xref: /openbmc/linux/tools/perf/Makefile.config (revision f8a11425) 
1# SPDX-License-Identifier: GPL-2.0-only
2
3ifeq ($(src-perf),)
4src-perf := $(srctree)/tools/perf
5endif
6
7ifeq ($(obj-perf),)
8obj-perf := $(OUTPUT)
9endif
10
11ifneq ($(obj-perf),)
12obj-perf := $(abspath $(obj-perf))/
13endif
14
15$(shell printf "" > $(OUTPUT).config-detected)
16detected     = $(shell echo "$(1)=y"       >> $(OUTPUT).config-detected)
17detected_var = $(shell echo "$(1)=$($(1))" >> $(OUTPUT).config-detected)
18
19CFLAGS := $(EXTRA_CFLAGS) $(filter-out -Wnested-externs,$(EXTRA_WARNINGS))
20
21include $(srctree)/tools/scripts/Makefile.arch
22
23$(call detected_var,SRCARCH)
24
25NO_PERF_REGS := 1
26
27ifneq ($(NO_SYSCALL_TABLE),1)
28  NO_SYSCALL_TABLE := 1
29
30  ifeq ($(SRCARCH),x86)
31    ifeq (${IS_64_BIT}, 1)
32      NO_SYSCALL_TABLE := 0
33    endif
34  else
35    ifeq ($(SRCARCH),$(filter $(SRCARCH),powerpc arm64 s390 mips))
36      NO_SYSCALL_TABLE := 0
37    endif
38  endif
39
40  ifneq ($(NO_SYSCALL_TABLE),1)
41    CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT
42  endif
43endif
44
45# Additional ARCH settings for ppc
46ifeq ($(SRCARCH),powerpc)
47  NO_PERF_REGS := 0
48  CFLAGS += -I$(OUTPUT)arch/powerpc/include/generated
49  LIBUNWIND_LIBS := -lunwind -lunwind-ppc64
50endif
51
52# Additional ARCH settings for x86
53ifeq ($(SRCARCH),x86)
54  $(call detected,CONFIG_X86)
55  ifeq (${IS_64_BIT}, 1)
56    CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT -I$(OUTPUT)arch/x86/include/generated
57    ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
58    LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind -llzma
59    $(call detected,CONFIG_X86_64)
60  else
61    LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind
62  endif
63  NO_PERF_REGS := 0
64endif
65
66ifeq ($(SRCARCH),arm)
67  NO_PERF_REGS := 0
68  LIBUNWIND_LIBS = -lunwind -lunwind-arm
69endif
70
71ifeq ($(SRCARCH),arm64)
72  NO_PERF_REGS := 0
73  CFLAGS += -I$(OUTPUT)arch/arm64/include/generated
74  LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
75endif
76
77ifeq ($(SRCARCH),riscv)
78  NO_PERF_REGS := 0
79endif
80
81ifeq ($(SRCARCH),csky)
82  NO_PERF_REGS := 0
83endif
84
85ifeq ($(ARCH),s390)
86  NO_PERF_REGS := 0
87  CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated
88endif
89
90ifeq ($(ARCH),mips)
91  NO_PERF_REGS := 0
92  CFLAGS += -I$(OUTPUT)arch/mips/include/generated
93  CFLAGS += -I../../arch/mips/include/uapi -I../../arch/mips/include/generated/uapi
94  LIBUNWIND_LIBS = -lunwind -lunwind-mips
95endif
96
97ifeq ($(NO_PERF_REGS),0)
98  $(call detected,CONFIG_PERF_REGS)
99endif
100
101# So far there's only x86 and arm libdw unwind support merged in perf.
102# Disable it on all other architectures in case libdw unwind
103# support is detected in system. Add supported architectures
104# to the check.
105ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390 csky riscv))
106  NO_LIBDW_DWARF_UNWIND := 1
107endif
108
109ifeq ($(LIBUNWIND_LIBS),)
110  NO_LIBUNWIND := 1
111endif
112#
113# For linking with debug library, run like:
114#
115#   make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
116#
117
118libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
119define libunwind_arch_set_flags_code
120  FEATURE_CHECK_CFLAGS-libunwind-$(1)  = -I$(LIBUNWIND_DIR)/include
121  FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
122endef
123
124ifdef LIBUNWIND_DIR
125  LIBUNWIND_CFLAGS  = -I$(LIBUNWIND_DIR)/include
126  LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
127  LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64
128  $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
129endif
130
131# Set per-feature check compilation flags
132FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
133FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
134FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
135FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
136
137FEATURE_CHECK_LDFLAGS-libunwind-arm = -lunwind -lunwind-arm
138FEATURE_CHECK_LDFLAGS-libunwind-aarch64 = -lunwind -lunwind-aarch64
139FEATURE_CHECK_LDFLAGS-libunwind-x86 = -lunwind -llzma -lunwind-x86
140FEATURE_CHECK_LDFLAGS-libunwind-x86_64 = -lunwind -llzma -lunwind-x86_64
141
142FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto
143
144ifdef CSINCLUDES
145  LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)
146endif
147OPENCSDLIBS := -lopencsd_c_api -lopencsd
148ifdef CSLIBS
149  LIBOPENCSD_LDFLAGS := -L$(CSLIBS)
150endif
151FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS)
152FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS)
153
154ifeq ($(NO_PERF_REGS),0)
155  CFLAGS += -DHAVE_PERF_REGS_SUPPORT
156endif
157
158# for linking with debug library, run like:
159# make DEBUG=1 LIBDW_DIR=/opt/libdw/
160ifdef LIBDW_DIR
161  LIBDW_CFLAGS  := -I$(LIBDW_DIR)/include
162  LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
163endif
164DWARFLIBS := -ldw
165ifeq ($(findstring -static,${LDFLAGS}),-static)
166  DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2
167endif
168FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
169FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS)
170
171# for linking with debug library, run like:
172# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
173ifdef LIBBABELTRACE_DIR
174  LIBBABELTRACE_CFLAGS  := -I$(LIBBABELTRACE_DIR)/include
175  LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
176endif
177FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
178FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
179
180ifdef LIBZSTD_DIR
181  LIBZSTD_CFLAGS  := -I$(LIBZSTD_DIR)/lib
182  LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib
183endif
184FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS)
185FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS)
186
187FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi
188# include ARCH specific config
189-include $(src-perf)/arch/$(SRCARCH)/Makefile
190
191ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
192  CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
193endif
194
195include $(srctree)/tools/scripts/utilities.mak
196
197ifeq ($(call get-executable,$(FLEX)),)
198  dummy := $(error Error: $(FLEX) is missing on this system, please install it)
199endif
200
201ifeq ($(call get-executable,$(BISON)),)
202  dummy := $(error Error: $(BISON) is missing on this system, please install it)
203endif
204
205# Treat warnings as errors unless directed not to
206ifneq ($(WERROR),0)
207  CORE_CFLAGS += -Werror
208  CXXFLAGS += -Werror
209endif
210
211ifndef DEBUG
212  DEBUG := 0
213endif
214
215ifeq ($(DEBUG),0)
216ifeq ($(CC_NO_CLANG), 0)
217  CORE_CFLAGS += -O3
218else
219  CORE_CFLAGS += -O6
220endif
221endif
222
223ifdef PARSER_DEBUG
224  PARSER_DEBUG_BISON := -t
225  PARSER_DEBUG_FLEX  := -d
226  CFLAGS             += -DPARSER_DEBUG
227  $(call detected_var,PARSER_DEBUG_BISON)
228  $(call detected_var,PARSER_DEBUG_FLEX)
229endif
230
231# Try different combinations to accommodate systems that only have
232# python[2][-config] in weird combinations but always preferring
233# python2 and python2-config as per pep-0394. If python2 or python
234# aren't found, then python3 is used.
235PYTHON_AUTO := python
236PYTHON_AUTO := $(if $(call get-executable,python3),python3,$(PYTHON_AUTO))
237PYTHON_AUTO := $(if $(call get-executable,python),python,$(PYTHON_AUTO))
238PYTHON_AUTO := $(if $(call get-executable,python2),python2,$(PYTHON_AUTO))
239override PYTHON := $(call get-executable-or-default,PYTHON,$(PYTHON_AUTO))
240PYTHON_AUTO_CONFIG := \
241  $(if $(call get-executable,$(PYTHON)-config),$(PYTHON)-config,python-config)
242override PYTHON_CONFIG := \
243  $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON_AUTO_CONFIG))
244
245grep-libs  = $(filter -l%,$(1))
246strip-libs  = $(filter-out -l%,$(1))
247
248PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
249
250# Python 3.8 changed the output of `python-config --ldflags` to not include the
251# '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for
252# libpython fails if that flag is not included in LDFLAGS
253ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0)
254  PYTHON_CONFIG_LDFLAGS := --ldflags --embed
255else
256  PYTHON_CONFIG_LDFLAGS := --ldflags
257endif
258
259ifdef PYTHON_CONFIG
260  PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) $(PYTHON_CONFIG_LDFLAGS) 2>/dev/null)
261  PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
262  PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
263  PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null)
264  FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
265endif
266
267FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
268FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
269FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
270FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
271
272FEATURE_CHECK_LDFLAGS-libaio = -lrt
273
274FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes -ldl
275
276CORE_CFLAGS += -fno-omit-frame-pointer
277CORE_CFLAGS += -ggdb3
278CORE_CFLAGS += -funwind-tables
279CORE_CFLAGS += -Wall
280CORE_CFLAGS += -Wextra
281CORE_CFLAGS += -std=gnu99
282
283CXXFLAGS += -std=gnu++11 -fno-exceptions -fno-rtti
284CXXFLAGS += -Wall
285CXXFLAGS += -fno-omit-frame-pointer
286CXXFLAGS += -ggdb3
287CXXFLAGS += -funwind-tables
288CXXFLAGS += -Wno-strict-aliasing
289
290# Enforce a non-executable stack, as we may regress (again) in the future by
291# adding assembler files missing the .GNU-stack linker note.
