xref: /openbmc/linux/tools/perf/Makefile.config (revision 4e1a33b1) 
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,ARCH)
23
24NO_PERF_REGS := 1
25
26# Additional ARCH settings for ppc
27ifeq ($(ARCH),powerpc)
28  NO_PERF_REGS := 0
29  LIBUNWIND_LIBS := -lunwind -lunwind-ppc64
30endif
31
32# Additional ARCH settings for x86
33ifeq ($(ARCH),x86)
34  $(call detected,CONFIG_X86)
35  ifeq (${IS_64_BIT}, 1)
36    CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT -DHAVE_SYSCALL_TABLE -I$(OUTPUT)arch/x86/include/generated
37    ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
38    LIBUNWIND_LIBS = -lunwind -lunwind-x86_64
39    $(call detected,CONFIG_X86_64)
40  else
41    LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind
42  endif
43  NO_PERF_REGS := 0
44endif
45
46ifeq ($(ARCH),arm)
47  NO_PERF_REGS := 0
48  LIBUNWIND_LIBS = -lunwind -lunwind-arm
49endif
50
51ifeq ($(ARCH),arm64)
52  NO_PERF_REGS := 0
53  LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
54endif
55
56ifeq ($(NO_PERF_REGS),0)
57  $(call detected,CONFIG_PERF_REGS)
58endif
59
60# So far there's only x86 and arm libdw unwind support merged in perf.
61# Disable it on all other architectures in case libdw unwind
62# support is detected in system. Add supported architectures
63# to the check.
64ifneq ($(ARCH),$(filter $(ARCH),x86 arm))
65  NO_LIBDW_DWARF_UNWIND := 1
66endif
67
68ifeq ($(LIBUNWIND_LIBS),)
69  NO_LIBUNWIND := 1
70endif
71#
72# For linking with debug library, run like:
73#
74#   make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
75#
76
77libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
78define libunwind_arch_set_flags_code
79  FEATURE_CHECK_CFLAGS-libunwind-$(1)  = -I$(LIBUNWIND_DIR)/include
80  FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
81endef
82
83ifdef LIBUNWIND_DIR
84  LIBUNWIND_CFLAGS  = -I$(LIBUNWIND_DIR)/include
85  LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
86  LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64
87  $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
88endif
89
90# Set per-feature check compilation flags
91FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
92FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
93FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
94FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
95
96ifeq ($(NO_PERF_REGS),0)
97  CFLAGS += -DHAVE_PERF_REGS_SUPPORT
98endif
99
100# for linking with debug library, run like:
101# make DEBUG=1 LIBDW_DIR=/opt/libdw/
102ifdef LIBDW_DIR
103  LIBDW_CFLAGS  := -I$(LIBDW_DIR)/include
104  LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
105endif
106FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
107FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) -ldw
108
109# for linking with debug library, run like:
110# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
111ifdef LIBBABELTRACE_DIR
112  LIBBABELTRACE_CFLAGS  := -I$(LIBBABELTRACE_DIR)/include
113  LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
114endif
115FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
116FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
117
118FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(ARCH)/include/uapi -I$(srctree)/tools/include/uapi
119# include ARCH specific config
120-include $(src-perf)/arch/$(ARCH)/Makefile
121
122ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
123  CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
124endif
125
126include $(srctree)/tools/scripts/utilities.mak
127
128ifeq ($(call get-executable,$(FLEX)),)
129  dummy := $(error Error: $(FLEX) is missing on this system, please install it)
130endif
131
132ifeq ($(call get-executable,$(BISON)),)
133  dummy := $(error Error: $(BISON) is missing on this system, please install it)
134endif
135
136# Treat warnings as errors unless directed not to
137ifneq ($(WERROR),0)
138  CFLAGS += -Werror
139  CXXFLAGS += -Werror
140endif
141
142ifndef DEBUG
143  DEBUG := 0
144endif
145
146ifeq ($(DEBUG),0)
147ifeq ($(CC), clang)
148  CFLAGS += -O3
149else
150  CFLAGS += -O6
151endif
152endif
153
154ifdef PARSER_DEBUG
155  PARSER_DEBUG_BISON := -t
156  PARSER_DEBUG_FLEX  := -d
157  CFLAGS             += -DPARSER_DEBUG
158  $(call detected_var,PARSER_DEBUG_BISON)
159  $(call detected_var,PARSER_DEBUG_FLEX)
160endif
161
162# Try different combinations to accommodate systems that only have
163# python[2][-config] in weird combinations but always preferring
164# python2 and python2-config as per pep-0394. If we catch a
165# python[-config] in version 3, the version check will kill it.
