xref: /openbmc/linux/tools/perf/Makefile.config (revision aac5987a) 
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 $(srctree)/tools/scripts/Makefile.arch
21
22$(call detected_var,ARCH)
23
24NO_PERF_REGS := 1
25
26# Additional ARCH settings for ppc
27ifeq ($(ARCH),powerpc)
28  NO_PERF_REGS := 0
29  LIBUNWIND_LIBS := -lunwind -lunwind-ppc64
30endif
31
32# Additional ARCH settings for x86
33ifeq ($(ARCH),x86)
34  $(call detected,CONFIG_X86)
35  ifeq (${IS_64_BIT}, 1)
36    CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT -DHAVE_SYSCALL_TABLE -I$(OUTPUT)arch/x86/include/generated
37    ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
38    LIBUNWIND_LIBS = -lunwind -lunwind-x86_64
39    $(call detected,CONFIG_X86_64)
40  else
41    LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind
42  endif
43  NO_PERF_REGS := 0
44endif
45
46ifeq ($(ARCH),arm)
47  NO_PERF_REGS := 0
48  LIBUNWIND_LIBS = -lunwind -lunwind-arm
49endif
50
51ifeq ($(ARCH),arm64)
52  NO_PERF_REGS := 0
53  LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
54endif
55
56ifeq ($(NO_PERF_REGS),0)
57  $(call detected,CONFIG_PERF_REGS)
58endif
59
60# So far there's only x86 and arm libdw unwind support merged in perf.
61# Disable it on all other architectures in case libdw unwind
62# support is detected in system. Add supported architectures
63# to the check.
64ifneq ($(ARCH),$(filter $(ARCH),x86 arm))
65  NO_LIBDW_DWARF_UNWIND := 1
66endif
67
68ifeq ($(LIBUNWIND_LIBS),)
69  NO_LIBUNWIND := 1
70endif
71#
72# For linking with debug library, run like:
73#
74#   make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
75#
76
77libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
78define libunwind_arch_set_flags_code
79  FEATURE_CHECK_CFLAGS-libunwind-$(1)  = -I$(LIBUNWIND_DIR)/include
80  FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
81endef
82
83ifdef LIBUNWIND_DIR
84  LIBUNWIND_CFLAGS  = -I$(LIBUNWIND_DIR)/include
85  LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
86  LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64
87  $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
88endif
89
90# Set per-feature check compilation flags
91FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
92FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
93FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
94FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
95
96ifeq ($(NO_PERF_REGS),0)
97  CFLAGS += -DHAVE_PERF_REGS_SUPPORT
98endif
99
100# for linking with debug library, run like:
101# make DEBUG=1 LIBDW_DIR=/opt/libdw/
102ifdef LIBDW_DIR
103  LIBDW_CFLAGS  := -I$(LIBDW_DIR)/include
104  LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
105endif
106FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
107FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) -ldw
108
109# for linking with debug library, run like:
110# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
111ifdef LIBBABELTRACE_DIR
112  LIBBABELTRACE_CFLAGS  := -I$(LIBBABELTRACE_DIR)/include
113  LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
114endif
115FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
116FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
117
118FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(ARCH)/include/uapi -I$(srctree)/tools/include/uapi
119# include ARCH specific config
120-include $(src-perf)/arch/$(ARCH)/Makefile
121
122ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
123  CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
124endif
125
126include $(srctree)/tools/scripts/utilities.mak
127
128ifeq ($(call get-executable,$(FLEX)),)
129  dummy := $(error Error: $(FLEX) is missing on this system, please install it)
130endif
131
132ifeq ($(call get-executable,$(BISON)),)
133  dummy := $(error Error: $(BISON) is missing on this system, please install it)
134endif
135
136# Treat warnings as errors unless directed not to
137ifneq ($(WERROR),0)
138  CFLAGS += -Werror
139  CXXFLAGS += -Werror
140endif
141
142ifndef DEBUG
143  DEBUG := 0
144endif
145
146ifeq ($(DEBUG),0)
147ifeq ($(CC), clang)
148  CFLAGS += -O3
149else
150  CFLAGS += -O6
151endif
152endif
153
154ifdef PARSER_DEBUG
155  PARSER_DEBUG_BISON := -t
156  PARSER_DEBUG_FLEX  := -d
157  CFLAGS             += -DPARSER_DEBUG
158  $(call detected_var,PARSER_DEBUG_BISON)
159  $(call detected_var,PARSER_DEBUG_FLEX)
160endif
161
162# Try different combinations to accommodate systems that only have
163# python[2][-config] in weird combinations but always preferring
164# python2 and python2-config as per pep-0394. If we catch a
165# python[-config] in version 3, the version check will kill it.
