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 echo -n > .config-detected)
15detected     = $(shell echo "$(1)=y"       >> .config-detected)
16detected_var = $(shell echo "$(1)=$($(1))" >> .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    $(call detected,CONFIG_X86_64)
34  else
35    LIBUNWIND_LIBS = -lunwind -lunwind-x86
36  endif
37  NO_PERF_REGS := 0
38endif
39
40ifeq ($(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
109# include ARCH specific config
110-include $(src-perf)/arch/$(ARCH)/Makefile
111
112include $(src-perf)/config/utilities.mak
113
114ifeq ($(call get-executable,$(FLEX)),)
115  dummy := $(error Error: $(FLEX) is missing on this system, please install it)
116endif
117
118ifeq ($(call get-executable,$(BISON)),)
119  dummy := $(error Error: $(BISON) is missing on this system, please install it)
120endif
121
122# Treat warnings as errors unless directed not to
123ifneq ($(WERROR),0)
124  CFLAGS += -Werror
125endif
126
127ifndef DEBUG
128  DEBUG := 0
129endif
130
131ifeq ($(DEBUG),0)
132  CFLAGS += -O6
133endif
134
135ifdef PARSER_DEBUG
136  PARSER_DEBUG_BISON := -t
137  PARSER_DEBUG_FLEX  := -d
138  CFLAGS             += -DPARSER_DEBUG
139  $(call detected_var,PARSER_DEBUG_BISON)
140  $(call detected_var,PARSER_DEBUG_FLEX)
141endif
142
143ifndef NO_LIBPYTHON
144  # Try different combinations to accommodate systems that only have
145  # python[2][-config] in weird combinations but always preferring
146  # python2 and python2-config as per pep-0394. If we catch a
147  # python[-config] in version 3, the version check will kill it.
148  PYTHON2 := $(if $(call get-executable,python2),python2,python)
149  override PYTHON := $(call get-executable-or-default,PYTHON,$(PYTHON2))
150  PYTHON2_CONFIG := \
151    $(if $(call get-executable,$(PYTHON)-config),$(PYTHON)-config,python-config)
152  override PYTHON_CONFIG := \
153    $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON2_CONFIG))
154
155  PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
156
157  PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
158  PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
159
160  FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
161  FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
162  FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
163  FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
164endif
165
166CFLAGS += -fno-omit-frame-pointer
167CFLAGS += -ggdb3
168CFLAGS += -funwind-tables
169CFLAGS += -Wall
170CFLAGS += -Wextra
171CFLAGS += -std=gnu99
172
173# Enforce a non-executable stack, as we may regress (again) in the future by
174# adding assembler files missing the .GNU-stack linker note.
175LDFLAGS += -Wl,-z,noexecstack
176
177EXTLIBS = -lpthread -lrt -lm -ldl
178
179include $(srctree)/tools/build/Makefile.feature
180
181ifeq ($(feature-stackprotector-all), 1)
182  CFLAGS += -fstack-protector-all
183endif
184
185ifeq ($(DEBUG),0)
186  ifeq ($(feature-fortify-source), 1)
187    CFLAGS += -D_FORTIFY_SOURCE=2
188  endif
189endif
190
191CFLAGS += -I$(src-perf)/util/include
192CFLAGS += -I$(src-perf)/arch/$(ARCH)/include
193CFLAGS += -I$(srctree)/tools/include/
194CFLAGS += -I$(srctree)/arch/$(ARCH)/include/uapi
195CFLAGS += -I$(srctree)/arch/$(ARCH)/include
196CFLAGS += -I$(srctree)/include/uapi
197CFLAGS += -I$(srctree)/include
198
199# $(obj-perf)      for generated common-cmds.h
200# $(obj-perf)/util for generated bison/flex headers
201ifneq ($(OUTPUT),)
202CFLAGS += -I$(obj-perf)/util
203CFLAGS += -I$(obj-perf)
204endif
205
206CFLAGS += -I$(src-perf)/util
207CFLAGS += -I$(src-perf)
