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$(srctree)/include/uapi
204CFLAGS += -I$(srctree)/include
205
206# $(obj-perf)      for generated common-cmds.h
207# $(obj-perf)/util for generated bison/flex headers
208ifneq ($(OUTPUT),)
209CFLAGS += -I$(obj-perf)/util
210CFLAGS += -I$(obj-perf)
211endif
212
213CFLAGS += -I$(src-perf)/util
214CFLAGS += -I$(src-perf)
215CFLAGS += -I$(srctree)/tools/lib/
216
217CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
218
219ifeq ($(feature-sync-compare-and-swap), 1)
220  CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
221endif
222
223ifeq ($(feature-pthread-attr-setaffinity-np), 1)
224  CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
225endif
226
227ifndef NO_BIONIC
228  $(call feature_check,bionic)
229  ifeq ($(feature-bionic), 1)
230    BIONIC := 1
231    EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
232    EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
233  endif
234endif
235
236ifdef NO_LIBELF
237  NO_DWARF := 1
238  NO_DEMANGLE := 1
239  NO_LIBUNWIND := 1
240  NO_LIBDW_DWARF_UNWIND := 1
241  NO_LIBBPF := 1
242else
243  ifeq ($(feature-libelf), 0)
244    ifeq ($(feature-glibc), 1)
245      LIBC_SUPPORT := 1
246    endif
247    ifeq ($(BIONIC),1)
248      LIBC_SUPPORT := 1
249    endif
250    ifeq ($(LIBC_SUPPORT),1)
251      msg := $(warning No libelf found, disables 'probe' tool and BPF support in 'perf record', please install elfutils-libelf-devel/libelf-dev);
252
253      NO_LIBELF := 1
254      NO_DWARF := 1
255      NO_DEMANGLE := 1
256      NO_LIBUNWIND := 1
257      NO_LIBDW_DWARF_UNWIND := 1
258      NO_LIBBPF := 1
259    else
260      ifneq ($(filter s% -static%,$(LDFLAGS),),)
261        msg := $(error No static glibc found, please install glibc-static);
262      else
263        msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
264      endif
265    endif
266  else
267    ifndef NO_LIBDW_DWARF_UNWIND
268      ifneq ($(feature-libdw-dwarf-unwind),1)
269        NO_LIBDW_DWARF_UNWIND := 1
270        msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
271      endif
272    endif
273    ifneq ($(feature-dwarf), 1)
274      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);
275      NO_DWARF := 1
276    endif # Dwarf support
277  endif # libelf support
278endif # NO_LIBELF
279
280ifdef NO_DWARF
281  NO_LIBDW_DWARF_UNWIND := 1
282endif
283
284ifndef NO_LIBELF
285  CFLAGS += -DHAVE_LIBELF_SUPPORT
286  EXTLIBS += -lelf
287  $(call detected,CONFIG_LIBELF)
288
289  ifeq ($(feature-libelf-mmap), 1)
290    CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
291  endif
292
293  ifeq ($(feature-libelf-getphdrnum), 1)
294    CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
295  endif
296
297  # include ARCH specific config
298  -include $(src-perf)/arch/$(ARCH)/Makefile
299
300  ifndef NO_DWARF
301    ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
302      msg := $(warning DWARF register mappings have not been defined for architecture $(ARCH), DWARF support disabled);
303      NO_DWARF := 1
304    else
305      CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
306      LDFLAGS += $(LIBDW_LDFLAGS)
307      DWARFLIBS := -ldw
308      ifeq ($(findstring -static,${LDFLAGS}),-static)
309	DWARFLIBS += -lelf -lebl -lz -llzma -lbz2
310      endif
311      EXTLIBS += ${DWARFLIBS}
312      $(call detected,CONFIG_DWARF)
313    endif # PERF_HAVE_DWARF_REGS
314  endif # NO_DWARF
315
316  ifndef NO_LIBBPF
317    ifeq ($(feature-bpf), 1)
318      CFLAGS += -DHAVE_LIBBPF_SUPPORT
319      $(call detected,CONFIG_LIBBPF)
320    endif
321  endif # NO_LIBBPF
322endif # NO_LIBELF
323
324ifeq ($(ARCH),powerpc)
325  ifndef NO_DWARF
326    CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
327  endif
328endif
329
330ifndef NO_LIBUNWIND
331  ifneq ($(feature-libunwind), 1)
332    msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
333    NO_LIBUNWIND := 1
334  endif
335endif
336
337ifndef NO_LIBBPF
338  ifneq ($(feature-bpf), 1)
339    msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
340    NO_LIBBPF := 1
341  endif
342endif
343
344dwarf-post-unwind := 1
345dwarf-post-unwind-text := BUG
346
347# setup DWARF post unwinder
348ifdef NO_LIBUNWIND
349  ifdef NO_LIBDW_DWARF_UNWIND
350    msg := $(warning Disabling post unwind, no support found.);
351    dwarf-post-unwind := 0
352  else
353    dwarf-post-unwind-text := libdw
354    $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
355  endif
356else
357  dwarf-post-unwind-text := libunwind
358  $(call detected,CONFIG_LIBUNWIND)
359  # Enable libunwind support by default.
