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TOMOYO Linux Cross Reference
Linux/tools/perf/Makefile.config

Version: ~ [ linux-6.12-rc7 ] ~ [ linux-6.11.7 ] ~ [ linux-6.10.14 ] ~ [ linux-6.9.12 ] ~ [ linux-6.8.12 ] ~ [ linux-6.7.12 ] ~ [ linux-6.6.60 ] ~ [ linux-6.5.13 ] ~ [ linux-6.4.16 ] ~ [ linux-6.3.13 ] ~ [ linux-6.2.16 ] ~ [ linux-6.1.116 ] ~ [ linux-6.0.19 ] ~ [ linux-5.19.17 ] ~ [ linux-5.18.19 ] ~ [ linux-5.17.15 ] ~ [ linux-5.16.20 ] ~ [ linux-5.15.171 ] ~ [ linux-5.14.21 ] ~ [ linux-5.13.19 ] ~ [ linux-5.12.19 ] ~ [ linux-5.11.22 ] ~ [ linux-5.10.229 ] ~ [ linux-5.9.16 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.285 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.323 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.336 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.337 ] ~ [ linux-4.4.302 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.12 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

Diff markup

Differences between /tools/perf/Makefile.config (Architecture sparc) and /tools/perf/Makefile.config (Architecture alpha)


  1 # SPDX-License-Identifier: GPL-2.0-only             1 # SPDX-License-Identifier: GPL-2.0-only
  2                                                     2 
  3 ifeq ($(src-perf),)                                 3 ifeq ($(src-perf),)
  4 src-perf := $(srctree)/tools/perf                   4 src-perf := $(srctree)/tools/perf
  5 endif                                               5 endif
  6                                                     6 
  7 ifeq ($(obj-perf),)                                 7 ifeq ($(obj-perf),)
  8 obj-perf := $(OUTPUT)                               8 obj-perf := $(OUTPUT)
  9 endif                                               9 endif
 10                                                    10 
 11 ifneq ($(obj-perf),)                               11 ifneq ($(obj-perf),)
 12 obj-perf := $(abspath $(obj-perf))/                12 obj-perf := $(abspath $(obj-perf))/
 13 endif                                              13 endif
 14                                                    14 
 15 $(shell printf "" > $(OUTPUT).config-detected)     15 $(shell printf "" > $(OUTPUT).config-detected)
 16 detected     = $(shell echo "$(1)=y"       >>      16 detected     = $(shell echo "$(1)=y"       >> $(OUTPUT).config-detected)
 17 detected_var = $(shell echo "$(1)=$($(1))" >>      17 detected_var = $(shell echo "$(1)=$($(1))" >> $(OUTPUT).config-detected)
 18                                                    18 
 19 CFLAGS := $(EXTRA_CFLAGS) $(filter-out -Wneste     19 CFLAGS := $(EXTRA_CFLAGS) $(filter-out -Wnested-externs,$(EXTRA_WARNINGS))
 20 HOSTCFLAGS := $(filter-out -Wnested-externs,$(     20 HOSTCFLAGS := $(filter-out -Wnested-externs,$(EXTRA_WARNINGS))
 21                                                    21 
 22 # Enabled Wthread-safety analysis for clang bu     22 # Enabled Wthread-safety analysis for clang builds.
