xref: /linux/tools/perf/Makefile.config (revision 975ef7ff81bb000af6e6c8e63e81f89f3468dcf7) 
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 ($(SRCARCH),arm64)
56  NO_PERF_REGS := 0
57  LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
58endif
59
60ifeq ($(ARCH),s390)
61  NO_PERF_REGS := 0
62  NO_SYSCALL_TABLE := 0
63  CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated
64endif
65
66ifeq ($(NO_PERF_REGS),0)
67  $(call detected,CONFIG_PERF_REGS)
68endif
69
70ifneq ($(NO_SYSCALL_TABLE),1)
71  CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT
72endif
73
74# So far there's only x86 and arm libdw unwind support merged in perf.
75# Disable it on all other architectures in case libdw unwind
76# support is detected in system. Add supported architectures
77# to the check.
78ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390))
79  NO_LIBDW_DWARF_UNWIND := 1
80endif
81
82ifeq ($(LIBUNWIND_LIBS),)
83  NO_LIBUNWIND := 1
84endif
85#
86# For linking with debug library, run like:
87#
88#   make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
89#
90
91libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
92define libunwind_arch_set_flags_code
93  FEATURE_CHECK_CFLAGS-libunwind-$(1)  = -I$(LIBUNWIND_DIR)/include
94  FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
95endef
96
97ifdef LIBUNWIND_DIR
98  LIBUNWIND_CFLAGS  = -I$(LIBUNWIND_DIR)/include
99  LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
100  LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64
101  $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
102endif
103
104# Set per-feature check compilation flags
105FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
106FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
107FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
108FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
109
110ifdef CSINCLUDES
111  LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)
112endif
113OPENCSDLIBS := -lopencsd_c_api -lopencsd
114ifdef CSLIBS
115  LIBOPENCSD_LDFLAGS := -L$(CSLIBS)
116endif
117FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS)
118FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS)
119
120ifeq ($(NO_PERF_REGS),0)
121  CFLAGS += -DHAVE_PERF_REGS_SUPPORT
122endif
123
124# for linking with debug library, run like:
125# make DEBUG=1 LIBDW_DIR=/opt/libdw/
126ifdef LIBDW_DIR
127  LIBDW_CFLAGS  := -I$(LIBDW_DIR)/include
128  LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
129endif
130DWARFLIBS := -ldw
131ifeq ($(findstring -static,${LDFLAGS}),-static)
132  DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2
133endif
134FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
135FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS)
136
137# for linking with debug library, run like:
138# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
139ifdef LIBBABELTRACE_DIR
140  LIBBABELTRACE_CFLAGS  := -I$(LIBBABELTRACE_DIR)/include
141  LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
142endif
143FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
144FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
145
146FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi
147# include ARCH specific config
148-include $(src-perf)/arch/$(SRCARCH)/Makefile
149
150ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
151  CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
152endif
153
154include $(srctree)/tools/scripts/utilities.mak
155
156ifeq ($(call get-executable,$(FLEX)),)
157  dummy := $(error Error: $(FLEX) is missing on this system, please install it)
158endif
159
160ifeq ($(call get-executable,$(BISON)),)
161  dummy := $(error Error: $(BISON) is missing on this system, please install it)
162endif
163
164# Treat warnings as errors unless directed not to
165ifneq ($(WERROR),0)
166  CFLAGS += -Werror
167  CXXFLAGS += -Werror
168endif
169
170ifndef DEBUG
171  DEBUG := 0
172endif
173
174ifeq ($(DEBUG),0)
175ifeq ($(CC_NO_CLANG), 0)
176  CFLAGS += -O3
177else
178  CFLAGS += -O6
179endif
180endif
181
182ifdef PARSER_DEBUG
183  PARSER_DEBUG_BISON := -t
184  PARSER_DEBUG_FLEX  := -d
185  CFLAGS             += -DPARSER_DEBUG
186  $(call detected_var,PARSER_DEBUG_BISON)
187  $(call detected_var,PARSER_DEBUG_FLEX)
188endif
189
190# Try different combinations to accommodate systems that only have
191# python[2][-config] in weird combinations but always preferring
192# python2 and python2-config as per pep-0394. If we catch a
193# python[-config] in version 3, the version check will kill it.
