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
14LIB_INCLUDE := $(srctree)/tools/lib/
15CFLAGS := $(EXTRA_CFLAGS) $(EXTRA_WARNINGS)
16
17include $(src-perf)/config/Makefile.arch
18
19NO_PERF_REGS := 1
20
21# Additional ARCH settings for x86
22ifeq ($(ARCH),x86)
23 ifeq (${IS_X86_64}, 1)
24 CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT
25 ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
26 LIBUNWIND_LIBS = -lunwind -lunwind-x86_64
27 else
28 LIBUNWIND_LIBS = -lunwind -lunwind-x86
29 endif
30 NO_PERF_REGS := 0
31endif
32
33ifeq ($(ARCH),arm)
34 NO_PERF_REGS := 0
35 LIBUNWIND_LIBS = -lunwind -lunwind-arm
36endif
37
38ifeq ($(ARCH),arm64)
39 NO_PERF_REGS := 0
40 LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
41endif
42
43# So far there's only x86 and arm libdw unwind support merged in perf.
44# Disable it on all other architectures in case libdw unwind
45# support is detected in system. Add supported architectures
46# to the check.
47ifneq ($(ARCH),$(filter $(ARCH),x86 arm))
48 NO_LIBDW_DWARF_UNWIND := 1
49endif
50
51ifeq ($(LIBUNWIND_LIBS),)
52 NO_LIBUNWIND := 1
53else
54 #
55 # For linking with debug library, run like:
56 #
57 # make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
58 #
59 ifdef LIBUNWIND_DIR
60 LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include
61 LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
62 endif
63 LIBUNWIND_LDFLAGS += $(LIBUNWIND_LIBS)
64
65 # Set per-feature check compilation flags
66 FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
67 FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS)
68 FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
69 FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS)
70endif
71
72ifeq ($(NO_PERF_REGS),0)
73 CFLAGS += -DHAVE_PERF_REGS_SUPPORT
74endif
75
76ifndef NO_LIBELF
77 # for linking with debug library, run like:
78 # make DEBUG=1 LIBDW_DIR=/opt/libdw/
79 ifdef LIBDW_DIR
80 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include
81 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
82 endif
83 FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
84 FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) -ldw
85endif
86
87# include ARCH specific config
88-include $(src-perf)/arch/$(ARCH)/Makefile
89
90include $(src-perf)/config/utilities.mak
91
92ifeq ($(call get-executable,$(FLEX)),)
93 dummy := $(error Error: $(FLEX) is missing on this system, please install it)
94endif
95
96ifeq ($(call get-executable,$(BISON)),)
97 dummy := $(error Error: $(BISON) is missing on this system, please install it)
98endif
99
100# Treat warnings as errors unless directed not to
101ifneq ($(WERROR),0)
102 CFLAGS += -Werror
103endif
104
105ifndef DEBUG
106 DEBUG := 0
107endif
108
109ifeq ($(DEBUG),0)
110 CFLAGS += -O6
111endif
112
113ifdef PARSER_DEBUG
114 PARSER_DEBUG_BISON := -t
115 PARSER_DEBUG_FLEX := -d
116 CFLAGS += -DPARSER_DEBUG
117endif
118
119ifndef NO_LIBPYTHON
120 # Try different combinations to accommodate systems that only have
121 # python[2][-config] in weird combinations but always preferring
122 # python2 and python2-config as per pep-0394. If we catch a
123 # python[-config] in version 3, the version check will kill it.
124 PYTHON2 := $(if $(call get-executable,python2),python2,python)
125 override PYTHON := $(call get-executable-or-default,PYTHON,$(PYTHON2))
126 PYTHON2_CONFIG := \
127 $(if $(call get-executable,$(PYTHON)-config),$(PYTHON)-config,python-config)
128 override PYTHON_CONFIG := \
129 $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON2_CONFIG))
130
131 PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
132
133 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
134 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
135
136 FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
137 FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
138 FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
139 FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
140endif
141
142CFLAGS += -fno-omit-frame-pointer
143CFLAGS += -ggdb3
144CFLAGS += -funwind-tables
145CFLAGS += -Wall
146CFLAGS += -Wextra
147CFLAGS += -std=gnu99
148
149# Enforce a non-executable stack, as we may regress (again) in the future by
150# adding assembler files missing the .GNU-stack linker note.