208CFLAGS += -I$(srctree)/tools/lib/
209
210CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
211
212ifeq ($(feature-sync-compare-and-swap), 1)
213  CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
214endif
215
216ifeq ($(feature-pthread-attr-setaffinity-np), 1)
217  CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
218endif
219
220ifndef NO_BIONIC
221  $(call feature_check,bionic)
222  ifeq ($(feature-bionic), 1)
223    BIONIC := 1
224    EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
225    EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
226  endif
227endif
228
229ifdef NO_LIBELF
230  NO_DWARF := 1
231  NO_DEMANGLE := 1
232  NO_LIBUNWIND := 1
233  NO_LIBDW_DWARF_UNWIND := 1
234else
235  ifeq ($(feature-libelf), 0)
236    ifeq ($(feature-glibc), 1)
237      LIBC_SUPPORT := 1
238    endif
239    ifeq ($(BIONIC),1)
240      LIBC_SUPPORT := 1
241    endif
242    ifeq ($(LIBC_SUPPORT),1)
243      msg := $(warning No libelf found, disables 'probe' tool, please install elfutils-libelf-devel/libelf-dev);
244
245      NO_LIBELF := 1
246      NO_DWARF := 1
247      NO_DEMANGLE := 1
248      NO_LIBUNWIND := 1
249      NO_LIBDW_DWARF_UNWIND := 1
250    else
251      ifneq ($(filter s% -static%,$(LDFLAGS),),)
252        msg := $(error No static glibc found, please install glibc-static);
253      else
254        msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
255      endif
256    endif
257  else
258    ifndef NO_LIBDW_DWARF_UNWIND
259      ifneq ($(feature-libdw-dwarf-unwind),1)
260        NO_LIBDW_DWARF_UNWIND := 1
261        msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
262      endif
263    endif
264    ifneq ($(feature-dwarf), 1)
265      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);
266      NO_DWARF := 1
267    endif # Dwarf support
268  endif # libelf support
269endif # NO_LIBELF
270
271ifndef NO_LIBELF
272  CFLAGS += -DHAVE_LIBELF_SUPPORT
273  EXTLIBS += -lelf
274  $(call detected,CONFIG_LIBELF)
275
276  ifeq ($(feature-libelf-mmap), 1)
277    CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
278  endif
279
280  ifeq ($(feature-libelf-getphdrnum), 1)
281    CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
282  endif
283
284  # include ARCH specific config
285  -include $(src-perf)/arch/$(ARCH)/Makefile
286
287  ifndef NO_DWARF
288    ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
289      msg := $(warning DWARF register mappings have not been defined for architecture $(ARCH), DWARF support disabled);
290      NO_DWARF := 1
291    else
292      CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
293      LDFLAGS += $(LIBDW_LDFLAGS)
294      EXTLIBS += -ldw
295      $(call detected,CONFIG_DWARF)
296    endif # PERF_HAVE_DWARF_REGS
297  endif # NO_DWARF
298endif # NO_LIBELF
299
300ifeq ($(ARCH),powerpc)
301  ifndef NO_DWARF
302    CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
303  endif
304endif
305
306ifndef NO_LIBUNWIND
307  ifneq ($(feature-libunwind), 1)
308    msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
309    NO_LIBUNWIND := 1
310  endif
311endif
312
313dwarf-post-unwind := 1
314dwarf-post-unwind-text := BUG
315
316# setup DWARF post unwinder
317ifdef NO_LIBUNWIND
318  ifdef NO_LIBDW_DWARF_UNWIND
319    msg := $(warning Disabling post unwind, no support found.);
320    dwarf-post-unwind := 0
321  else
322    dwarf-post-unwind-text := libdw
323    $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
324  endif
325else
326  dwarf-post-unwind-text := libunwind
327  $(call detected,CONFIG_LIBUNWIND)
328  # Enable libunwind support by default.
