xref: /linux/tools/perf/Makefile.config (revision 8520a98dbab61e9e340cdfb72dd17ccc8a98961e)
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) $(EXTRA_WARNINGS)
20
21include $(srctree)/tools/scripts/Makefile.arch
22
23$(call detected_var,SRCARCH)
24
25NO_PERF_REGS := 1
26NO_SYSCALL_TABLE := 1
27
28# Additional ARCH settings for ppc
29ifeq ($(SRCARCH),powerpc)
30  NO_PERF_REGS := 0
31  NO_SYSCALL_TABLE := 0
32  CFLAGS += -I$(OUTPUT)arch/powerpc/include/generated
33  LIBUNWIND_LIBS := -lunwind -lunwind-ppc64
34endif
35
36# Additional ARCH settings for x86
37ifeq ($(SRCARCH),x86)
38  $(call detected,CONFIG_X86)
39  ifeq (${IS_64_BIT}, 1)
40    NO_SYSCALL_TABLE := 0
41    CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT -I$(OUTPUT)arch/x86/include/generated
42    ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
43    LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind -llzma
44    $(call detected,CONFIG_X86_64)
45  else
46    LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind
47  endif
48  NO_PERF_REGS := 0
49endif
50
51ifeq ($(SRCARCH),arm)
52  NO_PERF_REGS := 0
53  LIBUNWIND_LIBS = -lunwind -lunwind-arm
54endif
55
56ifeq ($(SRCARCH),arm64)
57  NO_PERF_REGS := 0
58  NO_SYSCALL_TABLE := 0
59  CFLAGS += -I$(OUTPUT)arch/arm64/include/generated
60  LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
61endif
62
63ifeq ($(SRCARCH),csky)
64  NO_PERF_REGS := 0
65endif
66
67ifeq ($(ARCH),s390)
68  NO_PERF_REGS := 0
69  NO_SYSCALL_TABLE := 0
70  CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated
71endif
72
73ifeq ($(NO_PERF_REGS),0)
74  $(call detected,CONFIG_PERF_REGS)
75endif
76
77ifneq ($(NO_SYSCALL_TABLE),1)
78  CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT
79endif
80
81# So far there's only x86 and arm libdw unwind support merged in perf.
82# Disable it on all other architectures in case libdw unwind
83# support is detected in system. Add supported architectures
84# to the check.
85ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390 csky))
86  NO_LIBDW_DWARF_UNWIND := 1
87endif
88
89ifeq ($(LIBUNWIND_LIBS),)
90  NO_LIBUNWIND := 1
91endif
92#
93# For linking with debug library, run like:
94#
95#   make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
96#
97
98libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
99define libunwind_arch_set_flags_code
100  FEATURE_CHECK_CFLAGS-libunwind-$(1)  = -I$(LIBUNWIND_DIR)/include
101  FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
102endef
103
104ifdef LIBUNWIND_DIR
105  LIBUNWIND_CFLAGS  = -I$(LIBUNWIND_DIR)/include
106  LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
107  LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64
108  $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
109endif
110
111# Set per-feature check compilation flags
112FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
113FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
114FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
115FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
116
117FEATURE_CHECK_LDFLAGS-libunwind-arm = -lunwind -lunwind-arm
118FEATURE_CHECK_LDFLAGS-libunwind-aarch64 = -lunwind -lunwind-aarch64
119FEATURE_CHECK_LDFLAGS-libunwind-x86 = -lunwind -llzma -lunwind-x86
120FEATURE_CHECK_LDFLAGS-libunwind-x86_64 = -lunwind -llzma -lunwind-x86_64
121
122FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto
123
124ifdef CSINCLUDES
125  LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)
126endif
127OPENCSDLIBS := -lopencsd_c_api -lopencsd
128ifdef CSLIBS
129  LIBOPENCSD_LDFLAGS := -L$(CSLIBS)
130endif
131FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS)
132FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS)
133
134ifeq ($(NO_PERF_REGS),0)
135  CFLAGS += -DHAVE_PERF_REGS_SUPPORT
136endif
137
138# for linking with debug library, run like:
139# make DEBUG=1 LIBDW_DIR=/opt/libdw/
140ifdef LIBDW_DIR
141  LIBDW_CFLAGS  := -I$(LIBDW_DIR)/include
142  LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