360  ifndef NO_LIBDW_DWARF_UNWIND
361    NO_LIBDW_DWARF_UNWIND := 1
362  endif
363endif
364
365ifeq ($(dwarf-post-unwind),1)
366  CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
367  $(call detected,CONFIG_DWARF_UNWIND)
368else
369  NO_DWARF_UNWIND := 1
370endif
371
372ifndef NO_LIBUNWIND
373  ifeq ($(ARCH),$(filter $(ARCH),arm arm64))
374    $(call feature_check,libunwind-debug-frame)
375    ifneq ($(feature-libunwind-debug-frame), 1)
376      msg := $(warning No debug_frame support found in libunwind);
377      CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
378    endif
379  else
380    # non-ARM has no dwarf_find_debug_frame() function:
381    CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
382  endif
383  CFLAGS  += -DHAVE_LIBUNWIND_SUPPORT
384  EXTLIBS += $(LIBUNWIND_LIBS)
385  CFLAGS  += $(LIBUNWIND_CFLAGS)
386  LDFLAGS += $(LIBUNWIND_LDFLAGS)
387endif
388
389ifndef NO_LIBAUDIT
390  ifneq ($(feature-libaudit), 1)
391    msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
392    NO_LIBAUDIT := 1
393  else
394    CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
395    EXTLIBS += -laudit
396    $(call detected,CONFIG_AUDIT)
397  endif
398endif
399
400ifdef NO_NEWT
401  NO_SLANG=1
402endif
403
404ifndef NO_SLANG
405  ifneq ($(feature-libslang), 1)
406    msg := $(warning slang not found, disables TUI support. Please install slang-devel or libslang-dev);
407    NO_SLANG := 1
408  else
409    # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
410    CFLAGS += -I/usr/include/slang
411    CFLAGS += -DHAVE_SLANG_SUPPORT
412    EXTLIBS += -lslang
413    $(call detected,CONFIG_SLANG)
414  endif
415endif
416
417ifndef NO_GTK2
418  FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
419  ifneq ($(feature-gtk2), 1)
420    msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
421    NO_GTK2 := 1
422  else
423    ifeq ($(feature-gtk2-infobar), 1)
424      GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
425    endif
426    CFLAGS += -DHAVE_GTK2_SUPPORT
427    GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
428    GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
429    EXTLIBS += -ldl
430  endif
431endif
432
433grep-libs  = $(filter -l%,$(1))
434strip-libs = $(filter-out -l%,$(1))
435
436ifdef NO_LIBPERL
437  CFLAGS += -DNO_LIBPERL
438else
439  PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
440  PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
441  PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
442  PERL_EMBED_CCOPTS = `perl -MExtUtils::Embed -e ccopts 2>/dev/null`
443  FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
444
445  ifneq ($(feature-libperl), 1)
446    CFLAGS += -DNO_LIBPERL
447    NO_LIBPERL := 1
448    msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
449  else
450    LDFLAGS += $(PERL_EMBED_LDFLAGS)
451    EXTLIBS += $(PERL_EMBED_LIBADD)
452    $(call detected,CONFIG_LIBPERL)
453  endif
454endif
455
456ifeq ($(feature-timerfd), 1)
457  CFLAGS += -DHAVE_TIMERFD_SUPPORT
458else
459  msg := $(warning No timerfd support. Disables 'perf kvm stat live');
460endif
461
462disable-python = $(eval $(disable-python_code))
463define disable-python_code
464  CFLAGS += -DNO_LIBPYTHON
465  $(warning $1)
466  NO_LIBPYTHON := 1
467endef
468
469ifdef NO_LIBPYTHON
470  $(call disable-python,Python support disabled by user)
471else
472
473  ifndef PYTHON
474    $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
475  else
476    PYTHON_WORD := $(call shell-wordify,$(PYTHON))
477
478    ifndef PYTHON_CONFIG
479      $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
480    else
481
482      PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
483
484      PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
485      PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
486      PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS))
487      PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
488      FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
489
490      ifneq ($(feature-libpython), 1)
491        $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
492      else
493
494        ifneq ($(feature-libpython-version), 1)
495          $(warning Python 3 is not yet supported; please set)
496          $(warning PYTHON and/or PYTHON_CONFIG appropriately.)
