xref: /linux/tools/perf/Makefile.config (revision 1f2367a39f17bd553a75e179a747f9b257bc9478) 
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
25NO_SYSCALL_TABLE := 1
26
27# Additional ARCH settings for ppc
28ifeq ($(SRCARCH),powerpc)
29  NO_PERF_REGS := 0
30  NO_SYSCALL_TABLE := 0
31  CFLAGS += -I$(OUTPUT)arch/powerpc/include/generated
32  LIBUNWIND_LIBS := -lunwind -lunwind-ppc64
33endif
34
35# Additional ARCH settings for x86
36ifeq ($(SRCARCH),x86)
37  $(call detected,CONFIG_X86)
38  ifeq (${IS_64_BIT}, 1)
39    NO_SYSCALL_TABLE := 0
40    CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT -I$(OUTPUT)arch/x86/include/generated
41    ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
42    LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind -llzma
43    $(call detected,CONFIG_X86_64)
44  else
45    LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind
46  endif
47  NO_PERF_REGS := 0
48endif
49
50ifeq ($(SRCARCH),arm)
51  NO_PERF_REGS := 0
52  LIBUNWIND_LIBS = -lunwind -lunwind-arm
53endif
54
55ifeq ($(SRCARCH),arm64)
56  NO_PERF_REGS := 0
57  NO_SYSCALL_TABLE := 0
58  CFLAGS += -I$(OUTPUT)arch/arm64/include/generated
59  LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
60endif
61
62ifeq ($(ARCH),s390)
63  NO_PERF_REGS := 0
64  NO_SYSCALL_TABLE := 0
65  CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated
66endif
67
68ifeq ($(NO_PERF_REGS),0)
69  $(call detected,CONFIG_PERF_REGS)
70endif
71
72ifneq ($(NO_SYSCALL_TABLE),1)
73  CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT
74endif
75
76# So far there's only x86 and arm libdw unwind support merged in perf.
77# Disable it on all other architectures in case libdw unwind
78# support is detected in system. Add supported architectures
79# to the check.
80ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390))
81  NO_LIBDW_DWARF_UNWIND := 1
82endif
83
84ifeq ($(LIBUNWIND_LIBS),)
85  NO_LIBUNWIND := 1
86endif
87#
88# For linking with debug library, run like:
89#
90#   make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
91#
92
93libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
94define libunwind_arch_set_flags_code
95  FEATURE_CHECK_CFLAGS-libunwind-$(1)  = -I$(LIBUNWIND_DIR)/include
96  FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
97endef
98
99ifdef LIBUNWIND_DIR
100  LIBUNWIND_CFLAGS  = -I$(LIBUNWIND_DIR)/include
101  LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
102  LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64
103  $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
104endif
105
106# Set per-feature check compilation flags
107FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
108FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
109FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
110FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
111
112FEATURE_CHECK_LDFLAGS-libunwind-arm = -lunwind -lunwind-arm
113FEATURE_CHECK_LDFLAGS-libunwind-aarch64 = -lunwind -lunwind-aarch64
114FEATURE_CHECK_LDFLAGS-libunwind-x86 = -lunwind -llzma -lunwind-x86
115FEATURE_CHECK_LDFLAGS-libunwind-x86_64 = -lunwind -llzma -lunwind-x86_64
116
117FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto
118
119ifdef CSINCLUDES
120  LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)
121endif
122OPENCSDLIBS := -lopencsd_c_api -lopencsd
123ifdef CSLIBS
124  LIBOPENCSD_LDFLAGS := -L$(CSLIBS)
125endif
126FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS)
127FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS)
128
129ifeq ($(NO_PERF_REGS),0)
130  CFLAGS += -DHAVE_PERF_REGS_SUPPORT
131endif
132
133# for linking with debug library, run like:
134# make DEBUG=1 LIBDW_DIR=/opt/libdw/
135ifdef LIBDW_DIR
136  LIBDW_CFLAGS  := -I$(LIBDW_DIR)/include
