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 $(obj-perf))/
12endif
13
14$(shell printf "" > $(OUTPUT).config-detected)
15detected = $(shell echo "$(1)=y" >> $(OUTPUT).config-detected)
16detected_var = $(shell echo "$(1)=$($(1))" >> $(OUTPUT).config-detected)
17
18CFLAGS := $(EXTRA_CFLAGS) $(EXTRA_WARNINGS)
19
20include $(src-perf)/config/Makefile.arch
21
22$(call detected_var,ARCH)
23
24NO_PERF_REGS := 1
25
26# Additional ARCH settings for x86
27ifeq ($(ARCH),x86)
28 $(call detected,CONFIG_X86)
29 ifeq (${IS_64_BIT}, 1)
30 CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT
31 ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
32 LIBUNWIND_LIBS = -lunwind -lunwind-x86_64
33 $(call detected,CONFIG_X86_64)
34 else
35 LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind
36 endif
37 NO_PERF_REGS := 0
38endif
39
40ifeq ($(ARCH),arm)
41 NO_PERF_REGS := 0
42 LIBUNWIND_LIBS = -lunwind -lunwind-arm
43endif
44
45ifeq ($(ARCH),arm64)
46 NO_PERF_REGS := 0
47 LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
48endif
49
50ifeq ($(NO_PERF_REGS),0)
51 $(call detected,CONFIG_PERF_REGS)
52endif
53
54# So far there's only x86 and arm libdw unwind support merged in perf.
55# Disable it on all other architectures in case libdw unwind
56# support is detected in system. Add supported architectures
57# to the check.
58ifneq ($(ARCH),$(filter $(ARCH),x86 arm))
59 NO_LIBDW_DWARF_UNWIND := 1
60endif
61
62ifeq ($(LIBUNWIND_LIBS),)
63 NO_LIBUNWIND := 1
64else
65 #
66 # For linking with debug library, run like:
67 #
68 # make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
69 #
70 ifdef LIBUNWIND_DIR
71 LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include
72 LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
73 endif
74 LIBUNWIND_LDFLAGS += $(LIBUNWIND_LIBS)
75
76 # Set per-feature check compilation flags
77 FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
78 FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS)
79 FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
80 FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS)
81endif
82
83ifeq ($(NO_PERF_REGS),0)
84 CFLAGS += -DHAVE_PERF_REGS_SUPPORT
85endif
86
87ifndef NO_LIBELF
88 # for linking with debug library, run like:
89 # make DEBUG=1 LIBDW_DIR=/opt/libdw/
90 ifdef LIBDW_DIR
91 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include
92 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
93 endif
94 FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
95 FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) -ldw
96endif
97
98ifdef LIBBABELTRACE
99 # for linking with debug library, run like:
100 # make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
101 ifdef LIBBABELTRACE_DIR
102 LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include
103 LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
104 endif
105 FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
106 FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
107endif
108
109FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/arch/$(ARCH)/include/uapi -I$(srctree)/include/uapi
110# include ARCH specific config
111-include $(src-perf)/arch/$(ARCH)/Makefile
112
113ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
114 CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
115endif
116
117include $(src-perf)/config/utilities.mak
118
119ifeq ($(call get-executable,$(FLEX)),)
120 dummy := $(error Error: $(FLEX) is missing on this system, please install it)
121endif
122
123ifeq ($(call get-executable,$(BISON)),)
124 dummy := $(error Error: $(BISON) is missing on this system, please install it)
125endif
126
127# Treat warnings as errors unless directed not to
128ifneq ($(WERROR),0)
129 CFLAGS += -Werror
130endif
131
132ifndef DEBUG
133 DEBUG := 0
134endif
135
136ifeq ($(DEBUG),0)
137 CFLAGS += -O6
138else
139 CFLAGS += $(call cc-option,-Og,-O0)
140endif
141
142ifdef PARSER_DEBUG
143 PARSER_DEBUG_BISON := -t
144 PARSER_DEBUG_FLEX := -d
145 CFLAGS += -DPARSER_DEBUG
146 $(call detected_var,PARSER_DEBUG_BISON)
147 $(call detected_var,PARSER_DEBUG_FLEX)
148endif
149
150ifndef NO_LIBPYTHON
151 # Try different combinations to accommodate systems that only have
152 # python[2][-config] in weird combinations but always preferring
153 # python2 and python2-config as per pep-0394. If we catch a
154 # python[-config] in version 3, the version check will kill it.
