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)
274FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
275FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
276
277FEATURE_CHECK_LDFLAGS-libaio = -lrt
278
279FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes -ldl
280
281CORE_CFLAGS += -fno-omit-frame-pointer
282CORE_CFLAGS += -ggdb3
283CORE_CFLAGS += -funwind-tables
284CORE_CFLAGS += -Wall
285CORE_CFLAGS += -Wextra
286CORE_CFLAGS += -std=gnu99
287
288CXXFLAGS += -std=gnu++11 -fno-exceptions -fno-rtti
289CXXFLAGS += -Wall
290CXXFLAGS += -fno-omit-frame-pointer
291CXXFLAGS += -ggdb3
292CXXFLAGS += -funwind-tables
293CXXFLAGS += -Wno-strict-aliasing
294
295# Enforce a non-executable stack, as we may regress (again) in the future by
296# adding assembler files missing the .GNU-stack linker note.
297LDFLAGS += -Wl,-z,noexecstack
298
299EXTLIBS = -lpthread -lrt -lm -ldl
300
301ifneq ($(TCMALLOC),)
302 CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free
303 EXTLIBS += -ltcmalloc
304endif
305
306ifeq ($(FEATURES_DUMP),)
307# We will display at the end of this Makefile.config, using $(call feature_display_entries)
308# As we may retry some feature detection here, see the disassembler-four-args case, for instance
309 FEATURE_DISPLAY_DEFERRED := 1
310include $(srctree)/tools/build/Makefile.feature
311else
312include $(FEATURES_DUMP)
313endif
314
315ifeq ($(feature-stackprotector-all), 1)
316 CORE_CFLAGS += -fstack-protector-all
317endif
318
319ifeq ($(DEBUG),0)
320 ifeq ($(feature-fortify-source), 1)
321 CORE_CFLAGS += -D_FORTIFY_SOURCE=2
322 endif
323endif
324
325INC_FLAGS += -I$(srctree)/tools/lib/perf/include
326INC_FLAGS += -I$(src-perf)/util/include
327INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
328INC_FLAGS += -I$(srctree)/tools/include/
329INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
330INC_FLAGS += -I$(srctree)/tools/include/uapi
331INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
332INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
333
334# $(obj-perf) for generated common-cmds.h
335# $(obj-perf)/util for generated bison/flex headers
336ifneq ($(OUTPUT),)
337INC_FLAGS += -I$(obj-perf)/util
338INC_FLAGS += -I$(obj-perf)
339endif
340
341INC_FLAGS += -I$(src-perf)/util
342INC_FLAGS += -I$(src-perf)
343INC_FLAGS += -I$(srctree)/tools/lib/
344
345CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
346
347CFLAGS += $(CORE_CFLAGS) $(INC_FLAGS)
348CXXFLAGS += $(INC_FLAGS)
349
350LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS)
351
352ifeq ($(feature-pthread-attr-setaffinity-np), 1)
353 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
354endif
355
356ifeq ($(feature-pthread-barrier), 1)
357 CFLAGS += -DHAVE_PTHREAD_BARRIER
358endif
359
360ifndef NO_BIONIC
361 $(call feature_check,bionic)
362 ifeq ($(feature-bionic), 1)
363 BIONIC := 1
364 CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE
365 CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE
366 EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
367 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
368 endif
369endif
370
371ifeq ($(feature-eventfd), 1)
372 CFLAGS += -DHAVE_EVENTFD_SUPPORT
373endif
374
375ifeq ($(feature-get_current_dir_name), 1)
376 CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME
377endif
378
379ifeq ($(feature-gettid), 1)
380 CFLAGS += -DHAVE_GETTID
381endif
382
383ifeq ($(feature-file-handle), 1)
384 CFLAGS += -DHAVE_FILE_HANDLE
385endif
386
387ifdef NO_LIBELF
388 NO_DWARF := 1
389 NO_DEMANGLE := 1
390 NO_LIBUNWIND := 1
391 NO_LIBDW_DWARF_UNWIND := 1
392 NO_LIBBPF := 1
393 NO_JVMTI := 1
394else
395 ifeq ($(feature-libelf), 0)
396 ifeq ($(feature-glibc), 1)