137  LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
138endif
139DWARFLIBS := -ldw
140ifeq ($(findstring -static,${LDFLAGS}),-static)
141  DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2
142endif
143FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
144FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS)
145
146# for linking with debug library, run like:
147# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
148ifdef LIBBABELTRACE_DIR
149  LIBBABELTRACE_CFLAGS  := -I$(LIBBABELTRACE_DIR)/include
150  LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
151endif
152FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
153FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
154
155FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi
156# include ARCH specific config
157-include $(src-perf)/arch/$(SRCARCH)/Makefile
158
159ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
160  CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
161endif
162
163include $(srctree)/tools/scripts/utilities.mak
164
165ifeq ($(call get-executable,$(FLEX)),)
166  dummy := $(error Error: $(FLEX) is missing on this system, please install it)
167endif
168
169ifeq ($(call get-executable,$(BISON)),)
170  dummy := $(error Error: $(BISON) is missing on this system, please install it)
171endif
172
173# Treat warnings as errors unless directed not to
174ifneq ($(WERROR),0)
175  CFLAGS += -Werror
176  CXXFLAGS += -Werror
177endif
178
179ifndef DEBUG
180  DEBUG := 0
181endif
182
183ifeq ($(DEBUG),0)
184ifeq ($(CC_NO_CLANG), 0)
185  CFLAGS += -O3
186else
187  CFLAGS += -O6
188endif
189endif
190
191ifdef PARSER_DEBUG
192  PARSER_DEBUG_BISON := -t
193  PARSER_DEBUG_FLEX  := -d
194  CFLAGS             += -DPARSER_DEBUG
195  $(call detected_var,PARSER_DEBUG_BISON)
196  $(call detected_var,PARSER_DEBUG_FLEX)
197endif
198
199# Try different combinations to accommodate systems that only have
200# python[2][-config] in weird combinations but always preferring
201# python2 and python2-config as per pep-0394. If we catch a
202# python[-config] in version 3, the version check will kill it.
203PYTHON2 := $(if $(call get-executable,python2),python2,python)
204override PYTHON := $(call get-executable-or-default,PYTHON,$(PYTHON2))
205PYTHON2_CONFIG := \
206  $(if $(call get-executable,$(PYTHON)-config),$(PYTHON)-config,python-config)
207override PYTHON_CONFIG := \
208  $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON2_CONFIG))
209
210grep-libs  = $(filter -l%,$(1))
211strip-libs  = $(filter-out -l%,$(1))
212
213PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
214
215ifdef PYTHON_CONFIG
216  PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
217  PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
218  PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
219  PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null)
220  FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
221endif
222
223FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
224FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
225FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
226FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
227
228FEATURE_CHECK_LDFLAGS-libaio = -lrt
229
230CFLAGS += -fno-omit-frame-pointer
231CFLAGS += -ggdb3
232CFLAGS += -funwind-tables
233CFLAGS += -Wall
234CFLAGS += -Wextra
235CFLAGS += -std=gnu99
236
237CXXFLAGS += -std=gnu++11 -fno-exceptions -fno-rtti
238CXXFLAGS += -Wall
239CXXFLAGS += -fno-omit-frame-pointer
240CXXFLAGS += -ggdb3
241CXXFLAGS += -funwind-tables
242CXXFLAGS += -Wno-strict-aliasing
243
244# Enforce a non-executable stack, as we may regress (again) in the future by
245# adding assembler files missing the .GNU-stack linker note.