166PYTHON2 := $(if $(call get-executable,python2),python2,python)
167override PYTHON := $(call get-executable-or-default,PYTHON,$(PYTHON2))
168PYTHON2_CONFIG := \
169  $(if $(call get-executable,$(PYTHON)-config),$(PYTHON)-config,python-config)
170override PYTHON_CONFIG := \
171  $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON2_CONFIG))
172
173PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
174
175PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
176PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
177
178FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
179FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
180FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
181FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
182
183CFLAGS += -fno-omit-frame-pointer
184CFLAGS += -ggdb3
185CFLAGS += -funwind-tables
186CFLAGS += -Wall
187CFLAGS += -Wextra
188CFLAGS += -std=gnu99
189
190CXXFLAGS += -std=gnu++11 -fno-exceptions -fno-rtti
191CXXFLAGS += -Wall
192CXXFLAGS += -fno-omit-frame-pointer
193CXXFLAGS += -ggdb3
194CXXFLAGS += -funwind-tables
195CXXFLAGS += -Wno-strict-aliasing
196
197# Enforce a non-executable stack, as we may regress (again) in the future by
198# adding assembler files missing the .GNU-stack linker note.
199LDFLAGS += -Wl,-z,noexecstack
200
201EXTLIBS = -lpthread -lrt -lm -ldl
202
203ifeq ($(FEATURES_DUMP),)
204include $(srctree)/tools/build/Makefile.feature
205else
206include $(FEATURES_DUMP)
207endif
208
209ifeq ($(feature-stackprotector-all), 1)
210  CFLAGS += -fstack-protector-all
211endif
212
213ifeq ($(DEBUG),0)
214  ifeq ($(feature-fortify-source), 1)
215    CFLAGS += -D_FORTIFY_SOURCE=2
216  endif
217endif
218
219INC_FLAGS += -I$(src-perf)/util/include
220INC_FLAGS += -I$(src-perf)/arch/$(ARCH)/include
221INC_FLAGS += -I$(srctree)/tools/include/uapi
222INC_FLAGS += -I$(srctree)/tools/include/
223INC_FLAGS += -I$(srctree)/tools/arch/$(ARCH)/include/uapi
224INC_FLAGS += -I$(srctree)/tools/arch/$(ARCH)/include/
225INC_FLAGS += -I$(srctree)/tools/arch/$(ARCH)/
226
227# $(obj-perf)      for generated common-cmds.h
228# $(obj-perf)/util for generated bison/flex headers
229ifneq ($(OUTPUT),)
230INC_FLAGS += -I$(obj-perf)/util
231INC_FLAGS += -I$(obj-perf)
232endif
233
234INC_FLAGS += -I$(src-perf)/util
235INC_FLAGS += -I$(src-perf)
236INC_FLAGS += -I$(srctree)/tools/lib/
237
238CFLAGS   += $(INC_FLAGS)
239CXXFLAGS += $(INC_FLAGS)
240
241CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
242
243ifeq ($(feature-sync-compare-and-swap), 1)
244  CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
245endif
246
247ifeq ($(feature-pthread-attr-setaffinity-np), 1)
248  CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
249endif
250
251ifndef NO_BIONIC
252  $(call feature_check,bionic)
253  ifeq ($(feature-bionic), 1)
254    BIONIC := 1
255    EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
256    EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
257  endif
258endif
259
260ifdef NO_LIBELF
261  NO_DWARF := 1
262  NO_DEMANGLE := 1
263  NO_LIBUNWIND := 1
264  NO_LIBDW_DWARF_UNWIND := 1
265  NO_LIBBPF := 1
266else
267  ifeq ($(feature-libelf), 0)
268    ifeq ($(feature-glibc), 1)
269      LIBC_SUPPORT := 1
270    endif
271    ifeq ($(BIONIC),1)
272      LIBC_SUPPORT := 1
273    endif
274    ifeq ($(LIBC_SUPPORT),1)
275      msg := $(warning No libelf found, disables 'probe' tool and BPF support in 'perf record', please install libelf-dev, libelf-devel or elfutils-libelf-devel);
276
277      NO_LIBELF := 1
278      NO_DWARF := 1
279      NO_DEMANGLE := 1
280      NO_LIBUNWIND := 1
281      NO_LIBDW_DWARF_UNWIND := 1
282      NO_LIBBPF := 1
283    else
284      ifneq ($(filter s% -static%,$(LDFLAGS),),)
285        msg := $(error No static glibc found, please install glibc-static);
286      else
287        msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
288      endif
289    endif
290  else
291    ifndef NO_LIBDW_DWARF_UNWIND
292      ifneq ($(feature-libdw-dwarf-unwind),1)
293        NO_LIBDW_DWARF_UNWIND := 1
294        msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