397 LIBC_SUPPORT := 1
398 endif
399 ifeq ($(BIONIC),1)
400 LIBC_SUPPORT := 1
401 endif
402 ifeq ($(LIBC_SUPPORT),1)
403 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);
404
405 NO_LIBELF := 1
406 NO_DWARF := 1
407 NO_DEMANGLE := 1
408 NO_LIBUNWIND := 1
409 NO_LIBDW_DWARF_UNWIND := 1
410 NO_LIBBPF := 1
411 NO_JVMTI := 1
412 else
413 ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),)
414 ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0)
415 msg := $(error No libasan found, please install libasan);
416 endif
417 endif
418
419 ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),)
420 ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0)
421 msg := $(error No libubsan found, please install libubsan);
422 endif
423 endif
424
425 ifneq ($(filter s% -static%,$(LDFLAGS),),)
426 msg := $(error No static glibc found, please install glibc-static);
427 else
428 msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
429 endif
430 endif
431 else
432 ifndef NO_LIBDW_DWARF_UNWIND
433 ifneq ($(feature-libdw-dwarf-unwind),1)
434 NO_LIBDW_DWARF_UNWIND := 1
435 msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
436 endif
437 endif
438 ifneq ($(feature-dwarf), 1)
439 ifndef NO_DWARF
440 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);
441 NO_DWARF := 1
442 endif
443 else
444 ifneq ($(feature-dwarf_getlocations), 1)
445 msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
446 else
447 CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT
448 endif # dwarf_getlocations
449 endif # Dwarf support
450 endif # libelf support
451endif # NO_LIBELF
452
453ifeq ($(feature-glibc), 1)
454 CFLAGS += -DHAVE_GLIBC_SUPPORT
455endif
456
457ifeq ($(feature-libaio), 1)
458 ifndef NO_AIO
459 CFLAGS += -DHAVE_AIO_SUPPORT
460 endif
461endif
462
463ifdef NO_DWARF
464 NO_LIBDW_DWARF_UNWIND := 1
465endif
466
467ifeq ($(feature-sched_getcpu), 1)
468 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
469endif
470
471ifeq ($(feature-setns), 1)
472 CFLAGS += -DHAVE_SETNS_SUPPORT
473 $(call detected,CONFIG_SETNS)
474endif
475
476ifdef CORESIGHT
477 $(call feature_check,libopencsd)
478 ifeq ($(feature-libopencsd), 1)
479 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
480 ifeq ($(feature-reallocarray), 0)
481 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
482 endif
483 LDFLAGS += $(LIBOPENCSD_LDFLAGS)
484 EXTLIBS += $(OPENCSDLIBS)
485 $(call detected,CONFIG_LIBOPENCSD)
486 ifdef CSTRACE_RAW
487 CFLAGS += -DCS_DEBUG_RAW
488 ifeq (${CSTRACE_RAW}, packed)
489 CFLAGS += -DCS_RAW_PACKED
490 endif
491 endif
492 else
493 dummy := $(error Error: No libopencsd library found or the version is not up-to-date. Please install recent libopencsd to build with CORESIGHT=1)
494 endif
495endif
496
497ifndef NO_LIBELF
498 CFLAGS += -DHAVE_LIBELF_SUPPORT
499 EXTLIBS += -lelf
500 $(call detected,CONFIG_LIBELF)
501
502 ifeq ($(feature-libelf-getphdrnum), 1)
503 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
504 endif
505
506 ifeq ($(feature-libelf-gelf_getnote), 1)
507 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
508 else
509 msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
510 endif
511
512 ifeq ($(feature-libelf-getshdrstrndx), 1)
513 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
514 endif
515
516 ifndef NO_LIBDEBUGINFOD
517 $(call feature_check,libdebuginfod)
518 ifeq ($(feature-libdebuginfod), 1)
519 CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT
520 EXTLIBS += -ldebuginfod
521 endif
522 endif
523
524 ifndef NO_DWARF
525 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
526 msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
527 NO_DWARF := 1
528 else
529 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