292LDFLAGS += -Wl,-z,noexecstack
293
294EXTLIBS = -lpthread -lrt -lm -ldl
295
296ifneq ($(TCMALLOC),)
297  CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free
298  EXTLIBS += -ltcmalloc
299endif
300
301ifeq ($(FEATURES_DUMP),)
302# We will display at the end of this Makefile.config, using $(call feature_display_entries)
303# As we may retry some feature detection here, see the disassembler-four-args case, for instance
304  FEATURE_DISPLAY_DEFERRED := 1
305include $(srctree)/tools/build/Makefile.feature
306else
307include $(FEATURES_DUMP)
308endif
309
310ifeq ($(feature-stackprotector-all), 1)
311  CORE_CFLAGS += -fstack-protector-all
312endif
313
314ifeq ($(DEBUG),0)
315  ifeq ($(feature-fortify-source), 1)
316    CORE_CFLAGS += -D_FORTIFY_SOURCE=2
317  endif
318endif
319
320INC_FLAGS += -I$(srctree)/tools/lib/perf/include
321INC_FLAGS += -I$(src-perf)/util/include
322INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
323INC_FLAGS += -I$(srctree)/tools/include/
324INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
325INC_FLAGS += -I$(srctree)/tools/include/uapi
326INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
327INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
328
329# $(obj-perf)      for generated common-cmds.h
330# $(obj-perf)/util for generated bison/flex headers
331ifneq ($(OUTPUT),)
332INC_FLAGS += -I$(obj-perf)/util
333INC_FLAGS += -I$(obj-perf)
334endif
335
336INC_FLAGS += -I$(src-perf)/util
337INC_FLAGS += -I$(src-perf)
338INC_FLAGS += -I$(srctree)/tools/lib/
339
340CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
341
342CFLAGS   += $(CORE_CFLAGS) $(INC_FLAGS)
343CXXFLAGS += $(INC_FLAGS)
344
345LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS)
346
347ifeq ($(feature-sync-compare-and-swap), 1)
348  CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
349endif
350
351ifeq ($(feature-pthread-attr-setaffinity-np), 1)
352  CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
353endif
354
355ifeq ($(feature-pthread-barrier), 1)
356  CFLAGS += -DHAVE_PTHREAD_BARRIER
357endif
358
359ifndef NO_BIONIC
360  $(call feature_check,bionic)
361  ifeq ($(feature-bionic), 1)
362    BIONIC := 1
363    CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE
364    CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE
365    EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
366    EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
367  endif
368endif
369
370ifeq ($(feature-eventfd), 1)
371  CFLAGS += -DHAVE_EVENTFD_SUPPORT
372endif
373
374ifeq ($(feature-get_current_dir_name), 1)
375  CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME
376endif
377
378ifeq ($(feature-gettid), 1)
379  CFLAGS += -DHAVE_GETTID
380endif
381
382ifeq ($(feature-file-handle), 1)
383  CFLAGS += -DHAVE_FILE_HANDLE
384endif
385
386ifdef NO_LIBELF
387  NO_DWARF := 1
388  NO_DEMANGLE := 1
389  NO_LIBUNWIND := 1
390  NO_LIBDW_DWARF_UNWIND := 1
391  NO_LIBBPF := 1
392  NO_JVMTI := 1
393else
394  ifeq ($(feature-libelf), 0)
395    ifeq ($(feature-glibc), 1)
396      LIBC_SUPPORT := 1
397    endif
398    ifeq ($(BIONIC),1)
399      LIBC_SUPPORT := 1
400    endif
401    ifeq ($(LIBC_SUPPORT),1)
402      msg := $(warning No libelf found. Disables 'probe' tool, jvmti and BPF support in 'perf record'. Please install libelf-dev, libelf-devel or elfutils-libelf-devel);
403
404      NO_LIBELF := 1
405      NO_DWARF := 1
406      NO_DEMANGLE := 1
407      NO_LIBUNWIND := 1
408      NO_LIBDW_DWARF_UNWIND := 1
409      NO_LIBBPF := 1
410      NO_JVMTI := 1
411    else
412      ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),)
413        ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0)
414          msg := $(error No libasan found, please install libasan);
415        endif
416      endif
417
418      ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),)
419        ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0)
420          msg := $(error No libubsan found, please install libubsan);
421        endif
422      endif
423
424      ifneq ($(filter s% -static%,$(LDFLAGS),),)
425        msg := $(error No static glibc found, please install glibc-static);
426      else
427        msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
428      endif
429    endif
430  else
431    ifndef NO_LIBDW_DWARF_UNWIND
432      ifneq ($(feature-libdw-dwarf-unwind),1)
433        NO_LIBDW_DWARF_UNWIND := 1
434        msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
435      endif
436    endif
437    ifneq ($(feature-dwarf), 1)
438      ifndef NO_DWARF
439        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);
440        NO_DWARF := 1
441      endif
442    else
443      ifneq ($(feature-dwarf_getlocations), 1)
444        msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
445      else
446        CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT
447      endif # dwarf_getlocations
448    endif # Dwarf support
449  endif # libelf support
450endif # NO_LIBELF
451
452ifeq ($(feature-glibc), 1)
453  CFLAGS += -DHAVE_GLIBC_SUPPORT
454endif
455
456ifeq ($(feature-libaio), 1)
457  ifndef NO_AIO
458    CFLAGS += -DHAVE_AIO_SUPPORT
459  endif
460endif
461
462ifdef NO_DWARF
463  NO_LIBDW_DWARF_UNWIND := 1
464endif
465
466ifeq ($(feature-sched_getcpu), 1)
467  CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
468endif
469
470ifeq ($(feature-setns), 1)
471  CFLAGS += -DHAVE_SETNS_SUPPORT
472  $(call detected,CONFIG_SETNS)
473endif
474
475ifdef CORESIGHT
476  $(call feature_check,libopencsd)