295      endif
296    endif
297    ifneq ($(feature-dwarf), 1)
298      ifndef NO_DWARF
299        msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
300        NO_DWARF := 1
301      endif
302    else
303      ifneq ($(feature-dwarf_getlocations), 1)
304        msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
305      else
306        CFLAGS += -DHAVE_DWARF_GETLOCATIONS
307      endif # dwarf_getlocations
308    endif # Dwarf support
309  endif # libelf support
310endif # NO_LIBELF
311
312ifdef NO_DWARF
313  NO_LIBDW_DWARF_UNWIND := 1
314endif
315
316ifndef NO_LIBELF
317  CFLAGS += -DHAVE_LIBELF_SUPPORT
318  EXTLIBS += -lelf
319  $(call detected,CONFIG_LIBELF)
320
321  ifeq ($(feature-libelf-mmap), 1)
322    CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
323  endif
324
325  ifeq ($(feature-libelf-getphdrnum), 1)
326    CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
327  endif
328
329  ifeq ($(feature-libelf-gelf_getnote), 1)
330    CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
331  else
332    msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
333  endif
334
335  ifeq ($(feature-libelf-getshdrstrndx), 1)
336    CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
337  endif
338
339  ifndef NO_DWARF
340    ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
341      msg := $(warning DWARF register mappings have not been defined for architecture $(ARCH), DWARF support disabled);
342      NO_DWARF := 1
343    else
344      CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
345      LDFLAGS += $(LIBDW_LDFLAGS)
346      DWARFLIBS := -ldw
347      ifeq ($(findstring -static,${LDFLAGS}),-static)
348	DWARFLIBS += -lelf -lebl -lz -llzma -lbz2
349      endif
350      EXTLIBS += ${DWARFLIBS}
351      $(call detected,CONFIG_DWARF)
352    endif # PERF_HAVE_DWARF_REGS
353  endif # NO_DWARF
354
355  ifndef NO_LIBBPF
356    ifeq ($(feature-bpf), 1)
357      CFLAGS += -DHAVE_LIBBPF_SUPPORT
358      $(call detected,CONFIG_LIBBPF)
359    endif
360
361    ifndef NO_DWARF
362      ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
363        CFLAGS += -DHAVE_BPF_PROLOGUE
364        $(call detected,CONFIG_BPF_PROLOGUE)
365      else
366        msg := $(warning BPF prologue is not supported by architecture $(ARCH), missing regs_query_register_offset());
367      endif
368    else
369      msg := $(warning DWARF support is off, BPF prologue is disabled);
370    endif
371
372  endif # NO_LIBBPF
373endif # NO_LIBELF
374
375ifndef NO_SDT
376  ifneq ($(feature-sdt), 1)
377    msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
378    NO_SDT := 1;
379  else
380    CFLAGS += -DHAVE_SDT_EVENT
381    $(call detected,CONFIG_SDT_EVENT)
382  endif
383endif
384
385ifdef PERF_HAVE_JITDUMP
386  ifndef NO_LIBELF
387    $(call detected,CONFIG_JITDUMP)
388    CFLAGS += -DHAVE_JITDUMP
389  endif
390endif
391
392ifeq ($(ARCH),powerpc)
393  ifndef NO_DWARF
394    CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
395  endif
396endif
397
398ifndef NO_LIBUNWIND
399  have_libunwind :=
400
401  ifeq ($(feature-libunwind-x86), 1)
402    $(call detected,CONFIG_LIBUNWIND_X86)
403    CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
404    LDFLAGS += -lunwind-x86
405    EXTLIBS_LIBUNWIND += -lunwind-x86
406    have_libunwind = 1
407  endif
408
409  ifeq ($(feature-libunwind-aarch64), 1)
410    $(call detected,CONFIG_LIBUNWIND_AARCH64)
411    CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
412    LDFLAGS += -lunwind-aarch64
413    EXTLIBS_LIBUNWIND += -lunwind-aarch64
414    have_libunwind = 1
415    $(call feature_check,libunwind-debug-frame-aarch64)
416    ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
417      msg := $(warning No debug_frame support found in libunwind-aarch64);
418      CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
419    endif
420  endif
421
422  ifneq ($(feature-libunwind), 1)
423    msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
424    NO_LOCAL_LIBUNWIND := 1
425  else
426    have_libunwind := 1
427    $(call detected,CONFIG_LOCAL_LIBUNWIND)
