xref: /openbmc/linux/tools/perf/Makefile.config (revision c127f98ba9aba1818a6ca3a1da5a24653a10d966)
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 ($(SRCARCH),arm64)
52  NO_PERF_REGS := 0
53  LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
54endif
55
56ifeq ($(ARCH),s390)
57  NO_PERF_REGS := 0
58endif
59
60ifeq ($(NO_PERF_REGS),0)
61  $(call detected,CONFIG_PERF_REGS)
62endif
63
64# So far there's only x86 and arm libdw unwind support merged in perf.
65# Disable it on all other architectures in case libdw unwind
66# support is detected in system. Add supported architectures
67# to the check.
68ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm powerpc s390))
69  NO_LIBDW_DWARF_UNWIND := 1
70endif
71
72ifeq ($(LIBUNWIND_LIBS),)
73  NO_LIBUNWIND := 1
74endif
75#
76# For linking with debug library, run like:
77#
78#   make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
79#
80
81libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
82define libunwind_arch_set_flags_code
83  FEATURE_CHECK_CFLAGS-libunwind-$(1)  = -I$(LIBUNWIND_DIR)/include
84  FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
85endef
86
87ifdef LIBUNWIND_DIR
88  LIBUNWIND_CFLAGS  = -I$(LIBUNWIND_DIR)/include
89  LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
90  LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64
91  $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
92endif
93
94# Set per-feature check compilation flags
95FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
96FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
97FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
98FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
99
100ifeq ($(NO_PERF_REGS),0)
101  CFLAGS += -DHAVE_PERF_REGS_SUPPORT
102endif
103
104# for linking with debug library, run like:
105# make DEBUG=1 LIBDW_DIR=/opt/libdw/
106ifdef LIBDW_DIR
107  LIBDW_CFLAGS  := -I$(LIBDW_DIR)/include
108  LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
109endif
110DWARFLIBS := -ldw
111ifeq ($(findstring -static,${LDFLAGS}),-static)
112  DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2
113endif
114FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
115FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS)
116
117# for linking with debug library, run like:
118# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
119ifdef LIBBABELTRACE_DIR
120  LIBBABELTRACE_CFLAGS  := -I$(LIBBABELTRACE_DIR)/include
121  LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
122endif
123FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
124FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
125
126FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi
127# include ARCH specific config
128-include $(src-perf)/arch/$(SRCARCH)/Makefile
129
130ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
131  CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
132endif
133
134include $(srctree)/tools/scripts/utilities.mak
135
136ifeq ($(call get-executable,$(FLEX)),)
137  dummy := $(error Error: $(FLEX) is missing on this system, please install it)
138endif
139
140ifeq ($(call get-executable,$(BISON)),)
141  dummy := $(error Error: $(BISON) is missing on this system, please install it)
142endif
143
144# Treat warnings as errors unless directed not to
145ifneq ($(WERROR),0)
146  CFLAGS += -Werror
147  CXXFLAGS += -Werror
148endif
149
150ifndef DEBUG
151  DEBUG := 0
152endif
153
154ifeq ($(DEBUG),0)
155ifeq ($(CC_NO_CLANG), 0)
156  CFLAGS += -O3
157else
158  CFLAGS += -O6
159endif
160endif
161
162ifdef PARSER_DEBUG
163  PARSER_DEBUG_BISON := -t
164  PARSER_DEBUG_FLEX  := -d
165  CFLAGS             += -DPARSER_DEBUG
166  $(call detected_var,PARSER_DEBUG_BISON)
167  $(call detected_var,PARSER_DEBUG_FLEX)
168endif
169
170# Try different combinations to accommodate systems that only have
171# python[2][-config] in weird combinations but always preferring
172# python2 and python2-config as per pep-0394. If we catch a
173# python[-config] in version 3, the version check will kill it.