151LDFLAGS += -Wl,-z,noexecstack
152
153EXTLIBS = -lelf -lpthread -lrt -lm -ldl
154
155ifneq ($(OUTPUT),)
156 OUTPUT_FEATURES = $(OUTPUT)config/feature-checks/
157 $(shell mkdir -p $(OUTPUT_FEATURES))
158endif
159
160feature_check = $(eval $(feature_check_code))
161define feature_check_code
162 feature-$(1) := $(shell $(MAKE) OUTPUT=$(OUTPUT_FEATURES) CFLAGS="$(EXTRA_CFLAGS) $(FEATURE_CHECK_CFLAGS-$(1))" LDFLAGS="$(LDFLAGS) $(FEATURE_CHECK_LDFLAGS-$(1))" -C config/feature-checks test-$1.bin >/dev/null 2>/dev/null && echo 1 || echo 0)
163endef
164
165feature_set = $(eval $(feature_set_code))
166define feature_set_code
167 feature-$(1) := 1
168endef
169
170#
171# Build the feature check binaries in parallel, ignore errors, ignore return value and suppress output:
172#
173
174#
175# Note that this is not a complete list of all feature tests, just
176# those that are typically built on a fully configured system.
177#
178# [ Feature tests not mentioned here have to be built explicitly in
179# the rule that uses them - an example for that is the 'bionic'
180# feature check. ]
181#
182CORE_FEATURE_TESTS = \
183 backtrace \
184 dwarf \
185 fortify-source \
186 sync-compare-and-swap \
187 glibc \
188 gtk2 \
189 gtk2-infobar \
190 libaudit \
191 libbfd \
192 libelf \
193 libelf-getphdrnum \
194 libelf-mmap \
195 libnuma \
196 libperl \
197 libpython \
198 libpython-version \
199 libslang \
200 libunwind \
201 stackprotector-all \
202 timerfd \
203 libdw-dwarf-unwind
204
205LIB_FEATURE_TESTS = \
206 dwarf \
207 glibc \
208 gtk2 \
209 libaudit \
210 libbfd \
211 libelf \
212 libnuma \
213 libperl \
214 libpython \
215 libslang \
216 libunwind \
217 libdw-dwarf-unwind
218
219VF_FEATURE_TESTS = \
220 backtrace \
221 fortify-source \
222 sync-compare-and-swap \
223 gtk2-infobar \
224 libelf-getphdrnum \
225 libelf-mmap \
226 libpython-version \
227 stackprotector-all \
228 timerfd \
229 libunwind-debug-frame \
230 bionic \
231 liberty \
232 liberty-z \
233 cplus-demangle
234
235# Set FEATURE_CHECK_(C|LD)FLAGS-all for all CORE_FEATURE_TESTS features.
236# If in the future we need per-feature checks/flags for features not
237# mentioned in this list we need to refactor this ;-).
238set_test_all_flags = $(eval $(set_test_all_flags_code))
239define set_test_all_flags_code
240 FEATURE_CHECK_CFLAGS-all += $(FEATURE_CHECK_CFLAGS-$(1))
241 FEATURE_CHECK_LDFLAGS-all += $(FEATURE_CHECK_LDFLAGS-$(1))
242endef
243
244$(foreach feat,$(CORE_FEATURE_TESTS),$(call set_test_all_flags,$(feat)))
245
246#
247# Special fast-path for the 'all features are available' case:
248#
249$(call feature_check,all,$(MSG))
250
251#
252# Just in case the build freshly failed, make sure we print the
253# feature matrix:
254#
255ifeq ($(feature-all), 1)
256 #
257 # test-all.c passed - just set all the core feature flags to 1:
258 #
259 $(foreach feat,$(CORE_FEATURE_TESTS),$(call feature_set,$(feat)))
260else
261 $(shell $(MAKE) OUTPUT=$(OUTPUT_FEATURES) CFLAGS="$(EXTRA_CFLAGS)" LDFLAGS=$(LDFLAGS) -i -j -C config/feature-checks $(addsuffix .bin,$(CORE_FEATURE_TESTS)) >/dev/null 2>&1)
262 $(foreach feat,$(CORE_FEATURE_TESTS),$(call feature_check,$(feat)))
263endif
264
265ifeq ($(feature-stackprotector-all), 1)
266 CFLAGS += -fstack-protector-all
267endif
268
269ifeq ($(DEBUG),0)
270 ifeq ($(feature-fortify-source), 1)
271 CFLAGS += -D_FORTIFY_SOURCE=2
272 endif
273endif
274
275CFLAGS += -I$(src-perf)/util/include
276CFLAGS += -I$(src-perf)/arch/$(ARCH)/include
277CFLAGS += -I$(srctree)/tools/include/