428  endif
429
430  ifneq ($(have_libunwind), 1)
431    NO_LIBUNWIND := 1
432  endif
433else
434  NO_LOCAL_LIBUNWIND := 1
435endif
436
437ifndef NO_LIBBPF
438  ifneq ($(feature-bpf), 1)
439    msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
440    NO_LIBBPF := 1
441  endif
442endif
443
444dwarf-post-unwind := 1
445dwarf-post-unwind-text := BUG
446
447# setup DWARF post unwinder
448ifdef NO_LIBUNWIND
449  ifdef NO_LIBDW_DWARF_UNWIND
450    msg := $(warning Disabling post unwind, no support found.);
451    dwarf-post-unwind := 0
452  else
453    dwarf-post-unwind-text := libdw
454    $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
455  endif
456else
457  dwarf-post-unwind-text := libunwind
458  $(call detected,CONFIG_LIBUNWIND)
459  # Enable libunwind support by default.
460  ifndef NO_LIBDW_DWARF_UNWIND
461    NO_LIBDW_DWARF_UNWIND := 1
462  endif
463endif
464
465ifeq ($(dwarf-post-unwind),1)
466  CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
467  $(call detected,CONFIG_DWARF_UNWIND)
468else
469  NO_DWARF_UNWIND := 1
470endif
471
472ifndef NO_LOCAL_LIBUNWIND
473  ifeq ($(ARCH),$(filter $(ARCH),arm arm64))
474    $(call feature_check,libunwind-debug-frame)
475    ifneq ($(feature-libunwind-debug-frame), 1)
476      msg := $(warning No debug_frame support found in libunwind);
477      CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
478    endif
479  else
480    # non-ARM has no dwarf_find_debug_frame() function:
481    CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
482  endif
483  EXTLIBS += $(LIBUNWIND_LIBS)
484  LDFLAGS += $(LIBUNWIND_LIBS)
485endif
486
487ifndef NO_LIBUNWIND
488  CFLAGS  += -DHAVE_LIBUNWIND_SUPPORT
489  CFLAGS  += $(LIBUNWIND_CFLAGS)
490  LDFLAGS += $(LIBUNWIND_LDFLAGS)
491  EXTLIBS += $(EXTLIBS_LIBUNWIND)
492endif
493
494ifndef NO_LIBAUDIT
495  ifneq ($(feature-libaudit), 1)
496    msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
497    NO_LIBAUDIT := 1
498  else
499    CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
500    EXTLIBS += -laudit
501    $(call detected,CONFIG_AUDIT)
502  endif
503endif
504
505ifndef NO_LIBCRYPTO
506  ifneq ($(feature-libcrypto), 1)
507    msg := $(warning No libcrypto.h found, disables jitted code injection, please install libssl-devel or libssl-dev);
508    NO_LIBCRYPTO := 1
509  else
510    CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
511    EXTLIBS += -lcrypto
512    $(call detected,CONFIG_CRYPTO)
513  endif
514endif
515
516ifdef NO_NEWT
517  NO_SLANG=1
518endif
519
520ifndef NO_SLANG
521  ifneq ($(feature-libslang), 1)
522    msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
523    NO_SLANG := 1
524  else
525    # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
526    CFLAGS += -I/usr/include/slang
527    CFLAGS += -DHAVE_SLANG_SUPPORT
528    EXTLIBS += -lslang
529    $(call detected,CONFIG_SLANG)
530  endif
531endif
532
533ifndef NO_GTK2
534  FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
535  ifneq ($(feature-gtk2), 1)
536    msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
537    NO_GTK2 := 1
538  else
539    ifeq ($(feature-gtk2-infobar), 1)
540      GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
541    endif
542    CFLAGS += -DHAVE_GTK2_SUPPORT
543    GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
544    GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
545    EXTLIBS += -ldl
546  endif
547endif
548
549grep-libs  = $(filter -l%,$(1))
550strip-libs = $(filter-out -l%,$(1))
551
552ifdef NO_LIBPERL
553  CFLAGS += -DNO_LIBPERL
554else
555  PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
556  PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
557  PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
558  PERL_EMBED_CCOPTS = `perl -MExtUtils::Embed -e ccopts 2>/dev/null`
559  FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
560
561  ifneq ($(feature-libperl), 1)
562    CFLAGS += -DNO_LIBPERL
563    NO_LIBPERL := 1
564    msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
565  else
566    LDFLAGS += $(PERL_EMBED_LDFLAGS)