174PYTHON2 := $(if $(call get-executable,python2),python2,python)
175override PYTHON := $(call get-executable-or-default,PYTHON,$(PYTHON2))
176PYTHON2_CONFIG := \
177  $(if $(call get-executable,$(PYTHON)-config),$(PYTHON)-config,python-config)
178override PYTHON_CONFIG := \
179  $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON2_CONFIG))
180
181grep-libs  = $(filter -l%,$(1))
182strip-libs  = $(filter-out -l%,$(1))
183
184PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
185
186ifdef PYTHON_CONFIG
187  PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
188  PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
189  PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
190  PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
191  PYTHON_EMBED_CCOPTS := $(filter-out -specs=%,$(PYTHON_EMBED_CCOPTS))
192  FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
193endif
194
195FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
196FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
197FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
198FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
199
200CFLAGS += -fno-omit-frame-pointer
201CFLAGS += -ggdb3
202CFLAGS += -funwind-tables
203CFLAGS += -Wall
204CFLAGS += -Wextra
205CFLAGS += -std=gnu99
206
207CXXFLAGS += -std=gnu++11 -fno-exceptions -fno-rtti
208CXXFLAGS += -Wall
209CXXFLAGS += -fno-omit-frame-pointer
210CXXFLAGS += -ggdb3
211CXXFLAGS += -funwind-tables
212CXXFLAGS += -Wno-strict-aliasing
213
214# Enforce a non-executable stack, as we may regress (again) in the future by
215# adding assembler files missing the .GNU-stack linker note.
216LDFLAGS += -Wl,-z,noexecstack
217
218EXTLIBS = -lpthread -lrt -lm -ldl
219
220ifeq ($(FEATURES_DUMP),)
221include $(srctree)/tools/build/Makefile.feature
222else
223include $(FEATURES_DUMP)
224endif
225
226ifeq ($(feature-stackprotector-all), 1)
227  CFLAGS += -fstack-protector-all
228endif
229
230ifeq ($(DEBUG),0)
231  ifeq ($(feature-fortify-source), 1)
232    CFLAGS += -D_FORTIFY_SOURCE=2
233  endif
234endif
235
236INC_FLAGS += -I$(src-perf)/util/include
237INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
238INC_FLAGS += -I$(srctree)/tools/include/uapi
239INC_FLAGS += -I$(srctree)/tools/include/
240INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
241INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
242INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
243
244# $(obj-perf)      for generated common-cmds.h
245# $(obj-perf)/util for generated bison/flex headers
246ifneq ($(OUTPUT),)
247INC_FLAGS += -I$(obj-perf)/util
248INC_FLAGS += -I$(obj-perf)
249endif
250
251INC_FLAGS += -I$(src-perf)/util
252INC_FLAGS += -I$(src-perf)
253INC_FLAGS += -I$(srctree)/tools/lib/
254
255CFLAGS   += $(INC_FLAGS)
256CXXFLAGS += $(INC_FLAGS)
257
258CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
259
260ifeq ($(feature-sync-compare-and-swap), 1)
261  CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
262endif
263
264ifeq ($(feature-pthread-attr-setaffinity-np), 1)
265  CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
266endif
267
268ifndef NO_BIONIC
269  $(call feature_check,bionic)
270  ifeq ($(feature-bionic), 1)
271    BIONIC := 1
272    EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
273    EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
274  endif
275endif
276
277ifdef NO_LIBELF
278  NO_DWARF := 1
279  NO_DEMANGLE := 1
280  NO_LIBUNWIND := 1
281  NO_LIBDW_DWARF_UNWIND := 1
282  NO_LIBBPF := 1
283  NO_JVMTI := 1
284else
285  ifeq ($(feature-libelf), 0)
286    ifeq ($(feature-glibc), 1)
287      LIBC_SUPPORT := 1
288    endif
289    ifeq ($(BIONIC),1)
290      LIBC_SUPPORT := 1
291    endif
292    ifeq ($(LIBC_SUPPORT),1)
293      msg := $(warning No libelf found. Disables 'probe' tool, jvmti and BPF support in 'perf record'. Please install libelf-dev, libelf-devel or elfutils-libelf-devel);
294
295      NO_LIBELF := 1
296      NO_DWARF := 1
297      NO_DEMANGLE := 1
298      NO_LIBUNWIND := 1
299      NO_LIBDW_DWARF_UNWIND := 1
300      NO_LIBBPF := 1
301      NO_JVMTI := 1
302    else
303      ifneq ($(filter s% -static%,$(LDFLAGS),),)
304        msg := $(error No static glibc found, please install glibc-static);
305      else
306        msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
307      endif
308    endif
309  else
310    ifndef NO_LIBDW_DWARF_UNWIND
311      ifneq ($(feature-libdw-dwarf-unwind),1)
312        NO_LIBDW_DWARF_UNWIND := 1
313        msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
314      endif
315    endif
316    ifneq ($(feature-dwarf), 1)
317      ifndef NO_DWARF
318        msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
