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 CFLAGS += -I../../arch/mips/include/uapi -I../../arch/mips/include/generated/uapi
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 -lopencsd
148ifdef CSLIBS
149 LIBOPENCSD_LDFLAGS := -L$(CSLIBS)
150endif
151FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS)
152FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS)
153
154ifeq ($(NO_PERF_REGS),0)
155 CFLAGS += -DHAVE_PERF_REGS_SUPPORT
156endif
157
158# for linking with debug library, run like:
159# make DEBUG=1 LIBDW_DIR=/opt/libdw/
160ifdef LIBDW_DIR
161 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include
162 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
163endif
164DWARFLIBS := -ldw
165ifeq ($(findstring -static,${LDFLAGS}),-static)
166 DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2
167endif
168FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
169FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS)
170
171# for linking with debug library, run like:
172# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
173ifdef LIBBABELTRACE_DIR
174 LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include
175 LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
176endif
177FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
178FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
179
180ifdef LIBZSTD_DIR
181 LIBZSTD_CFLAGS := -I$(LIBZSTD_DIR)/lib
182 LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib
183endif
184FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS)
185FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS)
186
187FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi
188# include ARCH specific config
189-include $(src-perf)/arch/$(SRCARCH)/Makefile
190
191ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
192 CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
193endif
194
195include $(srctree)/tools/scripts/utilities.mak
196
197ifeq ($(call get-executable,$(FLEX)),)
198 dummy := $(error Error: $(FLEX) is missing on this system, please install it)
199endif
200
201ifeq ($(call get-executable,$(BISON)),)
202 dummy := $(error Error: $(BISON) is missing on this system, please install it)
203endif
204
205# Treat warnings as errors unless directed not to
206ifneq ($(WERROR),0)
207 CORE_CFLAGS += -Werror
208 CXXFLAGS += -Werror
209endif
210
211ifndef DEBUG
212 DEBUG := 0
213endif
214
215ifeq ($(DEBUG),0)
216ifeq ($(CC_NO_CLANG), 0)
217 CORE_CFLAGS += -O3
218else
219 CORE_CFLAGS += -O6
220endif
221endif
222
223ifdef PARSER_DEBUG
224 PARSER_DEBUG_BISON := -t
225 PARSER_DEBUG_FLEX := -d
226 CFLAGS += -DPARSER_DEBUG
227 $(call detected_var,PARSER_DEBUG_BISON)
228 $(call detected_var,PARSER_DEBUG_FLEX)
229endif
230
231# Try different combinations to accommodate systems that only have
232# python[2][-config] in weird combinations but always preferring
233# python2 and python2-config as per pep-0394. If python2 or python
234# aren't found, then python3 is used.
235PYTHON_AUTO := python
236PYTHON_AUTO := $(if $(call get-executable,python3),python3,$(PYTHON_AUTO))
237PYTHON_AUTO := $(if $(call get-executable,python),python,$(PYTHON_AUTO))
238PYTHON_AUTO := $(if $(call get-executable,python2),python2,$(PYTHON_AUTO))
239override PYTHON := $(call get-executable-or-default,PYTHON,$(PYTHON_AUTO))
240PYTHON_AUTO_CONFIG := \
241 $(if $(call get-executable,$(PYTHON)-config),$(PYTHON)-config,python-config)
242override PYTHON_CONFIG := \
243 $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON_AUTO_CONFIG))
244
245grep-libs = $(filter -l%,$(1))
246strip-libs = $(filter-out -l%,$(1))
247
248PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
249
250# Python 3.8 changed the output of `python-config --ldflags` to not include the
251# '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for
252# libpython fails if that flag is not included in LDFLAGS
253ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0)
254 PYTHON_CONFIG_LDFLAGS := --ldflags --embed
255else
256 PYTHON_CONFIG_LDFLAGS := --ldflags
257endif
258
259ifdef PYTHON_CONFIG
260 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) $(PYTHON_CONFIG_LDFLAGS) 2>/dev/null)
261 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
262 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
263 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null)
264 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
265endif
266
267FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
268FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
269FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
270FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
271
272FEATURE_CHECK_LDFLAGS-libaio = -lrt
273
274FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes -ldl
275
276CORE_CFLAGS += -fno-omit-frame-pointer
277CORE_CFLAGS += -ggdb3
278CORE_CFLAGS += -funwind-tables
279CORE_CFLAGS += -Wall
280CORE_CFLAGS += -Wextra
281CORE_CFLAGS += -std=gnu99
282
283CXXFLAGS += -std=gnu++11 -fno-exceptions -fno-rtti
284CXXFLAGS += -Wall
285CXXFLAGS += -fno-omit-frame-pointer
286CXXFLAGS += -ggdb3
287CXXFLAGS += -funwind-tables
288CXXFLAGS += -Wno-strict-aliasing
289
290# Enforce a non-executable stack, as we may regress (again) in the future by
291# adding assembler files missing the .GNU-stack linker note.