155 PYTHON2 := $(if $(call get-executable,python2),python2,python)
156 override PYTHON := $(call get-executable-or-default,PYTHON,$(PYTHON2))
157 PYTHON2_CONFIG := \
158 $(if $(call get-executable,$(PYTHON)-config),$(PYTHON)-config,python-config)
159 override PYTHON_CONFIG := \
160 $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON2_CONFIG))
161
162 PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
163
164 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
165 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
166
167 FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
168 FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
169 FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
170 FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
171endif
172
173CFLAGS += -fno-omit-frame-pointer
174CFLAGS += -ggdb3
175CFLAGS += -funwind-tables
176CFLAGS += -Wall
177CFLAGS += -Wextra
178CFLAGS += -std=gnu99
179
180# Enforce a non-executable stack, as we may regress (again) in the future by
181# adding assembler files missing the .GNU-stack linker note.
182LDFLAGS += -Wl,-z,noexecstack
183
184EXTLIBS = -lpthread -lrt -lm -ldl
185
186include $(srctree)/tools/build/Makefile.feature
187
188ifeq ($(feature-stackprotector-all), 1)
189 CFLAGS += -fstack-protector-all
190endif
191
192ifeq ($(DEBUG),0)
193 ifeq ($(feature-fortify-source), 1)
194 CFLAGS += -D_FORTIFY_SOURCE=2
195 endif
196endif
197
198CFLAGS += -I$(src-perf)/util/include
199CFLAGS += -I$(src-perf)/arch/$(ARCH)/include
200CFLAGS += -I$(srctree)/tools/include/
201CFLAGS += -I$(srctree)/arch/$(ARCH)/include/uapi
202CFLAGS += -I$(srctree)/arch/$(ARCH)/include
203CFLAGS += -I$(srctree)/include/uapi
204CFLAGS += -I$(srctree)/include
205
206# $(obj-perf) for generated common-cmds.h
207# $(obj-perf)/util for generated bison/flex headers
208ifneq ($(OUTPUT),)
209CFLAGS += -I$(obj-perf)/util
210CFLAGS += -I$(obj-perf)
211endif
212
213CFLAGS += -I$(src-perf)/util
214CFLAGS += -I$(src-perf)
215CFLAGS += -I$(srctree)/tools/lib/
216
217CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
218
219ifeq ($(feature-sync-compare-and-swap), 1)
220 CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
221endif
222
223ifeq ($(feature-pthread-attr-setaffinity-np), 1)
224 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
225endif
226
227ifndef NO_BIONIC
228 $(call feature_check,bionic)
229 ifeq ($(feature-bionic), 1)
230 BIONIC := 1
231 EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
232 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
233 endif
234endif
235
236ifdef NO_LIBELF
237 NO_DWARF := 1
238 NO_DEMANGLE := 1
239 NO_LIBUNWIND := 1
240 NO_LIBDW_DWARF_UNWIND := 1
241 NO_LIBBPF := 1
242else
243 ifeq ($(feature-libelf), 0)
244 ifeq ($(feature-glibc), 1)
245 LIBC_SUPPORT := 1
246 endif
247 ifeq ($(BIONIC),1)
248 LIBC_SUPPORT := 1
249 endif
250 ifeq ($(LIBC_SUPPORT),1)
251 msg := $(warning No libelf found, disables 'probe' tool and BPF support in 'perf record', please install elfutils-libelf-devel/libelf-dev);
