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 $(SRCARCH),powerpc arm64 s390 loongarch))
36      NO_SYSCALL_TABLE := 0
37    endif
38  endif
39
40  ifneq ($(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 ($(SRCARCH),loongarch)
78  NO_PERF_REGS := 0
79  CFLAGS += -I$(OUTPUT)arch/loongarch/include/generated
80  LIBUNWIND_LIBS = -lunwind -lunwind-loongarch64
81endif
82
83ifeq ($(SRCARCH),riscv)
84  NO_PERF_REGS := 0
85endif
86
87ifeq ($(SRCARCH),csky)
88  NO_PERF_REGS := 0
89endif
90
91ifeq ($(ARCH),s390)
92  NO_PERF_REGS := 0
93  CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated
94endif
95
96ifeq ($(NO_PERF_REGS),0)
97  $(call detected,CONFIG_PERF_REGS)
98endif
99
100# So far there's only x86 and arm libdw unwind support merged in perf.
101# Disable it on all other architectures in case libdw unwind
102# support is detected in system. Add supported architectures
103# to the check.
104ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390 csky riscv loongarch))
105  NO_LIBDW_DWARF_UNWIND := 1
106endif
107
108ifeq ($(LIBUNWIND_LIBS),)
109  NO_LIBUNWIND := 1
110endif
111#
112# For linking with debug library, run like:
113#
114#   make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
115#
116
117libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
118define libunwind_arch_set_flags_code
119  FEATURE_CHECK_CFLAGS-libunwind-$(1)  = -I$(LIBUNWIND_DIR)/include
120  FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
121endef
122
123ifdef LIBUNWIND_DIR
124  LIBUNWIND_CFLAGS  = -I$(LIBUNWIND_DIR)/include
125  LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
126  LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64 loongarch
127  $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
128endif
129
130# Set per-feature check compilation flags
131FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
132FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
133FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
134FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
135
136FEATURE_CHECK_LDFLAGS-libunwind-arm += -lunwind -lunwind-arm
137FEATURE_CHECK_LDFLAGS-libunwind-aarch64 += -lunwind -lunwind-aarch64
138FEATURE_CHECK_LDFLAGS-libunwind-x86 += -lunwind -llzma -lunwind-x86
139FEATURE_CHECK_LDFLAGS-libunwind-x86_64 += -lunwind -llzma -lunwind-x86_64
140
141FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto
142
143ifdef CSINCLUDES
144  LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)
145endif
146OPENCSDLIBS := -lopencsd_c_api -lopencsd
147ifdef CSLIBS
148  LIBOPENCSD_LDFLAGS := -L$(CSLIBS)
149endif
150FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS)
151FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS)
152
153ifeq ($(NO_PERF_REGS),0)
154  CFLAGS += -DHAVE_PERF_REGS_SUPPORT
155endif
156
157# for linking with debug library, run like:
158# make DEBUG=1 LIBDW_DIR=/opt/libdw/
159ifdef LIBDW_DIR
160  LIBDW_CFLAGS  := -I$(LIBDW_DIR)/include
161  LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
162endif
163DWARFLIBS := -ldw
164ifeq ($(findstring -static,${LDFLAGS}),-static)
165  DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2
166endif
167FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
168FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS)
169
170# for linking with debug library, run like:
171# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
172ifdef LIBBABELTRACE_DIR
173  LIBBABELTRACE_CFLAGS  := -I$(LIBBABELTRACE_DIR)/include
174  LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
175endif
176FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
177FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
178
179ifdef LIBZSTD_DIR
180  LIBZSTD_CFLAGS  := -I$(LIBZSTD_DIR)/lib
181  LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib
182endif
183FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS)
184FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS)
185
186FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi
187# include ARCH specific config
188-include $(src-perf)/arch/$(SRCARCH)/Makefile
189
190ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
191  CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
192endif
193
194include $(srctree)/tools/scripts/utilities.mak
195
196ifeq ($(call get-executable,$(FLEX)),)
197  dummy := $(error Error: $(FLEX) is missing on this system, please install it)
198endif
199
200ifeq ($(call get-executable,$(BISON)),)
201  dummy := $(error Error: $(BISON) is missing on this system, please install it)
202endif
203
204# Treat warnings as errors unless directed not to
205ifneq ($(WERROR),0)
206  CORE_CFLAGS += -Werror
207  CXXFLAGS += -Werror
208endif
209
210ifndef DEBUG
211  DEBUG := 0
212endif
213
214ifeq ($(DEBUG),0)
215ifeq ($(CC_NO_CLANG), 0)
216  CORE_CFLAGS += -O3
217else
218  CORE_CFLAGS += -O6
219endif
220endif
221
222ifdef PARSER_DEBUG
223  PARSER_DEBUG_BISON := -t
224  PARSER_DEBUG_FLEX  := -d
225  CFLAGS             += -DPARSER_DEBUG
226  $(call detected_var,PARSER_DEBUG_BISON)
227  $(call detected_var,PARSER_DEBUG_FLEX)
228endif
229
230# Try different combinations to accommodate systems that only have
231# python[2][3]-config in weird combinations in the following order of
232# priority from lowest to highest:
233#   * python3-config
234#   * python-config
235#   * python2-config as per pep-0394.
