xref: /openbmc/linux/tools/perf/Makefile.config (revision 2eb0f624b709e78ec8e2f4c3412947703db99301) 
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
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) --cflags 2>/dev/null)
211  PYTHON_EMBED_CCOPTS := $(filter-out -specs=%,$(PYTHON_EMBED_CCOPTS))
212  FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
213endif
214
215FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
216FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
217FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
218FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
219
220CFLAGS += -fno-omit-frame-pointer
221CFLAGS += -ggdb3
222CFLAGS += -funwind-tables
223CFLAGS += -Wall
224CFLAGS += -Wextra
225CFLAGS += -std=gnu99
226
227CXXFLAGS += -std=gnu++11 -fno-exceptions -fno-rtti
228CXXFLAGS += -Wall
229CXXFLAGS += -fno-omit-frame-pointer
230CXXFLAGS += -ggdb3
231CXXFLAGS += -funwind-tables
232CXXFLAGS += -Wno-strict-aliasing
233
234# Enforce a non-executable stack, as we may regress (again) in the future by
235# adding assembler files missing the .GNU-stack linker note.
236LDFLAGS += -Wl,-z,noexecstack
237
238EXTLIBS = -lpthread -lrt -lm -ldl
239
240ifeq ($(FEATURES_DUMP),)
241include $(srctree)/tools/build/Makefile.feature
242else
243include $(FEATURES_DUMP)
244endif
245
246ifeq ($(feature-stackprotector-all), 1)
247  CFLAGS += -fstack-protector-all
248endif
249
250ifeq ($(DEBUG),0)
251  ifeq ($(feature-fortify-source), 1)
252    CFLAGS += -D_FORTIFY_SOURCE=2
253  endif
254endif
255
256INC_FLAGS += -I$(src-perf)/util/include
257INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
258INC_FLAGS += -I$(srctree)/tools/include/uapi
259INC_FLAGS += -I$(srctree)/tools/include/
260INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
261INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
262INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
263
264# $(obj-perf)      for generated common-cmds.h
265# $(obj-perf)/util for generated bison/flex headers
266ifneq ($(OUTPUT),)
267INC_FLAGS += -I$(obj-perf)/util
268INC_FLAGS += -I$(obj-perf)
269endif
270
271INC_FLAGS += -I$(src-perf)/util
272INC_FLAGS += -I$(src-perf)
273INC_FLAGS += -I$(srctree)/tools/lib/
274
275CFLAGS   += $(INC_FLAGS)
276CXXFLAGS += $(INC_FLAGS)
277
278CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
279
280ifeq ($(feature-sync-compare-and-swap), 1)
281  CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
282endif
283
284ifeq ($(feature-pthread-attr-setaffinity-np), 1)
285  CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
286endif
287
288ifeq ($(feature-pthread-barrier), 1)
289  CFLAGS += -DHAVE_PTHREAD_BARRIER
290endif
291
292ifndef NO_BIONIC
293  $(call feature_check,bionic)
294  ifeq ($(feature-bionic), 1)
295    BIONIC := 1
296    EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
297    EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
298  endif
299endif
300
301ifdef NO_LIBELF
302  NO_DWARF := 1
303  NO_DEMANGLE := 1
304  NO_LIBUNWIND := 1
305  NO_LIBDW_DWARF_UNWIND := 1
306  NO_LIBBPF := 1
307  NO_JVMTI := 1
308else
309  ifeq ($(feature-libelf), 0)
310    ifeq ($(feature-glibc), 1)
311      LIBC_SUPPORT := 1
312    endif
313    ifeq ($(BIONIC),1)
314      LIBC_SUPPORT := 1
315    endif
316    ifeq ($(LIBC_SUPPORT),1)
317      msg := $(warning No libelf found. Disables 'probe' tool, jvmti and BPF support in 'perf record'. Please install libelf-dev, libelf-devel or elfutils-libelf-devel);
318
319      NO_LIBELF := 1
320      NO_DWARF := 1
321      NO_DEMANGLE := 1
322      NO_LIBUNWIND := 1
323      NO_LIBDW_DWARF_UNWIND := 1
324      NO_LIBBPF := 1
325      NO_JVMTI := 1
326    else
327      ifneq ($(filter s% -static%,$(LDFLAGS),),)
328        msg := $(error No static glibc found, please install glibc-static);
329      else
330        msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
331      endif
332    endif
333  else
334    ifndef NO_LIBDW_DWARF_UNWIND
335      ifneq ($(feature-libdw-dwarf-unwind),1)