329  ifndef NO_LIBDW_DWARF_UNWIND
330    NO_LIBDW_DWARF_UNWIND := 1
331  endif
332endif
333
334ifeq ($(dwarf-post-unwind),1)
335  CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
336  $(call detected,CONFIG_DWARF_UNWIND)
337else
338  NO_DWARF_UNWIND := 1
339endif
340
341ifndef NO_LIBUNWIND
342  ifeq ($(ARCH),$(filter $(ARCH),arm arm64))
343    $(call feature_check,libunwind-debug-frame)
344    ifneq ($(feature-libunwind-debug-frame), 1)
345      msg := $(warning No debug_frame support found in libunwind);
346      CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
347    endif
348  else
349    # non-ARM has no dwarf_find_debug_frame() function:
350    CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
351  endif
352  CFLAGS  += -DHAVE_LIBUNWIND_SUPPORT
353  EXTLIBS += $(LIBUNWIND_LIBS)
354  CFLAGS  += $(LIBUNWIND_CFLAGS)
355  LDFLAGS += $(LIBUNWIND_LDFLAGS)
356endif
357
358ifndef NO_LIBAUDIT
359  ifneq ($(feature-libaudit), 1)
360    msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
361    NO_LIBAUDIT := 1
362  else
363    CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
364    EXTLIBS += -laudit
365    $(call detected,CONFIG_AUDIT)
366  endif
367endif
368
369ifdef NO_NEWT
370  NO_SLANG=1
371endif
372
373ifndef NO_SLANG
374  ifneq ($(feature-libslang), 1)
375    msg := $(warning slang not found, disables TUI support. Please install slang-devel or libslang-dev);
376    NO_SLANG := 1
377  else
378    # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
379    CFLAGS += -I/usr/include/slang
380    CFLAGS += -DHAVE_SLANG_SUPPORT
381    EXTLIBS += -lslang
382    $(call detected,CONFIG_SLANG)
383  endif
384endif
385
386ifndef NO_GTK2
387  FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
388  ifneq ($(feature-gtk2), 1)
389    msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
390    NO_GTK2 := 1
391  else
392    ifeq ($(feature-gtk2-infobar), 1)
393      GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
394    endif
395    CFLAGS += -DHAVE_GTK2_SUPPORT
396    GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
397    GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
398    EXTLIBS += -ldl
399  endif
400endif
401
402grep-libs  = $(filter -l%,$(1))
403strip-libs = $(filter-out -l%,$(1))
404
405ifdef NO_LIBPERL
406  CFLAGS += -DNO_LIBPERL
407else
408  PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
409  PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
410  PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
411  PERL_EMBED_CCOPTS = `perl -MExtUtils::Embed -e ccopts 2>/dev/null`
412  FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
413
414  ifneq ($(feature-libperl), 1)
415    CFLAGS += -DNO_LIBPERL
416    NO_LIBPERL := 1
417    msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
418  else
419    LDFLAGS += $(PERL_EMBED_LDFLAGS)
420    EXTLIBS += $(PERL_EMBED_LIBADD)
421    $(call detected,CONFIG_LIBPERL)
422  endif
423endif
424
425ifeq ($(feature-timerfd), 1)
426  CFLAGS += -DHAVE_TIMERFD_SUPPORT
427else
428  msg := $(warning No timerfd support. Disables 'perf kvm stat live');
429endif
430
431disable-python = $(eval $(disable-python_code))
432define disable-python_code
433  CFLAGS += -DNO_LIBPYTHON
434  $(warning $1)
435  NO_LIBPYTHON := 1
436endef
437
438ifdef NO_LIBPYTHON
439  $(call disable-python,Python support disabled by user)
440else
441
442  ifndef PYTHON
443    $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
444  else
445    PYTHON_WORD := $(call shell-wordify,$(PYTHON))
446
447    ifndef PYTHON_CONFIG
448      $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
449    else
450
451      PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
452
453      PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
454      PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
455      PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS))
456      PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
457      FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
458
459      ifneq ($(feature-libpython), 1)
460        $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
461      else
462
463        ifneq ($(feature-libpython-version), 1)
464          $(warning Python 3 is not yet supported; please set)
465          $(warning PYTHON and/or PYTHON_CONFIG appropriately.)