236#   * $(PYTHON)-config (If PYTHON is user supplied but PYTHON_CONFIG isn't)
237#
238PYTHON_AUTO := python-config
239PYTHON_AUTO := $(if $(call get-executable,python3-config),python3-config,$(PYTHON_AUTO))
240PYTHON_AUTO := $(if $(call get-executable,python-config),python-config,$(PYTHON_AUTO))
241PYTHON_AUTO := $(if $(call get-executable,python2-config),python2-config,$(PYTHON_AUTO))
242
243# If PYTHON is defined but PYTHON_CONFIG isn't, then take $(PYTHON)-config as if it was the user
244# supplied value for PYTHON_CONFIG. Because it's "user supplied", error out if it doesn't exist.
245ifdef PYTHON
246  ifndef PYTHON_CONFIG
247    PYTHON_CONFIG_AUTO := $(call get-executable,$(PYTHON)-config)
248    PYTHON_CONFIG := $(if $(PYTHON_CONFIG_AUTO),$(PYTHON_CONFIG_AUTO),\
249                          $(call $(error $(PYTHON)-config not found)))
250  endif
251endif
252
253# Select either auto detected python and python-config or use user supplied values if they are
254# defined. get-executable-or-default fails with an error if the first argument is supplied but
255# doesn't exist.
256override PYTHON_CONFIG := $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON_AUTO))
257override PYTHON := $(call get-executable-or-default,PYTHON,$(subst -config,,$(PYTHON_CONFIG)))
258
259grep-libs  = $(filter -l%,$(1))
260strip-libs  = $(filter-out -l%,$(1))
261
262PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
263
264# Python 3.8 changed the output of `python-config --ldflags` to not include the
265# '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for
266# libpython fails if that flag is not included in LDFLAGS
267ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0)
268  PYTHON_CONFIG_LDFLAGS := --ldflags --embed
269else
270  PYTHON_CONFIG_LDFLAGS := --ldflags
271endif
272
273ifdef PYTHON_CONFIG
274  PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) $(PYTHON_CONFIG_LDFLAGS) 2>/dev/null)
275  PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
276  PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
277  PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null)
278  FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
279  ifeq ($(CC_NO_CLANG), 0)
280    PYTHON_EMBED_CCOPTS := $(filter-out -ffat-lto-objects, $(PYTHON_EMBED_CCOPTS))
281  endif
282endif
283
284FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
285FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
286
287FEATURE_CHECK_LDFLAGS-libaio = -lrt
288
289FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes -ldl
290
291CORE_CFLAGS += -fno-omit-frame-pointer
292CORE_CFLAGS += -ggdb3
293CORE_CFLAGS += -funwind-tables
294CORE_CFLAGS += -Wall
295CORE_CFLAGS += -Wextra
296CORE_CFLAGS += -std=gnu99
297
298CXXFLAGS += -std=gnu++11 -fno-exceptions -fno-rtti
299CXXFLAGS += -Wall
300CXXFLAGS += -fno-omit-frame-pointer
301CXXFLAGS += -ggdb3
302CXXFLAGS += -funwind-tables
303CXXFLAGS += -Wno-strict-aliasing
304
305# Enforce a non-executable stack, as we may regress (again) in the future by
306# adding assembler files missing the .GNU-stack linker note.
