xref: /linux/tools/perf/Makefile.config (revision 6e93bc534f1408e0e1f890e760596099b12f0d8c) 
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  LIBUNWIND_LIBS = -lunwind -lunwind-mips
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 $(SRCARCH),x86 arm arm64 powerpc s390 csky riscv))
105  NO_LIBDW_DWARF_UNWIND := 1
106endif
107
108ifeq ($(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
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: $(BISON) is missing on this system, please install it)
202endif
203
204ifneq ($(OUTPUT),)
205  ifeq ($(shell expr $(shell $(BISON) --version | grep bison | sed -e 's/.\+ \([0-9]\+\).\([0-9]\+\).\([0-9]\+\)/\1\2\3/g') \>\= 371), 1)
206    BISON_FILE_PREFIX_MAP := --file-prefix-map=$(OUTPUT)=
207  endif
208endif
209
210# Treat warnings as errors unless directed not to
211ifneq ($(WERROR),0)
212  CORE_CFLAGS += -Werror
213  CXXFLAGS += -Werror
214endif
215
216ifndef DEBUG
217  DEBUG := 0
218endif
219
220ifeq ($(DEBUG),0)
221ifeq ($(CC_NO_CLANG), 0)
222  CORE_CFLAGS += -O3
223else
224  CORE_CFLAGS += -O6
225endif
226endif
227
228ifdef PARSER_DEBUG
229  PARSER_DEBUG_BISON := -t
230  PARSER_DEBUG_FLEX  := -d
231  CFLAGS             += -DPARSER_DEBUG
232  $(call detected_var,PARSER_DEBUG_BISON)
233  $(call detected_var,PARSER_DEBUG_FLEX)
234endif
235
236# Try different combinations to accommodate systems that only have
237# python[2][-config] in weird combinations but always preferring
238# python2 and python2-config as per pep-0394. If python2 or python
239# aren't found, then python3 is used.
240PYTHON_AUTO := python
241PYTHON_AUTO := $(if $(call get-executable,python3),python3,$(PYTHON_AUTO))
242PYTHON_AUTO := $(if $(call get-executable,python),python,$(PYTHON_AUTO))
243PYTHON_AUTO := $(if $(call get-executable,python2),python2,$(PYTHON_AUTO))
244override PYTHON := $(call get-executable-or-default,PYTHON,$(PYTHON_AUTO))
245PYTHON_AUTO_CONFIG := \
246  $(if $(call get-executable,$(PYTHON)-config),$(PYTHON)-config,python-config)
247override PYTHON_CONFIG := \
248  $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON_AUTO_CONFIG))
249
250grep-libs  = $(filter -l%,$(1))
251strip-libs  = $(filter-out -l%,$(1))
252
253PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
254
255# Python 3.8 changed the output of `python-config --ldflags` to not include the
256# '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for
257# libpython fails if that flag is not included in LDFLAGS
258ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0)
259  PYTHON_CONFIG_LDFLAGS := --ldflags --embed
260else
261  PYTHON_CONFIG_LDFLAGS := --ldflags
262endif
263
264ifdef PYTHON_CONFIG
265  PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) $(PYTHON_CONFIG_LDFLAGS) 2>/dev/null)
266  PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
267  PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
268  PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null)
269  FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
270endif
271
272FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
273FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
274FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
275FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
276
277FEATURE_CHECK_LDFLAGS-libaio = -lrt
278
279FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes -ldl
280
281CORE_CFLAGS += -fno-omit-frame-pointer
282CORE_CFLAGS += -ggdb3
283CORE_CFLAGS += -funwind-tables
284CORE_CFLAGS += -Wall
285CORE_CFLAGS += -Wextra
286CORE_CFLAGS += -std=gnu99
287
288CXXFLAGS += -std=gnu++11 -fno-exceptions -fno-rtti
289CXXFLAGS += -Wall
290CXXFLAGS += -fno-omit-frame-pointer
291CXXFLAGS += -ggdb3
292CXXFLAGS += -funwind-tables
293CXXFLAGS += -Wno-strict-aliasing
294
295# Enforce a non-executable stack, as we may regress (again) in the future by
296# adding assembler files missing the .GNU-stack linker note.
