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