530 LDFLAGS += $(LIBDW_LDFLAGS)
531 EXTLIBS += ${DWARFLIBS}
532 $(call detected,CONFIG_DWARF)
533 endif # PERF_HAVE_DWARF_REGS
534 endif # NO_DWARF
535
536 ifndef NO_LIBBPF
537 ifeq ($(feature-bpf), 1)
538 CFLAGS += -DHAVE_LIBBPF_SUPPORT
539 $(call detected,CONFIG_LIBBPF)
540
541 # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status
542 $(call feature_check,libbpf)
543 ifdef LIBBPF_DYNAMIC
544 ifeq ($(feature-libbpf), 1)
545 EXTLIBS += -lbpf
546 $(call detected,CONFIG_LIBBPF_DYNAMIC)
547 else
548 dummy := $(error Error: No libbpf devel library found, please install libbpf-devel);
549 endif
550 endif
551 endif
552
553 ifndef NO_DWARF
554 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
555 CFLAGS += -DHAVE_BPF_PROLOGUE
556 $(call detected,CONFIG_BPF_PROLOGUE)
557 else
558 msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset());
559 endif
560 else
561 msg := $(warning DWARF support is off, BPF prologue is disabled);
562 endif
563
564 endif # NO_LIBBPF
565endif # NO_LIBELF
566
567ifndef NO_SDT
568 ifneq ($(feature-sdt), 1)
569 msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
570 NO_SDT := 1;
571 else
572 CFLAGS += -DHAVE_SDT_EVENT
573 $(call detected,CONFIG_SDT_EVENT)
574 endif
575endif
576
577ifdef PERF_HAVE_JITDUMP
578 ifndef NO_LIBELF
579 $(call detected,CONFIG_JITDUMP)
580 CFLAGS += -DHAVE_JITDUMP
581 endif
582endif
583
584ifeq ($(SRCARCH),powerpc)
585 ifndef NO_DWARF
586 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
587 endif
588endif
589
590ifndef NO_LIBUNWIND
591 have_libunwind :=
592
593 $(call feature_check,libunwind-x86)
594 ifeq ($(feature-libunwind-x86), 1)
595 $(call detected,CONFIG_LIBUNWIND_X86)
596 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
597 LDFLAGS += -lunwind-x86
598 EXTLIBS_LIBUNWIND += -lunwind-x86
599 have_libunwind = 1
600 endif
601
602 $(call feature_check,libunwind-aarch64)
603 ifeq ($(feature-libunwind-aarch64), 1)
604 $(call detected,CONFIG_LIBUNWIND_AARCH64)
605 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
606 LDFLAGS += -lunwind-aarch64
607 EXTLIBS_LIBUNWIND += -lunwind-aarch64
608 have_libunwind = 1
609 $(call feature_check,libunwind-debug-frame-aarch64)
610 ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
611 msg := $(warning No debug_frame support found in libunwind-aarch64);
612 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
613 endif
614 endif
615
616 ifneq ($(feature-libunwind), 1)
617 msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
618 NO_LOCAL_LIBUNWIND := 1
619 else
620 have_libunwind := 1
621 $(call detected,CONFIG_LOCAL_LIBUNWIND)
622 endif
623
624 ifneq ($(have_libunwind), 1)
625 NO_LIBUNWIND := 1
626 endif
627else
628 NO_LOCAL_LIBUNWIND := 1
629endif
630
631ifndef NO_LIBBPF
632 ifneq ($(feature-bpf), 1)
633 msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
634 NO_LIBBPF := 1
635 endif
636endif
637
638ifdef BUILD_BPF_SKEL
639 $(call feature_check,clang-bpf-co-re)
640 ifeq ($(feature-clang-bpf-co-re), 0)
641 dummy := $(error Error: clang too old/not installed. Please install recent clang to build with BUILD_BPF_SKEL)
642 endif
643 $(call detected,CONFIG_PERF_BPF_SKEL)
644 CFLAGS += -DHAVE_BPF_SKEL
645endif
646
647dwarf-post-unwind := 1
648dwarf-post-unwind-text := BUG
649
650# setup DWARF post unwinder
651ifdef NO_LIBUNWIND
652 ifdef NO_LIBDW_DWARF_UNWIND
653 msg := $(warning Disabling post unwind, no support found.);
654 dwarf-post-unwind := 0
655 else
656 dwarf-post-unwind-text := libdw
657 $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
658 endif
659else
660 dwarf-post-unwind-text := libunwind
661 $(call detected,CONFIG_LIBUNWIND)
662 # Enable libunwind support by default.
