perf python: Add missing perf_event__parse_sample 'swapped' parm
[linux-2.6.git] / tools / perf / Makefile
1 ifeq ("$(origin O)", "command line")
2         OUTPUT := $(O)/
3 endif
4
5 # The default target of this Makefile is...
6 all:
7
8 include config/utilities.mak
9
10 ifneq ($(OUTPUT),)
11 # check that the output directory actually exists
12 OUTDIR := $(shell cd $(OUTPUT) && /bin/pwd)
13 $(if $(OUTDIR),, $(error output directory "$(OUTPUT)" does not exist))
14 endif
15
16 # Define V to have a more verbose compile.
17 #
18 # Define PYTHON to point to the python binary if the default
19 # `python' is not correct; for example: PYTHON=python2
20 #
21 # Define PYTHON_CONFIG to point to the python-config binary if
22 # the default `$(PYTHON)-config' is not correct.
23 #
24 # Define ASCIIDOC8 if you want to format documentation with AsciiDoc 8
25 #
26 # Define DOCBOOK_XSL_172 if you want to format man pages with DocBook XSL v1.72.
27 #
28 # Define LDFLAGS=-static to build a static binary.
29 #
30 # Define EXTRA_CFLAGS=-m64 or EXTRA_CFLAGS=-m32 as appropriate for cross-builds.
31 #
32 # Define NO_DWARF if you do not want debug-info analysis feature at all.
33 #
34 # Define WERROR=0 to disable treating any warnings as errors.
35
36 $(OUTPUT)PERF-VERSION-FILE: .FORCE-PERF-VERSION-FILE
37         @$(SHELL_PATH) util/PERF-VERSION-GEN $(OUTPUT)
38 -include $(OUTPUT)PERF-VERSION-FILE
39
40 uname_M := $(shell uname -m 2>/dev/null || echo not)
41
42 ARCH ?= $(shell echo $(uname_M) | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ \
43                                   -e s/arm.*/arm/ -e s/sa110/arm/ \
44                                   -e s/s390x/s390/ -e s/parisc64/parisc/ \
45                                   -e s/ppc.*/powerpc/ -e s/mips.*/mips/ \
46                                   -e s/sh[234].*/sh/ )
47
48 CC = $(CROSS_COMPILE)gcc
49 AR = $(CROSS_COMPILE)ar
50
51 # Additional ARCH settings for x86
52 ifeq ($(ARCH),i386)
53         ARCH := x86
54 endif
55 ifeq ($(ARCH),x86_64)
56         ARCH := x86
57         IS_X86_64 := 0
58         ifeq (, $(findstring m32,$(EXTRA_CFLAGS)))
59                 IS_X86_64 := $(shell echo __x86_64__ | ${CC} -E -xc - | tail -n 1)
60         endif
61         ifeq (${IS_X86_64}, 1)
62                 RAW_ARCH := x86_64
63                 ARCH_CFLAGS := -DARCH_X86_64
64                 ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S
65         endif
66 endif
67
68 # Treat warnings as errors unless directed not to
69 ifneq ($(WERROR),0)
70         CFLAGS_WERROR := -Werror
71 endif
72
73 #
74 # Include saner warnings here, which can catch bugs:
75 #
76
77 EXTRA_WARNINGS := -Wformat
78 EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wformat-security
79 EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wformat-y2k
80 EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wshadow
81 EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Winit-self
82 EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wpacked
83 EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wredundant-decls
84 EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wstrict-aliasing=3
85 EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wswitch-default
86 EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wswitch-enum
87 EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wno-system-headers
88 EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wundef
89 EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wwrite-strings
90 EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wbad-function-cast
91 EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wmissing-declarations
92 EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wmissing-prototypes
93 EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wnested-externs
94 EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wold-style-definition
95 EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wstrict-prototypes
96 EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wdeclaration-after-statement
97
98 ifeq ("$(origin DEBUG)", "command line")
99   PERF_DEBUG = $(DEBUG)
100 endif
101 ifndef PERF_DEBUG
102   CFLAGS_OPTIMIZE = -O6
103 endif
104
105 CFLAGS = -fno-omit-frame-pointer -ggdb3 -Wall -Wextra -std=gnu99 $(CFLAGS_WERROR) $(CFLAGS_OPTIMIZE) -D_FORTIFY_SOURCE=2 $(EXTRA_WARNINGS) $(EXTRA_CFLAGS)
106 EXTLIBS = -lpthread -lrt -lelf -lm
107 ALL_CFLAGS = $(CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
108 ALL_LDFLAGS = $(LDFLAGS)
109 STRIP ?= strip
110
111 # Among the variables below, these:
112 #   perfexecdir
113 #   template_dir
114 #   mandir
115 #   infodir
116 #   htmldir
117 #   ETC_PERFCONFIG (but not sysconfdir)
118 # can be specified as a relative path some/where/else;
119 # this is interpreted as relative to $(prefix) and "perf" at
120 # runtime figures out where they are based on the path to the executable.
121 # This can help installing the suite in a relocatable way.
122
123 # Make the path relative to DESTDIR, not to prefix
124 ifndef DESTDIR
125 prefix = $(HOME)
126 endif
127 bindir_relative = bin
128 bindir = $(prefix)/$(bindir_relative)
129 mandir = share/man
130 infodir = share/info
131 perfexecdir = libexec/perf-core
132 sharedir = $(prefix)/share
133 template_dir = share/perf-core/templates
134 htmldir = share/doc/perf-doc
135 ifeq ($(prefix),/usr)
136 sysconfdir = /etc
137 ETC_PERFCONFIG = $(sysconfdir)/perfconfig
138 else
139 sysconfdir = $(prefix)/etc
140 ETC_PERFCONFIG = etc/perfconfig
141 endif
142 lib = lib
143
144 export prefix bindir sharedir sysconfdir
145
146 RM = rm -f
147 MKDIR = mkdir
148 FIND = find
149 INSTALL = install
150
151 # sparse is architecture-neutral, which means that we need to tell it
152 # explicitly what architecture to check for. Fix this up for yours..