278CFLAGS += -I$(srctree)/arch/$(ARCH)/include/uapi
279CFLAGS += -I$(srctree)/arch/$(ARCH)/include
280CFLAGS += -I$(srctree)/include/uapi
281CFLAGS += -I$(srctree)/include
282
283# $(obj-perf) for generated common-cmds.h
284# $(obj-perf)/util for generated bison/flex headers
285ifneq ($(OUTPUT),)
286CFLAGS += -I$(obj-perf)/util
287CFLAGS += -I$(obj-perf)
288endif
289
290CFLAGS += -I$(src-perf)/util
291CFLAGS += -I$(src-perf)
292CFLAGS += -I$(LIB_INCLUDE)
293
294CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
295
296ifeq ($(feature-sync-compare-and-swap), 1)
297 CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
298endif
299
300ifndef NO_BIONIC
301 $(call feature_check,bionic)
302 ifeq ($(feature-bionic), 1)
303 BIONIC := 1
304 EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
305 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
306 endif
307endif
308
309ifdef NO_LIBELF
310 NO_DWARF := 1
311 NO_DEMANGLE := 1
312 NO_LIBUNWIND := 1
313 NO_LIBDW_DWARF_UNWIND := 1
314else
315 ifeq ($(feature-libelf), 0)
316 ifeq ($(feature-glibc), 1)
317 LIBC_SUPPORT := 1
318 endif
319 ifeq ($(BIONIC),1)
320 LIBC_SUPPORT := 1
321 endif
322 ifeq ($(LIBC_SUPPORT),1)
323 msg := $(warning No libelf found, disables 'probe' tool, please install elfutils-libelf-devel/libelf-dev);
324
325 NO_LIBELF := 1
326 NO_DWARF := 1
327 NO_DEMANGLE := 1
328 NO_LIBUNWIND := 1
329 NO_LIBDW_DWARF_UNWIND := 1
330 else
331 ifneq ($(filter s% -static%,$(LDFLAGS),),)
332 msg := $(error No static glibc found, please install glibc-static);
333 else
334 msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
335 endif
336 endif
337 else
338 ifndef NO_LIBDW_DWARF_UNWIND
339 ifneq ($(feature-libdw-dwarf-unwind),1)
340 NO_LIBDW_DWARF_UNWIND := 1
341 msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
342 endif
343 endif
344 ifneq ($(feature-dwarf), 1)
345 msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
346 NO_DWARF := 1
347 endif # Dwarf support
348 endif # libelf support
349endif # NO_LIBELF
350
351ifndef NO_LIBELF
352 CFLAGS += -DHAVE_LIBELF_SUPPORT
353
354 ifeq ($(feature-libelf-mmap), 1)
355 CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
356 endif
357
358 ifeq ($(feature-libelf-getphdrnum), 1)
359 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
360 endif
361
362 # include ARCH specific config
363 -include $(src-perf)/arch/$(ARCH)/Makefile
364
365 ifndef NO_DWARF
366 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
367 msg := $(warning DWARF register mappings have not been defined for architecture $(ARCH), DWARF support disabled);
368 NO_DWARF := 1
369 else
370 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
371 LDFLAGS += $(LIBDW_LDFLAGS)
372 EXTLIBS += -lelf -ldw
373 endif # PERF_HAVE_DWARF_REGS
374 endif # NO_DWARF
375endif # NO_LIBELF
376
377ifeq ($(ARCH),powerpc)
378 ifndef NO_DWARF
379 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
380 endif
381endif
382
383ifndef NO_LIBUNWIND
384 ifneq ($(feature-libunwind), 1)
385 msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
386 NO_LIBUNWIND := 1
387 endif
388endif
389
390dwarf-post-unwind := 1
391dwarf-post-unwind-text := BUG
392
393# setup DWARF post unwinder
394ifdef NO_LIBUNWIND
395 ifdef NO_LIBDW_DWARF_UNWIND
396 msg := $(warning Disabling post unwind, no support found.);
397 dwarf-post-unwind := 0
398 else
399 dwarf-post-unwind-text := libdw
400 endif
401else
402 dwarf-post-unwind-text := libunwind
403 # Enable libunwind support by default.