 23 ifeq ($(CC_NO_CLANG), 0)                           23 ifeq ($(CC_NO_CLANG), 0)
 24   CFLAGS += -Wthread-safety                        24   CFLAGS += -Wthread-safety
 25 endif                                              25 endif
 26                                                    26 
 27 include $(srctree)/tools/scripts/Makefile.arch     27 include $(srctree)/tools/scripts/Makefile.arch
 28                                                    28 
 29 $(call detected_var,SRCARCH)                       29 $(call detected_var,SRCARCH)
 30                                                    30 
 31 ifneq ($(NO_SYSCALL_TABLE),1)                      31 ifneq ($(NO_SYSCALL_TABLE),1)
 32   NO_SYSCALL_TABLE := 1                            32   NO_SYSCALL_TABLE := 1
 33                                                    33 
 34   ifeq ($(SRCARCH),$(filter $(SRCARCH),x86 pow     34   ifeq ($(SRCARCH),$(filter $(SRCARCH),x86 powerpc arm64 s390 mips loongarch))
 35     NO_SYSCALL_TABLE := 0                          35     NO_SYSCALL_TABLE := 0
 36   endif                                            36   endif
 37                                                    37 
 38   ifneq ($(NO_SYSCALL_TABLE),1)                    38   ifneq ($(NO_SYSCALL_TABLE),1)
 39     CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT         39     CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT
 40   endif                                            40   endif
 41 endif                                              41 endif
 42                                                    42 
 43 # Additional ARCH settings for ppc                 43 # Additional ARCH settings for ppc
 44 ifeq ($(SRCARCH),powerpc)                          44 ifeq ($(SRCARCH),powerpc)
 45   CFLAGS += -I$(OUTPUT)arch/powerpc/include/ge     45   CFLAGS += -I$(OUTPUT)arch/powerpc/include/generated
 46   LIBUNWIND_LIBS := -lunwind -lunwind-ppc64        46   LIBUNWIND_LIBS := -lunwind -lunwind-ppc64
 47 endif                                              47 endif
 48                                                    48 
 49 # Additional ARCH settings for x86                 49 # Additional ARCH settings for x86
 50 ifeq ($(SRCARCH),x86)                              50 ifeq ($(SRCARCH),x86)
 51   $(call detected,CONFIG_X86)                      51   $(call detected,CONFIG_X86)
 52   CFLAGS += -I$(OUTPUT)arch/x86/include/genera     52   CFLAGS += -I$(OUTPUT)arch/x86/include/generated
 53   ifeq (${IS_64_BIT}, 1)                           53   ifeq (${IS_64_BIT}, 1)
 54     CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT           54     CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT
 55     ARCH_INCLUDE = ../../arch/x86/lib/memcpy_6     55     ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
 56     LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind      56     LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind -llzma
 57     $(call detected,CONFIG_X86_64)                 57     $(call detected,CONFIG_X86_64)
 58   else                                             58   else
 59     LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunw     59     LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind
 60   endif                                            60   endif
 61 endif                                              61 endif
 62                                                    62 
 63 ifeq ($(SRCARCH),arm)                              63 ifeq ($(SRCARCH),arm)
 64   LIBUNWIND_LIBS = -lunwind -lunwind-arm           64   LIBUNWIND_LIBS = -lunwind -lunwind-arm
 65 endif                                              65 endif
 66                                                    66 
 67 ifeq ($(SRCARCH),arm64)                            67 ifeq ($(SRCARCH),arm64)
 68   CFLAGS += -I$(OUTPUT)arch/arm64/include/gene     68   CFLAGS += -I$(OUTPUT)arch/arm64/include/generated
 69   LIBUNWIND_LIBS = -lunwind -lunwind-aarch64       69   LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
 70 endif                                              70 endif
 71                                                    71 
 72 ifeq ($(SRCARCH),loongarch)                        72 ifeq ($(SRCARCH),loongarch)
 73   CFLAGS += -I$(OUTPUT)arch/loongarch/include/     73   CFLAGS += -I$(OUTPUT)arch/loongarch/include/generated
 74   LIBUNWIND_LIBS = -lunwind -lunwind-loongarch     74   LIBUNWIND_LIBS = -lunwind -lunwind-loongarch64
 75 endif                                              75 endif
 76                                                    76 
 77 ifeq ($(ARCH),s390)                                77 ifeq ($(ARCH),s390)
 78   CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include     78   CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated
 79 endif                                              79 endif
 80                                                    80 
 81 ifeq ($(ARCH),mips)                                81 ifeq ($(ARCH),mips)
 82   CFLAGS += -I$(OUTPUT)arch/mips/include/gener     82   CFLAGS += -I$(OUTPUT)arch/mips/include/generated
 83   LIBUNWIND_LIBS = -lunwind -lunwind-mips          83   LIBUNWIND_LIBS = -lunwind -lunwind-mips
 84 endif                                              84 endif
 85                                                    85 
 86 # So far there's only x86 and arm libdw unwind     86 # So far there's only x86 and arm libdw unwind support merged in perf.
 87 # Disable it on all other architectures in cas     87 # Disable it on all other architectures in case libdw unwind
 88 # support is detected in system. Add supported     88 # support is detected in system. Add supported architectures
 89 # to the check.                                    89 # to the check.