246LDFLAGS += -Wl,-z,noexecstack
247
248EXTLIBS = -lpthread -lrt -lm -ldl
249
250ifeq ($(FEATURES_DUMP),)
251include $(srctree)/tools/build/Makefile.feature
252else
253include $(FEATURES_DUMP)
254endif
255
256ifeq ($(feature-stackprotector-all), 1)
257  CFLAGS += -fstack-protector-all
258endif
259
260ifeq ($(DEBUG),0)
261  ifeq ($(feature-fortify-source), 1)
262    CFLAGS += -D_FORTIFY_SOURCE=2
263  endif
264endif
265
266INC_FLAGS += -I$(src-perf)/util/include
267INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
268INC_FLAGS += -I$(srctree)/tools/include/uapi
269INC_FLAGS += -I$(srctree)/tools/include/
270INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
271INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
272INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
273
274# $(obj-perf)      for generated common-cmds.h
275# $(obj-perf)/util for generated bison/flex headers
276ifneq ($(OUTPUT),)
277INC_FLAGS += -I$(obj-perf)/util
278INC_FLAGS += -I$(obj-perf)
279endif
280
281INC_FLAGS += -I$(src-perf)/util
282INC_FLAGS += -I$(src-perf)
283INC_FLAGS += -I$(srctree)/tools/lib/
284
285CFLAGS   += $(INC_FLAGS)
286CXXFLAGS += $(INC_FLAGS)
287
288CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
289
290ifeq ($(feature-sync-compare-and-swap), 1)
291  CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
292endif
293
294ifeq ($(feature-pthread-attr-setaffinity-np), 1)
295  CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
296endif
297
298ifeq ($(feature-pthread-barrier), 1)
299  CFLAGS += -DHAVE_PTHREAD_BARRIER
300endif
301
302ifndef NO_BIONIC
303  $(call feature_check,bionic)
304  ifeq ($(feature-bionic), 1)
305    BIONIC := 1
306    CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE
307    CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE
308    EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
309    EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
310  endif
311endif
312
313ifeq ($(feature-eventfd), 1)
314  CFLAGS += -DHAVE_EVENTFD
315endif
316
317ifeq ($(feature-get_current_dir_name), 1)
318  CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME
319endif
320
321ifdef NO_LIBELF
322  NO_DWARF := 1
323  NO_DEMANGLE := 1
324  NO_LIBUNWIND := 1
325  NO_LIBDW_DWARF_UNWIND := 1
326  NO_LIBBPF := 1
327  NO_JVMTI := 1
328else
329  ifeq ($(feature-libelf), 0)
330    ifeq ($(feature-glibc), 1)
331      LIBC_SUPPORT := 1
332    endif
333    ifeq ($(BIONIC),1)
334      LIBC_SUPPORT := 1
335    endif
336    ifeq ($(LIBC_SUPPORT),1)
337      msg := $(warning No libelf found. Disables 'probe' tool, jvmti and BPF support in 'perf record'. Please install libelf-dev, libelf-devel or elfutils-libelf-devel);
338
339      NO_LIBELF := 1
340      NO_DWARF := 1
341      NO_DEMANGLE := 1
342      NO_LIBUNWIND := 1
343      NO_LIBDW_DWARF_UNWIND := 1
344      NO_LIBBPF := 1
345      NO_JVMTI := 1
346    else
347      ifneq ($(filter s% -static%,$(LDFLAGS),),)
348        msg := $(error No static glibc found, please install glibc-static);
349      else
350        msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
351      endif
352    endif
353  else
354    ifndef NO_LIBDW_DWARF_UNWIND
355      ifneq ($(feature-libdw-dwarf-unwind),1)
356        NO_LIBDW_DWARF_UNWIND := 1
357        msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
358      endif
359    endif
360    ifneq ($(feature-dwarf), 1)
361      ifndef NO_DWARF
362        msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
363        NO_DWARF := 1
364      endif
365    else
366      ifneq ($(feature-dwarf_getlocations), 1)
367        msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
368      else
369        CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT
370      endif # dwarf_getlocations
371    endif # Dwarf support
372  endif # libelf support
373endif # NO_LIBELF
374
375ifeq ($(feature-glibc), 1)
376  CFLAGS += -DHAVE_GLIBC_SUPPORT
377endif
378
379ifeq ($(feature-libaio), 1)
380  ifndef NO_AIO
381    CFLAGS += -DHAVE_AIO_SUPPORT
382  endif
383endif
384
385ifdef NO_DWARF
386  NO_LIBDW_DWARF_UNWIND := 1
387endif
388
389ifeq ($(feature-sched_getcpu), 1)
390  CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
391endif
392
393ifeq ($(feature-setns), 1)
394  CFLAGS += -DHAVE_SETNS_SUPPORT
395  $(call detected,CONFIG_SETNS)
396endif
397
398ifdef CORESIGHT
399  $(call feature_check,libopencsd)
400  ifeq ($(feature-libopencsd), 1)
401    CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