297LDFLAGS += -Wl,-z,noexecstack
298
299EXTLIBS = -lpthread -lrt -lm -ldl
300
301ifneq ($(TCMALLOC),)
302  CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free
303  EXTLIBS += -ltcmalloc
304endif
305
306ifeq ($(FEATURES_DUMP),)
307# We will display at the end of this Makefile.config, using $(call feature_display_entries)
308# As we may retry some feature detection here, see the disassembler-four-args case, for instance
309  FEATURE_DISPLAY_DEFERRED := 1
310include $(srctree)/tools/build/Makefile.feature
311else
312include $(FEATURES_DUMP)
313endif
314
315ifeq ($(feature-stackprotector-all), 1)
316  CORE_CFLAGS += -fstack-protector-all
317endif
318
319ifeq ($(DEBUG),0)
320  ifeq ($(feature-fortify-source), 1)
321    CORE_CFLAGS += -D_FORTIFY_SOURCE=2
322  endif
323endif
324
325INC_FLAGS += -I$(srctree)/tools/lib/perf/include
326INC_FLAGS += -I$(src-perf)/util/include
327INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
328INC_FLAGS += -I$(srctree)/tools/include/
329INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
330INC_FLAGS += -I$(srctree)/tools/include/uapi
331INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
332INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
333
334# $(obj-perf)      for generated common-cmds.h
335# $(obj-perf)/util for generated bison/flex headers
336ifneq ($(OUTPUT),)
337INC_FLAGS += -I$(obj-perf)/util
338INC_FLAGS += -I$(obj-perf)
339endif
340
341INC_FLAGS += -I$(src-perf)/util
342INC_FLAGS += -I$(src-perf)
343INC_FLAGS += -I$(srctree)/tools/lib/
344
345CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
346
347CFLAGS   += $(CORE_CFLAGS) $(INC_FLAGS)
348CXXFLAGS += $(INC_FLAGS)
349
350LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS)
351
352ifeq ($(feature-pthread-attr-setaffinity-np), 1)
353  CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
354endif
355
356ifeq ($(feature-pthread-barrier), 1)
357  CFLAGS += -DHAVE_PTHREAD_BARRIER
358endif
359
360ifndef NO_BIONIC
361  $(call feature_check,bionic)
362  ifeq ($(feature-bionic), 1)
363    BIONIC := 1
364    CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE
365    CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE
366    EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
367    EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
368  endif
369endif
370
371ifeq ($(feature-eventfd), 1)
372  CFLAGS += -DHAVE_EVENTFD_SUPPORT
373endif
374
375ifeq ($(feature-get_current_dir_name), 1)
376  CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME
377endif
378
379ifeq ($(feature-gettid), 1)
380  CFLAGS += -DHAVE_GETTID
381endif
382
383ifeq ($(feature-file-handle), 1)
384  CFLAGS += -DHAVE_FILE_HANDLE
385endif
386
387ifdef NO_LIBELF
388  NO_DWARF := 1
389  NO_DEMANGLE := 1
390  NO_LIBUNWIND := 1
391  NO_LIBDW_DWARF_UNWIND := 1
392  NO_LIBBPF := 1
393  NO_JVMTI := 1
394else
395  ifeq ($(feature-libelf), 0)
396    ifeq ($(feature-glibc), 1)
397      LIBC_SUPPORT := 1
398    endif
399    ifeq ($(BIONIC),1)
400      LIBC_SUPPORT := 1
401    endif
402    ifeq ($(LIBC_SUPPORT),1)
403      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);
404
405      NO_LIBELF := 1
406      NO_DWARF := 1
407      NO_DEMANGLE := 1
408      NO_LIBUNWIND := 1
409      NO_LIBDW_DWARF_UNWIND := 1
410      NO_LIBBPF := 1
411      NO_JVMTI := 1
412    else
413      ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),)
414        ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0)
415          msg := $(error No libasan found, please install libasan);
416        endif
417      endif
418
419      ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),)
420        ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0)
421          msg := $(error No libubsan found, please install libubsan);
422        endif
423      endif
424
425      ifneq ($(filter s% -static%,$(LDFLAGS),),)
426        msg := $(error No static glibc found, please install glibc-static);
427      else
428        msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
429      endif
430    endif
431  else