319        NO_DWARF := 1
320      endif
321    else
322      ifneq ($(feature-dwarf_getlocations), 1)
323        msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
324      else
325        CFLAGS += -DHAVE_DWARF_GETLOCATIONS
326      endif # dwarf_getlocations
327    endif # Dwarf support
328  endif # libelf support
329endif # NO_LIBELF
330
331ifdef NO_DWARF
332  NO_LIBDW_DWARF_UNWIND := 1
333endif
334
335ifeq ($(feature-sched_getcpu), 1)
336  CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
337endif
338
339ifeq ($(feature-setns), 1)
340  CFLAGS += -DHAVE_SETNS_SUPPORT
341  $(call detected,CONFIG_SETNS)
342endif
343
344ifndef NO_LIBELF
345  CFLAGS += -DHAVE_LIBELF_SUPPORT
346  EXTLIBS += -lelf
347  $(call detected,CONFIG_LIBELF)
348
349  ifeq ($(feature-libelf-mmap), 1)
350    CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
351  endif
352
353  ifeq ($(feature-libelf-getphdrnum), 1)
354    CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
355  endif
356
357  ifeq ($(feature-libelf-gelf_getnote), 1)
358    CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
359  else
360    msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
361  endif
362
363  ifeq ($(feature-libelf-getshdrstrndx), 1)
364    CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
365  endif
366
367  ifndef NO_DWARF
368    ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
369      msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
370      NO_DWARF := 1
371    else
372      CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
373      LDFLAGS += $(LIBDW_LDFLAGS)
374      EXTLIBS += ${DWARFLIBS}
375      $(call detected,CONFIG_DWARF)
376    endif # PERF_HAVE_DWARF_REGS
377  endif # NO_DWARF
378
379  ifndef NO_LIBBPF
380    ifeq ($(feature-bpf), 1)
381      CFLAGS += -DHAVE_LIBBPF_SUPPORT
382      $(call detected,CONFIG_LIBBPF)
383    endif
384
385    ifndef NO_DWARF
386      ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
387        CFLAGS += -DHAVE_BPF_PROLOGUE
388        $(call detected,CONFIG_BPF_PROLOGUE)
389      else
390        msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset());
391      endif
392    else
393      msg := $(warning DWARF support is off, BPF prologue is disabled);
394    endif
395
396  endif # NO_LIBBPF
397endif # NO_LIBELF
398
399ifndef NO_SDT
400  ifneq ($(feature-sdt), 1)
401    msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
402    NO_SDT := 1;
403  else
404    CFLAGS += -DHAVE_SDT_EVENT
405    $(call detected,CONFIG_SDT_EVENT)
406  endif
407endif
408
409ifdef PERF_HAVE_JITDUMP
410  ifndef NO_LIBELF
411    $(call detected,CONFIG_JITDUMP)
412    CFLAGS += -DHAVE_JITDUMP
413  endif
414endif
415
416ifeq ($(SRCARCH),powerpc)
417  ifndef NO_DWARF
418    CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
419  endif
420endif
421
422ifndef NO_LIBUNWIND
423  have_libunwind :=
424
425  ifeq ($(feature-libunwind-x86), 1)
426    $(call detected,CONFIG_LIBUNWIND_X86)
427    CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
428    LDFLAGS += -lunwind-x86
429    EXTLIBS_LIBUNWIND += -lunwind-x86
430    have_libunwind = 1
431  endif
432
433  ifeq ($(feature-libunwind-aarch64), 1)
434    $(call detected,CONFIG_LIBUNWIND_AARCH64)
435    CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
436    LDFLAGS += -lunwind-aarch64
437    EXTLIBS_LIBUNWIND += -lunwind-aarch64
438    have_libunwind = 1
439    $(call feature_check,libunwind-debug-frame-aarch64)
440    ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
441      msg := $(warning No debug_frame support found in libunwind-aarch64);
442      CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
443    endif
444  endif
445
446  ifneq ($(feature-libunwind), 1)
447    msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
448    NO_LOCAL_LIBUNWIND := 1
449  else
450    have_libunwind := 1
451    $(call detected,CONFIG_LOCAL_LIBUNWIND)
452  endif
453
454  ifneq ($(have_libunwind), 1)
455    NO_LIBUNWIND := 1
456  endif
457else
458  NO_LOCAL_LIBUNWIND := 1
459endif
460
461ifndef NO_LIBBPF
462  ifneq ($(feature-bpf), 1)
463    msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
464    NO_LIBBPF := 1
465  endif
466endif
467
468dwarf-post-unwind := 1
469dwarf-post-unwind-text := BUG
470
471# setup DWARF post unwinder
472ifdef NO_LIBUNWIND
473  ifdef NO_LIBDW_DWARF_UNWIND
474    msg := $(warning Disabling post unwind, no support found.);
475    dwarf-post-unwind := 0
476  else
477    dwarf-post-unwind-text := libdw
478    $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
479  endif
480else
481  dwarf-post-unwind-text := libunwind
482  $(call detected,CONFIG_LIBUNWIND)
483  # Enable libunwind support by default.