307LDFLAGS += -Wl,-z,noexecstack
308
309EXTLIBS = -lpthread -lrt -lm -ldl
310
311ifneq ($(TCMALLOC),)
312  CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free
313  EXTLIBS += -ltcmalloc
314endif
315
316ifeq ($(FEATURES_DUMP),)
317include $(srctree)/tools/build/Makefile.feature
318else
319include $(FEATURES_DUMP)
320endif
321
322ifeq ($(feature-stackprotector-all), 1)
323  CORE_CFLAGS += -fstack-protector-all
324endif
325
326ifeq ($(DEBUG),0)
327  ifeq ($(feature-fortify-source), 1)
328    CORE_CFLAGS += -D_FORTIFY_SOURCE=2
329  endif
330endif
331
332INC_FLAGS += -I$(srctree)/tools/lib/perf/include
333INC_FLAGS += -I$(src-perf)/util/include
334INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
335INC_FLAGS += -I$(srctree)/tools/include/
336INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
337INC_FLAGS += -I$(srctree)/tools/include/uapi
338INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
339INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
340
341# $(obj-perf)      for generated common-cmds.h
342# $(obj-perf)/util for generated bison/flex headers
343ifneq ($(OUTPUT),)
344INC_FLAGS += -I$(obj-perf)/util
345INC_FLAGS += -I$(obj-perf)
346endif
347
348INC_FLAGS += -I$(src-perf)/util
349INC_FLAGS += -I$(src-perf)
350INC_FLAGS += -I$(srctree)/tools/lib/
351
352CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
353
354CFLAGS   += $(CORE_CFLAGS) $(INC_FLAGS)
355CXXFLAGS += $(INC_FLAGS)
356
357LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS)
358
359ifeq ($(feature-sync-compare-and-swap), 1)
360  CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
361endif
362
363ifeq ($(feature-pthread-attr-setaffinity-np), 1)
364  CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
365endif
366
367ifeq ($(feature-pthread-barrier), 1)
368  CFLAGS += -DHAVE_PTHREAD_BARRIER
369endif
370
371ifndef NO_BIONIC
372  $(call feature_check,bionic)
373  ifeq ($(feature-bionic), 1)
374    BIONIC := 1
375    CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE
376    CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE
377    EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
378    EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
379  endif
380endif
381
382ifeq ($(feature-eventfd), 1)
383  CFLAGS += -DHAVE_EVENTFD_SUPPORT
384endif
385
386ifeq ($(feature-get_current_dir_name), 1)
387  CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME
388endif
389
390ifeq ($(feature-gettid), 1)
391  CFLAGS += -DHAVE_GETTID
392endif
393
394ifeq ($(feature-file-handle), 1)
395  CFLAGS += -DHAVE_FILE_HANDLE
396endif
397
398ifdef NO_LIBELF
399  NO_DWARF := 1
400  NO_DEMANGLE := 1
401  NO_LIBUNWIND := 1
402  NO_LIBDW_DWARF_UNWIND := 1
403  NO_LIBBPF := 1
404  NO_JVMTI := 1
405else
406  ifeq ($(feature-libelf), 0)
407    ifeq ($(feature-glibc), 1)
408      LIBC_SUPPORT := 1
409    endif
410    ifeq ($(BIONIC),1)
411      LIBC_SUPPORT := 1
412    endif
413    ifeq ($(LIBC_SUPPORT),1)
414      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);
415
416      NO_LIBELF := 1
417      NO_DWARF := 1
418      NO_DEMANGLE := 1
419      NO_LIBUNWIND := 1
420      NO_LIBDW_DWARF_UNWIND := 1
421      NO_LIBBPF := 1
422      NO_JVMTI := 1
423    else
424      ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),)
425        ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0)
426          msg := $(error No libasan found, please install libasan);
427        endif
428      endif
429