432    ifndef NO_LIBDW_DWARF_UNWIND
433      ifneq ($(feature-libdw-dwarf-unwind),1)
434        NO_LIBDW_DWARF_UNWIND := 1
435        msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
436      endif
437    endif
438    ifneq ($(feature-dwarf), 1)
439      ifndef NO_DWARF
440        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);
441        NO_DWARF := 1
442      endif
443    else
444      ifneq ($(feature-dwarf_getlocations), 1)
445        msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
446      else
447        CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT
448      endif # dwarf_getlocations
449    endif # Dwarf support
450  endif # libelf support
451endif # NO_LIBELF
452
453ifeq ($(feature-glibc), 1)
454  CFLAGS += -DHAVE_GLIBC_SUPPORT
455endif
456
457ifeq ($(feature-libaio), 1)
458  ifndef NO_AIO
459    CFLAGS += -DHAVE_AIO_SUPPORT
460  endif
461endif
462
463ifdef NO_DWARF
464  NO_LIBDW_DWARF_UNWIND := 1
465endif
466
467ifeq ($(feature-sched_getcpu), 1)
468  CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
469endif
470
471ifeq ($(feature-setns), 1)
472  CFLAGS += -DHAVE_SETNS_SUPPORT
473  $(call detected,CONFIG_SETNS)
474endif
475
476ifdef CORESIGHT
477  $(call feature_check,libopencsd)
478  ifeq ($(feature-libopencsd), 1)
479    CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
480    ifeq ($(feature-reallocarray), 0)
481      CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
482    endif
483    LDFLAGS += $(LIBOPENCSD_LDFLAGS)
484    EXTLIBS += $(OPENCSDLIBS)
485    $(call detected,CONFIG_LIBOPENCSD)
486    ifdef CSTRACE_RAW
487      CFLAGS += -DCS_DEBUG_RAW
488      ifeq (${CSTRACE_RAW}, packed)
489        CFLAGS += -DCS_RAW_PACKED
490      endif
491    endif
492  endif
493endif
494
495ifndef NO_LIBELF
496  CFLAGS += -DHAVE_LIBELF_SUPPORT
497  EXTLIBS += -lelf
498  $(call detected,CONFIG_LIBELF)
499
500  ifeq ($(feature-libelf-getphdrnum), 1)
501    CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
502  endif
503
504  ifeq ($(feature-libelf-gelf_getnote), 1)
505    CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
506  else
507    msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
508  endif
509
510  ifeq ($(feature-libelf-getshdrstrndx), 1)
511    CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
512  endif
513
514  ifndef NO_LIBDEBUGINFOD
515    $(call feature_check,libdebuginfod)
516    ifeq ($(feature-libdebuginfod), 1)
517      CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT
518      EXTLIBS += -ldebuginfod
519    endif
520  endif
521
522  ifndef NO_DWARF
523    ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
524      msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
525      NO_DWARF := 1
526    else
527      CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
528      LDFLAGS += $(LIBDW_LDFLAGS)
529      EXTLIBS += ${DWARFLIBS}
530      $(call detected,CONFIG_DWARF)
531    endif # PERF_HAVE_DWARF_REGS
532  endif # NO_DWARF
533
534  ifndef NO_LIBBPF
535    ifeq ($(feature-bpf), 1)
536      CFLAGS += -DHAVE_LIBBPF_SUPPORT
537      $(call detected,CONFIG_LIBBPF)
538
539      # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status
540      $(call feature_check,libbpf)
541      ifdef LIBBPF_DYNAMIC
542        ifeq ($(feature-libbpf), 1)
543          EXTLIBS += -lbpf
544          $(call detected,CONFIG_LIBBPF_DYNAMIC)
545        else
546          dummy := $(error Error: No libbpf devel library found, please install libbpf-devel);
547        endif
548      endif
549    endif
550
551    ifndef NO_DWARF
552      ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
553        CFLAGS += -DHAVE_BPF_PROLOGUE
554        $(call detected,CONFIG_BPF_PROLOGUE)
555      else
556        msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset());
557      endif
558    else
559      msg := $(warning DWARF support is off, BPF prologue is disabled);
560    endif
561
562  endif # NO_LIBBPF
563endif # NO_LIBELF
564
565ifndef NO_SDT
566  ifneq ($(feature-sdt), 1)
567    msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
