Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1
2ifeq ($(src-perf),)
3src-perf := $(srctree)/tools/perf
4endif
5
6ifeq ($(obj-perf),)
7obj-perf := $(OUTPUT)
8endif
9
10ifneq ($(obj-perf),)
11obj-perf := $(abspath $(obj-perf))/
12endif
13
14$(shell printf "" > $(OUTPUT).config-detected)
15detected = $(shell echo "$(1)=y" >> $(OUTPUT).config-detected)
16detected_var = $(shell echo "$(1)=$($(1))" >> $(OUTPUT).config-detected)
17
18CFLAGS := $(EXTRA_CFLAGS) $(EXTRA_WARNINGS)
19
20include $(srctree)/tools/scripts/Makefile.arch
21
22$(call detected_var,ARCH)
23
24NO_PERF_REGS := 1
25
26# Additional ARCH settings for ppc
27ifeq ($(ARCH),powerpc)
28 NO_PERF_REGS := 0
29 LIBUNWIND_LIBS := -lunwind -lunwind-ppc64
30endif
31
32# Additional ARCH settings for x86
33ifeq ($(ARCH),x86)
34 $(call detected,CONFIG_X86)
35 ifeq (${IS_64_BIT}, 1)
36 CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT -DHAVE_SYSCALL_TABLE -I$(OUTPUT)arch/x86/include/generated
37 ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
38 LIBUNWIND_LIBS = -lunwind -lunwind-x86_64
39 $(call detected,CONFIG_X86_64)
40 else
41 LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind
42 endif
43 NO_PERF_REGS := 0
44endif
45
46ifeq ($(ARCH),arm)
47 NO_PERF_REGS := 0
48 LIBUNWIND_LIBS = -lunwind -lunwind-arm
49endif
50
51ifeq ($(ARCH),arm64)
52 NO_PERF_REGS := 0
53 LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
54endif
55
56ifeq ($(NO_PERF_REGS),0)
57 $(call detected,CONFIG_PERF_REGS)
58endif
59
60# So far there's only x86 and arm libdw unwind support merged in perf.
61# Disable it on all other architectures in case libdw unwind
62# support is detected in system. Add supported architectures
63# to the check.
64ifneq ($(ARCH),$(filter $(ARCH),x86 arm))
65 NO_LIBDW_DWARF_UNWIND := 1
66endif
67
68ifeq ($(LIBUNWIND_LIBS),)
69 NO_LIBUNWIND := 1
70endif
71#
72# For linking with debug library, run like:
73#
74# make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
75#
76ifdef LIBUNWIND_DIR
77 LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include
78 LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
79endif
80LIBUNWIND_LDFLAGS += $(LIBUNWIND_LIBS)
81
82# Set per-feature check compilation flags
83FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
84FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS)
85FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
86FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS)
87
88ifeq ($(NO_PERF_REGS),0)
89 CFLAGS += -DHAVE_PERF_REGS_SUPPORT
90endif
91
92# for linking with debug library, run like:
93# make DEBUG=1 LIBDW_DIR=/opt/libdw/
94ifdef LIBDW_DIR
95 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include
96 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
97endif
98FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
99FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) -ldw
100
101# for linking with debug library, run like:
102# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
103ifdef LIBBABELTRACE_DIR
104 LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include
105 LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
106endif
107FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
108FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
109
110FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/arch/$(ARCH)/include/uapi -I$(srctree)/include/uapi
111# include ARCH specific config
112-include $(src-perf)/arch/$(ARCH)/Makefile
113
114ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
115 CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
116endif
117
118include $(srctree)/tools/scripts/utilities.mak
119
120ifeq ($(call get-executable,$(FLEX)),)
121 dummy := $(error Error: $(FLEX) is missing on this system, please install it)
122endif
123
124ifeq ($(call get-executable,$(BISON)),)
125 dummy := $(error Error: $(BISON) is missing on this system, please install it)
126endif
127
128# Treat warnings as errors unless directed not to
129ifneq ($(WERROR),0)
130 CFLAGS += -Werror
131endif
132
133ifndef DEBUG
134 DEBUG := 0
135endif
136
137ifeq ($(DEBUG),0)
138 CFLAGS += -O6
139endif
140
141ifdef PARSER_DEBUG
142 PARSER_DEBUG_BISON := -t
143 PARSER_DEBUG_FLEX := -d
144 CFLAGS += -DPARSER_DEBUG
145 $(call detected_var,PARSER_DEBUG_BISON)
146 $(call detected_var,PARSER_DEBUG_FLEX)
147endif
148
149# Try different combinations to accommodate systems that only have
150# python[2][-config] in weird combinations but always preferring
151# python2 and python2-config as per pep-0394. If we catch a
152# python[-config] in version 3, the version check will kill it.