484  ifndef NO_LIBDW_DWARF_UNWIND
485    NO_LIBDW_DWARF_UNWIND := 1
486  endif
487endif
488
489ifeq ($(dwarf-post-unwind),1)
490  CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
491  $(call detected,CONFIG_DWARF_UNWIND)
492else
493  NO_DWARF_UNWIND := 1
494endif
495
496ifndef NO_LOCAL_LIBUNWIND
497  ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
498    $(call feature_check,libunwind-debug-frame)
499    ifneq ($(feature-libunwind-debug-frame), 1)
500      msg := $(warning No debug_frame support found in libunwind);
501      CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
502    endif
503  else
504    # non-ARM has no dwarf_find_debug_frame() function:
505    CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
506  endif
507  EXTLIBS += $(LIBUNWIND_LIBS)
508  LDFLAGS += $(LIBUNWIND_LIBS)
509endif
510ifeq ($(findstring -static,${LDFLAGS}),-static)
511  # gcc -static links libgcc_eh which contans piece of libunwind
512  LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
513endif
514
515ifndef NO_LIBUNWIND
516  CFLAGS  += -DHAVE_LIBUNWIND_SUPPORT
517  CFLAGS  += $(LIBUNWIND_CFLAGS)
518  LDFLAGS += $(LIBUNWIND_LDFLAGS)
519  EXTLIBS += $(EXTLIBS_LIBUNWIND)
520endif
521
522ifndef NO_LIBAUDIT
523  ifneq ($(feature-libaudit), 1)
524    msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
525    NO_LIBAUDIT := 1
526  else
527    CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
528    EXTLIBS += -laudit
529    $(call detected,CONFIG_AUDIT)
530  endif
531endif
532
533ifndef NO_LIBCRYPTO
534  ifneq ($(feature-libcrypto), 1)
535    msg := $(warning No libcrypto.h found, disables jitted code injection, please install libssl-devel or libssl-dev);
536    NO_LIBCRYPTO := 1
537  else
538    CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
539    EXTLIBS += -lcrypto
540    $(call detected,CONFIG_CRYPTO)
541  endif
542endif
543
544ifdef NO_NEWT
545  NO_SLANG=1
546endif
547
548ifndef NO_SLANG
549  ifneq ($(feature-libslang), 1)
550    msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
551    NO_SLANG := 1
552  else
553    # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
554    CFLAGS += -I/usr/include/slang
555    CFLAGS += -DHAVE_SLANG_SUPPORT
556    EXTLIBS += -lslang
557    $(call detected,CONFIG_SLANG)
558  endif
559endif
560
561ifndef NO_GTK2
562  FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
563  ifneq ($(feature-gtk2), 1)
564    msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
565    NO_GTK2 := 1
566  else
567    ifeq ($(feature-gtk2-infobar), 1)
568      GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
569    endif
570    CFLAGS += -DHAVE_GTK2_SUPPORT
571    GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
572    GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
573    EXTLIBS += -ldl
574  endif
575endif
576
577ifdef NO_LIBPERL
578  CFLAGS += -DNO_LIBPERL
579else
580  PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
581  PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
582  PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
583  PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
584  PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
585  PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
586  FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
587
588  ifneq ($(feature-libperl), 1)
589    CFLAGS += -DNO_LIBPERL
590    NO_LIBPERL := 1
591    msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
592  else
593    LDFLAGS += $(PERL_EMBED_LDFLAGS)
594    EXTLIBS += $(PERL_EMBED_LIBADD)
595    $(call detected,CONFIG_LIBPERL)
596  endif
597endif
598
599ifeq ($(feature-timerfd), 1)
600  CFLAGS += -DHAVE_TIMERFD_SUPPORT
601else
602  msg := $(warning No timerfd support. Disables 'perf kvm stat live');
603endif
