xref: /openbmc/linux/tools/perf/Makefile.config (revision 099ab4fc) 
1# SPDX-License-Identifier: GPL-2.0-only
2
3ifeq ($(src-perf),)
4src-perf := $(srctree)/tools/perf
5endif
6
7ifeq ($(obj-perf),)
8obj-perf := $(OUTPUT)
9endif
10
11ifneq ($(obj-perf),)
12obj-perf := $(abspath $(obj-perf))/
13endif
14
15$(shell printf "" > $(OUTPUT).config-detected)
16detected     = $(shell echo "$(1)=y"       >> $(OUTPUT).config-detected)
17detected_var = $(shell echo "$(1)=$($(1))" >> $(OUTPUT).config-detected)
18
19CFLAGS := $(EXTRA_CFLAGS) $(filter-out -Wnested-externs,$(EXTRA_WARNINGS))
20
21include $(srctree)/tools/scripts/Makefile.arch
22
23$(call detected_var,SRCARCH)
24
25NO_PERF_REGS := 1
26
27ifneq ($(NO_SYSCALL_TABLE),1)
28  NO_SYSCALL_TABLE := 1
29
30  ifeq ($(SRCARCH),x86)
31    ifeq (${IS_64_BIT}, 1)
32      NO_SYSCALL_TABLE := 0
33    endif
34  else
35    ifeq ($(SRCARCH),$(filter $(SRCARCH),powerpc arm64 s390 mips))
36      NO_SYSCALL_TABLE := 0
37    endif
38  endif
39
40  ifneq ($(NO_SYSCALL_TABLE),1)
41    CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT
42  endif
43endif
44
45# Additional ARCH settings for ppc
46ifeq ($(SRCARCH),powerpc)
47  NO_PERF_REGS := 0
48  CFLAGS += -I$(OUTPUT)arch/powerpc/include/generated
49  LIBUNWIND_LIBS := -lunwind -lunwind-ppc64
50endif
51
52# Additional ARCH settings for x86
53ifeq ($(SRCARCH),x86)
54  $(call detected,CONFIG_X86)
55  ifeq (${IS_64_BIT}, 1)
56    CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT -I$(OUTPUT)arch/x86/include/generated
57    ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
58    LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind -llzma
59    $(call detected,CONFIG_X86_64)
60  else
61    LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind
62  endif
63  NO_PERF_REGS := 0
64endif
65
66ifeq ($(SRCARCH),arm)
67  NO_PERF_REGS := 0
68  LIBUNWIND_LIBS = -lunwind -lunwind-arm
69endif
70
71ifeq ($(SRCARCH),arm64)
72  NO_PERF_REGS := 0
73  CFLAGS += -I$(OUTPUT)arch/arm64/include/generated
74  LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
75endif
76
77ifeq ($(SRCARCH),riscv)
78  NO_PERF_REGS := 0
79endif
80
81ifeq ($(SRCARCH),csky)
82  NO_PERF_REGS := 0
83endif
84
85ifeq ($(ARCH),s390)
86  NO_PERF_REGS := 0
87  CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated
88endif
89
90ifeq ($(ARCH),mips)
91  NO_PERF_REGS := 0
92  CFLAGS += -I$(OUTPUT)arch/mips/include/generated
93  CFLAGS += -I../../arch/mips/include/uapi -I../../arch/mips/include/generated/uapi
94  LIBUNWIND_LIBS = -lunwind -lunwind-mips
95endif
96
97ifeq ($(NO_PERF_REGS),0)
98  $(call detected,CONFIG_PERF_REGS)
99endif
100
101# So far there's only x86 and arm libdw unwind support merged in perf.
102# Disable it on all other architectures in case libdw unwind
103# support is detected in system. Add supported architectures
104# to the check.
105ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390 csky riscv))
106  NO_LIBDW_DWARF_UNWIND := 1
107endif
108
109ifeq ($(LIBUNWIND_LIBS),)
110  NO_LIBUNWIND := 1
111endif
112#
113# For linking with debug library, run like:
114#
115#   make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
116#
117
118libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
119define libunwind_arch_set_flags_code
120  FEATURE_CHECK_CFLAGS-libunwind-$(1)  = -I$(LIBUNWIND_DIR)/include
121  FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
122endef
123
124ifdef LIBUNWIND_DIR
125  LIBUNWIND_CFLAGS  = -I$(LIBUNWIND_DIR)/include
126  LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
127  LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64
128  $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
129endif
130
131# Set per-feature check compilation flags
132FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
133FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
134FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
135FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
136
137FEATURE_CHECK_LDFLAGS-libunwind-arm = -lunwind -lunwind-arm
138FEATURE_CHECK_LDFLAGS-libunwind-aarch64 = -lunwind -lunwind-aarch64
139FEATURE_CHECK_LDFLAGS-libunwind-x86 = -lunwind -llzma -lunwind-x86
140FEATURE_CHECK_LDFLAGS-libunwind-x86_64 = -lunwind -llzma -lunwind-x86_64
141
142FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto
143
144ifdef CSINCLUDES
145  LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)
146endif
147OPENCSDLIBS := -lopencsd_c_api -lopencsd
148ifdef CSLIBS
149  LIBOPENCSD_LDFLAGS := -L$(CSLIBS)
150endif
151FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS)
152FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS)
153
154ifeq ($(NO_PERF_REGS),0)
155  CFLAGS += -DHAVE_PERF_REGS_SUPPORT
156endif
157
158# for linking with debug library, run like:
159# make DEBUG=1 LIBDW_DIR=/opt/libdw/
160ifdef LIBDW_DIR
161  LIBDW_CFLAGS  := -I$(LIBDW_DIR)/include
162  LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
163endif
164DWARFLIBS := -ldw
165ifeq ($(findstring -static,${LDFLAGS}),-static)
166  DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2
167endif
168FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
169FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS)
170
171# for linking with debug library, run like:
172# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
173ifdef LIBBABELTRACE_DIR
174  LIBBABELTRACE_CFLAGS  := -I$(LIBBABELTRACE_DIR)/include
175  LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
176endif
177FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
178FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
179
180ifdef LIBZSTD_DIR
181  LIBZSTD_CFLAGS  := -I$(LIBZSTD_DIR)/lib
182  LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib
183endif
184FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS)
185FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS)
186
187FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi
188# include ARCH specific config
189-include $(src-perf)/arch/$(SRCARCH)/Makefile
190
191ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
192  CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
193endif
194
195include $(srctree)/tools/scripts/utilities.mak
196
197ifeq ($(call get-executable,$(FLEX)),)
198  dummy := $(error Error: $(FLEX) is missing on this system, please install it)
199endif
200
201ifeq ($(call get-executable,$(BISON)),)
202  dummy := $(error Error: $(BISON) is missing on this system, please install it)
203endif
204
205# Treat warnings as errors unless directed not to
206ifneq ($(WERROR),0)
207  CORE_CFLAGS += -Werror
208  CXXFLAGS += -Werror
209endif
210
211ifndef DEBUG
212  DEBUG := 0
213endif
214
215ifeq ($(DEBUG),0)
216ifeq ($(CC_NO_CLANG), 0)
217  CORE_CFLAGS += -O3
218else
219  CORE_CFLAGS += -O6
220endif
221endif
222
223ifdef PARSER_DEBUG
224  PARSER_DEBUG_BISON := -t
225  PARSER_DEBUG_FLEX  := -d
226  CFLAGS             += -DPARSER_DEBUG
227  $(call detected_var,PARSER_DEBUG_BISON)
228  $(call detected_var,PARSER_DEBUG_FLEX)
229endif
230
231# Try different combinations to accommodate systems that only have
232# python[2][-config] in weird combinations but always preferring
233# python2 and python2-config as per pep-0394. If python2 or python
234# aren't found, then python3 is used.
235PYTHON_AUTO := python
236PYTHON_AUTO := $(if $(call get-executable,python3),python3,$(PYTHON_AUTO))
237PYTHON_AUTO := $(if $(call get-executable,python),python,$(PYTHON_AUTO))
238PYTHON_AUTO := $(if $(call get-executable,python2),python2,$(PYTHON_AUTO))
239override PYTHON := $(call get-executable-or-default,PYTHON,$(PYTHON_AUTO))
240PYTHON_AUTO_CONFIG := \
241  $(if $(call get-executable,$(PYTHON)-config),$(PYTHON)-config,python-config)
242override PYTHON_CONFIG := \
243  $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON_AUTO_CONFIG))
244
245grep-libs  = $(filter -l%,$(1))
246strip-libs  = $(filter-out -l%,$(1))
247
248PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
249
250# Python 3.8 changed the output of `python-config --ldflags` to not include the
251# '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for
252# libpython fails if that flag is not included in LDFLAGS
253ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0)
254  PYTHON_CONFIG_LDFLAGS := --ldflags --embed
255else
256  PYTHON_CONFIG_LDFLAGS := --ldflags
257endif
258
259ifdef PYTHON_CONFIG
260  PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) $(PYTHON_CONFIG_LDFLAGS) 2>/dev/null)
261  PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
262  PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
263  PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null)
264  FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
265endif
266
267FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
268FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
269FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
270FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
271
272FEATURE_CHECK_LDFLAGS-libaio = -lrt
273
274FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes -ldl
275
276CORE_CFLAGS += -fno-omit-frame-pointer
277CORE_CFLAGS += -ggdb3
278CORE_CFLAGS += -funwind-tables
279CORE_CFLAGS += -Wall
280CORE_CFLAGS += -Wextra
281CORE_CFLAGS += -std=gnu99
282
283CXXFLAGS += -std=gnu++11 -fno-exceptions -fno-rtti
284CXXFLAGS += -Wall
285CXXFLAGS += -fno-omit-frame-pointer
286CXXFLAGS += -ggdb3
287CXXFLAGS += -funwind-tables
288CXXFLAGS += -Wno-strict-aliasing
289
290# Enforce a non-executable stack, as we may regress (again) in the future by
291# adding assembler files missing the .GNU-stack linker note.
