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tools/perf/build: Harmonize the style of the feature testcases
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1uname_M := $(shell uname -m 2>/dev/null || echo not)
2
3ARCH ?= $(shell echo $(uname_M) | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ \
4 -e s/arm.*/arm/ -e s/sa110/arm/ \
5 -e s/s390x/s390/ -e s/parisc64/parisc/ \
6 -e s/ppc.*/powerpc/ -e s/mips.*/mips/ \
7 -e s/sh[234].*/sh/ -e s/aarch64.*/arm64/ )
8NO_PERF_REGS := 1
9CFLAGS := $(EXTRA_CFLAGS) $(EXTRA_WARNINGS)
10
11# Additional ARCH settings for x86
12ifeq ($(ARCH),i386)
13 override ARCH := x86
14 NO_PERF_REGS := 0
15 LIBUNWIND_LIBS = -lunwind -lunwind-x86
16endif
17
18ifeq ($(ARCH),x86_64)
19 override ARCH := x86
20 IS_X86_64 := 0
21 ifeq (, $(findstring m32,$(CFLAGS)))
22 IS_X86_64 := $(shell echo __x86_64__ | ${CC} -E -x c - | tail -n 1)
23 endif
24 ifeq (${IS_X86_64}, 1)
25 RAW_ARCH := x86_64
26 CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT
27 ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
28 endif
29 NO_PERF_REGS := 0
30 LIBUNWIND_LIBS = -lunwind -lunwind-x86_64
31endif
32
33ifeq ($(NO_PERF_REGS),0)
34 CFLAGS += -DHAVE_PERF_REGS_SUPPORT
35endif
36
37ifeq ($(src-perf),)
38src-perf := $(srctree)/tools/perf
39endif
40
41ifeq ($(obj-perf),)
42obj-perf := $(OUTPUT)
43endif
44
45ifneq ($(obj-perf),)
46obj-perf := $(abspath $(obj-perf))/
47endif
48
49LIB_INCLUDE := $(srctree)/tools/lib/
50
51# include ARCH specific config
52-include $(src-perf)/arch/$(ARCH)/Makefile
53
54include $(src-perf)/config/utilities.mak
55
56ifeq ($(call get-executable,$(FLEX)),)
57 dummy := $(error Error: $(FLEX) is missing on this system, please install it)
58endif
59
60ifeq ($(call get-executable,$(BISON)),)
61 dummy := $(error Error: $(BISON) is missing on this system, please install it)
62endif
63
64# Treat warnings as errors unless directed not to
65ifneq ($(WERROR),0)
66 CFLAGS += -Werror
67endif
68
69ifeq ("$(origin DEBUG)", "command line")
70 PERF_DEBUG = $(DEBUG)
71endif
72ifndef PERF_DEBUG
73 CFLAGS += -O6
74endif
75
76ifdef PARSER_DEBUG
77 PARSER_DEBUG_BISON := -t
78 PARSER_DEBUG_FLEX := -d
79 CFLAGS += -DPARSER_DEBUG
80endif
81
82CFLAGS += -fno-omit-frame-pointer
83CFLAGS += -ggdb3
84CFLAGS += -funwind-tables
85CFLAGS += -Wall
86CFLAGS += -Wextra
87CFLAGS += -std=gnu99
88
89EXTLIBS = -lelf -lpthread -lrt -lm -ldl
90
91ifneq ($(OUTPUT),)
92 OUTPUT_FEATURES = $(OUTPUT)config/feature-checks/
93 $(shell mkdir -p $(OUTPUT_FEATURES))
94endif
95
96feature_check = $(eval $(feature_check_code))
97define feature_check_code
98 feature-$(1) := $(shell $(MAKE) OUTPUT=$(OUTPUT_FEATURES) -C config/feature-checks test-$1 >/dev/null 2>/dev/null && echo 1 || echo 0)
99endef
100
101feature_set = $(eval $(feature_set_code))
102define feature_set_code
103 feature-$(1) := 1
104endef
105
106#
107# Build the feature check binaries in parallel, ignore errors, ignore return value and suppress output:
108#
109
110#
111# Note that this is not a complete list of all feature tests, just
112# those that are typically built on a fully configured system.