194PYTHON2 := $(if $(call get-executable,python2),python2,python)
195override PYTHON := $(call get-executable-or-default,PYTHON,$(PYTHON2))
196PYTHON2_CONFIG := \
197  $(if $(call get-executable,$(PYTHON)-config),$(PYTHON)-config,python-config)
198override PYTHON_CONFIG := \
199  $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON2_CONFIG))
200
201grep-libs  = $(filter -l%,$(1))
202strip-libs  = $(filter-out -l%,$(1))
203
204PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
205
206ifdef PYTHON_CONFIG
207  PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
208  PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
209  PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
210  PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null)
211  FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
212endif
213
214FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
215FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
216FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
217FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
218
219CFLAGS += -fno-omit-frame-pointer
220CFLAGS += -ggdb3
221CFLAGS += -funwind-tables
222CFLAGS += -Wall
223CFLAGS += -Wextra
224CFLAGS += -std=gnu99
225
226CXXFLAGS += -std=gnu++11 -fno-exceptions -fno-rtti
227CXXFLAGS += -Wall
228CXXFLAGS += -fno-omit-frame-pointer
229CXXFLAGS += -ggdb3
230CXXFLAGS += -funwind-tables
231CXXFLAGS += -Wno-strict-aliasing
232
233# Enforce a non-executable stack, as we may regress (again) in the future by
234# adding assembler files missing the .GNU-stack linker note.
235LDFLAGS += -Wl,-z,noexecstack
236
237EXTLIBS = -lpthread -lrt -lm -ldl
238
239ifeq ($(FEATURES_DUMP),)
240include $(srctree)/tools/build/Makefile.feature
241else
242include $(FEATURES_DUMP)
243endif
244
245ifeq ($(feature-stackprotector-all), 1)
246  CFLAGS += -fstack-protector-all
247endif
248
249ifeq ($(DEBUG),0)
250  ifeq ($(feature-fortify-source), 1)
251    CFLAGS += -D_FORTIFY_SOURCE=2
252  endif
253endif
254
255INC_FLAGS += -I$(src-perf)/util/include
256INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
257INC_FLAGS += -I$(srctree)/tools/include/uapi
258INC_FLAGS += -I$(srctree)/tools/include/
259INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
260INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
261INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
262
263# $(obj-perf)      for generated common-cmds.h
264# $(obj-perf)/util for generated bison/flex headers
265ifneq ($(OUTPUT),)
266INC_FLAGS += -I$(obj-perf)/util
267INC_FLAGS += -I$(obj-perf)
268endif
269
270INC_FLAGS += -I$(src-perf)/util
271INC_FLAGS += -I$(src-perf)
272INC_FLAGS += -I$(srctree)/tools/lib/
273
274CFLAGS   += $(INC_FLAGS)
275CXXFLAGS += $(INC_FLAGS)
276
277CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
278
279ifeq ($(feature-sync-compare-and-swap), 1)
280  CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
281endif
282
283ifeq ($(feature-pthread-attr-setaffinity-np), 1)
284  CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
285endif
286
287ifeq ($(feature-pthread-barrier), 1)
288  CFLAGS += -DHAVE_PTHREAD_BARRIER
289endif
290
291ifndef NO_BIONIC
292  $(call feature_check,bionic)
293  ifeq ($(feature-bionic), 1)
294    BIONIC := 1
295    EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