153 SPARSE_FLAGS = -D__BIG_ENDIAN__ -D__powerpc__
154
155 -include config/feature-tests.mak
156
157 ifeq ($(call try-cc,$(SOURCE_HELLO),-Werror -fstack-protector-all),y)
158         CFLAGS := $(CFLAGS) -fstack-protector-all
159 endif
160
161 ifeq ($(call try-cc,$(SOURCE_HELLO),-Werror -Wstack-protector),y)
162        CFLAGS := $(CFLAGS) -Wstack-protector
163 endif
164
165 ifeq ($(call try-cc,$(SOURCE_HELLO),-Werror -Wvolatile-register-var),y)
166        CFLAGS := $(CFLAGS) -Wvolatile-register-var
167 endif
168
169 ### --- END CONFIGURATION SECTION ---
170
171 # Those must not be GNU-specific; they are shared with perl/ which may
172 # be built by a different compiler. (Note that this is an artifact now
173 # but it still might be nice to keep that distinction.)
174 BASIC_CFLAGS = -Iutil/include -Iarch/$(ARCH)/include
175 BASIC_LDFLAGS =
176
177 # Guard against environment variables
178 BUILTIN_OBJS =
179 LIB_H =
180 LIB_OBJS =
181 PYRF_OBJS =
182 SCRIPT_SH =
183
184 SCRIPT_SH += perf-archive.sh
185
186 grep-libs = $(filter -l%,$(1))
187 strip-libs = $(filter-out -l%,$(1))
188
189 $(OUTPUT)python/perf.so: $(PYRF_OBJS)
190         $(QUIET_GEN)CFLAGS='$(BASIC_CFLAGS)' $(PYTHON_WORD) util/setup.py \
191           --quiet build_ext; \
192         mkdir -p $(OUTPUT)python && \
193         cp $(PYTHON_EXTBUILD_LIB)perf.so $(OUTPUT)python/
194 #
195 # No Perl scripts right now:
196 #
197
198 SCRIPTS = $(patsubst %.sh,%,$(SCRIPT_SH))
199
200 #
201 # Single 'perf' binary right now:
202 #
203 PROGRAMS += $(OUTPUT)perf
204
205 LANG_BINDINGS =
206
207 # what 'all' will build and 'install' will install, in perfexecdir
208 ALL_PROGRAMS = $(PROGRAMS) $(SCRIPTS)
209
210 # what 'all' will build but not install in perfexecdir
211 OTHER_PROGRAMS = $(OUTPUT)perf
212
213 # Set paths to tools early so that they can be used for version tests.
214 ifndef SHELL_PATH
215         SHELL_PATH = /bin/sh
216 endif
217 ifndef PERL_PATH
218         PERL_PATH = /usr/bin/perl
219 endif
220
221 export PERL_PATH
222
223 LIB_FILE=$(OUTPUT)libperf.a
224
225 LIB_H += ../../include/linux/perf_event.h
226 LIB_H += ../../include/linux/rbtree.h
227 LIB_H += ../../include/linux/list.h
228 LIB_H += ../../include/linux/const.h
229 LIB_H += ../../include/linux/hash.h
230 LIB_H += ../../include/linux/stringify.h
231 LIB_H += util/include/linux/bitmap.h
232 LIB_H += util/include/linux/bitops.h
233 LIB_H += util/include/linux/compiler.h
234 LIB_H += util/include/linux/const.h
235 LIB_H += util/include/linux/ctype.h
236 LIB_H += util/include/linux/kernel.h
237 LIB_H += util/include/linux/list.h
238 LIB_H += util/include/linux/module.h
239 LIB_H += util/include/linux/poison.h
240 LIB_H += util/include/linux/prefetch.h
241 LIB_H += util/include/linux/rbtree.h
242 LIB_H += util/include/linux/string.h
243 LIB_H += util/include/linux/types.h
244 LIB_H += util/include/linux/linkage.h
245 LIB_H += util/include/asm/asm-offsets.h
246 LIB_H += util/include/asm/bug.h
247 LIB_H += util/include/asm/byteorder.h
248 LIB_H += util/include/asm/hweight.h
249 LIB_H += util/include/asm/swab.h
250 LIB_H += util/include/asm/system.h
251 LIB_H += util/include/asm/uaccess.h
252 LIB_H += util/include/dwarf-regs.h
253 LIB_H += util/include/asm/dwarf2.h
254 LIB_H += util/include/asm/cpufeature.h
255 LIB_H += perf.h
256 LIB_H += util/annotate.h
257 LIB_H += util/cache.h
258 LIB_H += util/callchain.h
259 LIB_H += util/build-id.h
260 LIB_H += util/debug.h
261 LIB_H += util/debugfs.h
262 LIB_H += util/event.h
263 LIB_H += util/evsel.h
264 LIB_H += util/evlist.h
265 LIB_H += util/exec_cmd.h
266 LIB_H += util/types.h
267 LIB_H += util/levenshtein.h
268 LIB_H += util/map.h
269 LIB_H += util/parse-options.h
270 LIB_H += util/parse-events.h
271 LIB_H += util/quote.h
272 LIB_H += util/util.h
273 LIB_H += util/xyarray.h
274 LIB_H += util/header.h
275 LIB_H += util/help.h
276 LIB_H += util/session.h
277 LIB_H += util/strbuf.h
278 LIB_H += util/strlist.h
279 LIB_H += util/strfilter.h
280 LIB_H += util/svghelper.h
281 LIB_H += util/run-command.h
282 LIB_H += util/sigchain.h
