xref: /openbmc/linux/tools/perf/Makefile.config (revision 41e4b7dc) 
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-x86_64 -lunwind -llzma
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
106DWARFLIBS := -ldw
107ifeq ($(findstring -static,${LDFLAGS}),-static)
108  DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2
109endif
110FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
111FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS)
112
113# for linking with debug library, run like:
114# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
115ifdef LIBBABELTRACE_DIR
116  LIBBABELTRACE_CFLAGS  := -I$(LIBBABELTRACE_DIR)/include
117  LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
118endif
119FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
120FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
121
122FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi
123# include ARCH specific config
124-include $(src-perf)/arch/$(SRCARCH)/Makefile
125
126ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
127  CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
128endif
129
130include $(srctree)/tools/scripts/utilities.mak
131
132ifeq ($(call get-executable,$(FLEX)),)
133  dummy := $(error Error: $(FLEX) is missing on this system, please install it)
134endif
135
136ifeq ($(call get-executable,$(BISON)),)
137  dummy := $(error Error: $(BISON) is missing on this system, please install it)
138endif
139
140# Treat warnings as errors unless directed not to
141ifneq ($(WERROR),0)
142  CFLAGS += -Werror
143  CXXFLAGS += -Werror
144endif
145
146ifndef DEBUG
147  DEBUG := 0
148endif
149
150ifeq ($(DEBUG),0)
151ifeq ($(CC_NO_CLANG), 0)
152  CFLAGS += -O3
153else
154  CFLAGS += -O6
155endif
156endif
157
158ifdef PARSER_DEBUG
159  PARSER_DEBUG_BISON := -t
160  PARSER_DEBUG_FLEX  := -d
161  CFLAGS             += -DPARSER_DEBUG
162  $(call detected_var,PARSER_DEBUG_BISON)
163  $(call detected_var,PARSER_DEBUG_FLEX)
164endif
165
166# Try different combinations to accommodate systems that only have
167# python[2][-config] in weird combinations but always preferring
168# python2 and python2-config as per pep-0394. If we catch a
169# python[-config] in version 3, the version check will kill it.
170PYTHON2 := $(if $(call get-executable,python2),python2,python)
171override PYTHON := $(call get-executable-or-default,PYTHON,$(PYTHON2))
172PYTHON2_CONFIG := \
173  $(if $(call get-executable,$(PYTHON)-config),$(PYTHON)-config,python-config)
174override PYTHON_CONFIG := \
175  $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON2_CONFIG))
176
177grep-libs  = $(filter -l%,$(1))
178strip-libs  = $(filter-out -l%,$(1))
179
180PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
181
182ifdef PYTHON_CONFIG
183  PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
184  PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
185  PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
186  PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
187  ifeq ($(CC_NO_CLANG), 1)
188    PYTHON_EMBED_CCOPTS := $(filter-out -specs=%,$(PYTHON_EMBED_CCOPTS))
189  endif
190  FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
191endif
192
193FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
194FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
195FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
196FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
197
198CFLAGS += -fno-omit-frame-pointer
199CFLAGS += -ggdb3
200CFLAGS += -funwind-tables
201CFLAGS += -Wall
202CFLAGS += -Wextra
203CFLAGS += -std=gnu99
204
205CXXFLAGS += -std=gnu++11 -fno-exceptions -fno-rtti
206CXXFLAGS += -Wall
207CXXFLAGS += -fno-omit-frame-pointer
208CXXFLAGS += -ggdb3
209CXXFLAGS += -funwind-tables
210CXXFLAGS += -Wno-strict-aliasing
211
212# Enforce a non-executable stack, as we may regress (again) in the future by
213# adding assembler files missing the .GNU-stack linker note.