292LDFLAGS += -Wl,-z,noexecstack
293
294EXTLIBS = -lpthread -lrt -lm -ldl
295
296ifneq ($(TCMALLOC),)
297 CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free
298 EXTLIBS += -ltcmalloc
299endif
300
301ifeq ($(FEATURES_DUMP),)
302# We will display at the end of this Makefile.config, using $(call feature_display_entries)
303# As we may retry some feature detection here, see the disassembler-four-args case, for instance
304 FEATURE_DISPLAY_DEFERRED := 1
305include $(srctree)/tools/build/Makefile.feature
306else
307include $(FEATURES_DUMP)
308endif
309
310ifeq ($(feature-stackprotector-all), 1)
311 CORE_CFLAGS += -fstack-protector-all
312endif
313
314ifeq ($(DEBUG),0)
315 ifeq ($(feature-fortify-source), 1)
316 CORE_CFLAGS += -D_FORTIFY_SOURCE=2
317 endif
318endif
319
320INC_FLAGS += -I$(srctree)/tools/lib/perf/include
321INC_FLAGS += -I$(src-perf)/util/include
322INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
323INC_FLAGS += -I$(srctree)/tools/include/
324INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
325INC_FLAGS += -I$(srctree)/tools/include/uapi
326INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
327INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
328
329# $(obj-perf) for generated common-cmds.h
330# $(obj-perf)/util for generated bison/flex headers
331ifneq ($(OUTPUT),)
332INC_FLAGS += -I$(obj-perf)/util
333INC_FLAGS += -I$(obj-perf)
334endif
335
336INC_FLAGS += -I$(src-perf)/util
337INC_FLAGS += -I$(src-perf)
338INC_FLAGS += -I$(srctree)/tools/lib/
339
340CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
341
342CFLAGS += $(CORE_CFLAGS) $(INC_FLAGS)
343CXXFLAGS += $(INC_FLAGS)
344
345LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS)
346
347ifeq ($(feature-sync-compare-and-swap), 1)
348 CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
349endif
350
351ifeq ($(feature-pthread-attr-setaffinity-np), 1)
352 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
353endif
354
355ifeq ($(feature-pthread-barrier), 1)
356 CFLAGS += -DHAVE_PTHREAD_BARRIER
357endif
358
359ifndef NO_BIONIC
360 $(call feature_check,bionic)
361 ifeq ($(feature-bionic), 1)
362 BIONIC := 1
363 CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE
364 CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE
365 EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
366 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
367 endif
368endif
369
370ifeq ($(feature-eventfd), 1)
371 CFLAGS += -DHAVE_EVENTFD_SUPPORT
372endif
373
374ifeq ($(feature-get_current_dir_name), 1)
375 CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME
376endif
377
378ifeq ($(feature-gettid), 1)
379 CFLAGS += -DHAVE_GETTID
380endif
381
382ifeq ($(feature-file-handle), 1)
383 CFLAGS += -DHAVE_FILE_HANDLE
384endif
385
386ifdef NO_LIBELF
387 NO_DWARF := 1
388 NO_DEMANGLE := 1
389 NO_LIBUNWIND := 1
390 NO_LIBDW_DWARF_UNWIND := 1
391 NO_LIBBPF := 1
392 NO_JVMTI := 1
393else
394 ifeq ($(feature-libelf), 0)
395 ifeq ($(feature-glibc), 1)
396 LIBC_SUPPORT := 1
397 endif
398 ifeq ($(BIONIC),1)
399 LIBC_SUPPORT := 1
400 endif
401 ifeq ($(LIBC_SUPPORT),1)
402 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);
403
404 NO_LIBELF := 1
405 NO_DWARF := 1
406 NO_DEMANGLE := 1
407 NO_LIBUNWIND := 1
408 NO_LIBDW_DWARF_UNWIND := 1
409 NO_LIBBPF := 1
410 NO_JVMTI := 1
411 else
412 ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),)
413 ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0)
414 msg := $(error No libasan found, please install libasan);
415 endif
416 endif
417
418 ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),)
419 ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0)
420 msg := $(error No libubsan found, please install libubsan);
421 endif
422 endif
423
424 ifneq ($(filter s% -static%,$(LDFLAGS),),)