166PYTHON2 := $(if $(call get-executable,python2),python2,python)
167override PYTHON := $(call get-executable-or-default,PYTHON,$(PYTHON2))
168PYTHON2_CONFIG := \
169  $(if $(call get-executable,$(PYTHON)-config),$(PYTHON)-config,python-config)
170override PYTHON_CONFIG := \
171  $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON2_CONFIG))
172
173PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
174
175PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
176PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
177
178ifeq ($(CC), clang)
179  PYTHON_EMBED_CCOPTS := $(filter-out -specs=%,$(PYTHON_EMBED_CCOPTS))
180endif
181
182FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
183FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
184FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
185FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
186
187CFLAGS += -fno-omit-frame-pointer
188CFLAGS += -ggdb3
189CFLAGS += -funwind-tables
190CFLAGS += -Wall
191CFLAGS += -Wextra
192CFLAGS += -std=gnu99
193
194CXXFLAGS += -std=gnu++11 -fno-exceptions -fno-rtti
195CXXFLAGS += -Wall
196CXXFLAGS += -fno-omit-frame-pointer
197CXXFLAGS += -ggdb3
198CXXFLAGS += -funwind-tables
199CXXFLAGS += -Wno-strict-aliasing
200
201# Enforce a non-executable stack, as we may regress (again) in the future by
202# adding assembler files missing the .GNU-stack linker note.
203LDFLAGS += -Wl,-z,noexecstack
204
205EXTLIBS = -lpthread -lrt -lm -ldl
206
207ifeq ($(FEATURES_DUMP),)
208include $(srctree)/tools/build/Makefile.feature
209else
210include $(FEATURES_DUMP)
211endif
212
213ifeq ($(feature-stackprotector-all), 1)
214  CFLAGS += -fstack-protector-all
215endif
216
217ifeq ($(DEBUG),0)
218  ifeq ($(feature-fortify-source), 1)
219    CFLAGS += -D_FORTIFY_SOURCE=2
220  endif
221endif
222
223INC_FLAGS += -I$(src-perf)/util/include
224INC_FLAGS += -I$(src-perf)/arch/$(ARCH)/include
225INC_FLAGS += -I$(srctree)/tools/include/uapi
226INC_FLAGS += -I$(srctree)/tools/include/
227INC_FLAGS += -I$(srctree)/tools/arch/$(ARCH)/include/uapi
228INC_FLAGS += -I$(srctree)/tools/arch/$(ARCH)/include/
229INC_FLAGS += -I$(srctree)/tools/arch/$(ARCH)/
230
231# $(obj-perf)      for generated common-cmds.h
232# $(obj-perf)/util for generated bison/flex headers
233ifneq ($(OUTPUT),)
234INC_FLAGS += -I$(obj-perf)/util
235INC_FLAGS += -I$(obj-perf)
236endif
237
238INC_FLAGS += -I$(src-perf)/util
239INC_FLAGS += -I$(src-perf)
240INC_FLAGS += -I$(srctree)/tools/lib/
241
242CFLAGS   += $(INC_FLAGS)
243CXXFLAGS += $(INC_FLAGS)
244
245CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
246
247ifeq ($(feature-sync-compare-and-swap), 1)
248  CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
249endif
250
251ifeq ($(feature-pthread-attr-setaffinity-np), 1)
252  CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
253endif
254
255ifndef NO_BIONIC
256  $(call feature_check,bionic)
257  ifeq ($(feature-bionic), 1)
258    BIONIC := 1
259    EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