477  ifeq ($(feature-libopencsd), 1)
478    CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
479    ifeq ($(feature-reallocarray), 0)
480      CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
481    endif
482    LDFLAGS += $(LIBOPENCSD_LDFLAGS)
483    EXTLIBS += $(OPENCSDLIBS)
484    $(call detected,CONFIG_LIBOPENCSD)
485    ifdef CSTRACE_RAW
486      CFLAGS += -DCS_DEBUG_RAW
487      ifeq (${CSTRACE_RAW}, packed)
488        CFLAGS += -DCS_RAW_PACKED
489      endif
490    endif
491  endif
492endif
493
494ifndef NO_LIBELF
495  CFLAGS += -DHAVE_LIBELF_SUPPORT
496  EXTLIBS += -lelf
497  $(call detected,CONFIG_LIBELF)
498
499  ifeq ($(feature-libelf-getphdrnum), 1)
500    CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
501  endif
502
503  ifeq ($(feature-libelf-gelf_getnote), 1)
504    CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
505  else
506    msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
507  endif
508
509  ifeq ($(feature-libelf-getshdrstrndx), 1)
510    CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
511  endif
512
513  ifndef NO_LIBDEBUGINFOD
514    $(call feature_check,libdebuginfod)
515    ifeq ($(feature-libdebuginfod), 1)
516      CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT
517      EXTLIBS += -ldebuginfod
518    endif
519  endif
520
521  ifndef NO_DWARF
522    ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
523      msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
524      NO_DWARF := 1
525    else
526      CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
527      LDFLAGS += $(LIBDW_LDFLAGS)
528      EXTLIBS += ${DWARFLIBS}
529      $(call detected,CONFIG_DWARF)
530    endif # PERF_HAVE_DWARF_REGS
531  endif # NO_DWARF
532
533  ifndef NO_LIBBPF
534    ifeq ($(feature-bpf), 1)
535      CFLAGS += -DHAVE_LIBBPF_SUPPORT
536      $(call detected,CONFIG_LIBBPF)
537
538      # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status
539      $(call feature_check,libbpf)
540      ifdef LIBBPF_DYNAMIC
541        ifeq ($(feature-libbpf), 1)
542          EXTLIBS += -lbpf
543          $(call detected,CONFIG_LIBBPF_DYNAMIC)
544        else
545          dummy := $(error Error: No libbpf devel library found, please install libbpf-devel);
546        endif
547      endif
548    endif
549
550    ifndef NO_DWARF
551      ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
552        CFLAGS += -DHAVE_BPF_PROLOGUE
553        $(call detected,CONFIG_BPF_PROLOGUE)
554      else
555        msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset());
556      endif
557    else
558      msg := $(warning DWARF support is off, BPF prologue is disabled);
559    endif
560
561  endif # NO_LIBBPF
562endif # NO_LIBELF
563
564ifndef NO_SDT
565  ifneq ($(feature-sdt), 1)
566    msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
567    NO_SDT := 1;
568  else
569    CFLAGS += -DHAVE_SDT_EVENT
570    $(call detected,CONFIG_SDT_EVENT)
571  endif
572endif
573
574ifdef PERF_HAVE_JITDUMP
575  ifndef NO_LIBELF
576    $(call detected,CONFIG_JITDUMP)
577    CFLAGS += -DHAVE_JITDUMP
578  endif
579endif
580
581ifeq ($(SRCARCH),powerpc)
582  ifndef NO_DWARF
583    CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
584  endif
585endif
586
587ifndef NO_LIBUNWIND
588  have_libunwind :=
589
590  $(call feature_check,libunwind-x86)
591  ifeq ($(feature-libunwind-x86), 1)
592    $(call detected,CONFIG_LIBUNWIND_X86)
593    CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
594    LDFLAGS += -lunwind-x86
595    EXTLIBS_LIBUNWIND += -lunwind-x86
596    have_libunwind = 1
597  endif
598
599  $(call feature_check,libunwind-aarch64)
600  ifeq ($(feature-libunwind-aarch64), 1)
601    $(call detected,CONFIG_LIBUNWIND_AARCH64)
602    CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
603    LDFLAGS += -lunwind-aarch64
604    EXTLIBS_LIBUNWIND += -lunwind-aarch64
605    have_libunwind = 1
606    $(call feature_check,libunwind-debug-frame-aarch64)
607    ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
608      msg := $(warning No debug_frame support found in libunwind-aarch64);
609      CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
610    endif
611  endif
612
613  ifneq ($(feature-libunwind), 1)
614    msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
615    NO_LOCAL_LIBUNWIND := 1
616  else
617    have_libunwind := 1
618    $(call detected,CONFIG_LOCAL_LIBUNWIND)
619  endif
620
621  ifneq ($(have_libunwind), 1)
622    NO_LIBUNWIND := 1
623  endif
624else
625  NO_LOCAL_LIBUNWIND := 1
626endif
627
628ifndef NO_LIBBPF
629  ifneq ($(feature-bpf), 1)
630    msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
631    NO_LIBBPF := 1
632  endif
633endif
634
635ifdef BUILD_BPF_SKEL
636  $(call feature_check,clang-bpf-co-re)
637  ifeq ($(feature-clang-bpf-co-re), 0)
638    dummy := $(error Error: clang too old. Please install recent clang)
639  endif
640  $(call detected,CONFIG_PERF_BPF_SKEL)
641  CFLAGS += -DHAVE_BPF_SKEL
642endif
643
644dwarf-post-unwind := 1
645dwarf-post-unwind-text := BUG
646
647# setup DWARF post unwinder
648ifdef NO_LIBUNWIND
649  ifdef NO_LIBDW_DWARF_UNWIND
650    msg := $(warning Disabling post unwind, no support found.);
651    dwarf-post-unwind := 0
652  else
653    dwarf-post-unwind-text := libdw
654    $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
655  endif
656else
657  dwarf-post-unwind-text := libunwind
658  $(call detected,CONFIG_LIBUNWIND)
659  # Enable libunwind support by default.
