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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 $(src-perf)/config/Makefile.arch
21
22$(call detected_var,ARCH)
23
24NO_PERF_REGS := 1
25
26# Additional ARCH settings for x86
27ifeq ($(ARCH),x86)
28  $(call detected,CONFIG_X86)
29  ifeq (${IS_64_BIT}, 1)
30    CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT
31    ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
32    LIBUNWIND_LIBS = -lunwind -lunwind-x86_64
33    $(call detected,CONFIG_X86_64)
34  else
35    LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind
36  endif
37  NO_PERF_REGS := 0
38endif
39
40ifeq ($(ARCH),arm)
41  NO_PERF_REGS := 0
42  LIBUNWIND_LIBS = -lunwind -lunwind-arm
43endif
44
45ifeq ($(ARCH),arm64)
46  NO_PERF_REGS := 0
47  LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
48endif
49
50ifeq ($(NO_PERF_REGS),0)
51  $(call detected,CONFIG_PERF_REGS)
52endif
53
54# So far there's only x86 and arm libdw unwind support merged in perf.
55# Disable it on all other architectures in case libdw unwind
56# support is detected in system. Add supported architectures
57# to the check.
58ifneq ($(ARCH),$(filter $(ARCH),x86 arm))
59  NO_LIBDW_DWARF_UNWIND := 1
60endif
61
62ifeq ($(LIBUNWIND_LIBS),)
63  NO_LIBUNWIND := 1
64else
65  #
66  # For linking with debug library, run like:
67  #
68  #   make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
69  #
70  ifdef LIBUNWIND_DIR
71    LIBUNWIND_CFLAGS  = -I$(LIBUNWIND_DIR)/include
72    LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
73  endif
74  LIBUNWIND_LDFLAGS += $(LIBUNWIND_LIBS)
75
76  # Set per-feature check compilation flags
77  FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
78  FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS)
79  FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
80  FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS)
81endif
82
83ifeq ($(NO_PERF_REGS),0)
84  CFLAGS += -DHAVE_PERF_REGS_SUPPORT
85endif
86
87ifndef NO_LIBELF
88  # for linking with debug library, run like:
89  # make DEBUG=1 LIBDW_DIR=/opt/libdw/
90  ifdef LIBDW_DIR
91    LIBDW_CFLAGS  := -I$(LIBDW_DIR)/include
92    LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
93  endif
94  FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
95  FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) -ldw
96endif
97
98ifdef LIBBABELTRACE
99  # for linking with debug library, run like:
100  # make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
101  ifdef LIBBABELTRACE_DIR
102    LIBBABELTRACE_CFLAGS  := -I$(LIBBABELTRACE_DIR)/include
103    LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
104  endif
105  FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
106  FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
107endif
108
109FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/arch/$(ARCH)/include/uapi -I$(srctree)/include/uapi
110# include ARCH specific config
111-include $(src-perf)/arch/$(ARCH)/Makefile
112
113ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
114  CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
115endif
116
117include $(src-perf)/config/utilities.mak
118
119ifeq ($(call get-executable,$(FLEX)),)
120  dummy := $(error Error: $(FLEX) is missing on this system, please install it)
121endif
122
123ifeq ($(call get-executable,$(BISON)),)
124  dummy := $(error Error: $(BISON) is missing on this system, please install it)
125endif
126
127# Treat warnings as errors unless directed not to
128ifneq ($(WERROR),0)
129  CFLAGS += -Werror
130endif
131
132ifndef DEBUG
133  DEBUG := 0
134endif
135
136ifeq ($(DEBUG),0)
137  CFLAGS += -O6
138else
139  CFLAGS += $(call cc-option,-Og,-O0)
140endif
141
142ifdef PARSER_DEBUG
143  PARSER_DEBUG_BISON := -t
144  PARSER_DEBUG_FLEX  := -d
145  CFLAGS             += -DPARSER_DEBUG
146  $(call detected_var,PARSER_DEBUG_BISON)
147  $(call detected_var,PARSER_DEBUG_FLEX)
148endif
149
150ifndef NO_LIBPYTHON
151  # Try different combinations to accommodate systems that only have
152  # python[2][-config] in weird combinations but always preferring
153  # python2 and python2-config as per pep-0394. If we catch a
154  # python[-config] in version 3, the version check will kill it.