404 ifndef NO_LIBDW_DWARF_UNWIND
405 NO_LIBDW_DWARF_UNWIND := 1
406 endif
407endif
408
409ifeq ($(dwarf-post-unwind),1)
410 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
411else
412 NO_DWARF_UNWIND := 1
413endif
414
415ifndef NO_LIBUNWIND
416 ifeq ($(ARCH),$(filter $(ARCH),arm arm64))
417 $(call feature_check,libunwind-debug-frame)
418 ifneq ($(feature-libunwind-debug-frame), 1)
419 msg := $(warning No debug_frame support found in libunwind);
420 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
421 endif
422 else
423 # non-ARM has no dwarf_find_debug_frame() function:
424 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
425 endif
426 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
427 EXTLIBS += $(LIBUNWIND_LIBS)
428 CFLAGS += $(LIBUNWIND_CFLAGS)
429 LDFLAGS += $(LIBUNWIND_LDFLAGS)
430endif
431
432ifndef NO_LIBAUDIT
433 ifneq ($(feature-libaudit), 1)
434 msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
435 NO_LIBAUDIT := 1
436 else
437 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
438 EXTLIBS += -laudit
439 endif
440endif
441
442ifdef NO_NEWT
443 NO_SLANG=1
444endif
445
446ifndef NO_SLANG
447 ifneq ($(feature-libslang), 1)
448 msg := $(warning slang not found, disables TUI support. Please install slang-devel or libslang-dev);
449 NO_SLANG := 1
450 else
451 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
452 CFLAGS += -I/usr/include/slang
453 CFLAGS += -DHAVE_SLANG_SUPPORT
454 EXTLIBS += -lslang
455 endif
456endif
457
458ifndef NO_GTK2
459 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
460 ifneq ($(feature-gtk2), 1)
461 msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
462 NO_GTK2 := 1
463 else
464 ifeq ($(feature-gtk2-infobar), 1)
465 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
466 endif
467 CFLAGS += -DHAVE_GTK2_SUPPORT
468 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
469 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
470 EXTLIBS += -ldl
471 endif
472endif
473
474grep-libs = $(filter -l%,$(1))
475strip-libs = $(filter-out -l%,$(1))
476
477ifdef NO_LIBPERL
478 CFLAGS += -DNO_LIBPERL
479else
480 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
481 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
482 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
483 PERL_EMBED_CCOPTS = `perl -MExtUtils::Embed -e ccopts 2>/dev/null`
484 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
485
486 ifneq ($(feature-libperl), 1)
487 CFLAGS += -DNO_LIBPERL
488 NO_LIBPERL := 1
489 msg := $(warning Missing perl devel files. Disabling perl scripting support, consider installing perl-ExtUtils-Embed);
490 else
491 LDFLAGS += $(PERL_EMBED_LDFLAGS)
492 EXTLIBS += $(PERL_EMBED_LIBADD)
493 endif
494endif
495
496ifeq ($(feature-timerfd), 1)
497 CFLAGS += -DHAVE_TIMERFD_SUPPORT
498else
499 msg := $(warning No timerfd support. Disables 'perf kvm stat live');
500endif
501
502disable-python = $(eval $(disable-python_code))
503define disable-python_code
504 CFLAGS += -DNO_LIBPYTHON
505 $(if $(1),$(warning No $(1) was found))
506 $(warning Python support will not be built)
507 NO_LIBPYTHON := 1
508endef
509
510ifdef NO_LIBPYTHON
511 $(call disable-python)
512else
513
514 ifndef PYTHON
515 $(call disable-python,python interpreter)
516 else
517 PYTHON_WORD := $(call shell-wordify,$(PYTHON))
518
519 ifndef PYTHON_CONFIG
520 $(call disable-python,python-config tool)
521 else
522
523 PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
524
525 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
526 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
527 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS))
528 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
529 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
530
531 ifneq ($(feature-libpython), 1)
532 $(call disable-python,Python.h (for Python 2.x))
533 else
534
535 ifneq ($(feature-libpython-version), 1)
536 $(warning Python 3 is not yet supported; please set)
537 $(warning PYTHON and/or PYTHON_CONFIG appropriately.)