567    EXTLIBS += $(PERL_EMBED_LIBADD)
568    $(call detected,CONFIG_LIBPERL)
569  endif
570endif
571
572ifeq ($(feature-timerfd), 1)
573  CFLAGS += -DHAVE_TIMERFD_SUPPORT
574else
575  msg := $(warning No timerfd support. Disables 'perf kvm stat live');
576endif
577
578disable-python = $(eval $(disable-python_code))
579define disable-python_code
580  CFLAGS += -DNO_LIBPYTHON
581  $(warning $1)
582  NO_LIBPYTHON := 1
583endef
584
585ifdef NO_LIBPYTHON
586  $(call disable-python,Python support disabled by user)
587else
588
589  ifndef PYTHON
590    $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
591  else
592    PYTHON_WORD := $(call shell-wordify,$(PYTHON))
593
594    ifndef PYTHON_CONFIG
595      $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
596    else
597
598      PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
599
600      PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
601      PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
602      PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
603      PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
604      FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
605
606      ifneq ($(feature-libpython), 1)
607        $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
608      else
609
610        ifneq ($(feature-libpython-version), 1)
611          $(warning Python 3 is not yet supported; please set)
612          $(warning PYTHON and/or PYTHON_CONFIG appropriately.)
613          $(warning If you also have Python 2 installed, then)
614          $(warning try something like:)
615          $(warning $(and ,))
616          $(warning $(and ,)  make PYTHON=python2)
617          $(warning $(and ,))
618          $(warning Otherwise, disable Python support entirely:)
619          $(warning $(and ,))
620          $(warning $(and ,)  make NO_LIBPYTHON=1)
621          $(warning $(and ,))
622          $(error   $(and ,))
623        else
624          LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
625          EXTLIBS += $(PYTHON_EMBED_LIBADD)
626          LANG_BINDINGS += $(obj-perf)python/perf.so
627          $(call detected,CONFIG_LIBPYTHON)
628        endif
629      endif
630    endif
631  endif
632endif
633
634ifeq ($(feature-libbfd), 1)
635  EXTLIBS += -lbfd
636
637  # call all detections now so we get correct
638  # status in VF output
639  $(call feature_check,liberty)
640  $(call feature_check,liberty-z)
641  $(call feature_check,cplus-demangle)
642
643  ifeq ($(feature-liberty), 1)
644    EXTLIBS += -liberty
645  else
646    ifeq ($(feature-liberty-z), 1)
647      EXTLIBS += -liberty -lz
648    endif
649  endif
650endif
651
652ifdef NO_DEMANGLE
653  CFLAGS += -DNO_DEMANGLE
654else
655  ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
656    EXTLIBS += -liberty
657    CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
658  else
659    ifneq ($(feature-libbfd), 1)
660      ifneq ($(feature-liberty), 1)
661        ifneq ($(feature-liberty-z), 1)
662          # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
663          # or any of 'bfd iberty z' trinity
664          ifeq ($(feature-cplus-demangle), 1)
665            EXTLIBS += -liberty
666            CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
667          else
668            msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
669            CFLAGS += -DNO_DEMANGLE
670          endif
671        endif
672      endif
673    endif
674  endif
675endif
676
677ifneq ($(filter -lbfd,$(EXTLIBS)),)
678  CFLAGS += -DHAVE_LIBBFD_SUPPORT
679endif
680
681ifndef NO_ZLIB
682  ifeq ($(feature-zlib), 1)
683    CFLAGS += -DHAVE_ZLIB_SUPPORT
684    EXTLIBS += -lz
685    $(call detected,CONFIG_ZLIB)
686  else
687    NO_ZLIB := 1
688  endif
689endif
690
691ifndef NO_LZMA
692  ifeq ($(feature-lzma), 1)
693    CFLAGS += -DHAVE_LZMA_SUPPORT
694    EXTLIBS += -llzma
695    $(call detected,CONFIG_LZMA)
696  else
697    msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
698    NO_LZMA := 1
699  endif
700endif
701
702ifndef NO_BACKTRACE
703  ifeq ($(feature-backtrace), 1)