 90 ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm      90 ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390 csky riscv loongarch))
 91   NO_LIBDW_DWARF_UNWIND := 1                       91   NO_LIBDW_DWARF_UNWIND := 1
 92 endif                                              92 endif
 93                                                    93 
 94 ifeq ($(LIBUNWIND_LIBS),)                          94 ifeq ($(LIBUNWIND_LIBS),)
 95   NO_LIBUNWIND := 1                                95   NO_LIBUNWIND := 1
 96 endif                                              96 endif
 97 #                                                  97 #
 98 # For linking with debug library, run like:        98 # For linking with debug library, run like:
 99 #                                                  99 #
100 #   make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/    100 #   make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
101 #                                                 101 #
102                                                   102 
103 libunwind_arch_set_flags = $(eval $(libunwind_    103 libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
104 define libunwind_arch_set_flags_code              104 define libunwind_arch_set_flags_code
105   FEATURE_CHECK_CFLAGS-libunwind-$(1)  = -I$(L    105   FEATURE_CHECK_CFLAGS-libunwind-$(1)  = -I$(LIBUNWIND_DIR)/include
106   FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(L    106   FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
107 endef                                             107 endef
108                                                   108 
109 ifdef LIBUNWIND_DIR                               109 ifdef LIBUNWIND_DIR
110   LIBUNWIND_CFLAGS  = -I$(LIBUNWIND_DIR)/inclu    110   LIBUNWIND_CFLAGS  = -I$(LIBUNWIND_DIR)/include
111   LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib      111   LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
112   LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 deb    112   LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64 loongarch
113   $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),    113   $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
114 endif                                             114 endif
115                                                   115 
116 # Set per-feature check compilation flags         116 # Set per-feature check compilation flags
117 FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_C    117 FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
118 FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_    118 FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
119 FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $    119 FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
120 FEATURE_CHECK_LDFLAGS-libunwind-debug-frame =     120 FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
121                                                   121 
122 FEATURE_CHECK_LDFLAGS-libunwind-arm += -lunwin    122 FEATURE_CHECK_LDFLAGS-libunwind-arm += -lunwind -lunwind-arm
123 FEATURE_CHECK_LDFLAGS-libunwind-aarch64 += -lu    123 FEATURE_CHECK_LDFLAGS-libunwind-aarch64 += -lunwind -lunwind-aarch64
124 FEATURE_CHECK_LDFLAGS-libunwind-x86 += -lunwin    124 FEATURE_CHECK_LDFLAGS-libunwind-x86 += -lunwind -llzma -lunwind-x86
125 FEATURE_CHECK_LDFLAGS-libunwind-x86_64 += -lun    125 FEATURE_CHECK_LDFLAGS-libunwind-x86_64 += -lunwind -llzma -lunwind-x86_64
126                                                   126 
127 FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto        127 FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto
128                                                   128 
129 ifdef CSINCLUDES                                  129 ifdef CSINCLUDES
130   LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)            130   LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)
131 endif                                             131 endif
132 OPENCSDLIBS := -lopencsd_c_api -lopencsd          132 OPENCSDLIBS := -lopencsd_c_api -lopencsd
133 ifeq ($(findstring -static,${LDFLAGS}),-static    133 ifeq ($(findstring -static,${LDFLAGS}),-static)
134   OPENCSDLIBS += -lstdc++                         134   OPENCSDLIBS += -lstdc++
135 endif                                             135 endif
136 ifdef CSLIBS                                      136 ifdef CSLIBS
137   LIBOPENCSD_LDFLAGS := -L$(CSLIBS)               137   LIBOPENCSD_LDFLAGS := -L$(CSLIBS)
138 endif                                             138 endif
139 FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCS    139 FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS)
140 FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENC    140 FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS)
141                                                   141 
142 # for linking with debug library, run like:       142 # for linking with debug library, run like:
143 # make DEBUG=1 LIBDW_DIR=/opt/libdw/              143 # make DEBUG=1 LIBDW_DIR=/opt/libdw/
144 ifdef LIBDW_DIR                                   144 ifdef LIBDW_DIR
145   LIBDW_CFLAGS  := -I$(LIBDW_DIR)/include         145   LIBDW_CFLAGS  := -I$(LIBDW_DIR)/include
146   LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib             146   LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
147 endif                                             147 endif
148 DWARFLIBS := -ldw                                 148 DWARFLIBS := -ldw
149 ifeq ($(findstring -static,${LDFLAGS}),-static    149 ifeq ($(findstring -static,${LDFLAGS}),-static)
150   DWARFLIBS += -lelf -lz -llzma -lbz2 -lzstd      150   DWARFLIBS += -lelf -lz -llzma -lbz2 -lzstd
151                                                   151 
152   LIBDW_VERSION := $(shell $(PKG_CONFIG) --mod    152   LIBDW_VERSION := $(shell $(PKG_CONFIG) --modversion libdw).0.0
153   LIBDW_VERSION_1 := $(word 1, $(subst ., ,$(L    153   LIBDW_VERSION_1 := $(word 1, $(subst ., ,$(LIBDW_VERSION)))
154   LIBDW_VERSION_2 := $(word 2, $(subst ., ,$(L    154   LIBDW_VERSION_2 := $(word 2, $(subst ., ,$(LIBDW_VERSION)))
155                                                   155 
156   # Elfutils merged libebl.a into libdw.a star    156   # Elfutils merged libebl.a into libdw.a starting from version 0.177,
157   # Link libebl.a only if libdw is older than     157   # Link libebl.a only if libdw is older than this version.