113#
114# [ Feature tests not mentioned here have to be built explicitly in
115# the rule that uses them - an example for that is the 'bionic'
116# feature check. ]
117#
118CORE_FEATURE_TESTS = \
119 backtrace \
120 dwarf \
121 fortify-source \
122 glibc \
123 gtk2 \
124 gtk2-infobar \
125 libaudit \
126 libbfd \
127 libelf \
128 libelf-getphdrnum \
129 libelf-mmap \
130 libnuma \
131 libperl \
132 libpython \
133 libpython-version \
134 libslang \
135 libunwind \
136 on-exit \
137 stackprotector \
138 stackprotector-all \
139 volatile-register-var
140
141#
142# So here we detect whether test-all was rebuilt, to be able
143# to skip the print-out of the long features list if the file
144# existed before and after it was built:
145#
146ifeq ($(wildcard $(OUTPUT)config/feature-checks/test-all),)
147 test-all-failed := 1
148else
149 test-all-failed := 0
150endif
151
152#
153# Special fast-path for the 'all features are available' case:
154#
155$(call feature_check,all,$(MSG))
156
157#
158# Just in case the build freshly failed, make sure we print the
159# feature matrix:
160#
161ifeq ($(feature-all), 0)
162 test-all-failed := 1
163endif
164
165ifeq ($(test-all-failed),1)
166 $(info )
167 $(info Auto-detecting system features:)
168endif
169
170ifeq ($(feature-all), 1)
171 #
172 # test-all.c passed - just set all the core feature flags to 1:
173 #
174 $(foreach feat,$(CORE_FEATURE_TESTS),$(call feature_set,$(feat)))
175else
176 $(shell $(MAKE) OUTPUT=$(OUTPUT_FEATURES) -i -j -C config/feature-checks $(CORE_FEATURE_TESTS) >/dev/null 2>&1)
177 $(foreach feat,$(CORE_FEATURE_TESTS),$(call feature_check,$(feat)))
178endif
179
180#
181# Print the result of the feature test:
182#
183feature_print = $(eval $(feature_print_code))
184define feature_print_code
185 ifeq ($(feature-$(1)), 1)
186 MSG = $(shell printf '...%30s: [ \033[32mon\033[m ]' $(1))
187 else
188 MSG = $(shell printf '...%30s: [ \033[31mOFF\033[m ]' $(1))
189 endif
190 $(info $(MSG))
191endef
192
193#
194# Only print out our features if we rebuilt the testcases or if a test failed:
195#
196ifeq ($(test-all-failed), 1)
197 $(foreach feat,$(CORE_FEATURE_TESTS) DUMMY,$(call feature_print,$(feat)))
198 $(info )
199endif
200
201ifeq ($(feature-stackprotector-all), 1)
202 CFLAGS += -fstack-protector-all
203endif
204
205ifeq ($(feature-stackprotector), 1)
206 CFLAGS += -Wstack-protector
207endif
208
209ifeq ($(feature-volatile-register-var), 1)
210 CFLAGS += -Wvolatile-register-var
211endif
212
213ifndef PERF_DEBUG
214 ifeq ($(feature-fortify-source), 1)
215 CFLAGS += -D_FORTIFY_SOURCE=2
216 endif
217endif
218
219CFLAGS += -I$(src-perf)/util/include
220CFLAGS += -I$(src-perf)/arch/$(ARCH)/include
221CFLAGS += -I$(srctree)/arch/$(ARCH)/include/uapi
222CFLAGS += -I$(srctree)/arch/$(ARCH)/include
223CFLAGS += -I$(srctree)/include/uapi
224CFLAGS += -I$(srctree)/include
225
226# $(obj-perf) for generated common-cmds.h
227# $(obj-perf)/util for generated bison/flex headers
228ifneq ($(OUTPUT),)
229CFLAGS += -I$(obj-perf)/util
230CFLAGS += -I$(obj-perf)
231endif
232
233CFLAGS += -I$(src-perf)/util
234CFLAGS += -I$(src-perf)