143endif
144DWARFLIBS := -ldw
145ifeq ($(findstring -static,${LDFLAGS}),-static)
146  DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2
147endif
148FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
149FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS)
150
151# for linking with debug library, run like:
152# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
153ifdef LIBBABELTRACE_DIR
154  LIBBABELTRACE_CFLAGS  := -I$(LIBBABELTRACE_DIR)/include
155  LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
156endif
157FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
158FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
159
160ifdef LIBZSTD_DIR
161  LIBZSTD_CFLAGS  := -I$(LIBZSTD_DIR)/lib
162  LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib
163endif
164FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS)
165FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS)
166
167FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi
168# include ARCH specific config
169-include $(src-perf)/arch/$(SRCARCH)/Makefile
170
171ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
172  CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
173endif
174
175include $(srctree)/tools/scripts/utilities.mak
176
177ifeq ($(call get-executable,$(FLEX)),)
178  dummy := $(error Error: $(FLEX) is missing on this system, please install it)
179endif
180
181ifeq ($(call get-executable,$(BISON)),)
182  dummy := $(error Error: $(BISON) is missing on this system, please install it)
183endif
184
185# Treat warnings as errors unless directed not to
186ifneq ($(WERROR),0)
187  CFLAGS += -Werror
188  CXXFLAGS += -Werror
189endif
190
191ifndef DEBUG
192  DEBUG := 0
193endif
194
195ifeq ($(DEBUG),0)
196ifeq ($(CC_NO_CLANG), 0)
197  CFLAGS += -O3
198else
199  CFLAGS += -O6
200endif
201endif
202
203ifdef PARSER_DEBUG
204  PARSER_DEBUG_BISON := -t
205  PARSER_DEBUG_FLEX  := -d
206  CFLAGS             += -DPARSER_DEBUG
207  $(call detected_var,PARSER_DEBUG_BISON)
208  $(call detected_var,PARSER_DEBUG_FLEX)
209endif
210
211# Try different combinations to accommodate systems that only have
212# python[2][-config] in weird combinations but always preferring
213# python2 and python2-config as per pep-0394. If we catch a
214# python[-config] in version 3, the version check will kill it.
215PYTHON2 := $(if $(call get-executable,python2),python2,python)
216override PYTHON := $(call get-executable-or-default,PYTHON,$(PYTHON2))
217PYTHON2_CONFIG := \
218  $(if $(call get-executable,$(PYTHON)-config),$(PYTHON)-config,python-config)
219override PYTHON_CONFIG := \
220  $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON2_CONFIG))
221
222grep-libs  = $(filter -l%,$(1))
223strip-libs  = $(filter-out -l%,$(1))
224
225PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
226
227ifdef PYTHON_CONFIG
228  PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
229  PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
230  PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
231  PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null)
232  FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
233endif
234
235FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
236FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
237FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
238FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
239
240FEATURE_CHECK_LDFLAGS-libaio = -lrt
241
242FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes -ldl
243
244CFLAGS += -fno-omit-frame-pointer
245CFLAGS += -ggdb3
246CFLAGS += -funwind-tables
247CFLAGS += -Wall
248CFLAGS += -Wextra
249CFLAGS += -std=gnu99
250
251CXXFLAGS += -std=gnu++11 -fno-exceptions -fno-rtti
252CXXFLAGS += -Wall
253CXXFLAGS += -fno-omit-frame-pointer
254CXXFLAGS += -ggdb3
255CXXFLAGS += -funwind-tables
256CXXFLAGS += -Wno-strict-aliasing
257
258# Enforce a non-executable stack, as we may regress (again) in the future by
259# adding assembler files missing the .GNU-stack linker note.
