Merge branch 'perf/core' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux...
[firefly-linux-kernel-4.4.55.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 $(OUTPUT)PERF-VERSION-FILE: .FORCE-PERF-VERSION-FILE
35         @$(SHELL_PATH) util/PERF-VERSION-GEN $(OUTPUT)
36 -include $(OUTPUT)PERF-VERSION-FILE
37
38 uname_M := $(shell uname -m 2>/dev/null || echo not)
39
40 ARCH ?= $(shell echo $(uname_M) | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ \
41                                   -e s/arm.*/arm/ -e s/sa110/arm/ \
42                                   -e s/s390x/s390/ -e s/parisc64/parisc/ \
43                                   -e s/ppc.*/powerpc/ -e s/mips.*/mips/ \
44                                   -e s/sh[234].*/sh/ )
45
46 CC = $(CROSS_COMPILE)gcc
47 AR = $(CROSS_COMPILE)ar
48
49 # Additional ARCH settings for x86
50 ifeq ($(ARCH),i386)
51         ARCH := x86
52 endif
53 ifeq ($(ARCH),x86_64)
54         ARCH := x86
55         IS_X86_64 := 0
56         ifeq (, $(findstring m32,$(EXTRA_CFLAGS)))
57                 IS_X86_64 := $(shell echo __x86_64__ | ${CC} -E -xc - | tail -n 1)
58         endif
59         ifeq (${IS_X86_64}, 1)
60                 RAW_ARCH := x86_64
61                 ARCH_CFLAGS := -DARCH_X86_64
62                 ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S
63         endif
64 endif
65
66 #
67 # Include saner warnings here, which can catch bugs:
68 #
69
70 EXTRA_WARNINGS := -Wformat
71 EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wformat-security
72 EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wformat-y2k
73 EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wshadow
74 EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Winit-self
75 EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wpacked
76 EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wredundant-decls
77 EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wstrict-aliasing=3
78 EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wswitch-default
79 EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wswitch-enum
80 EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wno-system-headers
81 EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wundef
82 EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wwrite-strings
83 EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wbad-function-cast
84 EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wmissing-declarations
85 EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wmissing-prototypes
86 EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wnested-externs
87 EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wold-style-definition
88 EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wstrict-prototypes
89 EXTRA_WARNINGS := $(EXTRA_WARNINGS) -Wdeclaration-after-statement
90
91 ifeq ("$(origin DEBUG)", "command line")
92   PERF_DEBUG = $(DEBUG)
93 endif
94 ifndef PERF_DEBUG
95   CFLAGS_OPTIMIZE = -O6
96 endif
97
98 CFLAGS = -fno-omit-frame-pointer -ggdb3 -Wall -Wextra -std=gnu99 -Werror $(CFLAGS_OPTIMIZE) -D_FORTIFY_SOURCE=2 $(EXTRA_WARNINGS) $(EXTRA_CFLAGS)
99 EXTLIBS = -lpthread -lrt -lelf -lm
100 ALL_CFLAGS = $(CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
101 ALL_LDFLAGS = $(LDFLAGS)
102 STRIP ?= strip
103
104 # Among the variables below, these:
105 #   perfexecdir
106 #   template_dir
107 #   mandir
108 #   infodir
109 #   htmldir
110 #   ETC_PERFCONFIG (but not sysconfdir)
111 # can be specified as a relative path some/where/else;
112 # this is interpreted as relative to $(prefix) and "perf" at
113 # runtime figures out where they are based on the path to the executable.
114 # This can help installing the suite in a relocatable way.
115
116 # Make the path relative to DESTDIR, not to prefix
117 ifndef DESTDIR
118 prefix = $(HOME)
119 endif
120 bindir_relative = bin
121 bindir = $(prefix)/$(bindir_relative)
122 mandir = share/man
123 infodir = share/info
124 perfexecdir = libexec/perf-core
125 sharedir = $(prefix)/share
126 template_dir = share/perf-core/templates
127 htmldir = share/doc/perf-doc
128 ifeq ($(prefix),/usr)
129 sysconfdir = /etc
130 ETC_PERFCONFIG = $(sysconfdir)/perfconfig
131 else
132 sysconfdir = $(prefix)/etc
133 ETC_PERFCONFIG = etc/perfconfig
134 endif
135 lib = lib
136
137 export prefix bindir sharedir sysconfdir
138
139 RM = rm -f
140 MKDIR = mkdir
141 FIND = find
142 INSTALL = install
143
144 # sparse is architecture-neutral, which means that we need to tell it
145 # explicitly what architecture to check for. Fix this up for yours..
146 SPARSE_FLAGS = -D__BIG_ENDIAN__ -D__powerpc__
147
148 -include config/feature-tests.mak
149
150 ifeq ($(call try-cc,$(SOURCE_HELLO),-Werror -fstack-protector-all),y)
151         CFLAGS := $(CFLAGS) -fstack-protector-all
152 endif
153
154 ifeq ($(call try-cc,$(SOURCE_HELLO),-Werror -Wstack-protector),y)
155        CFLAGS := $(CFLAGS) -Wstack-protector
156 endif
157
158 ifeq ($(call try-cc,$(SOURCE_HELLO),-Werror -Wvolatile-register-var),y)
159        CFLAGS := $(CFLAGS) -Wvolatile-register-var
160 endif
161
162 ### --- END CONFIGURATION SECTION ---
163
164 # Those must not be GNU-specific; they are shared with perl/ which may
165 # be built by a different compiler. (Note that this is an artifact now
166 # but it still might be nice to keep that distinction.)