252
253 NO_LIBELF := 1
254 NO_DWARF := 1
255 NO_DEMANGLE := 1
256 NO_LIBUNWIND := 1
257 NO_LIBDW_DWARF_UNWIND := 1
258 NO_LIBBPF := 1
259 else
260 ifneq ($(filter s% -static%,$(LDFLAGS),),)
261 msg := $(error No static glibc found, please install glibc-static);
262 else
263 msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
264 endif
265 endif
266 else
267 ifndef NO_LIBDW_DWARF_UNWIND
268 ifneq ($(feature-libdw-dwarf-unwind),1)
269 NO_LIBDW_DWARF_UNWIND := 1
270 msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
271 endif
272 endif
273 ifneq ($(feature-dwarf), 1)
274 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);
275 NO_DWARF := 1
276 endif # Dwarf support
277 endif # libelf support
278endif # NO_LIBELF
279
280ifdef NO_DWARF
281 NO_LIBDW_DWARF_UNWIND := 1
282endif
283
284ifndef NO_LIBELF
285 CFLAGS += -DHAVE_LIBELF_SUPPORT
286 EXTLIBS += -lelf
287 $(call detected,CONFIG_LIBELF)
288
289 ifeq ($(feature-libelf-mmap), 1)
290 CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
291 endif
292
293 ifeq ($(feature-libelf-getphdrnum), 1)
294 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
295 endif
296
297 # include ARCH specific config
298 -include $(src-perf)/arch/$(ARCH)/Makefile
299
300 ifndef NO_DWARF
301 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
302 msg := $(warning DWARF register mappings have not been defined for architecture $(ARCH), DWARF support disabled);
303 NO_DWARF := 1
304 else
305 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
306 LDFLAGS += $(LIBDW_LDFLAGS)
307 DWARFLIBS := -ldw
308 ifeq ($(findstring -static,${LDFLAGS}),-static)
309 DWARFLIBS += -lelf -lebl -lz -llzma -lbz2
310 endif
311 EXTLIBS += ${DWARFLIBS}
312 $(call detected,CONFIG_DWARF)
313 endif # PERF_HAVE_DWARF_REGS
314 endif # NO_DWARF
315
316 ifndef NO_LIBBPF
317 ifeq ($(feature-bpf), 1)
318 CFLAGS += -DHAVE_LIBBPF_SUPPORT
319 $(call detected,CONFIG_LIBBPF)
320 endif
321 endif # NO_LIBBPF
322endif # NO_LIBELF
323
324ifeq ($(ARCH),powerpc)
325 ifndef NO_DWARF
326 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
327 endif
328endif
329
330ifndef NO_LIBUNWIND
331 ifneq ($(feature-libunwind), 1)
332 msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
333 NO_LIBUNWIND := 1
334 endif
335endif
336
337ifndef NO_LIBBPF
338 ifneq ($(feature-bpf), 1)
339 msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
340 NO_LIBBPF := 1
341 endif
342endif
343
344dwarf-post-unwind := 1
345dwarf-post-unwind-text := BUG
346
347# setup DWARF post unwinder
348ifdef NO_LIBUNWIND
349 ifdef NO_LIBDW_DWARF_UNWIND
350 msg := $(warning Disabling post unwind, no support found.);
351 dwarf-post-unwind := 0
352 else
353 dwarf-post-unwind-text := libdw
354 $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
355 endif
356else
357 dwarf-post-unwind-text := libunwind
358 $(call detected,CONFIG_LIBUNWIND)
359 # Enable libunwind support by default.