260LDFLAGS += -Wl,-z,noexecstack
261
262EXTLIBS = -lpthread -lrt -lm -ldl
263
264ifeq ($(FEATURES_DUMP),)
265include $(srctree)/tools/build/Makefile.feature
266else
267include $(FEATURES_DUMP)
268endif
269
270ifeq ($(feature-stackprotector-all), 1)
271  CFLAGS += -fstack-protector-all
272endif
273
274ifeq ($(DEBUG),0)
275  ifeq ($(feature-fortify-source), 1)
276    CFLAGS += -D_FORTIFY_SOURCE=2
277  endif
278endif
279
280INC_FLAGS += -I$(src-perf)/lib/include
281INC_FLAGS += -I$(src-perf)/util/include
282INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
283INC_FLAGS += -I$(srctree)/tools/include/
284INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
285INC_FLAGS += -I$(srctree)/tools/include/uapi
286INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
287INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
288
289# $(obj-perf)      for generated common-cmds.h
290# $(obj-perf)/util for generated bison/flex headers
291ifneq ($(OUTPUT),)
292INC_FLAGS += -I$(obj-perf)/util
293INC_FLAGS += -I$(obj-perf)
294endif
295
296INC_FLAGS += -I$(src-perf)/util
297INC_FLAGS += -I$(src-perf)
298INC_FLAGS += -I$(srctree)/tools/lib/
299
300CFLAGS   += $(INC_FLAGS)
301CXXFLAGS += $(INC_FLAGS)
302
303CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
304
305ifeq ($(feature-sync-compare-and-swap), 1)
306  CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
307endif
308
309ifeq ($(feature-pthread-attr-setaffinity-np), 1)
310  CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
311endif
312
313ifeq ($(feature-pthread-barrier), 1)
314  CFLAGS += -DHAVE_PTHREAD_BARRIER
315endif
316
317ifndef NO_BIONIC
318  $(call feature_check,bionic)
319  ifeq ($(feature-bionic), 1)
320    BIONIC := 1
321    CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE
322    CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE
323    EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
324    EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
325  endif
326endif
327
328ifeq ($(feature-eventfd), 1)
329  CFLAGS += -DHAVE_EVENTFD
330endif
331
332ifeq ($(feature-get_current_dir_name), 1)
333  CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME
334endif
335
336ifeq ($(feature-gettid), 1)
337  CFLAGS += -DHAVE_GETTID
338endif
339
340ifdef NO_LIBELF
341  NO_DWARF := 1
342  NO_DEMANGLE := 1
343  NO_LIBUNWIND := 1
344  NO_LIBDW_DWARF_UNWIND := 1
345  NO_LIBBPF := 1
346  NO_JVMTI := 1
347else
348  ifeq ($(feature-libelf), 0)
349    ifeq ($(feature-glibc), 1)
350      LIBC_SUPPORT := 1
351    endif
352    ifeq ($(BIONIC),1)
353      LIBC_SUPPORT := 1
354    endif
355    ifeq ($(LIBC_SUPPORT),1)
356      msg := $(warning No libelf found. Disables 'probe' tool, jvmti and BPF support in 'perf record'. Please install libelf-dev, libelf-devel or elfutils-libelf-devel);
357
358      NO_LIBELF := 1
359      NO_DWARF := 1
360      NO_DEMANGLE := 1
361      NO_LIBUNWIND := 1
362      NO_LIBDW_DWARF_UNWIND := 1
363      NO_LIBBPF := 1
364      NO_JVMTI := 1
365    else
366      ifneq ($(filter s% -static%,$(LDFLAGS),),)
367        msg := $(error No static glibc found, please install glibc-static);
368      else
369        msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
370      endif
371    endif
372  else
373    ifndef NO_LIBDW_DWARF_UNWIND
374      ifneq ($(feature-libdw-dwarf-unwind),1)
375        NO_LIBDW_DWARF_UNWIND := 1
376        msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
377      endif
378    endif
379    ifneq ($(feature-dwarf), 1)
380      ifndef NO_DWARF
381        msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
382        NO_DWARF := 1
383      endif
384    else
385      ifneq ($(feature-dwarf_getlocations), 1)
386        msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
387      else
388        CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT
389      endif # dwarf_getlocations
390    endif # Dwarf support
391  endif # libelf support
392endif # NO_LIBELF
393
394ifeq ($(feature-glibc), 1)
395  CFLAGS += -DHAVE_GLIBC_SUPPORT
396endif
397
398ifeq ($(feature-libaio), 1)
399  ifndef NO_AIO
400    CFLAGS += -DHAVE_AIO_SUPPORT
401  endif
402endif
403
404ifdef NO_DWARF
405  NO_LIBDW_DWARF_UNWIND := 1
406endif
407
408ifeq ($(feature-sched_getcpu), 1)
409  CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
410endif
411
412ifeq ($(feature-setns), 1)
413  CFLAGS += -DHAVE_SETNS_SUPPORT
414  $(call detected,CONFIG_SETNS)
415endif
416
417ifdef CORESIGHT
418  $(call feature_check,libopencsd)
419  ifeq ($(feature-libopencsd), 1)
420    CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