425 msg := $(error No static glibc found, please install glibc-static);
426 else
427 msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
428 endif
429 endif
430 else
431 ifndef NO_LIBDW_DWARF_UNWIND
432 ifneq ($(feature-libdw-dwarf-unwind),1)
433 NO_LIBDW_DWARF_UNWIND := 1
434 msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
435 endif
436 endif
437 ifneq ($(feature-dwarf), 1)
438 ifndef NO_DWARF
439 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);
440 NO_DWARF := 1
441 endif
442 else
443 ifneq ($(feature-dwarf_getlocations), 1)
444 msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
445 else
446 CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT
447 endif # dwarf_getlocations
448 endif # Dwarf support
449 endif # libelf support
450endif # NO_LIBELF
451
452ifeq ($(feature-glibc), 1)
453 CFLAGS += -DHAVE_GLIBC_SUPPORT
454endif
455
456ifeq ($(feature-libaio), 1)
457 ifndef NO_AIO
458 CFLAGS += -DHAVE_AIO_SUPPORT
459 endif
460endif
461
462ifdef NO_DWARF
463 NO_LIBDW_DWARF_UNWIND := 1
464endif
465
466ifeq ($(feature-sched_getcpu), 1)
467 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
468endif
469
470ifeq ($(feature-setns), 1)
471 CFLAGS += -DHAVE_SETNS_SUPPORT
472 $(call detected,CONFIG_SETNS)
473endif
474
475ifdef CORESIGHT
476 $(call feature_check,libopencsd)
477 ifeq ($(feature-libopencsd), 1)
478 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
479 ifeq ($(feature-reallocarray), 0)
480 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
481 endif
482 LDFLAGS += $(LIBOPENCSD_LDFLAGS)
483 EXTLIBS += $(OPENCSDLIBS)
484 $(call detected,CONFIG_LIBOPENCSD)
485 ifdef CSTRACE_RAW
486 CFLAGS += -DCS_DEBUG_RAW
487 ifeq (${CSTRACE_RAW}, packed)
488 CFLAGS += -DCS_RAW_PACKED
489 endif
490 endif
491 endif
492endif
493
494ifndef NO_LIBELF
495 CFLAGS += -DHAVE_LIBELF_SUPPORT
496 EXTLIBS += -lelf
497 $(call detected,CONFIG_LIBELF)
498
499 ifeq ($(feature-libelf-getphdrnum), 1)
500 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
501 endif
502
503 ifeq ($(feature-libelf-gelf_getnote), 1)
504 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
505 else
506 msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
507 endif
508
509 ifeq ($(feature-libelf-getshdrstrndx), 1)
510 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
511 endif
512
513 ifndef NO_LIBDEBUGINFOD
514 $(call feature_check,libdebuginfod)
515 ifeq ($(feature-libdebuginfod), 1)
516 CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT
517 EXTLIBS += -ldebuginfod
518 endif
519 endif
520
521 ifndef NO_DWARF
522 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
523 msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
524 NO_DWARF := 1
525 else
526 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
527 LDFLAGS += $(LIBDW_LDFLAGS)
528 EXTLIBS += ${DWARFLIBS}
529 $(call detected,CONFIG_DWARF)
530 endif # PERF_HAVE_DWARF_REGS
531 endif # NO_DWARF
532
533 ifndef NO_LIBBPF
534 ifeq ($(feature-bpf), 1)
535 CFLAGS += -DHAVE_LIBBPF_SUPPORT
536 $(call detected,CONFIG_LIBBPF)
537
538 # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status
539 $(call feature_check,libbpf)
540 ifdef LIBBPF_DYNAMIC
541 ifeq ($(feature-libbpf), 1)
542 EXTLIBS += -lbpf
543 $(call detected,CONFIG_LIBBPF_DYNAMIC)
544 else
545 dummy := $(error Error: No libbpf devel library found, please install libbpf-devel);
546 endif
547 endif
548 endif
549
550 ifndef NO_DWARF
551 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
552 CFLAGS += -DHAVE_BPF_PROLOGUE
553 $(call detected,CONFIG_BPF_PROLOGUE)
554 else
555 msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset());
556 endif
557 else
558 msg := $(warning DWARF support is off, BPF prologue is disabled);
559 endif
560
561 endif # NO_LIBBPF
562endif # NO_LIBELF
563
564ifndef NO_SDT
565 ifneq ($(feature-sdt), 1)