283 LIB_H += util/symbol.h
284 LIB_H += util/color.h
285 LIB_H += util/values.h
286 LIB_H += util/sort.h
287 LIB_H += util/hist.h
288 LIB_H += util/thread.h
289 LIB_H += util/thread_map.h
290 LIB_H += util/trace-event.h
291 LIB_H += util/probe-finder.h
292 LIB_H += util/dwarf-aux.h
293 LIB_H += util/probe-event.h
294 LIB_H += util/pstack.h
295 LIB_H += util/cpumap.h
296 LIB_H += util/top.h
297 LIB_H += $(ARCH_INCLUDE)
298 LIB_H += util/cgroup.h
299
300 LIB_OBJS += $(OUTPUT)util/abspath.o
301 LIB_OBJS += $(OUTPUT)util/alias.o
302 LIB_OBJS += $(OUTPUT)util/annotate.o
303 LIB_OBJS += $(OUTPUT)util/build-id.o
304 LIB_OBJS += $(OUTPUT)util/config.o
305 LIB_OBJS += $(OUTPUT)util/ctype.o
306 LIB_OBJS += $(OUTPUT)util/debugfs.o
307 LIB_OBJS += $(OUTPUT)util/environment.o
308 LIB_OBJS += $(OUTPUT)util/event.o
309 LIB_OBJS += $(OUTPUT)util/evlist.o
310 LIB_OBJS += $(OUTPUT)util/evsel.o
311 LIB_OBJS += $(OUTPUT)util/exec_cmd.o
312 LIB_OBJS += $(OUTPUT)util/help.o
313 LIB_OBJS += $(OUTPUT)util/levenshtein.o
314 LIB_OBJS += $(OUTPUT)util/parse-options.o
315 LIB_OBJS += $(OUTPUT)util/parse-events.o
316 LIB_OBJS += $(OUTPUT)util/path.o
317 LIB_OBJS += $(OUTPUT)util/rbtree.o
318 LIB_OBJS += $(OUTPUT)util/bitmap.o
319 LIB_OBJS += $(OUTPUT)util/hweight.o
320 LIB_OBJS += $(OUTPUT)util/run-command.o
321 LIB_OBJS += $(OUTPUT)util/quote.o
322 LIB_OBJS += $(OUTPUT)util/strbuf.o
323 LIB_OBJS += $(OUTPUT)util/string.o
324 LIB_OBJS += $(OUTPUT)util/strlist.o
325 LIB_OBJS += $(OUTPUT)util/strfilter.o
326 LIB_OBJS += $(OUTPUT)util/top.o
327 LIB_OBJS += $(OUTPUT)util/usage.o
328 LIB_OBJS += $(OUTPUT)util/wrapper.o
329 LIB_OBJS += $(OUTPUT)util/sigchain.o
330 LIB_OBJS += $(OUTPUT)util/symbol.o
331 LIB_OBJS += $(OUTPUT)util/color.o
332 LIB_OBJS += $(OUTPUT)util/pager.o
333 LIB_OBJS += $(OUTPUT)util/header.o
334 LIB_OBJS += $(OUTPUT)util/callchain.o
335 LIB_OBJS += $(OUTPUT)util/values.o
336 LIB_OBJS += $(OUTPUT)util/debug.o
337 LIB_OBJS += $(OUTPUT)util/map.o
338 LIB_OBJS += $(OUTPUT)util/pstack.o
339 LIB_OBJS += $(OUTPUT)util/session.o
340 LIB_OBJS += $(OUTPUT)util/thread.o
341 LIB_OBJS += $(OUTPUT)util/thread_map.o
342 LIB_OBJS += $(OUTPUT)util/trace-event-parse.o
343 LIB_OBJS += $(OUTPUT)util/trace-event-read.o
344 LIB_OBJS += $(OUTPUT)util/trace-event-info.o
345 LIB_OBJS += $(OUTPUT)util/trace-event-scripting.o
346 LIB_OBJS += $(OUTPUT)util/svghelper.o
347 LIB_OBJS += $(OUTPUT)util/sort.o
348 LIB_OBJS += $(OUTPUT)util/hist.o
349 LIB_OBJS += $(OUTPUT)util/probe-event.o
350 LIB_OBJS += $(OUTPUT)util/util.o
351 LIB_OBJS += $(OUTPUT)util/xyarray.o
352 LIB_OBJS += $(OUTPUT)util/cpumap.o
353 LIB_OBJS += $(OUTPUT)util/cgroup.o
354
355 BUILTIN_OBJS += $(OUTPUT)builtin-annotate.o
356
357 BUILTIN_OBJS += $(OUTPUT)builtin-bench.o
358
359 # Benchmark modules
360 BUILTIN_OBJS += $(OUTPUT)bench/sched-messaging.o
361 BUILTIN_OBJS += $(OUTPUT)bench/sched-pipe.o
362 ifeq ($(RAW_ARCH),x86_64)
363 BUILTIN_OBJS += $(OUTPUT)bench/mem-memcpy-x86-64-asm.o
364 endif
365 BUILTIN_OBJS += $(OUTPUT)bench/mem-memcpy.o
366
367 BUILTIN_OBJS += $(OUTPUT)builtin-diff.o
368 BUILTIN_OBJS += $(OUTPUT)builtin-evlist.o
369 BUILTIN_OBJS += $(OUTPUT)builtin-help.o
370 BUILTIN_OBJS += $(OUTPUT)builtin-sched.o
371 BUILTIN_OBJS += $(OUTPUT)builtin-buildid-list.o
372 BUILTIN_OBJS += $(OUTPUT)builtin-buildid-cache.o
373 BUILTIN_OBJS += $(OUTPUT)builtin-list.o
374 BUILTIN_OBJS += $(OUTPUT)builtin-record.o
375 BUILTIN_OBJS += $(OUTPUT)builtin-report.o
376 BUILTIN_OBJS += $(OUTPUT)builtin-stat.o
377 BUILTIN_OBJS += $(OUTPUT)builtin-timechart.o
378 BUILTIN_OBJS += $(OUTPUT)builtin-top.o
379 BUILTIN_OBJS += $(OUTPUT)builtin-script.o
380 BUILTIN_OBJS += $(OUTPUT)builtin-probe.o
381 BUILTIN_OBJS += $(OUTPUT)builtin-kmem.o
382 BUILTIN_OBJS += $(OUTPUT)builtin-lock.o
383 BUILTIN_OBJS += $(OUTPUT)builtin-kvm.o
384 BUILTIN_OBJS += $(OUTPUT)builtin-test.o
385 BUILTIN_OBJS += $(OUTPUT)builtin-inject.o
386
387 PERFLIBS = $(LIB_FILE)
388
389 # Files needed for the python binding, perf.so
390 # pyrf is just an internal name needed for all those wrappers.