604
605disable-python = $(eval $(disable-python_code))
606define disable-python_code
607  CFLAGS += -DNO_LIBPYTHON
608  $(warning $1)
609  NO_LIBPYTHON := 1
610endef
611
612ifdef NO_LIBPYTHON
613  $(call disable-python,Python support disabled by user)
614else
615
616  ifndef PYTHON
617    $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
618  else
619    PYTHON_WORD := $(call shell-wordify,$(PYTHON))
620
621    ifndef PYTHON_CONFIG
622      $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
623    else
624
625      ifneq ($(feature-libpython), 1)
626        $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
627      else
628        ifneq ($(feature-libpython-version), 1)
629          $(warning Python 3 is not yet supported; please set)
630          $(warning PYTHON and/or PYTHON_CONFIG appropriately.)
631          $(warning If you also have Python 2 installed, then)
632          $(warning try something like:)
633          $(warning $(and ,))
634          $(warning $(and ,)  make PYTHON=python2)
635          $(warning $(and ,))
636          $(warning Otherwise, disable Python support entirely:)
637          $(warning $(and ,))
638          $(warning $(and ,)  make NO_LIBPYTHON=1)
639          $(warning $(and ,))
640          $(error   $(and ,))
641        else
642          LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
643          EXTLIBS += $(PYTHON_EMBED_LIBADD)
644          LANG_BINDINGS += $(obj-perf)python/perf.so
645          $(call detected,CONFIG_LIBPYTHON)
646        endif
647      endif
648    endif
649  endif
650endif
651
652ifeq ($(feature-libbfd), 1)
653  EXTLIBS += -lbfd
654
655  # call all detections now so we get correct
656  # status in VF output
657  $(call feature_check,liberty)
658  $(call feature_check,liberty-z)
659  $(call feature_check,cplus-demangle)
660
661  ifeq ($(feature-liberty), 1)
662    EXTLIBS += -liberty
663  else
664    ifeq ($(feature-liberty-z), 1)
665      EXTLIBS += -liberty -lz
666    endif
667  endif
668endif
669
670ifdef NO_DEMANGLE
671  CFLAGS += -DNO_DEMANGLE
672else
673  ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
674    EXTLIBS += -liberty
675    CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
676  else
677    ifneq ($(feature-libbfd), 1)
678      ifneq ($(feature-liberty), 1)
679        ifneq ($(feature-liberty-z), 1)
680          # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
681          # or any of 'bfd iberty z' trinity
682          ifeq ($(feature-cplus-demangle), 1)
683            EXTLIBS += -liberty
684            CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
685          else
686            msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
687            CFLAGS += -DNO_DEMANGLE
688          endif
689        endif
690      endif
691    endif
692  endif
693endif
694
695ifneq ($(filter -lbfd,$(EXTLIBS)),)
696  CFLAGS += -DHAVE_LIBBFD_SUPPORT
697endif
698
699ifndef NO_ZLIB
700  ifeq ($(feature-zlib), 1)
701    CFLAGS += -DHAVE_ZLIB_SUPPORT
702    EXTLIBS += -lz
703    $(call detected,CONFIG_ZLIB)
704  else
705    NO_ZLIB := 1
706  endif
707endif
708
709ifndef NO_LZMA
710  ifeq ($(feature-lzma), 1)
711    CFLAGS += -DHAVE_LZMA_SUPPORT
712    EXTLIBS += -llzma
713    $(call detected,CONFIG_LZMA)
714  else
715    msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
716    NO_LZMA := 1
717  endif
718endif
719
720ifndef NO_BACKTRACE
721  ifeq ($(feature-backtrace), 1)
722    CFLAGS += -DHAVE_BACKTRACE_SUPPORT
723  endif
724endif
725
726ifndef NO_LIBNUMA
727  ifeq ($(feature-libnuma), 0)
728    msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
729    NO_LIBNUMA := 1
730  else
731    ifeq ($(feature-numa_num_possible_cpus), 0)
732      msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