566 msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
567 NO_SDT := 1;
568 else
569 CFLAGS += -DHAVE_SDT_EVENT
570 $(call detected,CONFIG_SDT_EVENT)
571 endif
572endif
573
574ifdef PERF_HAVE_JITDUMP
575 ifndef NO_LIBELF
576 $(call detected,CONFIG_JITDUMP)
577 CFLAGS += -DHAVE_JITDUMP
578 endif
579endif
580
581ifeq ($(SRCARCH),powerpc)
582 ifndef NO_DWARF
583 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
584 endif
585endif
586
587ifndef NO_LIBUNWIND
588 have_libunwind :=
589
590 $(call feature_check,libunwind-x86)
591 ifeq ($(feature-libunwind-x86), 1)
592 $(call detected,CONFIG_LIBUNWIND_X86)
593 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
594 LDFLAGS += -lunwind-x86
595 EXTLIBS_LIBUNWIND += -lunwind-x86
596 have_libunwind = 1
597 endif
598
599 $(call feature_check,libunwind-aarch64)
600 ifeq ($(feature-libunwind-aarch64), 1)
601 $(call detected,CONFIG_LIBUNWIND_AARCH64)
602 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
603 LDFLAGS += -lunwind-aarch64
604 EXTLIBS_LIBUNWIND += -lunwind-aarch64
605 have_libunwind = 1
606 $(call feature_check,libunwind-debug-frame-aarch64)
607 ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
608 msg := $(warning No debug_frame support found in libunwind-aarch64);
609 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
610 endif
611 endif
612
613 ifneq ($(feature-libunwind), 1)
614 msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
615 NO_LOCAL_LIBUNWIND := 1
616 else
617 have_libunwind := 1
618 $(call detected,CONFIG_LOCAL_LIBUNWIND)
619 endif
620
621 ifneq ($(have_libunwind), 1)
622 NO_LIBUNWIND := 1
623 endif
624else
625 NO_LOCAL_LIBUNWIND := 1
626endif
627
628ifndef NO_LIBBPF
629 ifneq ($(feature-bpf), 1)
630 msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
631 NO_LIBBPF := 1
632 endif
633endif
634
635ifdef BUILD_BPF_SKEL
636 $(call feature_check,clang-bpf-co-re)
637 ifeq ($(feature-clang-bpf-co-re), 0)
638 dummy := $(error Error: clang too old. Please install recent clang)
639 endif
640 $(call detected,CONFIG_PERF_BPF_SKEL)
641 CFLAGS += -DHAVE_BPF_SKEL
642endif
643
644dwarf-post-unwind := 1
645dwarf-post-unwind-text := BUG
646
647# setup DWARF post unwinder
648ifdef NO_LIBUNWIND
649 ifdef NO_LIBDW_DWARF_UNWIND
650 msg := $(warning Disabling post unwind, no support found.);
651 dwarf-post-unwind := 0
652 else
653 dwarf-post-unwind-text := libdw
654 $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
655 endif
656else
657 dwarf-post-unwind-text := libunwind
658 $(call detected,CONFIG_LIBUNWIND)
659 # Enable libunwind support by default.
660 ifndef NO_LIBDW_DWARF_UNWIND
661 NO_LIBDW_DWARF_UNWIND := 1
662 endif
663endif
664
665ifeq ($(dwarf-post-unwind),1)
666 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
667 $(call detected,CONFIG_DWARF_UNWIND)
668else
669 NO_DWARF_UNWIND := 1
670endif
671
672ifndef NO_LOCAL_LIBUNWIND
673 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
674 $(call feature_check,libunwind-debug-frame)
675 ifneq ($(feature-libunwind-debug-frame), 1)
676 msg := $(warning No debug_frame support found in libunwind);
677 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
678 endif
679 else
680 # non-ARM has no dwarf_find_debug_frame() function:
681 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
682 endif
683 EXTLIBS += $(LIBUNWIND_LIBS)
684 LDFLAGS += $(LIBUNWIND_LIBS)
685endif
686ifeq ($(findstring -static,${LDFLAGS}),-static)
687 # gcc -static links libgcc_eh which contans piece of libunwind
688 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
689endif
690
691ifndef NO_LIBUNWIND
692 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
693 CFLAGS += $(LIBUNWIND_CFLAGS)
694 LDFLAGS += $(LIBUNWIND_LDFLAGS)
695 EXTLIBS += $(EXTLIBS_LIBUNWIND)
696endif
697
698ifeq ($(NO_SYSCALL_TABLE),0)
699 $(call detected,CONFIG_TRACE)