158   ifeq ($(shell test $(LIBDW_VERSION_2) -lt 17    158   ifeq ($(shell test $(LIBDW_VERSION_2) -lt 177; echo $$?),0)
159     DWARFLIBS += -lebl                            159     DWARFLIBS += -lebl
160   endif                                           160   endif
161                                                   161 
162   # Must put -ldl after -lebl for dependency      162   # Must put -ldl after -lebl for dependency
163   DWARFLIBS += -ldl                               163   DWARFLIBS += -ldl
164 endif                                             164 endif
165 FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(L    165 FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
166 FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(    166 FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS)
167                                                   167 
168 # for linking with debug library, run like:       168 # for linking with debug library, run like:
169 # make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabel    169 # make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
170 ifdef LIBBABELTRACE_DIR                           170 ifdef LIBBABELTRACE_DIR
171   LIBBABELTRACE_CFLAGS  := -I$(LIBBABELTRACE_D    171   LIBBABELTRACE_CFLAGS  := -I$(LIBBABELTRACE_DIR)/include
172   LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_D    172   LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
173 endif                                             173 endif
174 FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBAB    174 FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
175 FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBA    175 FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
176                                                   176 
177 # for linking with debug library, run like:       177 # for linking with debug library, run like:
178 # make DEBUG=1 LIBCAPSTONE_DIR=/opt/capstone/     178 # make DEBUG=1 LIBCAPSTONE_DIR=/opt/capstone/
179 ifdef LIBCAPSTONE_DIR                             179 ifdef LIBCAPSTONE_DIR
180   LIBCAPSTONE_CFLAGS  := -I$(LIBCAPSTONE_DIR)/    180   LIBCAPSTONE_CFLAGS  := -I$(LIBCAPSTONE_DIR)/include
181   LIBCAPSTONE_LDFLAGS := -L$(LIBCAPSTONE_DIR)/    181   LIBCAPSTONE_LDFLAGS := -L$(LIBCAPSTONE_DIR)/
182 endif                                             182 endif
183 FEATURE_CHECK_CFLAGS-libcapstone := $(LIBCAPST    183 FEATURE_CHECK_CFLAGS-libcapstone := $(LIBCAPSTONE_CFLAGS)
184 FEATURE_CHECK_LDFLAGS-libcapstone := $(LIBCAPS    184 FEATURE_CHECK_LDFLAGS-libcapstone := $(LIBCAPSTONE_LDFLAGS) -lcapstone
185                                                   185 
186 ifdef LIBZSTD_DIR                                 186 ifdef LIBZSTD_DIR
187   LIBZSTD_CFLAGS  := -I$(LIBZSTD_DIR)/lib         187   LIBZSTD_CFLAGS  := -I$(LIBZSTD_DIR)/lib
188   LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib         188   LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib
189 endif                                             189 endif
190 FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLA    190 FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS)
191 FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDF    191 FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS)
192                                                   192 
193 # for linking with debug library, run like:       193 # for linking with debug library, run like:
194 # make DEBUG=1 PKG_CONFIG_PATH=/opt/libtraceev    194 # make DEBUG=1 PKG_CONFIG_PATH=/opt/libtraceevent/(lib|lib64)/pkgconfig
195                                                   195 
196 ifneq ($(NO_LIBTRACEEVENT),1)                     196 ifneq ($(NO_LIBTRACEEVENT),1)
197   ifeq ($(call get-executable,$(PKG_CONFIG)),)    197   ifeq ($(call get-executable,$(PKG_CONFIG)),)
198     $(error Error: $(PKG_CONFIG) needed by lib    198     $(error Error: $(PKG_CONFIG) needed by libtraceevent is missing on this system, please install it)
199   endif                                           199   endif
200 endif                                             200 endif
201                                                   201 
202 FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/to    202 FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi
203 # include ARCH specific config                    203 # include ARCH specific config
204 -include $(src-perf)/arch/$(SRCARCH)/Makefile     204 -include $(src-perf)/arch/$(SRCARCH)/Makefile
205                                                   205 