704    CFLAGS += -DHAVE_BACKTRACE_SUPPORT
705  endif
706endif
707
708ifndef NO_LIBNUMA
709  ifeq ($(feature-libnuma), 0)
710    msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
711    NO_LIBNUMA := 1
712  else
713    ifeq ($(feature-numa_num_possible_cpus), 0)
714      msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
715      NO_LIBNUMA := 1
716    else
717      CFLAGS += -DHAVE_LIBNUMA_SUPPORT
718      EXTLIBS += -lnuma
719      $(call detected,CONFIG_NUMA)
720    endif
721  endif
722endif
723
724ifdef HAVE_KVM_STAT_SUPPORT
725    CFLAGS += -DHAVE_KVM_STAT_SUPPORT
726endif
727
728ifeq (${IS_64_BIT}, 1)
729  ifndef NO_PERF_READ_VDSO32
730    $(call feature_check,compile-32)
731    ifeq ($(feature-compile-32), 1)
732      CFLAGS += -DHAVE_PERF_READ_VDSO32
733    else
734      NO_PERF_READ_VDSO32 := 1
735    endif
736  endif
737  ifneq ($(ARCH), x86)
738    NO_PERF_READ_VDSOX32 := 1
739  endif
740  ifndef NO_PERF_READ_VDSOX32
741    $(call feature_check,compile-x32)
742    ifeq ($(feature-compile-x32), 1)
743      CFLAGS += -DHAVE_PERF_READ_VDSOX32
744    else
745      NO_PERF_READ_VDSOX32 := 1
746    endif
747  endif
748else
749  NO_PERF_READ_VDSO32 := 1
750  NO_PERF_READ_VDSOX32 := 1
751endif
752
753ifdef LIBBABELTRACE
754  $(call feature_check,libbabeltrace)
755  ifeq ($(feature-libbabeltrace), 1)
756    CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
757    LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
758    EXTLIBS += -lbabeltrace-ctf
759    $(call detected,CONFIG_LIBBABELTRACE)
760  else
761    msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
762  endif
763endif
764
765ifndef NO_AUXTRACE
766  ifeq ($(ARCH),x86)
767    ifeq ($(feature-get_cpuid), 0)
768      msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
769      NO_AUXTRACE := 1
770    endif
771  endif
772  ifndef NO_AUXTRACE
773    $(call detected,CONFIG_AUXTRACE)
774    CFLAGS += -DHAVE_AUXTRACE_SUPPORT
775  endif
776endif
777
778ifndef NO_JVMTI
779  ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
780    JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
781  else
782    ifneq (,$(wildcard /usr/sbin/alternatives))
783      JDIR=$(shell alternatives --display java | tail -1 | cut -d' ' -f 5 | sed 's%/jre/bin/java.%%g')
784    endif
785  endif
786  ifndef JDIR
787    $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
788    NO_JVMTI := 1
789  endif
790endif
791
792ifndef NO_JVMTI
793  FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
794  $(call feature_check,jvmti)
795  ifeq ($(feature-jvmti), 1)
796    $(call detected_var,JDIR)
797  else
798    $(warning No openjdk development package found, please install JDK package)
799    NO_JVMTI := 1
800  endif
801endif
802
803USE_CXX = 0
804USE_CLANGLLVM = 0
805ifdef LIBCLANGLLVM
806  $(call feature_check,cxx)
807  ifneq ($(feature-cxx), 1)
808    msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
809  else
810    $(call feature_check,llvm)
811    $(call feature_check,llvm-version)
812    ifneq ($(feature-llvm), 1)
813      msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
814    else
815      $(call feature_check,clang)
816      ifneq ($(feature-clang), 1)
817        msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
818      else
819        CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
820        CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
821        $(call detected,CONFIG_CXX)
822        $(call detected,CONFIG_CLANGLLVM)
823	USE_CXX = 1
824	USE_LLVM = 1
825	USE_CLANG = 1
826        ifneq ($(feature-llvm-version),1)
827          msg := $(warning This version of LLVM is not tested. May cause build errors)
828        endif
829      endif
830    endif
831  endif
832endif
833
834# Among the variables below, these:
835#   perfexecdir
836#   template_dir
837#   mandir
838#   infodir
839#   htmldir
840#   ETC_PERFCONFIG (but not sysconfdir)
841# can be specified as a relative path some/where/else;
842# this is interpreted as relative to $(prefix) and "perf" at
843# runtime figures out where they are based on the path to the executable.