421    ifeq ($(feature-reallocarray), 0)
422      CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
423    endif
424    LDFLAGS += $(LIBOPENCSD_LDFLAGS)
425    EXTLIBS += $(OPENCSDLIBS)
426    $(call detected,CONFIG_LIBOPENCSD)
427    ifdef CSTRACE_RAW
428      CFLAGS += -DCS_DEBUG_RAW
429      ifeq (${CSTRACE_RAW}, packed)
430        CFLAGS += -DCS_RAW_PACKED
431      endif
432    endif
433  endif
434endif
435
436ifndef NO_LIBELF
437  CFLAGS += -DHAVE_LIBELF_SUPPORT
438  EXTLIBS += -lelf
439  $(call detected,CONFIG_LIBELF)
440
441  ifeq ($(feature-libelf-mmap), 1)
442    CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
443  endif
444
445  ifeq ($(feature-libelf-getphdrnum), 1)
446    CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
447  endif
448
449  ifeq ($(feature-libelf-gelf_getnote), 1)
450    CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
451  else
452    msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
453  endif
454
455  ifeq ($(feature-libelf-getshdrstrndx), 1)
456    CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
457  endif
458
459  ifndef NO_DWARF
460    ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
461      msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
462      NO_DWARF := 1
463    else
464      CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
465      LDFLAGS += $(LIBDW_LDFLAGS)
466      EXTLIBS += ${DWARFLIBS}
467      $(call detected,CONFIG_DWARF)
468    endif # PERF_HAVE_DWARF_REGS
469  endif # NO_DWARF
470
471  ifndef NO_LIBBPF
472    ifeq ($(feature-bpf), 1)
473      CFLAGS += -DHAVE_LIBBPF_SUPPORT
474      $(call detected,CONFIG_LIBBPF)
475    endif
476
477    ifndef NO_DWARF
478      ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
479        CFLAGS += -DHAVE_BPF_PROLOGUE
480        $(call detected,CONFIG_BPF_PROLOGUE)
481      else
482        msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset());
483      endif
484    else
485      msg := $(warning DWARF support is off, BPF prologue is disabled);
486    endif
487
488  endif # NO_LIBBPF
489endif # NO_LIBELF
490
491ifndef NO_SDT
492  ifneq ($(feature-sdt), 1)
493    msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
494    NO_SDT := 1;
495  else
496    CFLAGS += -DHAVE_SDT_EVENT
497    $(call detected,CONFIG_SDT_EVENT)
498  endif
499endif
500
501ifdef PERF_HAVE_JITDUMP
502  ifndef NO_LIBELF
503    $(call detected,CONFIG_JITDUMP)
504    CFLAGS += -DHAVE_JITDUMP
505  endif
506endif
507
508ifeq ($(SRCARCH),powerpc)
509  ifndef NO_DWARF
510    CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
511  endif
512endif
513
514ifndef NO_LIBUNWIND
515  have_libunwind :=
516
517  $(call feature_check,libunwind-x86)
518  ifeq ($(feature-libunwind-x86), 1)
519    $(call detected,CONFIG_LIBUNWIND_X86)
520    CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
521    LDFLAGS += -lunwind-x86
522    EXTLIBS_LIBUNWIND += -lunwind-x86
523    have_libunwind = 1
524  endif
525
526  $(call feature_check,libunwind-aarch64)
527  ifeq ($(feature-libunwind-aarch64), 1)
528    $(call detected,CONFIG_LIBUNWIND_AARCH64)
529    CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
530    LDFLAGS += -lunwind-aarch64
531    EXTLIBS_LIBUNWIND += -lunwind-aarch64
532    have_libunwind = 1
533    $(call feature_check,libunwind-debug-frame-aarch64)
534    ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
535      msg := $(warning No debug_frame support found in libunwind-aarch64);
536      CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
537    endif
538  endif
539
540  ifneq ($(feature-libunwind), 1)
541    msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
542    NO_LOCAL_LIBUNWIND := 1
543  else
544    have_libunwind := 1
545    $(call detected,CONFIG_LOCAL_LIBUNWIND)
546  endif
547
548  ifneq ($(have_libunwind), 1)
549    NO_LIBUNWIND := 1
550  endif
551else
552  NO_LOCAL_LIBUNWIND := 1
553endif
554
555ifndef NO_LIBBPF
556  ifneq ($(feature-bpf), 1)
557    msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
558    NO_LIBBPF := 1
559  endif
560endif
561
562dwarf-post-unwind := 1
563dwarf-post-unwind-text := BUG
564
565# setup DWARF post unwinder
566ifdef NO_LIBUNWIND
567  ifdef NO_LIBDW_DWARF_UNWIND
568    msg := $(warning Disabling post unwind, no support found.);
569    dwarf-post-unwind := 0
570  else
571    dwarf-post-unwind-text := libdw
572    $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
573  endif
574else
575  dwarf-post-unwind-text := libunwind
576  $(call detected,CONFIG_LIBUNWIND)
577  # Enable libunwind support by default.