206 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSE    206 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
207   CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OF    207   CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
208 endif                                             208 endif
209                                                   209 
210 include $(srctree)/tools/scripts/utilities.mak    210 include $(srctree)/tools/scripts/utilities.mak
211                                                   211 
212 ifeq ($(call get-executable,$(FLEX)),)            212 ifeq ($(call get-executable,$(FLEX)),)
213   $(error Error: $(FLEX) is missing on this sy    213   $(error Error: $(FLEX) is missing on this system, please install it)
214 endif                                             214 endif
215                                                   215 
216 ifeq ($(call get-executable,$(BISON)),)           216 ifeq ($(call get-executable,$(BISON)),)
217   $(error Error: $(BISON) is missing on this s    217   $(error Error: $(BISON) is missing on this system, please install it)
218 endif                                             218 endif
219                                                   219 
220 ifneq ($(OUTPUT),)                                220 ifneq ($(OUTPUT),)
221   ifeq ($(shell expr $(shell $(BISON) --versio    221   ifeq ($(shell expr $(shell $(BISON) --version | grep bison | sed -e 's/.\+ \([0-9]\+\).\([0-9]\+\).\([0-9]\+\)/\1\2\3/g') \>\= 371), 1)
222     BISON_FILE_PREFIX_MAP := --file-prefix-map    222     BISON_FILE_PREFIX_MAP := --file-prefix-map=$(OUTPUT)=
223   endif                                           223   endif
224 endif                                             224 endif
225                                                   225 
226 # Treat warnings as errors unless directed not    226 # Treat warnings as errors unless directed not to
227 ifneq ($(WERROR),0)                               227 ifneq ($(WERROR),0)
228   CORE_CFLAGS += -Werror                          228   CORE_CFLAGS += -Werror
229   CXXFLAGS += -Werror                             229   CXXFLAGS += -Werror
230   HOSTCFLAGS += -Werror                           230   HOSTCFLAGS += -Werror
231 endif                                             231 endif
232                                                   232 
233 ifndef DEBUG                                      233 ifndef DEBUG
234   DEBUG := 0                                      234   DEBUG := 0
235 endif                                             235 endif
236                                                   236 
237 ifeq ($(DEBUG),0)                                 237 ifeq ($(DEBUG),0)
238 CORE_CFLAGS += -DNDEBUG=1                         238 CORE_CFLAGS += -DNDEBUG=1
239 CORE_CFLAGS += -O3                                239 CORE_CFLAGS += -O3
240 else                                              240 else
241   CORE_CFLAGS += -g                               241   CORE_CFLAGS += -g
242   CXXFLAGS += -g                                  242   CXXFLAGS += -g
243 endif                                             243 endif
244                                                   244 
245 ifdef PARSER_DEBUG                                245 ifdef PARSER_DEBUG
246   PARSER_DEBUG_BISON := -t                        246   PARSER_DEBUG_BISON := -t
247   PARSER_DEBUG_FLEX  := -d                        247   PARSER_DEBUG_FLEX  := -d
248   CFLAGS             += -DPARSER_DEBUG            248   CFLAGS             += -DPARSER_DEBUG
249   $(call detected_var,PARSER_DEBUG_BISON)         249   $(call detected_var,PARSER_DEBUG_BISON)
250   $(call detected_var,PARSER_DEBUG_FLEX)          250   $(call detected_var,PARSER_DEBUG_FLEX)
251 endif                                             251 endif
252                                                   252 
253 ifdef LTO                                         253 ifdef LTO
254   CORE_CFLAGS += -flto                            254   CORE_CFLAGS += -flto
255   CXXFLAGS += -flto                               255   CXXFLAGS += -flto
256 endif                                             256 endif
257                                                   257 
258 # Try different combinations to accommodate sy    258 # Try different combinations to accommodate systems that only have
259 # python[2][3]-config in weird combinations in    259 # python[2][3]-config in weird combinations in the following order of
260 # priority from lowest to highest:                260 # priority from lowest to highest:
261 #   * python2-config as per pep-0394.             261 #   * python2-config as per pep-0394.
