected,CONFIG_LIBPERL)
848 endif
849endif
850
851ifeq ($(feature-timerfd), 1)
852 CFLAGS += -DHAVE_TIMERFD_SUPPORT
853else
854 msg := $(warning No timerfd support. Disables 'perf kvm stat live');
855endif
856
857disable-python = $(eval $(disable-python_code))
858define disable-python_code
859 CFLAGS += -DNO_LIBPYTHON
860 $(warning $1)
861 NO_LIBPYTHON := 1
862endef
863
864ifdef NO_LIBPYTHON
865 $(call disable-python,Python support disabled by user)
866else
867
868 ifndef PYTHON
869 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
870 else
871 PYTHON_WORD := $(call shell-wordify,$(PYTHON))
872
873 ifndef PYTHON_CONFIG
874 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
875 else
876
877 ifneq ($(feature-libpython), 1)
878 $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
879 else
880 LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
881 EXTLIBS += $(PYTHON_EMBED_LIBADD)
882 LANG_BINDINGS += $(obj-perf)python/perf.so
883 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
884 $(call detected,CONFIG_LIBPYTHON)
885 endif
886 endif
887 endif
888endif
889
890ifneq ($(NO_JEVENTS),1)
891 ifeq ($(wildcard pmu-events/arch/$(SRCARCH)/mapfile.csv),)
892 NO_JEVENTS := 1
893 endif
894endif
895ifneq ($(NO_JEVENTS),1)
896 NO_JEVENTS := 0
897 ifndef PYTHON
898 $(warning No python interpreter disabling jevent generation)
899 NO_JEVENTS := 1
900 else
901 # jevents.py uses f-strings present in Python 3.6 released in Dec. 2016.
902 JEVENTS_PYTHON_GOOD := $(shell $(PYTHON) -c 'import sys;print("1" if(sys.version_info.major >= 3 and sys.version_info.minor >= 6) else "0")' 2> /dev/null)
903 ifneq ($(JEVENTS_PYTHON_GOOD), 1)
904 $(warning Python interpreter too old (older than 3.6) disabling jevent generation)
905 NO_JEVENTS := 1
906 endif
907 endif
908endif
909
910ifndef NO_LIBBFD
911 ifeq ($(feature-libbfd), 1)
912 EXTLIBS += -lbfd -lopcodes
913 else
914 # we are on a system that requires -liberty and (maybe) -lz
915 # to link against -lbfd; test each case individually here
916
917 # call all detections now so we get correct
918 # status in VF output
919 $(call feature_check,libbfd-liberty)
920 $(call feature_check,libbfd-liberty-z)
921
922 ifeq ($(feature-libbfd-liberty), 1)
923 EXTLIBS += -lbfd -lopcodes -liberty
924 else
925 ifeq ($(feature-libbfd-liberty-z), 1)
926 EXTLIBS += -lbfd -lopcodes -liberty -lz
927 endif
928 endif
929 $(call feature_check,disassembler-four-args)
930 $(call feature_check,disassembler-init-styled)
931 endif
932
933 ifeq ($(feature-libbfd-buildid), 1)
934 CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT
935 else
936 msg := $(warning Old version of libbfd/binutils things like PE executable profiling will not be available);
937 endif
938endif
939
940ifdef NO_DEMANGLE
941 CFLAGS += -DNO_DEMANGLE
942else
943 ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
944 EXTLIBS += -liberty
945 else
946 ifeq ($(filter -liberty,$(EXTLIBS)),)
947 $(call feature_check,cplus-demangle)
948
949 # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
950 # or any of 'bfd iberty z' trinity
951 ifeq ($(feature-cplus-demangle), 1)
952 EXTLIBS += -liberty
953 else
954 msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
955 CFLAGS += -DNO_DEMANGLE
956 endif
957 endif
