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