xref: /openbmc/linux/tools/perf/Makefile.config (revision 4da722ca) 
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,SRCARCH)
23
24NO_PERF_REGS := 1
25
26# Additional ARCH settings for ppc
27ifeq ($(SRCARCH),powerpc)
28  NO_PERF_REGS := 0
29  LIBUNWIND_LIBS := -lunwind -lunwind-ppc64
30endif
31
32# Additional ARCH settings for x86
33ifeq ($(SRCARCH),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    $(call detected,CONFIG_X86_64)
40  else
41    LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind
42  endif
43  NO_PERF_REGS := 0
44endif
45
46ifeq ($(SRCARCH),arm)
47  NO_PERF_REGS := 0
48  LIBUNWIND_LIBS = -lunwind -lunwind-arm
49endif
50
51ifeq ($(SRCARCH),arm64)
52  NO_PERF_REGS := 0
53  LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
54endif
55
56ifeq ($(NO_PERF_REGS),0)
57  $(call detected,CONFIG_PERF_REGS)
58endif
59
60# So far there's only x86 and arm libdw unwind support merged in perf.
61# Disable it on all other architectures in case libdw unwind
62# support is detected in system. Add supported architectures
63# to the check.
64ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm powerpc))
65  NO_LIBDW_DWARF_UNWIND := 1
66endif
67
68ifeq ($(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$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi
119# include ARCH specific config
120-include $(src-perf)/arch/$(SRCARCH)/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
173grep-libs  = $(filter -l%,$(1))
174strip-libs  = $(filter-out -l%,$(1))
175
176PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
177
178ifdef PYTHON_CONFIG
179  PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
180  PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
181  PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
182  PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
183  ifeq ($(CC), clang)
184    PYTHON_EMBED_CCOPTS := $(filter-out -specs=%,$(PYTHON_EMBED_CCOPTS))
185  endif
186  FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
187endif
188
189FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
190FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
191FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
192FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
193
194CFLAGS += -fno-omit-frame-pointer
195CFLAGS += -ggdb3
196CFLAGS += -funwind-tables
197CFLAGS += -Wall
198CFLAGS += -Wextra
199CFLAGS += -std=gnu99
200
201CXXFLAGS += -std=gnu++11 -fno-exceptions -fno-rtti
202CXXFLAGS += -Wall
203CXXFLAGS += -fno-omit-frame-pointer
204CXXFLAGS += -ggdb3
205CXXFLAGS += -funwind-tables
206CXXFLAGS += -Wno-strict-aliasing
207
208# Enforce a non-executable stack, as we may regress (again) in the future by
209# adding assembler files missing the .GNU-stack linker note.
210LDFLAGS += -Wl,-z,noexecstack
211
212EXTLIBS = -lpthread -lrt -lm -ldl
213
214ifeq ($(FEATURES_DUMP),)
215include $(srctree)/tools/build/Makefile.feature
216else
217include $(FEATURES_DUMP)
218endif
219
220ifeq ($(feature-stackprotector-all), 1)
221  CFLAGS += -fstack-protector-all
222endif
223
224ifeq ($(DEBUG),0)
225  ifeq ($(feature-fortify-source), 1)
226    CFLAGS += -D_FORTIFY_SOURCE=2
227  endif
228endif
229
230INC_FLAGS += -I$(src-perf)/util/include
231INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
232INC_FLAGS += -I$(srctree)/tools/include/uapi
233INC_FLAGS += -I$(srctree)/tools/include/
234INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
235INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
236INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
237
238# $(obj-perf)      for generated common-cmds.h
239# $(obj-perf)/util for generated bison/flex headers
240ifneq ($(OUTPUT),)
241INC_FLAGS += -I$(obj-perf)/util
242INC_FLAGS += -I$(obj-perf)
243endif
244
245INC_FLAGS += -I$(src-perf)/util
246INC_FLAGS += -I$(src-perf)
247INC_FLAGS += -I$(srctree)/tools/lib/
248
249CFLAGS   += $(INC_FLAGS)
250CXXFLAGS += $(INC_FLAGS)
251
252CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
253
254ifeq ($(feature-sync-compare-and-swap), 1)
255  CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
256endif
257
258ifeq ($(feature-pthread-attr-setaffinity-np), 1)
259  CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
260endif
261
262ifndef NO_BIONIC
263  $(call feature_check,bionic)
264  ifeq ($(feature-bionic), 1)