260    EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
261  endif
262endif
263
264ifdef NO_LIBELF
265  NO_DWARF := 1
266  NO_DEMANGLE := 1
267  NO_LIBUNWIND := 1
268  NO_LIBDW_DWARF_UNWIND := 1
269  NO_LIBBPF := 1
270else
271  ifeq ($(feature-libelf), 0)
272    ifeq ($(feature-glibc), 1)
273      LIBC_SUPPORT := 1
274    endif
275    ifeq ($(BIONIC),1)
276      LIBC_SUPPORT := 1
277    endif
278    ifeq ($(LIBC_SUPPORT),1)
279      msg := $(warning No libelf found, disables 'probe' tool and BPF support in 'perf record', please install libelf-dev, libelf-devel or elfutils-libelf-devel);
280
281      NO_LIBELF := 1
282      NO_DWARF := 1
283      NO_DEMANGLE := 1
284      NO_LIBUNWIND := 1
285      NO_LIBDW_DWARF_UNWIND := 1
286      NO_LIBBPF := 1
287    else
288      ifneq ($(filter s% -static%,$(LDFLAGS),),)
289        msg := $(error No static glibc found, please install glibc-static);
290      else
291        msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
292      endif
293    endif
294  else
295    ifndef NO_LIBDW_DWARF_UNWIND
296      ifneq ($(feature-libdw-dwarf-unwind),1)
297        NO_LIBDW_DWARF_UNWIND := 1
298        msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
299      endif
300    endif
301    ifneq ($(feature-dwarf), 1)
302      ifndef NO_DWARF
303        msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
304        NO_DWARF := 1
305      endif
306    else
307      ifneq ($(feature-dwarf_getlocations), 1)
308        msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
309      else
310        CFLAGS += -DHAVE_DWARF_GETLOCATIONS
311      endif # dwarf_getlocations
312    endif # Dwarf support
313  endif # libelf support
314endif # NO_LIBELF
315
316ifdef NO_DWARF
317  NO_LIBDW_DWARF_UNWIND := 1
318endif
319
320ifndef NO_LIBELF
321  CFLAGS += -DHAVE_LIBELF_SUPPORT
322  EXTLIBS += -lelf
323  $(call detected,CONFIG_LIBELF)
324
325  ifeq ($(feature-libelf-mmap), 1)
326    CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
327  endif
328
329  ifeq ($(feature-libelf-getphdrnum), 1)
330    CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
331  endif
332
333  ifeq ($(feature-libelf-gelf_getnote), 1)
334    CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
335  else
336    msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
337  endif
338
339  ifeq ($(feature-libelf-getshdrstrndx), 1)
340    CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
341  endif
342
343  ifndef NO_DWARF
344    ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
345      msg := $(warning DWARF register mappings have not been defined for architecture $(ARCH), DWARF support disabled);
346      NO_DWARF := 1
347    else
348      CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
349      LDFLAGS += $(LIBDW_LDFLAGS)
350      DWARFLIBS := -ldw
351      ifeq ($(findstring -static,${LDFLAGS}),-static)
352	DWARFLIBS += -lelf -lebl -lz -llzma -lbz2
353      endif
354      EXTLIBS += ${DWARFLIBS}
355      $(call detected,CONFIG_DWARF)
356    endif # PERF_HAVE_DWARF_REGS