430      ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),)
431        ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0)
432          msg := $(error No libubsan found, please install libubsan);
433        endif
434      endif
435
436      ifneq ($(filter s% -static%,$(LDFLAGS),),)
437        msg := $(error No static glibc found, please install glibc-static);
438      else
439        msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
440      endif
441    endif
442  else
443    ifndef NO_LIBDW_DWARF_UNWIND
444      ifneq ($(feature-libdw-dwarf-unwind),1)
445        NO_LIBDW_DWARF_UNWIND := 1
446        msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
447      endif
448    endif
449    ifneq ($(feature-dwarf), 1)
450      ifndef NO_DWARF
451        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);
452        NO_DWARF := 1
453      endif
454    else
455      ifneq ($(feature-dwarf_getlocations), 1)
456        msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
457      else
458        CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT
459      endif # dwarf_getlocations
460    endif # Dwarf support
461  endif # libelf support
462endif # NO_LIBELF
463
464ifeq ($(feature-glibc), 1)
465  CFLAGS += -DHAVE_GLIBC_SUPPORT
466endif
467
468ifeq ($(feature-libaio), 1)
469  ifndef NO_AIO
470    CFLAGS += -DHAVE_AIO_SUPPORT
471  endif
472endif
473
474ifdef NO_DWARF
475  NO_LIBDW_DWARF_UNWIND := 1
476endif
477
478ifeq ($(feature-sched_getcpu), 1)
479  CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
480endif
481
482ifeq ($(feature-setns), 1)
483  CFLAGS += -DHAVE_SETNS_SUPPORT
484  $(call detected,CONFIG_SETNS)
485endif
486
487ifdef CORESIGHT
488  $(call feature_check,libopencsd)
489  ifeq ($(feature-libopencsd), 1)
490    CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
491    ifeq ($(feature-reallocarray), 0)
492      CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
493    endif
494    LDFLAGS += $(LIBOPENCSD_LDFLAGS)
495    EXTLIBS += $(OPENCSDLIBS)
496    $(call detected,CONFIG_LIBOPENCSD)
497    ifdef CSTRACE_RAW
498      CFLAGS += -DCS_DEBUG_RAW
499      ifeq (${CSTRACE_RAW}, packed)
500        CFLAGS += -DCS_RAW_PACKED
501      endif
502    endif
503  endif
504endif
505
506ifndef NO_LIBELF
507  CFLAGS += -DHAVE_LIBELF_SUPPORT
508  EXTLIBS += -lelf
509  $(call detected,CONFIG_LIBELF)
510
511  ifeq ($(feature-libelf-getphdrnum), 1)
512    CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
513  endif
514
515  ifeq ($(feature-libelf-gelf_getnote), 1)
516    CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
517  else
518    msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
519  endif
520
521  ifeq ($(feature-libelf-getshdrstrndx), 1)
522    CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
523  endif
524
525  ifndef NO_LIBDEBUGINFOD
526    $(call feature_check,libdebuginfod)
527    ifeq ($(feature-libdebuginfod), 1)
528      CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT
529      EXTLIBS += -ldebuginfod
530    endif
531  endif
532
533  ifndef NO_DWARF
534    ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
535      msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
536      NO_DWARF := 1
537    else
538      CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
539      LDFLAGS += $(LIBDW_LDFLAGS)
540      EXTLIBS += ${DWARFLIBS}
541      $(call detected,CONFIG_DWARF)
542    endif # PERF_HAVE_DWARF_REGS
543  endif # NO_DWARF
544