265    BIONIC := 1
266    EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
267    EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
268  endif
269endif
270
271ifdef NO_LIBELF
272  NO_DWARF := 1
273  NO_DEMANGLE := 1
274  NO_LIBUNWIND := 1
275  NO_LIBDW_DWARF_UNWIND := 1
276  NO_LIBBPF := 1
277  NO_JVMTI := 1
278else
279  ifeq ($(feature-libelf), 0)
280    ifeq ($(feature-glibc), 1)
281      LIBC_SUPPORT := 1
282    endif
283    ifeq ($(BIONIC),1)
284      LIBC_SUPPORT := 1
285    endif
286    ifeq ($(LIBC_SUPPORT),1)
287      msg := $(warning No libelf found. Disables 'probe' tool, jvmti and BPF support in 'perf record'. Please install libelf-dev, libelf-devel or elfutils-libelf-devel);
288
289      NO_LIBELF := 1
290      NO_DWARF := 1
291      NO_DEMANGLE := 1
292      NO_LIBUNWIND := 1
293      NO_LIBDW_DWARF_UNWIND := 1
294      NO_LIBBPF := 1
295      NO_JVMTI := 1
296    else
297      ifneq ($(filter s% -static%,$(LDFLAGS),),)
298        msg := $(error No static glibc found, please install glibc-static);
299      else
300        msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
301      endif
302    endif
303  else
304    ifndef NO_LIBDW_DWARF_UNWIND
305      ifneq ($(feature-libdw-dwarf-unwind),1)
306        NO_LIBDW_DWARF_UNWIND := 1
307        msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
308      endif
309    endif
310    ifneq ($(feature-dwarf), 1)
311      ifndef NO_DWARF
312        msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
313        NO_DWARF := 1
314      endif
315    else
316      ifneq ($(feature-dwarf_getlocations), 1)
317        msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
318      else
319        CFLAGS += -DHAVE_DWARF_GETLOCATIONS
320      endif # dwarf_getlocations
321    endif # Dwarf support
322  endif # libelf support
323endif # NO_LIBELF
324
325ifdef NO_DWARF
326  NO_LIBDW_DWARF_UNWIND := 1
327endif
328
329ifeq ($(feature-sched_getcpu), 1)
330  CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
331endif
332
333ifndef NO_LIBELF
334  CFLAGS += -DHAVE_LIBELF_SUPPORT
335  EXTLIBS += -lelf
336  $(call detected,CONFIG_LIBELF)
337
338  ifeq ($(feature-libelf-mmap), 1)
339    CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
340  endif
341
342  ifeq ($(feature-libelf-getphdrnum), 1)
343    CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
344  endif
345
346  ifeq ($(feature-libelf-gelf_getnote), 1)
347    CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
348  else
349    msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
350  endif
351
352  ifeq ($(feature-libelf-getshdrstrndx), 1)
353    CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
354  endif
355
356  ifndef NO_DWARF
357    ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
358      msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
359      NO_DWARF := 1
360    else
361      CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
362      LDFLAGS += $(LIBDW_LDFLAGS)
363      DWARFLIBS := -ldw
364      ifeq ($(findstring -static,${LDFLAGS}),-static)
365	DWARFLIBS += -lelf -lebl -lz -llzma -lbz2
366      endif
367      EXTLIBS += ${DWARFLIBS}
368      $(call detected,CONFIG_DWARF)
369    endif # PERF_HAVE_DWARF_REGS
370  endif # NO_DWARF
371
372  ifndef NO_LIBBPF
373    ifeq ($(feature-bpf), 1)
374      CFLAGS += -DHAVE_LIBBPF_SUPPORT
375      $(call detected,CONFIG_LIBBPF)
376    endif
377
378    ifndef NO_DWARF
379      ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
380        CFLAGS += -DHAVE_BPF_PROLOGUE
381        $(call detected,CONFIG_BPF_PROLOGUE)
382      else
383        msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset());
384      endif
385    else
386      msg := $(warning DWARF support is off, BPF prologue is disabled);
387    endif
388
389  endif # NO_LIBBPF
390endif # NO_LIBELF
391
392ifndef NO_SDT
393  ifneq ($(feature-sdt), 1)
394    msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
395    NO_SDT := 1;
396  else
397    CFLAGS += -DHAVE_SDT_EVENT
398    $(call detected,CONFIG_SDT_EVENT)
399  endif
400endif
401
402ifdef PERF_HAVE_JITDUMP
403  ifndef NO_LIBELF
404    $(call detected,CONFIG_JITDUMP)
405    CFLAGS += -DHAVE_JITDUMP
406  endif
407endif
408
409ifeq ($(SRCARCH),powerpc)
410  ifndef NO_DWARF
411    CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