292LDFLAGS += -Wl,-z,noexecstack
293
294EXTLIBS = -lpthread -lrt -lm -ldl
295
296ifneq ($(TCMALLOC),)
297  CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free
298  EXTLIBS += -ltcmalloc
299endif
300
301ifeq ($(FEATURES_DUMP),)
302# We will display at the end of this Makefile.config, using $(call feature_display_entries)
303# As we may retry some feature detection here, see the disassembler-four-args case, for instance
304  FEATURE_DISPLAY_DEFERRED := 1
305include $(srctree)/tools/build/Makefile.feature
306else
307include $(FEATURES_DUMP)
308endif
309
310ifeq ($(feature-stackprotector-all), 1)
311  CORE_CFLAGS += -fstack-protector-all
312endif
313
314ifeq ($(DEBUG),0)
315  ifeq ($(feature-fortify-source), 1)
316    CORE_CFLAGS += -D_FORTIFY_SOURCE=2
317  endif
318endif
319
320INC_FLAGS += -I$(srctree)/tools/lib/perf/include
321INC_FLAGS += -I$(src-perf)/util/include
322INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
323INC_FLAGS += -I$(srctree)/tools/include/
324INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
325INC_FLAGS += -I$(srctree)/tools/include/uapi
326INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
327INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
328
329# $(obj-perf)      for generated common-cmds.h
330# $(obj-perf)/util for generated bison/flex headers
331ifneq ($(OUTPUT),)
332INC_FLAGS += -I$(obj-perf)/util
333INC_FLAGS += -I$(obj-perf)
334endif
335
336INC_FLAGS += -I$(src-perf)/util
337INC_FLAGS += -I$(src-perf)
338INC_FLAGS += -I$(srctree)/tools/lib/
339
340CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
341
342CFLAGS   += $(CORE_CFLAGS) $(INC_FLAGS)
343CXXFLAGS += $(INC_FLAGS)
344
345LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS)
346
347ifeq ($(feature-sync-compare-and-swap), 1)
348  CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
349endif
350
351ifeq ($(feature-pthread-attr-setaffinity-np), 1)
352  CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
353endif
354
355ifeq ($(feature-pthread-barrier), 1)
356  CFLAGS += -DHAVE_PTHREAD_BARRIER
357endif
358
359ifndef NO_BIONIC
360  $(call feature_check,bionic)
361  ifeq ($(feature-bionic), 1)
362    BIONIC := 1
363    CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE
364    CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE
365    EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
366    EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
367  endif
368endif
369
370ifeq ($(feature-eventfd), 1)
371  CFLAGS += -DHAVE_EVENTFD_SUPPORT
372endif
373
374ifeq ($(feature-get_current_dir_name), 1)
375  CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME
376endif
377
378ifeq ($(feature-gettid), 1)
379  CFLAGS += -DHAVE_GETTID
380endif
381
382ifeq ($(feature-file-handle), 1)
383  CFLAGS += -DHAVE_FILE_HANDLE
384endif
385
386ifdef NO_LIBELF
387  NO_DWARF := 1
388  NO_DEMANGLE := 1
389  NO_LIBUNWIND := 1
390  NO_LIBDW_DWARF_UNWIND := 1
391  NO_LIBBPF := 1
392  NO_JVMTI := 1
393else
394  ifeq ($(feature-libelf), 0)
395    ifeq ($(feature-glibc), 1)
396      LIBC_SUPPORT := 1
397    endif
398    ifeq ($(BIONIC),1)
399      LIBC_SUPPORT := 1
400    endif
401    ifeq ($(LIBC_SUPPORT),1)
402      msg := $(warning No libelf found. Disables 'probe' tool, jvmti and BPF support in 'perf record'. Please install libelf-dev, libelf-devel or elfutils-libelf-devel);
403
404      NO_LIBELF := 1
405      NO_DWARF := 1
406      NO_DEMANGLE := 1
407      NO_LIBUNWIND := 1
408      NO_LIBDW_DWARF_UNWIND := 1
409      NO_LIBBPF := 1
410      NO_JVMTI := 1
411    else
412      ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),)
413        ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0)
414          msg := $(error No libasan found, please install libasan);
415        endif
416      endif
417
418      ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),)
419        ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0)
420          msg := $(error No libubsan found, please install libubsan);
421        endif
422      endif
423
424      ifneq ($(filter s% -static%,$(LDFLAGS),),)
425        msg := $(error No static glibc found, please install glibc-static);
426      else
427        msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
428      endif
429    endif
430  else
431    ifndef NO_LIBDW_DWARF_UNWIND
432      ifneq ($(feature-libdw-dwarf-unwind),1)
433        NO_LIBDW_DWARF_UNWIND := 1
434        msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
435      endif
436    endif
437    ifneq ($(feature-dwarf), 1)
438      ifndef NO_DWARF
439        msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
440        NO_DWARF := 1
441      endif
442    else
443      ifneq ($(feature-dwarf_getlocations), 1)
444        msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
445      else
446        CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT
447      endif # dwarf_getlocations
448    endif # Dwarf support
449  endif # libelf support
450endif # NO_LIBELF
451
452ifeq ($(feature-glibc), 1)
453  CFLAGS += -DHAVE_GLIBC_SUPPORT
454endif
455
456ifeq ($(feature-libaio), 1)
457  ifndef NO_AIO
458    CFLAGS += -DHAVE_AIO_SUPPORT
459  endif
460endif
461
462ifdef NO_DWARF
463  NO_LIBDW_DWARF_UNWIND := 1
464endif
465
466ifeq ($(feature-sched_getcpu), 1)
467  CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
468endif
469
470ifeq ($(feature-setns), 1)
471  CFLAGS += -DHAVE_SETNS_SUPPORT
472  $(call detected,CONFIG_SETNS)
473endif
474
475ifdef CORESIGHT