733      NO_LIBNUMA := 1
734    else
735      CFLAGS += -DHAVE_LIBNUMA_SUPPORT
736      EXTLIBS += -lnuma
737      $(call detected,CONFIG_NUMA)
738    endif
739  endif
740endif
741
742ifdef HAVE_KVM_STAT_SUPPORT
743    CFLAGS += -DHAVE_KVM_STAT_SUPPORT
744endif
745
746ifeq (${IS_64_BIT}, 1)
747  ifndef NO_PERF_READ_VDSO32
748    $(call feature_check,compile-32)
749    ifeq ($(feature-compile-32), 1)
750      CFLAGS += -DHAVE_PERF_READ_VDSO32
751    else
752      NO_PERF_READ_VDSO32 := 1
753    endif
754  endif
755  ifneq ($(SRCARCH), x86)
756    NO_PERF_READ_VDSOX32 := 1
757  endif
758  ifndef NO_PERF_READ_VDSOX32
759    $(call feature_check,compile-x32)
760    ifeq ($(feature-compile-x32), 1)
761      CFLAGS += -DHAVE_PERF_READ_VDSOX32
762    else
763      NO_PERF_READ_VDSOX32 := 1
764    endif
765  endif
766else
767  NO_PERF_READ_VDSO32 := 1
768  NO_PERF_READ_VDSOX32 := 1
769endif
770
771ifdef LIBBABELTRACE
772  $(call feature_check,libbabeltrace)
773  ifeq ($(feature-libbabeltrace), 1)
774    CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
775    LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
776    EXTLIBS += -lbabeltrace-ctf
777    $(call detected,CONFIG_LIBBABELTRACE)
778  else
779    msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
780  endif
781endif
782
783ifndef NO_AUXTRACE
784  ifeq ($(SRCARCH),x86)
785    ifeq ($(feature-get_cpuid), 0)
786      msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
787      NO_AUXTRACE := 1
788    endif
789  endif
790  ifndef NO_AUXTRACE
791    $(call detected,CONFIG_AUXTRACE)
792    CFLAGS += -DHAVE_AUXTRACE_SUPPORT
793  endif
794endif
795
796ifndef NO_JVMTI
797  ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
798    JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
799  else
800    ifneq (,$(wildcard /usr/sbin/alternatives))
801      JDIR=$(shell alternatives --display java | tail -1 | cut -d' ' -f 5 | sed 's%/jre/bin/java.%%g')
802    endif
803  endif
804  ifndef JDIR
805    $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
806    NO_JVMTI := 1
807  endif
808endif
809
810ifndef NO_JVMTI
811  FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
812  $(call feature_check,jvmti)
813  ifeq ($(feature-jvmti), 1)
814    $(call detected_var,JDIR)
815  else
816    $(warning No openjdk development package found, please install JDK package)
817    NO_JVMTI := 1
818  endif
819endif
820
821USE_CXX = 0
822USE_CLANGLLVM = 0
823ifdef LIBCLANGLLVM
824  $(call feature_check,cxx)
825  ifneq ($(feature-cxx), 1)
826    msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
827  else
828    $(call feature_check,llvm)
829    $(call feature_check,llvm-version)
830    ifneq ($(feature-llvm), 1)
831      msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
832    else
833      $(call feature_check,clang)
834      ifneq ($(feature-clang), 1)
835        msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
836      else
837        CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
838        CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
839        $(call detected,CONFIG_CXX)
840        $(call detected,CONFIG_CLANGLLVM)
841	USE_CXX = 1
842	USE_LLVM = 1
843	USE_CLANG = 1
844        ifneq ($(feature-llvm-version),1)
845          msg := $(warning This version of LLVM is not tested. May cause build errors)
846        endif
847      endif
848    endif
849  endif
850endif
851
852# Among the variables below, these:
853#   perfexecdir
854#   template_dir
855#   mandir
856#   infodir
857#   htmldir
858#   ETC_PERFCONFIG (but not sysconfdir)
859# can be specified as a relative path some/where/else;
860# this is interpreted as relative to $(prefix) and "perf" at
861# runtime figures out where they are based on the path to the executable.