412  endif
413endif
414
415ifndef NO_LIBUNWIND
416  have_libunwind :=
417
418  ifeq ($(feature-libunwind-x86), 1)
419    $(call detected,CONFIG_LIBUNWIND_X86)
420    CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
421    LDFLAGS += -lunwind-x86
422    EXTLIBS_LIBUNWIND += -lunwind-x86
423    have_libunwind = 1
424  endif
425
426  ifeq ($(feature-libunwind-aarch64), 1)
427    $(call detected,CONFIG_LIBUNWIND_AARCH64)
428    CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
429    LDFLAGS += -lunwind-aarch64
430    EXTLIBS_LIBUNWIND += -lunwind-aarch64
431    have_libunwind = 1
432    $(call feature_check,libunwind-debug-frame-aarch64)
433    ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
434      msg := $(warning No debug_frame support found in libunwind-aarch64);
435      CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
436    endif
437  endif
438
439  ifneq ($(feature-libunwind), 1)
440    msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
441    NO_LOCAL_LIBUNWIND := 1
442  else
443    have_libunwind := 1
444    $(call detected,CONFIG_LOCAL_LIBUNWIND)
445  endif
446
447  ifneq ($(have_libunwind), 1)
448    NO_LIBUNWIND := 1
449  endif
450else
451  NO_LOCAL_LIBUNWIND := 1
452endif
453
454ifndef NO_LIBBPF
455  ifneq ($(feature-bpf), 1)
456    msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
457    NO_LIBBPF := 1
458  endif
459endif
460
461dwarf-post-unwind := 1
462dwarf-post-unwind-text := BUG
463
464# setup DWARF post unwinder
465ifdef NO_LIBUNWIND
466  ifdef NO_LIBDW_DWARF_UNWIND
467    msg := $(warning Disabling post unwind, no support found.);
468    dwarf-post-unwind := 0
469  else
470    dwarf-post-unwind-text := libdw
471    $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
472  endif
473else
474  dwarf-post-unwind-text := libunwind
475  $(call detected,CONFIG_LIBUNWIND)
476  # Enable libunwind support by default.
477  ifndef NO_LIBDW_DWARF_UNWIND
478    NO_LIBDW_DWARF_UNWIND := 1
479  endif
480endif
481
482ifeq ($(dwarf-post-unwind),1)
483  CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
484  $(call detected,CONFIG_DWARF_UNWIND)
485else
486  NO_DWARF_UNWIND := 1
487endif
488
489ifndef NO_LOCAL_LIBUNWIND
490  ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
491    $(call feature_check,libunwind-debug-frame)
492    ifneq ($(feature-libunwind-debug-frame), 1)
493      msg := $(warning No debug_frame support found in libunwind);
494      CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
495    endif
496  else
497    # non-ARM has no dwarf_find_debug_frame() function:
498    CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
499  endif
500  EXTLIBS += $(LIBUNWIND_LIBS)
501  LDFLAGS += $(LIBUNWIND_LIBS)
502endif
503
504ifndef NO_LIBUNWIND
505  CFLAGS  += -DHAVE_LIBUNWIND_SUPPORT
506  CFLAGS  += $(LIBUNWIND_CFLAGS)
507  LDFLAGS += $(LIBUNWIND_LDFLAGS)
508  EXTLIBS += $(EXTLIBS_LIBUNWIND)
509endif
510
511ifndef NO_LIBAUDIT
512  ifneq ($(feature-libaudit), 1)
513    msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
514    NO_LIBAUDIT := 1
515  else
516    CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
517    EXTLIBS += -laudit
518    $(call detected,CONFIG_AUDIT)
519  endif
520endif
521
522ifndef NO_LIBCRYPTO
523  ifneq ($(feature-libcrypto), 1)
524    msg := $(warning No libcrypto.h found, disables jitted code injection, please install libssl-devel or libssl-dev);
525    NO_LIBCRYPTO := 1
526  else
527    CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
528    EXTLIBS += -lcrypto
529    $(call detected,CONFIG_CRYPTO)
530  endif
531endif
532
533ifdef NO_NEWT
534  NO_SLANG=1
535endif
536
537ifndef NO_SLANG
538  ifneq ($(feature-libslang), 1)
539    msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
540    NO_SLANG := 1
541  else
542    # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
543    CFLAGS += -I/usr/include/slang
544    CFLAGS += -DHAVE_SLANG_SUPPORT
545    EXTLIBS += -lslang
546    $(call detected,CONFIG_SLANG)
547  endif
548endif
549
550ifndef NO_GTK2
551  FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
552  ifneq ($(feature-gtk2), 1)
553    msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
554    NO_GTK2 := 1
555  else
556    ifeq ($(feature-gtk2-infobar), 1)
557      GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