476  $(call feature_check,libopencsd)
477  ifeq ($(feature-libopencsd), 1)
478    CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
479    ifeq ($(feature-reallocarray), 0)
480      CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
481    endif
482    LDFLAGS += $(LIBOPENCSD_LDFLAGS)
483    EXTLIBS += $(OPENCSDLIBS)
484    $(call detected,CONFIG_LIBOPENCSD)
485    ifdef CSTRACE_RAW
486      CFLAGS += -DCS_DEBUG_RAW
487      ifeq (${CSTRACE_RAW}, packed)
488        CFLAGS += -DCS_RAW_PACKED
489      endif
490    endif
491  endif
492endif
493
494ifndef NO_LIBELF
495  CFLAGS += -DHAVE_LIBELF_SUPPORT
496  EXTLIBS += -lelf
497  $(call detected,CONFIG_LIBELF)
498
499  ifeq ($(feature-libelf-getphdrnum), 1)
500    CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
501  endif
502
503  ifeq ($(feature-libelf-gelf_getnote), 1)
504    CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
505  else
506    msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
507  endif
508
509  ifeq ($(feature-libelf-getshdrstrndx), 1)
510    CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
511  endif
512
513  ifndef NO_LIBDEBUGINFOD
514    $(call feature_check,libdebuginfod)
515    ifeq ($(feature-libdebuginfod), 1)
516      CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT
517      EXTLIBS += -ldebuginfod
518    endif
519  endif
520
521  ifndef NO_DWARF
522    ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
523      msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
524      NO_DWARF := 1
525    else
526      CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
527      LDFLAGS += $(LIBDW_LDFLAGS)
528      EXTLIBS += ${DWARFLIBS}
529      $(call detected,CONFIG_DWARF)
530    endif # PERF_HAVE_DWARF_REGS
531  endif # NO_DWARF
532
533  ifndef NO_LIBBPF
534    ifeq ($(feature-bpf), 1)
535      CFLAGS += -DHAVE_LIBBPF_SUPPORT
536      $(call detected,CONFIG_LIBBPF)
537
538      # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status
539      $(call feature_check,libbpf)
540      ifdef LIBBPF_DYNAMIC
541        ifeq ($(feature-libbpf), 1)
542          EXTLIBS += -lbpf
543        else
544          dummy := $(error Error: No libbpf devel library found, please install libbpf-devel);
545        endif
546      endif
547    endif
548
549    ifndef NO_DWARF
550      ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
551        CFLAGS += -DHAVE_BPF_PROLOGUE
552        $(call detected,CONFIG_BPF_PROLOGUE)
553      else
554        msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset());
555      endif
556    else
557      msg := $(warning DWARF support is off, BPF prologue is disabled);
558    endif
559
560  endif # NO_LIBBPF
561endif # NO_LIBELF
562
563ifndef NO_SDT
564  ifneq ($(feature-sdt), 1)
565    msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
566    NO_SDT := 1;
567  else
568    CFLAGS += -DHAVE_SDT_EVENT
569    $(call detected,CONFIG_SDT_EVENT)
570  endif
571endif
572
573ifdef PERF_HAVE_JITDUMP
574  ifndef NO_LIBELF
575    $(call detected,CONFIG_JITDUMP)
576    CFLAGS += -DHAVE_JITDUMP
577  endif
578endif
579
580ifeq ($(SRCARCH),powerpc)
581  ifndef NO_DWARF
582    CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
583  endif
584endif
585
586ifndef NO_LIBUNWIND
587  have_libunwind :=
588
589  $(call feature_check,libunwind-x86)
590  ifeq ($(feature-libunwind-x86), 1)
591    $(call detected,CONFIG_LIBUNWIND_X86)
592    CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
593    LDFLAGS += -lunwind-x86
594    EXTLIBS_LIBUNWIND += -lunwind-x86
595    have_libunwind = 1
596  endif
597
598  $(call feature_check,libunwind-aarch64)
599  ifeq ($(feature-libunwind-aarch64), 1)
600    $(call detected,CONFIG_LIBUNWIND_AARCH64)
601    CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
602    LDFLAGS += -lunwind-aarch64
603    EXTLIBS_LIBUNWIND += -lunwind-aarch64
604    have_libunwind = 1
605    $(call feature_check,libunwind-debug-frame-aarch64)
606    ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
607      msg := $(warning No debug_frame support found in libunwind-aarch64);
608      CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
609    endif
610  endif
611
612  ifneq ($(feature-libunwind), 1)
613    msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
614    NO_LOCAL_LIBUNWIND := 1
615  else
616    have_libunwind := 1
617    $(call detected,CONFIG_LOCAL_LIBUNWIND)
618  endif
619
620  ifneq ($(have_libunwind), 1)
621    NO_LIBUNWIND := 1
622  endif
623else
624  NO_LOCAL_LIBUNWIND := 1
625endif
626
627ifndef NO_LIBBPF
628  ifneq ($(feature-bpf), 1)
629    msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
630    NO_LIBBPF := 1
631  endif
632endif
633
634ifdef BUILD_BPF_SKEL
635  $(call feature_check,clang-bpf-co-re)
636  ifeq ($(feature-clang-bpf-co-re), 0)
637    dummy := $(error Error: clang too old. Please install recent clang)
638  endif
639  $(call detected,CONFIG_PERF_BPF_SKEL)
640  CFLAGS += -DHAVE_BPF_SKEL
641endif
642
643dwarf-post-unwind := 1
644dwarf-post-unwind-text := BUG
645
646# setup DWARF post unwinder
647ifdef NO_LIBUNWIND
648  ifdef NO_LIBDW_DWARF_UNWIND
649    msg := $(warning Disabling post unwind, no support found.);
650    dwarf-post-unwind := 0
651  else
652    dwarf-post-unwind-text := libdw
653    $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
654  endif
655else
656  dwarf-post-unwind-text := libunwind
657  $(call detected,CONFIG_LIBUNWIND)
658  # Enable libunwind support by default.