958 endif
959
960 ifneq ($(filter -liberty,$(EXTLIBS)),)
961 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
962 endif
963endif
964
965ifneq ($(filter -lbfd,$(EXTLIBS)),)
966 CFLAGS += -DHAVE_LIBBFD_SUPPORT
967endif
968
969ifndef NO_ZLIB
970 ifeq ($(feature-zlib), 1)
971 CFLAGS += -DHAVE_ZLIB_SUPPORT
972 EXTLIBS += -lz
973 $(call detected,CONFIG_ZLIB)
974 else
975 NO_ZLIB := 1
976 endif
977endif
978
979ifndef NO_LZMA
980 ifeq ($(feature-lzma), 1)
981 CFLAGS += -DHAVE_LZMA_SUPPORT
982 EXTLIBS += -llzma
983 $(call detected,CONFIG_LZMA)
984 else
985 msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
986 NO_LZMA := 1
987 endif
988endif
989
990ifndef NO_LIBZSTD
991 ifeq ($(feature-libzstd), 1)
992 CFLAGS += -DHAVE_ZSTD_SUPPORT
993 CFLAGS += $(LIBZSTD_CFLAGS)
994 LDFLAGS += $(LIBZSTD_LDFLAGS)
995 EXTLIBS += -lzstd
996 $(call detected,CONFIG_ZSTD)
997 else
998 msg := $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR);
999 NO_LIBZSTD := 1
1000 endif
1001endif
1002
1003ifndef NO_LIBCAP
1004 ifeq ($(feature-libcap), 1)
1005 CFLAGS += -DHAVE_LIBCAP_SUPPORT
1006 EXTLIBS += -lcap
1007 $(call detected,CONFIG_LIBCAP)
1008 else
1009 msg := $(warning No libcap found, disables capability support, please install libcap-devel/libcap-dev);
1010 NO_LIBCAP := 1
1011 endif
1012endif
1013
1014ifndef NO_BACKTRACE
1015 ifeq ($(feature-backtrace), 1)
1016 CFLAGS += -DHAVE_BACKTRACE_SUPPORT
1017 endif
1018endif
1019
1020ifndef NO_LIBNUMA
1021 ifeq ($(feature-libnuma), 0)
1022 msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
1023 NO_LIBNUMA := 1
1024 else
1025 ifeq ($(feature-numa_num_possible_cpus), 0)
1026 msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
1027 NO_LIBNUMA := 1
1028 else
1029 CFLAGS += -DHAVE_LIBNUMA_SUPPORT
1030 EXTLIBS += -lnuma
1031 $(call detected,CONFIG_NUMA)
1032 endif
1033 endif
1034endif
1035
1036ifdef HAVE_KVM_STAT_SUPPORT
1037 CFLAGS += -DHAVE_KVM_STAT_SUPPORT
1038endif
1039
1040ifeq ($(feature-disassembler-four-args), 1)
1041 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
1042endif
1043
1044ifeq ($(feature-disassembler-init-styled), 1)
1045 CFLAGS += -DDISASM_INIT_STYLED
1046endif
1047
1048ifeq (${IS_64_BIT}, 1)
1049 ifndef NO_PERF_READ_VDSO32
1050 $(call feature_check,compile-32)
1051 ifeq ($(feature-compile-32), 1)
1052 CFLAGS += -DHAVE_PERF_READ_VDSO32
1053 else
1054 NO_PERF_READ_VDSO32 := 1
1055 endif
1056 endif
1057 ifneq ($(SRCARCH), x86)
1058 NO_PERF_READ_VDSOX32 := 1
1059 endif
1060 ifndef NO_PERF_READ_VDSOX32
1061 $(call feature_check,compile-x32)
1062 ifeq ($(feature-compile-x32), 1)
1063 CFLAGS += -DHAVE_PERF_READ_VDSOX32
1064 else
1065 NO_PERF_READ_VDSOX32 := 1
1066 endif
1067 endif
1068else
1069 NO_PERF_READ_VDSO32 := 1
1070 NO_PERF_READ_VDSOX32 := 1
1071endif
1072
1073ifndef NO_LIBBABELTRACE
1074 $(call feature_check,libbabeltrace)
1075 ifeq ($(feature-libbabeltrace), 1)
1076 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
1077 LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
1078 EXTLIBS += -lbabeltrace-ctf
1079 $(call detected,CONFIG_LIBBABELTRACE)
1080 else
1081 msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
1082 endif
1083endif
1084
1085ifndef NO_AUXTRACE
1086 ifeq ($(SRCARCH),x86)
1087 ifeq ($(feature-get_cpuid), 0)