296    EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
297  endif
298endif
299
300ifdef NO_LIBELF
301  NO_DWARF := 1
302  NO_DEMANGLE := 1
303  NO_LIBUNWIND := 1
304  NO_LIBDW_DWARF_UNWIND := 1
305  NO_LIBBPF := 1
306  NO_JVMTI := 1
307else
308  ifeq ($(feature-libelf), 0)
309    ifeq ($(feature-glibc), 1)
310      LIBC_SUPPORT := 1
311    endif
312    ifeq ($(BIONIC),1)
313      LIBC_SUPPORT := 1
314    endif
315    ifeq ($(LIBC_SUPPORT),1)
316      msg := $(warning No libelf found. Disables 'probe' tool, jvmti and BPF support in 'perf record'. Please install libelf-dev, libelf-devel or elfutils-libelf-devel);
317
318      NO_LIBELF := 1
319      NO_DWARF := 1
320      NO_DEMANGLE := 1
321      NO_LIBUNWIND := 1
322      NO_LIBDW_DWARF_UNWIND := 1
323      NO_LIBBPF := 1
324      NO_JVMTI := 1
325    else
326      ifneq ($(filter s% -static%,$(LDFLAGS),),)
327        msg := $(error No static glibc found, please install glibc-static);
328      else
329        msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
330      endif
331    endif
332  else
333    ifndef NO_LIBDW_DWARF_UNWIND
334      ifneq ($(feature-libdw-dwarf-unwind),1)
335        NO_LIBDW_DWARF_UNWIND := 1
336        msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
337      endif
338    endif
339    ifneq ($(feature-dwarf), 1)
340      ifndef NO_DWARF
341        msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
342        NO_DWARF := 1
343      endif
344    else
345      ifneq ($(feature-dwarf_getlocations), 1)
346        msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
347      else
348        CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT
349      endif # dwarf_getlocations
350    endif # Dwarf support
351  endif # libelf support
352endif # NO_LIBELF
353
354ifeq ($(feature-glibc), 1)
355  CFLAGS += -DHAVE_GLIBC_SUPPORT
356endif
357
358ifdef NO_DWARF
359  NO_LIBDW_DWARF_UNWIND := 1
360endif
361
362ifeq ($(feature-sched_getcpu), 1)
363  CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
364endif
365
366ifeq ($(feature-setns), 1)
367  CFLAGS += -DHAVE_SETNS_SUPPORT
368  $(call detected,CONFIG_SETNS)
369endif
370
371ifndef NO_CORESIGHT
372  ifeq ($(feature-libopencsd), 1)
373    CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
374    LDFLAGS += $(LIBOPENCSD_LDFLAGS)
375    EXTLIBS += $(OPENCSDLIBS)
376    $(call detected,CONFIG_LIBOPENCSD)
377    ifdef CSTRACE_RAW
378      CFLAGS += -DCS_DEBUG_RAW
379      ifeq (${CSTRACE_RAW}, packed)
380        CFLAGS += -DCS_RAW_PACKED
381      endif
382    endif
383  endif
384endif
385
386ifndef NO_LIBELF
387  CFLAGS += -DHAVE_LIBELF_SUPPORT
388  EXTLIBS += -lelf
389  $(call detected,CONFIG_LIBELF)
390
391  ifeq ($(feature-libelf-mmap), 1)
392    CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
393  endif
394
395  ifeq ($(feature-libelf-getphdrnum), 1)
396    CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
397  endif
398
399  ifeq ($(feature-libelf-gelf_getnote), 1)
400    CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
401  else
402    msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
403  endif
404
405  ifeq ($(feature-libelf-getshdrstrndx), 1)
406    CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
407  endif
408
409  ifndef NO_DWARF
410    ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