466          $(warning If you also have Python 2 installed, then)
467          $(warning try something like:)
468          $(warning $(and ,))
469          $(warning $(and ,)  make PYTHON=python2)
470          $(warning $(and ,))
471          $(warning Otherwise, disable Python support entirely:)
472          $(warning $(and ,))
473          $(warning $(and ,)  make NO_LIBPYTHON=1)
474          $(warning $(and ,))
475          $(error   $(and ,))
476        else
477          LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
478          EXTLIBS += $(PYTHON_EMBED_LIBADD)
479          LANG_BINDINGS += $(obj-perf)python/perf.so
480          $(call detected,CONFIG_LIBPYTHON)
481        endif
482      endif
483    endif
484  endif
485endif
486
487ifeq ($(feature-libbfd), 1)
488  EXTLIBS += -lbfd
489
490  # call all detections now so we get correct
491  # status in VF output
492  $(call feature_check,liberty)
493  $(call feature_check,liberty-z)
494  $(call feature_check,cplus-demangle)
495
496  ifeq ($(feature-liberty), 1)
497    EXTLIBS += -liberty
498  else
499    ifeq ($(feature-liberty-z), 1)
500      EXTLIBS += -liberty -lz
501    endif
502  endif
503endif
504
505ifdef NO_DEMANGLE
506  CFLAGS += -DNO_DEMANGLE
507else
508  ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
509    EXTLIBS += -liberty
510    CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
511  else
512    ifneq ($(feature-libbfd), 1)
513      ifneq ($(feature-liberty), 1)
514        ifneq ($(feature-liberty-z), 1)
515          # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
516          # or any of 'bfd iberty z' trinity
517          ifeq ($(feature-cplus-demangle), 1)
518            EXTLIBS += -liberty
519            CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
520          else
521            msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
522            CFLAGS += -DNO_DEMANGLE
523          endif
524        endif
525      endif
526    endif
527  endif
528endif
529
530ifneq ($(filter -lbfd,$(EXTLIBS)),)
531  CFLAGS += -DHAVE_LIBBFD_SUPPORT
532endif
533
534ifndef NO_ZLIB
535  ifeq ($(feature-zlib), 1)
536    CFLAGS += -DHAVE_ZLIB_SUPPORT
537    EXTLIBS += -lz
538    $(call detected,CONFIG_ZLIB)
539  else
540    NO_ZLIB := 1
541  endif
542endif
543
544ifndef NO_LZMA
545  ifeq ($(feature-lzma), 1)
546    CFLAGS += -DHAVE_LZMA_SUPPORT
547    EXTLIBS += -llzma
548    $(call detected,CONFIG_LZMA)
549  else
550    msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
551    NO_LZMA := 1
552  endif
553endif
554
555ifndef NO_BACKTRACE
556  ifeq ($(feature-backtrace), 1)
557    CFLAGS += -DHAVE_BACKTRACE_SUPPORT
558  endif
559endif
560
561ifndef NO_LIBNUMA
562  ifeq ($(feature-libnuma), 0)
563    msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
564    NO_LIBNUMA := 1
565  else
566    CFLAGS += -DHAVE_LIBNUMA_SUPPORT
567    EXTLIBS += -lnuma
568    $(call detected,CONFIG_NUMA)
569  endif
570endif
571
572ifdef HAVE_KVM_STAT_SUPPORT
573    CFLAGS += -DHAVE_KVM_STAT_SUPPORT
574endif
575
576ifeq (${IS_64_BIT}, 1)
577  ifndef NO_PERF_READ_VDSO32
578    $(call feature_check,compile-32)
579    ifeq ($(feature-compile-32), 1)
580      CFLAGS += -DHAVE_PERF_READ_VDSO32
581    else
582      NO_PERF_READ_VDSO32 := 1
583    endif
584  endif
585  ifneq ($(ARCH), x86)
586    NO_PERF_READ_VDSOX32 := 1
587  endif
588  ifndef NO_PERF_READ_VDSOX32
589    $(call feature_check,compile-x32)
590    ifeq ($(feature-compile-x32), 1)
591      CFLAGS += -DHAVE_PERF_READ_VDSOX32
592    else
593      NO_PERF_READ_VDSOX32 := 1
594    endif
595  endif
596else
597  NO_PERF_READ_VDSO32 := 1
598  NO_PERF_READ_VDSOX32 := 1
599endif
600
601ifdef LIBBABELTRACE
602  $(call feature_check,libbabeltrace)
603  ifeq ($(feature-libbabeltrace), 1)
604    CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
605    LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
606    EXTLIBS += -lbabeltrace-ctf
607    $(call detected,CONFIG_LIBBABELTRACE)
608  else
609    msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
610  endif
611endif
612
613# Among the variables below, these:
614#   perfexecdir
615#   template_dir
616#   mandir
617#   infodir
618#   htmldir
619#   ETC_PERFCONFIG (but not sysconfdir)
620# can be specified as a relative path some/where/else;
621# this is interpreted as relative to $(prefix) and "perf" at
622# runtime figures out where they are based on the path to the executable.