538 $(warning If you also have Python 2 installed, then)
539 $(warning try something like:)
540 $(warning $(and ,))
541 $(warning $(and ,) make PYTHON=python2)
542 $(warning $(and ,))
543 $(warning Otherwise, disable Python support entirely:)
544 $(warning $(and ,))
545 $(warning $(and ,) make NO_LIBPYTHON=1)
546 $(warning $(and ,))
547 $(error $(and ,))
548 else
549 LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
550 EXTLIBS += $(PYTHON_EMBED_LIBADD)
551 LANG_BINDINGS += $(obj-perf)python/perf.so
552 endif
553 endif
554 endif
555 endif
556endif
557
558ifeq ($(feature-libbfd), 1)
559 EXTLIBS += -lbfd
560
561 # call all detections now so we get correct
562 # status in VF output
563 $(call feature_check,liberty)
564 $(call feature_check,liberty-z)
565 $(call feature_check,cplus-demangle)
566
567 ifeq ($(feature-liberty), 1)
568 EXTLIBS += -liberty
569 else
570 ifeq ($(feature-liberty-z), 1)
571 EXTLIBS += -liberty -lz
572 endif
573 endif
574endif
575
576ifdef NO_DEMANGLE
577 CFLAGS += -DNO_DEMANGLE
578else
579 ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
580 EXTLIBS += -liberty
581 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
582 else
583 ifneq ($(feature-libbfd), 1)
584 ifneq ($(feature-liberty), 1)
585 ifneq ($(feature-liberty-z), 1)
586 # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
587 # or any of 'bfd iberty z' trinity
588 ifeq ($(feature-cplus-demangle), 1)
589 EXTLIBS += -liberty
590 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
591 else
592 msg := $(warning No bfd.h/libbfd found, install binutils-dev[el]/zlib-static to gain symbol demangling)
593 CFLAGS += -DNO_DEMANGLE
594 endif
595 endif
596 endif
597 endif
598 endif
599endif
600
601ifneq ($(filter -lbfd,$(EXTLIBS)),)
602 CFLAGS += -DHAVE_LIBBFD_SUPPORT
603endif
604
605ifndef NO_BACKTRACE
606 ifeq ($(feature-backtrace), 1)
607 CFLAGS += -DHAVE_BACKTRACE_SUPPORT
608 endif
609endif
610
611ifndef NO_LIBNUMA
612 ifeq ($(feature-libnuma), 0)
613 msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
614 NO_LIBNUMA := 1
615 else
616 CFLAGS += -DHAVE_LIBNUMA_SUPPORT
617 EXTLIBS += -lnuma
618 endif
619endif
620
621ifdef HAVE_KVM_STAT_SUPPORT
622 CFLAGS += -DHAVE_KVM_STAT_SUPPORT
623endif
624
625# Among the variables below, these:
626# perfexecdir
627# template_dir
628# mandir
629# infodir
630# htmldir
631# ETC_PERFCONFIG (but not sysconfdir)
632# can be specified as a relative path some/where/else;
633# this is interpreted as relative to $(prefix) and "perf" at
634# runtime figures out where they are based on the path to the executable.
635# This can help installing the suite in a relocatable way.