660  ifndef NO_LIBDW_DWARF_UNWIND
661    NO_LIBDW_DWARF_UNWIND := 1
662  endif
663endif
664
665ifeq ($(dwarf-post-unwind),1)
666  CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
667  $(call detected,CONFIG_DWARF_UNWIND)
668else
669  NO_DWARF_UNWIND := 1
670endif
671
672ifndef NO_LOCAL_LIBUNWIND
673  ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
674    $(call feature_check,libunwind-debug-frame)
675    ifneq ($(feature-libunwind-debug-frame), 1)
676      msg := $(warning No debug_frame support found in libunwind);
677      CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
678    endif
679  else
680    # non-ARM has no dwarf_find_debug_frame() function:
681    CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
682  endif
683  EXTLIBS += $(LIBUNWIND_LIBS)
684  LDFLAGS += $(LIBUNWIND_LIBS)
685endif
686ifeq ($(findstring -static,${LDFLAGS}),-static)
687  # gcc -static links libgcc_eh which contans piece of libunwind
688  LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
689endif
690
691ifndef NO_LIBUNWIND
692  CFLAGS  += -DHAVE_LIBUNWIND_SUPPORT
693  CFLAGS  += $(LIBUNWIND_CFLAGS)
694  LDFLAGS += $(LIBUNWIND_LDFLAGS)
695  EXTLIBS += $(EXTLIBS_LIBUNWIND)
696endif
697
698ifeq ($(NO_SYSCALL_TABLE),0)
699  $(call detected,CONFIG_TRACE)
700else
701  ifndef NO_LIBAUDIT
702    $(call feature_check,libaudit)
703    ifneq ($(feature-libaudit), 1)
704      msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
705      NO_LIBAUDIT := 1
706    else
707      CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
708      EXTLIBS += -laudit
709      $(call detected,CONFIG_TRACE)
710    endif
711  endif
712endif
713
714ifndef NO_LIBCRYPTO
715  ifneq ($(feature-libcrypto), 1)
716    msg := $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev);
717    NO_LIBCRYPTO := 1
718  else
719    CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
720    EXTLIBS += -lcrypto
721    $(call detected,CONFIG_CRYPTO)
722  endif
723endif
724
725ifdef NO_NEWT
726  NO_SLANG=1
727endif
728
729ifndef NO_SLANG
730  ifneq ($(feature-libslang), 1)
731    ifneq ($(feature-libslang-include-subdir), 1)
732      msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
733      NO_SLANG := 1
734    else
735      CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR
736    endif
737  endif
738  ifndef NO_SLANG
739    # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
740    CFLAGS += -DHAVE_SLANG_SUPPORT
741    EXTLIBS += -lslang
742    $(call detected,CONFIG_SLANG)
743  endif
744endif
745
746ifdef GTK2
747  FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
748  $(call feature_check,gtk2)
749  ifneq ($(feature-gtk2), 1)
750    msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
751    NO_GTK2 := 1
752  else
753    $(call feature_check,gtk2-infobar)
754    ifeq ($(feature-gtk2-infobar), 1)
755      GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
756    endif
757    CFLAGS += -DHAVE_GTK2_SUPPORT
758    GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
759    GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
760    EXTLIBS += -ldl
761  endif
762endif
763
764ifdef NO_LIBPERL
765  CFLAGS += -DNO_LIBPERL
766else
767  PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
768  PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
769  PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
770  PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
771  PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
772  PERL_EMBED_CCOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(PERL_EMBED_CCOPTS))
773  PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
774  FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
775
776  ifneq ($(feature-libperl), 1)
777    CFLAGS += -DNO_LIBPERL
778    NO_LIBPERL := 1
779    msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
780  else
781    LDFLAGS += $(PERL_EMBED_LDFLAGS)
782    EXTLIBS += $(PERL_EMBED_LIBADD)
783    CFLAGS += -DHAVE_LIBPERL_SUPPORT
784    $(call detected,CONFIG_LIBPERL)
785  endif
786endif
787
788ifeq ($(feature-timerfd), 1)
789  CFLAGS += -DHAVE_TIMERFD_SUPPORT
790else
791  msg := $(warning No timerfd support. Disables 'perf kvm stat live');
792endif
793
794disable-python = $(eval $(disable-python_code))
795define disable-python_code
796  CFLAGS += -DNO_LIBPYTHON
797  $(warning $1)
798  NO_LIBPYTHON := 1
799endef
800
801ifdef NO_LIBPYTHON
802  $(call disable-python,Python support disabled by user)
803else
804
805  ifndef PYTHON