659  ifndef NO_LIBDW_DWARF_UNWIND
660    NO_LIBDW_DWARF_UNWIND := 1
661  endif
662endif
663
664ifeq ($(dwarf-post-unwind),1)
665  CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
666  $(call detected,CONFIG_DWARF_UNWIND)
667else
668  NO_DWARF_UNWIND := 1
669endif
670
671ifndef NO_LOCAL_LIBUNWIND
672  ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
673    $(call feature_check,libunwind-debug-frame)
674    ifneq ($(feature-libunwind-debug-frame), 1)
675      msg := $(warning No debug_frame support found in libunwind);
676      CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
677    endif
678  else
679    # non-ARM has no dwarf_find_debug_frame() function:
680    CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
681  endif
682  EXTLIBS += $(LIBUNWIND_LIBS)
683  LDFLAGS += $(LIBUNWIND_LIBS)
684endif
685ifeq ($(findstring -static,${LDFLAGS}),-static)
686  # gcc -static links libgcc_eh which contans piece of libunwind
687  LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
688endif
689
690ifndef NO_LIBUNWIND
691  CFLAGS  += -DHAVE_LIBUNWIND_SUPPORT
692  CFLAGS  += $(LIBUNWIND_CFLAGS)
693  LDFLAGS += $(LIBUNWIND_LDFLAGS)
694  EXTLIBS += $(EXTLIBS_LIBUNWIND)
695endif
696
697ifeq ($(NO_SYSCALL_TABLE),0)
698  $(call detected,CONFIG_TRACE)
699else
700  ifndef NO_LIBAUDIT
701    $(call feature_check,libaudit)
702    ifneq ($(feature-libaudit), 1)
703      msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
704      NO_LIBAUDIT := 1
705    else
706      CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
707      EXTLIBS += -laudit
708      $(call detected,CONFIG_TRACE)
709    endif
710  endif
711endif
712
713ifndef NO_LIBCRYPTO
714  ifneq ($(feature-libcrypto), 1)
715    msg := $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev);
716    NO_LIBCRYPTO := 1
717  else
718    CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
719    EXTLIBS += -lcrypto
720    $(call detected,CONFIG_CRYPTO)
721  endif
722endif
723
724ifdef NO_NEWT
725  NO_SLANG=1
726endif
727
728ifndef NO_SLANG
729  ifneq ($(feature-libslang), 1)
730    ifneq ($(feature-libslang-include-subdir), 1)
731      msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
732      NO_SLANG := 1
733    else
734      CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR
735    endif
736  endif
737  ifndef NO_SLANG
738    # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
739    CFLAGS += -DHAVE_SLANG_SUPPORT
740    EXTLIBS += -lslang
741    $(call detected,CONFIG_SLANG)
742  endif
743endif
744
745ifdef GTK2
746  FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
747  $(call feature_check,gtk2)
748  ifneq ($(feature-gtk2), 1)
749    msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
750    NO_GTK2 := 1
751  else
752    $(call feature_check,gtk2-infobar)
753    ifeq ($(feature-gtk2-infobar), 1)
754      GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
755    endif
756    CFLAGS += -DHAVE_GTK2_SUPPORT
757    GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
758    GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
759    EXTLIBS += -ldl
760  endif
761endif
762
763ifdef NO_LIBPERL
764  CFLAGS += -DNO_LIBPERL
765else
766  PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
767  PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
768  PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
769  PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
770  PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
771  PERL_EMBED_CCOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(PERL_EMBED_CCOPTS))
772  PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
773  FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
774
775  ifneq ($(feature-libperl), 1)
776    CFLAGS += -DNO_LIBPERL
777    NO_LIBPERL := 1
778    msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
779  else
780    LDFLAGS += $(PERL_EMBED_LDFLAGS)
781    EXTLIBS += $(PERL_EMBED_LIBADD)
782    CFLAGS += -DHAVE_LIBPERL_SUPPORT
783    $(call detected,CONFIG_LIBPERL)
784  endif
785endif
786
787ifeq ($(feature-timerfd), 1)
788  CFLAGS += -DHAVE_TIMERFD_SUPPORT
789else
790  msg := $(warning No timerfd support. Disables 'perf kvm stat live');
791endif
792
793disable-python = $(eval $(disable-python_code))
794define disable-python_code
795  CFLAGS += -DNO_LIBPYTHON
796  $(warning $1)
797  NO_LIBPYTHON := 1
798endef
799
800ifdef NO_LIBPYTHON
801  $(call disable-python,Python support disabled by user)
802else
803
804  ifndef PYTHON