411      msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
412      NO_DWARF := 1
413    else
414      CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
415      LDFLAGS += $(LIBDW_LDFLAGS)
416      EXTLIBS += ${DWARFLIBS}
417      $(call detected,CONFIG_DWARF)
418    endif # PERF_HAVE_DWARF_REGS
419  endif # NO_DWARF
420
421  ifndef NO_LIBBPF
422    ifeq ($(feature-bpf), 1)
423      CFLAGS += -DHAVE_LIBBPF_SUPPORT
424      $(call detected,CONFIG_LIBBPF)
425    endif
426
427    ifndef NO_DWARF
428      ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
429        CFLAGS += -DHAVE_BPF_PROLOGUE
430        $(call detected,CONFIG_BPF_PROLOGUE)
431      else
432        msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset());
433      endif
434    else
435      msg := $(warning DWARF support is off, BPF prologue is disabled);
436    endif
437
438  endif # NO_LIBBPF
439endif # NO_LIBELF
440
441ifndef NO_SDT
442  ifneq ($(feature-sdt), 1)
443    msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
444    NO_SDT := 1;
445  else
446    CFLAGS += -DHAVE_SDT_EVENT
447    $(call detected,CONFIG_SDT_EVENT)
448  endif
449endif
450
451ifdef PERF_HAVE_JITDUMP
452  ifndef NO_LIBELF
453    $(call detected,CONFIG_JITDUMP)
454    CFLAGS += -DHAVE_JITDUMP
455  endif
456endif
457
458ifeq ($(SRCARCH),powerpc)
459  ifndef NO_DWARF
460    CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
461  endif
462endif
463
464ifndef NO_LIBUNWIND
465  have_libunwind :=
466
467  ifeq ($(feature-libunwind-x86), 1)
468    $(call detected,CONFIG_LIBUNWIND_X86)
469    CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
470    LDFLAGS += -lunwind-x86
471    EXTLIBS_LIBUNWIND += -lunwind-x86
472    have_libunwind = 1
473  endif
474
475  ifeq ($(feature-libunwind-aarch64), 1)
476    $(call detected,CONFIG_LIBUNWIND_AARCH64)
477    CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
478    LDFLAGS += -lunwind-aarch64
479    EXTLIBS_LIBUNWIND += -lunwind-aarch64
480    have_libunwind = 1
481    $(call feature_check,libunwind-debug-frame-aarch64)
482    ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
483      msg := $(warning No debug_frame support found in libunwind-aarch64);
484      CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
485    endif
486  endif
487
488  ifneq ($(feature-libunwind), 1)
489    msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
490    NO_LOCAL_LIBUNWIND := 1
491  else
492    have_libunwind := 1
493    $(call detected,CONFIG_LOCAL_LIBUNWIND)
494  endif
495
496  ifneq ($(have_libunwind), 1)
497    NO_LIBUNWIND := 1
498  endif
499else
500  NO_LOCAL_LIBUNWIND := 1
501endif
502
503ifndef NO_LIBBPF
504  ifneq ($(feature-bpf), 1)
505    msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
506    NO_LIBBPF := 1
507  endif
508endif
509
510dwarf-post-unwind := 1
511dwarf-post-unwind-text := BUG
512
513# setup DWARF post unwinder
514ifdef NO_LIBUNWIND
515  ifdef NO_LIBDW_DWARF_UNWIND
516    msg := $(warning Disabling post unwind, no support found.);
517    dwarf-post-unwind := 0
518  else
519    dwarf-post-unwind-text := libdw
520    $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
521  endif
522else
523  dwarf-post-unwind-text := libunwind
524  $(call detected,CONFIG_LIBUNWIND)
525  # Enable libunwind support by default.