391 # This has to be in sync with what is in the 'sources' variable in
392 # tools/perf/util/setup.py
393
394 PYRF_OBJS += $(OUTPUT)util/cpumap.o
395 PYRF_OBJS += $(OUTPUT)util/ctype.o
396 PYRF_OBJS += $(OUTPUT)util/evlist.o
397 PYRF_OBJS += $(OUTPUT)util/evsel.o
398 PYRF_OBJS += $(OUTPUT)util/python.o
399 PYRF_OBJS += $(OUTPUT)util/thread_map.o
400 PYRF_OBJS += $(OUTPUT)util/util.o
401 PYRF_OBJS += $(OUTPUT)util/xyarray.o
402
403 #
404 # Platform specific tweaks
405 #
406
407 # We choose to avoid "if .. else if .. else .. endif endif"
408 # because maintaining the nesting to match is a pain.  If
409 # we had "elif" things would have been much nicer...
410
411 -include config.mak.autogen
412 -include config.mak
413
414 ifndef NO_DWARF
415 FLAGS_DWARF=$(ALL_CFLAGS) -ldw -lelf $(ALL_LDFLAGS) $(EXTLIBS)
416 ifneq ($(call try-cc,$(SOURCE_DWARF),$(FLAGS_DWARF)),y)
417         msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
418         NO_DWARF := 1
419 endif # Dwarf support
420 endif # NO_DWARF
421
422 -include arch/$(ARCH)/Makefile
423
424 ifneq ($(OUTPUT),)
425         BASIC_CFLAGS += -I$(OUTPUT)
426 endif
427
428 FLAGS_LIBELF=$(ALL_CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS)
429 ifneq ($(call try-cc,$(SOURCE_LIBELF),$(FLAGS_LIBELF)),y)
430         FLAGS_GLIBC=$(ALL_CFLAGS) $(ALL_LDFLAGS)
431         ifneq ($(call try-cc,$(SOURCE_GLIBC),$(FLAGS_GLIBC)),y)
432                 msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]/glibc-static);
433         else
434                 msg := $(error No libelf.h/libelf found, please install libelf-dev/elfutils-libelf-devel);
435         endif
436 endif
437
438 ifneq ($(call try-cc,$(SOURCE_ELF_MMAP),$(FLAGS_COMMON)),y)
439         BASIC_CFLAGS += -DLIBELF_NO_MMAP
440 endif
441
442 ifndef NO_DWARF
443 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
444         msg := $(warning DWARF register mappings have not been defined for architecture $(ARCH), DWARF support disabled);
445 else
446         BASIC_CFLAGS += -DDWARF_SUPPORT
447         EXTLIBS += -lelf -ldw
448         LIB_OBJS += $(OUTPUT)util/probe-finder.o
449         LIB_OBJS += $(OUTPUT)util/dwarf-aux.o
450 endif # PERF_HAVE_DWARF_REGS
451 endif # NO_DWARF
452
453 ifdef NO_NEWT
454         BASIC_CFLAGS += -DNO_NEWT_SUPPORT
455 else
456         FLAGS_NEWT=$(ALL_CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) -lnewt
457         ifneq ($(call try-cc,$(SOURCE_NEWT),$(FLAGS_NEWT)),y)
458                 msg := $(warning newt not found, disables TUI support. Please install newt-devel or libnewt-dev);
459                 BASIC_CFLAGS += -DNO_NEWT_SUPPORT
460         else
461                 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
462                 BASIC_CFLAGS += -I/usr/include/slang
463                 EXTLIBS += -lnewt -lslang
464                 LIB_OBJS += $(OUTPUT)util/ui/setup.o
465                 LIB_OBJS += $(OUTPUT)util/ui/browser.o
466                 LIB_OBJS += $(OUTPUT)util/ui/browsers/annotate.o
467                 LIB_OBJS += $(OUTPUT)util/ui/browsers/hists.o
468                 LIB_OBJS += $(OUTPUT)util/ui/browsers/map.o
469                 LIB_OBJS += $(OUTPUT)util/ui/browsers/top.o
470                 LIB_OBJS += $(OUTPUT)util/ui/helpline.o
471                 LIB_OBJS += $(OUTPUT)util/ui/progress.o
472                 LIB_OBJS += $(OUTPUT)util/ui/util.o
473                 LIB_H += util/ui/browser.h
474                 LIB_H += util/ui/browsers/map.h
475                 LIB_H += util/ui/helpline.h
476                 LIB_H += util/ui/libslang.h
477                 LIB_H += util/ui/progress.h
478                 LIB_H += util/ui/util.h
479                 LIB_H += util/ui/ui.h
480         endif
481 endif
482
483 ifdef NO_LIBPERL
484         BASIC_CFLAGS += -DNO_LIBPERL
485 else
486        PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
487        PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
488        PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
489         PERL_EMBED_CCOPTS = `perl -MExtUtils::Embed -e ccopts 2>/dev/null`