357  endif # NO_DWARF
358
359  ifndef NO_LIBBPF
360    ifeq ($(feature-bpf), 1)
361      CFLAGS += -DHAVE_LIBBPF_SUPPORT
362      $(call detected,CONFIG_LIBBPF)
363    endif
364
365    ifndef NO_DWARF
366      ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
367        CFLAGS += -DHAVE_BPF_PROLOGUE
368        $(call detected,CONFIG_BPF_PROLOGUE)
369      else
370        msg := $(warning BPF prologue is not supported by architecture $(ARCH), missing regs_query_register_offset());
371      endif
372    else
373      msg := $(warning DWARF support is off, BPF prologue is disabled);
374    endif
375
376  endif # NO_LIBBPF
377endif # NO_LIBELF
378
379ifndef NO_SDT
380  ifneq ($(feature-sdt), 1)
381    msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
382    NO_SDT := 1;
383  else
384    CFLAGS += -DHAVE_SDT_EVENT
385    $(call detected,CONFIG_SDT_EVENT)
386  endif
387endif
388
389ifdef PERF_HAVE_JITDUMP
390  ifndef NO_LIBELF
391    $(call detected,CONFIG_JITDUMP)
392    CFLAGS += -DHAVE_JITDUMP
393  endif
394endif
395
396ifeq ($(ARCH),powerpc)
397  ifndef NO_DWARF
398    CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
399  endif
400endif
401
402ifndef NO_LIBUNWIND
403  have_libunwind :=
404
405  ifeq ($(feature-libunwind-x86), 1)
406    $(call detected,CONFIG_LIBUNWIND_X86)
407    CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
408    LDFLAGS += -lunwind-x86
409    EXTLIBS_LIBUNWIND += -lunwind-x86
410    have_libunwind = 1
411  endif
412
413  ifeq ($(feature-libunwind-aarch64), 1)
414    $(call detected,CONFIG_LIBUNWIND_AARCH64)
415    CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
416    LDFLAGS += -lunwind-aarch64
417    EXTLIBS_LIBUNWIND += -lunwind-aarch64
418    have_libunwind = 1
419    $(call feature_check,libunwind-debug-frame-aarch64)
420    ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
421      msg := $(warning No debug_frame support found in libunwind-aarch64);
422      CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
423    endif
424  endif
425
426  ifneq ($(feature-libunwind), 1)
427    msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
428    NO_LOCAL_LIBUNWIND := 1
429  else
430    have_libunwind := 1
431    $(call detected,CONFIG_LOCAL_LIBUNWIND)
432  endif
433
434  ifneq ($(have_libunwind), 1)
435    NO_LIBUNWIND := 1
436  endif
437else
438  NO_LOCAL_LIBUNWIND := 1
439endif
440
441ifndef NO_LIBBPF
442  ifneq ($(feature-bpf), 1)
443    msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
444    NO_LIBBPF := 1
445  endif
446endif
447
448dwarf-post-unwind := 1
449dwarf-post-unwind-text := BUG
450
451# setup DWARF post unwinder
452ifdef NO_LIBUNWIND
453  ifdef NO_LIBDW_DWARF_UNWIND
454    msg := $(warning Disabling post unwind, no support found.);
455    dwarf-post-unwind := 0
456  else
457    dwarf-post-unwind-text := libdw
458    $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
459  endif
460else
461  dwarf-post-unwind-text := libunwind
462  $(call detected,CONFIG_LIBUNWIND)
463  # Enable libunwind support by default.