862# This can help installing the suite in a relocatable way.
863
864# Make the path relative to DESTDIR, not to prefix
865ifndef DESTDIR
866prefix ?= $(HOME)
867endif
868bindir_relative = bin
869bindir = $(abspath $(prefix)/$(bindir_relative))
870mandir = share/man
871infodir = share/info
872perfexecdir = libexec/perf-core
873sharedir = $(prefix)/share
874template_dir = share/perf-core/templates
875STRACE_GROUPS_DIR = share/perf-core/strace/groups
876htmldir = share/doc/perf-doc
877tipdir = share/doc/perf-tip
878srcdir = $(srctree)/tools/perf
879ifeq ($(prefix),/usr)
880sysconfdir = /etc
881ETC_PERFCONFIG = $(sysconfdir)/perfconfig
882else
883sysconfdir = $(prefix)/etc
884ETC_PERFCONFIG = etc/perfconfig
885endif
886ifndef lib
887ifeq ($(SRCARCH)$(IS_64_BIT), x861)
888lib = lib64
889else
890lib = lib
891endif
892endif # lib
893libdir = $(prefix)/$(lib)
894
895# Shell quote (do not use $(call) to accommodate ancient setups);
896ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
897STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
898DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
899bindir_SQ = $(subst ','\'',$(bindir))
900mandir_SQ = $(subst ','\'',$(mandir))
901infodir_SQ = $(subst ','\'',$(infodir))
902perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
903template_dir_SQ = $(subst ','\'',$(template_dir))
904htmldir_SQ = $(subst ','\'',$(htmldir))
905tipdir_SQ = $(subst ','\'',$(tipdir))
906prefix_SQ = $(subst ','\'',$(prefix))
907sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
908libdir_SQ = $(subst ','\'',$(libdir))
909srcdir_SQ = $(subst ','\'',$(srcdir))
910
911ifneq ($(filter /%,$(firstword $(perfexecdir))),)
912perfexec_instdir = $(perfexecdir)
913STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
914tip_instdir = $(tipdir)
915else
916perfexec_instdir = $(prefix)/$(perfexecdir)
917STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
918tip_instdir = $(prefix)/$(tipdir)
919endif
920perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
921STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
922tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
923
924# If we install to $(HOME) we keep the traceevent default:
925# $(HOME)/.traceevent/plugins
926# Otherwise we install plugins into the global $(libdir).
927ifdef DESTDIR
928plugindir=$(libdir)/traceevent/plugins
929plugindir_SQ= $(subst ','\'',$(plugindir))
930endif
931
932print_var = $(eval $(print_var_code)) $(info $(MSG))
933define print_var_code
934    MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
935endef
936
937ifeq ($(VF),1)
938  $(call print_var,prefix)
939  $(call print_var,bindir)
940  $(call print_var,libdir)
941  $(call print_var,sysconfdir)
942  $(call print_var,LIBUNWIND_DIR)
943  $(call print_var,LIBDW_DIR)
944  $(call print_var,JDIR)
945
946  ifeq ($(dwarf-post-unwind),1)
947    $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
948  endif
949  $(info )
950endif
951
952$(call detected_var,bindir_SQ)
953$(call detected_var,PYTHON_WORD)
954ifneq ($(OUTPUT),)
955$(call detected_var,OUTPUT)
956endif
957$(call detected_var,htmldir_SQ)
958$(call detected_var,infodir_SQ)
959$(call detected_var,mandir_SQ)
960$(call detected_var,ETC_PERFCONFIG_SQ)
961$(call detected_var,STRACE_GROUPS_DIR_SQ)
962$(call detected_var,prefix_SQ)
963$(call detected_var,perfexecdir_SQ)
964$(call detected_var,tipdir_SQ)
965$(call detected_var,srcdir_SQ)
966$(call detected_var,LIBDIR)
967$(call detected_var,GTK_CFLAGS)
968$(call detected_var,PERL_EMBED_CCOPTS)
969$(call detected_var,PYTHON_EMBED_CCOPTS)
970