545  ifndef NO_LIBBPF
546    ifeq ($(feature-bpf), 1)
547      CFLAGS += -DHAVE_LIBBPF_SUPPORT
548      $(call detected,CONFIG_LIBBPF)
549
550      # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status
551      $(call feature_check,libbpf)
552      ifdef LIBBPF_DYNAMIC
553        ifeq ($(feature-libbpf), 1)
554          EXTLIBS += -lbpf
555          $(call detected,CONFIG_LIBBPF_DYNAMIC)
556        else
557          dummy := $(error Error: No libbpf devel library found, please install libbpf-devel);
558        endif
559      endif
560    endif
561
562    ifndef NO_DWARF
563      ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
564        CFLAGS += -DHAVE_BPF_PROLOGUE
565        $(call detected,CONFIG_BPF_PROLOGUE)
566      else
567        msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset());
568      endif
569    else
570      msg := $(warning DWARF support is off, BPF prologue is disabled);
571    endif
572
573  endif # NO_LIBBPF
574endif # NO_LIBELF
575
576ifndef NO_SDT
577  ifneq ($(feature-sdt), 1)
578    msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
579    NO_SDT := 1;
580  else
581    CFLAGS += -DHAVE_SDT_EVENT
582    $(call detected,CONFIG_SDT_EVENT)
583  endif
584endif
585
586ifdef PERF_HAVE_JITDUMP
587  ifndef NO_LIBELF
588    $(call detected,CONFIG_JITDUMP)
589    CFLAGS += -DHAVE_JITDUMP
590  endif
591endif
592
593ifeq ($(SRCARCH),powerpc)
594  ifndef NO_DWARF
595    CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
596  endif
597endif
598
599ifndef NO_LIBUNWIND
600  have_libunwind :=
601
602  $(call feature_check,libunwind-x86)
603  ifeq ($(feature-libunwind-x86), 1)
604    $(call detected,CONFIG_LIBUNWIND_X86)
605    CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
606    LDFLAGS += -lunwind-x86
607    EXTLIBS_LIBUNWIND += -lunwind-x86
608    have_libunwind = 1
609  endif
610
611  $(call feature_check,libunwind-aarch64)
612  ifeq ($(feature-libunwind-aarch64), 1)
613    $(call detected,CONFIG_LIBUNWIND_AARCH64)
614    CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
615    LDFLAGS += -lunwind-aarch64
616    EXTLIBS_LIBUNWIND += -lunwind-aarch64
617    have_libunwind = 1
618    $(call feature_check,libunwind-debug-frame-aarch64)
619    ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
620      msg := $(warning No debug_frame support found in libunwind-aarch64);
621      CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
622    endif
623  endif
624
625  ifneq ($(feature-libunwind), 1)
626    msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
627    NO_LOCAL_LIBUNWIND := 1
628  else
629    have_libunwind := 1
630    $(call detected,CONFIG_LOCAL_LIBUNWIND)
631  endif
632
633  ifneq ($(have_libunwind), 1)
634    NO_LIBUNWIND := 1
635  endif
636else
637  NO_LOCAL_LIBUNWIND := 1
638endif
639
640ifndef NO_LIBBPF
641  ifneq ($(feature-bpf), 1)
642    msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
643    NO_LIBBPF := 1
644  endif
645endif
646
647dwarf-post-unwind := 1
648dwarf-post-unwind-text := BUG
649
650# setup DWARF post unwinder
651ifdef NO_LIBUNWIND
652  ifdef NO_LIBDW_DWARF_UNWIND
653    msg := $(warning Disabling post unwind, no support found.);
654    dwarf-post-unwind := 0
655  else
656    dwarf-post-unwind-text := libdw
657    $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
658  endif
659else
660  dwarf-post-unwind-text := libunwind
661  $(call detected,CONFIG_LIBUNWIND)
662  # Enable libunwind support by default.