214LDFLAGS += -Wl,-z,noexecstack
215
216EXTLIBS = -lpthread -lrt -lm -ldl
217
218ifeq ($(FEATURES_DUMP),)
219include $(srctree)/tools/build/Makefile.feature
220else
221include $(FEATURES_DUMP)
222endif
223
224ifeq ($(feature-stackprotector-all), 1)
225  CFLAGS += -fstack-protector-all
226endif
227
228ifeq ($(DEBUG),0)
229  ifeq ($(feature-fortify-source), 1)
230    CFLAGS += -D_FORTIFY_SOURCE=2
231  endif
232endif
233
234INC_FLAGS += -I$(src-perf)/util/include
235INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
236INC_FLAGS += -I$(srctree)/tools/include/uapi
237INC_FLAGS += -I$(srctree)/tools/include/
238INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
239INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
240INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
241
242# $(obj-perf)      for generated common-cmds.h
243# $(obj-perf)/util for generated bison/flex headers
244ifneq ($(OUTPUT),)
245INC_FLAGS += -I$(obj-perf)/util
246INC_FLAGS += -I$(obj-perf)
247endif
248
249INC_FLAGS += -I$(src-perf)/util
250INC_FLAGS += -I$(src-perf)
251INC_FLAGS += -I$(srctree)/tools/lib/
252
253CFLAGS   += $(INC_FLAGS)
254CXXFLAGS += $(INC_FLAGS)
255
256CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
257
258ifeq ($(feature-sync-compare-and-swap), 1)
259  CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
260endif
261
262ifeq ($(feature-pthread-attr-setaffinity-np), 1)
263  CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
264endif
265
266ifndef NO_BIONIC
267  $(call feature_check,bionic)
268  ifeq ($(feature-bionic), 1)
269    BIONIC := 1
270    EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
271    EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
272  endif
273endif
274
275ifdef NO_LIBELF
276  NO_DWARF := 1
277  NO_DEMANGLE := 1
278  NO_LIBUNWIND := 1
279  NO_LIBDW_DWARF_UNWIND := 1
280  NO_LIBBPF := 1
281  NO_JVMTI := 1
282else
283  ifeq ($(feature-libelf), 0)
284    ifeq ($(feature-glibc), 1)
285      LIBC_SUPPORT := 1
286    endif
287    ifeq ($(BIONIC),1)
288      LIBC_SUPPORT := 1
289    endif
290    ifeq ($(LIBC_SUPPORT),1)
291      msg := $(warning No libelf found. Disables 'probe' tool, jvmti and BPF support in 'perf record'. Please install libelf-dev, libelf-devel or elfutils-libelf-devel);
292
293      NO_LIBELF := 1
294      NO_DWARF := 1
295      NO_DEMANGLE := 1
296      NO_LIBUNWIND := 1
297      NO_LIBDW_DWARF_UNWIND := 1
298      NO_LIBBPF := 1
299      NO_JVMTI := 1
300    else
301      ifneq ($(filter s% -static%,$(LDFLAGS),),)
302        msg := $(error No static glibc found, please install glibc-static);
303      else
304        msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
305      endif
306    endif
307  else
308    ifndef NO_LIBDW_DWARF_UNWIND
309      ifneq ($(feature-libdw-dwarf-unwind),1)
310        NO_LIBDW_DWARF_UNWIND := 1
311        msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
312      endif
313    endif
314    ifneq ($(feature-dwarf), 1)
315      ifndef NO_DWARF
316        msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
317        NO_DWARF := 1
318      endif
319    else
320      ifneq ($(feature-dwarf_getlocations), 1)
321        msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
322      else
323        CFLAGS += -DHAVE_DWARF_GETLOCATIONS
324      endif # dwarf_getlocations
325    endif # Dwarf support
326  endif # libelf support
327endif # NO_LIBELF
328
329ifdef NO_DWARF
330  NO_LIBDW_DWARF_UNWIND := 1
331endif
332
333ifeq ($(feature-sched_getcpu), 1)
334  CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
335endif
336
337ifeq ($(feature-setns), 1)
338  CFLAGS += -DHAVE_SETNS_SUPPORT
339  $(call detected,CONFIG_SETNS)
340endif
341
342ifndef NO_LIBELF
343  CFLAGS += -DHAVE_LIBELF_SUPPORT
344  EXTLIBS += -lelf
345  $(call detected,CONFIG_LIBELF)
346
347  ifeq ($(feature-libelf-mmap), 1)