336        NO_LIBDW_DWARF_UNWIND := 1
337        msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
338      endif
339    endif
340    ifneq ($(feature-dwarf), 1)
341      ifndef NO_DWARF
342        msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
343        NO_DWARF := 1
344      endif
345    else
346      ifneq ($(feature-dwarf_getlocations), 1)
347        msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
348      else
349        CFLAGS += -DHAVE_DWARF_GETLOCATIONS
350      endif # dwarf_getlocations
351    endif # Dwarf support
352  endif # libelf support
353endif # NO_LIBELF
354
355ifdef NO_DWARF
356  NO_LIBDW_DWARF_UNWIND := 1
357endif
358
359ifeq ($(feature-sched_getcpu), 1)
360  CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
361endif
362
363ifeq ($(feature-setns), 1)
364  CFLAGS += -DHAVE_SETNS_SUPPORT
365  $(call detected,CONFIG_SETNS)
366endif
367
368ifndef NO_CORESIGHT
369  ifeq ($(feature-libopencsd), 1)
370    CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
371    LDFLAGS += $(LIBOPENCSD_LDFLAGS)
372    EXTLIBS += $(OPENCSDLIBS)
373    $(call detected,CONFIG_LIBOPENCSD)
374    ifdef CSTRACE_RAW
375      CFLAGS += -DCS_DEBUG_RAW
376      ifeq (${CSTRACE_RAW}, packed)
377        CFLAGS += -DCS_RAW_PACKED
378      endif
379    endif
380  endif
381endif
382
383ifndef NO_LIBELF
384  CFLAGS += -DHAVE_LIBELF_SUPPORT
385  EXTLIBS += -lelf
386  $(call detected,CONFIG_LIBELF)
387
388  ifeq ($(feature-libelf-mmap), 1)
389    CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
390  endif
391
392  ifeq ($(feature-libelf-getphdrnum), 1)
393    CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
394  endif
395
396  ifeq ($(feature-libelf-gelf_getnote), 1)
397    CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
398  else
399    msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
400  endif
401
402  ifeq ($(feature-libelf-getshdrstrndx), 1)
403    CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
404  endif
405
406  ifndef NO_DWARF
407    ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
408      msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
409      NO_DWARF := 1
410    else
411      CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
412      LDFLAGS += $(LIBDW_LDFLAGS)
413      EXTLIBS += ${DWARFLIBS}
414      $(call detected,CONFIG_DWARF)
415    endif # PERF_HAVE_DWARF_REGS
416  endif # NO_DWARF
417
418  ifndef NO_LIBBPF
419    ifeq ($(feature-bpf), 1)
420      CFLAGS += -DHAVE_LIBBPF_SUPPORT
421      $(call detected,CONFIG_LIBBPF)
422    endif
423
424    ifndef NO_DWARF
425      ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
426        CFLAGS += -DHAVE_BPF_PROLOGUE
427        $(call detected,CONFIG_BPF_PROLOGUE)
428      else
429        msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset());
430      endif
431    else
432      msg := $(warning DWARF support is off, BPF prologue is disabled);
433    endif
434
435  endif # NO_LIBBPF
436endif # NO_LIBELF
437
438ifndef NO_SDT
439  ifneq ($(feature-sdt), 1)
440    msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
441    NO_SDT := 1;
442  else
443    CFLAGS += -DHAVE_SDT_EVENT
444    $(call detected,CONFIG_SDT_EVENT)
445  endif
446endif
447
448ifdef PERF_HAVE_JITDUMP
449  ifndef NO_LIBELF
450    $(call detected,CONFIG_JITDUMP)
451    CFLAGS += -DHAVE_JITDUMP
452  endif
453endif
454
455ifeq ($(SRCARCH),powerpc)
456  ifndef NO_DWARF
457    CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
458  endif
459endif
460
461ifndef NO_LIBUNWIND
462  have_libunwind :=
463
464  ifeq ($(feature-libunwind-x86), 1)
465    $(call detected,CONFIG_LIBUNWIND_X86)
466    CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
467    LDFLAGS += -lunwind-x86
468    EXTLIBS_LIBUNWIND += -lunwind-x86
469    have_libunwind = 1
470  endif
471
472  ifeq ($(feature-libunwind-aarch64), 1)
473    $(call detected,CONFIG_LIBUNWIND_AARCH64)
474    CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
475    LDFLAGS += -lunwind-aarch64
476    EXTLIBS_LIBUNWIND += -lunwind-aarch64