167 BASIC_CFLAGS = -Iutil/include -Iarch/$(ARCH)/include
168 BASIC_LDFLAGS =
169
170 # Guard against environment variables
171 BUILTIN_OBJS =
172 LIB_H =
173 LIB_OBJS =
174 PYRF_OBJS =
175 SCRIPT_SH =
176
177 SCRIPT_SH += perf-archive.sh
178
179 grep-libs = $(filter -l%,$(1))
180 strip-libs = $(filter-out -l%,$(1))
181
182 $(OUTPUT)python/perf.so: $(PYRF_OBJS)
183         $(QUIET_GEN)CFLAGS='$(BASIC_CFLAGS)' $(PYTHON_WORD) util/setup.py \
184           --quiet build_ext; \
185         mkdir -p $(OUTPUT)python && \
186         cp $(PYTHON_EXTBUILD_LIB)perf.so $(OUTPUT)python/
187 #
188 # No Perl scripts right now:
189 #
190
191 SCRIPTS = $(patsubst %.sh,%,$(SCRIPT_SH))
192
193 #
194 # Single 'perf' binary right now:
195 #
196 PROGRAMS += $(OUTPUT)perf
197
198 LANG_BINDINGS =
199
200 # what 'all' will build and 'install' will install, in perfexecdir
201 ALL_PROGRAMS = $(PROGRAMS) $(SCRIPTS)
202
203 # what 'all' will build but not install in perfexecdir
204 OTHER_PROGRAMS = $(OUTPUT)perf
205
206 # Set paths to tools early so that they can be used for version tests.
207 ifndef SHELL_PATH
208         SHELL_PATH = /bin/sh
209 endif
210 ifndef PERL_PATH
211         PERL_PATH = /usr/bin/perl
212 endif
213
214 export PERL_PATH
215
216 LIB_FILE=$(OUTPUT)libperf.a
217
218 LIB_H += ../../include/linux/perf_event.h
219 LIB_H += ../../include/linux/rbtree.h
220 LIB_H += ../../include/linux/list.h
221 LIB_H += ../../include/linux/const.h
222 LIB_H += ../../include/linux/hash.h
223 LIB_H += ../../include/linux/stringify.h
224 LIB_H += util/include/linux/bitmap.h
225 LIB_H += util/include/linux/bitops.h
226 LIB_H += util/include/linux/compiler.h
227 LIB_H += util/include/linux/const.h
228 LIB_H += util/include/linux/ctype.h
229 LIB_H += util/include/linux/kernel.h
230 LIB_H += util/include/linux/list.h
231 LIB_H += util/include/linux/module.h
232 LIB_H += util/include/linux/poison.h
233 LIB_H += util/include/linux/prefetch.h
234 LIB_H += util/include/linux/rbtree.h
235 LIB_H += util/include/linux/string.h
236 LIB_H += util/include/linux/types.h
237 LIB_H += util/include/linux/linkage.h
238 LIB_H += util/include/asm/asm-offsets.h
239 LIB_H += util/include/asm/bug.h
240 LIB_H += util/include/asm/byteorder.h
241 LIB_H += util/include/asm/hweight.h
242 LIB_H += util/include/asm/swab.h
243 LIB_H += util/include/asm/system.h
244 LIB_H += util/include/asm/uaccess.h
245 LIB_H += util/include/dwarf-regs.h
246 LIB_H += util/include/asm/dwarf2.h
247 LIB_H += util/include/asm/cpufeature.h
248 LIB_H += perf.h
249 LIB_H += util/annotate.h
250 LIB_H += util/cache.h
251 LIB_H += util/callchain.h
252 LIB_H += util/build-id.h
253 LIB_H += util/debug.h
254 LIB_H += util/debugfs.h
255 LIB_H += util/event.h
256 LIB_H += util/evsel.h
257 LIB_H += util/evlist.h
258 LIB_H += util/exec_cmd.h
259 LIB_H += util/types.h
260 LIB_H += util/levenshtein.h
261 LIB_H += util/map.h
262 LIB_H += util/parse-options.h
263 LIB_H += util/parse-events.h
264 LIB_H += util/quote.h
265 LIB_H += util/util.h
266 LIB_H += util/xyarray.h
267 LIB_H += util/header.h
268 LIB_H += util/help.h
269 LIB_H += util/session.h
270 LIB_H += util/strbuf.h
271 LIB_H += util/strlist.h
272 LIB_H += util/strfilter.h
273 LIB_H += util/svghelper.h
274 LIB_H += util/run-command.h
275 LIB_H += util/sigchain.h
276 LIB_H += util/symbol.h
277 LIB_H += util/color.h
278 LIB_H += util/values.h
279 LIB_H += util/sort.h
280 LIB_H += util/hist.h
281 LIB_H += util/thread.h
282 LIB_H += util/thread_map.h
283 LIB_H += util/trace-event.h
284 LIB_H += util/probe-finder.h
285 LIB_H += util/dwarf-aux.h
286 LIB_H += util/probe-event.h
287 LIB_H += util/pstack.h
288 LIB_H += util/cpumap.h