806    $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
807  else
808    PYTHON_WORD := $(call shell-wordify,$(PYTHON))
809
810    ifndef PYTHON_CONFIG
811      $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
812    else
813
814      ifneq ($(feature-libpython), 1)
815        $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
816      else
817         LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
818         EXTLIBS += $(PYTHON_EMBED_LIBADD)
819         LANG_BINDINGS += $(obj-perf)python/perf.so
820         CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
821         $(call detected,CONFIG_LIBPYTHON)
822      endif
823    endif
824  endif
825endif
826
827ifeq ($(feature-libbfd), 1)
828  EXTLIBS += -lbfd -lopcodes
829else
830  # we are on a system that requires -liberty and (maybe) -lz
831  # to link against -lbfd; test each case individually here
832
833  # call all detections now so we get correct
834  # status in VF output
835  $(call feature_check,libbfd-liberty)
836  $(call feature_check,libbfd-liberty-z)
837
838  ifeq ($(feature-libbfd-liberty), 1)
839    EXTLIBS += -lbfd -lopcodes -liberty
840    FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl
841  else
842    ifeq ($(feature-libbfd-liberty-z), 1)
843      EXTLIBS += -lbfd -lopcodes -liberty -lz
844      FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl
845    endif
846  endif
847  $(call feature_check,disassembler-four-args)
848endif
849
850ifeq ($(feature-libbfd-buildid), 1)
851  CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT
852else
853  msg := $(warning Old version of libbfd/binutils things like PE executable profiling will not be available);
854endif
855
856ifdef NO_DEMANGLE
857  CFLAGS += -DNO_DEMANGLE
858else
859  ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
860    EXTLIBS += -liberty
861  else
862    ifeq ($(filter -liberty,$(EXTLIBS)),)
863      $(call feature_check,cplus-demangle)
864
865      # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
866      # or any of 'bfd iberty z' trinity
867      ifeq ($(feature-cplus-demangle), 1)
868        EXTLIBS += -liberty
869      else
870        msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
871        CFLAGS += -DNO_DEMANGLE
872      endif
873    endif
874  endif
875
876  ifneq ($(filter -liberty,$(EXTLIBS)),)
877    CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
878  endif
879endif
880
881ifneq ($(filter -lbfd,$(EXTLIBS)),)
882  CFLAGS += -DHAVE_LIBBFD_SUPPORT
883endif
884
885ifndef NO_ZLIB
886  ifeq ($(feature-zlib), 1)
887    CFLAGS += -DHAVE_ZLIB_SUPPORT
888    EXTLIBS += -lz
889    $(call detected,CONFIG_ZLIB)
890  else
891    NO_ZLIB := 1
892  endif
893endif
894
895ifndef NO_LZMA
896  ifeq ($(feature-lzma), 1)
897    CFLAGS += -DHAVE_LZMA_SUPPORT
898    EXTLIBS += -llzma
899    $(call detected,CONFIG_LZMA)
900  else
901    msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
902    NO_LZMA := 1
903  endif
904endif
905
906ifndef NO_LIBZSTD
907  ifeq ($(feature-libzstd), 1)
908    CFLAGS += -DHAVE_ZSTD_SUPPORT
909    CFLAGS += $(LIBZSTD_CFLAGS)
910    LDFLAGS += $(LIBZSTD_LDFLAGS)
911    EXTLIBS += -lzstd
912    $(call detected,CONFIG_ZSTD)
913  else
914    msg := $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR);
915    NO_LIBZSTD := 1
916  endif
917endif
918
919ifndef NO_LIBCAP
920  ifeq ($(feature-libcap), 1)
921    CFLAGS += -DHAVE_LIBCAP_SUPPORT
922    EXTLIBS += -lcap
923    $(call detected,CONFIG_LIBCAP)
924  else
925    msg := $(warning No libcap found, disables capability support, please install libcap-devel/libcap-dev);
926    NO_LIBCAP := 1
927  endif
928endif
929
930ifndef NO_BACKTRACE
931  ifeq ($(feature-backtrace), 1)
932    CFLAGS += -DHAVE_BACKTRACE_SUPPORT
933  endif
934endif
935
936ifndef NO_LIBNUMA
937  ifeq ($(feature-libnuma), 0)
938    msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
939    NO_LIBNUMA := 1
940  else
941    ifeq ($(feature-numa_num_possible_cpus), 0)
942      msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
943      NO_LIBNUMA := 1
944    else
945      CFLAGS += -DHAVE_LIBNUMA_SUPPORT
946      EXTLIBS += -lnuma
947      $(call detected,CONFIG_NUMA)
948    endif
949  endif
950endif
951
952ifdef HAVE_KVM_STAT_SUPPORT
953    CFLAGS += -DHAVE_KVM_STAT_SUPPORT
954endif
955
956ifeq ($(feature-disassembler-four-args), 1)
957    CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
958endif
959
960ifeq (${IS_64_BIT}, 1)
961  ifndef NO_PERF_READ_VDSO32
962    $(call feature_check,compile-32)