153PYTHON2 := $(if $(call get-executable,python2),python2,python)
154override PYTHON := $(call get-executable-or-default,PYTHON,$(PYTHON2))
155PYTHON2_CONFIG := \
156 $(if $(call get-executable,$(PYTHON)-config),$(PYTHON)-config,python-config)
157override PYTHON_CONFIG := \
158 $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON2_CONFIG))
159
160PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
161
162PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
163PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
164
165FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
166FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
167FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
168FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
169
170CFLAGS += -fno-omit-frame-pointer
171CFLAGS += -ggdb3
172CFLAGS += -funwind-tables
173CFLAGS += -Wall
174CFLAGS += -Wextra
175CFLAGS += -std=gnu99
176
177# Enforce a non-executable stack, as we may regress (again) in the future by
178# adding assembler files missing the .GNU-stack linker note.
179LDFLAGS += -Wl,-z,noexecstack
180
181EXTLIBS = -lpthread -lrt -lm -ldl
182
183ifeq ($(FEATURES_DUMP),)
184include $(srctree)/tools/build/Makefile.feature
185else
186include $(FEATURES_DUMP)
187endif
188
189ifeq ($(feature-stackprotector-all), 1)
190 CFLAGS += -fstack-protector-all
191endif
192
193ifeq ($(DEBUG),0)
194 ifeq ($(feature-fortify-source), 1)
195 CFLAGS += -D_FORTIFY_SOURCE=2
196 endif
197endif
198
199CFLAGS += -I$(src-perf)/util/include
200CFLAGS += -I$(src-perf)/arch/$(ARCH)/include
201CFLAGS += -I$(srctree)/tools/include/
202CFLAGS += -I$(srctree)/arch/$(ARCH)/include/uapi
203CFLAGS += -I$(srctree)/arch/$(ARCH)/include
204CFLAGS += -I$(srctree)/include/uapi
205CFLAGS += -I$(srctree)/include
206
207# $(obj-perf) for generated common-cmds.h
208# $(obj-perf)/util for generated bison/flex headers
209ifneq ($(OUTPUT),)
210CFLAGS += -I$(obj-perf)/util
211CFLAGS += -I$(obj-perf)
212endif
213
214CFLAGS += -I$(src-perf)/util
215CFLAGS += -I$(src-perf)
216CFLAGS += -I$(srctree)/tools/lib/
217
218CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
219
220ifeq ($(feature-sync-compare-and-swap), 1)
221 CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
222endif
223
224ifeq ($(feature-pthread-attr-setaffinity-np), 1)
225 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
226endif
227
228ifndef NO_BIONIC
229 $(call feature_check,bionic)
230 ifeq ($(feature-bionic), 1)
231 BIONIC := 1
232 EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
233 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
234 endif
235endif
236
237ifdef NO_LIBELF
238 NO_DWARF := 1
239 NO_DEMANGLE := 1
240 NO_LIBUNWIND := 1
241 NO_LIBDW_DWARF_UNWIND := 1
242 NO_LIBBPF := 1
243else
244 ifeq ($(feature-libelf), 0)
245 ifeq ($(feature-glibc), 1)
246 LIBC_SUPPORT := 1
247 endif
248 ifeq ($(BIONIC),1)
249 LIBC_SUPPORT := 1
250 endif
251 ifeq ($(LIBC_SUPPORT),1)
252 msg := $(warning No libelf found, disables 'probe' tool and BPF support in 'perf record', please install elfutils-libelf-devel/libelf-dev);
253
254 NO_LIBELF := 1
255 NO_DWARF := 1
256 NO_DEMANGLE := 1
257 NO_LIBUNWIND := 1
258 NO_LIBDW_DWARF_UNWIND := 1
259 NO_LIBBPF := 1
260 else
261 ifneq ($(filter s% -static%,$(LDFLAGS),),)