578  ifndef NO_LIBDW_DWARF_UNWIND
579    NO_LIBDW_DWARF_UNWIND := 1
580  endif
581endif
582
583ifeq ($(dwarf-post-unwind),1)
584  CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
585  $(call detected,CONFIG_DWARF_UNWIND)
586else
587  NO_DWARF_UNWIND := 1
588endif
589
590ifndef NO_LOCAL_LIBUNWIND
591  ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
592    $(call feature_check,libunwind-debug-frame)
593    ifneq ($(feature-libunwind-debug-frame), 1)
594      msg := $(warning No debug_frame support found in libunwind);
595      CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
596    endif
597  else
598    # non-ARM has no dwarf_find_debug_frame() function:
599    CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
600  endif
601  EXTLIBS += $(LIBUNWIND_LIBS)
602  LDFLAGS += $(LIBUNWIND_LIBS)
603endif
604ifeq ($(findstring -static,${LDFLAGS}),-static)
605  # gcc -static links libgcc_eh which contans piece of libunwind
606  LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
607endif
608
609ifndef NO_LIBUNWIND
610  CFLAGS  += -DHAVE_LIBUNWIND_SUPPORT
611  CFLAGS  += $(LIBUNWIND_CFLAGS)
612  LDFLAGS += $(LIBUNWIND_LDFLAGS)
613  EXTLIBS += $(EXTLIBS_LIBUNWIND)
614endif
615
616ifeq ($(NO_SYSCALL_TABLE),0)
617  $(call detected,CONFIG_TRACE)
618else
619  ifndef NO_LIBAUDIT
620    ifneq ($(feature-libaudit), 1)
621      msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
622      NO_LIBAUDIT := 1
623    else
624      CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
625      EXTLIBS += -laudit
626      $(call detected,CONFIG_TRACE)
627    endif
628  endif
629endif
630
631ifndef NO_LIBCRYPTO
632  ifneq ($(feature-libcrypto), 1)
633    msg := $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev);
634    NO_LIBCRYPTO := 1
635  else
636    CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
637    EXTLIBS += -lcrypto
638    $(call detected,CONFIG_CRYPTO)
639  endif
640endif
641
642ifdef NO_NEWT
643  NO_SLANG=1
644endif
645
646ifndef NO_SLANG
647  ifneq ($(feature-libslang), 1)
648    ifneq ($(feature-libslang-include-subdir), 1)
649      msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
650      NO_SLANG := 1
651    else
652      CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR
653    endif
654  endif
655  ifndef NO_SLANG
656    # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
657    CFLAGS += -DHAVE_SLANG_SUPPORT
658    EXTLIBS += -lslang
659    $(call detected,CONFIG_SLANG)
660  endif
661endif
662
663ifndef NO_GTK2
664  FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
665  ifneq ($(feature-gtk2), 1)
666    msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
667    NO_GTK2 := 1
668  else
669    ifeq ($(feature-gtk2-infobar), 1)
670      GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
671    endif
672    CFLAGS += -DHAVE_GTK2_SUPPORT
673    GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
674    GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
675    EXTLIBS += -ldl
676  endif
677endif
678
679ifdef NO_LIBPERL
680  CFLAGS += -DNO_LIBPERL
681else
682  PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
683  PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
684  PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
685  PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
686  PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
687  PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
688  FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
689
690  ifneq ($(feature-libperl), 1)
691    CFLAGS += -DNO_LIBPERL
692    NO_LIBPERL := 1
693    msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
694  else
695    LDFLAGS += $(PERL_EMBED_LDFLAGS)
696    EXTLIBS += $(PERL_EMBED_LIBADD)
697    CFLAGS += -DHAVE_LIBPERL_SUPPORT
698    $(call detected,CONFIG_LIBPERL)
699  endif
700endif
701
702ifeq ($(feature-timerfd), 1)
703  CFLAGS += -DHAVE_TIMERFD_SUPPORT
704else
705  msg := $(warning No timerfd support. Disables 'perf kvm stat live');
706endif
707
708disable-python = $(eval $(disable-python_code))
709define disable-python_code
710  CFLAGS += -DNO_LIBPYTHON