490         FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
491
492         ifneq ($(call try-cc,$(SOURCE_PERL_EMBED),$(FLAGS_PERL_EMBED)),y)
493                 BASIC_CFLAGS += -DNO_LIBPERL
494         else
495                ALL_LDFLAGS += $(PERL_EMBED_LDFLAGS)
496                EXTLIBS += $(PERL_EMBED_LIBADD)
497                 LIB_OBJS += $(OUTPUT)util/scripting-engines/trace-event-perl.o
498                 LIB_OBJS += $(OUTPUT)scripts/perl/Perf-Trace-Util/Context.o
499         endif
500 endif
501
502 disable-python = $(eval $(disable-python_code))
503 define disable-python_code
504   BASIC_CFLAGS += -DNO_LIBPYTHON
505   $(if $(1),$(warning No $(1) was found))
506   $(warning Python support won't be built)
507 endef
508
509 override PYTHON := \
510   $(call get-executable-or-default,PYTHON,python)
511
512 ifndef PYTHON
513   $(call disable-python,python interpreter)
514   python-clean :=
515 else
516
517   PYTHON_WORD := $(call shell-wordify,$(PYTHON))
518
519   # python extension build directories
520   PYTHON_EXTBUILD     := $(OUTPUT)python_ext_build/
521   PYTHON_EXTBUILD_LIB := $(PYTHON_EXTBUILD)lib/
522   PYTHON_EXTBUILD_TMP := $(PYTHON_EXTBUILD)tmp/
523   export PYTHON_EXTBUILD_LIB PYTHON_EXTBUILD_TMP
524
525   python-clean := rm -rf $(PYTHON_EXTBUILD) $(OUTPUT)python/perf.so
526
527   ifdef NO_LIBPYTHON
528     $(call disable-python)
529   else
530
531     override PYTHON_CONFIG := \
532       $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON)-config)
533
534     ifndef PYTHON_CONFIG
535       $(call disable-python,python-config tool)
536     else
537
538       PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
539
540       PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
541       PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
542       PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS))
543       PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
544       FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
545
546       ifneq ($(call try-cc,$(SOURCE_PYTHON_EMBED),$(FLAGS_PYTHON_EMBED)),y)
547         $(call disable-python,Python.h (for Python 2.x))
548       else
549
550         ifneq ($(call try-cc,$(SOURCE_PYTHON_VERSION),$(FLAGS_PYTHON_EMBED)),y)
551           $(warning Python 3 is not yet supported; please set)
552           $(warning PYTHON and/or PYTHON_CONFIG appropriately.)
553           $(warning If you also have Python 2 installed, then)
554           $(warning try something like:)
555           $(warning $(and ,))
556           $(warning $(and ,)  make PYTHON=python2)
557           $(warning $(and ,))
558           $(warning Otherwise, disable Python support entirely:)
559           $(warning $(and ,))
560           $(warning $(and ,)  make NO_LIBPYTHON=1)
561           $(warning $(and ,))
562           $(error   $(and ,))
563         else
564           ALL_LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
565           EXTLIBS += $(PYTHON_EMBED_LIBADD)
566           LIB_OBJS += $(OUTPUT)util/scripting-engines/trace-event-python.o
567           LIB_OBJS += $(OUTPUT)scripts/python/Perf-Trace-Util/Context.o
568           LANG_BINDINGS += $(OUTPUT)python/perf.so
569         endif
570
571       endif
572     endif
573   endif
574 endif
575
576 ifdef NO_DEMANGLE
577         BASIC_CFLAGS += -DNO_DEMANGLE
578 else
579         ifdef HAVE_CPLUS_DEMANGLE
580                 EXTLIBS += -liberty
581                 BASIC_CFLAGS += -DHAVE_CPLUS_DEMANGLE
582         else
583                 FLAGS_BFD=$(ALL_CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) -lbfd
584                 has_bfd := $(call try-cc,$(SOURCE_BFD),$(FLAGS_BFD))
585                 ifeq ($(has_bfd),y)
586                         EXTLIBS += -lbfd
587                 else
588                         FLAGS_BFD_IBERTY=$(FLAGS_BFD) -liberty
589                         has_bfd_iberty := $(call try-cc,$(SOURCE_BFD),$(FLAGS_BFD_IBERTY))
590                         ifeq ($(has_bfd_iberty),y)
591                                 EXTLIBS += -lbfd -liberty
592                         else
593                                 FLAGS_BFD_IBERTY_Z=$(FLAGS_BFD_IBERTY) -lz