155  PYTHON2 := $(if $(call get-executable,python2),python2,python)
156  override PYTHON := $(call get-executable-or-default,PYTHON,$(PYTHON2))
157  PYTHON2_CONFIG := \
158    $(if $(call get-executable,$(PYTHON)-config),$(PYTHON)-config,python-config)
159  override PYTHON_CONFIG := \
160    $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON2_CONFIG))
161
162  PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
163
164  PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
165  PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
166
167  FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
168  FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
169  FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
170  FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
171endif
172
173CFLAGS += -fno-omit-frame-pointer
174CFLAGS += -ggdb3
175CFLAGS += -funwind-tables
176CFLAGS += -Wall
177CFLAGS += -Wextra
178CFLAGS += -std=gnu99
179
180# Enforce a non-executable stack, as we may regress (again) in the future by
181# adding assembler files missing the .GNU-stack linker note.
182LDFLAGS += -Wl,-z,noexecstack
183
184EXTLIBS = -lpthread -lrt -lm -ldl
185
186include $(srctree)/tools/build/Makefile.feature
187
188ifeq ($(feature-stackprotector-all), 1)
189  CFLAGS += -fstack-protector-all
190endif
191
192ifeq ($(DEBUG),0)
193  ifeq ($(feature-fortify-source), 1)
194    CFLAGS += -D_FORTIFY_SOURCE=2
195  endif
196endif
197
198CFLAGS += -I$(src-perf)/util/include
199CFLAGS += -I$(src-perf)/arch/$(ARCH)/include
200CFLAGS += -I$(srctree)/tools/include/
201CFLAGS += -I$(srctree)/arch/$(ARCH)/include/uapi
202CFLAGS += -I$(srctree)/arch/$(ARCH)/include
203CFLAGS += -I$(srctree)/tools/arch/$(ARCH)/include
204CFLAGS += -I$(srctree)/include/uapi
205CFLAGS += -I$(srctree)/include
206
207# $(obj-perf)      for generated common-cmds.h
208# $(obj-perf)/util for generated bison/flex headers
209ifneq ($(OUTPUT),)
210CFLAGS += -I$(obj-perf)/util
211CFLAGS += -I$(obj-perf)
212endif
213
214CFLAGS += -I$(src-perf)/util
215CFLAGS += -I$(src-perf)
216CFLAGS += -I$(srctree)/tools/lib/
217
218CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
219
220ifeq ($(feature-sync-compare-and-swap), 1)
221  CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
222endif
223
224ifeq ($(feature-pthread-attr-setaffinity-np), 1)
225  CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
226endif
227
228ifndef NO_BIONIC
229  $(call feature_check,bionic)
230  ifeq ($(feature-bionic), 1)
231    BIONIC := 1
232    EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
233    EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
234  endif
235endif
236
237ifdef NO_LIBELF
238  NO_DWARF := 1
239  NO_DEMANGLE := 1
240  NO_LIBUNWIND := 1
241  NO_LIBDW_DWARF_UNWIND := 1
242  NO_LIBBPF := 1
243else
244  ifeq ($(feature-libelf), 0)
245    ifeq ($(feature-glibc), 1)
246      LIBC_SUPPORT := 1
247    endif
248    ifeq ($(BIONIC),1)
249      LIBC_SUPPORT := 1
250    endif
251    ifeq ($(LIBC_SUPPORT),1)
252      msg := $(warning No libelf found, disables 'probe' tool and BPF support in 'perf record', please install elfutils-libelf-devel/libelf-dev);