526  ifndef NO_LIBDW_DWARF_UNWIND
527    NO_LIBDW_DWARF_UNWIND := 1
528  endif
529endif
530
531ifeq ($(dwarf-post-unwind),1)
532  CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
533  $(call detected,CONFIG_DWARF_UNWIND)
534else
535  NO_DWARF_UNWIND := 1
536endif
537
538ifndef NO_LOCAL_LIBUNWIND
539  ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
540    $(call feature_check,libunwind-debug-frame)
541    ifneq ($(feature-libunwind-debug-frame), 1)
542      msg := $(warning No debug_frame support found in libunwind);
543      CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
544    endif
545  else
546    # non-ARM has no dwarf_find_debug_frame() function:
547    CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
548  endif
549  EXTLIBS += $(LIBUNWIND_LIBS)
550  LDFLAGS += $(LIBUNWIND_LIBS)
551endif
552ifeq ($(findstring -static,${LDFLAGS}),-static)
553  # gcc -static links libgcc_eh which contans piece of libunwind
554  LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
555endif
556
557ifndef NO_LIBUNWIND
558  CFLAGS  += -DHAVE_LIBUNWIND_SUPPORT
559  CFLAGS  += $(LIBUNWIND_CFLAGS)
560  LDFLAGS += $(LIBUNWIND_LDFLAGS)
561  EXTLIBS += $(EXTLIBS_LIBUNWIND)
562endif
563
564ifeq ($(NO_SYSCALL_TABLE),0)
565  $(call detected,CONFIG_TRACE)
566else
567  ifndef NO_LIBAUDIT
568    ifneq ($(feature-libaudit), 1)
569      msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
570      NO_LIBAUDIT := 1
571    else
572      CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
573      EXTLIBS += -laudit
574      $(call detected,CONFIG_TRACE)
575    endif
576  endif
577endif
578
579ifndef NO_LIBCRYPTO
580  ifneq ($(feature-libcrypto), 1)
581    msg := $(warning No libcrypto.h found, disables jitted code injection, please install libssl-devel or libssl-dev);
582    NO_LIBCRYPTO := 1
583  else
584    CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
585    EXTLIBS += -lcrypto
586    $(call detected,CONFIG_CRYPTO)
587  endif
588endif
589
590ifdef NO_NEWT
591  NO_SLANG=1
592endif
593
594ifndef NO_SLANG
595  ifneq ($(feature-libslang), 1)
596    msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
597    NO_SLANG := 1
598  else
599    # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
600    CFLAGS += -I/usr/include/slang
601    CFLAGS += -DHAVE_SLANG_SUPPORT
602    EXTLIBS += -lslang
603    $(call detected,CONFIG_SLANG)
604  endif
605endif
606
607ifndef NO_GTK2
608  FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
609  ifneq ($(feature-gtk2), 1)
610    msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
611    NO_GTK2 := 1
612  else
613    ifeq ($(feature-gtk2-infobar), 1)
614      GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
615    endif
616    CFLAGS += -DHAVE_GTK2_SUPPORT
617    GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
618    GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
619    EXTLIBS += -ldl
620  endif
621endif
622
623ifdef NO_LIBPERL
624  CFLAGS += -DNO_LIBPERL
625else
626  PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
627  PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
628  PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
629  PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
630  PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
631  PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
632  FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
633
634  ifneq ($(feature-libperl), 1)
635    CFLAGS += -DNO_LIBPERL
636    NO_LIBPERL := 1
637    msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
638  else
639    LDFLAGS += $(PERL_EMBED_LDFLAGS)
640    EXTLIBS += $(PERL_EMBED_LIBADD)