805    $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
806  else
807    PYTHON_WORD := $(call shell-wordify,$(PYTHON))
808
809    ifndef PYTHON_CONFIG
810      $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
811    else
812
813      ifneq ($(feature-libpython), 1)
814        $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
815      else
816         LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
817         EXTLIBS += $(PYTHON_EMBED_LIBADD)
818         LANG_BINDINGS += $(obj-perf)python/perf.so
819         CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
820         $(call detected,CONFIG_LIBPYTHON)
821      endif
822    endif
823  endif
824endif
825
826ifeq ($(feature-libbfd), 1)
827  EXTLIBS += -lbfd -lopcodes
828else
829  # we are on a system that requires -liberty and (maybe) -lz
830  # to link against -lbfd; test each case individually here
831
832  # call all detections now so we get correct
833  # status in VF output
834  $(call feature_check,libbfd-liberty)
835  $(call feature_check,libbfd-liberty-z)
836
837  ifeq ($(feature-libbfd-liberty), 1)
838    EXTLIBS += -lbfd -lopcodes -liberty
839    FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl
840  else
841    ifeq ($(feature-libbfd-liberty-z), 1)
842      EXTLIBS += -lbfd -lopcodes -liberty -lz
843      FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl
844    endif
845  endif
846  $(call feature_check,disassembler-four-args)
847endif
848
849ifeq ($(feature-libbfd-buildid), 1)
850  CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT
851else
852  msg := $(warning Old version of libbfd/binutils things like PE executable profiling will not be available);
853endif
854
855ifdef NO_DEMANGLE
856  CFLAGS += -DNO_DEMANGLE
857else
858  ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
859    EXTLIBS += -liberty
860  else
861    ifeq ($(filter -liberty,$(EXTLIBS)),)
862      $(call feature_check,cplus-demangle)
863
864      # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
865      # or any of 'bfd iberty z' trinity
866      ifeq ($(feature-cplus-demangle), 1)
867        EXTLIBS += -liberty
868      else
869        msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
870        CFLAGS += -DNO_DEMANGLE
871      endif
872    endif
873  endif
874
875  ifneq ($(filter -liberty,$(EXTLIBS)),)
876    CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
877  endif
878endif
879
880ifneq ($(filter -lbfd,$(EXTLIBS)),)
881  CFLAGS += -DHAVE_LIBBFD_SUPPORT
882endif
883
884ifndef NO_ZLIB
885  ifeq ($(feature-zlib), 1)
886    CFLAGS += -DHAVE_ZLIB_SUPPORT
887    EXTLIBS += -lz
888    $(call detected,CONFIG_ZLIB)
889  else
890    NO_ZLIB := 1
891  endif
892endif
893
894ifndef NO_LZMA
895  ifeq ($(feature-lzma), 1)
896    CFLAGS += -DHAVE_LZMA_SUPPORT
897    EXTLIBS += -llzma
898    $(call detected,CONFIG_LZMA)
899  else
900    msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
901    NO_LZMA := 1
902  endif
903endif
904
905ifndef NO_LIBZSTD
906  ifeq ($(feature-libzstd), 1)
907    CFLAGS += -DHAVE_ZSTD_SUPPORT
908    CFLAGS += $(LIBZSTD_CFLAGS)
909    LDFLAGS += $(LIBZSTD_LDFLAGS)
910    EXTLIBS += -lzstd
911    $(call detected,CONFIG_ZSTD)
912  else
913    msg := $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR);
914    NO_LIBZSTD := 1
915  endif
916endif
917
918ifndef NO_LIBCAP
919  ifeq ($(feature-libcap), 1)
920    CFLAGS += -DHAVE_LIBCAP_SUPPORT
921    EXTLIBS += -lcap
922    $(call detected,CONFIG_LIBCAP)
923  else
924    msg := $(warning No libcap found, disables capability support, please install libcap-devel/libcap-dev);
925    NO_LIBCAP := 1
926  endif
927endif
928
929ifndef NO_BACKTRACE
930  ifeq ($(feature-backtrace), 1)
931    CFLAGS += -DHAVE_BACKTRACE_SUPPORT
932  endif
933endif
934
935ifndef NO_LIBNUMA
936  ifeq ($(feature-libnuma), 0)
937    msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
938    NO_LIBNUMA := 1
939  else
940    ifeq ($(feature-numa_num_possible_cpus), 0)
941      msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
942      NO_LIBNUMA := 1
943    else
944      CFLAGS += -DHAVE_LIBNUMA_SUPPORT
945      EXTLIBS += -lnuma
946      $(call detected,CONFIG_NUMA)
947    endif
948  endif
949endif
950
951ifdef HAVE_KVM_STAT_SUPPORT
952    CFLAGS += -DHAVE_KVM_STAT_SUPPORT
953endif
954
955ifeq ($(feature-disassembler-four-args), 1)
956    CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
957endif
958
959ifeq (${IS_64_BIT}, 1)
960  ifndef NO_PERF_READ_VDSO32
961    $(call feature_check,compile-32)