700else
701 ifndef NO_LIBAUDIT
702 $(call feature_check,libaudit)
703 ifneq ($(feature-libaudit), 1)
704 msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
705 NO_LIBAUDIT := 1
706 else
707 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
708 EXTLIBS += -laudit
709 $(call detected,CONFIG_TRACE)
710 endif
711 endif
712endif
713
714ifndef NO_LIBCRYPTO
715 ifneq ($(feature-libcrypto), 1)
716 msg := $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev);
717 NO_LIBCRYPTO := 1
718 else
719 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
720 EXTLIBS += -lcrypto
721 $(call detected,CONFIG_CRYPTO)
722 endif
723endif
724
725ifdef NO_NEWT
726 NO_SLANG=1
727endif
728
729ifndef NO_SLANG
730 ifneq ($(feature-libslang), 1)
731 ifneq ($(feature-libslang-include-subdir), 1)
732 msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
733 NO_SLANG := 1
734 else
735 CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR
736 endif
737 endif
738 ifndef NO_SLANG
739 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
740 CFLAGS += -DHAVE_SLANG_SUPPORT
741 EXTLIBS += -lslang
742 $(call detected,CONFIG_SLANG)
743 endif
744endif
745
746ifdef GTK2
747 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
748 $(call feature_check,gtk2)
749 ifneq ($(feature-gtk2), 1)
750 msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
751 NO_GTK2 := 1
752 else
753 $(call feature_check,gtk2-infobar)
754 ifeq ($(feature-gtk2-infobar), 1)
755 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
756 endif
757 CFLAGS += -DHAVE_GTK2_SUPPORT
758 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
759 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
760 EXTLIBS += -ldl
761 endif
762endif
763
764ifdef NO_LIBPERL
765 CFLAGS += -DNO_LIBPERL
766else
767 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
768 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
769 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
770 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
771 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
772 PERL_EMBED_CCOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(PERL_EMBED_CCOPTS))
773 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
774 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
775
776 ifneq ($(feature-libperl), 1)
777 CFLAGS += -DNO_LIBPERL
778 NO_LIBPERL := 1
779 msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
780 else
781 LDFLAGS += $(PERL_EMBED_LDFLAGS)
782 EXTLIBS += $(PERL_EMBED_LIBADD)
783 CFLAGS += -DHAVE_LIBPERL_SUPPORT
784 $(call detected,CONFIG_LIBPERL)
785 endif
786endif
787
788ifeq ($(feature-timerfd), 1)
789 CFLAGS += -DHAVE_TIMERFD_SUPPORT
790else
791 msg := $(warning No timerfd support. Disables 'perf kvm stat live');
792endif
793
794disable-python = $(eval $(disable-python_code))
795define disable-python_code
796 CFLAGS += -DNO_LIBPYTHON
797 $(warning $1)
798 NO_LIBPYTHON := 1
799endef
800
801ifdef NO_LIBPYTHON
802 $(call disable-python,Python support disabled by user)
803else
804
805 ifndef PYTHON
806 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
807 else
808 PYTHON_WORD := $(call shell-wordify,$(PYTHON))
809
810 ifndef PYTHON_CONFIG
811 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
812 else
813
814 ifneq ($(feature-libpython), 1)
815 $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
816 else
817 LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
818 EXTLIBS += $(PYTHON_EMBED_LIBADD)
819 LANG_BINDINGS += $(obj-perf)python/perf.so
820 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
821 $(call detected,CONFIG_LIBPYTHON)
822 endif
823 endif
824 endif
825endif
826
827ifeq ($(feature-libbfd), 1)
828 EXTLIBS += -lbfd -lopcodes
829else
830 # we are on a system that requires -liberty and (maybe) -lz
