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