663  ifndef NO_LIBDW_DWARF_UNWIND
664    NO_LIBDW_DWARF_UNWIND := 1
665  endif
666endif
667
668ifeq ($(dwarf-post-unwind),1)
669  CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
670  $(call detected,CONFIG_DWARF_UNWIND)
671else
672  NO_DWARF_UNWIND := 1
673endif
674
675ifndef NO_LOCAL_LIBUNWIND
676  ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
677    $(call feature_check,libunwind-debug-frame)
678    ifneq ($(feature-libunwind-debug-frame), 1)
679      msg := $(warning No debug_frame support found in libunwind);
680      CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
681    endif
682  else
683    # non-ARM has no dwarf_find_debug_frame() function:
684    CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
685  endif
686  EXTLIBS += $(LIBUNWIND_LIBS)
687  LDFLAGS += $(LIBUNWIND_LIBS)
688endif
689ifeq ($(findstring -static,${LDFLAGS}),-static)
690  # gcc -static links libgcc_eh which contans piece of libunwind
691  LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
692endif
693
694ifndef NO_LIBUNWIND
695  CFLAGS  += -DHAVE_LIBUNWIND_SUPPORT
696  CFLAGS  += $(LIBUNWIND_CFLAGS)
697  LDFLAGS += $(LIBUNWIND_LDFLAGS)
698  EXTLIBS += $(EXTLIBS_LIBUNWIND)
699endif
700
701ifeq ($(NO_SYSCALL_TABLE),0)
702  $(call detected,CONFIG_TRACE)
703else
704  ifndef NO_LIBAUDIT
705    $(call feature_check,libaudit)
706    ifneq ($(feature-libaudit), 1)
707      msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
708      NO_LIBAUDIT := 1
709    else
710      CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
711      EXTLIBS += -laudit
712      $(call detected,CONFIG_TRACE)
713    endif
714  endif
715endif
716
717ifndef NO_LIBCRYPTO
718  ifneq ($(feature-libcrypto), 1)
719    msg := $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev);
720    NO_LIBCRYPTO := 1
721  else
722    CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
723    EXTLIBS += -lcrypto
724    $(call detected,CONFIG_CRYPTO)
725  endif
726endif
727
728ifdef NO_NEWT
729  NO_SLANG=1
730endif
731
732ifndef NO_SLANG
733  ifneq ($(feature-libslang), 1)
734    ifneq ($(feature-libslang-include-subdir), 1)
735      msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
736      NO_SLANG := 1
737    else
738      CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR
739    endif
740  endif
741  ifndef NO_SLANG
742    # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
743    CFLAGS += -DHAVE_SLANG_SUPPORT
744    EXTLIBS += -lslang
745    $(call detected,CONFIG_SLANG)
746  endif
747endif
748
749ifdef GTK2
750  FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
751  $(call feature_check,gtk2)
752  ifneq ($(feature-gtk2), 1)
753    msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
754    NO_GTK2 := 1
755  else
756    $(call feature_check,gtk2-infobar)
757    ifeq ($(feature-gtk2-infobar), 1)
758      GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
759    endif
760    CFLAGS += -DHAVE_GTK2_SUPPORT
761    GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
762    GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
763    EXTLIBS += -ldl
764  endif
765endif
766
767ifdef NO_LIBPERL
768  CFLAGS += -DNO_LIBPERL
769else
770  PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
771  PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
772  PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
773  PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
774  PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
775  PERL_EMBED_CCOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(PERL_EMBED_CCOPTS))
776  PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
777  FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
778
779  ifneq ($(feature-libperl), 1)
780    CFLAGS += -DNO_LIBPERL
781    NO_LIBPERL := 1
782    msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
783  else
784    LDFLAGS += $(PERL_EMBED_LDFLAGS)
785    EXTLIBS += $(PERL_EMBED_LIBADD)
786    CFLAGS += -DHAVE_LIBPERL_SUPPORT
787    ifeq ($(CC_NO_CLANG), 0)
788      CFLAGS += -Wno-compound-token-split-by-macro
789    endif
790    $(call detected,CONFIG_LIBPERL)
791  endif
792endif
793
794ifeq ($(feature-timerfd), 1)
795  CFLAGS += -DHAVE_TIMERFD_SUPPORT
796else
797  msg := $(warning No timerfd support. Disables 'perf kvm stat live');
798endif
799