568    NO_SDT := 1;
569  else
570    CFLAGS += -DHAVE_SDT_EVENT
571    $(call detected,CONFIG_SDT_EVENT)
572  endif
573endif
574
575ifdef PERF_HAVE_JITDUMP
576  ifndef NO_LIBELF
577    $(call detected,CONFIG_JITDUMP)
578    CFLAGS += -DHAVE_JITDUMP
579  endif
580endif
581
582ifeq ($(SRCARCH),powerpc)
583  ifndef NO_DWARF
584    CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
585  endif
586endif
587
588ifndef NO_LIBUNWIND
589  have_libunwind :=
590
591  $(call feature_check,libunwind-x86)
592  ifeq ($(feature-libunwind-x86), 1)
593    $(call detected,CONFIG_LIBUNWIND_X86)
594    CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
595    LDFLAGS += -lunwind-x86
596    EXTLIBS_LIBUNWIND += -lunwind-x86
597    have_libunwind = 1
598  endif
599
600  $(call feature_check,libunwind-aarch64)
601  ifeq ($(feature-libunwind-aarch64), 1)
602    $(call detected,CONFIG_LIBUNWIND_AARCH64)
603    CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
604    LDFLAGS += -lunwind-aarch64
605    EXTLIBS_LIBUNWIND += -lunwind-aarch64
606    have_libunwind = 1
607    $(call feature_check,libunwind-debug-frame-aarch64)
608    ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
609      msg := $(warning No debug_frame support found in libunwind-aarch64);
610      CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
611    endif
612  endif
613
614  ifneq ($(feature-libunwind), 1)
615    msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
616    NO_LOCAL_LIBUNWIND := 1
617  else
618    have_libunwind := 1
619    $(call detected,CONFIG_LOCAL_LIBUNWIND)
620  endif
621
622  ifneq ($(have_libunwind), 1)
623    NO_LIBUNWIND := 1
624  endif
625else
626  NO_LOCAL_LIBUNWIND := 1
627endif
628
629ifndef NO_LIBBPF
630  ifneq ($(feature-bpf), 1)
631    msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
632    NO_LIBBPF := 1
633  endif
634endif
635
636ifdef BUILD_BPF_SKEL
637  $(call feature_check,clang-bpf-co-re)
638  ifeq ($(feature-clang-bpf-co-re), 0)
639    dummy := $(error Error: clang too old/not installed. Please install recent clang to build with BUILD_BPF_SKEL)
640  endif
641  $(call detected,CONFIG_PERF_BPF_SKEL)
642  CFLAGS += -DHAVE_BPF_SKEL
643endif
644
645dwarf-post-unwind := 1
646dwarf-post-unwind-text := BUG
647
648# setup DWARF post unwinder
649ifdef NO_LIBUNWIND
650  ifdef NO_LIBDW_DWARF_UNWIND
651    msg := $(warning Disabling post unwind, no support found.);
652    dwarf-post-unwind := 0
653  else
654    dwarf-post-unwind-text := libdw
655    $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
656  endif
657else
658  dwarf-post-unwind-text := libunwind
659  $(call detected,CONFIG_LIBUNWIND)
660  # Enable libunwind support by default.
661  ifndef NO_LIBDW_DWARF_UNWIND
662    NO_LIBDW_DWARF_UNWIND := 1
663  endif
664endif
665
666ifeq ($(dwarf-post-unwind),1)
667  CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
668  $(call detected,CONFIG_DWARF_UNWIND)
669else
670  NO_DWARF_UNWIND := 1
671endif
672
673ifndef NO_LOCAL_LIBUNWIND
674  ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
675    $(call feature_check,libunwind-debug-frame)
676    ifneq ($(feature-libunwind-debug-frame), 1)
677      msg := $(warning No debug_frame support found in libunwind);
678      CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
679    endif
680  else
681    # non-ARM has no dwarf_find_debug_frame() function:
682    CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
683  endif
684  EXTLIBS += $(LIBUNWIND_LIBS)
685  LDFLAGS += $(LIBUNWIND_LIBS)
686endif
687ifeq ($(findstring -static,${LDFLAGS}),-static)
688  # gcc -static links libgcc_eh which contans piece of libunwind
689  LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
690endif
691
692ifndef NO_LIBUNWIND
693  CFLAGS  += -DHAVE_LIBUNWIND_SUPPORT
694  CFLAGS  += $(LIBUNWIND_CFLAGS)
695  LDFLAGS += $(LIBUNWIND_LDFLAGS)
696  EXTLIBS += $(EXTLIBS_LIBUNWIND)
697endif
698
699ifeq ($(NO_SYSCALL_TABLE),0)
700  $(call detected,CONFIG_TRACE)
701else
702  ifndef NO_LIBAUDIT
703    $(call feature_check,libaudit)