402    LDFLAGS += $(LIBOPENCSD_LDFLAGS)
403    EXTLIBS += $(OPENCSDLIBS)
404    $(call detected,CONFIG_LIBOPENCSD)
405    ifdef CSTRACE_RAW
406      CFLAGS += -DCS_DEBUG_RAW
407      ifeq (${CSTRACE_RAW}, packed)
408        CFLAGS += -DCS_RAW_PACKED
409      endif
410    endif
411  endif
412endif
413
414ifndef NO_LIBELF
415  CFLAGS += -DHAVE_LIBELF_SUPPORT
416  EXTLIBS += -lelf
417  $(call detected,CONFIG_LIBELF)
418
419  ifeq ($(feature-libelf-mmap), 1)
420    CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
421  endif
422
423  ifeq ($(feature-libelf-getphdrnum), 1)
424    CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
425  endif
426
427  ifeq ($(feature-libelf-gelf_getnote), 1)
428    CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
429  else
430    msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
431  endif
432
433  ifeq ($(feature-libelf-getshdrstrndx), 1)
434    CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
435  endif
436
437  ifndef NO_DWARF
438    ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
439      msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
440      NO_DWARF := 1
441    else
442      CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
443      LDFLAGS += $(LIBDW_LDFLAGS)
444      EXTLIBS += ${DWARFLIBS}
445      $(call detected,CONFIG_DWARF)
446    endif # PERF_HAVE_DWARF_REGS
447  endif # NO_DWARF
448
449  ifndef NO_LIBBPF
450    ifeq ($(feature-bpf), 1)
451      CFLAGS += -DHAVE_LIBBPF_SUPPORT
452      $(call detected,CONFIG_LIBBPF)
453    endif
454
455    ifndef NO_DWARF
456      ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
457        CFLAGS += -DHAVE_BPF_PROLOGUE
458        $(call detected,CONFIG_BPF_PROLOGUE)
459      else
460        msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset());
461      endif
462    else
463      msg := $(warning DWARF support is off, BPF prologue is disabled);
464    endif
465
466  endif # NO_LIBBPF
467endif # NO_LIBELF
468
469ifndef NO_SDT
470  ifneq ($(feature-sdt), 1)
471    msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
472    NO_SDT := 1;
473  else
474    CFLAGS += -DHAVE_SDT_EVENT
475    $(call detected,CONFIG_SDT_EVENT)
476  endif
477endif
478
479ifdef PERF_HAVE_JITDUMP
480  ifndef NO_LIBELF
481    $(call detected,CONFIG_JITDUMP)
482    CFLAGS += -DHAVE_JITDUMP
483  endif
484endif
485
486ifeq ($(SRCARCH),powerpc)
487  ifndef NO_DWARF
488    CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
489  endif
490endif
491
492ifndef NO_LIBUNWIND
493  have_libunwind :=
494
495  $(call feature_check,libunwind-x86)
496  ifeq ($(feature-libunwind-x86), 1)
497    $(call detected,CONFIG_LIBUNWIND_X86)
498    CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
499    LDFLAGS += -lunwind-x86
500    EXTLIBS_LIBUNWIND += -lunwind-x86
501    have_libunwind = 1
502  endif
503
504  $(call feature_check,libunwind-aarch64)
505  ifeq ($(feature-libunwind-aarch64), 1)
506    $(call detected,CONFIG_LIBUNWIND_AARCH64)
507    CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
508    LDFLAGS += -lunwind-aarch64
509    EXTLIBS_LIBUNWIND += -lunwind-aarch64
510    have_libunwind = 1
511    $(call feature_check,libunwind-debug-frame-aarch64)
512    ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
513      msg := $(warning No debug_frame support found in libunwind-aarch64);
514      CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
515    endif
516  endif
517
518  ifneq ($(feature-libunwind), 1)
519    msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
520    NO_LOCAL_LIBUNWIND := 1
521  else
522    have_libunwind := 1
523    $(call detected,CONFIG_LOCAL_LIBUNWIND)
524  endif
525
526  ifneq ($(have_libunwind), 1)
527    NO_LIBUNWIND := 1
528  endif
529else
530  NO_LOCAL_LIBUNWIND := 1
531endif
532
533ifndef NO_LIBBPF
534  ifneq ($(feature-bpf), 1)
535    msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
536    NO_LIBBPF := 1
537  endif
538endif
539
540dwarf-post-unwind := 1
541dwarf-post-unwind-text := BUG
542
543# setup DWARF post unwinder
544ifdef NO_LIBUNWIND
545  ifdef NO_LIBDW_DWARF_UNWIND
546    msg := $(warning Disabling post unwind, no support found.);
547    dwarf-post-unwind := 0
548  else
549    dwarf-post-unwind-text := libdw
550    $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
551  endif
552else
553  dwarf-post-unwind-text := libunwind
554  $(call detected,CONFIG_LIBUNWIND)
555  # Enable libunwind support by default.