262 #   * python-config                               262 #   * python-config
263 #   * python3-config                              263 #   * python3-config
264 #   * $(PYTHON)-config (If PYTHON is user supp    264 #   * $(PYTHON)-config (If PYTHON is user supplied but PYTHON_CONFIG isn't)
265 #                                                 265 #
266 PYTHON_AUTO := python-config                      266 PYTHON_AUTO := python-config
267 PYTHON_AUTO := $(if $(call get-executable,pyth    267 PYTHON_AUTO := $(if $(call get-executable,python2-config),python2-config,$(PYTHON_AUTO))
268 PYTHON_AUTO := $(if $(call get-executable,pyth    268 PYTHON_AUTO := $(if $(call get-executable,python-config),python-config,$(PYTHON_AUTO))
269 PYTHON_AUTO := $(if $(call get-executable,pyth    269 PYTHON_AUTO := $(if $(call get-executable,python3-config),python3-config,$(PYTHON_AUTO))
270                                                   270 
271 # If PYTHON is defined but PYTHON_CONFIG isn't    271 # If PYTHON is defined but PYTHON_CONFIG isn't, then take $(PYTHON)-config as if it was the user
272 # supplied value for PYTHON_CONFIG. Because it    272 # supplied value for PYTHON_CONFIG. Because it's "user supplied", error out if it doesn't exist.
273 ifdef PYTHON                                      273 ifdef PYTHON
274   ifndef PYTHON_CONFIG                            274   ifndef PYTHON_CONFIG
275     PYTHON_CONFIG_AUTO := $(call get-executabl    275     PYTHON_CONFIG_AUTO := $(call get-executable,$(PYTHON)-config)
276     PYTHON_CONFIG := $(if $(PYTHON_CONFIG_AUTO    276     PYTHON_CONFIG := $(if $(PYTHON_CONFIG_AUTO),$(PYTHON_CONFIG_AUTO),\
277                           $(call $(error $(PYT    277                           $(call $(error $(PYTHON)-config not found)))
278   endif                                           278   endif
279 endif                                             279 endif
280                                                   280 
281 # Select either auto detected python and pytho    281 # Select either auto detected python and python-config or use user supplied values if they are
282 # defined. get-executable-or-default fails wit    282 # defined. get-executable-or-default fails with an error if the first argument is supplied but
283 # doesn't exist.                                  283 # doesn't exist.
284 override PYTHON_CONFIG := $(call get-executabl    284 override PYTHON_CONFIG := $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON_AUTO))
285 override PYTHON := $(call get-executable-or-de    285 override PYTHON := $(call get-executable-or-default,PYTHON,$(subst -config,,$(PYTHON_CONFIG)))
286                                                   286 
287 grep-libs  = $(filter -l%,$(1))                   287 grep-libs  = $(filter -l%,$(1))
288 strip-libs  = $(filter-out -l%,$(1))              288 strip-libs  = $(filter-out -l%,$(1))
289                                                   289 
290 PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_C    290 PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
291                                                   291 
292 # Python 3.8 changed the output of `python-con    292 # Python 3.8 changed the output of `python-config --ldflags` to not include the
293 # '-lpythonX.Y' flag unless '--embed' is also     293 # '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for
294 # libpython fails if that flag is not included    294 # libpython fails if that flag is not included in LDFLAGS
295 ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --    295 ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0)
296   PYTHON_CONFIG_LDFLAGS := --ldflags --embed      296   PYTHON_CONFIG_LDFLAGS := --ldflags --embed
297 else                                              297 else
298   PYTHON_CONFIG_LDFLAGS := --ldflags              298   PYTHON_CONFIG_LDFLAGS := --ldflags
299 endif                                             299 endif
300                                                   300 
301 ifdef PYTHON_CONFIG                               301 ifdef PYTHON_CONFIG
302   PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONF    302   PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) $(PYTHON_CONFIG_LDFLAGS) 2>/dev/null)
303   # Update the python flags for cross compilat    303   # Update the python flags for cross compilation
304   ifdef CROSS_COMPILE                             304   ifdef CROSS_COMPILE
305     PYTHON_NATIVE := $(shell echo $(PYTHON_EMB    305     PYTHON_NATIVE := $(shell echo $(PYTHON_EMBED_LDOPTS) | sed 's/\(-L.*\/\)\(.*-linux-gnu\).*/\2/')
306     PYTHON_EMBED_LDOPTS := $(subst $(PYTHON_NA    306     PYTHON_EMBED_LDOPTS := $(subst $(PYTHON_NATIVE),$(shell $(CC) -dumpmachine),$(PYTHON_EMBED_LDOPTS))
307   endif                                           307   endif
308   PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(    308   PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
309   PYTHON_EMBED_LIBADD := $(call grep-libs,$(PY    309   PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
310   PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONF    310   PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null)