360 ifndef NO_LIBDW_DWARF_UNWIND
361 NO_LIBDW_DWARF_UNWIND := 1
362 endif
363endif
364
365ifeq ($(dwarf-post-unwind),1)
366 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
367 $(call detected,CONFIG_DWARF_UNWIND)
368else
369 NO_DWARF_UNWIND := 1
370endif
371
372ifndef NO_LIBUNWIND
373 ifeq ($(ARCH),$(filter $(ARCH),arm arm64))
374 $(call feature_check,libunwind-debug-frame)
375 ifneq ($(feature-libunwind-debug-frame), 1)
376 msg := $(warning No debug_frame support found in libunwind);
377 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
378 endif
379 else
380 # non-ARM has no dwarf_find_debug_frame() function:
381 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
382 endif
383 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
384 EXTLIBS += $(LIBUNWIND_LIBS)
385 CFLAGS += $(LIBUNWIND_CFLAGS)
386 LDFLAGS += $(LIBUNWIND_LDFLAGS)
387endif
388
389ifndef NO_LIBAUDIT
390 ifneq ($(feature-libaudit), 1)
391 msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
392 NO_LIBAUDIT := 1
393 else
394 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
395 EXTLIBS += -laudit
396 $(call detected,CONFIG_AUDIT)
397 endif
398endif
399
400ifdef NO_NEWT
401 NO_SLANG=1
402endif
403
404ifndef NO_SLANG
405 ifneq ($(feature-libslang), 1)
406 msg := $(warning slang not found, disables TUI support. Please install slang-devel or libslang-dev);
407 NO_SLANG := 1
408 else
409 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
410 CFLAGS += -I/usr/include/slang
411 CFLAGS += -DHAVE_SLANG_SUPPORT
412 EXTLIBS += -lslang
413 $(call detected,CONFIG_SLANG)
414 endif
415endif
416
417ifndef NO_GTK2
418 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
419 ifneq ($(feature-gtk2), 1)
420 msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
421 NO_GTK2 := 1
422 else
423 ifeq ($(feature-gtk2-infobar), 1)
424 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
425 endif
426 CFLAGS += -DHAVE_GTK2_SUPPORT
427 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
428 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
429 EXTLIBS += -ldl
430 endif
431endif
432
433grep-libs = $(filter -l%,$(1))
434strip-libs = $(filter-out -l%,$(1))
435
436ifdef NO_LIBPERL
437 CFLAGS += -DNO_LIBPERL
438else
439 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
440 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
441 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
442 PERL_EMBED_CCOPTS = `perl -MExtUtils::Embed -e ccopts 2>/dev/null`
443 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
444
445 ifneq ($(feature-libperl), 1)
446 CFLAGS += -DNO_LIBPERL
447 NO_LIBPERL := 1
448 msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
449 else
450 LDFLAGS += $(PERL_EMBED_LDFLAGS)
451 EXTLIBS += $(PERL_EMBED_LIBADD)
452 $(call detected,CONFIG_LIBPERL)
453 endif
454endif
455
456ifeq ($(feature-timerfd), 1)
457 CFLAGS += -DHAVE_TIMERFD_SUPPORT
458else
459 msg := $(warning No timerfd support. Disables 'perf kvm stat live');
460endif
461
462disable-python = $(eval $(disable-python_code))
463define disable-python_code
464 CFLAGS += -DNO_LIBPYTHON
465 $(warning $1)
466 NO_LIBPYTHON := 1
467endef
468
469ifdef NO_LIBPYTHON
470 $(call disable-python,Python support disabled by user)
471else
472
473 ifndef PYTHON
474 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
475 else
476 PYTHON_WORD := $(call shell-wordify,$(PYTHON))
477
478 ifndef PYTHON_CONFIG
479 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
480 else
481
482 PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
483
484 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
485 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
486 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS))
487 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
488 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
489
490 ifneq ($(feature-libpython), 1)
491 $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
492 else
493
494 ifneq ($(feature-libpython-version), 1)
495 $(warning Python 3 is not yet supported; please set)
496 $(warning PYTHON and/or PYTHON_CONFIG appropriately.)