963    ifeq ($(feature-compile-32), 1)
964      CFLAGS += -DHAVE_PERF_READ_VDSO32
965    else
966      NO_PERF_READ_VDSO32 := 1
967    endif
968  endif
969  ifneq ($(SRCARCH), x86)
970    NO_PERF_READ_VDSOX32 := 1
971  endif
972  ifndef NO_PERF_READ_VDSOX32
973    $(call feature_check,compile-x32)
974    ifeq ($(feature-compile-x32), 1)
975      CFLAGS += -DHAVE_PERF_READ_VDSOX32
976    else
977      NO_PERF_READ_VDSOX32 := 1
978    endif
979  endif
980else
981  NO_PERF_READ_VDSO32 := 1
982  NO_PERF_READ_VDSOX32 := 1
983endif
984
985ifndef NO_LIBBABELTRACE
986  $(call feature_check,libbabeltrace)
987  ifeq ($(feature-libbabeltrace), 1)
988    CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
989    LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
990    EXTLIBS += -lbabeltrace-ctf
991    $(call detected,CONFIG_LIBBABELTRACE)
992  else
993    msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
994  endif
995endif
996
997ifndef NO_AUXTRACE
998  ifeq ($(SRCARCH),x86)
999    ifeq ($(feature-get_cpuid), 0)
1000      msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
1001      NO_AUXTRACE := 1
1002    endif
1003  endif
1004  ifndef NO_AUXTRACE
1005    $(call detected,CONFIG_AUXTRACE)
1006    CFLAGS += -DHAVE_AUXTRACE_SUPPORT
1007  endif
1008endif
1009
1010ifndef NO_JVMTI
1011  ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
1012    JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
1013  else
1014    ifneq (,$(wildcard /usr/sbin/alternatives))
1015      JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g')
1016    endif
1017  endif
1018  ifndef JDIR
1019    $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
1020    NO_JVMTI := 1
1021  endif
1022endif
1023
1024ifndef NO_JVMTI
1025  FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
1026  $(call feature_check,jvmti)
1027  ifeq ($(feature-jvmti), 1)
1028    $(call detected_var,JDIR)
1029    ifndef NO_JVMTI_CMLR
1030      FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti)
1031      $(call feature_check,jvmti-cmlr)
1032      ifeq ($(feature-jvmti-cmlr), 1)
1033        CFLAGS += -DHAVE_JVMTI_CMLR
1034      endif
1035    endif # NO_JVMTI_CMLR
1036  else
1037    $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel)
1038    NO_JVMTI := 1
1039  endif
1040endif
1041
1042USE_CXX = 0
1043USE_CLANGLLVM = 0
1044ifdef LIBCLANGLLVM
1045  $(call feature_check,cxx)
1046  ifneq ($(feature-cxx), 1)
1047    msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
1048  else
1049    $(call feature_check,llvm)
1050    $(call feature_check,llvm-version)
1051    ifneq ($(feature-llvm), 1)
1052      msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
1053    else
1054      $(call feature_check,clang)
1055      ifneq ($(feature-clang), 1)
1056        msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
1057      else
1058        CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
1059        CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
1060        $(call detected,CONFIG_CXX)
1061        $(call detected,CONFIG_CLANGLLVM)
1062	USE_CXX = 1
1063	USE_LLVM = 1
1064	USE_CLANG = 1
1065        ifneq ($(feature-llvm-version),1)
1066          msg := $(warning This version of LLVM is not tested. May cause build errors)
1067        endif
1068      endif
1069    endif
1070  endif
1071endif
1072
1073ifdef LIBPFM4
1074  $(call feature_check,libpfm4)
1075  ifeq ($(feature-libpfm4), 1)
1076    CFLAGS += -DHAVE_LIBPFM
1077    EXTLIBS += -lpfm
1078    ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1
1079    $(call detected,CONFIG_LIBPFM4)
1080  else
1081    msg := $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev);
1082    NO_LIBPFM4 := 1
1083  endif
1084endif
1085
1086ifdef LIBTRACEEVENT_DYNAMIC
1087  $(call feature_check,libtraceevent)
1088  ifeq ($(feature-libtraceevent), 1)
1089    EXTLIBS += -ltraceevent
1090  else
1091    dummy := $(error Error: No libtraceevent devel library found, please install libtraceevent-devel);
1092  endif
1093endif
1094
1095# Among the variables below, these:
1096#   perfexecdir
1097#   perf_include_dir
1098#   perf_examples_dir
1099#   template_dir
1100#   mandir
1101#   infodir
1102#   htmldir
1103#   ETC_PERFCONFIG (but not sysconfdir)
1104# can be specified as a relative path some/where/else;
1105# this is interpreted as relative to $(prefix) and "perf" at
1106# runtime figures out where they are based on the path to the executable.
1107# This can help installing the suite in a relocatable way.