962    ifeq ($(feature-compile-32), 1)
963      CFLAGS += -DHAVE_PERF_READ_VDSO32
964    else
965      NO_PERF_READ_VDSO32 := 1
966    endif
967  endif
968  ifneq ($(SRCARCH), x86)
969    NO_PERF_READ_VDSOX32 := 1
970  endif
971  ifndef NO_PERF_READ_VDSOX32
972    $(call feature_check,compile-x32)
973    ifeq ($(feature-compile-x32), 1)
974      CFLAGS += -DHAVE_PERF_READ_VDSOX32
975    else
976      NO_PERF_READ_VDSOX32 := 1
977    endif
978  endif
979else
980  NO_PERF_READ_VDSO32 := 1
981  NO_PERF_READ_VDSOX32 := 1
982endif
983
984ifndef NO_LIBBABELTRACE
985  $(call feature_check,libbabeltrace)
986  ifeq ($(feature-libbabeltrace), 1)
987    CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
988    LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
989    EXTLIBS += -lbabeltrace-ctf
990    $(call detected,CONFIG_LIBBABELTRACE)
991  else
992    msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
993  endif
994endif
995
996ifndef NO_AUXTRACE
997  ifeq ($(SRCARCH),x86)
998    ifeq ($(feature-get_cpuid), 0)
999      msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
1000      NO_AUXTRACE := 1
1001    endif
1002  endif
1003  ifndef NO_AUXTRACE
1004    $(call detected,CONFIG_AUXTRACE)
1005    CFLAGS += -DHAVE_AUXTRACE_SUPPORT
1006  endif
1007endif
1008
1009ifndef NO_JVMTI
1010  ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
1011    JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
1012  else
1013    ifneq (,$(wildcard /usr/sbin/alternatives))
1014      JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g')
1015    endif
1016  endif
1017  ifndef JDIR
1018    $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
1019    NO_JVMTI := 1
1020  endif
1021endif
1022
1023ifndef NO_JVMTI
1024  FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
1025  $(call feature_check,jvmti)
1026  ifeq ($(feature-jvmti), 1)
1027    $(call detected_var,JDIR)
1028    ifndef NO_JVMTI_CMLR
1029      FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti)
1030      $(call feature_check,jvmti-cmlr)
1031      ifeq ($(feature-jvmti-cmlr), 1)
1032        CFLAGS += -DHAVE_JVMTI_CMLR
1033      endif
1034    endif # NO_JVMTI_CMLR
1035  else
1036    $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel)
1037    NO_JVMTI := 1
1038  endif
1039endif
1040
1041USE_CXX = 0
1042USE_CLANGLLVM = 0
1043ifdef LIBCLANGLLVM
1044  $(call feature_check,cxx)
1045  ifneq ($(feature-cxx), 1)
1046    msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
1047  else
1048    $(call feature_check,llvm)
1049    $(call feature_check,llvm-version)
1050    ifneq ($(feature-llvm), 1)
1051      msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
1052    else
1053      $(call feature_check,clang)
1054      ifneq ($(feature-clang), 1)
1055        msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
1056      else
1057        CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
1058        CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
1059        $(call detected,CONFIG_CXX)
1060        $(call detected,CONFIG_CLANGLLVM)
1061	USE_CXX = 1
1062	USE_LLVM = 1
1063	USE_CLANG = 1
1064        ifneq ($(feature-llvm-version),1)
1065          msg := $(warning This version of LLVM is not tested. May cause build errors)
1066        endif
1067      endif
1068    endif
1069  endif
1070endif
1071
1072ifdef LIBPFM4
1073  $(call feature_check,libpfm4)
1074  ifeq ($(feature-libpfm4), 1)
1075    CFLAGS += -DHAVE_LIBPFM
1076    EXTLIBS += -lpfm
1077    ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1
1078    $(call detected,CONFIG_LIBPFM4)
1079  else
1080    msg := $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev);
1081    NO_LIBPFM4 := 1
1082  endif
1083endif
1084
1085ifdef LIBTRACEEVENT_DYNAMIC
1086  $(call feature_check,libtraceevent)
1087  ifeq ($(feature-libtraceevent), 1)
1088    EXTLIBS += -ltraceevent
1089  else
1090    dummy := $(error Error: No libtraceevent devel library found, please install libtraceevent-devel);
1091  endif
1092endif
1093
1094# Among the variables below, these:
1095#   perfexecdir
1096#   perf_include_dir
1097#   perf_examples_dir
1098#   template_dir
1099#   mandir
1100#   infodir
1101#   htmldir
1102#   ETC_PERFCONFIG (but not sysconfdir)
1103# can be specified as a relative path some/where/else;
1104# this is interpreted as relative to $(prefix) and "perf" at
1105# runtime figures out where they are based on the path to the executable.
1106# This can help installing the suite in a relocatable way.