253
254      NO_LIBELF := 1
255      NO_DWARF := 1
256      NO_DEMANGLE := 1
257      NO_LIBUNWIND := 1
258      NO_LIBDW_DWARF_UNWIND := 1
259      NO_LIBBPF := 1
260    else
261      ifneq ($(filter s% -static%,$(LDFLAGS),),)
262        msg := $(error No static glibc found, please install glibc-static);
263      else
264        msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
265      endif
266    endif
267  else
268    ifndef NO_LIBDW_DWARF_UNWIND
269      ifneq ($(feature-libdw-dwarf-unwind),1)
270        NO_LIBDW_DWARF_UNWIND := 1
271        msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
272      endif
273    endif
274    ifneq ($(feature-dwarf), 1)
275      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);
276      NO_DWARF := 1
277    endif # Dwarf support
278  endif # libelf support
279endif # NO_LIBELF
280
281ifdef NO_DWARF
282  NO_LIBDW_DWARF_UNWIND := 1
283endif
284
285ifndef NO_LIBELF
286  CFLAGS += -DHAVE_LIBELF_SUPPORT
287  EXTLIBS += -lelf
288  $(call detected,CONFIG_LIBELF)
289
290  ifeq ($(feature-libelf-mmap), 1)
291    CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
292  endif
293
294  ifeq ($(feature-libelf-getphdrnum), 1)
295    CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
296  endif
297
298  # include ARCH specific config
299  -include $(src-perf)/arch/$(ARCH)/Makefile
300
301  ifndef NO_DWARF
302    ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
303      msg := $(warning DWARF register mappings have not been defined for architecture $(ARCH), DWARF support disabled);
304      NO_DWARF := 1
305    else
306      CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
307      LDFLAGS += $(LIBDW_LDFLAGS)
308      DWARFLIBS := -ldw
309      ifeq ($(findstring -static,${LDFLAGS}),-static)
310	DWARFLIBS += -lelf -lebl -lz -llzma -lbz2
311      endif
312      EXTLIBS += ${DWARFLIBS}
313      $(call detected,CONFIG_DWARF)
314    endif # PERF_HAVE_DWARF_REGS
315  endif # NO_DWARF
316
317  ifndef NO_LIBBPF
318    ifeq ($(feature-bpf), 1)
319      CFLAGS += -DHAVE_LIBBPF_SUPPORT
320      $(call detected,CONFIG_LIBBPF)
321    endif
322  endif # NO_LIBBPF
323endif # NO_LIBELF
324
325ifeq ($(ARCH),powerpc)
326  ifndef NO_DWARF
327    CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
328  endif
329endif
330
331ifndef NO_LIBUNWIND
332  ifneq ($(feature-libunwind), 1)
333    msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
334    NO_LIBUNWIND := 1
335  endif
336endif
337
338ifndef NO_LIBBPF
339  ifneq ($(feature-bpf), 1)
340    msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
341    NO_LIBBPF := 1
342  endif
343endif
344
345dwarf-post-unwind := 1
346dwarf-post-unwind-text := BUG
347
348# setup DWARF post unwinder
349ifdef NO_LIBUNWIND
350  ifdef NO_LIBDW_DWARF_UNWIND
351    msg := $(warning Disabling post unwind, no support found.);
352    dwarf-post-unwind := 0
353  else
354    dwarf-post-unwind-text := libdw
355    $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
356  endif
357else
358  dwarf-post-unwind-text := libunwind
359  $(call detected,CONFIG_LIBUNWIND)
360  # Enable libunwind support by default.
