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