262 msg := $(error No static glibc found, please install glibc-static);
263 else
264 msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
265 endif
266 endif
267 else
268 ifndef NO_LIBDW_DWARF_UNWIND
269 ifneq ($(feature-libdw-dwarf-unwind),1)
270 NO_LIBDW_DWARF_UNWIND := 1
271 msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
272 endif
273 endif
274 ifneq ($(feature-dwarf), 1)
275 msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
276 NO_DWARF := 1
277 else
278 ifneq ($(feature-dwarf_getlocations), 1)
279 msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
280 else
281 CFLAGS += -DHAVE_DWARF_GETLOCATIONS
282 endif # dwarf_getlocations
283 endif # Dwarf support
284 endif # libelf support
285endif # NO_LIBELF
286
287ifdef NO_DWARF
288 NO_LIBDW_DWARF_UNWIND := 1
289endif
290
291ifndef NO_LIBELF
292 CFLAGS += -DHAVE_LIBELF_SUPPORT
293 EXTLIBS += -lelf
294 $(call detected,CONFIG_LIBELF)
295
296 ifeq ($(feature-libelf-mmap), 1)
297 CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
298 endif
299
300 ifeq ($(feature-libelf-getphdrnum), 1)
301 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
302 endif
303
304 ifndef NO_DWARF
305 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
306 msg := $(warning DWARF register mappings have not been defined for architecture $(ARCH), DWARF support disabled);
307 NO_DWARF := 1
308 else
309 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
310 LDFLAGS += $(LIBDW_LDFLAGS)
311 DWARFLIBS := -ldw
312 ifeq ($(findstring -static,${LDFLAGS}),-static)
313 DWARFLIBS += -lelf -lebl -lz -llzma -lbz2
314 endif
315 EXTLIBS += ${DWARFLIBS}
316 $(call detected,CONFIG_DWARF)
317 endif # PERF_HAVE_DWARF_REGS
318 endif # NO_DWARF
319
320 ifndef NO_LIBBPF
321 ifeq ($(feature-bpf), 1)
322 CFLAGS += -DHAVE_LIBBPF_SUPPORT
323 $(call detected,CONFIG_LIBBPF)
324 endif
325
326 ifndef NO_DWARF
327 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
328 CFLAGS += -DHAVE_BPF_PROLOGUE
329 $(call detected,CONFIG_BPF_PROLOGUE)
330 else
331 msg := $(warning BPF prologue is not supported by architecture $(ARCH), missing regs_query_register_offset());
332 endif
333 else
334 msg := $(warning DWARF support is off, BPF prologue is disabled);
335 endif
336
337 endif # NO_LIBBPF
338endif # NO_LIBELF
339
340ifdef PERF_HAVE_JITDUMP
341 ifndef NO_DWARF
342 $(call detected,CONFIG_JITDUMP)
343 CFLAGS += -DHAVE_JITDUMP
344 endif
345endif
346
347ifeq ($(ARCH),powerpc)
348 ifndef NO_DWARF
349 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
350 endif
351endif
352
353ifndef NO_LIBUNWIND
354 ifneq ($(feature-libunwind), 1)
355 msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
356 NO_LIBUNWIND := 1
357 endif
358endif
359
360ifndef NO_LIBBPF
361 ifneq ($(feature-bpf), 1)
362 msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
363 NO_LIBBPF := 1
364 endif
365endif
366
367dwarf-post-unwind := 1
368dwarf-post-unwind-text := BUG
369
370# setup DWARF post unwinder
371ifdef NO_LIBUNWIND
372 ifdef NO_LIBDW_DWARF_UNWIND
373 msg := $(warning Disabling post unwind, no support found.);
374 dwarf-post-unwind := 0
375 else
376 dwarf-post-unwind-text := libdw
377 $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
378 endif
379else
380 dwarf-post-unwind-text := libunwind
381 $(call detected,CONFIG_LIBUNWIND)
382 # Enable libunwind support by default.