235CFLAGS += -I$(LIB_INCLUDE)
236
237CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
238
239ifndef NO_BIONIC
240 $(feature_check,bionic)
241 ifeq ($(feature-bionic), 1)
242 BIONIC := 1
243 EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
244 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
245 endif
246endif
247
248ifdef NO_LIBELF
249 NO_DWARF := 1
250 NO_DEMANGLE := 1
251 NO_LIBUNWIND := 1
252else
253 ifeq ($(feature-libelf), 0)
254 ifeq ($(feature-glibc), 1)
255 LIBC_SUPPORT := 1
256 endif
257 ifeq ($(BIONIC),1)
258 LIBC_SUPPORT := 1
259 endif
260 ifeq ($(LIBC_SUPPORT),1)
261 msg := $(warning No libelf found, disables 'probe' tool, please install elfutils-libelf-devel/libelf-dev);
262
263 NO_LIBELF := 1
264 NO_DWARF := 1
265 NO_DEMANGLE := 1
266 else
267 msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]/glibc-static);
268 endif
269 else
270 # for linking with debug library, run like:
271 # make DEBUG=1 LIBDW_DIR=/opt/libdw/
272 ifdef LIBDW_DIR
273 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include
274 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
275 endif
276
277 ifneq ($(feature-dwarf), 1)
278 msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
279 NO_DWARF := 1
280 endif # Dwarf support
281 endif # libelf support
282endif # NO_LIBELF
283
284ifndef NO_LIBELF
285 CFLAGS += -DHAVE_LIBELF_SUPPORT
286 FLAGS_LIBELF=$(CFLAGS) $(LDFLAGS) $(EXTLIBS)
287
288 ifeq ($(feature-libelf-mmap), 1)
289 CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
290 endif
291
292 ifeq ($(feature-libelf-getphdrnum), 1)
293 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
294 endif
295
296 # include ARCH specific config
297 -include $(src-perf)/arch/$(ARCH)/Makefile
298
299 ifndef NO_DWARF
300 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
301 msg := $(warning DWARF register mappings have not been defined for architecture $(ARCH), DWARF support disabled);
302 NO_DWARF := 1
303 else
304 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
305 LDFLAGS += $(LIBDW_LDFLAGS)
306 EXTLIBS += -lelf -ldw
307 endif # PERF_HAVE_DWARF_REGS
308 endif # NO_DWARF
309endif # NO_LIBELF
310
311ifndef NO_LIBELF
312 CFLAGS += -DHAVE_LIBELF_SUPPORT
313 ifeq ($(feature-libelf-mmap), 1)
314 CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
315 endif
316endif # NO_LIBELF
317
318# There's only x86 (both 32 and 64) support for CFI unwind so far
319ifneq ($(ARCH),x86)
320 NO_LIBUNWIND := 1
321endif
322
323ifndef NO_LIBUNWIND
324 #
325 # For linking with debug library, run like:
326 #
327 # make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
328 #
329 ifdef LIBUNWIND_DIR
330 LIBUNWIND_CFLAGS := -I$(LIBUNWIND_DIR)/include
331 LIBUNWIND_LDFLAGS := -L$(LIBUNWIND_DIR)/lib
332 endif
333
334 ifneq ($(feature-libunwind), 1)
335 msg := $(warning No libunwind found, disabling post unwind support. Please install libunwind-dev[el] >= 0.99);
336 NO_LIBUNWIND := 1
337 endif
338endif
339
340ifndef NO_LIBUNWIND
341 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
342 EXTLIBS += $(LIBUNWIND_LIBS)
343 CFLAGS += $(LIBUNWIND_CFLAGS)
344 LDFLAGS += $(LIBUNWIND_LDFLAGS)
345endif