704    ifneq ($(feature-libaudit), 1)
705      msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
706      NO_LIBAUDIT := 1
707    else
708      CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
709      EXTLIBS += -laudit
710      $(call detected,CONFIG_TRACE)
711    endif
712  endif
713endif
714
715ifndef NO_LIBCRYPTO
716  ifneq ($(feature-libcrypto), 1)
717    msg := $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev);
718    NO_LIBCRYPTO := 1
719  else
720    CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
721    EXTLIBS += -lcrypto
722    $(call detected,CONFIG_CRYPTO)
723  endif
724endif
725
726ifdef NO_NEWT
727  NO_SLANG=1
728endif
729
730ifndef NO_SLANG
731  ifneq ($(feature-libslang), 1)
732    ifneq ($(feature-libslang-include-subdir), 1)
733      msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
734      NO_SLANG := 1
735    else
736      CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR
737    endif
738  endif
739  ifndef NO_SLANG
740    # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
741    CFLAGS += -DHAVE_SLANG_SUPPORT
742    EXTLIBS += -lslang
743    $(call detected,CONFIG_SLANG)
744  endif
745endif
746
747ifdef GTK2
748  FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
749  $(call feature_check,gtk2)
750  ifneq ($(feature-gtk2), 1)
751    msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
752    NO_GTK2 := 1
753  else
754    $(call feature_check,gtk2-infobar)
755    ifeq ($(feature-gtk2-infobar), 1)
756      GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
757    endif
758    CFLAGS += -DHAVE_GTK2_SUPPORT
759    GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
760    GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
761    EXTLIBS += -ldl
762  endif
763endif
764
765ifdef NO_LIBPERL
766  CFLAGS += -DNO_LIBPERL
767else
768  PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
769  PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
770  PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
771  PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
772  PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
773  PERL_EMBED_CCOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(PERL_EMBED_CCOPTS))
774  PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
775  FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
776
777  ifneq ($(feature-libperl), 1)
778    CFLAGS += -DNO_LIBPERL
779    NO_LIBPERL := 1
780    msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
781  else
782    LDFLAGS += $(PERL_EMBED_LDFLAGS)
783    EXTLIBS += $(PERL_EMBED_LIBADD)
784    CFLAGS += -DHAVE_LIBPERL_SUPPORT
785    $(call detected,CONFIG_LIBPERL)
786  endif
787endif
788
789ifeq ($(feature-timerfd), 1)
790  CFLAGS += -DHAVE_TIMERFD_SUPPORT
791else
792  msg := $(warning No timerfd support. Disables 'perf kvm stat live');
793endif
794
795disable-python = $(eval $(disable-python_code))
796define disable-python_code
797  CFLAGS += -DNO_LIBPYTHON
798  $(warning $1)
799  NO_LIBPYTHON := 1
800endef
801
802ifdef NO_LIBPYTHON
803  $(call disable-python,Python support disabled by user)
804else
805
806  ifndef PYTHON
807    $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
808  else
809    PYTHON_WORD := $(call shell-wordify,$(PYTHON))
810
811    ifndef PYTHON_CONFIG
812      $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
813    else
814
815      ifneq ($(feature-libpython), 1)
816        $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
817      else
818         LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
819         EXTLIBS += $(PYTHON_EMBED_LIBADD)
820         LANG_BINDINGS += $(obj-perf)python/perf.so
821         CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
822         $(call detected,CONFIG_LIBPYTHON)
823      endif
824    endif
825  endif
826endif
827
828ifeq ($(feature-libbfd), 1)
829  EXTLIBS += -lbfd -lopcodes
830else
831  # we are on a system that requires -liberty and (maybe) -lz
832  # to link against -lbfd; test each case individually here
833