348    CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
349  endif
350
351  ifeq ($(feature-libelf-getphdrnum), 1)
352    CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
353  endif
354
355  ifeq ($(feature-libelf-gelf_getnote), 1)
356    CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
357  else
358    msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
359  endif
360
361  ifeq ($(feature-libelf-getshdrstrndx), 1)
362    CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
363  endif
364
365  ifndef NO_DWARF
366    ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
367      msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
368      NO_DWARF := 1
369    else
370      CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
371      LDFLAGS += $(LIBDW_LDFLAGS)
372      EXTLIBS += ${DWARFLIBS}
373      $(call detected,CONFIG_DWARF)
374    endif # PERF_HAVE_DWARF_REGS
375  endif # NO_DWARF
376
377  ifndef NO_LIBBPF
378    ifeq ($(feature-bpf), 1)
379      CFLAGS += -DHAVE_LIBBPF_SUPPORT
380      $(call detected,CONFIG_LIBBPF)
381    endif
382
383    ifndef NO_DWARF
384      ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
385        CFLAGS += -DHAVE_BPF_PROLOGUE
386        $(call detected,CONFIG_BPF_PROLOGUE)
387      else
388        msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset());
389      endif
390    else
391      msg := $(warning DWARF support is off, BPF prologue is disabled);
392    endif
393
394  endif # NO_LIBBPF
395endif # NO_LIBELF
396
397ifndef NO_SDT
398  ifneq ($(feature-sdt), 1)
399    msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
400    NO_SDT := 1;
401  else
402    CFLAGS += -DHAVE_SDT_EVENT
403    $(call detected,CONFIG_SDT_EVENT)
404  endif
405endif
406
407ifdef PERF_HAVE_JITDUMP
408  ifndef NO_LIBELF
409    $(call detected,CONFIG_JITDUMP)
410    CFLAGS += -DHAVE_JITDUMP
411  endif
412endif
413
414ifeq ($(SRCARCH),powerpc)
415  ifndef NO_DWARF
416    CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
417  endif
418endif
419
420ifndef NO_LIBUNWIND
421  have_libunwind :=
422
423  ifeq ($(feature-libunwind-x86), 1)
424    $(call detected,CONFIG_LIBUNWIND_X86)
425    CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
426    LDFLAGS += -lunwind-x86
427    EXTLIBS_LIBUNWIND += -lunwind-x86
428    have_libunwind = 1
429  endif
430
431  ifeq ($(feature-libunwind-aarch64), 1)
432    $(call detected,CONFIG_LIBUNWIND_AARCH64)
433    CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
434    LDFLAGS += -lunwind-aarch64
435    EXTLIBS_LIBUNWIND += -lunwind-aarch64
436    have_libunwind = 1
437    $(call feature_check,libunwind-debug-frame-aarch64)
438    ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
439      msg := $(warning No debug_frame support found in libunwind-aarch64);
440      CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
441    endif
442  endif
443
444  ifneq ($(feature-libunwind), 1)
445    msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
446    NO_LOCAL_LIBUNWIND := 1
447  else
448    have_libunwind := 1
449    $(call detected,CONFIG_LOCAL_LIBUNWIND)
450  endif
451
452  ifneq ($(have_libunwind), 1)
453    NO_LIBUNWIND := 1
454  endif
455else
456  NO_LOCAL_LIBUNWIND := 1
457endif
458
459ifndef NO_LIBBPF
460  ifneq ($(feature-bpf), 1)
461    msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
462    NO_LIBBPF := 1
463  endif
464endif
465
466dwarf-post-unwind := 1
467dwarf-post-unwind-text := BUG
468
469# setup DWARF post unwinder
470ifdef NO_LIBUNWIND
471  ifdef NO_LIBDW_DWARF_UNWIND
472    msg := $(warning Disabling post unwind, no support found.);
473    dwarf-post-unwind := 0
474  else
475    dwarf-post-unwind-text := libdw
476    $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
477  endif
478else
479  dwarf-post-unwind-text := libunwind
480  $(call detected,CONFIG_LIBUNWIND)
481  # Enable libunwind support by default.