556  ifndef NO_LIBDW_DWARF_UNWIND
557    NO_LIBDW_DWARF_UNWIND := 1
558  endif
559endif
560
561ifeq ($(dwarf-post-unwind),1)
562  CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
563  $(call detected,CONFIG_DWARF_UNWIND)
564else
565  NO_DWARF_UNWIND := 1
566endif
567
568ifndef NO_LOCAL_LIBUNWIND
569  ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
570    $(call feature_check,libunwind-debug-frame)
571    ifneq ($(feature-libunwind-debug-frame), 1)
572      msg := $(warning No debug_frame support found in libunwind);
573      CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
574    endif
575  else
576    # non-ARM has no dwarf_find_debug_frame() function:
577    CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
578  endif
579  EXTLIBS += $(LIBUNWIND_LIBS)
580  LDFLAGS += $(LIBUNWIND_LIBS)
581endif
582ifeq ($(findstring -static,${LDFLAGS}),-static)
583  # gcc -static links libgcc_eh which contans piece of libunwind
584  LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
585endif
586
587ifndef NO_LIBUNWIND
588  CFLAGS  += -DHAVE_LIBUNWIND_SUPPORT
589  CFLAGS  += $(LIBUNWIND_CFLAGS)
590  LDFLAGS += $(LIBUNWIND_LDFLAGS)
591  EXTLIBS += $(EXTLIBS_LIBUNWIND)
592endif
593
594ifeq ($(NO_SYSCALL_TABLE),0)
595  $(call detected,CONFIG_TRACE)
596else
597  ifndef NO_LIBAUDIT
598    ifneq ($(feature-libaudit), 1)
599      msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
600      NO_LIBAUDIT := 1
601    else
602      CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
603      EXTLIBS += -laudit
604      $(call detected,CONFIG_TRACE)
605    endif
606  endif
607endif
608
609ifndef NO_LIBCRYPTO
610  ifneq ($(feature-libcrypto), 1)
611    msg := $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev);
612    NO_LIBCRYPTO := 1
613  else
614    CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
615    EXTLIBS += -lcrypto
616    $(call detected,CONFIG_CRYPTO)
617  endif
618endif
619
620ifdef NO_NEWT
621  NO_SLANG=1
622endif
623
624ifndef NO_SLANG
625  ifneq ($(feature-libslang), 1)
626    msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
627    NO_SLANG := 1
628  else
629    # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
630    CFLAGS += -I/usr/include/slang
631    CFLAGS += -DHAVE_SLANG_SUPPORT
632    EXTLIBS += -lslang
633    $(call detected,CONFIG_SLANG)
634  endif
635endif
636
637ifndef NO_GTK2
638  FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
639  ifneq ($(feature-gtk2), 1)
640    msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
641    NO_GTK2 := 1
642  else
643    ifeq ($(feature-gtk2-infobar), 1)
644      GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
645    endif
646    CFLAGS += -DHAVE_GTK2_SUPPORT
647    GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
648    GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
649    EXTLIBS += -ldl
650  endif
651endif
652
653ifdef NO_LIBPERL
654  CFLAGS += -DNO_LIBPERL
655else
656  PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
657  PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
658  PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
659  PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
660  PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
661  PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
662  FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
663
664  ifneq ($(feature-libperl), 1)
665    CFLAGS += -DNO_LIBPERL
666    NO_LIBPERL := 1
667    msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
668  else
669    LDFLAGS += $(PERL_EMBED_LDFLAGS)
670    EXTLIBS += $(PERL_EMBED_LIBADD)
671    CFLAGS += -DHAVE_LIBPERL_SUPPORT
672    $(call detected,CONFIG_LIBPERL)
673  endif
674endif
675
676ifeq ($(feature-timerfd), 1)