464  ifndef NO_LIBDW_DWARF_UNWIND
465    NO_LIBDW_DWARF_UNWIND := 1
466  endif
467endif
468
469ifeq ($(dwarf-post-unwind),1)
470  CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
471  $(call detected,CONFIG_DWARF_UNWIND)
472else
473  NO_DWARF_UNWIND := 1
474endif
475
476ifndef NO_LOCAL_LIBUNWIND
477  ifeq ($(ARCH),$(filter $(ARCH),arm arm64))
478    $(call feature_check,libunwind-debug-frame)
479    ifneq ($(feature-libunwind-debug-frame), 1)
480      msg := $(warning No debug_frame support found in libunwind);
481      CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
482    endif
483  else
484    # non-ARM has no dwarf_find_debug_frame() function:
485    CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
486  endif
487  EXTLIBS += $(LIBUNWIND_LIBS)
488  LDFLAGS += $(LIBUNWIND_LIBS)
489endif
490
491ifndef NO_LIBUNWIND
492  CFLAGS  += -DHAVE_LIBUNWIND_SUPPORT
493  CFLAGS  += $(LIBUNWIND_CFLAGS)
494  LDFLAGS += $(LIBUNWIND_LDFLAGS)
495  EXTLIBS += $(EXTLIBS_LIBUNWIND)
496endif
497
498ifndef NO_LIBAUDIT
499  ifneq ($(feature-libaudit), 1)
500    msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
501    NO_LIBAUDIT := 1
502  else
503    CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
504    EXTLIBS += -laudit
505    $(call detected,CONFIG_AUDIT)
506  endif
507endif
508
509ifndef NO_LIBCRYPTO
510  ifneq ($(feature-libcrypto), 1)
511    msg := $(warning No libcrypto.h found, disables jitted code injection, please install libssl-devel or libssl-dev);
512    NO_LIBCRYPTO := 1
513  else
514    CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
515    EXTLIBS += -lcrypto
516    $(call detected,CONFIG_CRYPTO)
517  endif
518endif
519
520ifdef NO_NEWT
521  NO_SLANG=1
522endif
523
524ifndef NO_SLANG
525  ifneq ($(feature-libslang), 1)
526    msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
527    NO_SLANG := 1
528  else
529    # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
530    CFLAGS += -I/usr/include/slang
531    CFLAGS += -DHAVE_SLANG_SUPPORT
532    EXTLIBS += -lslang
533    $(call detected,CONFIG_SLANG)
534  endif
535endif
536
537ifndef NO_GTK2
538  FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
539  ifneq ($(feature-gtk2), 1)
540    msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
541    NO_GTK2 := 1
542  else
543    ifeq ($(feature-gtk2-infobar), 1)
544      GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
545    endif
546    CFLAGS += -DHAVE_GTK2_SUPPORT
547    GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
548    GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
549    EXTLIBS += -ldl
550  endif
551endif
552
553grep-libs  = $(filter -l%,$(1))
554strip-libs = $(filter-out -l%,$(1))
555
556ifdef NO_LIBPERL
557  CFLAGS += -DNO_LIBPERL
558else
559  PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
560  PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
561  PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
562  PERL_EMBED_CCOPTS = `perl -MExtUtils::Embed -e ccopts 2>/dev/null`
563  FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
564
565  ifneq ($(feature-libperl), 1)
566    CFLAGS += -DNO_LIBPERL
567    NO_LIBPERL := 1
568    msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
569  else
570    LDFLAGS += $(PERL_EMBED_LDFLAGS)
571    EXTLIBS += $(PERL_EMBED_LIBADD)
572    $(call detected,CONFIG_LIBPERL)
573  endif
574endif
575
576ifeq ($(feature-timerfd), 1)
577  CFLAGS += -DHAVE_TIMERFD_SUPPORT
578else
579  msg := $(warning No timerfd support. Disables 'perf kvm stat live');
580endif
581
582disable-python = $(eval $(disable-python_code))
583define disable-python_code
584  CFLAGS += -DNO_LIBPYTHON
585  $(warning $1)
586  NO_LIBPYTHON := 1
587endef
588
589ifdef NO_LIBPYTHON
590  $(call disable-python,Python support disabled by user)
591else
592
593  ifndef PYTHON
594    $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
595  else
596    PYTHON_WORD := $(call shell-wordify,$(PYTHON))
597
598    ifndef PYTHON_CONFIG
599      $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
600    else
601
602      PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
603
604      PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
605      PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
606      PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
607      PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
608      ifeq ($(CC), clang)
609        PYTHON_EMBED_CCOPTS := $(filter-out -specs=%,$(PYTHON_EMBED_CCOPTS))
610      endif
611      FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
612
613      ifneq ($(feature-libpython), 1)
614        $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
615      else
616
617        ifneq ($(feature-libpython-version), 1)
618          $(warning Python 3 is not yet supported; please set)
619          $(warning PYTHON and/or PYTHON_CONFIG appropriately.)