641    CFLAGS += -DHAVE_LIBPERL_SUPPORT
642    $(call detected,CONFIG_LIBPERL)
643  endif
644endif
645
646ifeq ($(feature-timerfd), 1)
647  CFLAGS += -DHAVE_TIMERFD_SUPPORT
648else
649  msg := $(warning No timerfd support. Disables 'perf kvm stat live');
650endif
651
652disable-python = $(eval $(disable-python_code))
653define disable-python_code
654  CFLAGS += -DNO_LIBPYTHON
655  $(warning $1)
656  NO_LIBPYTHON := 1
657endef
658
659ifdef NO_LIBPYTHON
660  $(call disable-python,Python support disabled by user)
661else
662
663  ifndef PYTHON
664    $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
665  else
666    PYTHON_WORD := $(call shell-wordify,$(PYTHON))
667
668    ifndef PYTHON_CONFIG
669      $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
670    else
671
672      ifneq ($(feature-libpython), 1)
673        $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
674      else
675         LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
676         EXTLIBS += $(PYTHON_EMBED_LIBADD)
677         LANG_BINDINGS += $(obj-perf)python/perf.so
678         CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
679         $(call detected,CONFIG_LIBPYTHON)
680      endif
681    endif
682  endif
683endif
684
685ifeq ($(feature-libbfd), 1)
686  EXTLIBS += -lbfd
687
688  # call all detections now so we get correct
689  # status in VF output
690  $(call feature_check,liberty)
691  $(call feature_check,liberty-z)
692  $(call feature_check,cplus-demangle)
693
694  ifeq ($(feature-liberty), 1)
695    EXTLIBS += -liberty
696  else
697    ifeq ($(feature-liberty-z), 1)
698      EXTLIBS += -liberty -lz
699    endif
700  endif
701endif
702
703ifdef NO_DEMANGLE
704  CFLAGS += -DNO_DEMANGLE
705else
706  ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
707    EXTLIBS += -liberty
708    CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
709  else
710    ifneq ($(feature-libbfd), 1)
711      ifneq ($(feature-liberty), 1)
712        ifneq ($(feature-liberty-z), 1)
713          # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
714          # or any of 'bfd iberty z' trinity
715          ifeq ($(feature-cplus-demangle), 1)
716            EXTLIBS += -liberty
717            CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
718          else
719            msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
720            CFLAGS += -DNO_DEMANGLE
721          endif
722        endif
723      endif
724    endif
725  endif
726endif
727
728ifneq ($(filter -lbfd,$(EXTLIBS)),)
729  CFLAGS += -DHAVE_LIBBFD_SUPPORT
730endif
731
732ifndef NO_ZLIB
733  ifeq ($(feature-zlib), 1)
734    CFLAGS += -DHAVE_ZLIB_SUPPORT
735    EXTLIBS += -lz
736    $(call detected,CONFIG_ZLIB)
737  else
738    NO_ZLIB := 1
739  endif
740endif
741
742ifndef NO_LZMA
743  ifeq ($(feature-lzma), 1)
744    CFLAGS += -DHAVE_LZMA_SUPPORT
745    EXTLIBS += -llzma
746    $(call detected,CONFIG_LZMA)
747  else
748    msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
749    NO_LZMA := 1
750  endif
751endif
752
753ifndef NO_BACKTRACE
754  ifeq ($(feature-backtrace), 1)
755    CFLAGS += -DHAVE_BACKTRACE_SUPPORT
756  endif
757endif
758
759ifndef NO_LIBNUMA
760  ifeq ($(feature-libnuma), 0)
761    msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
762    NO_LIBNUMA := 1
763  else
764    ifeq ($(feature-numa_num_possible_cpus), 0)
765      msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
766      NO_LIBNUMA := 1
767    else
768      CFLAGS += -DHAVE_LIBNUMA_SUPPORT
769      EXTLIBS += -lnuma
770      $(call detected,CONFIG_NUMA)
771    endif
772  endif
773endif
774
775ifdef HAVE_KVM_STAT_SUPPORT