711  $(warning $1)
712  NO_LIBPYTHON := 1
713endef
714
715ifdef NO_LIBPYTHON
716  $(call disable-python,Python support disabled by user)
717else
718
719  ifndef PYTHON
720    $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
721  else
722    PYTHON_WORD := $(call shell-wordify,$(PYTHON))
723
724    ifndef PYTHON_CONFIG
725      $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
726    else
727
728      ifneq ($(feature-libpython), 1)
729        $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
730      else
731         LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
732         EXTLIBS += $(PYTHON_EMBED_LIBADD)
733         LANG_BINDINGS += $(obj-perf)python/perf.so
734         CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
735         $(call detected,CONFIG_LIBPYTHON)
736      endif
737    endif
738  endif
739endif
740
741ifeq ($(feature-libbfd), 1)
742  EXTLIBS += -lbfd -lopcodes
743else
744  # we are on a system that requires -liberty and (maybe) -lz
745  # to link against -lbfd; test each case individually here
746
747  # call all detections now so we get correct
748  # status in VF output
749  $(call feature_check,libbfd-liberty)
750  $(call feature_check,libbfd-liberty-z)
751
752  ifeq ($(feature-libbfd-liberty), 1)
753    EXTLIBS += -lbfd -lopcodes -liberty
754    FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl
755  else
756    ifeq ($(feature-libbfd-liberty-z), 1)
757      EXTLIBS += -lbfd -lopcodes -liberty -lz
758      FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl
759    endif
760  endif
761  $(call feature_check,disassembler-four-args)
762endif
763
764ifdef NO_DEMANGLE
765  CFLAGS += -DNO_DEMANGLE
766else
767  ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
768    EXTLIBS += -liberty
769  else
770    ifeq ($(filter -liberty,$(EXTLIBS)),)
771      $(call feature_check,cplus-demangle)
772
773      # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
774      # or any of 'bfd iberty z' trinity
775      ifeq ($(feature-cplus-demangle), 1)
776        EXTLIBS += -liberty
777      else
778        msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
779        CFLAGS += -DNO_DEMANGLE
780      endif
781    endif
782  endif
783
784  ifneq ($(filter -liberty,$(EXTLIBS)),)
785    CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
786  endif
787endif
788
789ifneq ($(filter -lbfd,$(EXTLIBS)),)
790  CFLAGS += -DHAVE_LIBBFD_SUPPORT
791endif
792
793ifndef NO_ZLIB
794  ifeq ($(feature-zlib), 1)
795    CFLAGS += -DHAVE_ZLIB_SUPPORT
796    EXTLIBS += -lz
797    $(call detected,CONFIG_ZLIB)
798  else
799    NO_ZLIB := 1
800  endif
801endif
802
803ifndef NO_LZMA
804  ifeq ($(feature-lzma), 1)
805    CFLAGS += -DHAVE_LZMA_SUPPORT
806    EXTLIBS += -llzma
807    $(call detected,CONFIG_LZMA)
808  else
809    msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
810    NO_LZMA := 1
811  endif
812endif
813
814ifndef NO_LIBZSTD
815  ifeq ($(feature-libzstd), 1)
816    CFLAGS += -DHAVE_ZSTD_SUPPORT
817    CFLAGS += $(LIBZSTD_CFLAGS)
818    LDFLAGS += $(LIBZSTD_LDFLAGS)
819    EXTLIBS += -lzstd
820    $(call detected,CONFIG_ZSTD)
821  else
822    msg := $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR);
823    NO_LIBZSTD := 1
824  endif
825endif
826
827ifndef NO_LIBCAP
828  ifeq ($(feature-libcap), 1)
829    CFLAGS += -DHAVE_LIBCAP_SUPPORT
830    EXTLIBS += -lcap
831    $(call detected,CONFIG_LIBCAP)
832  else
833    msg := $(warning No libcap found, disables capability support, please install libcap-devel/libcap-dev);
834    NO_LIBCAP := 1
835  endif
836endif
837
838ifndef NO_BACKTRACE
839  ifeq ($(feature-backtrace), 1)
840    CFLAGS += -DHAVE_BACKTRACE_SUPPORT
841  endif
842endif
843
844ifndef NO_LIBNUMA
845  ifeq ($(feature-libnuma), 0)
846    msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
847    NO_LIBNUMA := 1
848  else
849    ifeq ($(feature-numa_num_possible_cpus), 0)
850      msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
851      NO_LIBNUMA := 1
852    else
853      CFLAGS += -DHAVE_LIBNUMA_SUPPORT
854      EXTLIBS += -lnuma
855      $(call detected,CONFIG_NUMA)