620          $(warning If you also have Python 2 installed, then)
621          $(warning try something like:)
622          $(warning $(and ,))
623          $(warning $(and ,)  make PYTHON=python2)
624          $(warning $(and ,))
625          $(warning Otherwise, disable Python support entirely:)
626          $(warning $(and ,))
627          $(warning $(and ,)  make NO_LIBPYTHON=1)
628          $(warning $(and ,))
629          $(error   $(and ,))
630        else
631          LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
632          EXTLIBS += $(PYTHON_EMBED_LIBADD)
633          LANG_BINDINGS += $(obj-perf)python/perf.so
634          $(call detected,CONFIG_LIBPYTHON)
635        endif
636      endif
637    endif
638  endif
639endif
640
641ifeq ($(feature-libbfd), 1)
642  EXTLIBS += -lbfd
643
644  # call all detections now so we get correct
645  # status in VF output
646  $(call feature_check,liberty)
647  $(call feature_check,liberty-z)
648  $(call feature_check,cplus-demangle)
649
650  ifeq ($(feature-liberty), 1)
651    EXTLIBS += -liberty
652  else
653    ifeq ($(feature-liberty-z), 1)
654      EXTLIBS += -liberty -lz
655    endif
656  endif
657endif
658
659ifdef NO_DEMANGLE
660  CFLAGS += -DNO_DEMANGLE
661else
662  ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
663    EXTLIBS += -liberty
664    CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
665  else
666    ifneq ($(feature-libbfd), 1)
667      ifneq ($(feature-liberty), 1)
668        ifneq ($(feature-liberty-z), 1)
669          # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
670          # or any of 'bfd iberty z' trinity
671          ifeq ($(feature-cplus-demangle), 1)
672            EXTLIBS += -liberty
673            CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
674          else
675            msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
676            CFLAGS += -DNO_DEMANGLE
677          endif
678        endif
679      endif
680    endif
681  endif
682endif
683
684ifneq ($(filter -lbfd,$(EXTLIBS)),)
685  CFLAGS += -DHAVE_LIBBFD_SUPPORT
686endif
687
688ifndef NO_ZLIB
689  ifeq ($(feature-zlib), 1)
690    CFLAGS += -DHAVE_ZLIB_SUPPORT
691    EXTLIBS += -lz
692    $(call detected,CONFIG_ZLIB)
693  else
694    NO_ZLIB := 1
695  endif
696endif
697
698ifndef NO_LZMA
699  ifeq ($(feature-lzma), 1)
700    CFLAGS += -DHAVE_LZMA_SUPPORT
701    EXTLIBS += -llzma
702    $(call detected,CONFIG_LZMA)
703  else
704    msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
705    NO_LZMA := 1
706  endif
707endif
708
709ifndef NO_BACKTRACE
710  ifeq ($(feature-backtrace), 1)
711    CFLAGS += -DHAVE_BACKTRACE_SUPPORT
712  endif
713endif
714
715ifndef NO_LIBNUMA
716  ifeq ($(feature-libnuma), 0)
717    msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
718    NO_LIBNUMA := 1
719  else
720    ifeq ($(feature-numa_num_possible_cpus), 0)
721      msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
722      NO_LIBNUMA := 1
723    else
724      CFLAGS += -DHAVE_LIBNUMA_SUPPORT
725      EXTLIBS += -lnuma
726      $(call detected,CONFIG_NUMA)
727    endif
728  endif
729endif
730
731ifdef HAVE_KVM_STAT_SUPPORT
732    CFLAGS += -DHAVE_KVM_STAT_SUPPORT
733endif
734
735ifeq (${IS_64_BIT}, 1)
736  ifndef NO_PERF_READ_VDSO32
737    $(call feature_check,compile-32)
738    ifeq ($(feature-compile-32), 1)
739      CFLAGS += -DHAVE_PERF_READ_VDSO32