1088 msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
1089 NO_AUXTRACE := 1
1090 endif
1091 endif
1092 ifndef NO_AUXTRACE
1093 $(call detected,CONFIG_AUXTRACE)
1094 CFLAGS += -DHAVE_AUXTRACE_SUPPORT
1095 ifeq ($(feature-reallocarray), 0)
1096 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
1097 endif
1098 endif
1099endif
1100
1101ifndef NO_JVMTI
1102 ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
1103 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
1104 else
1105 ifneq (,$(wildcard /usr/sbin/alternatives))
1106 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g')
1107 endif
1108 endif
1109 ifndef JDIR
1110 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
1111 NO_JVMTI := 1
1112 endif
1113endif
1114
1115ifndef NO_JVMTI
1116 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
1117 $(call feature_check,jvmti)
1118 ifeq ($(feature-jvmti), 1)
1119 $(call detected_var,JDIR)
1120 ifndef NO_JVMTI_CMLR
1121 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti)
1122 $(call feature_check,jvmti-cmlr)
1123 ifeq ($(feature-jvmti-cmlr), 1)
1124 CFLAGS += -DHAVE_JVMTI_CMLR
1125 endif
1126 endif # NO_JVMTI_CMLR
1127 else
1128 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel)
1129 NO_JVMTI := 1
1130 endif
1131endif
1132
1133USE_CXX = 0
1134USE_CLANGLLVM = 0
1135ifdef LIBCLANGLLVM
1136 $(call feature_check,cxx)
1137 ifneq ($(feature-cxx), 1)
1138 msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
1139 else
1140 $(call feature_check,llvm)
1141 $(call feature_check,llvm-version)
1142 ifneq ($(feature-llvm), 1)
1143 msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
1144 else
1145 $(call feature_check,clang)
1146 ifneq ($(feature-clang), 1)
1147 msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
1148 else
1149 CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
1150 CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
1151 $(call detected,CONFIG_CXX)
1152 $(call detected,CONFIG_CLANGLLVM)
1153 USE_CXX = 1
1154 USE_LLVM = 1
1155 USE_CLANG = 1
1156 ifneq ($(feature-llvm-version),1)
1157 msg := $(warning This version of LLVM is not tested. May cause build errors)
1158 endif
1159 endif
1160 endif
1161 endif
1162endif
1163
1164ifdef LIBPFM4
1165 $(call feature_check,libpfm4)
1166 ifeq ($(feature-libpfm4), 1)
1167 CFLAGS += -DHAVE_LIBPFM
1168 EXTLIBS += -lpfm
1169 ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1
1170 $(call detected,CONFIG_LIBPFM4)
1171 else
1172 msg := $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev);
1173 NO_LIBPFM4 := 1
1174 endif
1175endif
1176
1177ifdef LIBTRACEEVENT_DYNAMIC
1178 $(call feature_check,libtraceevent)
1179 ifeq ($(feature-libtraceevent), 1)
1180 EXTLIBS += -ltraceevent
1181 LIBTRACEEVENT_VERSION := $(shell $(PKG_CONFIG) --modversion libtraceevent)
1182 LIBTRACEEVENT_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEEVENT_VERSION)))
1183 LIBTRACEEVENT_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEEVENT_VERSION)))
1184 LIBTRACEEVENT_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEEVENT_VERSION)))
1185 LIBTRACEEVENT_VERSION_CPP := $(shell expr $(LIBTRACEEVENT_VERSION_1) \* 255 \* 255 + $(LIBTRACEEVENT_VERSION_2) \* 255 + $(LIBTRACEEVENT_VERSION_3))
1186 CFLAGS += -DLIBTRACEEVENT_VERSION=$(LIBTRACEEVENT_VERSION_CPP)