831 # to link against -lbfd; test each case individually here
832
833 # call all detections now so we get correct
834 # status in VF output
835 $(call feature_check,libbfd-liberty)
836 $(call feature_check,libbfd-liberty-z)
837
838 ifeq ($(feature-libbfd-liberty), 1)
839 EXTLIBS += -lbfd -lopcodes -liberty
840 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl
841 else
842 ifeq ($(feature-libbfd-liberty-z), 1)
843 EXTLIBS += -lbfd -lopcodes -liberty -lz
844 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl
845 endif
846 endif
847 $(call feature_check,disassembler-four-args)
848endif
849
850ifeq ($(feature-libbfd-buildid), 1)
851 CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT
852else
853 msg := $(warning Old version of libbfd/binutils things like PE executable profiling will not be available);
854endif
855
856ifdef NO_DEMANGLE
857 CFLAGS += -DNO_DEMANGLE
858else
859 ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
860 EXTLIBS += -liberty
861 else
862 ifeq ($(filter -liberty,$(EXTLIBS)),)
863 $(call feature_check,cplus-demangle)
864
865 # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
866 # or any of 'bfd iberty z' trinity
867 ifeq ($(feature-cplus-demangle), 1)
868 EXTLIBS += -liberty
869 else
870 msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
871 CFLAGS += -DNO_DEMANGLE
872 endif
873 endif
874 endif
875
876 ifneq ($(filter -liberty,$(EXTLIBS)),)
877 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
878 endif
879endif
880
881ifneq ($(filter -lbfd,$(EXTLIBS)),)
882 CFLAGS += -DHAVE_LIBBFD_SUPPORT
883endif
884
885ifndef NO_ZLIB
886 ifeq ($(feature-zlib), 1)
887 CFLAGS += -DHAVE_ZLIB_SUPPORT
888 EXTLIBS += -lz
889 $(call detected,CONFIG_ZLIB)
890 else
891 NO_ZLIB := 1
892 endif
893endif
894
895ifndef NO_LZMA
896 ifeq ($(feature-lzma), 1)
897 CFLAGS += -DHAVE_LZMA_SUPPORT
898 EXTLIBS += -llzma
899 $(call detected,CONFIG_LZMA)
900 else
901 msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
902 NO_LZMA := 1
903 endif
904endif
905
906ifndef NO_LIBZSTD
907 ifeq ($(feature-libzstd), 1)
908 CFLAGS += -DHAVE_ZSTD_SUPPORT
909 CFLAGS += $(LIBZSTD_CFLAGS)
910 LDFLAGS += $(LIBZSTD_LDFLAGS)
911 EXTLIBS += -lzstd
912 $(call detected,CONFIG_ZSTD)
913 else
914 msg := $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR);
915 NO_LIBZSTD := 1
916 endif
917endif
918
919ifndef NO_LIBCAP
920 ifeq ($(feature-libcap), 1)
921 CFLAGS += -DHAVE_LIBCAP_SUPPORT
922 EXTLIBS += -lcap
923 $(call detected,CONFIG_LIBCAP)
924 else
925 msg := $(warning No libcap found, disables capability support, please install libcap-devel/libcap-dev);
926 NO_LIBCAP := 1
927 endif
928endif
929
930ifndef NO_BACKTRACE
931 ifeq ($(feature-backtrace), 1)
932 CFLAGS += -DHAVE_BACKTRACE_SUPPORT
933 endif
934endif
935
936ifndef NO_LIBNUMA
937 ifeq ($(feature-libnuma), 0)
938 msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
939 NO_LIBNUMA := 1
940 else
941 ifeq ($(feature-numa_num_possible_cpus), 0)
942 msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
943 NO_LIBNUMA := 1
944 else
945 CFLAGS += -DHAVE_LIBNUMA_SUPPORT
946 EXTLIBS += -lnuma
947 $(call detected,CONFIG_NUMA)
948 endif
949 endif
950endif
951
952ifdef HAVE_KVM_STAT_SUPPORT
953 CFLAGS += -DHAVE_KVM_STAT_SUPPORT
954endif
955
956ifeq ($(feature-disassembler-four-args), 1)
957 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
958endif
959
960ifeq (${IS_64_BIT}, 1)
961 ifndef NO_PERF_READ_VDSO32
962 $(call feature_check,compile-32)
963 ifeq ($(feature-compile-32), 1)
964 CFLAGS += -DHAVE_PERF_READ_VDSO32
965 else
966 NO_PERF_READ_VDSO32 := 1
967 endif
968 endif
969 ifneq ($(SRCARCH), x86)
970 NO_PERF_READ_VDSOX32 := 1
971 endif
972 ifndef NO_PERF_READ_VDSOX32
973 $(call feature_check,compile-x32)
974 ifeq ($(feature-compile-x32), 1)
975 CFLAGS += -DHAVE_PERF_READ_VDSOX32
976 else