740    else
741      NO_PERF_READ_VDSO32 := 1
742    endif
743  endif
744  ifneq ($(ARCH), x86)
745    NO_PERF_READ_VDSOX32 := 1
746  endif
747  ifndef NO_PERF_READ_VDSOX32
748    $(call feature_check,compile-x32)
749    ifeq ($(feature-compile-x32), 1)
750      CFLAGS += -DHAVE_PERF_READ_VDSOX32
751    else
752      NO_PERF_READ_VDSOX32 := 1
753    endif
754  endif
755else
756  NO_PERF_READ_VDSO32 := 1
757  NO_PERF_READ_VDSOX32 := 1
758endif
759
760ifdef LIBBABELTRACE
761  $(call feature_check,libbabeltrace)
762  ifeq ($(feature-libbabeltrace), 1)
763    CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
764    LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
765    EXTLIBS += -lbabeltrace-ctf
766    $(call detected,CONFIG_LIBBABELTRACE)
767  else
768    msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
769  endif
770endif
771
772ifndef NO_AUXTRACE
773  ifeq ($(ARCH),x86)
774    ifeq ($(feature-get_cpuid), 0)
775      msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
776      NO_AUXTRACE := 1
777    endif
778  endif
779  ifndef NO_AUXTRACE
780    $(call detected,CONFIG_AUXTRACE)
781    CFLAGS += -DHAVE_AUXTRACE_SUPPORT
782  endif
783endif
784
785ifndef NO_JVMTI
786  ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
787    JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
788  else
789    ifneq (,$(wildcard /usr/sbin/alternatives))
790      JDIR=$(shell alternatives --display java | tail -1 | cut -d' ' -f 5 | sed 's%/jre/bin/java.%%g')
791    endif
792  endif
793  ifndef JDIR
794    $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
795    NO_JVMTI := 1
796  endif
797endif
798
799ifndef NO_JVMTI
800  FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
801  $(call feature_check,jvmti)
802  ifeq ($(feature-jvmti), 1)
803    $(call detected_var,JDIR)
804  else
805    $(warning No openjdk development package found, please install JDK package)
806    NO_JVMTI := 1
807  endif
808endif
809
810USE_CXX = 0
811USE_CLANGLLVM = 0
812ifdef LIBCLANGLLVM
813  $(call feature_check,cxx)
814  ifneq ($(feature-cxx), 1)
815    msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
816  else
817    $(call feature_check,llvm)
818    $(call feature_check,llvm-version)
819    ifneq ($(feature-llvm), 1)
820      msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
821    else
822      $(call feature_check,clang)
823      ifneq ($(feature-clang), 1)
824        msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
825      else
826        CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
827        CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
828        $(call detected,CONFIG_CXX)
829        $(call detected,CONFIG_CLANGLLVM)
830	USE_CXX = 1
831	USE_LLVM = 1
832	USE_CLANG = 1
833        ifneq ($(feature-llvm-version),1)
834          msg := $(warning This version of LLVM is not tested. May cause build errors)
835        endif
836      endif
837    endif
838  endif
839endif
840
841# Among the variables below, these:
842#   perfexecdir
843#   template_dir
844#   mandir
845#   infodir
846#   htmldir
847#   ETC_PERFCONFIG (but not sysconfdir)
848# can be specified as a relative path some/where/else;
849# this is interpreted as relative to $(prefix) and "perf" at
850# runtime figures out where they are based on the path to the executable.
851# This can help installing the suite in a relocatable way.