663 ifndef NO_LIBDW_DWARF_UNWIND
664 NO_LIBDW_DWARF_UNWIND := 1
665 endif
666endif
667
668ifeq ($(dwarf-post-unwind),1)
669 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
670 $(call detected,CONFIG_DWARF_UNWIND)
671else
672 NO_DWARF_UNWIND := 1
673endif
674
675ifndef NO_LOCAL_LIBUNWIND
676 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
677 $(call feature_check,libunwind-debug-frame)
678 ifneq ($(feature-libunwind-debug-frame), 1)
679 msg := $(warning No debug_frame support found in libunwind);
680 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
681 endif
682 else
683 # non-ARM has no dwarf_find_debug_frame() function:
684 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
685 endif
686 EXTLIBS += $(LIBUNWIND_LIBS)
687 LDFLAGS += $(LIBUNWIND_LIBS)
688endif
689ifeq ($(findstring -static,${LDFLAGS}),-static)
690 # gcc -static links libgcc_eh which contans piece of libunwind
691 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
692endif
693
694ifndef NO_LIBUNWIND
695 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
696 CFLAGS += $(LIBUNWIND_CFLAGS)
697 LDFLAGS += $(LIBUNWIND_LDFLAGS)
698 EXTLIBS += $(EXTLIBS_LIBUNWIND)
699endif
700
701ifeq ($(NO_SYSCALL_TABLE),0)
702 $(call detected,CONFIG_TRACE)
703else
704 ifndef NO_LIBAUDIT
705 $(call feature_check,libaudit)
706 ifneq ($(feature-libaudit), 1)
707 msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
708 NO_LIBAUDIT := 1
709 else
710 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
711 EXTLIBS += -laudit
712 $(call detected,CONFIG_TRACE)
713 endif
714 endif
715endif
716
717ifndef NO_LIBCRYPTO
718 ifneq ($(feature-libcrypto), 1)
719 msg := $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev);
720 NO_LIBCRYPTO := 1
721 else
722 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
723 EXTLIBS += -lcrypto
724 $(call detected,CONFIG_CRYPTO)
725 endif
726endif
727
728ifdef NO_NEWT
729 NO_SLANG=1
730endif
731
732ifndef NO_SLANG
733 ifneq ($(feature-libslang), 1)
734 ifneq ($(feature-libslang-include-subdir), 1)
735 msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
736 NO_SLANG := 1
737 else
738 CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR
739 endif
740 endif
741 ifndef NO_SLANG
742 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
743 CFLAGS += -DHAVE_SLANG_SUPPORT
744 EXTLIBS += -lslang
745 $(call detected,CONFIG_SLANG)
746 endif
747endif
748
749ifdef GTK2
750 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
751 $(call feature_check,gtk2)
752 ifneq ($(feature-gtk2), 1)
753 msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
754 NO_GTK2 := 1
755 else
756 $(call feature_check,gtk2-infobar)
757 ifeq ($(feature-gtk2-infobar), 1)
758 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
759 endif
760 CFLAGS += -DHAVE_GTK2_SUPPORT
761 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
762 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
763 EXTLIBS += -ldl
764 endif
765endif
766
767ifdef NO_LIBPERL
768 CFLAGS += -DNO_LIBPERL
769else
770 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
771 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
772 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
773 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
774 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
775 PERL_EMBED_CCOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(PERL_EMBED_CCOPTS))
776 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
777 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
778
779 ifneq ($(feature-libperl), 1)
780 CFLAGS += -DNO_LIBPERL