289 LIB_H += util/top.h
290 LIB_H += $(ARCH_INCLUDE)
291 LIB_H += util/cgroup.h
292
293 LIB_OBJS += $(OUTPUT)util/abspath.o
294 LIB_OBJS += $(OUTPUT)util/alias.o
295 LIB_OBJS += $(OUTPUT)util/annotate.o
296 LIB_OBJS += $(OUTPUT)util/build-id.o
297 LIB_OBJS += $(OUTPUT)util/config.o
298 LIB_OBJS += $(OUTPUT)util/ctype.o
299 LIB_OBJS += $(OUTPUT)util/debugfs.o
300 LIB_OBJS += $(OUTPUT)util/environment.o
301 LIB_OBJS += $(OUTPUT)util/event.o
302 LIB_OBJS += $(OUTPUT)util/evlist.o
303 LIB_OBJS += $(OUTPUT)util/evsel.o
304 LIB_OBJS += $(OUTPUT)util/exec_cmd.o
305 LIB_OBJS += $(OUTPUT)util/help.o
306 LIB_OBJS += $(OUTPUT)util/levenshtein.o
307 LIB_OBJS += $(OUTPUT)util/parse-options.o
308 LIB_OBJS += $(OUTPUT)util/parse-events.o
309 LIB_OBJS += $(OUTPUT)util/path.o
310 LIB_OBJS += $(OUTPUT)util/rbtree.o
311 LIB_OBJS += $(OUTPUT)util/bitmap.o
312 LIB_OBJS += $(OUTPUT)util/hweight.o
313 LIB_OBJS += $(OUTPUT)util/run-command.o
314 LIB_OBJS += $(OUTPUT)util/quote.o
315 LIB_OBJS += $(OUTPUT)util/strbuf.o
316 LIB_OBJS += $(OUTPUT)util/string.o
317 LIB_OBJS += $(OUTPUT)util/strlist.o
318 LIB_OBJS += $(OUTPUT)util/strfilter.o
319 LIB_OBJS += $(OUTPUT)util/top.o
320 LIB_OBJS += $(OUTPUT)util/usage.o
321 LIB_OBJS += $(OUTPUT)util/wrapper.o
322 LIB_OBJS += $(OUTPUT)util/sigchain.o
323 LIB_OBJS += $(OUTPUT)util/symbol.o
324 LIB_OBJS += $(OUTPUT)util/color.o
325 LIB_OBJS += $(OUTPUT)util/pager.o
326 LIB_OBJS += $(OUTPUT)util/header.o
327 LIB_OBJS += $(OUTPUT)util/callchain.o
328 LIB_OBJS += $(OUTPUT)util/values.o
329 LIB_OBJS += $(OUTPUT)util/debug.o
330 LIB_OBJS += $(OUTPUT)util/map.o
331 LIB_OBJS += $(OUTPUT)util/pstack.o
332 LIB_OBJS += $(OUTPUT)util/session.o
333 LIB_OBJS += $(OUTPUT)util/thread.o
334 LIB_OBJS += $(OUTPUT)util/thread_map.o
335 LIB_OBJS += $(OUTPUT)util/trace-event-parse.o
336 LIB_OBJS += $(OUTPUT)util/trace-event-read.o
337 LIB_OBJS += $(OUTPUT)util/trace-event-info.o
338 LIB_OBJS += $(OUTPUT)util/trace-event-scripting.o
339 LIB_OBJS += $(OUTPUT)util/svghelper.o
340 LIB_OBJS += $(OUTPUT)util/sort.o
341 LIB_OBJS += $(OUTPUT)util/hist.o
342 LIB_OBJS += $(OUTPUT)util/probe-event.o
343 LIB_OBJS += $(OUTPUT)util/util.o
344 LIB_OBJS += $(OUTPUT)util/xyarray.o
345 LIB_OBJS += $(OUTPUT)util/cpumap.o
346 LIB_OBJS += $(OUTPUT)util/cgroup.o
347
348 BUILTIN_OBJS += $(OUTPUT)builtin-annotate.o
349
350 BUILTIN_OBJS += $(OUTPUT)builtin-bench.o
351
352 # Benchmark modules
353 BUILTIN_OBJS += $(OUTPUT)bench/sched-messaging.o
354 BUILTIN_OBJS += $(OUTPUT)bench/sched-pipe.o
355 ifeq ($(RAW_ARCH),x86_64)
356 BUILTIN_OBJS += $(OUTPUT)bench/mem-memcpy-x86-64-asm.o
357 endif
358 BUILTIN_OBJS += $(OUTPUT)bench/mem-memcpy.o
359
360 BUILTIN_OBJS += $(OUTPUT)builtin-diff.o
361 BUILTIN_OBJS += $(OUTPUT)builtin-evlist.o
362 BUILTIN_OBJS += $(OUTPUT)builtin-help.o
363 BUILTIN_OBJS += $(OUTPUT)builtin-sched.o
364 BUILTIN_OBJS += $(OUTPUT)builtin-buildid-list.o
365 BUILTIN_OBJS += $(OUTPUT)builtin-buildid-cache.o
366 BUILTIN_OBJS += $(OUTPUT)builtin-list.o
367 BUILTIN_OBJS += $(OUTPUT)builtin-record.o
368 BUILTIN_OBJS += $(OUTPUT)builtin-report.o
369 BUILTIN_OBJS += $(OUTPUT)builtin-stat.o
370 BUILTIN_OBJS += $(OUTPUT)builtin-timechart.o
371 BUILTIN_OBJS += $(OUTPUT)builtin-top.o
372 BUILTIN_OBJS += $(OUTPUT)builtin-script.o
373 BUILTIN_OBJS += $(OUTPUT)builtin-probe.o
374 BUILTIN_OBJS += $(OUTPUT)builtin-kmem.o
375 BUILTIN_OBJS += $(OUTPUT)builtin-lock.o
376 BUILTIN_OBJS += $(OUTPUT)builtin-kvm.o
377 BUILTIN_OBJS += $(OUTPUT)builtin-test.o
378 BUILTIN_OBJS += $(OUTPUT)builtin-inject.o
379
380 PERFLIBS = $(LIB_FILE)
381
382 # Files needed for the python binding, perf.so
383 # pyrf is just an internal name needed for all those wrappers.