383 ifndef NO_LIBDW_DWARF_UNWIND
384 NO_LIBDW_DWARF_UNWIND := 1
385 endif
386endif
387
388ifeq ($(dwarf-post-unwind),1)
389 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
390 $(call detected,CONFIG_DWARF_UNWIND)
391else
392 NO_DWARF_UNWIND := 1
393endif
394
395ifndef NO_LIBUNWIND
396 ifeq ($(ARCH),$(filter $(ARCH),arm arm64))
397 $(call feature_check,libunwind-debug-frame)
398 ifneq ($(feature-libunwind-debug-frame), 1)
399 msg := $(warning No debug_frame support found in libunwind);
400 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
401 endif
402 else
403 # non-ARM has no dwarf_find_debug_frame() function:
404 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
405 endif
406 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
407 EXTLIBS += $(LIBUNWIND_LIBS)
408 CFLAGS += $(LIBUNWIND_CFLAGS)
409 LDFLAGS += $(LIBUNWIND_LDFLAGS)
410endif
411
412ifndef NO_LIBAUDIT
413 ifneq ($(feature-libaudit), 1)
414 msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
415 NO_LIBAUDIT := 1
416 else
417 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
418 EXTLIBS += -laudit
419 $(call detected,CONFIG_AUDIT)
420 endif
421endif
422
423ifndef NO_LIBCRYPTO
424 ifneq ($(feature-libcrypto), 1)
425 msg := $(warning No libcrypto.h found, disables jitted code injection, please install libssl-devel or libssl-dev);
426 NO_LIBCRYPTO := 1
427 else
428 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
429 EXTLIBS += -lcrypto
430 $(call detected,CONFIG_CRYPTO)
431 endif
432endif
433
434ifdef NO_NEWT
435 NO_SLANG=1
436endif
437
438ifndef NO_SLANG
439 ifneq ($(feature-libslang), 1)
440 msg := $(warning slang not found, disables TUI support. Please install slang-devel or libslang-dev);
441 NO_SLANG := 1
442 else
443 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
444 CFLAGS += -I/usr/include/slang
445 CFLAGS += -DHAVE_SLANG_SUPPORT
446 EXTLIBS += -lslang
447 $(call detected,CONFIG_SLANG)
448 endif
449endif
450
451ifndef NO_GTK2
452 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
453 ifneq ($(feature-gtk2), 1)
454 msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
455 NO_GTK2 := 1
456 else
457 ifeq ($(feature-gtk2-infobar), 1)
458 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
459 endif
460 CFLAGS += -DHAVE_GTK2_SUPPORT
461 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
462 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
463 EXTLIBS += -ldl
464 endif
465endif
466
467grep-libs = $(filter -l%,$(1))
468strip-libs = $(filter-out -l%,$(1))
469
470ifdef NO_LIBPERL
471 CFLAGS += -DNO_LIBPERL
472else
473 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
474 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
475 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
476 PERL_EMBED_CCOPTS = `perl -MExtUtils::Embed -e ccopts 2>/dev/null`
477 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
478
479 ifneq ($(feature-libperl), 1)
480 CFLAGS += -DNO_LIBPERL
481 NO_LIBPERL := 1
482 msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
483 else
484 LDFLAGS += $(PERL_EMBED_LDFLAGS)
485 EXTLIBS += $(PERL_EMBED_LIBADD)
486 $(call detected,CONFIG_LIBPERL)
487 endif
488endif
489
490ifeq ($(feature-timerfd), 1)
491 CFLAGS += -DHAVE_TIMERFD_SUPPORT
492else
493 msg := $(warning No timerfd support. Disables 'perf kvm stat live');
494endif
495
496disable-python = $(eval $(disable-python_code))
497define disable-python_code
498 CFLAGS += -DNO_LIBPYTHON
499 $(warning $1)
500 NO_LIBPYTHON := 1
501endef
502
503ifdef NO_LIBPYTHON
504 $(call disable-python,Python support disabled by user)
505else
506
507 ifndef PYTHON
508 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
509 else
510 PYTHON_WORD := $(call shell-wordify,$(PYTHON))
511
512 ifndef PYTHON_CONFIG
513 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
514 else
515
516 PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
517
518 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
519 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
520 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
521 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
522 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
523
524 ifneq ($(feature-libpython), 1)
525 $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
526 else
527
528 ifneq ($(feature-libpython-version), 1)
529 $(warning Python 3 is not yet supported; please set)
530 $(warning PYTHON and/or PYTHON_CONFIG appropriately.)