781 NO_LIBPERL := 1
782 msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
783 else
784 LDFLAGS += $(PERL_EMBED_LDFLAGS)
785 EXTLIBS += $(PERL_EMBED_LIBADD)
786 CFLAGS += -DHAVE_LIBPERL_SUPPORT
787 $(call detected,CONFIG_LIBPERL)
788 endif
789endif
790
791ifeq ($(feature-timerfd), 1)
792 CFLAGS += -DHAVE_TIMERFD_SUPPORT
793else
794 msg := $(warning No timerfd support. Disables 'perf kvm stat live');
795endif
796
797disable-python = $(eval $(disable-python_code))
798define disable-python_code
799 CFLAGS += -DNO_LIBPYTHON
800 $(warning $1)
801 NO_LIBPYTHON := 1
802endef
803
804ifdef NO_LIBPYTHON
805 $(call disable-python,Python support disabled by user)
806else
807
808 ifndef PYTHON
809 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
810 else
811 PYTHON_WORD := $(call shell-wordify,$(PYTHON))
812
813 ifndef PYTHON_CONFIG
814 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
815 else
816
817 ifneq ($(feature-libpython), 1)
818 $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
819 else
820 LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
821 EXTLIBS += $(PYTHON_EMBED_LIBADD)
822 LANG_BINDINGS += $(obj-perf)python/perf.so
823 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
824 $(call detected,CONFIG_LIBPYTHON)
825 endif
826 endif
827 endif
828endif
829
830
831ifndef NO_LIBBFD
832 ifeq ($(feature-libbfd), 1)
833 EXTLIBS += -lbfd -lopcodes
834 else
835 # we are on a system that requires -liberty and (maybe) -lz
836 # to link against -lbfd; test each case individually here
837
838 # call all detections now so we get correct
839 # status in VF output
840 $(call feature_check,libbfd-liberty)
841 $(call feature_check,libbfd-liberty-z)
842
843 ifeq ($(feature-libbfd-liberty), 1)
844 EXTLIBS += -lbfd -lopcodes -liberty
845 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl
846 else
847 ifeq ($(feature-libbfd-liberty-z), 1)
848 EXTLIBS += -lbfd -lopcodes -liberty -lz
849 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl
850 endif
851 endif
852 $(call feature_check,disassembler-four-args)
853 endif
854
855 ifeq ($(feature-libbfd-buildid), 1)
856 CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT
857 else
858 msg := $(warning Old version of libbfd/binutils things like PE executable profiling will not be available);
859 endif
860endif
861
862ifdef NO_DEMANGLE
863 CFLAGS += -DNO_DEMANGLE
864else
865 ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
866 EXTLIBS += -liberty
867 else
868 ifeq ($(filter -liberty,$(EXTLIBS)),)
869 $(call feature_check,cplus-demangle)
870
871 # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
872 # or any of 'bfd iberty z' trinity
873 ifeq ($(feature-cplus-demangle), 1)
874 EXTLIBS += -liberty
875 else
876 msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
877 CFLAGS += -DNO_DEMANGLE
878 endif
879 endif
880 endif
881
882 ifneq ($(filter -liberty,$(EXTLIBS)),)
883 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
884 endif
885endif
886
887ifneq ($(filter -lbfd,$(EXTLIBS)),)
888 CFLAGS += -DHAVE_LIBBFD_SUPPORT
889endif
890
891ifndef NO_ZLIB
892 ifeq ($(feature-zlib), 1)
893 CFLAGS += -DHAVE_ZLIB_SUPPORT
894 EXTLIBS += -lz
895 $(call detected,CONFIG_ZLIB)
896 else
897 NO_ZLIB := 1
898 endif
899endif
900
901ifndef NO_LZMA
902 ifeq ($(feature-lzma), 1)
903 CFLAGS += -DHAVE_LZMA_SUPPORT
904 EXTLIBS += -llzma
905 $(call detected,CONFIG_LZMA)
906 else
907 msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
908 NO_LZMA := 1
909 endif
910endif
911
912ifndef NO_LIBZSTD
913 ifeq ($(feature-libzstd), 1)