477    have_libunwind = 1
478    $(call feature_check,libunwind-debug-frame-aarch64)
479    ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
480      msg := $(warning No debug_frame support found in libunwind-aarch64);
481      CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
482    endif
483  endif
484
485  ifneq ($(feature-libunwind), 1)
486    msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
487    NO_LOCAL_LIBUNWIND := 1
488  else
489    have_libunwind := 1
490    $(call detected,CONFIG_LOCAL_LIBUNWIND)
491  endif
492
493  ifneq ($(have_libunwind), 1)
494    NO_LIBUNWIND := 1
495  endif
496else
497  NO_LOCAL_LIBUNWIND := 1
498endif
499
500ifndef NO_LIBBPF
501  ifneq ($(feature-bpf), 1)
502    msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
503    NO_LIBBPF := 1
504  endif
505endif
506
507dwarf-post-unwind := 1
508dwarf-post-unwind-text := BUG
509
510# setup DWARF post unwinder
511ifdef NO_LIBUNWIND
512  ifdef NO_LIBDW_DWARF_UNWIND
513    msg := $(warning Disabling post unwind, no support found.);
514    dwarf-post-unwind := 0
515  else
516    dwarf-post-unwind-text := libdw
517    $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
518  endif
519else
520  dwarf-post-unwind-text := libunwind
521  $(call detected,CONFIG_LIBUNWIND)
522  # Enable libunwind support by default.
523  ifndef NO_LIBDW_DWARF_UNWIND
524    NO_LIBDW_DWARF_UNWIND := 1
525  endif
526endif
527
528ifeq ($(dwarf-post-unwind),1)
529  CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
530  $(call detected,CONFIG_DWARF_UNWIND)
531else
532  NO_DWARF_UNWIND := 1
533endif
534
535ifndef NO_LOCAL_LIBUNWIND
536  ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
537    $(call feature_check,libunwind-debug-frame)
538    ifneq ($(feature-libunwind-debug-frame), 1)
539      msg := $(warning No debug_frame support found in libunwind);
540      CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
541    endif
542  else
543    # non-ARM has no dwarf_find_debug_frame() function:
544    CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
545  endif
546  EXTLIBS += $(LIBUNWIND_LIBS)
547  LDFLAGS += $(LIBUNWIND_LIBS)
548endif
549ifeq ($(findstring -static,${LDFLAGS}),-static)
550  # gcc -static links libgcc_eh which contans piece of libunwind
551  LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
552endif
553
554ifndef NO_LIBUNWIND
555  CFLAGS  += -DHAVE_LIBUNWIND_SUPPORT
556  CFLAGS  += $(LIBUNWIND_CFLAGS)
557  LDFLAGS += $(LIBUNWIND_LDFLAGS)
558  EXTLIBS += $(EXTLIBS_LIBUNWIND)
559endif
560
561ifeq ($(NO_SYSCALL_TABLE),0)
562  $(call detected,CONFIG_TRACE)
563else
564  ifndef NO_LIBAUDIT
565    ifneq ($(feature-libaudit), 1)
566      msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
567      NO_LIBAUDIT := 1
568    else
569      CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
570      EXTLIBS += -laudit
571      $(call detected,CONFIG_TRACE)
572    endif
573  endif
574endif
575
576ifndef NO_LIBCRYPTO
577  ifneq ($(feature-libcrypto), 1)
578    msg := $(warning No libcrypto.h found, disables jitted code injection, please install libssl-devel or libssl-dev);
579    NO_LIBCRYPTO := 1
580  else
581    CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
582    EXTLIBS += -lcrypto
583    $(call detected,CONFIG_CRYPTO)
584  endif
585endif
586
587ifdef NO_NEWT
588  NO_SLANG=1
589endif
590
591ifndef NO_SLANG
592  ifneq ($(feature-libslang), 1)
593    msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
594    NO_SLANG := 1
595  else
596    # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
597    CFLAGS += -I/usr/include/slang
598    CFLAGS += -DHAVE_SLANG_SUPPORT
599    EXTLIBS += -lslang
600    $(call detected,CONFIG_SLANG)
601  endif
602endif
603
604ifndef NO_GTK2
605  FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
606  ifneq ($(feature-gtk2), 1)
607    msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
608    NO_GTK2 := 1
609  else
610    ifeq ($(feature-gtk2-infobar), 1)
611      GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