594                                 has_bfd_iberty_z := $(call try-cc,$(SOURCE_BFD),$(FLAGS_BFD_IBERTY_Z))
595                                 ifeq ($(has_bfd_iberty_z),y)
596                                         EXTLIBS += -lbfd -liberty -lz
597                                 else
598                                         FLAGS_CPLUS_DEMANGLE=$(ALL_CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) -liberty
599                                         has_cplus_demangle := $(call try-cc,$(SOURCE_CPLUS_DEMANGLE),$(FLAGS_CPLUS_DEMANGLE))
600                                         ifeq ($(has_cplus_demangle),y)
601                                                 EXTLIBS += -liberty
602                                                 BASIC_CFLAGS += -DHAVE_CPLUS_DEMANGLE
603                                         else
604                                                 msg := $(warning No bfd.h/libbfd found, install binutils-dev[el]/zlib-static to gain symbol demangling)
605                                                 BASIC_CFLAGS += -DNO_DEMANGLE
606                                         endif
607                                 endif
608                         endif
609                 endif
610         endif
611 endif
612
613
614 ifdef NO_STRLCPY
615         BASIC_CFLAGS += -DNO_STRLCPY
616 else
617         ifneq ($(call try-cc,$(SOURCE_STRLCPY),),y)
618                 BASIC_CFLAGS += -DNO_STRLCPY
619         endif
620 endif
621
622 ifneq ($(findstring $(MAKEFLAGS),s),s)
623 ifndef V
624         QUIET_CC       = @echo '   ' CC $@;
625         QUIET_AR       = @echo '   ' AR $@;
626         QUIET_LINK     = @echo '   ' LINK $@;
627         QUIET_MKDIR    = @echo '   ' MKDIR $@;
628         QUIET_GEN      = @echo '   ' GEN $@;
629 endif
630 endif
631
632 ifdef ASCIIDOC8
633         export ASCIIDOC8
634 endif
635
636 # Shell quote (do not use $(call) to accommodate ancient setups);
637
638 ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
639
640 DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
641 bindir_SQ = $(subst ','\'',$(bindir))
642 bindir_relative_SQ = $(subst ','\'',$(bindir_relative))
643 mandir_SQ = $(subst ','\'',$(mandir))
644 infodir_SQ = $(subst ','\'',$(infodir))
645 perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
646 template_dir_SQ = $(subst ','\'',$(template_dir))
647 htmldir_SQ = $(subst ','\'',$(htmldir))
648 prefix_SQ = $(subst ','\'',$(prefix))
649
650 SHELL_PATH_SQ = $(subst ','\'',$(SHELL_PATH))
651
652 LIBS = -Wl,--whole-archive $(PERFLIBS) -Wl,--no-whole-archive -Wl,--start-group $(EXTLIBS) -Wl,--end-group
653
654 ALL_CFLAGS += $(BASIC_CFLAGS)
655 ALL_CFLAGS += $(ARCH_CFLAGS)
656 ALL_LDFLAGS += $(BASIC_LDFLAGS)
657
658 export INSTALL SHELL_PATH
659
660
661 ### Build rules
662
663 SHELL = $(SHELL_PATH)
664
665 all: shell_compatibility_test $(ALL_PROGRAMS) $(LANG_BINDINGS) $(OTHER_PROGRAMS)
666
667 please_set_SHELL_PATH_to_a_more_modern_shell:
668         @$$(:)
669
670 shell_compatibility_test: please_set_SHELL_PATH_to_a_more_modern_shell
671
672 strip: $(PROGRAMS) $(OUTPUT)perf
673         $(STRIP) $(STRIP_OPTS) $(PROGRAMS) $(OUTPUT)perf
674
675 $(OUTPUT)perf.o: perf.c $(OUTPUT)common-cmds.h $(OUTPUT)PERF-CFLAGS
676         $(QUIET_CC)$(CC) -DPERF_VERSION='"$(PERF_VERSION)"' \
677                 '-DPERF_HTML_PATH="$(htmldir_SQ)"' \
678                 $(ALL_CFLAGS) -c $(filter %.c,$^) -o $@
679
680 $(OUTPUT)perf: $(OUTPUT)perf.o $(BUILTIN_OBJS) $(PERFLIBS)
681         $(QUIET_LINK)$(CC) $(ALL_CFLAGS) $(ALL_LDFLAGS) $(OUTPUT)perf.o \
682                $(BUILTIN_OBJS) $(LIBS) -o $@
683
684 $(OUTPUT)builtin-help.o: builtin-help.c $(OUTPUT)common-cmds.h $(OUTPUT)PERF-CFLAGS
685         $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) \
686                 '-DPERF_HTML_PATH="$(htmldir_SQ)"' \
687                 '-DPERF_MAN_PATH="$(mandir_SQ)"' \
688                 '-DPERF_INFO_PATH="$(infodir_SQ)"' $<
689
690 $(OUTPUT)builtin-timechart.o: builtin-timechart.c $(OUTPUT)common-cmds.h $(OUTPUT)PERF-CFLAGS
691         $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) \