834  # call all detections now so we get correct
835  # status in VF output
836  $(call feature_check,libbfd-liberty)
837  $(call feature_check,libbfd-liberty-z)
838
839  ifeq ($(feature-libbfd-liberty), 1)
840    EXTLIBS += -lbfd -lopcodes -liberty
841    FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl
842  else
843    ifeq ($(feature-libbfd-liberty-z), 1)
844      EXTLIBS += -lbfd -lopcodes -liberty -lz
845      FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl
846    endif
847  endif
848  $(call feature_check,disassembler-four-args)
849endif
850
851ifeq ($(feature-libbfd-buildid), 1)
852  CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT
853else
854  msg := $(warning Old version of libbfd/binutils things like PE executable profiling will not be available);
855endif
856
857ifdef NO_DEMANGLE
858  CFLAGS += -DNO_DEMANGLE
859else
860  ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
861    EXTLIBS += -liberty
862  else
863    ifeq ($(filter -liberty,$(EXTLIBS)),)
864      $(call feature_check,cplus-demangle)
865
866      # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
867      # or any of 'bfd iberty z' trinity
868      ifeq ($(feature-cplus-demangle), 1)
869        EXTLIBS += -liberty
870      else
871        msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
872        CFLAGS += -DNO_DEMANGLE
873      endif
874    endif
875  endif
876
877  ifneq ($(filter -liberty,$(EXTLIBS)),)
878    CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
879  endif
880endif
881
882ifneq ($(filter -lbfd,$(EXTLIBS)),)
883  CFLAGS += -DHAVE_LIBBFD_SUPPORT
884endif
885
886ifndef NO_ZLIB
887  ifeq ($(feature-zlib), 1)
888    CFLAGS += -DHAVE_ZLIB_SUPPORT
889    EXTLIBS += -lz
890    $(call detected,CONFIG_ZLIB)
891  else
892    NO_ZLIB := 1
893  endif
894endif
895
896ifndef NO_LZMA
897  ifeq ($(feature-lzma), 1)
898    CFLAGS += -DHAVE_LZMA_SUPPORT
899    EXTLIBS += -llzma
900    $(call detected,CONFIG_LZMA)
901  else
902    msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
903    NO_LZMA := 1
904  endif
905endif
906
907ifndef NO_LIBZSTD
908  ifeq ($(feature-libzstd), 1)
909    CFLAGS += -DHAVE_ZSTD_SUPPORT
910    CFLAGS += $(LIBZSTD_CFLAGS)
911    LDFLAGS += $(LIBZSTD_LDFLAGS)
912    EXTLIBS += -lzstd
913    $(call detected,CONFIG_ZSTD)
914  else
915    msg := $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR);
916    NO_LIBZSTD := 1
917  endif
918endif
919
920ifndef NO_LIBCAP
921  ifeq ($(feature-libcap), 1)
922    CFLAGS += -DHAVE_LIBCAP_SUPPORT
923    EXTLIBS += -lcap
924    $(call detected,CONFIG_LIBCAP)
925  else
926    msg := $(warning No libcap found, disables capability support, please install libcap-devel/libcap-dev);
927    NO_LIBCAP := 1
928  endif
929endif
930
931ifndef NO_BACKTRACE
932  ifeq ($(feature-backtrace), 1)
933    CFLAGS += -DHAVE_BACKTRACE_SUPPORT
934  endif
935endif
936
937ifndef NO_LIBNUMA
938  ifeq ($(feature-libnuma), 0)
939    msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
940    NO_LIBNUMA := 1
941  else
942    ifeq ($(feature-numa_num_possible_cpus), 0)
943      msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
944      NO_LIBNUMA := 1
945    else
946      CFLAGS += -DHAVE_LIBNUMA_SUPPORT
947      EXTLIBS += -lnuma
948      $(call detected,CONFIG_NUMA)
949    endif
950  endif
951endif
952
953ifdef HAVE_KVM_STAT_SUPPORT
954    CFLAGS += -DHAVE_KVM_STAT_SUPPORT
955endif
956
957ifeq ($(feature-disassembler-four-args), 1)
958    CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
959endif
960
961ifeq (${IS_64_BIT}, 1)
962  ifndef NO_PERF_READ_VDSO32
963    $(call feature_check,compile-32)
964    ifeq ($(feature-compile-32), 1)
965      CFLAGS += -DHAVE_PERF_READ_VDSO32
966    else
967      NO_PERF_READ_VDSO32 := 1
968    endif
969  endif
970  ifneq ($(SRCARCH), x86)
971    NO_PERF_READ_VDSOX32 := 1
972  endif
973  ifndef NO_PERF_READ_VDSOX32
974    $(call feature_check,compile-x32)
975    ifeq ($(feature-compile-x32), 1)
976      CFLAGS += -DHAVE_PERF_READ_VDSOX32
977    else
978      NO_PERF_READ_VDSOX32 := 1
979    endif