977 NO_PERF_READ_VDSOX32 := 1
978 endif
979 endif
980else
981 NO_PERF_READ_VDSO32 := 1
982 NO_PERF_READ_VDSOX32 := 1
983endif
984
985ifndef NO_LIBBABELTRACE
986 $(call feature_check,libbabeltrace)
987 ifeq ($(feature-libbabeltrace), 1)
988 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
989 LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
990 EXTLIBS += -lbabeltrace-ctf
991 $(call detected,CONFIG_LIBBABELTRACE)
992 else
993 msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
994 endif
995endif
996
997ifndef NO_AUXTRACE
998 ifeq ($(SRCARCH),x86)
999 ifeq ($(feature-get_cpuid), 0)
1000 msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
1001 NO_AUXTRACE := 1
1002 endif
1003 endif
1004 ifndef NO_AUXTRACE
1005 $(call detected,CONFIG_AUXTRACE)
1006 CFLAGS += -DHAVE_AUXTRACE_SUPPORT
1007 endif
1008endif
1009
1010ifndef NO_JVMTI
1011 ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
1012 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
1013 else
1014 ifneq (,$(wildcard /usr/sbin/alternatives))
1015 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g')
1016 endif
1017 endif
1018 ifndef JDIR
1019 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
1020 NO_JVMTI := 1
1021 endif
1022endif
1023
1024ifndef NO_JVMTI
1025 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
1026 $(call feature_check,jvmti)
1027 ifeq ($(feature-jvmti), 1)
1028 $(call detected_var,JDIR)
1029 ifndef NO_JVMTI_CMLR
1030 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti)
1031 $(call feature_check,jvmti-cmlr)
1032 ifeq ($(feature-jvmti-cmlr), 1)
1033 CFLAGS += -DHAVE_JVMTI_CMLR
1034 endif
1035 endif # NO_JVMTI_CMLR
1036 else
1037 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel)
1038 NO_JVMTI := 1
1039 endif
1040endif
1041
1042USE_CXX = 0
1043USE_CLANGLLVM = 0
1044ifdef LIBCLANGLLVM
1045 $(call feature_check,cxx)
1046 ifneq ($(feature-cxx), 1)
1047 msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
1048 else
1049 $(call feature_check,llvm)
1050 $(call feature_check,llvm-version)
1051 ifneq ($(feature-llvm), 1)
1052 msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
1053 else
1054 $(call feature_check,clang)
1055 ifneq ($(feature-clang), 1)
1056 msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
1057 else
1058 CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
1059 CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
1060 $(call detected,CONFIG_CXX)
1061 $(call detected,CONFIG_CLANGLLVM)
1062 USE_CXX = 1
1063 USE_LLVM = 1
1064 USE_CLANG = 1
1065 ifneq ($(feature-llvm-version),1)
1066 msg := $(warning This version of LLVM is not tested. May cause build errors)
1067 endif
1068 endif
1069 endif
1070 endif
1071endif
1072
1073ifdef LIBPFM4
1074 $(call feature_check,libpfm4)
1075 ifeq ($(feature-libpfm4), 1)
1076 CFLAGS += -DHAVE_LIBPFM
1077 EXTLIBS += -lpfm
1078 ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1
1079 $(call detected,CONFIG_LIBPFM4)
1080 else
1081 msg := $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev);
1082 NO_LIBPFM4 := 1
1083 endif
1084endif
1085
1086ifdef LIBTRACEEVENT_DYNAMIC
1087 $(call feature_check,libtraceevent)
1088 ifeq ($(feature-libtraceevent), 1)
1089 EXTLIBS += -ltraceevent
1090 else
1091 dummy := $(error Error: No libtraceevent devel library found, please install libtraceevent-devel);
1092 endif
1093endif
1094
1095# Among the variables below, these:
1096# perfexecdir
1097# perf_include_dir
1098# perf_examples_dir
1099# template_dir
1100# mandir
1101# infodir
1102# htmldir
1103# ETC_PERFCONFIG (but not sysconfdir)
1104# can be specified as a relative path some/where/else;
1105# this is interpreted as relative to $(prefix) and "perf" at
1106# runtime figures out where they are based on the path to the executable.
1107# This can help installing the suite in a relocatable way.