482  ifndef NO_LIBDW_DWARF_UNWIND
483    NO_LIBDW_DWARF_UNWIND := 1
484  endif
485endif
486
487ifeq ($(dwarf-post-unwind),1)
488  CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
489  $(call detected,CONFIG_DWARF_UNWIND)
490else
491  NO_DWARF_UNWIND := 1
492endif
493
494ifndef NO_LOCAL_LIBUNWIND
495  ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
496    $(call feature_check,libunwind-debug-frame)
497    ifneq ($(feature-libunwind-debug-frame), 1)
498      msg := $(warning No debug_frame support found in libunwind);
499      CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
500    endif
501  else
502    # non-ARM has no dwarf_find_debug_frame() function:
503    CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
504  endif
505  EXTLIBS += $(LIBUNWIND_LIBS)
506  LDFLAGS += $(LIBUNWIND_LIBS)
507endif
508ifeq ($(findstring -static,${LDFLAGS}),-static)
509  # gcc -static links libgcc_eh which contans piece of libunwind
510  LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
511endif
512
513ifndef NO_LIBUNWIND
514  CFLAGS  += -DHAVE_LIBUNWIND_SUPPORT
515  CFLAGS  += $(LIBUNWIND_CFLAGS)
516  LDFLAGS += $(LIBUNWIND_LDFLAGS)
517  EXTLIBS += $(EXTLIBS_LIBUNWIND)
518endif
519
520ifndef NO_LIBAUDIT
521  ifneq ($(feature-libaudit), 1)
522    msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
523    NO_LIBAUDIT := 1
524  else
525    CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
526    EXTLIBS += -laudit
527    $(call detected,CONFIG_AUDIT)
528  endif
529endif
530
531ifndef NO_LIBCRYPTO
532  ifneq ($(feature-libcrypto), 1)
533    msg := $(warning No libcrypto.h found, disables jitted code injection, please install libssl-devel or libssl-dev);
534    NO_LIBCRYPTO := 1
535  else
536    CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
537    EXTLIBS += -lcrypto
538    $(call detected,CONFIG_CRYPTO)
539  endif
540endif
541
542ifdef NO_NEWT
543  NO_SLANG=1
544endif
545
546ifndef NO_SLANG
547  ifneq ($(feature-libslang), 1)
548    msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
549    NO_SLANG := 1
550  else
551    # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
552    CFLAGS += -I/usr/include/slang
553    CFLAGS += -DHAVE_SLANG_SUPPORT
554    EXTLIBS += -lslang
555    $(call detected,CONFIG_SLANG)
556  endif
557endif
558
559ifndef NO_GTK2
560  FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
561  ifneq ($(feature-gtk2), 1)
562    msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
563    NO_GTK2 := 1
564  else
565    ifeq ($(feature-gtk2-infobar), 1)
566      GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
567    endif
568    CFLAGS += -DHAVE_GTK2_SUPPORT
569    GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
570    GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
571    EXTLIBS += -ldl
572  endif
573endif
574
575
576ifdef NO_LIBPERL
577  CFLAGS += -DNO_LIBPERL
578else
579  PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
580  PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
581  PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
582  PERL_EMBED_CCOPTS = `perl -MExtUtils::Embed -e ccopts 2>/dev/null`
583  FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
584
585  ifneq ($(feature-libperl), 1)
586    CFLAGS += -DNO_LIBPERL
587    NO_LIBPERL := 1
588    msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
589  else
590    LDFLAGS += $(PERL_EMBED_LDFLAGS)
591    EXTLIBS += $(PERL_EMBED_LIBADD)
592    $(call detected,CONFIG_LIBPERL)
593  endif
594endif
595
596ifeq ($(feature-timerfd), 1)
597  CFLAGS += -DHAVE_TIMERFD_SUPPORT
598else
599  msg := $(warning No timerfd support. Disables 'perf kvm stat live');
600endif
601
602disable-python = $(eval $(disable-python_code))
603define disable-python_code
604  CFLAGS += -DNO_LIBPYTHON
605  $(warning $1)
606  NO_LIBPYTHON := 1
607endef
608
609ifdef NO_LIBPYTHON
610  $(call disable-python,Python support disabled by user)
611else
612
613  ifndef PYTHON
614    $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
615  else
616    PYTHON_WORD := $(call shell-wordify,$(PYTHON))
617
618    ifndef PYTHON_CONFIG
619      $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
620    else
621
622      ifneq ($(feature-libpython), 1)
623        $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
624      else
625        ifneq ($(feature-libpython-version), 1)
626          $(warning Python 3 is not yet supported; please set)
627          $(warning PYTHON and/or PYTHON_CONFIG appropriately.)