361  ifndef NO_LIBDW_DWARF_UNWIND
362    NO_LIBDW_DWARF_UNWIND := 1
363  endif
364endif
365
366ifeq ($(dwarf-post-unwind),1)
367  CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
368  $(call detected,CONFIG_DWARF_UNWIND)
369else
370  NO_DWARF_UNWIND := 1
371endif
372
373ifndef NO_LIBUNWIND
374  ifeq ($(ARCH),$(filter $(ARCH),arm arm64))
375    $(call feature_check,libunwind-debug-frame)
376    ifneq ($(feature-libunwind-debug-frame), 1)
377      msg := $(warning No debug_frame support found in libunwind);
378      CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
379    endif
380  else
381    # non-ARM has no dwarf_find_debug_frame() function:
382    CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
383  endif
384  CFLAGS  += -DHAVE_LIBUNWIND_SUPPORT
385  EXTLIBS += $(LIBUNWIND_LIBS)
386  CFLAGS  += $(LIBUNWIND_CFLAGS)
387  LDFLAGS += $(LIBUNWIND_LDFLAGS)
388endif
389
390ifndef NO_LIBAUDIT
391  ifneq ($(feature-libaudit), 1)
392    msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
393    NO_LIBAUDIT := 1
394  else
395    CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
396    EXTLIBS += -laudit
397    $(call detected,CONFIG_AUDIT)
398  endif
399endif
400
401ifdef NO_NEWT
402  NO_SLANG=1
403endif
404
405ifndef NO_SLANG
406  ifneq ($(feature-libslang), 1)
407    msg := $(warning slang not found, disables TUI support. Please install slang-devel or libslang-dev);
408    NO_SLANG := 1
409  else
410    # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
411    CFLAGS += -I/usr/include/slang
412    CFLAGS += -DHAVE_SLANG_SUPPORT
413    EXTLIBS += -lslang
414    $(call detected,CONFIG_SLANG)
415  endif
416endif
417
418ifndef NO_GTK2
419  FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
420  ifneq ($(feature-gtk2), 1)
421    msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
422    NO_GTK2 := 1
423  else
424    ifeq ($(feature-gtk2-infobar), 1)
425      GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
426    endif
427    CFLAGS += -DHAVE_GTK2_SUPPORT
428    GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
429    GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
430    EXTLIBS += -ldl
431  endif
432endif
433
434grep-libs  = $(filter -l%,$(1))
435strip-libs = $(filter-out -l%,$(1))
436
437ifdef NO_LIBPERL
438  CFLAGS += -DNO_LIBPERL
439else
440  PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
441  PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
442  PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
443  PERL_EMBED_CCOPTS = `perl -MExtUtils::Embed -e ccopts 2>/dev/null`
444  FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
445
446  ifneq ($(feature-libperl), 1)
447    CFLAGS += -DNO_LIBPERL
448    NO_LIBPERL := 1
449    msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
450  else
451    LDFLAGS += $(PERL_EMBED_LDFLAGS)
452    EXTLIBS += $(PERL_EMBED_LIBADD)
453    $(call detected,CONFIG_LIBPERL)
454  endif
455endif
456
457ifeq ($(feature-timerfd), 1)
458  CFLAGS += -DHAVE_TIMERFD_SUPPORT
459else
460  msg := $(warning No timerfd support. Disables 'perf kvm stat live');
461endif
462
463disable-python = $(eval $(disable-python_code))
464define disable-python_code
465  CFLAGS += -DNO_LIBPYTHON
466  $(warning $1)
467  NO_LIBPYTHON := 1
468endef
469
470ifdef NO_LIBPYTHON
471  $(call disable-python,Python support disabled by user)
472else
473
474  ifndef PYTHON
475    $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
476  else
477    PYTHON_WORD := $(call shell-wordify,$(PYTHON))
478
479    ifndef PYTHON_CONFIG
480      $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
481    else
482
483      PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
484
485      PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
486      PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
487      PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS))
488      PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
489      FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
490
491      ifneq ($(feature-libpython), 1)
492        $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
493      else
494
495        ifneq ($(feature-libpython-version), 1)
496          $(warning Python 3 is not yet supported; please set)
497          $(warning PYTHON and/or PYTHON_CONFIG appropriately.)