1108
1109# Make the path relative to DESTDIR, not to prefix
1110ifndef DESTDIR
1111prefix ?= $(HOME)
1112endif
1113bindir_relative = bin
1114bindir = $(abspath $(prefix)/$(bindir_relative))
1115mandir = share/man
1116infodir = share/info
1117perfexecdir = libexec/perf-core
1118perf_include_dir = lib/perf/include
1119perf_examples_dir = lib/perf/examples
1120sharedir = $(prefix)/share
1121template_dir = share/perf-core/templates
1122STRACE_GROUPS_DIR = share/perf-core/strace/groups
1123htmldir = share/doc/perf-doc
1124tipdir = share/doc/perf-tip
1125srcdir = $(srctree)/tools/perf
1126ifeq ($(prefix),/usr)
1127sysconfdir = /etc
1128ETC_PERFCONFIG = $(sysconfdir)/perfconfig
1129else
1130sysconfdir = $(prefix)/etc
1131ETC_PERFCONFIG = etc/perfconfig
1132endif
1133ifndef lib
1134ifeq ($(SRCARCH)$(IS_64_BIT), x861)
1135lib = lib64
1136else
1137lib = lib
1138endif
1139endif # lib
1140libdir = $(prefix)/$(lib)
1141
1142# Shell quote (do not use $(call) to accommodate ancient setups);
1143ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
1144STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
1145DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
1146bindir_SQ = $(subst ','\'',$(bindir))
1147mandir_SQ = $(subst ','\'',$(mandir))
1148infodir_SQ = $(subst ','\'',$(infodir))
1149perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
1150perf_include_dir_SQ = $(subst ','\'',$(perf_include_dir))
1151perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir))
1152template_dir_SQ = $(subst ','\'',$(template_dir))
1153htmldir_SQ = $(subst ','\'',$(htmldir))
1154tipdir_SQ = $(subst ','\'',$(tipdir))
1155prefix_SQ = $(subst ','\'',$(prefix))
1156sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
1157libdir_SQ = $(subst ','\'',$(libdir))
1158srcdir_SQ = $(subst ','\'',$(srcdir))
1159
1160ifneq ($(filter /%,$(firstword $(perfexecdir))),)
1161perfexec_instdir = $(perfexecdir)
1162perf_include_instdir = $(perf_include_dir)
1163perf_examples_instdir = $(perf_examples_dir)
1164STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
1165tip_instdir = $(tipdir)
1166else
1167perfexec_instdir = $(prefix)/$(perfexecdir)
1168perf_include_instdir = $(prefix)/$(perf_include_dir)
1169perf_examples_instdir = $(prefix)/$(perf_examples_dir)
1170STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
1171tip_instdir = $(prefix)/$(tipdir)
1172endif
1173perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
1174perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir))
1175perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir))
1176STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
1177tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
1178
1179# If we install to $(HOME) we keep the traceevent default:
1180# $(HOME)/.traceevent/plugins
1181# Otherwise we install plugins into the global $(libdir).
1182ifdef DESTDIR
1183plugindir=$(libdir)/traceevent/plugins
1184plugindir_SQ= $(subst ','\'',$(plugindir))
1185endif
1186
1187print_var = $(eval $(print_var_code)) $(info $(MSG))
1188define print_var_code
1189 MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
1190endef
1191
1192ifeq ($(VF),1)
1193 # Display EXTRA features which are detected manualy
1194 # from here with feature_check call and thus cannot
1195 # be partof global state output.
1196 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),))
1197 $(call print_var,prefix)
1198 $(call print_var,bindir)
1199 $(call print_var,libdir)
1200 $(call print_var,sysconfdir)
1201 $(call print_var,LIBUNWIND_DIR)
1202 $(call print_var,LIBDW_DIR)
1203 $(call print_var,JDIR)
1204
1205 ifeq ($(dwarf-post-unwind),1)
1206 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
1207 endif
1208 $(info )
1209endif
1210
1211$(call detected_var,bindir_SQ)
1212$(call detected_var,PYTHON_WORD)
1213ifneq ($(OUTPUT),)
1214$(call detected_var,OUTPUT)
1215endif
1216$(call detected_var,htmldir_SQ)
1217$(call detected_var,infodir_SQ)
1218$(call detected_var,mandir_SQ)
1219$(call detected_var,ETC_PERFCONFIG_SQ)
1220$(call detected_var,STRACE_GROUPS_DIR_SQ)
1221$(call detected_var,prefix_SQ)
1222$(call detected_var,perfexecdir_SQ)
1223$(call detected_var,perf_include_dir_SQ)
1224$(call detected_var,perf_examples_dir_SQ)
1225$(call detected_var,tipdir_SQ)
1226$(call detected_var,srcdir_SQ)
1227$(call detected_var,LIBDIR)
1228$(call detected_var,GTK_CFLAGS)
1229$(call detected_var,PERL_EMBED_CCOPTS)
1230$(call detected_var,PYTHON_EMBED_CCOPTS)
1231
1232# re-generate FEATURE-DUMP as we may have called feature_check, found out
1233# extra libraries to add to LDFLAGS of some other test and then redo those
1234# tests, see the block about libbfd, disassembler-four-args, for instance.
1235$(shell rm -f $(FEATURE_DUMP_FILENAME))
1236$(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME)))
1237
1238ifeq ($(feature_display),1)
1239 $(call feature_display_entries)
1240endif