844# This can help installing the suite in a relocatable way.
845
846# Make the path relative to DESTDIR, not to prefix
847ifndef DESTDIR
848prefix ?= $(HOME)
849endif
850bindir_relative = bin
851bindir = $(abspath $(prefix)/$(bindir_relative))
852mandir = share/man
853infodir = share/info
854perfexecdir = libexec/perf-core
855sharedir = $(prefix)/share
856template_dir = share/perf-core/templates
857STRACE_GROUPS_DIR = share/perf-core/strace/groups
858htmldir = share/doc/perf-doc
859tipdir = share/doc/perf-tip
860srcdir = $(srctree)/tools/perf
861ifeq ($(prefix),/usr)
862sysconfdir = /etc
863ETC_PERFCONFIG = $(sysconfdir)/perfconfig
864else
865sysconfdir = $(prefix)/etc
866ETC_PERFCONFIG = etc/perfconfig
867endif
868ifndef lib
869ifeq ($(ARCH)$(IS_64_BIT), x861)
870lib = lib64
871else
872lib = lib
873endif
874endif # lib
875libdir = $(prefix)/$(lib)
876
877# Shell quote (do not use $(call) to accommodate ancient setups);
878ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
879STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
880DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
881bindir_SQ = $(subst ','\'',$(bindir))
882mandir_SQ = $(subst ','\'',$(mandir))
883infodir_SQ = $(subst ','\'',$(infodir))
884perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
885template_dir_SQ = $(subst ','\'',$(template_dir))
886htmldir_SQ = $(subst ','\'',$(htmldir))
887tipdir_SQ = $(subst ','\'',$(tipdir))
888prefix_SQ = $(subst ','\'',$(prefix))
889sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
890libdir_SQ = $(subst ','\'',$(libdir))
891srcdir_SQ = $(subst ','\'',$(srcdir))
892
893ifneq ($(filter /%,$(firstword $(perfexecdir))),)
894perfexec_instdir = $(perfexecdir)
895STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
896tip_instdir = $(tipdir)
897else
898perfexec_instdir = $(prefix)/$(perfexecdir)
899STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
900tip_instdir = $(prefix)/$(tipdir)
901endif
902perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
903STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
904tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
905
906# If we install to $(HOME) we keep the traceevent default:
907# $(HOME)/.traceevent/plugins
908# Otherwise we install plugins into the global $(libdir).
909ifdef DESTDIR
910plugindir=$(libdir)/traceevent/plugins
911plugindir_SQ= $(subst ','\'',$(plugindir))
912endif
913
914print_var = $(eval $(print_var_code)) $(info $(MSG))
915define print_var_code
916    MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
917endef
918
919ifeq ($(VF),1)
920  $(call print_var,prefix)
921  $(call print_var,bindir)
922  $(call print_var,libdir)
923  $(call print_var,sysconfdir)
924  $(call print_var,LIBUNWIND_DIR)
925  $(call print_var,LIBDW_DIR)
926  $(call print_var,JDIR)
927
928  ifeq ($(dwarf-post-unwind),1)
929    $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
930  endif
931  $(info )
932endif
933
934$(call detected_var,bindir_SQ)
935$(call detected_var,PYTHON_WORD)
936ifneq ($(OUTPUT),)
937$(call detected_var,OUTPUT)
938endif
939$(call detected_var,htmldir_SQ)
940$(call detected_var,infodir_SQ)
941$(call detected_var,mandir_SQ)
942$(call detected_var,ETC_PERFCONFIG_SQ)
943$(call detected_var,STRACE_GROUPS_DIR_SQ)
944$(call detected_var,prefix_SQ)
945$(call detected_var,perfexecdir_SQ)
946$(call detected_var,tipdir_SQ)
947$(call detected_var,srcdir_SQ)
948$(call detected_var,LIBDIR)
949$(call detected_var,GTK_CFLAGS)
950$(call detected_var,PERL_EMBED_CCOPTS)
951$(call detected_var,PYTHON_EMBED_CCOPTS)
952