628          $(warning If you also have Python 2 installed, then)
629          $(warning try something like:)
630          $(warning $(and ,))
631          $(warning $(and ,)  make PYTHON=python2)
632          $(warning $(and ,))
633          $(warning Otherwise, disable Python support entirely:)
634          $(warning $(and ,))
635          $(warning $(and ,)  make NO_LIBPYTHON=1)
636          $(warning $(and ,))
637          $(error   $(and ,))
638        else
639          LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
640          EXTLIBS += $(PYTHON_EMBED_LIBADD)
641          LANG_BINDINGS += $(obj-perf)python/perf.so
642          $(call detected,CONFIG_LIBPYTHON)
643        endif
644      endif
645    endif
646  endif
647endif
648
649ifeq ($(feature-libbfd), 1)
650  EXTLIBS += -lbfd
651
652  # call all detections now so we get correct
653  # status in VF output
654  $(call feature_check,liberty)
655  $(call feature_check,liberty-z)
656  $(call feature_check,cplus-demangle)
657
658  ifeq ($(feature-liberty), 1)
659    EXTLIBS += -liberty
660  else
661    ifeq ($(feature-liberty-z), 1)
662      EXTLIBS += -liberty -lz
663    endif
664  endif
665endif
666
667ifdef NO_DEMANGLE
668  CFLAGS += -DNO_DEMANGLE
669else
670  ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
671    EXTLIBS += -liberty
672    CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
673  else
674    ifneq ($(feature-libbfd), 1)
675      ifneq ($(feature-liberty), 1)
676        ifneq ($(feature-liberty-z), 1)
677          # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
678          # or any of 'bfd iberty z' trinity
679          ifeq ($(feature-cplus-demangle), 1)
680            EXTLIBS += -liberty
681            CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
682          else
683            msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
684            CFLAGS += -DNO_DEMANGLE
685          endif
686        endif
687      endif
688    endif
689  endif
690endif
691
692ifneq ($(filter -lbfd,$(EXTLIBS)),)
693  CFLAGS += -DHAVE_LIBBFD_SUPPORT
694endif
695
696ifndef NO_ZLIB
697  ifeq ($(feature-zlib), 1)
698    CFLAGS += -DHAVE_ZLIB_SUPPORT
699    EXTLIBS += -lz
700    $(call detected,CONFIG_ZLIB)
701  else
702    NO_ZLIB := 1
703  endif
704endif
705
706ifndef NO_LZMA
707  ifeq ($(feature-lzma), 1)
708    CFLAGS += -DHAVE_LZMA_SUPPORT
709    EXTLIBS += -llzma
710    $(call detected,CONFIG_LZMA)
711  else
712    msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
713    NO_LZMA := 1
714  endif
715endif
716
717ifndef NO_BACKTRACE
718  ifeq ($(feature-backtrace), 1)
719    CFLAGS += -DHAVE_BACKTRACE_SUPPORT
720  endif
721endif
722
723ifndef NO_LIBNUMA
724  ifeq ($(feature-libnuma), 0)
725    msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
726    NO_LIBNUMA := 1
727  else
728    ifeq ($(feature-numa_num_possible_cpus), 0)
729      msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
730      NO_LIBNUMA := 1
731    else
732      CFLAGS += -DHAVE_LIBNUMA_SUPPORT
733      EXTLIBS += -lnuma
734      $(call detected,CONFIG_NUMA)
735    endif
736  endif
737endif
738
739ifdef HAVE_KVM_STAT_SUPPORT
740    CFLAGS += -DHAVE_KVM_STAT_SUPPORT
741endif
742
743ifeq (${IS_64_BIT}, 1)
744  ifndef NO_PERF_READ_VDSO32
745    $(call feature_check,compile-32)
746    ifeq ($(feature-compile-32), 1)