677  CFLAGS += -DHAVE_TIMERFD_SUPPORT
678else
679  msg := $(warning No timerfd support. Disables 'perf kvm stat live');
680endif
681
682disable-python = $(eval $(disable-python_code))
683define disable-python_code
684  CFLAGS += -DNO_LIBPYTHON
685  $(warning $1)
686  NO_LIBPYTHON := 1
687endef
688
689ifdef NO_LIBPYTHON
690  $(call disable-python,Python support disabled by user)
691else
692
693  ifndef PYTHON
694    $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
695  else
696    PYTHON_WORD := $(call shell-wordify,$(PYTHON))
697
698    ifndef PYTHON_CONFIG
699      $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
700    else
701
702      ifneq ($(feature-libpython), 1)
703        $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
704      else
705         LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
706         EXTLIBS += $(PYTHON_EMBED_LIBADD)
707         LANG_BINDINGS += $(obj-perf)python/perf.so
708         CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
709         $(call detected,CONFIG_LIBPYTHON)
710      endif
711    endif
712  endif
713endif
714
715ifeq ($(feature-libbfd), 1)
716  EXTLIBS += -lbfd
717else
718  # we are on a system that requires -liberty and (maybe) -lz
719  # to link against -lbfd; test each case individually here
720
721  # call all detections now so we get correct
722  # status in VF output
723  $(call feature_check,libbfd-liberty)
724  $(call feature_check,libbfd-liberty-z)
725
726  ifeq ($(feature-libbfd-liberty), 1)
727    EXTLIBS += -lbfd -liberty
728  else
729    ifeq ($(feature-libbfd-liberty-z), 1)
730      EXTLIBS += -lbfd -liberty -lz
731    endif
732  endif
733endif
734
735ifdef NO_DEMANGLE
736  CFLAGS += -DNO_DEMANGLE
737else
738  ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
739    EXTLIBS += -liberty
740  else
741    ifeq ($(filter -liberty,$(EXTLIBS)),)
742      $(call feature_check,cplus-demangle)
743
744      # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
745      # or any of 'bfd iberty z' trinity
746      ifeq ($(feature-cplus-demangle), 1)
747        EXTLIBS += -liberty
748      else
749        msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
750        CFLAGS += -DNO_DEMANGLE
751      endif
752    endif
753  endif
754
755  ifneq ($(filter -liberty,$(EXTLIBS)),)
756    CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
757  endif
758endif
759
760ifneq ($(filter -lbfd,$(EXTLIBS)),)
761  CFLAGS += -DHAVE_LIBBFD_SUPPORT
762endif
763
764ifndef NO_ZLIB
765  ifeq ($(feature-zlib), 1)
766    CFLAGS += -DHAVE_ZLIB_SUPPORT
767    EXTLIBS += -lz
768    $(call detected,CONFIG_ZLIB)
769  else
770    NO_ZLIB := 1
771  endif
772endif
773
774ifndef NO_LZMA
775  ifeq ($(feature-lzma), 1)
776    CFLAGS += -DHAVE_LZMA_SUPPORT
777    EXTLIBS += -llzma
778    $(call detected,CONFIG_LZMA)
779  else
780    msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
781    NO_LZMA := 1
782  endif
783endif
784
785ifndef NO_BACKTRACE
786  ifeq ($(feature-backtrace), 1)
787    CFLAGS += -DHAVE_BACKTRACE_SUPPORT
788  endif
789endif
790
791ifndef NO_LIBNUMA
792  ifeq ($(feature-libnuma), 0)
793    msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
794    NO_LIBNUMA := 1
795  else
796    ifeq ($(feature-numa_num_possible_cpus), 0)
797      msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
798      NO_LIBNUMA := 1
799    else
800      CFLAGS += -DHAVE_LIBNUMA_SUPPORT
801      EXTLIBS += -lnuma
802      $(call detected,CONFIG_NUMA)
803    endif
804  endif
805endif
806
807ifdef HAVE_KVM_STAT_SUPPORT
808    CFLAGS += -DHAVE_KVM_STAT_SUPPORT
809endif
810
811ifeq (${IS_64_BIT}, 1)
812  ifndef NO_PERF_READ_VDSO32
813    $(call feature_check,compile-32)
814    ifeq ($(feature-compile-32), 1)