497          $(warning If you also have Python 2 installed, then)
498          $(warning try something like:)
499          $(warning $(and ,))
500          $(warning $(and ,)  make PYTHON=python2)
501          $(warning $(and ,))
502          $(warning Otherwise, disable Python support entirely:)
503          $(warning $(and ,))
504          $(warning $(and ,)  make NO_LIBPYTHON=1)
505          $(warning $(and ,))
506          $(error   $(and ,))
507        else
508          LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
509          EXTLIBS += $(PYTHON_EMBED_LIBADD)
510          LANG_BINDINGS += $(obj-perf)python/perf.so
511          $(call detected,CONFIG_LIBPYTHON)
512        endif
513      endif
514    endif
515  endif
516endif
517
518ifeq ($(feature-libbfd), 1)
519  EXTLIBS += -lbfd
520
521  # call all detections now so we get correct
522  # status in VF output
523  $(call feature_check,liberty)
524  $(call feature_check,liberty-z)
525  $(call feature_check,cplus-demangle)
526
527  ifeq ($(feature-liberty), 1)
528    EXTLIBS += -liberty
529  else
530    ifeq ($(feature-liberty-z), 1)
531      EXTLIBS += -liberty -lz
532    endif
533  endif
534endif
535
536ifdef NO_DEMANGLE
537  CFLAGS += -DNO_DEMANGLE
538else
539  ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
540    EXTLIBS += -liberty
541    CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
542  else
543    ifneq ($(feature-libbfd), 1)
544      ifneq ($(feature-liberty), 1)
545        ifneq ($(feature-liberty-z), 1)
546          # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
547          # or any of 'bfd iberty z' trinity
548          ifeq ($(feature-cplus-demangle), 1)
549            EXTLIBS += -liberty
550            CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
551          else
552            msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
553            CFLAGS += -DNO_DEMANGLE
554          endif
555        endif
556      endif
557    endif
558  endif
559endif
560
561ifneq ($(filter -lbfd,$(EXTLIBS)),)
562  CFLAGS += -DHAVE_LIBBFD_SUPPORT
563endif
564
565ifndef NO_ZLIB
566  ifeq ($(feature-zlib), 1)
567    CFLAGS += -DHAVE_ZLIB_SUPPORT
568    EXTLIBS += -lz
569    $(call detected,CONFIG_ZLIB)
570  else
571    NO_ZLIB := 1
572  endif
573endif
574
575ifndef NO_LZMA
576  ifeq ($(feature-lzma), 1)
577    CFLAGS += -DHAVE_LZMA_SUPPORT
578    EXTLIBS += -llzma
579    $(call detected,CONFIG_LZMA)
580  else
581    msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
582    NO_LZMA := 1
583  endif
584endif
585
586ifndef NO_BACKTRACE
587  ifeq ($(feature-backtrace), 1)
588    CFLAGS += -DHAVE_BACKTRACE_SUPPORT
589  endif
590endif
591
592ifndef NO_LIBNUMA
593  ifeq ($(feature-libnuma), 0)
594    msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
595    NO_LIBNUMA := 1
596  else
597    ifeq ($(feature-numa_num_possible_cpus), 0)
598      msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
599      NO_LIBNUMA := 1
600    else
601      CFLAGS += -DHAVE_LIBNUMA_SUPPORT
602      EXTLIBS += -lnuma
603      $(call detected,CONFIG_NUMA)
604    endif
605  endif
606endif
607
608ifdef HAVE_KVM_STAT_SUPPORT
609    CFLAGS += -DHAVE_KVM_STAT_SUPPORT
610endif
611
612ifeq (${IS_64_BIT}, 1)
613  ifndef NO_PERF_READ_VDSO32
614    $(call feature_check,compile-32)
615    ifeq ($(feature-compile-32), 1)
616      CFLAGS += -DHAVE_PERF_READ_VDSO32
617    else
618      NO_PERF_READ_VDSO32 := 1
619    endif
620  endif
621  ifneq ($(ARCH), x86)
622    NO_PERF_READ_VDSOX32 := 1
623  endif
624  ifndef NO_PERF_READ_VDSOX32
625    $(call feature_check,compile-x32)
626    ifeq ($(feature-compile-x32), 1)
627      CFLAGS += -DHAVE_PERF_READ_VDSOX32
628    else
629      NO_PERF_READ_VDSOX32 := 1
630    endif
631  endif
632else
633  NO_PERF_READ_VDSO32 := 1
634  NO_PERF_READ_VDSOX32 := 1
635endif
636
637ifdef LIBBABELTRACE
638  $(call feature_check,libbabeltrace)
639  ifeq ($(feature-libbabeltrace), 1)
640    CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
641    LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
642    EXTLIBS += -lbabeltrace-ctf
643    $(call detected,CONFIG_LIBBABELTRACE)
644  else
645    msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
646  endif
647endif
648
649ifndef NO_AUXTRACE
650  ifeq ($(feature-get_cpuid), 0)
651    msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
652    NO_AUXTRACE := 1
653  else
654    $(call detected,CONFIG_AUXTRACE)
655    CFLAGS += -DHAVE_AUXTRACE_SUPPORT
656  endif
657endif
658
659# Among the variables below, these:
660#   perfexecdir
661#   template_dir
662#   mandir
663#   infodir
664#   htmldir
665#   ETC_PERFCONFIG (but not sysconfdir)
666# can be specified as a relative path some/where/else;
667# this is interpreted as relative to $(prefix) and "perf" at
668# runtime figures out where they are based on the path to the executable.