384 # This has to be in sync with what is in the 'sources' variable in
385 # tools/perf/util/setup.py
386
387 PYRF_OBJS += $(OUTPUT)util/cpumap.o
388 PYRF_OBJS += $(OUTPUT)util/ctype.o
389 PYRF_OBJS += $(OUTPUT)util/evlist.o
390 PYRF_OBJS += $(OUTPUT)util/evsel.o
391 PYRF_OBJS += $(OUTPUT)util/python.o
392 PYRF_OBJS += $(OUTPUT)util/thread_map.o
393 PYRF_OBJS += $(OUTPUT)util/util.o
394 PYRF_OBJS += $(OUTPUT)util/xyarray.o
395
396 #
397 # Platform specific tweaks
398 #
399
400 # We choose to avoid "if .. else if .. else .. endif endif"
401 # because maintaining the nesting to match is a pain.  If
402 # we had "elif" things would have been much nicer...
403
404 -include config.mak.autogen
405 -include config.mak
406
407 ifndef NO_DWARF
408 FLAGS_DWARF=$(ALL_CFLAGS) -ldw -lelf $(ALL_LDFLAGS) $(EXTLIBS)
409 ifneq ($(call try-cc,$(SOURCE_DWARF),$(FLAGS_DWARF)),y)
410         msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
411         NO_DWARF := 1
412 endif # Dwarf support
413 endif # NO_DWARF
414
415 -include arch/$(ARCH)/Makefile
416
417 ifneq ($(OUTPUT),)
418         BASIC_CFLAGS += -I$(OUTPUT)
419 endif
420
421 FLAGS_LIBELF=$(ALL_CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS)
422 ifneq ($(call try-cc,$(SOURCE_LIBELF),$(FLAGS_LIBELF)),y)
423         FLAGS_GLIBC=$(ALL_CFLAGS) $(ALL_LDFLAGS)
424         ifneq ($(call try-cc,$(SOURCE_GLIBC),$(FLAGS_GLIBC)),y)
425                 msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]/glibc-static);
426         else
427                 msg := $(error No libelf.h/libelf found, please install libelf-dev/elfutils-libelf-devel);
428         endif
429 endif
430
431 ifneq ($(call try-cc,$(SOURCE_ELF_MMAP),$(FLAGS_COMMON)),y)
432         BASIC_CFLAGS += -DLIBELF_NO_MMAP
433 endif
434
435 ifndef NO_DWARF
436 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
437         msg := $(warning DWARF register mappings have not been defined for architecture $(ARCH), DWARF support disabled);
438 else
439         BASIC_CFLAGS += -DDWARF_SUPPORT
440         EXTLIBS += -lelf -ldw
441         LIB_OBJS += $(OUTPUT)util/probe-finder.o
442         LIB_OBJS += $(OUTPUT)util/dwarf-aux.o
443 endif # PERF_HAVE_DWARF_REGS
444 endif # NO_DWARF
445
446 ifdef NO_NEWT
447         BASIC_CFLAGS += -DNO_NEWT_SUPPORT
448 else
449         FLAGS_NEWT=$(ALL_CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) -lnewt
450         ifneq ($(call try-cc,$(SOURCE_NEWT),$(FLAGS_NEWT)),y)
451                 msg := $(warning newt not found, disables TUI support. Please install newt-devel or libnewt-dev);
452                 BASIC_CFLAGS += -DNO_NEWT_SUPPORT
453         else
454                 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
455                 BASIC_CFLAGS += -I/usr/include/slang
456                 EXTLIBS += -lnewt -lslang
457                 LIB_OBJS += $(OUTPUT)util/ui/setup.o
458                 LIB_OBJS += $(OUTPUT)util/ui/browser.o
459                 LIB_OBJS += $(OUTPUT)util/ui/browsers/annotate.o
460                 LIB_OBJS += $(OUTPUT)util/ui/browsers/hists.o
461                 LIB_OBJS += $(OUTPUT)util/ui/browsers/map.o
462                 LIB_OBJS += $(OUTPUT)util/ui/browsers/top.o
463                 LIB_OBJS += $(OUTPUT)util/ui/helpline.o
464                 LIB_OBJS += $(OUTPUT)util/ui/progress.o
465                 LIB_OBJS += $(OUTPUT)util/ui/util.o
466                 LIB_H += util/ui/browser.h
467                 LIB_H += util/ui/browsers/map.h
468                 LIB_H += util/ui/helpline.h
469                 LIB_H += util/ui/libslang.h
470                 LIB_H += util/ui/progress.h
471                 LIB_H += util/ui/util.h
472                 LIB_H += util/ui/ui.h
473         endif
474 endif
475
476 ifdef NO_LIBPERL
477         BASIC_CFLAGS += -DNO_LIBPERL
478 else
479        PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
480        PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
481        PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
482         PERL_EMBED_CCOPTS = `perl -MExtUtils::Embed -e ccopts 2>/dev/null`
483         FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
484
485         ifneq ($(call try-cc,$(SOURCE_PERL_EMBED),$(FLAGS_PERL_EMBED)),y)
486                 BASIC_CFLAGS += -DNO_LIBPERL
487         else
488                ALL_LDFLAGS += $(PERL_EMBED_LDFLAGS)
489                EXTLIBS += $(PERL_EMBED_LIBADD)
490                 LIB_OBJS += $(OUTPUT)util/scripting-engines/trace-event-perl.o
491                 LIB_OBJS += $(OUTPUT)scripts/perl/Perf-Trace-Util/Context.o
492         endif
493 endif
494
495 disable-python = $(eval $(disable-python_code))
496 define disable-python_code