815      CFLAGS += -DHAVE_PERF_READ_VDSO32
816    else
817      NO_PERF_READ_VDSO32 := 1
818    endif
819  endif
820  ifneq ($(SRCARCH), x86)
821    NO_PERF_READ_VDSOX32 := 1
822  endif
823  ifndef NO_PERF_READ_VDSOX32
824    $(call feature_check,compile-x32)
825    ifeq ($(feature-compile-x32), 1)
826      CFLAGS += -DHAVE_PERF_READ_VDSOX32
827    else
828      NO_PERF_READ_VDSOX32 := 1
829    endif
830  endif
831else
832  NO_PERF_READ_VDSO32 := 1
833  NO_PERF_READ_VDSOX32 := 1
834endif
835
836ifndef NO_LIBBABELTRACE
837  $(call feature_check,libbabeltrace)
838  ifeq ($(feature-libbabeltrace), 1)
839    CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
840    LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
841    EXTLIBS += -lbabeltrace-ctf
842    $(call detected,CONFIG_LIBBABELTRACE)
843  else
844    msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
845  endif
846endif
847
848ifndef NO_AUXTRACE
849  ifeq ($(SRCARCH),x86)
850    ifeq ($(feature-get_cpuid), 0)
851      msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
852      NO_AUXTRACE := 1
853    endif
854  endif
855  ifndef NO_AUXTRACE
856    $(call detected,CONFIG_AUXTRACE)
857    CFLAGS += -DHAVE_AUXTRACE_SUPPORT
858  endif
859endif
860
861ifndef NO_JVMTI
862  ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
863    JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
864  else
865    ifneq (,$(wildcard /usr/sbin/alternatives))
866      JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed 's%/jre/bin/java.%%g')
867    endif
868  endif
869  ifndef JDIR
870    $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
871    NO_JVMTI := 1
872  endif
873endif
874
875ifndef NO_JVMTI
876  FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
877  $(call feature_check,jvmti)
878  ifeq ($(feature-jvmti), 1)
879    $(call detected_var,JDIR)
880    ifndef NO_JVMTI_CMLR
881      FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti)
882      $(call feature_check,jvmti-cmlr)
883      ifeq ($(feature-jvmti-cmlr), 1)
884        CFLAGS += -DHAVE_JVMTI_CMLR
885      endif
886    endif # NO_JVMTI_CMLR
887  else
888    $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel)
889    NO_JVMTI := 1
890  endif
891endif
892
893USE_CXX = 0
894USE_CLANGLLVM = 0
895ifdef LIBCLANGLLVM
896  $(call feature_check,cxx)
897  ifneq ($(feature-cxx), 1)
898    msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
899  else
900    $(call feature_check,llvm)
901    $(call feature_check,llvm-version)
902    ifneq ($(feature-llvm), 1)
903      msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
904    else
905      $(call feature_check,clang)
906      ifneq ($(feature-clang), 1)
907        msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
908      else
909        CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
910        CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
911        $(call detected,CONFIG_CXX)
912        $(call detected,CONFIG_CLANGLLVM)
913	USE_CXX = 1
914	USE_LLVM = 1
915	USE_CLANG = 1
916        ifneq ($(feature-llvm-version),1)
917          msg := $(warning This version of LLVM is not tested. May cause build errors)
918        endif
919      endif
920    endif
921  endif
922endif
923
924# Among the variables below, these:
925#   perfexecdir
926#   perf_include_dir
927#   perf_examples_dir
928#   template_dir
929#   mandir
930#   infodir
931#   htmldir
932#   ETC_PERFCONFIG (but not sysconfdir)
933# can be specified as a relative path some/where/else;
934# this is interpreted as relative to $(prefix) and "perf" at
935# runtime figures out where they are based on the path to the executable.
936# This can help installing the suite in a relocatable way.