747      CFLAGS += -DHAVE_PERF_READ_VDSO32
748    else
749      NO_PERF_READ_VDSO32 := 1
750    endif
751  endif
752  ifneq ($(SRCARCH), x86)
753    NO_PERF_READ_VDSOX32 := 1
754  endif
755  ifndef NO_PERF_READ_VDSOX32
756    $(call feature_check,compile-x32)
757    ifeq ($(feature-compile-x32), 1)
758      CFLAGS += -DHAVE_PERF_READ_VDSOX32
759    else
760      NO_PERF_READ_VDSOX32 := 1
761    endif
762  endif
763else
764  NO_PERF_READ_VDSO32 := 1
765  NO_PERF_READ_VDSOX32 := 1
766endif
767
768ifdef LIBBABELTRACE
769  $(call feature_check,libbabeltrace)
770  ifeq ($(feature-libbabeltrace), 1)
771    CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
772    LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
773    EXTLIBS += -lbabeltrace-ctf
774    $(call detected,CONFIG_LIBBABELTRACE)
775  else
776    msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
777  endif
778endif
779
780ifndef NO_AUXTRACE
781  ifeq ($(SRCARCH),x86)
782    ifeq ($(feature-get_cpuid), 0)
783      msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
784      NO_AUXTRACE := 1
785    endif
786  endif
787  ifndef NO_AUXTRACE
788    $(call detected,CONFIG_AUXTRACE)
789    CFLAGS += -DHAVE_AUXTRACE_SUPPORT
790  endif
791endif
792
793ifndef NO_JVMTI
794  ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
795    JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
796  else
797    ifneq (,$(wildcard /usr/sbin/alternatives))
798      JDIR=$(shell alternatives --display java | tail -1 | cut -d' ' -f 5 | sed 's%/jre/bin/java.%%g')
799    endif
800  endif
801  ifndef JDIR
802    $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
803    NO_JVMTI := 1
804  endif
805endif
806
807ifndef NO_JVMTI
808  FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
809  $(call feature_check,jvmti)
810  ifeq ($(feature-jvmti), 1)
811    $(call detected_var,JDIR)
812  else
813    $(warning No openjdk development package found, please install JDK package)
814    NO_JVMTI := 1
815  endif
816endif
817
818USE_CXX = 0
819USE_CLANGLLVM = 0
820ifdef LIBCLANGLLVM
821  $(call feature_check,cxx)
822  ifneq ($(feature-cxx), 1)
823    msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
824  else
825    $(call feature_check,llvm)
826    $(call feature_check,llvm-version)
827    ifneq ($(feature-llvm), 1)
828      msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
829    else
830      $(call feature_check,clang)
831      ifneq ($(feature-clang), 1)
832        msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
833      else
834        CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
835        CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
836        $(call detected,CONFIG_CXX)
837        $(call detected,CONFIG_CLANGLLVM)
838	USE_CXX = 1
839	USE_LLVM = 1
840	USE_CLANG = 1
841        ifneq ($(feature-llvm-version),1)
842          msg := $(warning This version of LLVM is not tested. May cause build errors)
843        endif
844      endif
845    endif
846  endif
847endif
848
849# Among the variables below, these:
850#   perfexecdir
851#   template_dir
852#   mandir
853#   infodir
854#   htmldir
855#   ETC_PERFCONFIG (but not sysconfdir)
856# can be specified as a relative path some/where/else;
857# this is interpreted as relative to $(prefix) and "perf" at
858# runtime figures out where they are based on the path to the executable.