612    endif
613    CFLAGS += -DHAVE_GTK2_SUPPORT
614    GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
615    GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
616    EXTLIBS += -ldl
617  endif
618endif
619
620ifdef NO_LIBPERL
621  CFLAGS += -DNO_LIBPERL
622else
623  PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
624  PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
625  PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
626  PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
627  PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
628  PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
629  FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
630
631  ifneq ($(feature-libperl), 1)
632    CFLAGS += -DNO_LIBPERL
633    NO_LIBPERL := 1
634    msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
635  else
636    LDFLAGS += $(PERL_EMBED_LDFLAGS)
637    EXTLIBS += $(PERL_EMBED_LIBADD)
638    $(call detected,CONFIG_LIBPERL)
639  endif
640endif
641
642ifeq ($(feature-timerfd), 1)
643  CFLAGS += -DHAVE_TIMERFD_SUPPORT
644else
645  msg := $(warning No timerfd support. Disables 'perf kvm stat live');
646endif
647
648disable-python = $(eval $(disable-python_code))
649define disable-python_code
650  CFLAGS += -DNO_LIBPYTHON
651  $(warning $1)
652  NO_LIBPYTHON := 1
653endef
654
655ifdef NO_LIBPYTHON
656  $(call disable-python,Python support disabled by user)
657else
658
659  ifndef PYTHON
660    $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
661  else
662    PYTHON_WORD := $(call shell-wordify,$(PYTHON))
663
664    ifndef PYTHON_CONFIG
665      $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
666    else
667
668      ifneq ($(feature-libpython), 1)
669        $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
670      else
671         LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
672         EXTLIBS += $(PYTHON_EMBED_LIBADD)
673         LANG_BINDINGS += $(obj-perf)python/perf.so
674         $(call detected,CONFIG_LIBPYTHON)
675      endif
676    endif
677  endif
678endif
679
680ifeq ($(feature-libbfd), 1)
681  EXTLIBS += -lbfd
682
683  # call all detections now so we get correct
684  # status in VF output
685  $(call feature_check,liberty)
686  $(call feature_check,liberty-z)
687  $(call feature_check,cplus-demangle)
688
689  ifeq ($(feature-liberty), 1)
690    EXTLIBS += -liberty
691  else
692    ifeq ($(feature-liberty-z), 1)
693      EXTLIBS += -liberty -lz
694    endif
695  endif
696endif
697
698ifdef NO_DEMANGLE
699  CFLAGS += -DNO_DEMANGLE
700else
701  ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
702    EXTLIBS += -liberty
703    CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
704  else
705    ifneq ($(feature-libbfd), 1)
706      ifneq ($(feature-liberty), 1)
707        ifneq ($(feature-liberty-z), 1)
708          # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
709          # or any of 'bfd iberty z' trinity
710          ifeq ($(feature-cplus-demangle), 1)
711            EXTLIBS += -liberty
712            CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
713          else
714            msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
715            CFLAGS += -DNO_DEMANGLE
716          endif
717        endif
718      endif
719    endif
720  endif
721endif
722
723ifneq ($(filter -lbfd,$(EXTLIBS)),)
724  CFLAGS += -DHAVE_LIBBFD_SUPPORT
725endif
726
727ifndef NO_ZLIB
728  ifeq ($(feature-zlib), 1)
729    CFLAGS += -DHAVE_ZLIB_SUPPORT
730    EXTLIBS += -lz
731    $(call detected,CONFIG_ZLIB)
732  else
733    NO_ZLIB := 1
734  endif
735endif
736
737ifndef NO_LZMA
738  ifeq ($(feature-lzma), 1)
739    CFLAGS += -DHAVE_LZMA_SUPPORT
740    EXTLIBS += -llzma
741    $(call detected,CONFIG_LZMA)
742  else
743    msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
744    NO_LZMA := 1
745  endif
746endif
747
748ifndef NO_BACKTRACE
749  ifeq ($(feature-backtrace), 1)
750    CFLAGS += -DHAVE_BACKTRACE_SUPPORT
751  endif
752endif
753
754ifndef NO_LIBNUMA