497 $(warning If you also have Python 2 installed, then)
498 $(warning try something like:)
499 $(warning $(and ,))
500 $(warning $(and ,) make PYTHON=python2)
501 $(warning $(and ,))
502 $(warning Otherwise, disable Python support entirely:)
503 $(warning $(and ,))
504 $(warning $(and ,) make NO_LIBPYTHON=1)
505 $(warning $(and ,))
506 $(error $(and ,))
507 else
508 LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
509 EXTLIBS += $(PYTHON_EMBED_LIBADD)
510 LANG_BINDINGS += $(obj-perf)python/perf.so
511 $(call detected,CONFIG_LIBPYTHON)
512 endif
513 endif
514 endif
515 endif
516endif
517
518ifeq ($(feature-libbfd), 1)
519 EXTLIBS += -lbfd
520
521 # call all detections now so we get correct
522 # status in VF output
523 $(call feature_check,liberty)
524 $(call feature_check,liberty-z)
525 $(call feature_check,cplus-demangle)
526
527 ifeq ($(feature-liberty), 1)
528 EXTLIBS += -liberty
529 else
530 ifeq ($(feature-liberty-z), 1)
531 EXTLIBS += -liberty -lz
532 endif
533 endif
534endif
535
536ifdef NO_DEMANGLE
537 CFLAGS += -DNO_DEMANGLE
538else
539 ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
540 EXTLIBS += -liberty
541 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
542 else
543 ifneq ($(feature-libbfd), 1)
544 ifneq ($(feature-liberty), 1)
545 ifneq ($(feature-liberty-z), 1)
546 # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
547 # or any of 'bfd iberty z' trinity
548 ifeq ($(feature-cplus-demangle), 1)
549 EXTLIBS += -liberty
550 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
551 else
552 msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
553 CFLAGS += -DNO_DEMANGLE
554 endif
555 endif
556 endif
557 endif
558 endif
559endif
560
561ifneq ($(filter -lbfd,$(EXTLIBS)),)
562 CFLAGS += -DHAVE_LIBBFD_SUPPORT
563endif
564
565ifndef NO_ZLIB
566 ifeq ($(feature-zlib), 1)
567 CFLAGS += -DHAVE_ZLIB_SUPPORT
568 EXTLIBS += -lz
569 $(call detected,CONFIG_ZLIB)
570 else
571 NO_ZLIB := 1
572 endif
573endif
574
575ifndef NO_LZMA
576 ifeq ($(feature-lzma), 1)
577 CFLAGS += -DHAVE_LZMA_SUPPORT
578 EXTLIBS += -llzma
579 $(call detected,CONFIG_LZMA)
580 else
581 msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
582 NO_LZMA := 1
583 endif
584endif
585
586ifndef NO_BACKTRACE
587 ifeq ($(feature-backtrace), 1)
588 CFLAGS += -DHAVE_BACKTRACE_SUPPORT
589 endif
590endif
591
592ifndef NO_LIBNUMA
593 ifeq ($(feature-libnuma), 0)
594 msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
595 NO_LIBNUMA := 1
596 else
597 ifeq ($(feature-numa_num_possible_cpus), 0)
598 msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
599 NO_LIBNUMA := 1
600 else
601 CFLAGS += -DHAVE_LIBNUMA_SUPPORT
602 EXTLIBS += -lnuma
603 $(call detected,CONFIG_NUMA)
604 endif
605 endif
606endif
607
608ifdef HAVE_KVM_STAT_SUPPORT
609 CFLAGS += -DHAVE_KVM_STAT_SUPPORT
610endif
611
612ifeq (${IS_64_BIT}, 1)
613 ifndef NO_PERF_READ_VDSO32
614 $(call feature_check,compile-32)
615 ifeq ($(feature-compile-32), 1)
616 CFLAGS += -DHAVE_PERF_READ_VDSO32
617 else
618 NO_PERF_READ_VDSO32 := 1
619 endif
620 endif
621 ifneq ($(ARCH), x86)
622 NO_PERF_READ_VDSOX32 := 1
623 endif
624 ifndef NO_PERF_READ_VDSOX32
625 $(call feature_check,compile-x32)
626 ifeq ($(feature-compile-x32), 1)
627 CFLAGS += -DHAVE_PERF_READ_VDSOX32
628 else
629 NO_PERF_READ_VDSOX32 := 1
630 endif
631 endif
632else
633 NO_PERF_READ_VDSO32 := 1
634 NO_PERF_READ_VDSOX32 := 1
635endif
636
637ifdef LIBBABELTRACE
638 $(call feature_check,libbabeltrace)
639 ifeq ($(feature-libbabeltrace), 1)
640 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
641 LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
642 EXTLIBS += -lbabeltrace-ctf
643 $(call detected,CONFIG_LIBBABELTRACE)
644 else
645 msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
646 endif
647endif
648
649ifndef NO_AUXTRACE
650 ifeq ($(feature-get_cpuid), 0)
651 msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
652 NO_AUXTRACE := 1
653 else
654 $(call detected,CONFIG_AUXTRACE)
655 CFLAGS += -DHAVE_AUXTRACE_SUPPORT
656 endif
657endif
658
659# Among the variables below, these:
660# perfexecdir
661# template_dir
662# mandir
663# infodir
664# htmldir
665# ETC_PERFCONFIG (but not sysconfdir)
666# can be specified as a relative path some/where/else;
667# this is interpreted as relative to $(prefix) and "perf" at
668# runtime figures out where they are based on the path to the executable.