497   BASIC_CFLAGS += -DNO_LIBPYTHON
498   $(if $(1),$(warning No $(1) was found))
499   $(warning Python support won't be built)
500 endef
501
502 override PYTHON := \
503   $(call get-executable-or-default,PYTHON,python)
504
505 ifndef PYTHON
506   $(call disable-python,python interpreter)
507   python-clean :=
508 else
509
510   PYTHON_WORD := $(call shell-wordify,$(PYTHON))
511
512   # python extension build directories
513   PYTHON_EXTBUILD     := $(OUTPUT)python_ext_build/
514   PYTHON_EXTBUILD_LIB := $(PYTHON_EXTBUILD)lib/
515   PYTHON_EXTBUILD_TMP := $(PYTHON_EXTBUILD)tmp/
516   export PYTHON_EXTBUILD_LIB PYTHON_EXTBUILD_TMP
517
518   python-clean := rm -rf $(PYTHON_EXTBUILD) $(OUTPUT)python/perf.so
519
520   ifdef NO_LIBPYTHON
521     $(call disable-python)
522   else
523
524     override PYTHON_CONFIG := \
525       $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON)-config)
526
527     ifndef PYTHON_CONFIG
528       $(call disable-python,python-config tool)
529     else
530
531       PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
532
533       PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
534       PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
535       PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS))
536       PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
537       FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
538
539       ifneq ($(call try-cc,$(SOURCE_PYTHON_EMBED),$(FLAGS_PYTHON_EMBED)),y)
540         $(call disable-python,Python.h (for Python 2.x))
541       else
542
543         ifneq ($(call try-cc,$(SOURCE_PYTHON_VERSION),$(FLAGS_PYTHON_EMBED)),y)
544           $(warning Python 3 is not yet supported; please set)
545           $(warning PYTHON and/or PYTHON_CONFIG appropriately.)
546           $(warning If you also have Python 2 installed, then)
547           $(warning try something like:)
548           $(warning $(and ,))
549           $(warning $(and ,)  make PYTHON=python2)
550           $(warning $(and ,))
551           $(warning Otherwise, disable Python support entirely:)
552           $(warning $(and ,))
553           $(warning $(and ,)  make NO_LIBPYTHON=1)
554           $(warning $(and ,))
555           $(error   $(and ,))
556         else
557           ALL_LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
558           EXTLIBS += $(PYTHON_EMBED_LIBADD)
559           LIB_OBJS += $(OUTPUT)util/scripting-engines/trace-event-python.o
560           LIB_OBJS += $(OUTPUT)scripts/python/Perf-Trace-Util/Context.o
561           LANG_BINDINGS += $(OUTPUT)python/perf.so
562         endif
563
564       endif
565     endif
566   endif
567 endif
568
569 ifdef NO_DEMANGLE
570         BASIC_CFLAGS += -DNO_DEMANGLE
571 else
572         ifdef HAVE_CPLUS_DEMANGLE
573                 EXTLIBS += -liberty
574                 BASIC_CFLAGS += -DHAVE_CPLUS_DEMANGLE
575         else
576                 FLAGS_BFD=$(ALL_CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) -lbfd
577                 has_bfd := $(call try-cc,$(SOURCE_BFD),$(FLAGS_BFD))
578                 ifeq ($(has_bfd),y)
579                         EXTLIBS += -lbfd
580                 else
581                         FLAGS_BFD_IBERTY=$(FLAGS_BFD) -liberty
582                         has_bfd_iberty := $(call try-cc,$(SOURCE_BFD),$(FLAGS_BFD_IBERTY))
583                         ifeq ($(has_bfd_iberty),y)
584                                 EXTLIBS += -lbfd -liberty
585                         else
586                                 FLAGS_BFD_IBERTY_Z=$(FLAGS_BFD_IBERTY) -lz
587                                 has_bfd_iberty_z := $(call try-cc,$(SOURCE_BFD),$(FLAGS_BFD_IBERTY_Z))
588                                 ifeq ($(has_bfd_iberty_z),y)
589                                         EXTLIBS += -lbfd -liberty -lz
590                                 else
591                                         FLAGS_CPLUS_DEMANGLE=$(ALL_CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) -liberty
592                                         has_cplus_demangle := $(call try-cc,$(SOURCE_CPLUS_DEMANGLE),$(FLAGS_CPLUS_DEMANGLE))
593                                         ifeq ($(has_cplus_demangle),y)
594                                                 EXTLIBS += -liberty
595                                                 BASIC_CFLAGS += -DHAVE_CPLUS_DEMANGLE
596                                         else
597                                                 msg := $(warning No bfd.h/libbfd found, install binutils-dev[el]/zlib-static to gain symbol demangling)
598                                                 BASIC_CFLAGS += -DNO_DEMANGLE