636
637# Make the path relative to DESTDIR, not to prefix
638ifndef DESTDIR
639prefix ?= $(HOME)
640endif
641bindir_relative = bin
642bindir = $(prefix)/$(bindir_relative)
643mandir = share/man
644infodir = share/info
645perfexecdir = libexec/perf-core
646sharedir = $(prefix)/share
647template_dir = share/perf-core/templates
648htmldir = share/doc/perf-doc
649ifeq ($(prefix),/usr)
650sysconfdir = /etc
651ETC_PERFCONFIG = $(sysconfdir)/perfconfig
652else
653sysconfdir = $(prefix)/etc
654ETC_PERFCONFIG = etc/perfconfig
655endif
656ifndef lib
657ifeq ($(IS_X86_64),1)
658lib = lib64
659else
660lib = lib
661endif
662endif # lib
663libdir = $(prefix)/$(lib)
664
665# Shell quote (do not use $(call) to accommodate ancient setups);
666ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
667DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
668bindir_SQ = $(subst ','\'',$(bindir))
669mandir_SQ = $(subst ','\'',$(mandir))
670infodir_SQ = $(subst ','\'',$(infodir))
671perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
672template_dir_SQ = $(subst ','\'',$(template_dir))
673htmldir_SQ = $(subst ','\'',$(htmldir))
674prefix_SQ = $(subst ','\'',$(prefix))
675sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
676libdir_SQ = $(subst ','\'',$(libdir))
677
678ifneq ($(filter /%,$(firstword $(perfexecdir))),)
679perfexec_instdir = $(perfexecdir)
680else
681perfexec_instdir = $(prefix)/$(perfexecdir)
682endif
683perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
684
685# If we install to $(HOME) we keep the traceevent default:
686# $(HOME)/.traceevent/plugins
687# Otherwise we install plugins into the global $(libdir).
688ifdef DESTDIR
689plugindir=$(libdir)/traceevent/plugins
690plugindir_SQ= $(subst ','\'',$(plugindir))
691endif
692
693#
694# Print the result of the feature test:
695#
696feature_print_status = $(eval $(feature_print_status_code)) $(info $(MSG))
697
698define feature_print_status_code
699 ifeq ($(feature-$(1)), 1)
700 MSG = $(shell printf '...%30s: [ \033[32mon\033[m ]' $(1))
701 else
702 MSG = $(shell printf '...%30s: [ \033[31mOFF\033[m ]' $(1))
703 endif
704endef
705
706feature_print_var = $(eval $(feature_print_var_code)) $(info $(MSG))
707define feature_print_var_code
708 MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
709endef
710
711feature_print_text = $(eval $(feature_print_text_code)) $(info $(MSG))
712define feature_print_text_code
713 MSG = $(shell printf '...%30s: %s' $(1) $(2))
714endef
715
716PERF_FEATURES := $(foreach feat,$(LIB_FEATURE_TESTS),feature-$(feat)($(feature-$(feat))))
717PERF_FEATURES_FILE := $(shell touch $(OUTPUT)PERF-FEATURES; cat $(OUTPUT)PERF-FEATURES)
718
719ifeq ($(dwarf-post-unwind),1)
720 PERF_FEATURES += dwarf-post-unwind($(dwarf-post-unwind-text))
721endif
722
723# The $(display_lib) controls the default detection message
724# output. It's set if:
725# - detected features differes from stored features from
726# last build (in PERF-FEATURES file)
727# - one of the $(LIB_FEATURE_TESTS) is not detected
728# - VF is enabled
729
730ifneq ("$(PERF_FEATURES)","$(PERF_FEATURES_FILE)")
731 $(shell echo "$(PERF_FEATURES)" > $(OUTPUT)PERF-FEATURES)
732 display_lib := 1
733endif
734
735feature_check = $(eval $(feature_check_code))
736define feature_check_code
737 ifneq ($(feature-$(1)), 1)
738 display_lib := 1
739 endif
740endef
741
742$(foreach feat,$(LIB_FEATURE_TESTS),$(call feature_check,$(feat)))
743
744ifeq ($(VF),1)
745 display_lib := 1
746 display_vf := 1
747endif
748
749ifeq ($(display_lib),1)
750 $(info )
751 $(info Auto-detecting system features:)
752 $(foreach feat,$(LIB_FEATURE_TESTS),$(call feature_print_status,$(feat),))
753
754 ifeq ($(dwarf-post-unwind),1)
755 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
756 endif
757endif
758
759ifeq ($(display_vf),1)
760 $(foreach feat,$(VF_FEATURE_TESTS),$(call feature_print_status,$(feat),))
761 $(info )
762 $(call feature_print_var,prefix)
763 $(call feature_print_var,bindir)
764 $(call feature_print_var,libdir)
765 $(call feature_print_var,sysconfdir)
766 $(call feature_print_var,LIBUNWIND_DIR)
767 $(call feature_print_var,LIBDW_DIR)
768endif
769
770ifeq ($(display_lib),1)
771 $(info )
772endif