800disable-python = $(eval $(disable-python_code))
801define disable-python_code
802  CFLAGS += -DNO_LIBPYTHON
803  $(warning $1)
804  NO_LIBPYTHON := 1
805endef
806
807ifdef NO_LIBPYTHON
808  $(call disable-python,Python support disabled by user)
809else
810
811  ifndef PYTHON
812    $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
813  else
814    PYTHON_WORD := $(call shell-wordify,$(PYTHON))
815
816    ifndef PYTHON_CONFIG
817      $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
818    else
819
820      ifneq ($(feature-libpython), 1)
821        $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
822      else
823         LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
824         EXTLIBS += $(PYTHON_EMBED_LIBADD)
825         LANG_BINDINGS += $(obj-perf)python/perf.so
826         CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
827         $(call detected,CONFIG_LIBPYTHON)
828      endif
829    endif
830  endif
831endif
832
833
834ifndef NO_LIBBFD
835  ifeq ($(feature-libbfd), 1)
836    EXTLIBS += -lbfd -lopcodes
837  else
838    # we are on a system that requires -liberty and (maybe) -lz
839    # to link against -lbfd; test each case individually here
840
841    # call all detections now so we get correct
842    # status in VF output
843    $(call feature_check,libbfd-liberty)
844    $(call feature_check,libbfd-liberty-z)
845
846    ifeq ($(feature-libbfd-liberty), 1)
847      EXTLIBS += -lbfd -lopcodes -liberty
848      FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl
849    else
850      ifeq ($(feature-libbfd-liberty-z), 1)
851        EXTLIBS += -lbfd -lopcodes -liberty -lz
852        FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl
853      endif
854    endif
855    $(call feature_check,disassembler-four-args)
856  endif
857
858  ifeq ($(feature-libbfd-buildid), 1)
859    CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT
860  else
861    msg := $(warning Old version of libbfd/binutils things like PE executable profiling will not be available);
862  endif
863endif
864
865ifdef NO_DEMANGLE
866  CFLAGS += -DNO_DEMANGLE
867else
868  ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
869    EXTLIBS += -liberty
870  else
871    ifeq ($(filter -liberty,$(EXTLIBS)),)
872      $(call feature_check,cplus-demangle)
873
874      # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
875      # or any of 'bfd iberty z' trinity
876      ifeq ($(feature-cplus-demangle), 1)
877        EXTLIBS += -liberty
878      else
879        msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
880        CFLAGS += -DNO_DEMANGLE
881      endif
882    endif
883  endif
884
885  ifneq ($(filter -liberty,$(EXTLIBS)),)
886    CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
887  endif
888endif
889
890ifneq ($(filter -lbfd,$(EXTLIBS)),)
891  CFLAGS += -DHAVE_LIBBFD_SUPPORT
892endif
893
894ifndef NO_ZLIB
895  ifeq ($(feature-zlib), 1)
896    CFLAGS += -DHAVE_ZLIB_SUPPORT
897    EXTLIBS += -lz
898    $(call detected,CONFIG_ZLIB)
899  else
900    NO_ZLIB := 1
901  endif
902endif
903
904ifndef NO_LZMA
905  ifeq ($(feature-lzma), 1)
906    CFLAGS += -DHAVE_LZMA_SUPPORT
907    EXTLIBS += -llzma
908    $(call detected,CONFIG_LZMA)
909  else
910    msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
911    NO_LZMA := 1
912  endif
913endif
914
915ifndef NO_LIBZSTD
916  ifeq ($(feature-libzstd), 1)
917    CFLAGS += -DHAVE_ZSTD_SUPPORT
918    CFLAGS += $(LIBZSTD_CFLAGS)
919    LDFLAGS += $(LIBZSTD_LDFLAGS)
920    EXTLIBS += -lzstd
921    $(call detected,CONFIG_ZSTD)
922  else
923    msg := $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR);
924    NO_LIBZSTD := 1
925  endif
926endif
927
928ifndef NO_LIBCAP
929  ifeq ($(feature-libcap), 1)
930    CFLAGS += -DHAVE_LIBCAP_SUPPORT
931    EXTLIBS += -lcap
932    $(call detected,CONFIG_LIBCAP)
933  else
934    msg := $(warning No libcap found, disables capability support, please install libcap-devel/libcap-dev);
935    NO_LIBCAP := 1
936  endif
937endif
938
939ifndef NO_BACKTRACE
940  ifeq ($(feature-backtrace), 1)
941    CFLAGS += -DHAVE_BACKTRACE_SUPPORT
942  endif
943endif
944
945ifndef NO_LIBNUMA
946  ifeq ($(feature-libnuma), 0)
947    msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
948    NO_LIBNUMA := 1
949  else
950    ifeq ($(feature-numa_num_possible_cpus), 0)