311   FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS)    311   FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
312   ifeq ($(CC_NO_CLANG), 0)                        312   ifeq ($(CC_NO_CLANG), 0)
313     PYTHON_EMBED_CCOPTS := $(filter-out -ffat-    313     PYTHON_EMBED_CCOPTS := $(filter-out -ffat-lto-objects, $(PYTHON_EMBED_CCOPTS))
314   endif                                           314   endif
315 endif                                             315 endif
316                                                   316 
317 FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMB    317 FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
318 FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EM    318 FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
319                                                   319 
320 FEATURE_CHECK_LDFLAGS-libaio = -lrt               320 FEATURE_CHECK_LDFLAGS-libaio = -lrt
321                                                   321 
322 FEATURE_CHECK_LDFLAGS-disassembler-four-args =    322 FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes -ldl
323 FEATURE_CHECK_LDFLAGS-disassembler-init-styled    323 FEATURE_CHECK_LDFLAGS-disassembler-init-styled = -lbfd -lopcodes -ldl
324                                                   324 
325 CORE_CFLAGS += -fno-omit-frame-pointer            325 CORE_CFLAGS += -fno-omit-frame-pointer
326 CORE_CFLAGS += -Wall                              326 CORE_CFLAGS += -Wall
327 CORE_CFLAGS += -Wextra                            327 CORE_CFLAGS += -Wextra
328 CORE_CFLAGS += -std=gnu11                         328 CORE_CFLAGS += -std=gnu11
329                                                   329 
330 CXXFLAGS += -std=gnu++17 -fno-exceptions -fno-    330 CXXFLAGS += -std=gnu++17 -fno-exceptions -fno-rtti
331 CXXFLAGS += -Wall                                 331 CXXFLAGS += -Wall
332 CXXFLAGS += -Wextra                               332 CXXFLAGS += -Wextra
333 CXXFLAGS += -fno-omit-frame-pointer               333 CXXFLAGS += -fno-omit-frame-pointer
334                                                   334 
335 HOSTCFLAGS += -Wall                               335 HOSTCFLAGS += -Wall
336 HOSTCFLAGS += -Wextra                             336 HOSTCFLAGS += -Wextra
337                                                   337 
338 # Enforce a non-executable stack, as we may re    338 # Enforce a non-executable stack, as we may regress (again) in the future by
339 # adding assembler files missing the .GNU-stac    339 # adding assembler files missing the .GNU-stack linker note.
340 LDFLAGS += -Wl,-z,noexecstack                     340 LDFLAGS += -Wl,-z,noexecstack
341                                                   341 
342 EXTLIBS = -lpthread -lrt -lm -ldl                 342 EXTLIBS = -lpthread -lrt -lm -ldl
343                                                   343 
344 ifneq ($(TCMALLOC),)                              344 ifneq ($(TCMALLOC),)
345   CFLAGS += -fno-builtin-malloc -fno-builtin-c    345   CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free
346   EXTLIBS += -ltcmalloc                           346   EXTLIBS += -ltcmalloc
347 endif                                             347 endif
348                                                   348 
349 ifeq ($(FEATURES_DUMP),)                          349 ifeq ($(FEATURES_DUMP),)
350 # We will display at the end of this Makefile.    350 # We will display at the end of this Makefile.config, using $(call feature_display_entries)
351 # As we may retry some feature detection here,    351 # As we may retry some feature detection here, see the disassembler-four-args case, for instance
352   FEATURE_DISPLAY_DEFERRED := 1                   352   FEATURE_DISPLAY_DEFERRED := 1
353 include $(srctree)/tools/build/Makefile.featur    353 include $(srctree)/tools/build/Makefile.feature
354 else                                              354 else
355 include $(FEATURES_DUMP)                          355 include $(FEATURES_DUMP)
356 endif                                             356 endif
357                                                   357 
358 ifeq ($(feature-stackprotector-all), 1)           358 ifeq ($(feature-stackprotector-all), 1)
359   CORE_CFLAGS += -fstack-protector-all            359   CORE_CFLAGS += -fstack-protector-all
360 endif                                             360 endif
361                                                   361 
362 ifeq ($(DEBUG),0)                                 362 ifeq ($(DEBUG),0)
363   ifeq ($(feature-fortify-source), 1)             363   ifeq ($(feature-fortify-source), 1)
364     CORE_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIF    364     CORE_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
365   endif                                           365   endif
366 endif                                             366 endif
367                                                   367 
368 INC_FLAGS += -I$(src-perf)/util/include           368 INC_FLAGS += -I$(src-perf)/util/include
369 INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/inc    369 INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