498          $(warning If you also have Python 2 installed, then)
499          $(warning try something like:)
500          $(warning $(and ,))
501          $(warning $(and ,)  make PYTHON=python2)
502          $(warning $(and ,))
503          $(warning Otherwise, disable Python support entirely:)
504          $(warning $(and ,))
505          $(warning $(and ,)  make NO_LIBPYTHON=1)
506          $(warning $(and ,))
507          $(error   $(and ,))
508        else
509          LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
510          EXTLIBS += $(PYTHON_EMBED_LIBADD)
511          LANG_BINDINGS += $(obj-perf)python/perf.so
512          $(call detected,CONFIG_LIBPYTHON)
513        endif
514      endif
515    endif
516  endif
517endif
518
519ifeq ($(feature-libbfd), 1)
520  EXTLIBS += -lbfd
521
522  # call all detections now so we get correct
523  # status in VF output
524  $(call feature_check,liberty)
525  $(call feature_check,liberty-z)
526  $(call feature_check,cplus-demangle)
527
528  ifeq ($(feature-liberty), 1)
529    EXTLIBS += -liberty
530  else
531    ifeq ($(feature-liberty-z), 1)
532      EXTLIBS += -liberty -lz
533    endif
534  endif
535endif
536
537ifdef NO_DEMANGLE
538  CFLAGS += -DNO_DEMANGLE
539else
540  ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
541    EXTLIBS += -liberty
542    CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
543  else
544    ifneq ($(feature-libbfd), 1)
545      ifneq ($(feature-liberty), 1)
546        ifneq ($(feature-liberty-z), 1)
547          # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
548          # or any of 'bfd iberty z' trinity
549          ifeq ($(feature-cplus-demangle), 1)
550            EXTLIBS += -liberty
551            CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
552          else
553            msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
554            CFLAGS += -DNO_DEMANGLE
555          endif
556        endif
557      endif
558    endif
559  endif
560endif
561
562ifneq ($(filter -lbfd,$(EXTLIBS)),)
563  CFLAGS += -DHAVE_LIBBFD_SUPPORT
564endif
565
566ifndef NO_ZLIB
567  ifeq ($(feature-zlib), 1)
568    CFLAGS += -DHAVE_ZLIB_SUPPORT
569    EXTLIBS += -lz
570    $(call detected,CONFIG_ZLIB)
571  else
572    NO_ZLIB := 1
573  endif
574endif
575
576ifndef NO_LZMA
577  ifeq ($(feature-lzma), 1)
578    CFLAGS += -DHAVE_LZMA_SUPPORT
579    EXTLIBS += -llzma
580    $(call detected,CONFIG_LZMA)
581  else
582    msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
583    NO_LZMA := 1
584  endif
585endif
586
587ifndef NO_BACKTRACE
588  ifeq ($(feature-backtrace), 1)
589    CFLAGS += -DHAVE_BACKTRACE_SUPPORT
590  endif
591endif
592
593ifndef NO_LIBNUMA
594  ifeq ($(feature-libnuma), 0)
595    msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
596    NO_LIBNUMA := 1
597  else
598    ifeq ($(feature-numa_num_possible_cpus), 0)
599      msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
600      NO_LIBNUMA := 1
601    else
602      CFLAGS += -DHAVE_LIBNUMA_SUPPORT
603      EXTLIBS += -lnuma
604      $(call detected,CONFIG_NUMA)
605    endif
606  endif
607endif
608
609ifdef HAVE_KVM_STAT_SUPPORT
610    CFLAGS += -DHAVE_KVM_STAT_SUPPORT
611endif
612
613ifeq (${IS_64_BIT}, 1)
614  ifndef NO_PERF_READ_VDSO32
615    $(call feature_check,compile-32)
616    ifeq ($(feature-compile-32), 1)
617      CFLAGS += -DHAVE_PERF_READ_VDSO32
618    else
619      NO_PERF_READ_VDSO32 := 1
620    endif
621  endif
622  ifneq ($(ARCH), x86)
623    NO_PERF_READ_VDSOX32 := 1
624  endif
625  ifndef NO_PERF_READ_VDSOX32
626    $(call feature_check,compile-x32)
627    ifeq ($(feature-compile-x32), 1)
628      CFLAGS += -DHAVE_PERF_READ_VDSOX32
629    else
630      NO_PERF_READ_VDSOX32 := 1
631    endif
632  endif
633else
634  NO_PERF_READ_VDSO32 := 1
635  NO_PERF_READ_VDSOX32 := 1
636endif
637
638ifdef LIBBABELTRACE
639  $(call feature_check,libbabeltrace)
640  ifeq ($(feature-libbabeltrace), 1)
641    CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
642    LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
643    EXTLIBS += -lbabeltrace-ctf
644    $(call detected,CONFIG_LIBBABELTRACE)
645  else
646    msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
647  endif
648endif
649
650ifndef NO_AUXTRACE
651  ifeq ($(feature-get_cpuid), 0)
652    msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
653    NO_AUXTRACE := 1
654  else
655    $(call detected,CONFIG_AUXTRACE)
656    CFLAGS += -DHAVE_AUXTRACE_SUPPORT
657  endif
658endif
659
660# Among the variables below, these:
661#   perfexecdir
662#   template_dir
663#   mandir
664#   infodir
665#   htmldir
666#   ETC_PERFCONFIG (but not sysconfdir)
667# can be specified as a relative path some/where/else;
668# this is interpreted as relative to $(prefix) and "perf" at
669# runtime figures out where they are based on the path to the executable.