951      msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
952      NO_LIBNUMA := 1
953    else
954      CFLAGS += -DHAVE_LIBNUMA_SUPPORT
955      EXTLIBS += -lnuma
956      $(call detected,CONFIG_NUMA)
957    endif
958  endif
959endif
960
961ifdef HAVE_KVM_STAT_SUPPORT
962    CFLAGS += -DHAVE_KVM_STAT_SUPPORT
963endif
964
965ifeq ($(feature-disassembler-four-args), 1)
966    CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
967endif
968
969ifeq (${IS_64_BIT}, 1)
970  ifndef NO_PERF_READ_VDSO32
971    $(call feature_check,compile-32)
972    ifeq ($(feature-compile-32), 1)
973      CFLAGS += -DHAVE_PERF_READ_VDSO32
974    else
975      NO_PERF_READ_VDSO32 := 1
976    endif
977  endif
978  ifneq ($(SRCARCH), x86)
979    NO_PERF_READ_VDSOX32 := 1
980  endif
981  ifndef NO_PERF_READ_VDSOX32
982    $(call feature_check,compile-x32)
983    ifeq ($(feature-compile-x32), 1)
984      CFLAGS += -DHAVE_PERF_READ_VDSOX32
985    else
986      NO_PERF_READ_VDSOX32 := 1
987    endif
988  endif
989else
990  NO_PERF_READ_VDSO32 := 1
991  NO_PERF_READ_VDSOX32 := 1
992endif
993
994ifndef NO_LIBBABELTRACE
995  $(call feature_check,libbabeltrace)
996  ifeq ($(feature-libbabeltrace), 1)
997    CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
998    LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
999    EXTLIBS += -lbabeltrace-ctf
1000    $(call detected,CONFIG_LIBBABELTRACE)
1001  else
1002    msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
1003  endif
1004endif
1005
1006ifndef NO_AUXTRACE
1007  ifeq ($(SRCARCH),x86)
1008    ifeq ($(feature-get_cpuid), 0)
1009      msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
1010      NO_AUXTRACE := 1
1011    endif
1012  endif
1013  ifndef NO_AUXTRACE
1014    $(call detected,CONFIG_AUXTRACE)
1015    CFLAGS += -DHAVE_AUXTRACE_SUPPORT
1016  endif
1017endif
1018
1019ifndef NO_JVMTI
1020  ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
1021    JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
1022  else
1023    ifneq (,$(wildcard /usr/sbin/alternatives))
1024      JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g')
1025    endif
1026  endif
1027  ifndef JDIR
1028    $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
1029    NO_JVMTI := 1
1030  endif
1031endif
1032
1033ifndef NO_JVMTI
1034  FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
1035  $(call feature_check,jvmti)
1036  ifeq ($(feature-jvmti), 1)
1037    $(call detected_var,JDIR)
1038    ifndef NO_JVMTI_CMLR
1039      FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti)
1040      $(call feature_check,jvmti-cmlr)
1041      ifeq ($(feature-jvmti-cmlr), 1)
1042        CFLAGS += -DHAVE_JVMTI_CMLR
1043      endif
1044    endif # NO_JVMTI_CMLR
1045  else
1046    $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel)
1047    NO_JVMTI := 1
1048  endif
1049endif
1050
1051USE_CXX = 0
1052USE_CLANGLLVM = 0
1053ifdef LIBCLANGLLVM
1054  $(call feature_check,cxx)
1055  ifneq ($(feature-cxx), 1)
1056    msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
1057  else
1058    $(call feature_check,llvm)
1059    $(call feature_check,llvm-version)
1060    ifneq ($(feature-llvm), 1)
1061      msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
1062    else
1063      $(call feature_check,clang)
1064      ifneq ($(feature-clang), 1)
1065        msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
1066      else
1067        CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
1068        CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
1069        $(call detected,CONFIG_CXX)
1070        $(call detected,CONFIG_CLANGLLVM)
1071	USE_CXX = 1
1072	USE_LLVM = 1
1073	USE_CLANG = 1
1074        ifneq ($(feature-llvm-version),1)
1075          msg := $(warning This version of LLVM is not tested. May cause build errors)
1076        endif
1077      endif
1078    endif
1079  endif
1080endif
1081
1082ifdef LIBPFM4
1083  $(call feature_check,libpfm4)
1084  ifeq ($(feature-libpfm4), 1)
1085    CFLAGS += -DHAVE_LIBPFM
1086    EXTLIBS += -lpfm
1087    ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1
1088    $(call detected,CONFIG_LIBPFM4)
1089  else
1090    msg := $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev);
1091    NO_LIBPFM4 := 1
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