776    CFLAGS += -DHAVE_KVM_STAT_SUPPORT
777endif
778
779ifeq (${IS_64_BIT}, 1)
780  ifndef NO_PERF_READ_VDSO32
781    $(call feature_check,compile-32)
782    ifeq ($(feature-compile-32), 1)
783      CFLAGS += -DHAVE_PERF_READ_VDSO32
784    else
785      NO_PERF_READ_VDSO32 := 1
786    endif
787  endif
788  ifneq ($(SRCARCH), x86)
789    NO_PERF_READ_VDSOX32 := 1
790  endif
791  ifndef NO_PERF_READ_VDSOX32
792    $(call feature_check,compile-x32)
793    ifeq ($(feature-compile-x32), 1)
794      CFLAGS += -DHAVE_PERF_READ_VDSOX32
795    else
796      NO_PERF_READ_VDSOX32 := 1
797    endif
798  endif
799else
800  NO_PERF_READ_VDSO32 := 1
801  NO_PERF_READ_VDSOX32 := 1
802endif
803
804ifndef NO_LIBBABELTRACE
805  $(call feature_check,libbabeltrace)
806  ifeq ($(feature-libbabeltrace), 1)
807    CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
808    LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
809    EXTLIBS += -lbabeltrace-ctf
810    $(call detected,CONFIG_LIBBABELTRACE)
811  else
812    msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
813  endif
814endif
815
816ifndef NO_AUXTRACE
817  ifeq ($(SRCARCH),x86)
818    ifeq ($(feature-get_cpuid), 0)
819      msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
820      NO_AUXTRACE := 1
821    endif
822  endif
823  ifndef NO_AUXTRACE
824    $(call detected,CONFIG_AUXTRACE)
825    CFLAGS += -DHAVE_AUXTRACE_SUPPORT
826  endif
827endif
828
829ifndef NO_JVMTI
830  ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
831    JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
832  else
833    ifneq (,$(wildcard /usr/sbin/alternatives))
834      JDIR=$(shell alternatives --display java | tail -1 | cut -d' ' -f 5 | sed 's%/jre/bin/java.%%g')
835    endif
836  endif
837  ifndef JDIR
838    $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
839    NO_JVMTI := 1
840  endif
841endif
842
843ifndef NO_JVMTI
844  FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
845  $(call feature_check,jvmti)
846  ifeq ($(feature-jvmti), 1)
847    $(call detected_var,JDIR)
848  else
849    $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel)
850    NO_JVMTI := 1
851  endif
852endif
853
854USE_CXX = 0
855USE_CLANGLLVM = 0
856ifdef LIBCLANGLLVM
857  $(call feature_check,cxx)
858  ifneq ($(feature-cxx), 1)
859    msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
860  else
861    $(call feature_check,llvm)
862    $(call feature_check,llvm-version)
863    ifneq ($(feature-llvm), 1)
864      msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
865    else
866      $(call feature_check,clang)
867      ifneq ($(feature-clang), 1)
868        msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
869      else
870        CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
871        CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
872        $(call detected,CONFIG_CXX)
873        $(call detected,CONFIG_CLANGLLVM)
874	USE_CXX = 1
875	USE_LLVM = 1
876	USE_CLANG = 1
877        ifneq ($(feature-llvm-version),1)
878          msg := $(warning This version of LLVM is not tested. May cause build errors)
879        endif
880      endif
881    endif
882  endif
883endif
884
885# Among the variables below, these:
886#   perfexecdir
887#   perf_include_dir
888#   perf_examples_dir
889#   template_dir
890#   mandir
891#   infodir
892#   htmldir
893#   ETC_PERFCONFIG (but not sysconfdir)
894# can be specified as a relative path some/where/else;
895# this is interpreted as relative to $(prefix) and "perf" at
896# runtime figures out where they are based on the path to the executable.
897# This can help installing the suite in a relocatable way.