856    endif
857  endif
858endif
859
860ifdef HAVE_KVM_STAT_SUPPORT
861    CFLAGS += -DHAVE_KVM_STAT_SUPPORT
862endif
863
864ifeq ($(feature-disassembler-four-args), 1)
865    CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
866endif
867
868ifeq (${IS_64_BIT}, 1)
869  ifndef NO_PERF_READ_VDSO32
870    $(call feature_check,compile-32)
871    ifeq ($(feature-compile-32), 1)
872      CFLAGS += -DHAVE_PERF_READ_VDSO32
873    else
874      NO_PERF_READ_VDSO32 := 1
875    endif
876  endif
877  ifneq ($(SRCARCH), x86)
878    NO_PERF_READ_VDSOX32 := 1
879  endif
880  ifndef NO_PERF_READ_VDSOX32
881    $(call feature_check,compile-x32)
882    ifeq ($(feature-compile-x32), 1)
883      CFLAGS += -DHAVE_PERF_READ_VDSOX32
884    else
885      NO_PERF_READ_VDSOX32 := 1
886    endif
887  endif
888else
889  NO_PERF_READ_VDSO32 := 1
890  NO_PERF_READ_VDSOX32 := 1
891endif
892
893ifndef NO_LIBBABELTRACE
894  $(call feature_check,libbabeltrace)
895  ifeq ($(feature-libbabeltrace), 1)
896    CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
897    LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
898    EXTLIBS += -lbabeltrace-ctf
899    $(call detected,CONFIG_LIBBABELTRACE)
900  else
901    msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
902  endif
903endif
904
905ifndef NO_AUXTRACE
906  ifeq ($(SRCARCH),x86)
907    ifeq ($(feature-get_cpuid), 0)
908      msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
909      NO_AUXTRACE := 1
910    endif
911  endif
912  ifndef NO_AUXTRACE
913    $(call detected,CONFIG_AUXTRACE)
914    CFLAGS += -DHAVE_AUXTRACE_SUPPORT
915  endif
916endif
917
918ifndef NO_JVMTI
919  ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
920    JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
921  else
922    ifneq (,$(wildcard /usr/sbin/alternatives))
923      JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed 's%/jre/bin/java.%%g')
924    endif
925  endif
926  ifndef JDIR
927    $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
928    NO_JVMTI := 1
929  endif
930endif
931
932ifndef NO_JVMTI
933  FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
934  $(call feature_check,jvmti)
935  ifeq ($(feature-jvmti), 1)
936    $(call detected_var,JDIR)
937    ifndef NO_JVMTI_CMLR
938      FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti)
939      $(call feature_check,jvmti-cmlr)
940      ifeq ($(feature-jvmti-cmlr), 1)
941        CFLAGS += -DHAVE_JVMTI_CMLR
942      endif
943    endif # NO_JVMTI_CMLR
944  else
945    $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel)
946    NO_JVMTI := 1
947  endif
948endif
949
950USE_CXX = 0
951USE_CLANGLLVM = 0
952ifdef LIBCLANGLLVM
953  $(call feature_check,cxx)
954  ifneq ($(feature-cxx), 1)
955    msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
956  else
957    $(call feature_check,llvm)
958    $(call feature_check,llvm-version)
959    ifneq ($(feature-llvm), 1)
960      msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
961    else
962      $(call feature_check,clang)
963      ifneq ($(feature-clang), 1)
964        msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
965      else
966        CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
967        CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
968        $(call detected,CONFIG_CXX)
969        $(call detected,CONFIG_CLANGLLVM)
970	USE_CXX = 1
971	USE_LLVM = 1
972	USE_CLANG = 1
973        ifneq ($(feature-llvm-version),1)
974          msg := $(warning This version of LLVM is not tested. May cause build errors)
975        endif
976      endif
977    endif
978  endif
979endif
980
981# Among the variables below, these:
982#   perfexecdir
983#   perf_include_dir
984#   perf_examples_dir
985#   template_dir
986#   mandir
987#   infodir
988#   htmldir
989#   ETC_PERFCONFIG (but not sysconfdir)
990# can be specified as a relative path some/where/else;
991# this is interpreted as relative to $(prefix) and "perf" at
992# runtime figures out where they are based on the path to the executable.
993# This can help installing the suite in a relocatable way.