558    endif
559    CFLAGS += -DHAVE_GTK2_SUPPORT
560    GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
561    GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
562    EXTLIBS += -ldl
563  endif
564endif
565
566
567ifdef NO_LIBPERL
568  CFLAGS += -DNO_LIBPERL
569else
570  PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
571  PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
572  PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
573  PERL_EMBED_CCOPTS = `perl -MExtUtils::Embed -e ccopts 2>/dev/null`
574  FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
575
576  ifneq ($(feature-libperl), 1)
577    CFLAGS += -DNO_LIBPERL
578    NO_LIBPERL := 1
579    msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
580  else
581    LDFLAGS += $(PERL_EMBED_LDFLAGS)
582    EXTLIBS += $(PERL_EMBED_LIBADD)
583    $(call detected,CONFIG_LIBPERL)
584  endif
585endif
586
587ifeq ($(feature-timerfd), 1)
588  CFLAGS += -DHAVE_TIMERFD_SUPPORT
589else
590  msg := $(warning No timerfd support. Disables 'perf kvm stat live');
591endif
592
593disable-python = $(eval $(disable-python_code))
594define disable-python_code
595  CFLAGS += -DNO_LIBPYTHON
596  $(warning $1)
597  NO_LIBPYTHON := 1
598endef
599
600ifdef NO_LIBPYTHON
601  $(call disable-python,Python support disabled by user)
602else
603
604  ifndef PYTHON
605    $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
606  else
607    PYTHON_WORD := $(call shell-wordify,$(PYTHON))
608
609    ifndef PYTHON_CONFIG
610      $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
611    else
612
613      ifneq ($(feature-libpython), 1)
614        $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
615      else
616        ifneq ($(feature-libpython-version), 1)
617          $(warning Python 3 is not yet supported; please set)
618          $(warning PYTHON and/or PYTHON_CONFIG appropriately.)
619          $(warning If you also have Python 2 installed, then)
620          $(warning try something like:)
621          $(warning $(and ,))
622          $(warning $(and ,)  make PYTHON=python2)
623          $(warning $(and ,))
624          $(warning Otherwise, disable Python support entirely:)
625          $(warning $(and ,))
626          $(warning $(and ,)  make NO_LIBPYTHON=1)
627          $(warning $(and ,))
628          $(error   $(and ,))
629        else
630          LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
631          EXTLIBS += $(PYTHON_EMBED_LIBADD)
632          LANG_BINDINGS += $(obj-perf)python/perf.so
633          $(call detected,CONFIG_LIBPYTHON)
634        endif
635      endif
636    endif
637  endif
638endif
639
640ifeq ($(feature-libbfd), 1)
641  EXTLIBS += -lbfd
642
643  # call all detections now so we get correct
644  # status in VF output
645  $(call feature_check,liberty)
646  $(call feature_check,liberty-z)
647  $(call feature_check,cplus-demangle)
648
649  ifeq ($(feature-liberty), 1)
650    EXTLIBS += -liberty
651  else
652    ifeq ($(feature-liberty-z), 1)
653      EXTLIBS += -liberty -lz
654    endif
655  endif
656endif
657
658ifdef NO_DEMANGLE
659  CFLAGS += -DNO_DEMANGLE
660else
661  ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
662    EXTLIBS += -liberty
663    CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
664  else
665    ifneq ($(feature-libbfd), 1)
666      ifneq ($(feature-liberty), 1)
667        ifneq ($(feature-liberty-z), 1)
668          # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
669          # or any of 'bfd iberty z' trinity
670          ifeq ($(feature-cplus-demangle), 1)
671            EXTLIBS += -liberty
672            CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
673          else
674            msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
675            CFLAGS += -DNO_DEMANGLE
676          endif
677        endif
678      endif
679    endif
680  endif
681endif
682
683ifneq ($(filter -lbfd,$(EXTLIBS)),)
684  CFLAGS += -DHAVE_LIBBFD_SUPPORT
685endif
686
687ifndef NO_ZLIB
688  ifeq ($(feature-zlib), 1)
689    CFLAGS += -DHAVE_ZLIB_SUPPORT
690    EXTLIBS += -lz
691    $(call detected,CONFIG_ZLIB)
692  else
693    NO_ZLIB := 1
694  endif
695endif
696
697ifndef NO_LZMA
698  ifeq ($(feature-lzma), 1)
699    CFLAGS += -DHAVE_LZMA_SUPPORT
700    EXTLIBS += -llzma