980  endif
981else
982  NO_PERF_READ_VDSO32 := 1
983  NO_PERF_READ_VDSOX32 := 1
984endif
985
986ifndef NO_LIBBABELTRACE
987  $(call feature_check,libbabeltrace)
988  ifeq ($(feature-libbabeltrace), 1)
989    CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
990    LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
991    EXTLIBS += -lbabeltrace-ctf
992    $(call detected,CONFIG_LIBBABELTRACE)
993  else
994    msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
995  endif
996endif
997
998ifndef NO_AUXTRACE
999  ifeq ($(SRCARCH),x86)
1000    ifeq ($(feature-get_cpuid), 0)
1001      msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
1002      NO_AUXTRACE := 1
1003    endif
1004  endif
1005  ifndef NO_AUXTRACE
1006    $(call detected,CONFIG_AUXTRACE)
1007    CFLAGS += -DHAVE_AUXTRACE_SUPPORT
1008  endif
1009endif
1010
1011ifndef NO_JVMTI
1012  ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
1013    JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
1014  else
1015    ifneq (,$(wildcard /usr/sbin/alternatives))
1016      JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g')
1017    endif
1018  endif
1019  ifndef JDIR
1020    $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
1021    NO_JVMTI := 1
1022  endif
1023endif
1024
1025ifndef NO_JVMTI
1026  FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
1027  $(call feature_check,jvmti)
1028  ifeq ($(feature-jvmti), 1)
1029    $(call detected_var,JDIR)
1030    ifndef NO_JVMTI_CMLR
1031      FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti)
1032      $(call feature_check,jvmti-cmlr)
1033      ifeq ($(feature-jvmti-cmlr), 1)
1034        CFLAGS += -DHAVE_JVMTI_CMLR
1035      endif
1036    endif # NO_JVMTI_CMLR
1037  else
1038    $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel)
1039    NO_JVMTI := 1
1040  endif
1041endif
1042
1043USE_CXX = 0
1044USE_CLANGLLVM = 0
1045ifdef LIBCLANGLLVM
1046  $(call feature_check,cxx)
1047  ifneq ($(feature-cxx), 1)
1048    msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
1049  else
1050    $(call feature_check,llvm)
1051    $(call feature_check,llvm-version)
1052    ifneq ($(feature-llvm), 1)
1053      msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
1054    else
1055      $(call feature_check,clang)
1056      ifneq ($(feature-clang), 1)
1057        msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
1058      else
1059        CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
1060        CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
1061        $(call detected,CONFIG_CXX)
1062        $(call detected,CONFIG_CLANGLLVM)
1063	USE_CXX = 1
1064	USE_LLVM = 1
1065	USE_CLANG = 1
1066        ifneq ($(feature-llvm-version),1)
1067          msg := $(warning This version of LLVM is not tested. May cause build errors)
1068        endif
1069      endif
1070    endif
1071  endif
1072endif
1073
1074ifdef LIBPFM4
1075  $(call feature_check,libpfm4)
1076  ifeq ($(feature-libpfm4), 1)
1077    CFLAGS += -DHAVE_LIBPFM
1078    EXTLIBS += -lpfm
1079    ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1
1080    $(call detected,CONFIG_LIBPFM4)
1081  else
1082    msg := $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev);
1083    NO_LIBPFM4 := 1
1084  endif
1085endif
1086
1087ifdef LIBTRACEEVENT_DYNAMIC
1088  $(call feature_check,libtraceevent)
1089  ifeq ($(feature-libtraceevent), 1)
1090    EXTLIBS += -ltraceevent
1091  else
1092    dummy := $(error Error: No libtraceevent devel library found, please install libtraceevent-devel);
1093  endif
1094endif
1095
1096# Among the variables below, these:
1097#   perfexecdir
1098#   perf_include_dir
1099#   perf_examples_dir
1100#   template_dir
1101#   mandir
1102#   infodir
1103#   htmldir
1104#   ETC_PERFCONFIG (but not sysconfdir)
1105# can be specified as a relative path some/where/else;
1106# this is interpreted as relative to $(prefix) and "perf" at
1107# runtime figures out where they are based on the path to the executable.
1108# This can help installing the suite in a relocatable way.