1187 else
1188 dummy := $(error Error: No libtraceevent devel library found, please install libtraceevent-devel);
1189 endif
1190endif
1191
1192ifdef LIBTRACEFS_DYNAMIC
1193 $(call feature_check,libtracefs)
1194 ifeq ($(feature-libtracefs), 1)
1195 EXTLIBS += -ltracefs
1196 LIBTRACEFS_VERSION := $(shell $(PKG_CONFIG) --modversion libtracefs)
1197 LIBTRACEFS_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEFS_VERSION)))
1198 LIBTRACEFS_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEFS_VERSION)))
1199 LIBTRACEFS_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEFS_VERSION)))
1200 LIBTRACEFS_VERSION_CPP := $(shell expr $(LIBTRACEFS_VERSION_1) \* 255 \* 255 + $(LIBTRACEFS_VERSION_2) \* 255 + $(LIBTRACEFS_VERSION_3))
1201 CFLAGS += -DLIBTRACEFS_VERSION=$(LIBTRACEFS_VERSION_CPP)
1202 else
1203 dummy := $(error Error: No libtracefs devel library found, please install libtracefs-dev);
1204 endif
1205endif
1206
1207# Among the variables below, these:
1208# perfexecdir
1209# perf_include_dir
1210# perf_examples_dir
1211# template_dir
1212# mandir
1213# infodir
1214# htmldir
1215# ETC_PERFCONFIG (but not sysconfdir)
1216# can be specified as a relative path some/where/else;
1217# this is interpreted as relative to $(prefix) and "perf" at
1218# runtime figures out where they are based on the path to the executable.
1219# This can help installing the suite in a relocatable way.
1220
1221# Make the path relative to DESTDIR, not to prefix
1222ifndef DESTDIR
1223prefix ?= $(HOME)
1224endif
1225bindir_relative = bin
1226bindir = $(abspath $(prefix)/$(bindir_relative))
1227includedir_relative = include
1228includedir = $(abspath $(prefix)/$(includedir_relative))
1229mandir = share/man
1230infodir = share/info
1231perfexecdir = libexec/perf-core
1232perf_include_dir = lib/perf/include
1233perf_examples_dir = lib/perf/examples
1234sharedir = $(prefix)/share
1235template_dir = share/perf-core/templates
1236STRACE_GROUPS_DIR = share/perf-core/strace/groups
1237htmldir = share/doc/perf-doc
1238tipdir = share/doc/perf-tip
1239srcdir = $(srctree)/tools/perf
1240ifeq ($(prefix),/usr)
1241sysconfdir = /etc
1242ETC_PERFCONFIG = $(sysconfdir)/perfconfig
1243else
1244sysconfdir = $(prefix)/etc
1245ETC_PERFCONFIG = etc/perfconfig
1246endif
1247ifndef lib
1248ifeq ($(SRCARCH)$(IS_64_BIT), x861)
1249lib = lib64
1250else
1251lib = lib
1252endif
1253endif # lib
1254libdir = $(prefix)/$(lib)
1255
1256# Shell quote (do not use $(call) to accommodate ancient setups);
1257ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
1258STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
1259DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
1260bindir_SQ = $(subst ','\'',$(bindir))
1261includedir_SQ = $(subst ','\'',$(includedir))
1262mandir_SQ = $(subst ','\'',$(mandir))
1263infodir_SQ = $(subst ','\'',$(infodir))
1264perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
1265perf_include_dir_SQ = $(subst ','\'',$(perf_include_dir))
1266perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir))
1267template_dir_SQ = $(subst ','\'',$(template_dir))
1268htmldir_SQ = $(subst ','\'',$(htmldir))
1269tipdir_SQ = $(subst ','\'',$(tipdir))
1270prefix_SQ = $(subst ','\'',$(prefix))