346
347ifndef NO_LIBAUDIT
348 ifneq ($(feature-libaudit), 1)
349 msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
350 NO_LIBAUDIT := 1
351 else
352 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
353 EXTLIBS += -laudit
354 endif
355endif
356
357ifdef NO_NEWT
358 NO_SLANG=1
359endif
360
361ifndef NO_SLANG
362 ifneq ($(feature-libslang), 1)
363 msg := $(warning slang not found, disables TUI support. Please install slang-devel or libslang-dev);
364 NO_SLANG := 1
365 else
366 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
367 CFLAGS += -I/usr/include/slang
368 CFLAGS += -DHAVE_SLANG_SUPPORT
369 EXTLIBS += -lslang
370 endif
371endif
372
373ifndef NO_GTK2
374 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell pkg-config --libs --cflags gtk+-2.0 2>/dev/null)
375 ifneq ($(feature-gtk2), 1)
376 msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
377 NO_GTK2 := 1
378 else
379 ifeq ($(feature-gtk2-infobar), 1)
380 CFLAGS += -DHAVE_GTK_INFO_BAR_SUPPORT
381 endif
382 CFLAGS += -DHAVE_GTK2_SUPPORT
383 CFLAGS += $(shell pkg-config --cflags gtk+-2.0 2>/dev/null)
384 EXTLIBS += $(shell pkg-config --libs gtk+-2.0 2>/dev/null)
385 endif
386endif
387
388grep-libs = $(filter -l%,$(1))
389strip-libs = $(filter-out -l%,$(1))
390
391ifdef NO_LIBPERL
392 CFLAGS += -DNO_LIBPERL
393else
394 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
395 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
396 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
397 PERL_EMBED_CCOPTS = `perl -MExtUtils::Embed -e ccopts 2>/dev/null`
398 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
399
400 ifneq ($(feature-libperl), 1)
401 CFLAGS += -DNO_LIBPERL
402 NO_LIBPERL := 1
403 else
404 LDFLAGS += $(PERL_EMBED_LDFLAGS)
405 EXTLIBS += $(PERL_EMBED_LIBADD)
406 endif
407endif
408
409disable-python = $(eval $(disable-python_code))
410define disable-python_code
411 CFLAGS += -DNO_LIBPYTHON
412 $(if $(1),$(warning No $(1) was found))
413 $(warning Python support will not be built)
414 NO_LIBPYTHON := 1
415endef
416
417override PYTHON := \
418 $(call get-executable-or-default,PYTHON,python)
419
420ifndef PYTHON
421 $(call disable-python,python interpreter)
422else
423
424 PYTHON_WORD := $(call shell-wordify,$(PYTHON))
425
426 ifdef NO_LIBPYTHON
427 $(call disable-python)
428 else
429
430 override PYTHON_CONFIG := \
431 $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON)-config)
432
433 ifndef PYTHON_CONFIG
434 $(call disable-python,python-config tool)
435 else
436
437 PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
438
439 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
440 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
441 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS))
442 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
443 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
444
445 ifneq ($(feature-libpython), 1)
446 $(call disable-python,Python.h (for Python 2.x))
447 else
448
449 ifneq ($(feature-libpython-version), 1)
450 $(warning Python 3 is not yet supported; please set)
451 $(warning PYTHON and/or PYTHON_CONFIG appropriately.)
