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