531 $(warning If you also have Python 2 installed, then)
532 $(warning try something like:)
533 $(warning $(and ,))
534 $(warning $(and ,) make PYTHON=python2)
535 $(warning $(and ,))
536 $(warning Otherwise, disable Python support entirely:)
537 $(warning $(and ,))
538 $(warning $(and ,) make NO_LIBPYTHON=1)
539 $(warning $(and ,))
540 $(error $(and ,))
541 else
542 LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
543 EXTLIBS += $(PYTHON_EMBED_LIBADD)
544 LANG_BINDINGS += $(obj-perf)python/perf.so
545 $(call detected,CONFIG_LIBPYTHON)
546 endif
547 endif
548 endif
549 endif
550endif
551
552ifeq ($(feature-libbfd), 1)
553 EXTLIBS += -lbfd
554
555 # call all detections now so we get correct
556 # status in VF output
557 $(call feature_check,liberty)
558 $(call feature_check,liberty-z)
559 $(call feature_check,cplus-demangle)
560
561 ifeq ($(feature-liberty), 1)
562 EXTLIBS += -liberty
563 else
564 ifeq ($(feature-liberty-z), 1)
565 EXTLIBS += -liberty -lz
566 endif
567 endif
568endif
569
570ifdef NO_DEMANGLE
571 CFLAGS += -DNO_DEMANGLE
572else
573 ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
574 EXTLIBS += -liberty
575 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
576 else
577 ifneq ($(feature-libbfd), 1)
578 ifneq ($(feature-liberty), 1)
579 ifneq ($(feature-liberty-z), 1)
580 # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
581 # or any of 'bfd iberty z' trinity
582 ifeq ($(feature-cplus-demangle), 1)
583 EXTLIBS += -liberty
584 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
585 else
586 msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
587 CFLAGS += -DNO_DEMANGLE
588 endif
589 endif
590 endif
591 endif
592 endif
593endif
594
595ifneq ($(filter -lbfd,$(EXTLIBS)),)
596 CFLAGS += -DHAVE_LIBBFD_SUPPORT
597endif
598
599ifndef NO_ZLIB
600 ifeq ($(feature-zlib), 1)
601 CFLAGS += -DHAVE_ZLIB_SUPPORT
602 EXTLIBS += -lz
603 $(call detected,CONFIG_ZLIB)
604 else
605 NO_ZLIB := 1
606 endif
607endif
608
609ifndef NO_LZMA
610 ifeq ($(feature-lzma), 1)
611 CFLAGS += -DHAVE_LZMA_SUPPORT
612 EXTLIBS += -llzma
613 $(call detected,CONFIG_LZMA)
614 else
615 msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
616 NO_LZMA := 1
617 endif
618endif
619
620ifndef NO_BACKTRACE
621 ifeq ($(feature-backtrace), 1)
622 CFLAGS += -DHAVE_BACKTRACE_SUPPORT
623 endif
624endif
625
626ifndef NO_LIBNUMA
627 ifeq ($(feature-libnuma), 0)
628 msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
629 NO_LIBNUMA := 1
630 else
631 ifeq ($(feature-numa_num_possible_cpus), 0)
632 msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
633 NO_LIBNUMA := 1
634 else
635 CFLAGS += -DHAVE_LIBNUMA_SUPPORT
636 EXTLIBS += -lnuma
637 $(call detected,CONFIG_NUMA)
638 endif
639 endif
640endif
641
642ifdef HAVE_KVM_STAT_SUPPORT
643 CFLAGS += -DHAVE_KVM_STAT_SUPPORT
644endif
645
646ifeq (${IS_64_BIT}, 1)
647 ifndef NO_PERF_READ_VDSO32
648 $(call feature_check,compile-32)
649 ifeq ($(feature-compile-32), 1)
650 CFLAGS += -DHAVE_PERF_READ_VDSO32
651 else
652 NO_PERF_READ_VDSO32 := 1
653 endif
654 endif
655 ifneq ($(ARCH), x86)
656 NO_PERF_READ_VDSOX32 := 1
657 endif
658 ifndef NO_PERF_READ_VDSOX32
659 $(call feature_check,compile-x32)
660 ifeq ($(feature-compile-x32), 1)
661 CFLAGS += -DHAVE_PERF_READ_VDSOX32
662 else
663 NO_PERF_READ_VDSOX32 := 1
664 endif
665 endif
666else
667 NO_PERF_READ_VDSO32 := 1
668 NO_PERF_READ_VDSOX32 := 1
669endif
670
671ifdef LIBBABELTRACE
672 $(call feature_check,libbabeltrace)
673 ifeq ($(feature-libbabeltrace), 1)
674 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
675 LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
676 EXTLIBS += -lbabeltrace-ctf
677 $(call detected,CONFIG_LIBBABELTRACE)
678 else
679 msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
680 endif
681endif
682
683ifndef NO_AUXTRACE
684 ifeq ($(feature-get_cpuid), 0)
685 msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
686 NO_AUXTRACE := 1
687 else
688 $(call detected,CONFIG_AUXTRACE)
689 CFLAGS += -DHAVE_AUXTRACE_SUPPORT
690 endif
691endif
692
693# Among the variables below, these:
694# perfexecdir
695# template_dir
696# mandir
697# infodir
698# htmldir
699# ETC_PERFCONFIG (but not sysconfdir)
700# can be specified as a relative path some/where/else;
701# this is interpreted as relative to $(prefix) and "perf" at
702# runtime figures out where they are based on the path to the executable.