701    $(call detected,CONFIG_LZMA)
702  else
703    msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
704    NO_LZMA := 1
705  endif
706endif
707
708ifndef NO_BACKTRACE
709  ifeq ($(feature-backtrace), 1)
710    CFLAGS += -DHAVE_BACKTRACE_SUPPORT
711  endif
712endif
713
714ifndef NO_LIBNUMA
715  ifeq ($(feature-libnuma), 0)
716    msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
717    NO_LIBNUMA := 1
718  else
719    ifeq ($(feature-numa_num_possible_cpus), 0)
720      msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
721      NO_LIBNUMA := 1
722    else
723      CFLAGS += -DHAVE_LIBNUMA_SUPPORT
724      EXTLIBS += -lnuma
725      $(call detected,CONFIG_NUMA)
726    endif
727  endif
728endif
729
730ifdef HAVE_KVM_STAT_SUPPORT
731    CFLAGS += -DHAVE_KVM_STAT_SUPPORT
732endif
733
734ifeq (${IS_64_BIT}, 1)
735  ifndef NO_PERF_READ_VDSO32
736    $(call feature_check,compile-32)
737    ifeq ($(feature-compile-32), 1)
738      CFLAGS += -DHAVE_PERF_READ_VDSO32
739    else
740      NO_PERF_READ_VDSO32 := 1
741    endif
742  endif
743  ifneq ($(SRCARCH), x86)
744    NO_PERF_READ_VDSOX32 := 1
745  endif
746  ifndef NO_PERF_READ_VDSOX32
747    $(call feature_check,compile-x32)
748    ifeq ($(feature-compile-x32), 1)
749      CFLAGS += -DHAVE_PERF_READ_VDSOX32
750    else
751      NO_PERF_READ_VDSOX32 := 1
752    endif
753  endif
754else
755  NO_PERF_READ_VDSO32 := 1
756  NO_PERF_READ_VDSOX32 := 1
757endif
758
759ifdef LIBBABELTRACE
760  $(call feature_check,libbabeltrace)
761  ifeq ($(feature-libbabeltrace), 1)
762    CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
763    LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
764    EXTLIBS += -lbabeltrace-ctf
765    $(call detected,CONFIG_LIBBABELTRACE)
766  else
767    msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
768  endif
769endif
770
771ifndef NO_AUXTRACE
772  ifeq ($(SRCARCH),x86)
773    ifeq ($(feature-get_cpuid), 0)
774      msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
775      NO_AUXTRACE := 1
776    endif
777  endif
778  ifndef NO_AUXTRACE
779    $(call detected,CONFIG_AUXTRACE)
780    CFLAGS += -DHAVE_AUXTRACE_SUPPORT
781  endif
782endif
783
784ifndef NO_JVMTI
785  ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
786    JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
787  else
788    ifneq (,$(wildcard /usr/sbin/alternatives))
789      JDIR=$(shell alternatives --display java | tail -1 | cut -d' ' -f 5 | sed 's%/jre/bin/java.%%g')
790    endif
791  endif
792  ifndef JDIR
793    $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
794    NO_JVMTI := 1
795  endif
796endif
797
798ifndef NO_JVMTI
799  FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
800  $(call feature_check,jvmti)
801  ifeq ($(feature-jvmti), 1)
802    $(call detected_var,JDIR)
803  else
804    $(warning No openjdk development package found, please install JDK package)
805    NO_JVMTI := 1
806  endif
807endif
808
809USE_CXX = 0
810USE_CLANGLLVM = 0
811ifdef LIBCLANGLLVM
812  $(call feature_check,cxx)
813  ifneq ($(feature-cxx), 1)
814    msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
815  else
816    $(call feature_check,llvm)
817    $(call feature_check,llvm-version)
818    ifneq ($(feature-llvm), 1)
819      msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
820    else
821      $(call feature_check,clang)
822      ifneq ($(feature-clang), 1)
823        msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
824      else
825        CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
826        CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
827        $(call detected,CONFIG_CXX)
828        $(call detected,CONFIG_CLANGLLVM)
829	USE_CXX = 1
830	USE_LLVM = 1
831	USE_CLANG = 1
832        ifneq ($(feature-llvm-version),1)
833          msg := $(warning This version of LLVM is not tested. May cause build errors)
834        endif
835      endif
836    endif
837  endif
838endif
839
840# Among the variables below, these:
841#   perfexecdir
842#   template_dir
843#   mandir
844#   infodir
845#   htmldir
846#   ETC_PERFCONFIG (but not sysconfdir)
847# can be specified as a relative path some/where/else;
848# this is interpreted as relative to $(prefix) and "perf" at
849# runtime figures out where they are based on the path to the executable.