859# This can help installing the suite in a relocatable way.
860
861# Make the path relative to DESTDIR, not to prefix
862ifndef DESTDIR
863prefix ?= $(HOME)
864endif
865bindir_relative = bin
866bindir = $(abspath $(prefix)/$(bindir_relative))
867mandir = share/man
868infodir = share/info
869perfexecdir = libexec/perf-core
870sharedir = $(prefix)/share
871template_dir = share/perf-core/templates
872STRACE_GROUPS_DIR = share/perf-core/strace/groups
873htmldir = share/doc/perf-doc
874tipdir = share/doc/perf-tip
875srcdir = $(srctree)/tools/perf
876ifeq ($(prefix),/usr)
877sysconfdir = /etc
878ETC_PERFCONFIG = $(sysconfdir)/perfconfig
879else
880sysconfdir = $(prefix)/etc
881ETC_PERFCONFIG = etc/perfconfig
882endif
883ifndef lib
884ifeq ($(SRCARCH)$(IS_64_BIT), x861)
885lib = lib64
886else
887lib = lib
888endif
889endif # lib
890libdir = $(prefix)/$(lib)
891
892# Shell quote (do not use $(call) to accommodate ancient setups);
893ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
894STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
895DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
896bindir_SQ = $(subst ','\'',$(bindir))
897mandir_SQ = $(subst ','\'',$(mandir))
898infodir_SQ = $(subst ','\'',$(infodir))
899perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
900template_dir_SQ = $(subst ','\'',$(template_dir))
901htmldir_SQ = $(subst ','\'',$(htmldir))
902tipdir_SQ = $(subst ','\'',$(tipdir))
903prefix_SQ = $(subst ','\'',$(prefix))
904sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
905libdir_SQ = $(subst ','\'',$(libdir))
906srcdir_SQ = $(subst ','\'',$(srcdir))
907
908ifneq ($(filter /%,$(firstword $(perfexecdir))),)
909perfexec_instdir = $(perfexecdir)
910STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
911tip_instdir = $(tipdir)
912else
913perfexec_instdir = $(prefix)/$(perfexecdir)
914STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
915tip_instdir = $(prefix)/$(tipdir)
916endif
917perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
918STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
919tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
920
921# If we install to $(HOME) we keep the traceevent default:
922# $(HOME)/.traceevent/plugins
923# Otherwise we install plugins into the global $(libdir).
924ifdef DESTDIR
925plugindir=$(libdir)/traceevent/plugins
926plugindir_SQ= $(subst ','\'',$(plugindir))
927endif
928
929print_var = $(eval $(print_var_code)) $(info $(MSG))
930define print_var_code
931    MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
932endef
933
934ifeq ($(VF),1)
935  $(call print_var,prefix)
936  $(call print_var,bindir)
937  $(call print_var,libdir)
938  $(call print_var,sysconfdir)
939  $(call print_var,LIBUNWIND_DIR)
940  $(call print_var,LIBDW_DIR)
941  $(call print_var,JDIR)
942
943  ifeq ($(dwarf-post-unwind),1)
944    $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
945  endif
946  $(info )
947endif
948
949$(call detected_var,bindir_SQ)
950$(call detected_var,PYTHON_WORD)
951ifneq ($(OUTPUT),)
952$(call detected_var,OUTPUT)
953endif
954$(call detected_var,htmldir_SQ)
955$(call detected_var,infodir_SQ)
956$(call detected_var,mandir_SQ)
957$(call detected_var,ETC_PERFCONFIG_SQ)
958$(call detected_var,STRACE_GROUPS_DIR_SQ)
959$(call detected_var,prefix_SQ)
960$(call detected_var,perfexecdir_SQ)
961$(call detected_var,tipdir_SQ)
962$(call detected_var,srcdir_SQ)
963$(call detected_var,LIBDIR)
964$(call detected_var,GTK_CFLAGS)
965$(call detected_var,PERL_EMBED_CCOPTS)
966$(call detected_var,PYTHON_EMBED_CCOPTS)
967