669# This can help installing the suite in a relocatable way.
670
671# Make the path relative to DESTDIR, not to prefix
672ifndef DESTDIR
673prefix ?= $(HOME)
674endif
675bindir_relative = bin
676bindir = $(abspath $(prefix)/$(bindir_relative))
677mandir = share/man
678infodir = share/info
679perfexecdir = libexec/perf-core
680sharedir = $(prefix)/share
681template_dir = share/perf-core/templates
682STRACE_GROUPS_DIR = share/perf-core/strace/groups
683htmldir = share/doc/perf-doc
684ifeq ($(prefix),/usr)
685sysconfdir = /etc
686ETC_PERFCONFIG = $(sysconfdir)/perfconfig
687else
688sysconfdir = $(prefix)/etc
689ETC_PERFCONFIG = etc/perfconfig
690endif
691ifndef lib
692ifeq ($(ARCH)$(IS_64_BIT), x861)
693lib = lib64
694else
695lib = lib
696endif
697endif # lib
698libdir = $(prefix)/$(lib)
699
700# Shell quote (do not use $(call) to accommodate ancient setups);
701ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
702STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
703DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
704bindir_SQ = $(subst ','\'',$(bindir))
705mandir_SQ = $(subst ','\'',$(mandir))
706infodir_SQ = $(subst ','\'',$(infodir))
707perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
708template_dir_SQ = $(subst ','\'',$(template_dir))
709htmldir_SQ = $(subst ','\'',$(htmldir))
710prefix_SQ = $(subst ','\'',$(prefix))
711sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
712libdir_SQ = $(subst ','\'',$(libdir))
713
714ifneq ($(filter /%,$(firstword $(perfexecdir))),)
715perfexec_instdir = $(perfexecdir)
716STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
717else
718perfexec_instdir = $(prefix)/$(perfexecdir)
719STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
720endif
721perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
722STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
723
724# If we install to $(HOME) we keep the traceevent default:
725# $(HOME)/.traceevent/plugins
726# Otherwise we install plugins into the global $(libdir).
727ifdef DESTDIR
728plugindir=$(libdir)/traceevent/plugins
729plugindir_SQ= $(subst ','\'',$(plugindir))
730endif
731
732print_var = $(eval $(print_var_code)) $(info $(MSG))
733define print_var_code
734 MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
735endef
736
737ifeq ($(VF),1)
738 $(call print_var,prefix)
739 $(call print_var,bindir)
740 $(call print_var,libdir)
741 $(call print_var,sysconfdir)
742 $(call print_var,LIBUNWIND_DIR)
743 $(call print_var,LIBDW_DIR)
744 $(info )
745endif
746
747$(call detected_var,bindir_SQ)
748$(call detected_var,PYTHON_WORD)
749ifneq ($(OUTPUT),)
750$(call detected_var,OUTPUT)
751endif
752$(call detected_var,htmldir_SQ)
753$(call detected_var,infodir_SQ)
754$(call detected_var,mandir_SQ)
755$(call detected_var,ETC_PERFCONFIG_SQ)
756$(call detected_var,STRACE_GROUPS_DIR_SQ)
757$(call detected_var,prefix_SQ)
758$(call detected_var,perfexecdir_SQ)
759$(call detected_var,LIBDIR)
760$(call detected_var,GTK_CFLAGS)
761$(call detected_var,PERL_EMBED_CCOPTS)
762$(call detected_var,PYTHON_EMBED_CCOPTS)