1109
1110# Make the path relative to DESTDIR, not to prefix
1111ifndef DESTDIR
1112prefix ?= $(HOME)
1113endif
1114bindir_relative = bin
1115bindir = $(abspath $(prefix)/$(bindir_relative))
1116includedir_relative = include
1117includedir = $(abspath $(prefix)/$(includedir_relative))
1118mandir = share/man
1119infodir = share/info
1120perfexecdir = libexec/perf-core
1121perf_include_dir = lib/perf/include
1122perf_examples_dir = lib/perf/examples
1123sharedir = $(prefix)/share
1124template_dir = share/perf-core/templates
1125STRACE_GROUPS_DIR = share/perf-core/strace/groups
1126htmldir = share/doc/perf-doc
1127tipdir = share/doc/perf-tip
1128srcdir = $(srctree)/tools/perf
1129ifeq ($(prefix),/usr)
1130sysconfdir = /etc
1131ETC_PERFCONFIG = $(sysconfdir)/perfconfig
1132else
1133sysconfdir = $(prefix)/etc
1134ETC_PERFCONFIG = etc/perfconfig
1135endif
1136ifndef lib
1137ifeq ($(SRCARCH)$(IS_64_BIT), x861)
1138lib = lib64
1139else
1140lib = lib
1141endif
1142endif # lib
1143libdir = $(prefix)/$(lib)
1144
1145# Shell quote (do not use $(call) to accommodate ancient setups);
1146ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
1147STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
1148DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
1149bindir_SQ = $(subst ','\'',$(bindir))
1150includedir_SQ = $(subst ','\'',$(includedir))
1151mandir_SQ = $(subst ','\'',$(mandir))
1152infodir_SQ = $(subst ','\'',$(infodir))
1153perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
1154perf_include_dir_SQ = $(subst ','\'',$(perf_include_dir))
1155perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir))
1156template_dir_SQ = $(subst ','\'',$(template_dir))
1157htmldir_SQ = $(subst ','\'',$(htmldir))
1158tipdir_SQ = $(subst ','\'',$(tipdir))
1159prefix_SQ = $(subst ','\'',$(prefix))
1160sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
1161libdir_SQ = $(subst ','\'',$(libdir))
1162srcdir_SQ = $(subst ','\'',$(srcdir))
1163
1164ifneq ($(filter /%,$(firstword $(perfexecdir))),)
1165perfexec_instdir = $(perfexecdir)
1166perf_include_instdir = $(perf_include_dir)
1167perf_examples_instdir = $(perf_examples_dir)
1168STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
1169tip_instdir = $(tipdir)
1170else
1171perfexec_instdir = $(prefix)/$(perfexecdir)
1172perf_include_instdir = $(prefix)/$(perf_include_dir)
1173perf_examples_instdir = $(prefix)/$(perf_examples_dir)
1174STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
1175tip_instdir = $(prefix)/$(tipdir)
1176endif
1177perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
1178perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir))
1179perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir))
1180STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
1181tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
1182
1183# If we install to $(HOME) we keep the traceevent default:
1184# $(HOME)/.traceevent/plugins
1185# Otherwise we install plugins into the global $(libdir).
1186ifdef DESTDIR
1187plugindir=$(libdir)/traceevent/plugins
1188plugindir_SQ= $(subst ','\'',$(plugindir))
1189endif
1190
1191print_var = $(eval $(print_var_code)) $(info $(MSG))
1192define print_var_code
1193    MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
1194endef
1195
1196ifeq ($(VF),1)
1197  # Display EXTRA features which are detected manualy
1198  # from here with feature_check call and thus cannot
1199  # be partof global state output.
1200  $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),))
1201  $(call print_var,prefix)
1202  $(call print_var,bindir)
1203  $(call print_var,libdir)
1204  $(call print_var,sysconfdir)
1205  $(call print_var,LIBUNWIND_DIR)
1206  $(call print_var,LIBDW_DIR)
1207  $(call print_var,JDIR)
1208
1209  ifeq ($(dwarf-post-unwind),1)
1210    $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
1211  endif
1212  $(info )
1213endif
1214
1215$(call detected_var,bindir_SQ)
1216$(call detected_var,PYTHON_WORD)
1217ifneq ($(OUTPUT),)
1218$(call detected_var,OUTPUT)
1219endif
1220$(call detected_var,htmldir_SQ)
1221$(call detected_var,infodir_SQ)
1222$(call detected_var,mandir_SQ)
1223$(call detected_var,ETC_PERFCONFIG_SQ)
1224$(call detected_var,STRACE_GROUPS_DIR_SQ)
1225$(call detected_var,prefix_SQ)
1226$(call detected_var,perfexecdir_SQ)
1227$(call detected_var,perf_include_dir_SQ)
1228$(call detected_var,perf_examples_dir_SQ)
1229$(call detected_var,tipdir_SQ)
1230$(call detected_var,srcdir_SQ)
1231$(call detected_var,LIBDIR)
1232$(call detected_var,GTK_CFLAGS)
1233$(call detected_var,PERL_EMBED_CCOPTS)
1234$(call detected_var,PYTHON_EMBED_CCOPTS)
1235ifneq ($(BISON_FILE_PREFIX_MAP),)
1236$(call detected_var,BISON_FILE_PREFIX_MAP)
1237endif
1238
1239# re-generate FEATURE-DUMP as we may have called feature_check, found out
1240# extra libraries to add to LDFLAGS of some other test and then redo those
1241# tests, see the block about libbfd, disassembler-four-args, for instance.
1242$(shell rm -f $(FEATURE_DUMP_FILENAME))
1243$(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME)))
1244
1245ifeq ($(feature_display),1)
1246  $(call feature_display_entries)
1247endif
1248