914 CFLAGS += -DHAVE_ZSTD_SUPPORT
915 CFLAGS += $(LIBZSTD_CFLAGS)
916 LDFLAGS += $(LIBZSTD_LDFLAGS)
917 EXTLIBS += -lzstd
918 $(call detected,CONFIG_ZSTD)
919 else
920 msg := $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR);
921 NO_LIBZSTD := 1
922 endif
923endif
924
925ifndef NO_LIBCAP
926 ifeq ($(feature-libcap), 1)
927 CFLAGS += -DHAVE_LIBCAP_SUPPORT
928 EXTLIBS += -lcap
929 $(call detected,CONFIG_LIBCAP)
930 else
931 msg := $(warning No libcap found, disables capability support, please install libcap-devel/libcap-dev);
932 NO_LIBCAP := 1
933 endif
934endif
935
936ifndef NO_BACKTRACE
937 ifeq ($(feature-backtrace), 1)
938 CFLAGS += -DHAVE_BACKTRACE_SUPPORT
939 endif
940endif
941
942ifndef NO_LIBNUMA
943 ifeq ($(feature-libnuma), 0)
944 msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
945 NO_LIBNUMA := 1
946 else
947 ifeq ($(feature-numa_num_possible_cpus), 0)
948 msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
949 NO_LIBNUMA := 1
950 else
951 CFLAGS += -DHAVE_LIBNUMA_SUPPORT
952 EXTLIBS += -lnuma
953 $(call detected,CONFIG_NUMA)
954 endif
955 endif
956endif
957
958ifdef HAVE_KVM_STAT_SUPPORT
959 CFLAGS += -DHAVE_KVM_STAT_SUPPORT
960endif
961
962ifeq ($(feature-disassembler-four-args), 1)
963 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
964endif
965
966ifeq (${IS_64_BIT}, 1)
967 ifndef NO_PERF_READ_VDSO32
968 $(call feature_check,compile-32)
969 ifeq ($(feature-compile-32), 1)
970 CFLAGS += -DHAVE_PERF_READ_VDSO32
971 else
972 NO_PERF_READ_VDSO32 := 1
973 endif
974 endif
975 ifneq ($(SRCARCH), x86)
976 NO_PERF_READ_VDSOX32 := 1
977 endif
978 ifndef NO_PERF_READ_VDSOX32
979 $(call feature_check,compile-x32)
980 ifeq ($(feature-compile-x32), 1)
981 CFLAGS += -DHAVE_PERF_READ_VDSOX32
982 else
983 NO_PERF_READ_VDSOX32 := 1
984 endif
985 endif
986else
987 NO_PERF_READ_VDSO32 := 1
988 NO_PERF_READ_VDSOX32 := 1
989endif
990
991ifndef NO_LIBBABELTRACE
992 $(call feature_check,libbabeltrace)
993 ifeq ($(feature-libbabeltrace), 1)
994 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
995 LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
996 EXTLIBS += -lbabeltrace-ctf
997 $(call detected,CONFIG_LIBBABELTRACE)
998 else
999 msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
1000 endif
1001endif
1002
1003ifndef NO_AUXTRACE
1004 ifeq ($(SRCARCH),x86)
1005 ifeq ($(feature-get_cpuid), 0)
1006 msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
1007 NO_AUXTRACE := 1
1008 endif
1009 endif
1010 ifndef NO_AUXTRACE
1011 $(call detected,CONFIG_AUXTRACE)
1012 CFLAGS += -DHAVE_AUXTRACE_SUPPORT
1013 endif
1014endif
1015
1016ifndef NO_JVMTI
1017 ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
1018 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
1019 else
1020 ifneq (,$(wildcard /usr/sbin/alternatives))
1021 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g')
1022 endif
1023 endif
1024 ifndef JDIR
1025 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
1026 NO_JVMTI := 1
1027 endif
1028endif
1029
1030ifndef NO_JVMTI
1031 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
1032 $(call feature_check,jvmti)
1033 ifeq ($(feature-jvmti), 1)
1034 $(call detected_var,JDIR)
1035 ifndef NO_JVMTI_CMLR
1036 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti)
1037 $(call feature_check,jvmti-cmlr)
1038 ifeq ($(feature-jvmti-cmlr), 1)
1039 CFLAGS += -DHAVE_JVMTI_CMLR
1040 endif
1041 endif # NO_JVMTI_CMLR
1042 else
1043 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel)
1044 NO_JVMTI := 1
1045 endif
1046endif
1047
1048USE_CXX = 0
1049USE_CLANGLLVM = 0
1050ifdef LIBCLANGLLVM