692                 '-DPERF_HTML_PATH="$(htmldir_SQ)"' \
693                 '-DPERF_MAN_PATH="$(mandir_SQ)"' \
694                 '-DPERF_INFO_PATH="$(infodir_SQ)"' $<
695
696 $(OUTPUT)common-cmds.h: util/generate-cmdlist.sh command-list.txt
697
698 $(OUTPUT)common-cmds.h: $(wildcard Documentation/perf-*.txt)
699         $(QUIET_GEN). util/generate-cmdlist.sh > $@+ && mv $@+ $@
700
701 $(SCRIPTS) : % : %.sh
702         $(QUIET_GEN)$(INSTALL) '$@.sh' '$(OUTPUT)$@'
703
704 # These can record PERF_VERSION
705 $(OUTPUT)perf.o perf.spec \
706         $(SCRIPTS) \
707         : $(OUTPUT)PERF-VERSION-FILE
708
709 $(OUTPUT)%.o: %.c $(OUTPUT)PERF-CFLAGS
710         $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) $<
711 $(OUTPUT)%.s: %.c $(OUTPUT)PERF-CFLAGS
712         $(QUIET_CC)$(CC) -S $(ALL_CFLAGS) $<
713 $(OUTPUT)%.o: %.S
714         $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) $<
715
716 $(OUTPUT)util/exec_cmd.o: util/exec_cmd.c $(OUTPUT)PERF-CFLAGS
717         $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) \
718                 '-DPERF_EXEC_PATH="$(perfexecdir_SQ)"' \
719                 '-DBINDIR="$(bindir_relative_SQ)"' \
720                 '-DPREFIX="$(prefix_SQ)"' \
721                 $<
722
723 $(OUTPUT)util/config.o: util/config.c $(OUTPUT)PERF-CFLAGS
724         $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -DETC_PERFCONFIG='"$(ETC_PERFCONFIG_SQ)"' $<
725
726 $(OUTPUT)util/ui/browser.o: util/ui/browser.c $(OUTPUT)PERF-CFLAGS
727         $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -DENABLE_SLFUTURE_CONST $<
728
729 $(OUTPUT)util/ui/browsers/annotate.o: util/ui/browsers/annotate.c $(OUTPUT)PERF-CFLAGS
730         $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -DENABLE_SLFUTURE_CONST $<
731
732 $(OUTPUT)util/ui/browsers/top.o: util/ui/browsers/top.c $(OUTPUT)PERF-CFLAGS
733         $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -DENABLE_SLFUTURE_CONST $<
734
735 $(OUTPUT)util/ui/browsers/hists.o: util/ui/browsers/hists.c $(OUTPUT)PERF-CFLAGS
736         $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -DENABLE_SLFUTURE_CONST $<
737
738 $(OUTPUT)util/ui/browsers/map.o: util/ui/browsers/map.c $(OUTPUT)PERF-CFLAGS
739         $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -DENABLE_SLFUTURE_CONST $<
740
741 $(OUTPUT)util/rbtree.o: ../../lib/rbtree.c $(OUTPUT)PERF-CFLAGS
742         $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -DETC_PERFCONFIG='"$(ETC_PERFCONFIG_SQ)"' $<
743
744 $(OUTPUT)util/scripting-engines/trace-event-perl.o: util/scripting-engines/trace-event-perl.c $(OUTPUT)PERF-CFLAGS
745         $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) $(PERL_EMBED_CCOPTS) -Wno-redundant-decls -Wno-strict-prototypes -Wno-unused-parameter -Wno-shadow $<
746
747 $(OUTPUT)scripts/perl/Perf-Trace-Util/Context.o: scripts/perl/Perf-Trace-Util/Context.c $(OUTPUT)PERF-CFLAGS
748         $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) $(PERL_EMBED_CCOPTS) -Wno-redundant-decls -Wno-strict-prototypes -Wno-unused-parameter -Wno-nested-externs $<
749
750 $(OUTPUT)util/scripting-engines/trace-event-python.o: util/scripting-engines/trace-event-python.c $(OUTPUT)PERF-CFLAGS
751         $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) $(PYTHON_EMBED_CCOPTS) -Wno-redundant-decls -Wno-strict-prototypes -Wno-unused-parameter -Wno-shadow $<
752
753 $(OUTPUT)scripts/python/Perf-Trace-Util/Context.o: scripts/python/Perf-Trace-Util/Context.c $(OUTPUT)PERF-CFLAGS
754         $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) $(PYTHON_EMBED_CCOPTS) -Wno-redundant-decls -Wno-strict-prototypes -Wno-unused-parameter -Wno-nested-externs $<
755
756 $(OUTPUT)perf-%: %.o $(PERFLIBS)
757         $(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) $(LIBS)
758
759 $(LIB_OBJS) $(BUILTIN_OBJS): $(LIB_H)
760 $(patsubst perf-%,%.o,$(PROGRAMS)): $(LIB_H) $(wildcard */*.h)
761
762 # we compile into subdirectories. if the target directory is not the source directory, they might not exists. So
763 # we depend the various files onto their directories.