1107
1108# Make the path relative to DESTDIR, not to prefix
1109ifndef DESTDIR
1110prefix ?= $(HOME)
1111endif
1112bindir_relative = bin
1113bindir = $(abspath $(prefix)/$(bindir_relative))
1114mandir = share/man
1115infodir = share/info
1116perfexecdir = libexec/perf-core
1117perf_include_dir = lib/perf/include
1118perf_examples_dir = lib/perf/examples
1119sharedir = $(prefix)/share
1120template_dir = share/perf-core/templates
1121STRACE_GROUPS_DIR = share/perf-core/strace/groups
1122htmldir = share/doc/perf-doc
1123tipdir = share/doc/perf-tip
1124srcdir = $(srctree)/tools/perf
1125ifeq ($(prefix),/usr)
1126sysconfdir = /etc
1127ETC_PERFCONFIG = $(sysconfdir)/perfconfig
1128else
1129sysconfdir = $(prefix)/etc
1130ETC_PERFCONFIG = etc/perfconfig
1131endif
1132ifndef lib
1133ifeq ($(SRCARCH)$(IS_64_BIT), x861)
1134lib = lib64
1135else
1136lib = lib
1137endif
1138endif # lib
1139libdir = $(prefix)/$(lib)
1140
1141# Shell quote (do not use $(call) to accommodate ancient setups);
1142ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
1143STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
1144DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
1145bindir_SQ = $(subst ','\'',$(bindir))
1146mandir_SQ = $(subst ','\'',$(mandir))
1147infodir_SQ = $(subst ','\'',$(infodir))
1148perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
1149perf_include_dir_SQ = $(subst ','\'',$(perf_include_dir))
1150perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir))
1151template_dir_SQ = $(subst ','\'',$(template_dir))
1152htmldir_SQ = $(subst ','\'',$(htmldir))
1153tipdir_SQ = $(subst ','\'',$(tipdir))
1154prefix_SQ = $(subst ','\'',$(prefix))
1155sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
1156libdir_SQ = $(subst ','\'',$(libdir))
1157srcdir_SQ = $(subst ','\'',$(srcdir))
1158
1159ifneq ($(filter /%,$(firstword $(perfexecdir))),)
1160perfexec_instdir = $(perfexecdir)
1161perf_include_instdir = $(perf_include_dir)
1162perf_examples_instdir = $(perf_examples_dir)
1163STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
1164tip_instdir = $(tipdir)
1165else
1166perfexec_instdir = $(prefix)/$(perfexecdir)
1167perf_include_instdir = $(prefix)/$(perf_include_dir)
1168perf_examples_instdir = $(prefix)/$(perf_examples_dir)
1169STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
1170tip_instdir = $(prefix)/$(tipdir)
1171endif
1172perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
1173perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir))
1174perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir))
1175STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
1176tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
1177
1178# If we install to $(HOME) we keep the traceevent default:
1179# $(HOME)/.traceevent/plugins
1180# Otherwise we install plugins into the global $(libdir).
1181ifdef DESTDIR
1182plugindir=$(libdir)/traceevent/plugins
1183plugindir_SQ= $(subst ','\'',$(plugindir))
1184endif
1185
1186print_var = $(eval $(print_var_code)) $(info $(MSG))
1187define print_var_code
1188    MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
1189endef
1190
1191ifeq ($(VF),1)
1192  # Display EXTRA features which are detected manualy
1193  # from here with feature_check call and thus cannot
1194  # be partof global state output.
1195  $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),))
1196  $(call print_var,prefix)
1197  $(call print_var,bindir)
1198  $(call print_var,libdir)
1199  $(call print_var,sysconfdir)
1200  $(call print_var,LIBUNWIND_DIR)
1201  $(call print_var,LIBDW_DIR)
1202  $(call print_var,JDIR)
1203
1204  ifeq ($(dwarf-post-unwind),1)
1205    $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
1206  endif
1207  $(info )
1208endif
1209
1210$(call detected_var,bindir_SQ)
1211$(call detected_var,PYTHON_WORD)
1212ifneq ($(OUTPUT),)
1213$(call detected_var,OUTPUT)
1214endif
1215$(call detected_var,htmldir_SQ)
1216$(call detected_var,infodir_SQ)
1217$(call detected_var,mandir_SQ)
1218$(call detected_var,ETC_PERFCONFIG_SQ)
1219$(call detected_var,STRACE_GROUPS_DIR_SQ)
1220$(call detected_var,prefix_SQ)
1221$(call detected_var,perfexecdir_SQ)
1222$(call detected_var,perf_include_dir_SQ)
1223$(call detected_var,perf_examples_dir_SQ)
1224$(call detected_var,tipdir_SQ)
1225$(call detected_var,srcdir_SQ)
1226$(call detected_var,LIBDIR)
1227$(call detected_var,GTK_CFLAGS)
1228$(call detected_var,PERL_EMBED_CCOPTS)
1229$(call detected_var,PYTHON_EMBED_CCOPTS)
1230
1231# re-generate FEATURE-DUMP as we may have called feature_check, found out
1232# extra libraries to add to LDFLAGS of some other test and then redo those
1233# tests, see the block about libbfd, disassembler-four-args, for instance.
1234$(shell rm -f $(FEATURE_DUMP_FILENAME))
1235$(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME)))
1236
1237ifeq ($(feature_display),1)
1238  $(call feature_display_entries)
1239endif
1240