623# This can help installing the suite in a relocatable way.
624
625# Make the path relative to DESTDIR, not to prefix
626ifndef DESTDIR
627prefix ?= $(HOME)
628endif
629bindir_relative = bin
630bindir = $(prefix)/$(bindir_relative)
631mandir = share/man
632infodir = share/info
633perfexecdir = libexec/perf-core
634sharedir = $(prefix)/share
635template_dir = share/perf-core/templates
636htmldir = share/doc/perf-doc
637ifeq ($(prefix),/usr)
638sysconfdir = /etc
639ETC_PERFCONFIG = $(sysconfdir)/perfconfig
640else
641sysconfdir = $(prefix)/etc
642ETC_PERFCONFIG = etc/perfconfig
643endif
644ifndef lib
645ifeq ($(ARCH)$(IS_64_BIT), x861)
646lib = lib64
647else
648lib = lib
649endif
650endif # lib
651libdir = $(prefix)/$(lib)
652
653# Shell quote (do not use $(call) to accommodate ancient setups);
654ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
655DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
656bindir_SQ = $(subst ','\'',$(bindir))
657mandir_SQ = $(subst ','\'',$(mandir))
658infodir_SQ = $(subst ','\'',$(infodir))
659perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
660template_dir_SQ = $(subst ','\'',$(template_dir))
661htmldir_SQ = $(subst ','\'',$(htmldir))
662prefix_SQ = $(subst ','\'',$(prefix))
663sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
664libdir_SQ = $(subst ','\'',$(libdir))
665
666ifneq ($(filter /%,$(firstword $(perfexecdir))),)
667perfexec_instdir = $(perfexecdir)
668else
669perfexec_instdir = $(prefix)/$(perfexecdir)
670endif
671perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
672
673# If we install to $(HOME) we keep the traceevent default:
674# $(HOME)/.traceevent/plugins
675# Otherwise we install plugins into the global $(libdir).
676ifdef DESTDIR
677plugindir=$(libdir)/traceevent/plugins
678plugindir_SQ= $(subst ','\'',$(plugindir))
679endif
680
681print_var = $(eval $(print_var_code)) $(info $(MSG))
682define print_var_code
683    MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
684endef
685
686ifeq ($(VF),1)
687  $(call print_var,prefix)
688  $(call print_var,bindir)
689  $(call print_var,libdir)
690  $(call print_var,sysconfdir)
691  $(call print_var,LIBUNWIND_DIR)
692  $(call print_var,LIBDW_DIR)
693  $(info )
694endif
695
696$(call detected_var,bindir_SQ)
697$(call detected_var,PYTHON_WORD)
698ifneq ($(OUTPUT),)
699$(call detected_var,OUTPUT)
700endif
701$(call detected_var,htmldir_SQ)
702$(call detected_var,infodir_SQ)
703$(call detected_var,mandir_SQ)
704$(call detected_var,ETC_PERFCONFIG_SQ)
705$(call detected_var,prefix_SQ)
706$(call detected_var,perfexecdir_SQ)
707$(call detected_var,LIBDIR)
708$(call detected_var,GTK_CFLAGS)
709$(call detected_var,PERL_EMBED_CCOPTS)
710$(call detected_var,PYTHON_EMBED_CCOPTS)
711