764 DIRECTORY_DEPS = $(LIB_OBJS) $(BUILTIN_OBJS) $(OUTPUT)PERF-VERSION-FILE $(OUTPUT)common-cmds.h
765 $(DIRECTORY_DEPS): | $(sort $(dir $(DIRECTORY_DEPS)))
766 # In the second step, we make a rule to actually create these directories
767 $(sort $(dir $(DIRECTORY_DEPS))):
768         $(QUIET_MKDIR)$(MKDIR) -p $@ 2>/dev/null
769
770 $(LIB_FILE): $(LIB_OBJS)
771         $(QUIET_AR)$(RM) $@ && $(AR) rcs $@ $(LIB_OBJS)
772
773 help:
774         @echo 'Perf make targets:'
775         @echo '  doc            - make *all* documentation (see below)'
776         @echo '  man            - make manpage documentation (access with man <foo>)'
777         @echo '  html           - make html documentation'
778         @echo '  info           - make GNU info documentation (access with info <foo>)'
779         @echo '  pdf            - make pdf documentation'
780         @echo '  TAGS           - use etags to make tag information for source browsing'
781         @echo '  tags           - use ctags to make tag information for source browsing'
782         @echo '  cscope - use cscope to make interactive browsing database'
783         @echo ''
784         @echo 'Perf install targets:'
785         @echo '  NOTE: documentation build requires asciidoc, xmlto packages to be installed'
786         @echo '  HINT: use "make prefix=<path> <install target>" to install to a particular'
787         @echo '        path like make prefix=/usr/local install install-doc'
788         @echo '  install        - install compiled binaries'
789         @echo '  install-doc    - install *all* documentation'
790         @echo '  install-man    - install manpage documentation'
791         @echo '  install-html   - install html documentation'
792         @echo '  install-info   - install GNU info documentation'
793         @echo '  install-pdf    - install pdf documentation'
794         @echo ''
795         @echo '  quick-install-doc      - alias for quick-install-man'
796         @echo '  quick-install-man      - install the documentation quickly'
797         @echo '  quick-install-html     - install the html documentation quickly'
798         @echo ''
799         @echo 'Perf maintainer targets:'
800         @echo '  distclean              - alias to clean'
801         @echo '  clean                  - clean all binary objects and build output'
802
803 doc:
804         $(MAKE) -C Documentation all
805
806 man:
807         $(MAKE) -C Documentation man
808
809 html:
810         $(MAKE) -C Documentation html
811
812 info:
813         $(MAKE) -C Documentation info
814
815 pdf:
816         $(MAKE) -C Documentation pdf
817
818 TAGS:
819         $(RM) TAGS
820         $(FIND) . -name '*.[hcS]' -print | xargs etags -a
821
822 tags:
823         $(RM) tags
824         $(FIND) . -name '*.[hcS]' -print | xargs ctags -a
825
826 cscope:
827         $(RM) cscope*
828         $(FIND) . -name '*.[hcS]' -print | xargs cscope -b
829
830 ### Detect prefix changes
831 TRACK_CFLAGS = $(subst ','\'',$(ALL_CFLAGS)):\
832              $(bindir_SQ):$(perfexecdir_SQ):$(template_dir_SQ):$(prefix_SQ)
833
834 $(OUTPUT)PERF-CFLAGS: .FORCE-PERF-CFLAGS
835         @FLAGS='$(TRACK_CFLAGS)'; \
836             if test x"$$FLAGS" != x"`cat $(OUTPUT)PERF-CFLAGS 2>/dev/null`" ; then \
837                 echo 1>&2 "    * new build flags or prefix"; \
838                 echo "$$FLAGS" >$(OUTPUT)PERF-CFLAGS; \
839             fi
840
841 ### Testing rules
842
843 # GNU make supports exporting all variables by "export" without parameters.
844 # However, the environment gets quite big, and some programs have problems
845 # with that.
846
847 check: $(OUTPUT)common-cmds.h
848         if sparse; \
849         then \
850                 for i in *.c */*.c; \
851                 do \
852                         sparse $(ALL_CFLAGS) $(SPARSE_FLAGS) $$i || exit; \
853                 done; \
854         else \
855                 exit 1; \
856         fi
857
858 ### Installation rules
859
860 ifneq ($(filter /%,$(firstword $(perfexecdir))),)
861 perfexec_instdir = $(perfexecdir)
862 else
863 perfexec_instdir = $(prefix)/$(perfexecdir)
864 endif
865 perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
866
867 install: all
868         $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(bindir_SQ)'
869         $(INSTALL) $(OUTPUT)perf '$(DESTDIR_SQ)$(bindir_SQ)'
870         $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/perl/Perf-Trace-Util/lib/Perf/Trace'
871         $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/perl/bin'
872         $(INSTALL) $(OUTPUT)perf-archive -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)'
873         $(INSTALL) scripts/perl/Perf-Trace-Util/lib/Perf/Trace/* -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/perl/Perf-Trace-Util/lib/Perf/Trace'
874         $(INSTALL) scripts/perl/*.pl -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/perl'
875         $(INSTALL) scripts/perl/bin/* -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/perl/bin'
876         $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/python/Perf-Trace-Util/lib/Perf/Trace'
877         $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/python/bin'
878         $(INSTALL) scripts/python/Perf-Trace-Util/lib/Perf/Trace/* -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/python/Perf-Trace-Util/lib/Perf/Trace'
879         $(INSTALL) scripts/python/*.py -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/python'
880         $(INSTALL) scripts/python/bin/* -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/python/bin'
881
882 install-python_ext:
883         $(PYTHON_WORD) util/setup.py --quiet install --root='/$(DESTDIR_SQ)'
884
885 install-doc:
886         $(MAKE) -C Documentation install
887
888 install-man:
889         $(MAKE) -C Documentation install-man
890
891 install-html:
892         $(MAKE) -C Documentation install-html
893
894 install-info:
895         $(MAKE) -C Documentation install-info
896
897 install-pdf:
898         $(MAKE) -C Documentation install-pdf
899
900 quick-install-doc:
901         $(MAKE) -C Documentation quick-install
902
903 quick-install-man:
904         $(MAKE) -C Documentation quick-install-man
905
906 quick-install-html:
907         $(MAKE) -C Documentation quick-install-html
908
909 ### Cleaning rules
910
911 clean:
912         $(RM) $(LIB_OBJS) $(BUILTIN_OBJS) $(LIB_FILE) $(OUTPUT)perf-archive $(OUTPUT)perf.o $(LANG_BINDINGS)
913         $(RM) $(ALL_PROGRAMS) perf
914         $(RM) *.spec *.pyc *.pyo */*.pyc */*.pyo $(OUTPUT)common-cmds.h TAGS tags cscope*
915         $(MAKE) -C Documentation/ clean
916         $(RM) $(OUTPUT)PERF-VERSION-FILE $(OUTPUT)PERF-CFLAGS
917         $(python-clean)
918
919 .PHONY: all install clean strip
920 .PHONY: shell_compatibility_test please_set_SHELL_PATH_to_a_more_modern_shell
921 .PHONY: .FORCE-PERF-VERSION-FILE TAGS tags cscope .FORCE-PERF-CFLAGS