703# This can help installing the suite in a relocatable way.
704
705# Make the path relative to DESTDIR, not to prefix
706ifndef DESTDIR
707prefix ?= $(HOME)
708endif
709bindir_relative = bin
710bindir = $(abspath $(prefix)/$(bindir_relative))
711mandir = share/man
712infodir = share/info
713perfexecdir = libexec/perf-core
714sharedir = $(prefix)/share
715template_dir = share/perf-core/templates
716STRACE_GROUPS_DIR = share/perf-core/strace/groups
717htmldir = share/doc/perf-doc
718tipdir = share/doc/perf-tip
719srcdir = $(srctree)/tools/perf
720ifeq ($(prefix),/usr)
721sysconfdir = /etc
722ETC_PERFCONFIG = $(sysconfdir)/perfconfig
723else
724sysconfdir = $(prefix)/etc
725ETC_PERFCONFIG = etc/perfconfig
726endif
727ifndef lib
728ifeq ($(ARCH)$(IS_64_BIT), x861)
729lib = lib64
730else
731lib = lib
732endif
733endif # lib
734libdir = $(prefix)/$(lib)
735
736# Shell quote (do not use $(call) to accommodate ancient setups);
737ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
738STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
739DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
740bindir_SQ = $(subst ','\'',$(bindir))
741mandir_SQ = $(subst ','\'',$(mandir))
742infodir_SQ = $(subst ','\'',$(infodir))
743perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
744template_dir_SQ = $(subst ','\'',$(template_dir))
745htmldir_SQ = $(subst ','\'',$(htmldir))
746tipdir_SQ = $(subst ','\'',$(tipdir))
747prefix_SQ = $(subst ','\'',$(prefix))
748sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
749libdir_SQ = $(subst ','\'',$(libdir))
750srcdir_SQ = $(subst ','\'',$(srcdir))
751
752ifneq ($(filter /%,$(firstword $(perfexecdir))),)
753perfexec_instdir = $(perfexecdir)
754STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
755tip_instdir = $(tipdir)
756else
757perfexec_instdir = $(prefix)/$(perfexecdir)
758STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
759tip_instdir = $(prefix)/$(tipdir)
760endif
761perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
762STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
763tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
764
765# If we install to $(HOME) we keep the traceevent default:
766# $(HOME)/.traceevent/plugins
767# Otherwise we install plugins into the global $(libdir).
768ifdef DESTDIR
769plugindir=$(libdir)/traceevent/plugins
770plugindir_SQ= $(subst ','\'',$(plugindir))
771endif
772
773print_var = $(eval $(print_var_code)) $(info $(MSG))
774define print_var_code
775 MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
776endef
777
778ifeq ($(VF),1)
779 $(call print_var,prefix)
780 $(call print_var,bindir)
781 $(call print_var,libdir)
782 $(call print_var,sysconfdir)
783 $(call print_var,LIBUNWIND_DIR)
784 $(call print_var,LIBDW_DIR)
785
786 ifeq ($(dwarf-post-unwind),1)
787 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
788 endif
789 $(info )
790endif
791
792$(call detected_var,bindir_SQ)
793$(call detected_var,PYTHON_WORD)
794ifneq ($(OUTPUT),)
795$(call detected_var,OUTPUT)
796endif
797$(call detected_var,htmldir_SQ)
798$(call detected_var,infodir_SQ)
799$(call detected_var,mandir_SQ)
800$(call detected_var,ETC_PERFCONFIG_SQ)
801$(call detected_var,STRACE_GROUPS_DIR_SQ)
802$(call detected_var,prefix_SQ)
803$(call detected_var,perfexecdir_SQ)
804$(call detected_var,tipdir_SQ)
805$(call detected_var,srcdir_SQ)
806$(call detected_var,LIBDIR)
807$(call detected_var,GTK_CFLAGS)
808$(call detected_var,PERL_EMBED_CCOPTS)
809$(call detected_var,PYTHON_EMBED_CCOPTS)