1271sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
1272libdir_SQ = $(subst ','\'',$(libdir))
1273srcdir_SQ = $(subst ','\'',$(srcdir))
1274
1275ifneq ($(filter /%,$(firstword $(perfexecdir))),)
1276perfexec_instdir = $(perfexecdir)
1277perf_include_instdir = $(perf_include_dir)
1278perf_examples_instdir = $(perf_examples_dir)
1279STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
1280tip_instdir = $(tipdir)
1281else
1282perfexec_instdir = $(prefix)/$(perfexecdir)
1283perf_include_instdir = $(prefix)/$(perf_include_dir)
1284perf_examples_instdir = $(prefix)/$(perf_examples_dir)
1285STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
1286tip_instdir = $(prefix)/$(tipdir)
1287endif
1288perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
1289perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir))
1290perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir))
1291STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
1292tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
1293
1294# If we install to $(HOME) we keep the traceevent default:
1295# $(HOME)/.traceevent/plugins
1296# Otherwise we install plugins into the global $(libdir).
1297ifdef DESTDIR
1298plugindir=$(libdir)/traceevent/plugins
1299plugindir_SQ= $(subst ','\'',$(plugindir))
1300endif
1301
1302print_var = $(eval $(print_var_code)) $(info $(MSG))
1303define print_var_code
1304 MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
1305endef
1306
1307ifeq ($(VF),1)
1308 # Display EXTRA features which are detected manualy
1309 # from here with feature_check call and thus cannot
1310 # be partof global state output.
1311 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),))
1312 $(call print_var,prefix)
1313 $(call print_var,bindir)
1314 $(call print_var,libdir)
1315 $(call print_var,sysconfdir)
1316 $(call print_var,LIBUNWIND_DIR)
1317 $(call print_var,LIBDW_DIR)
1318 $(call print_var,JDIR)
1319
1320 ifeq ($(dwarf-post-unwind),1)
1321 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
1322 endif
1323 $(info )
1324endif
1325
1326$(call detected_var,bindir_SQ)
1327$(call detected_var,PYTHON_WORD)
1328ifneq ($(OUTPUT),)
1329$(call detected_var,OUTPUT)
1330endif
1331$(call detected_var,htmldir_SQ)
1332$(call detected_var,infodir_SQ)
1333$(call detected_var,mandir_SQ)
1334$(call detected_var,ETC_PERFCONFIG_SQ)
1335$(call detected_var,STRACE_GROUPS_DIR_SQ)
1336$(call detected_var,prefix_SQ)
1337$(call detected_var,perfexecdir_SQ)
1338$(call detected_var,perf_include_dir_SQ)
1339$(call detected_var,perf_examples_dir_SQ)
1340$(call detected_var,tipdir_SQ)
1341$(call detected_var,srcdir_SQ)
1342$(call detected_var,LIBDIR)
1343$(call detected_var,GTK_CFLAGS)
1344$(call detected_var,PERL_EMBED_CCOPTS)
1345$(call detected_var,PYTHON_EMBED_CCOPTS)
1346ifneq ($(BISON_FILE_PREFIX_MAP),)
1347$(call detected_var,BISON_FILE_PREFIX_MAP)
1348endif
1349
1350# re-generate FEATURE-DUMP as we may have called feature_check, found out
1351# extra libraries to add to LDFLAGS of some other test and then redo those
1352# tests.
1353$(shell rm -f $(FEATURE_DUMP_FILENAME))
1354$(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME)))
1355
1356ifeq ($(feature_display),1)
1357 $(call feature_display_entries)
1358endif