937
938# Make the path relative to DESTDIR, not to prefix
939ifndef DESTDIR
940prefix ?= $(HOME)
941endif
942bindir_relative = bin
943bindir = $(abspath $(prefix)/$(bindir_relative))
944mandir = share/man
945infodir = share/info
946perfexecdir = libexec/perf-core
947perf_include_dir = lib/perf/include
948perf_examples_dir = lib/perf/examples
949sharedir = $(prefix)/share
950template_dir = share/perf-core/templates
951STRACE_GROUPS_DIR = share/perf-core/strace/groups
952htmldir = share/doc/perf-doc
953tipdir = share/doc/perf-tip
954srcdir = $(srctree)/tools/perf
955ifeq ($(prefix),/usr)
956sysconfdir = /etc
957ETC_PERFCONFIG = $(sysconfdir)/perfconfig
958else
959sysconfdir = $(prefix)/etc
960ETC_PERFCONFIG = etc/perfconfig
961endif
962ifndef lib
963ifeq ($(SRCARCH)$(IS_64_BIT), x861)
964lib = lib64
965else
966lib = lib
967endif
968endif # lib
969libdir = $(prefix)/$(lib)
970
971# Shell quote (do not use $(call) to accommodate ancient setups);
972ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
973STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
974DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
975bindir_SQ = $(subst ','\'',$(bindir))
976mandir_SQ = $(subst ','\'',$(mandir))
977infodir_SQ = $(subst ','\'',$(infodir))
978perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
979perf_include_dir_SQ = $(subst ','\'',$(perf_include_dir))
980perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir))
981template_dir_SQ = $(subst ','\'',$(template_dir))
982htmldir_SQ = $(subst ','\'',$(htmldir))
983tipdir_SQ = $(subst ','\'',$(tipdir))
984prefix_SQ = $(subst ','\'',$(prefix))
985sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
986libdir_SQ = $(subst ','\'',$(libdir))
987srcdir_SQ = $(subst ','\'',$(srcdir))
988
989ifneq ($(filter /%,$(firstword $(perfexecdir))),)
990perfexec_instdir = $(perfexecdir)
991perf_include_instdir = $(perf_include_dir)
992perf_examples_instdir = $(perf_examples_dir)
993STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
994tip_instdir = $(tipdir)
995else
996perfexec_instdir = $(prefix)/$(perfexecdir)
997perf_include_instdir = $(prefix)/$(perf_include_dir)
998perf_examples_instdir = $(prefix)/$(perf_examples_dir)
999STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
1000tip_instdir = $(prefix)/$(tipdir)
1001endif
1002perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
1003perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir))
1004perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir))
1005STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
1006tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
1007
1008# If we install to $(HOME) we keep the traceevent default:
1009# $(HOME)/.traceevent/plugins
1010# Otherwise we install plugins into the global $(libdir).
1011ifdef DESTDIR
1012plugindir=$(libdir)/traceevent/plugins
1013plugindir_SQ= $(subst ','\'',$(plugindir))
1014endif
1015
1016print_var = $(eval $(print_var_code)) $(info $(MSG))
1017define print_var_code
1018    MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
1019endef
1020
1021ifeq ($(VF),1)
1022  # Display EXTRA features which are detected manualy
1023  # from here with feature_check call and thus cannot
1024  # be partof global state output.
1025  $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),))
1026  $(call print_var,prefix)
1027  $(call print_var,bindir)
1028  $(call print_var,libdir)
1029  $(call print_var,sysconfdir)
1030  $(call print_var,LIBUNWIND_DIR)
1031  $(call print_var,LIBDW_DIR)
1032  $(call print_var,JDIR)
1033
1034  ifeq ($(dwarf-post-unwind),1)
1035    $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
1036  endif
1037  $(info )
1038endif
1039
1040$(call detected_var,bindir_SQ)
1041$(call detected_var,PYTHON_WORD)
1042ifneq ($(OUTPUT),)
1043$(call detected_var,OUTPUT)
1044endif
1045$(call detected_var,htmldir_SQ)
1046$(call detected_var,infodir_SQ)
1047$(call detected_var,mandir_SQ)
1048$(call detected_var,ETC_PERFCONFIG_SQ)
1049$(call detected_var,STRACE_GROUPS_DIR_SQ)
1050$(call detected_var,prefix_SQ)
1051$(call detected_var,perfexecdir_SQ)
1052$(call detected_var,perf_include_dir_SQ)
1053$(call detected_var,perf_examples_dir_SQ)
1054$(call detected_var,tipdir_SQ)
1055$(call detected_var,srcdir_SQ)
1056$(call detected_var,LIBDIR)
1057$(call detected_var,GTK_CFLAGS)
1058$(call detected_var,PERL_EMBED_CCOPTS)
1059$(call detected_var,PYTHON_EMBED_CCOPTS)
1060