852
853# Make the path relative to DESTDIR, not to prefix
854ifndef DESTDIR
855prefix ?= $(HOME)
856endif
857bindir_relative = bin
858bindir = $(abspath $(prefix)/$(bindir_relative))
859mandir = share/man
860infodir = share/info
861perfexecdir = libexec/perf-core
862sharedir = $(prefix)/share
863template_dir = share/perf-core/templates
864STRACE_GROUPS_DIR = share/perf-core/strace/groups
865htmldir = share/doc/perf-doc
866tipdir = share/doc/perf-tip
867srcdir = $(srctree)/tools/perf
868ifeq ($(prefix),/usr)
869sysconfdir = /etc
870ETC_PERFCONFIG = $(sysconfdir)/perfconfig
871else
872sysconfdir = $(prefix)/etc
873ETC_PERFCONFIG = etc/perfconfig
874endif
875ifndef lib
876ifeq ($(ARCH)$(IS_64_BIT), x861)
877lib = lib64
878else
879lib = lib
880endif
881endif # lib
882libdir = $(prefix)/$(lib)
883
884# Shell quote (do not use $(call) to accommodate ancient setups);
885ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
886STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
887DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
888bindir_SQ = $(subst ','\'',$(bindir))
889mandir_SQ = $(subst ','\'',$(mandir))
890infodir_SQ = $(subst ','\'',$(infodir))
891perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
892template_dir_SQ = $(subst ','\'',$(template_dir))
893htmldir_SQ = $(subst ','\'',$(htmldir))
894tipdir_SQ = $(subst ','\'',$(tipdir))
895prefix_SQ = $(subst ','\'',$(prefix))
896sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
897libdir_SQ = $(subst ','\'',$(libdir))
898srcdir_SQ = $(subst ','\'',$(srcdir))
899
900ifneq ($(filter /%,$(firstword $(perfexecdir))),)
901perfexec_instdir = $(perfexecdir)
902STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
903tip_instdir = $(tipdir)
904else
905perfexec_instdir = $(prefix)/$(perfexecdir)
906STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
907tip_instdir = $(prefix)/$(tipdir)
908endif
909perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
910STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
911tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
912
913# If we install to $(HOME) we keep the traceevent default:
914# $(HOME)/.traceevent/plugins
915# Otherwise we install plugins into the global $(libdir).
916ifdef DESTDIR
917plugindir=$(libdir)/traceevent/plugins
918plugindir_SQ= $(subst ','\'',$(plugindir))
919endif
920
921print_var = $(eval $(print_var_code)) $(info $(MSG))
922define print_var_code
923    MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
924endef
925
926ifeq ($(VF),1)
927  $(call print_var,prefix)
928  $(call print_var,bindir)
929  $(call print_var,libdir)
930  $(call print_var,sysconfdir)
931  $(call print_var,LIBUNWIND_DIR)
932  $(call print_var,LIBDW_DIR)
933  $(call print_var,JDIR)
934
935  ifeq ($(dwarf-post-unwind),1)
936    $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
937  endif
938  $(info )
939endif
940
941$(call detected_var,bindir_SQ)
942$(call detected_var,PYTHON_WORD)
943ifneq ($(OUTPUT),)
944$(call detected_var,OUTPUT)
945endif
946$(call detected_var,htmldir_SQ)
947$(call detected_var,infodir_SQ)
948$(call detected_var,mandir_SQ)
949$(call detected_var,ETC_PERFCONFIG_SQ)
950$(call detected_var,STRACE_GROUPS_DIR_SQ)
951$(call detected_var,prefix_SQ)
952$(call detected_var,perfexecdir_SQ)
953$(call detected_var,tipdir_SQ)
954$(call detected_var,srcdir_SQ)
955$(call detected_var,LIBDIR)
956$(call detected_var,GTK_CFLAGS)
957$(call detected_var,PERL_EMBED_CCOPTS)
958$(call detected_var,PYTHON_EMBED_CCOPTS)
959