670# This can help installing the suite in a relocatable way.
671
672# Make the path relative to DESTDIR, not to prefix
673ifndef DESTDIR
674prefix ?= $(HOME)
675endif
676bindir_relative = bin
677bindir = $(abspath $(prefix)/$(bindir_relative))
678mandir = share/man
679infodir = share/info
680perfexecdir = libexec/perf-core
681sharedir = $(prefix)/share
682template_dir = share/perf-core/templates
683STRACE_GROUPS_DIR = share/perf-core/strace/groups
684htmldir = share/doc/perf-doc
685ifeq ($(prefix),/usr)
686sysconfdir = /etc
687ETC_PERFCONFIG = $(sysconfdir)/perfconfig
688else
689sysconfdir = $(prefix)/etc
690ETC_PERFCONFIG = etc/perfconfig
691endif
692ifndef lib
693ifeq ($(ARCH)$(IS_64_BIT), x861)
694lib = lib64
695else
696lib = lib
697endif
698endif # lib
699libdir = $(prefix)/$(lib)
700
701# Shell quote (do not use $(call) to accommodate ancient setups);
702ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
703STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
704DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
705bindir_SQ = $(subst ','\'',$(bindir))
706mandir_SQ = $(subst ','\'',$(mandir))
707infodir_SQ = $(subst ','\'',$(infodir))
708perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
709template_dir_SQ = $(subst ','\'',$(template_dir))
710htmldir_SQ = $(subst ','\'',$(htmldir))
711prefix_SQ = $(subst ','\'',$(prefix))
712sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
713libdir_SQ = $(subst ','\'',$(libdir))
714
715ifneq ($(filter /%,$(firstword $(perfexecdir))),)
716perfexec_instdir = $(perfexecdir)
717STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
718else
719perfexec_instdir = $(prefix)/$(perfexecdir)
720STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
721endif
722perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
723STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
724
725# If we install to $(HOME) we keep the traceevent default:
726# $(HOME)/.traceevent/plugins
727# Otherwise we install plugins into the global $(libdir).
728ifdef DESTDIR
729plugindir=$(libdir)/traceevent/plugins
730plugindir_SQ= $(subst ','\'',$(plugindir))
731endif
732
733print_var = $(eval $(print_var_code)) $(info $(MSG))
734define print_var_code
735    MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
736endef
737
738ifeq ($(VF),1)
739  $(call print_var,prefix)
740  $(call print_var,bindir)
741  $(call print_var,libdir)
742  $(call print_var,sysconfdir)
743  $(call print_var,LIBUNWIND_DIR)
744  $(call print_var,LIBDW_DIR)
745  $(info )
746endif
747
748$(call detected_var,bindir_SQ)
749$(call detected_var,PYTHON_WORD)
750ifneq ($(OUTPUT),)
751$(call detected_var,OUTPUT)
752endif
753$(call detected_var,htmldir_SQ)
754$(call detected_var,infodir_SQ)
755$(call detected_var,mandir_SQ)
756$(call detected_var,ETC_PERFCONFIG_SQ)
757$(call detected_var,STRACE_GROUPS_DIR_SQ)
758$(call detected_var,prefix_SQ)
759$(call detected_var,perfexecdir_SQ)
760$(call detected_var,LIBDIR)
761$(call detected_var,GTK_CFLAGS)
762$(call detected_var,PERL_EMBED_CCOPTS)
763$(call detected_var,PYTHON_EMBED_CCOPTS)
764