1051 $(call feature_check,cxx)
1052 ifneq ($(feature-cxx), 1)
1053 msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
1054 else
1055 $(call feature_check,llvm)
1056 $(call feature_check,llvm-version)
1057 ifneq ($(feature-llvm), 1)
1058 msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
1059 else
1060 $(call feature_check,clang)
1061 ifneq ($(feature-clang), 1)
1062 msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
1063 else
1064 CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
1065 CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
1066 $(call detected,CONFIG_CXX)
1067 $(call detected,CONFIG_CLANGLLVM)
1068 USE_CXX = 1
1069 USE_LLVM = 1
1070 USE_CLANG = 1
1071 ifneq ($(feature-llvm-version),1)
1072 msg := $(warning This version of LLVM is not tested. May cause build errors)
1073 endif
1074 endif
1075 endif
1076 endif
1077endif
1078
1079ifdef LIBPFM4
1080 $(call feature_check,libpfm4)
1081 ifeq ($(feature-libpfm4), 1)
1082 CFLAGS += -DHAVE_LIBPFM
1083 EXTLIBS += -lpfm
1084 ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1
1085 $(call detected,CONFIG_LIBPFM4)
1086 else
1087 msg := $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev);
1088 NO_LIBPFM4 := 1
1089 endif
1090endif
1091
1092ifdef LIBTRACEEVENT_DYNAMIC
1093 $(call feature_check,libtraceevent)
1094 ifeq ($(feature-libtraceevent), 1)
1095 EXTLIBS += -ltraceevent
1096 else
1097 dummy := $(error Error: No libtraceevent devel library found, please install libtraceevent-devel);
1098 endif
1099endif
1100
1101# Among the variables below, these:
1102# perfexecdir
1103# perf_include_dir
1104# perf_examples_dir
1105# template_dir
1106# mandir
1107# infodir
1108# htmldir
1109# ETC_PERFCONFIG (but not sysconfdir)
1110# can be specified as a relative path some/where/else;
1111# this is interpreted as relative to $(prefix) and "perf" at
1112# runtime figures out where they are based on the path to the executable.
1113# This can help installing the suite in a relocatable way.
1114
1115# Make the path relative to DESTDIR, not to prefix
1116ifndef DESTDIR
1117prefix ?= $(HOME)
1118endif
1119bindir_relative = bin
1120bindir = $(abspath $(prefix)/$(bindir_relative))
1121includedir_relative = include
1122includedir = $(abspath $(prefix)/$(includedir_relative))
1123mandir = share/man
1124infodir = share/info
1125perfexecdir = libexec/perf-core
1126perf_include_dir = lib/perf/include
1127perf_examples_dir = lib/perf/examples
1128sharedir = $(prefix)/share
1129template_dir = share/perf-core/templates
1130STRACE_GROUPS_DIR = share/perf-core/strace/groups
1131htmldir = share/doc/perf-doc
1132tipdir = share/doc/perf-tip
1133srcdir = $(srctree)/tools/perf
1134ifeq ($(prefix),/usr)
1135sysconfdir = /etc
1136ETC_PERFCONFIG = $(sysconfdir)/perfconfig
1137else
1138sysconfdir = $(prefix)/etc
1139ETC_PERFCONFIG = etc/perfconfig
1140endif
1141ifndef lib
1142ifeq ($(SRCARCH)$(IS_64_BIT), x861)
1143lib = lib64
1144else
1145lib = lib
1146endif
1147endif # lib
1148libdir = $(prefix)/$(lib)
1149
1150# Shell quote (do not use $(call) to accommodate ancient setups);
1151ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
1152STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
1153DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
1154bindir_SQ = $(subst ','\'',$(bindir))
1155includedir_SQ = $(subst ','\'',$(includedir))
1156mandir_SQ = $(subst ','\'',$(mandir))
1157infodir_SQ = $(subst ','\'',$(infodir))
1158perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
1159perf_include_dir_SQ = $(subst ','\'',$(perf_include_dir))