755  ifeq ($(feature-libnuma), 0)
756    msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
757    NO_LIBNUMA := 1
758  else
759    ifeq ($(feature-numa_num_possible_cpus), 0)
760      msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
761      NO_LIBNUMA := 1
762    else
763      CFLAGS += -DHAVE_LIBNUMA_SUPPORT
764      EXTLIBS += -lnuma
765      $(call detected,CONFIG_NUMA)
766    endif
767  endif
768endif
769
770ifdef HAVE_KVM_STAT_SUPPORT
771    CFLAGS += -DHAVE_KVM_STAT_SUPPORT
772endif
773
774ifeq (${IS_64_BIT}, 1)
775  ifndef NO_PERF_READ_VDSO32
776    $(call feature_check,compile-32)
777    ifeq ($(feature-compile-32), 1)
778      CFLAGS += -DHAVE_PERF_READ_VDSO32
779    else
780      NO_PERF_READ_VDSO32 := 1
781    endif
782  endif
783  ifneq ($(SRCARCH), x86)
784    NO_PERF_READ_VDSOX32 := 1
785  endif
786  ifndef NO_PERF_READ_VDSOX32
787    $(call feature_check,compile-x32)
788    ifeq ($(feature-compile-x32), 1)
789      CFLAGS += -DHAVE_PERF_READ_VDSOX32
790    else
791      NO_PERF_READ_VDSOX32 := 1
792    endif
793  endif
794else
795  NO_PERF_READ_VDSO32 := 1
796  NO_PERF_READ_VDSOX32 := 1
797endif
798
799ifndef NO_LIBBABELTRACE
800  $(call feature_check,libbabeltrace)
801  ifeq ($(feature-libbabeltrace), 1)
802    CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
803    LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
804    EXTLIBS += -lbabeltrace-ctf
805    $(call detected,CONFIG_LIBBABELTRACE)
806  else
807    msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
808  endif
809endif
810
811ifndef NO_AUXTRACE
812  ifeq ($(SRCARCH),x86)
813    ifeq ($(feature-get_cpuid), 0)
814      msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
815      NO_AUXTRACE := 1
816    endif
817  endif
818  ifndef NO_AUXTRACE
819    $(call detected,CONFIG_AUXTRACE)
820    CFLAGS += -DHAVE_AUXTRACE_SUPPORT
821  endif
822endif
823
824ifndef NO_JVMTI
825  ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
826    JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
827  else
828    ifneq (,$(wildcard /usr/sbin/alternatives))
829      JDIR=$(shell alternatives --display java | tail -1 | cut -d' ' -f 5 | sed 's%/jre/bin/java.%%g')
830    endif
831  endif
832  ifndef JDIR
833    $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
834    NO_JVMTI := 1
835  endif
836endif
837
838ifndef NO_JVMTI
839  FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
840  $(call feature_check,jvmti)
841  ifeq ($(feature-jvmti), 1)
842    $(call detected_var,JDIR)
843  else
844    $(warning No openjdk development package found, please install JDK package)
845    NO_JVMTI := 1
846  endif
847endif
848
849USE_CXX = 0
850USE_CLANGLLVM = 0
851ifdef LIBCLANGLLVM
852  $(call feature_check,cxx)
853  ifneq ($(feature-cxx), 1)
854    msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
855  else
856    $(call feature_check,llvm)
857    $(call feature_check,llvm-version)
858    ifneq ($(feature-llvm), 1)
859      msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
860    else
861      $(call feature_check,clang)
862      ifneq ($(feature-clang), 1)
863        msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
864      else
865        CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
866        CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
867        $(call detected,CONFIG_CXX)
868        $(call detected,CONFIG_CLANGLLVM)
869	USE_CXX = 1
870	USE_LLVM = 1
871	USE_CLANG = 1
872        ifneq ($(feature-llvm-version),1)
873          msg := $(warning This version of LLVM is not tested. May cause build errors)
874        endif
875      endif
876    endif
877  endif
878endif
879
880# Among the variables below, these:
881#   perfexecdir
882#   template_dir
883#   mandir
884#   infodir
885#   htmldir
886#   ETC_PERFCONFIG (but not sysconfdir)
887# can be specified as a relative path some/where/else;
888# this is interpreted as relative to $(prefix) and "perf" at
889# runtime figures out where they are based on the path to the executable.