850# This can help installing the suite in a relocatable way.
851
852# Make the path relative to DESTDIR, not to prefix
853ifndef DESTDIR
854prefix ?= $(HOME)
855endif
856bindir_relative = bin
857bindir = $(abspath $(prefix)/$(bindir_relative))
858mandir = share/man
859infodir = share/info
860perfexecdir = libexec/perf-core
861sharedir = $(prefix)/share
862template_dir = share/perf-core/templates
863STRACE_GROUPS_DIR = share/perf-core/strace/groups
864htmldir = share/doc/perf-doc
865tipdir = share/doc/perf-tip
866srcdir = $(srctree)/tools/perf
867ifeq ($(prefix),/usr)
868sysconfdir = /etc
869ETC_PERFCONFIG = $(sysconfdir)/perfconfig
870else
871sysconfdir = $(prefix)/etc
872ETC_PERFCONFIG = etc/perfconfig
873endif
874ifndef lib
875ifeq ($(SRCARCH)$(IS_64_BIT), x861)
876lib = lib64
877else
878lib = lib
879endif
880endif # lib
881libdir = $(prefix)/$(lib)
882
883# Shell quote (do not use $(call) to accommodate ancient setups);
884ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
885STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
886DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
887bindir_SQ = $(subst ','\'',$(bindir))
888mandir_SQ = $(subst ','\'',$(mandir))
889infodir_SQ = $(subst ','\'',$(infodir))
890perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
891template_dir_SQ = $(subst ','\'',$(template_dir))
892htmldir_SQ = $(subst ','\'',$(htmldir))
893tipdir_SQ = $(subst ','\'',$(tipdir))
894prefix_SQ = $(subst ','\'',$(prefix))
895sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
896libdir_SQ = $(subst ','\'',$(libdir))
897srcdir_SQ = $(subst ','\'',$(srcdir))
898
899ifneq ($(filter /%,$(firstword $(perfexecdir))),)
900perfexec_instdir = $(perfexecdir)
901STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
902tip_instdir = $(tipdir)
903else
904perfexec_instdir = $(prefix)/$(perfexecdir)
905STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
906tip_instdir = $(prefix)/$(tipdir)
907endif
908perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
909STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
910tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
911
912# If we install to $(HOME) we keep the traceevent default:
913# $(HOME)/.traceevent/plugins
914# Otherwise we install plugins into the global $(libdir).
915ifdef DESTDIR
916plugindir=$(libdir)/traceevent/plugins
917plugindir_SQ= $(subst ','\'',$(plugindir))
918endif
919
920print_var = $(eval $(print_var_code)) $(info $(MSG))
921define print_var_code
922    MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
923endef
924
925ifeq ($(VF),1)
926  $(call print_var,prefix)
927  $(call print_var,bindir)
928  $(call print_var,libdir)
929  $(call print_var,sysconfdir)
930  $(call print_var,LIBUNWIND_DIR)
931  $(call print_var,LIBDW_DIR)
932  $(call print_var,JDIR)
933
934  ifeq ($(dwarf-post-unwind),1)
935    $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
936  endif
937  $(info )
938endif
939
940$(call detected_var,bindir_SQ)
941$(call detected_var,PYTHON_WORD)
942ifneq ($(OUTPUT),)
943$(call detected_var,OUTPUT)
944endif
945$(call detected_var,htmldir_SQ)
946$(call detected_var,infodir_SQ)
947$(call detected_var,mandir_SQ)
948$(call detected_var,ETC_PERFCONFIG_SQ)
949$(call detected_var,STRACE_GROUPS_DIR_SQ)
950$(call detected_var,prefix_SQ)
951$(call detected_var,perfexecdir_SQ)
952$(call detected_var,tipdir_SQ)
953$(call detected_var,srcdir_SQ)
954$(call detected_var,LIBDIR)
955$(call detected_var,GTK_CFLAGS)
956$(call detected_var,PERL_EMBED_CCOPTS)
957$(call detected_var,PYTHON_EMBED_CCOPTS)
958