669# This can help installing the suite in a relocatable way.
670
671# Make the path relative to DESTDIR, not to prefix
672ifndef DESTDIR
673prefix ?= $(HOME)
674endif
675bindir_relative = bin
676bindir = $(abspath $(prefix)/$(bindir_relative))
677mandir = share/man
678infodir = share/info
679perfexecdir = libexec/perf-core
680sharedir = $(prefix)/share
681template_dir = share/perf-core/templates
682STRACE_GROUPS_DIR = share/perf-core/strace/groups
683htmldir = share/doc/perf-doc
684ifeq ($(prefix),/usr)
685sysconfdir = /etc
686ETC_PERFCONFIG = $(sysconfdir)/perfconfig
687else
688sysconfdir = $(prefix)/etc
689ETC_PERFCONFIG = etc/perfconfig
690endif
691ifndef lib
692ifeq ($(ARCH)$(IS_64_BIT), x861)
693lib = lib64
694else
695lib = lib
696endif
697endif # lib
698libdir = $(prefix)/$(lib)
699
700# Shell quote (do not use $(call) to accommodate ancient setups);
701ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
702STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
703DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
704bindir_SQ = $(subst ','\'',$(bindir))
705mandir_SQ = $(subst ','\'',$(mandir))
706infodir_SQ = $(subst ','\'',$(infodir))
707perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
708template_dir_SQ = $(subst ','\'',$(template_dir))
709htmldir_SQ = $(subst ','\'',$(htmldir))
710prefix_SQ = $(subst ','\'',$(prefix))
711sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
712libdir_SQ = $(subst ','\'',$(libdir))
713
714ifneq ($(filter /%,$(firstword $(perfexecdir))),)
715perfexec_instdir = $(perfexecdir)
716STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
717else
718perfexec_instdir = $(prefix)/$(perfexecdir)
719STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
720endif
721perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
722STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
723
724# If we install to $(HOME) we keep the traceevent default:
725# $(HOME)/.traceevent/plugins
726# Otherwise we install plugins into the global $(libdir).
727ifdef DESTDIR
728plugindir=$(libdir)/traceevent/plugins
729plugindir_SQ= $(subst ','\'',$(plugindir))
730endif
731
732print_var = $(eval $(print_var_code)) $(info $(MSG))
733define print_var_code
734    MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
735endef
736
737ifeq ($(VF),1)
738  $(call print_var,prefix)
739  $(call print_var,bindir)
740  $(call print_var,libdir)
741  $(call print_var,sysconfdir)
742  $(call print_var,LIBUNWIND_DIR)
743  $(call print_var,LIBDW_DIR)
744  $(info )
745endif
746
747$(call detected_var,bindir_SQ)
748$(call detected_var,PYTHON_WORD)
749ifneq ($(OUTPUT),)
750$(call detected_var,OUTPUT)
751endif
752$(call detected_var,htmldir_SQ)
753$(call detected_var,infodir_SQ)
754$(call detected_var,mandir_SQ)
755$(call detected_var,ETC_PERFCONFIG_SQ)
756$(call detected_var,STRACE_GROUPS_DIR_SQ)
757$(call detected_var,prefix_SQ)
758$(call detected_var,perfexecdir_SQ)
759$(call detected_var,LIBDIR)
760$(call detected_var,GTK_CFLAGS)
761$(call detected_var,PERL_EMBED_CCOPTS)
762$(call detected_var,PYTHON_EMBED_CCOPTS)
763