599                                         endif
600                                 endif
601                         endif
602                 endif
603         endif
604 endif
605
606
607 ifdef NO_STRLCPY
608         BASIC_CFLAGS += -DNO_STRLCPY
609 else
610         ifneq ($(call try-cc,$(SOURCE_STRLCPY),),y)
611                 BASIC_CFLAGS += -DNO_STRLCPY
612         endif
613 endif
614
615 ifneq ($(findstring $(MAKEFLAGS),s),s)
616 ifndef V
617         QUIET_CC       = @echo '   ' CC $@;
618         QUIET_AR       = @echo '   ' AR $@;
619         QUIET_LINK     = @echo '   ' LINK $@;
620         QUIET_MKDIR    = @echo '   ' MKDIR $@;
621         QUIET_GEN      = @echo '   ' GEN $@;
622 endif
623 endif
624
625 ifdef ASCIIDOC8
626         export ASCIIDOC8
627 endif
628
629 # Shell quote (do not use $(call) to accommodate ancient setups);
630
631 ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
632
633 DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
634 bindir_SQ = $(subst ','\'',$(bindir))
635 bindir_relative_SQ = $(subst ','\'',$(bindir_relative))
636 mandir_SQ = $(subst ','\'',$(mandir))
637 infodir_SQ = $(subst ','\'',$(infodir))
638 perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
639 template_dir_SQ = $(subst ','\'',$(template_dir))
640 htmldir_SQ = $(subst ','\'',$(htmldir))
641 prefix_SQ = $(subst ','\'',$(prefix))
642
643 SHELL_PATH_SQ = $(subst ','\'',$(SHELL_PATH))
644
645 LIBS = -Wl,--whole-archive $(PERFLIBS) -Wl,--no-whole-archive -Wl,--start-group $(EXTLIBS) -Wl,--end-group
646
647 ALL_CFLAGS += $(BASIC_CFLAGS)
648 ALL_CFLAGS += $(ARCH_CFLAGS)
649 ALL_LDFLAGS += $(BASIC_LDFLAGS)
650
651 export INSTALL SHELL_PATH
652
653
654 ### Build rules
655
656 SHELL = $(SHELL_PATH)
657
658 all: shell_compatibility_test $(ALL_PROGRAMS) $(LANG_BINDINGS) $(OTHER_PROGRAMS)
659
660 please_set_SHELL_PATH_to_a_more_modern_shell:
661         @$$(:)
662
663 shell_compatibility_test: please_set_SHELL_PATH_to_a_more_modern_shell
664
665 strip: $(PROGRAMS) $(OUTPUT)perf
666         $(STRIP) $(STRIP_OPTS) $(PROGRAMS) $(OUTPUT)perf
667
668 $(OUTPUT)perf.o: perf.c $(OUTPUT)common-cmds.h $(OUTPUT)PERF-CFLAGS
669         $(QUIET_CC)$(CC) -DPERF_VERSION='"$(PERF_VERSION)"' \
670                 '-DPERF_HTML_PATH="$(htmldir_SQ)"' \
671                 $(ALL_CFLAGS) -c $(filter %.c,$^) -o $@
672
673 $(OUTPUT)perf: $(OUTPUT)perf.o $(BUILTIN_OBJS) $(PERFLIBS)
674         $(QUIET_LINK)$(CC) $(ALL_CFLAGS) $(ALL_LDFLAGS) $(OUTPUT)perf.o \
675                $(BUILTIN_OBJS) $(LIBS) -o $@
676
677 $(OUTPUT)builtin-help.o: builtin-help.c $(OUTPUT)common-cmds.h $(OUTPUT)PERF-CFLAGS
678         $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) \
679                 '-DPERF_HTML_PATH="$(htmldir_SQ)"' \
680                 '-DPERF_MAN_PATH="$(mandir_SQ)"' \
681                 '-DPERF_INFO_PATH="$(infodir_SQ)"' $<
682
683 $(OUTPUT)builtin-timechart.o: builtin-timechart.c $(OUTPUT)common-cmds.h $(OUTPUT)PERF-CFLAGS
684         $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) \
685                 '-DPERF_HTML_PATH="$(htmldir_SQ)"' \
686                 '-DPERF_MAN_PATH="$(mandir_SQ)"' \
687                 '-DPERF_INFO_PATH="$(infodir_SQ)"' $<
688
689 $(OUTPUT)common-cmds.h: util/generate-cmdlist.sh command-list.txt
690
691 $(OUTPUT)common-cmds.h: $(wildcard Documentation/perf-*.txt)
692         $(QUIET_GEN). util/generate-cmdlist.sh > $@+ && mv $@+ $@
693
694 $(SCRIPTS) : % : %.sh
695         $(QUIET_GEN)$(INSTALL) '$@.sh' '$(OUTPUT)$@'
696
697 # These can record PERF_VERSION
698 $(OUTPUT)perf.o perf.spec \
699         $(SCRIPTS) \
700         : $(OUTPUT)PERF-VERSION-FILE
701
702 $(OUTPUT)%.o: %.c $(OUTPUT)PERF-CFLAGS
703         $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) $<
704 $(OUTPUT)%.s: %.c $(OUTPUT)PERF-CFLAGS
705         $(QUIET_CC)$(CC) -S $(ALL_CFLAGS) $<
706 $(OUTPUT)%.o: %.S
707         $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) $<
708
709 $(OUTPUT)util/exec_cmd.o: util/exec_cmd.c $(OUTPUT)PERF-CFLAGS
710         $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) \
711                 '-DPERF_EXEC_PATH="$(perfexecdir_SQ)"' \
712                 '-DBINDIR="$(bindir_relative_SQ)"' \
713                 '-DPREFIX="$(prefix_SQ)"' \
714                 $<
715
716 $(OUTPUT)util/config.o: util/config.c $(OUTPUT)PERF-CFLAGS
717         $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -DETC_PERFCONFIG='"$(ETC_PERFCONFIG_SQ)"' $<
718
719 $(OUTPUT)util/ui/browser.o: util/ui/browser.c $(OUTPUT)PERF-CFLAGS
720         $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -DENABLE_SLFUTURE_CONST $<
721
722 $(OUTPUT)util/ui/browsers/annotate.o: util/ui/browsers/annotate.c $(OUTPUT)PERF-CFLAGS