1108
1109# Make the path relative to DESTDIR, not to prefix
1110ifndef DESTDIR
1111prefix ?= $(HOME)
1112endif
1113bindir_relative = bin
1114bindir = $(abspath $(prefix)/$(bindir_relative))
1115mandir = share/man
1116infodir = share/info
1117perfexecdir = libexec/perf-core
1118perf_include_dir = lib/perf/include
1119perf_examples_dir = lib/perf/examples
1120sharedir = $(prefix)/share
1121template_dir = share/perf-core/templates
1122STRACE_GROUPS_DIR = share/perf-core/strace/groups
1123htmldir = share/doc/perf-doc
1124tipdir = share/doc/perf-tip
1125srcdir = $(srctree)/tools/perf
1126ifeq ($(prefix),/usr)
1127sysconfdir = /etc
1128ETC_PERFCONFIG = $(sysconfdir)/perfconfig
1129else
1130sysconfdir = $(prefix)/etc
1131ETC_PERFCONFIG = etc/perfconfig
1132endif
1133ifndef lib
1134ifeq ($(SRCARCH)$(IS_64_BIT), x861)
1135lib = lib64
1136else
1137lib = lib
1138endif
1139endif # lib
1140libdir = $(prefix)/$(lib)
1141
1142# Shell quote (do not use $(call) to accommodate ancient setups);
1143ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
1144STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
1145DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
1146bindir_SQ = $(subst ','\'',$(bindir))
1147mandir_SQ = $(subst ','\'',$(mandir))
1148infodir_SQ = $(subst ','\'',$(infodir))
1149perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
1150perf_include_dir_SQ = $(subst ','\'',$(perf_include_dir))
1151perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir))
1152template_dir_SQ = $(subst ','\'',$(template_dir))
1153htmldir_SQ = $(subst ','\'',$(htmldir))
1154tipdir_SQ = $(subst ','\'',$(tipdir))
1155prefix_SQ = $(subst ','\'',$(prefix))
1156sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
1157libdir_SQ = $(subst ','\'',$(libdir))
1158srcdir_SQ = $(subst ','\'',$(srcdir))
1159
1160ifneq ($(filter /%,$(firstword $(perfexecdir))),)
1161perfexec_instdir = $(perfexecdir)
1162perf_include_instdir = $(perf_include_dir)
1163perf_examples_instdir = $(perf_examples_dir)
1164STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
1165tip_instdir = $(tipdir)
1166else
1167perfexec_instdir = $(prefix)/$(perfexecdir)
1168perf_include_instdir = $(prefix)/$(perf_include_dir)
1169perf_examples_instdir = $(prefix)/$(perf_examples_dir)
1170STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
1171tip_instdir = $(prefix)/$(tipdir)
1172endif
1173perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
1174perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir))
1175perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir))
1176STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
1177tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
1178
1179# If we install to $(HOME) we keep the traceevent default:
1180# $(HOME)/.traceevent/plugins
1181# Otherwise we install plugins into the global $(libdir).
1182ifdef DESTDIR
1183plugindir=$(libdir)/traceevent/plugins
1184plugindir_SQ= $(subst ','\'',$(plugindir))
1185endif
1186
1187print_var = $(eval $(print_var_code)) $(info $(MSG))
1188define print_var_code
1189    MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
1190endef
1191
1192ifeq ($(VF),1)
1193  # Display EXTRA features which are detected manualy
1194  # from here with feature_check call and thus cannot
1195  # be partof global state output.
1196  $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),))
1197  $(call print_var,prefix)
1198  $(call print_var,bindir)
1199  $(call print_var,libdir)
1200  $(call print_var,sysconfdir)
1201  $(call print_var,LIBUNWIND_DIR)
1202  $(call print_var,LIBDW_DIR)
1203  $(call print_var,JDIR)
1204
1205  ifeq ($(dwarf-post-unwind),1)
1206    $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
1207  endif
1208  $(info )
1209endif
1210
1211$(call detected_var,bindir_SQ)
1212$(call detected_var,PYTHON_WORD)
1213ifneq ($(OUTPUT),)
1214$(call detected_var,OUTPUT)
1215endif
1216$(call detected_var,htmldir_SQ)
1217$(call detected_var,infodir_SQ)
1218$(call detected_var,mandir_SQ)
1219$(call detected_var,ETC_PERFCONFIG_SQ)
1220$(call detected_var,STRACE_GROUPS_DIR_SQ)
1221$(call detected_var,prefix_SQ)
1222$(call detected_var,perfexecdir_SQ)
1223$(call detected_var,perf_include_dir_SQ)
1224$(call detected_var,perf_examples_dir_SQ)
1225$(call detected_var,tipdir_SQ)
1226$(call detected_var,srcdir_SQ)
1227$(call detected_var,LIBDIR)
1228$(call detected_var,GTK_CFLAGS)
1229$(call detected_var,PERL_EMBED_CCOPTS)
1230$(call detected_var,PYTHON_EMBED_CCOPTS)
1231
1232# re-generate FEATURE-DUMP as we may have called feature_check, found out
1233# extra libraries to add to LDFLAGS of some other test and then redo those
1234# tests, see the block about libbfd, disassembler-four-args, for instance.
1235$(shell rm -f $(FEATURE_DUMP_FILENAME))
1236$(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME)))
1237
1238ifeq ($(feature_display),1)
1239  $(call feature_display_entries)
1240endif
1241