898
899# Make the path relative to DESTDIR, not to prefix
900ifndef DESTDIR
901prefix ?= $(HOME)
902endif
903bindir_relative = bin
904bindir = $(abspath $(prefix)/$(bindir_relative))
905mandir = share/man
906infodir = share/info
907perfexecdir = libexec/perf-core
908perf_include_dir = lib/include/perf
909perf_examples_dir = lib/examples/perf
910sharedir = $(prefix)/share
911template_dir = share/perf-core/templates
912STRACE_GROUPS_DIR = share/perf-core/strace/groups
913htmldir = share/doc/perf-doc
914tipdir = share/doc/perf-tip
915srcdir = $(srctree)/tools/perf
916ifeq ($(prefix),/usr)
917sysconfdir = /etc
918ETC_PERFCONFIG = $(sysconfdir)/perfconfig
919else
920sysconfdir = $(prefix)/etc
921ETC_PERFCONFIG = etc/perfconfig
922endif
923ifndef lib
924ifeq ($(SRCARCH)$(IS_64_BIT), x861)
925lib = lib64
926else
927lib = lib
928endif
929endif # lib
930libdir = $(prefix)/$(lib)
931
932# Shell quote (do not use $(call) to accommodate ancient setups);
933ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
934STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
935DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
936bindir_SQ = $(subst ','\'',$(bindir))
937mandir_SQ = $(subst ','\'',$(mandir))
938infodir_SQ = $(subst ','\'',$(infodir))
939perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
940perf_include_dir_SQ = $(subst ','\'',$(perf_include_dir))
941perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir))
942template_dir_SQ = $(subst ','\'',$(template_dir))
943htmldir_SQ = $(subst ','\'',$(htmldir))
944tipdir_SQ = $(subst ','\'',$(tipdir))
945prefix_SQ = $(subst ','\'',$(prefix))
946sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
947libdir_SQ = $(subst ','\'',$(libdir))
948srcdir_SQ = $(subst ','\'',$(srcdir))
949
950ifneq ($(filter /%,$(firstword $(perfexecdir))),)
951perfexec_instdir = $(perfexecdir)
952perf_include_instdir = $(perf_include_dir)
953perf_examples_instdir = $(perf_examples_dir)
954STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
955tip_instdir = $(tipdir)
956else
957perfexec_instdir = $(prefix)/$(perfexecdir)
958perf_include_instdir = $(prefix)/$(perf_include_dir)
959perf_examples_instdir = $(prefix)/$(perf_examples_dir)
960STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
961tip_instdir = $(prefix)/$(tipdir)
962endif
963perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
964perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir))
965perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir))
966STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
967tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
968
969# If we install to $(HOME) we keep the traceevent default:
970# $(HOME)/.traceevent/plugins
971# Otherwise we install plugins into the global $(libdir).
972ifdef DESTDIR
973plugindir=$(libdir)/traceevent/plugins
974plugindir_SQ= $(subst ','\'',$(plugindir))
975endif
976
977print_var = $(eval $(print_var_code)) $(info $(MSG))
978define print_var_code
979    MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
980endef
981
982ifeq ($(VF),1)
983  # Display EXTRA features which are detected manualy
984  # from here with feature_check call and thus cannot
985  # be partof global state output.
986  $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),))
987  $(call print_var,prefix)
988  $(call print_var,bindir)
989  $(call print_var,libdir)
990  $(call print_var,sysconfdir)
991  $(call print_var,LIBUNWIND_DIR)
992  $(call print_var,LIBDW_DIR)
993  $(call print_var,JDIR)
994
995  ifeq ($(dwarf-post-unwind),1)
996    $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
997  endif
998  $(info )
999endif
1000
1001$(call detected_var,bindir_SQ)
1002$(call detected_var,PYTHON_WORD)
1003ifneq ($(OUTPUT),)
1004$(call detected_var,OUTPUT)
1005endif
1006$(call detected_var,htmldir_SQ)
1007$(call detected_var,infodir_SQ)
1008$(call detected_var,mandir_SQ)
1009$(call detected_var,ETC_PERFCONFIG_SQ)
1010$(call detected_var,STRACE_GROUPS_DIR_SQ)
1011$(call detected_var,prefix_SQ)
1012$(call detected_var,perfexecdir_SQ)
1013$(call detected_var,perf_include_dir_SQ)
1014$(call detected_var,perf_examples_dir_SQ)
1015$(call detected_var,tipdir_SQ)
1016$(call detected_var,srcdir_SQ)
1017$(call detected_var,LIBDIR)
1018$(call detected_var,GTK_CFLAGS)
1019$(call detected_var,PERL_EMBED_CCOPTS)
1020$(call detected_var,PYTHON_EMBED_CCOPTS)
1021