723         $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -DENABLE_SLFUTURE_CONST $<
724
725 $(OUTPUT)util/ui/browsers/top.o: util/ui/browsers/top.c $(OUTPUT)PERF-CFLAGS
726         $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -DENABLE_SLFUTURE_CONST $<
727
728 $(OUTPUT)util/ui/browsers/hists.o: util/ui/browsers/hists.c $(OUTPUT)PERF-CFLAGS
729         $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -DENABLE_SLFUTURE_CONST $<
730
731 $(OUTPUT)util/ui/browsers/map.o: util/ui/browsers/map.c $(OUTPUT)PERF-CFLAGS
732         $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -DENABLE_SLFUTURE_CONST $<
733
734 $(OUTPUT)util/rbtree.o: ../../lib/rbtree.c $(OUTPUT)PERF-CFLAGS
735         $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -DETC_PERFCONFIG='"$(ETC_PERFCONFIG_SQ)"' $<
736
737 $(OUTPUT)util/scripting-engines/trace-event-perl.o: util/scripting-engines/trace-event-perl.c $(OUTPUT)PERF-CFLAGS
738         $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) $(PERL_EMBED_CCOPTS) -Wno-redundant-decls -Wno-strict-prototypes -Wno-unused-parameter -Wno-shadow $<
739
740 $(OUTPUT)scripts/perl/Perf-Trace-Util/Context.o: scripts/perl/Perf-Trace-Util/Context.c $(OUTPUT)PERF-CFLAGS
741         $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) $(PERL_EMBED_CCOPTS) -Wno-redundant-decls -Wno-strict-prototypes -Wno-unused-parameter -Wno-nested-externs $<
742
743 $(OUTPUT)util/scripting-engines/trace-event-python.o: util/scripting-engines/trace-event-python.c $(OUTPUT)PERF-CFLAGS
744         $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) $(PYTHON_EMBED_CCOPTS) -Wno-redundant-decls -Wno-strict-prototypes -Wno-unused-parameter -Wno-shadow $<
745
746 $(OUTPUT)scripts/python/Perf-Trace-Util/Context.o: scripts/python/Perf-Trace-Util/Context.c $(OUTPUT)PERF-CFLAGS
747         $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) $(PYTHON_EMBED_CCOPTS) -Wno-redundant-decls -Wno-strict-prototypes -Wno-unused-parameter -Wno-nested-externs $<
748
749 $(OUTPUT)perf-%: %.o $(PERFLIBS)
750         $(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) $(LIBS)
751
752 $(LIB_OBJS) $(BUILTIN_OBJS): $(LIB_H)
753 $(patsubst perf-%,%.o,$(PROGRAMS)): $(LIB_H) $(wildcard */*.h)
754
755 # we compile into subdirectories. if the target directory is not the source directory, they might not exists. So
756 # we depend the various files onto their directories.
757 DIRECTORY_DEPS = $(LIB_OBJS) $(BUILTIN_OBJS) $(OUTPUT)PERF-VERSION-FILE $(OUTPUT)common-cmds.h
758 $(DIRECTORY_DEPS): | $(sort $(dir $(DIRECTORY_DEPS)))
759 # In the second step, we make a rule to actually create these directories
760 $(sort $(dir $(DIRECTORY_DEPS))):
761         $(QUIET_MKDIR)$(MKDIR) -p $@ 2>/dev/null
762
763 $(LIB_FILE): $(LIB_OBJS)
764         $(QUIET_AR)$(RM) $@ && $(AR) rcs $@ $(LIB_OBJS)
765
766 help:
767         @echo 'Perf make targets:'
768         @echo '  doc            - make *all* documentation (see below)'
769         @echo '  man            - make manpage documentation (access with man <foo>)'
770         @echo '  html           - make html documentation'
771         @echo '  info           - make GNU info documentation (access with info <foo>)'
772         @echo '  pdf            - make pdf documentation'
773         @echo '  TAGS           - use etags to make tag information for source browsing'
774         @echo '  tags           - use ctags to make tag information for source browsing'
775         @echo '  cscope - use cscope to make interactive browsing database'
776         @echo ''
777         @echo 'Perf install targets:'
778         @echo '  NOTE: documentation build requires asciidoc, xmlto packages to be installed'
779         @echo '  HINT: use "make prefix=<path> <install target>" to install to a particular'
780         @echo '        path like make prefix=/usr/local install install-doc'
781         @echo '  install        - install compiled binaries'
782         @echo '  install-doc    - install *all* documentation'
783         @echo '  install-man    - install manpage documentation'
784         @echo '  install-html   - install html documentation'
785         @echo '  install-info   - install GNU info documentation'
786         @echo '  install-pdf    - install pdf documentation'
787         @echo ''
788         @echo '  quick-install-doc      - alias for quick-install-man'
789         @echo '  quick-install-man      - install the documentation quickly'
790         @echo '  quick-install-html     - install the html documentation quickly'
791         @echo ''
792         @echo 'Perf maintainer targets:'
793         @echo '  distclean              - alias to clean'