994
995# Make the path relative to DESTDIR, not to prefix
996ifndef DESTDIR
997prefix ?= $(HOME)
998endif
999bindir_relative = bin
1000bindir = $(abspath $(prefix)/$(bindir_relative))
1001mandir = share/man
1002infodir = share/info
1003perfexecdir = libexec/perf-core
1004perf_include_dir = lib/perf/include
1005perf_examples_dir = lib/perf/examples
1006sharedir = $(prefix)/share
1007template_dir = share/perf-core/templates
1008STRACE_GROUPS_DIR = share/perf-core/strace/groups
1009htmldir = share/doc/perf-doc
1010tipdir = share/doc/perf-tip
1011srcdir = $(srctree)/tools/perf
1012ifeq ($(prefix),/usr)
1013sysconfdir = /etc
1014ETC_PERFCONFIG = $(sysconfdir)/perfconfig
1015else
1016sysconfdir = $(prefix)/etc
1017ETC_PERFCONFIG = etc/perfconfig
1018endif
1019ifndef lib
1020ifeq ($(SRCARCH)$(IS_64_BIT), x861)
1021lib = lib64
1022else
1023lib = lib
1024endif
1025endif # lib
1026libdir = $(prefix)/$(lib)
1027
1028# Shell quote (do not use $(call) to accommodate ancient setups);
1029ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
1030STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
1031DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
1032bindir_SQ = $(subst ','\'',$(bindir))
1033mandir_SQ = $(subst ','\'',$(mandir))
1034infodir_SQ = $(subst ','\'',$(infodir))
1035perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
1036perf_include_dir_SQ = $(subst ','\'',$(perf_include_dir))
1037perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir))
1038template_dir_SQ = $(subst ','\'',$(template_dir))
1039htmldir_SQ = $(subst ','\'',$(htmldir))
1040tipdir_SQ = $(subst ','\'',$(tipdir))
1041prefix_SQ = $(subst ','\'',$(prefix))
1042sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
1043libdir_SQ = $(subst ','\'',$(libdir))
1044srcdir_SQ = $(subst ','\'',$(srcdir))
1045
1046ifneq ($(filter /%,$(firstword $(perfexecdir))),)
1047perfexec_instdir = $(perfexecdir)
1048perf_include_instdir = $(perf_include_dir)
1049perf_examples_instdir = $(perf_examples_dir)
1050STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
1051tip_instdir = $(tipdir)
1052else
1053perfexec_instdir = $(prefix)/$(perfexecdir)
1054perf_include_instdir = $(prefix)/$(perf_include_dir)
1055perf_examples_instdir = $(prefix)/$(perf_examples_dir)
1056STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
1057tip_instdir = $(prefix)/$(tipdir)
1058endif
1059perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
1060perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir))
1061perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir))
1062STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
1063tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
1064
1065# If we install to $(HOME) we keep the traceevent default:
1066# $(HOME)/.traceevent/plugins
1067# Otherwise we install plugins into the global $(libdir).
1068ifdef DESTDIR
1069plugindir=$(libdir)/traceevent/plugins
1070plugindir_SQ= $(subst ','\'',$(plugindir))
1071endif
1072
1073print_var = $(eval $(print_var_code)) $(info $(MSG))
1074define print_var_code
1075    MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
1076endef
1077
1078ifeq ($(VF),1)
1079  # Display EXTRA features which are detected manualy
1080  # from here with feature_check call and thus cannot
1081  # be partof global state output.
1082  $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),))
1083  $(call print_var,prefix)
1084  $(call print_var,bindir)
1085  $(call print_var,libdir)
1086  $(call print_var,sysconfdir)
1087  $(call print_var,LIBUNWIND_DIR)
1088  $(call print_var,LIBDW_DIR)
1089  $(call print_var,JDIR)
1090
1091  ifeq ($(dwarf-post-unwind),1)
1092    $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
1093  endif
1094  $(info )
1095endif
1096
1097$(call detected_var,bindir_SQ)
1098$(call detected_var,PYTHON_WORD)
1099ifneq ($(OUTPUT),)
1100$(call detected_var,OUTPUT)
1101endif
1102$(call detected_var,htmldir_SQ)
1103$(call detected_var,infodir_SQ)
1104$(call detected_var,mandir_SQ)
1105$(call detected_var,ETC_PERFCONFIG_SQ)
1106$(call detected_var,STRACE_GROUPS_DIR_SQ)
1107$(call detected_var,prefix_SQ)
1108$(call detected_var,perfexecdir_SQ)
1109$(call detected_var,perf_include_dir_SQ)
1110$(call detected_var,perf_examples_dir_SQ)
1111$(call detected_var,tipdir_SQ)
1112$(call detected_var,srcdir_SQ)
1113$(call detected_var,LIBDIR)
1114$(call detected_var,GTK_CFLAGS)
1115$(call detected_var,PERL_EMBED_CCOPTS)
1116$(call detected_var,PYTHON_EMBED_CCOPTS)
1117