890# This can help installing the suite in a relocatable way.
891
892# Make the path relative to DESTDIR, not to prefix
893ifndef DESTDIR
894prefix ?= $(HOME)
895endif
896bindir_relative = bin
897bindir = $(abspath $(prefix)/$(bindir_relative))
898mandir = share/man
899infodir = share/info
900perfexecdir = libexec/perf-core
901sharedir = $(prefix)/share
902template_dir = share/perf-core/templates
903STRACE_GROUPS_DIR = share/perf-core/strace/groups
904htmldir = share/doc/perf-doc
905tipdir = share/doc/perf-tip
906srcdir = $(srctree)/tools/perf
907ifeq ($(prefix),/usr)
908sysconfdir = /etc
909ETC_PERFCONFIG = $(sysconfdir)/perfconfig
910else
911sysconfdir = $(prefix)/etc
912ETC_PERFCONFIG = etc/perfconfig
913endif
914ifndef lib
915ifeq ($(SRCARCH)$(IS_64_BIT), x861)
916lib = lib64
917else
918lib = lib
919endif
920endif # lib
921libdir = $(prefix)/$(lib)
922
923# Shell quote (do not use $(call) to accommodate ancient setups);
924ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
925STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
926DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
927bindir_SQ = $(subst ','\'',$(bindir))
928mandir_SQ = $(subst ','\'',$(mandir))
929infodir_SQ = $(subst ','\'',$(infodir))
930perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
931template_dir_SQ = $(subst ','\'',$(template_dir))
932htmldir_SQ = $(subst ','\'',$(htmldir))
933tipdir_SQ = $(subst ','\'',$(tipdir))
934prefix_SQ = $(subst ','\'',$(prefix))
935sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
936libdir_SQ = $(subst ','\'',$(libdir))
937srcdir_SQ = $(subst ','\'',$(srcdir))
938
939ifneq ($(filter /%,$(firstword $(perfexecdir))),)
940perfexec_instdir = $(perfexecdir)
941STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
942tip_instdir = $(tipdir)
943else
944perfexec_instdir = $(prefix)/$(perfexecdir)
945STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
946tip_instdir = $(prefix)/$(tipdir)
947endif
948perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
949STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
950tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
951
952# If we install to $(HOME) we keep the traceevent default:
953# $(HOME)/.traceevent/plugins
954# Otherwise we install plugins into the global $(libdir).
955ifdef DESTDIR
956plugindir=$(libdir)/traceevent/plugins
957plugindir_SQ= $(subst ','\'',$(plugindir))
958endif
959
960print_var = $(eval $(print_var_code)) $(info $(MSG))
961define print_var_code
962    MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
963endef
964
965ifeq ($(VF),1)
966  # Display EXTRA features which are detected manualy
967  # from here with feature_check call and thus cannot
968  # be partof global state output.
969  $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),))
970  $(call print_var,prefix)
971  $(call print_var,bindir)
972  $(call print_var,libdir)
973  $(call print_var,sysconfdir)
974  $(call print_var,LIBUNWIND_DIR)
975  $(call print_var,LIBDW_DIR)
976  $(call print_var,JDIR)
977
978  ifeq ($(dwarf-post-unwind),1)
979    $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
980  endif
981  $(info )
982endif
983
984$(call detected_var,bindir_SQ)
985$(call detected_var,PYTHON_WORD)
986ifneq ($(OUTPUT),)
987$(call detected_var,OUTPUT)
988endif
989$(call detected_var,htmldir_SQ)
990$(call detected_var,infodir_SQ)
991$(call detected_var,mandir_SQ)
992$(call detected_var,ETC_PERFCONFIG_SQ)
993$(call detected_var,STRACE_GROUPS_DIR_SQ)
994$(call detected_var,prefix_SQ)
995$(call detected_var,perfexecdir_SQ)
996$(call detected_var,tipdir_SQ)
997$(call detected_var,srcdir_SQ)
998$(call detected_var,LIBDIR)
999$(call detected_var,GTK_CFLAGS)
1000$(call detected_var,PERL_EMBED_CCOPTS)
1001$(call detected_var,PYTHON_EMBED_CCOPTS)
1002