794         @echo '  clean                  - clean all binary objects and build output'
795
796 doc:
797         $(MAKE) -C Documentation all
798
799 man:
800         $(MAKE) -C Documentation man
801
802 html:
803         $(MAKE) -C Documentation html
804
805 info:
806         $(MAKE) -C Documentation info
807
808 pdf:
809         $(MAKE) -C Documentation pdf
810
811 TAGS:
812         $(RM) TAGS
813         $(FIND) . -name '*.[hcS]' -print | xargs etags -a
814
815 tags:
816         $(RM) tags
817         $(FIND) . -name '*.[hcS]' -print | xargs ctags -a
818
819 cscope:
820         $(RM) cscope*
821         $(FIND) . -name '*.[hcS]' -print | xargs cscope -b
822
823 ### Detect prefix changes
824 TRACK_CFLAGS = $(subst ','\'',$(ALL_CFLAGS)):\
825              $(bindir_SQ):$(perfexecdir_SQ):$(template_dir_SQ):$(prefix_SQ)
826
827 $(OUTPUT)PERF-CFLAGS: .FORCE-PERF-CFLAGS
828         @FLAGS='$(TRACK_CFLAGS)'; \
829             if test x"$$FLAGS" != x"`cat $(OUTPUT)PERF-CFLAGS 2>/dev/null`" ; then \
830                 echo 1>&2 "    * new build flags or prefix"; \
831                 echo "$$FLAGS" >$(OUTPUT)PERF-CFLAGS; \
832             fi
833
834 ### Testing rules
835
836 # GNU make supports exporting all variables by "export" without parameters.
837 # However, the environment gets quite big, and some programs have problems
838 # with that.
839
840 check: $(OUTPUT)common-cmds.h
841         if sparse; \
842         then \
843                 for i in *.c */*.c; \
844                 do \
845                         sparse $(ALL_CFLAGS) $(SPARSE_FLAGS) $$i || exit; \
846                 done; \
847         else \
848                 exit 1; \
849         fi
850
851 ### Installation rules
852
853 ifneq ($(filter /%,$(firstword $(perfexecdir))),)
854 perfexec_instdir = $(perfexecdir)
855 else
856 perfexec_instdir = $(prefix)/$(perfexecdir)
857 endif
858 perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
859
860 install: all
861         $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(bindir_SQ)'
862         $(INSTALL) $(OUTPUT)perf '$(DESTDIR_SQ)$(bindir_SQ)'
863         $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/perl/Perf-Trace-Util/lib/Perf/Trace'
864         $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/perl/bin'
865         $(INSTALL) $(OUTPUT)perf-archive -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)'
866         $(INSTALL) scripts/perl/Perf-Trace-Util/lib/Perf/Trace/* -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/perl/Perf-Trace-Util/lib/Perf/Trace'
867         $(INSTALL) scripts/perl/*.pl -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/perl'
868         $(INSTALL) scripts/perl/bin/* -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/perl/bin'
869         $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/python/Perf-Trace-Util/lib/Perf/Trace'
870         $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/python/bin'
871         $(INSTALL) scripts/python/Perf-Trace-Util/lib/Perf/Trace/* -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/python/Perf-Trace-Util/lib/Perf/Trace'
872         $(INSTALL) scripts/python/*.py -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/python'
873         $(INSTALL) scripts/python/bin/* -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/python/bin'
874
875 install-python_ext:
876         $(PYTHON_WORD) util/setup.py --quiet install --root='/$(DESTDIR_SQ)'
877
878 install-doc:
879         $(MAKE) -C Documentation install
880
881 install-man:
882         $(MAKE) -C Documentation install-man
883
884 install-html:
885         $(MAKE) -C Documentation install-html
886
887 install-info:
888         $(MAKE) -C Documentation install-info
889
890 install-pdf:
891         $(MAKE) -C Documentation install-pdf
892
893 quick-install-doc:
894         $(MAKE) -C Documentation quick-install
895
896 quick-install-man:
897         $(MAKE) -C Documentation quick-install-man
898
899 quick-install-html:
900         $(MAKE) -C Documentation quick-install-html
901
902 ### Cleaning rules
903
904 clean:
905         $(RM) $(LIB_OBJS) $(BUILTIN_OBJS) $(LIB_FILE) $(OUTPUT)perf-archive $(OUTPUT)perf.o $(LANG_BINDINGS)
906         $(RM) $(ALL_PROGRAMS) perf
907         $(RM) *.spec *.pyc *.pyo */*.pyc */*.pyo $(OUTPUT)common-cmds.h TAGS tags cscope*
908         $(MAKE) -C Documentation/ clean
909         $(RM) $(OUTPUT)PERF-VERSION-FILE $(OUTPUT)PERF-CFLAGS
910         $(python-clean)
911
912 .PHONY: all install clean strip
913 .PHONY: shell_compatibility_test please_set_SHELL_PATH_to_a_more_modern_shell
914 .PHONY: .FORCE-PERF-VERSION-FILE TAGS tags cscope .FORCE-PERF-CFLAGS