1160perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir))
1161template_dir_SQ = $(subst ','\'',$(template_dir))
1162htmldir_SQ = $(subst ','\'',$(htmldir))
1163tipdir_SQ = $(subst ','\'',$(tipdir))
1164prefix_SQ = $(subst ','\'',$(prefix))
1165sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
1166libdir_SQ = $(subst ','\'',$(libdir))
1167srcdir_SQ = $(subst ','\'',$(srcdir))
1168
1169ifneq ($(filter /%,$(firstword $(perfexecdir))),)
1170perfexec_instdir = $(perfexecdir)
1171perf_include_instdir = $(perf_include_dir)
1172perf_examples_instdir = $(perf_examples_dir)
1173STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
1174tip_instdir = $(tipdir)
1175else
1176perfexec_instdir = $(prefix)/$(perfexecdir)
1177perf_include_instdir = $(prefix)/$(perf_include_dir)
1178perf_examples_instdir = $(prefix)/$(perf_examples_dir)
1179STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
1180tip_instdir = $(prefix)/$(tipdir)
1181endif
1182perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
1183perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir))
1184perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir))
1185STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
1186tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
1187
1188# If we install to $(HOME) we keep the traceevent default:
1189# $(HOME)/.traceevent/plugins
1190# Otherwise we install plugins into the global $(libdir).
1191ifdef DESTDIR
1192plugindir=$(libdir)/traceevent/plugins
1193plugindir_SQ= $(subst ','\'',$(plugindir))
1194endif
1195
1196print_var = $(eval $(print_var_code)) $(info $(MSG))
1197define print_var_code
1198 MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
1199endef
1200
1201ifeq ($(VF),1)
1202 # Display EXTRA features which are detected manualy
1203 # from here with feature_check call and thus cannot
1204 # be partof global state output.
1205 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),))
1206 $(call print_var,prefix)
1207 $(call print_var,bindir)
1208 $(call print_var,libdir)
1209 $(call print_var,sysconfdir)
1210 $(call print_var,LIBUNWIND_DIR)
1211 $(call print_var,LIBDW_DIR)
1212 $(call print_var,JDIR)
1213
1214 ifeq ($(dwarf-post-unwind),1)
1215 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
1216 endif
1217 $(info )
1218endif
1219
1220$(call detected_var,bindir_SQ)
1221$(call detected_var,PYTHON_WORD)
1222ifneq ($(OUTPUT),)
1223$(call detected_var,OUTPUT)
1224endif
1225$(call detected_var,htmldir_SQ)
1226$(call detected_var,infodir_SQ)
1227$(call detected_var,mandir_SQ)
1228$(call detected_var,ETC_PERFCONFIG_SQ)
1229$(call detected_var,STRACE_GROUPS_DIR_SQ)
1230$(call detected_var,prefix_SQ)
1231$(call detected_var,perfexecdir_SQ)
1232$(call detected_var,perf_include_dir_SQ)
1233$(call detected_var,perf_examples_dir_SQ)
1234$(call detected_var,tipdir_SQ)
1235$(call detected_var,srcdir_SQ)
1236$(call detected_var,LIBDIR)
1237$(call detected_var,GTK_CFLAGS)
1238$(call detected_var,PERL_EMBED_CCOPTS)
1239$(call detected_var,PYTHON_EMBED_CCOPTS)
1240ifneq ($(BISON_FILE_PREFIX_MAP),)
1241$(call detected_var,BISON_FILE_PREFIX_MAP)
1242endif
1243
1244# re-generate FEATURE-DUMP as we may have called feature_check, found out
1245# extra libraries to add to LDFLAGS of some other test and then redo those
1246# tests, see the block about libbfd, disassembler-four-args, for instance.
1247$(shell rm -f $(FEATURE_DUMP_FILENAME))
1248$(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME)))
1249
1250ifeq ($(feature_display),1)
1251 $(call feature_display_entries)
1252endif