452 $(warning If you also have Python 2 installed, then)
453 $(warning try something like:)
454 $(warning $(and ,))
455 $(warning $(and ,) make PYTHON=python2)
456 $(warning $(and ,))
457 $(warning Otherwise, disable Python support entirely:)
458 $(warning $(and ,))
459 $(warning $(and ,) make NO_LIBPYTHON=1)
460 $(warning $(and ,))
461 $(error $(and ,))
462 else
463 LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
464 EXTLIBS += $(PYTHON_EMBED_LIBADD)
465 LANG_BINDINGS += $(obj-perf)python/perf.so
466 endif
467 endif
468 endif
469 endif
470endif
471
472ifdef NO_DEMANGLE
473 CFLAGS += -DNO_DEMANGLE
474else
475 ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
476 EXTLIBS += -liberty
477 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
478 else
479 ifeq ($(feature-libbfd), 1)
480 EXTLIBS += -lbfd
481 else
482 $(feature_check,liberty)
483 ifeq ($(feature-liberty), 1)
484 EXTLIBS += -lbfd -liberty
485 else
486 $(feature_check,liberty-z)
487 ifeq ($(feature-liberty-z), 1)
488 EXTLIBS += -lbfd -liberty -lz
489 else
490 $(feature_check,cplus-demangle)
491 ifeq ($(feature-cplus-demangle), 1)
492 EXTLIBS += -liberty
493 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
494 else
495 msg := $(warning No bfd.h/libbfd found, install binutils-dev[el]/zlib-static to gain symbol demangling)
496 CFLAGS += -DNO_DEMANGLE
497 endif
498 endif
499 endif
500 endif
501 endif
502endif
503
504ifndef NO_ON_EXIT
505 ifeq ($(feature-on-exit), 1)
506 CFLAGS += -DHAVE_ON_EXIT_SUPPORT
507 endif
508endif
509
510ifndef NO_BACKTRACE
511 ifeq ($(feature-backtrace), 1)
512 CFLAGS += -DHAVE_BACKTRACE_SUPPORT
513 endif
514endif
515
516ifndef NO_LIBNUMA
517 ifeq ($(feature-libnuma), 0)
518 msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numa-libs-devel or libnuma-dev);
519 NO_LIBNUMA := 1
520 else
521 CFLAGS += -DHAVE_LIBNUMA_SUPPORT
522 EXTLIBS += -lnuma
523 endif
524endif
525
526# Among the variables below, these:
527# perfexecdir
528# template_dir
529# mandir
530# infodir
531# htmldir
532# ETC_PERFCONFIG (but not sysconfdir)
533# can be specified as a relative path some/where/else;
534# this is interpreted as relative to $(prefix) and "perf" at
535# runtime figures out where they are based on the path to the executable.
536# This can help installing the suite in a relocatable way.
537
538# Make the path relative to DESTDIR, not to prefix
539ifndef DESTDIR
540prefix = $(HOME)
541endif
542bindir_relative = bin
543bindir = $(prefix)/$(bindir_relative)
544mandir = share/man
545infodir = share/info
546perfexecdir = libexec/perf-core
547sharedir = $(prefix)/share
548template_dir = share/perf-core/templates
549htmldir = share/doc/perf-doc
550ifeq ($(prefix),/usr)
551sysconfdir = /etc
552ETC_PERFCONFIG = $(sysconfdir)/perfconfig
553else
554sysconfdir = $(prefix)/etc
555ETC_PERFCONFIG = etc/perfconfig
556endif
557lib = lib
558
559# Shell quote (do not use $(call) to accommodate ancient setups);
560ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
561DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
562bindir_SQ = $(subst ','\'',$(bindir))
563mandir_SQ = $(subst ','\'',$(mandir))
564infodir_SQ = $(subst ','\'',$(infodir))
565perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
566template_dir_SQ = $(subst ','\'',$(template_dir))
567htmldir_SQ = $(subst ','\'',$(htmldir))
568prefix_SQ = $(subst ','\'',$(prefix))
569sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
570
571ifneq ($(filter /%,$(firstword $(perfexecdir))),)
572perfexec_instdir = $(perfexecdir)
573else
574perfexec_instdir = $(prefix)/$(perfexecdir)
575endif
576perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))