370 INC_FLAGS += -I$(srctree)/tools/include/          370 INC_FLAGS += -I$(srctree)/tools/include/
371 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH    371 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
372 INC_FLAGS += -I$(srctree)/tools/include/uapi      372 INC_FLAGS += -I$(srctree)/tools/include/uapi
373 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH    373 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
374 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH    374 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
375                                                   375 
376 # $(obj-perf)      for generated common-cmds.h    376 # $(obj-perf)      for generated common-cmds.h
377 # $(obj-perf)/util for generated bison/flex he    377 # $(obj-perf)/util for generated bison/flex headers
378 ifneq ($(OUTPUT),)                                378 ifneq ($(OUTPUT),)
379 INC_FLAGS += -I$(obj-perf)/util                   379 INC_FLAGS += -I$(obj-perf)/util
380 INC_FLAGS += -I$(obj-perf)                        380 INC_FLAGS += -I$(obj-perf)
381 endif                                             381 endif
382                                                   382 
383 INC_FLAGS += -I$(src-perf)/util                   383 INC_FLAGS += -I$(src-perf)/util
384 INC_FLAGS += -I$(src-perf)                        384 INC_FLAGS += -I$(src-perf)
385                                                   385 
386 CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_O    386 CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
387                                                   387 
388 CFLAGS   += $(CORE_CFLAGS) $(INC_FLAGS)           388 CFLAGS   += $(CORE_CFLAGS) $(INC_FLAGS)
389 CXXFLAGS += $(INC_FLAGS)                          389 CXXFLAGS += $(INC_FLAGS)
390                                                   390 
391 LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAG    391 LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS)
392                                                   392 
393 ifeq ($(feature-pthread-attr-setaffinity-np),     393 ifeq ($(feature-pthread-attr-setaffinity-np), 1)
394   CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP    394   CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
395 endif                                             395 endif
396                                                   396 
397 ifeq ($(feature-pthread-barrier), 1)              397 ifeq ($(feature-pthread-barrier), 1)
398   CFLAGS += -DHAVE_PTHREAD_BARRIER                398   CFLAGS += -DHAVE_PTHREAD_BARRIER
399 endif                                             399 endif
400                                                   400 
401 ifndef NO_BIONIC                                  401 ifndef NO_BIONIC
402   $(call feature_check,bionic)                    402   $(call feature_check,bionic)
403   ifeq ($(feature-bionic), 1)                     403   ifeq ($(feature-bionic), 1)
404     BIONIC := 1                                   404     BIONIC := 1
405     CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE          405     CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE
406     CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE    406     CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE
407     EXTLIBS := $(filter-out -lrt,$(EXTLIBS))      407     EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
408     EXTLIBS := $(filter-out -lpthread,$(EXTLIB    408     EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
409   endif                                           409   endif
410 endif                                             410 endif
411                                                   411 
412 ifeq ($(feature-eventfd), 1)                      412 ifeq ($(feature-eventfd), 1)
413   CFLAGS += -DHAVE_EVENTFD_SUPPORT                413   CFLAGS += -DHAVE_EVENTFD_SUPPORT
414 endif                                             414 endif
415                                                   415 
416 ifeq ($(feature-get_current_dir_name), 1)         416 ifeq ($(feature-get_current_dir_name), 1)
417   CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME           417   CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME
418 endif                                             418 endif
419                                                   419 
420 ifeq ($(feature-gettid), 1)                       420 ifeq ($(feature-gettid), 1)
421   CFLAGS += -DHAVE_GETTID                         421   CFLAGS += -DHAVE_GETTID
422 endif                                             422 endif
423                                                   423 
424 ifeq ($(feature-file-handle), 1)                  424 ifeq ($(feature-file-handle), 1)
425   CFLAGS += -DHAVE_FILE_HANDLE                    425   CFLAGS += -DHAVE_FILE_HANDLE
426 endif                                             426 endif
427                                                   427 
428 ifdef NO_LIBELF                                   428 ifdef NO_LIBELF
429   NO_DWARF := 1                                   429   NO_DWARF := 1
430   NO_LIBUNWIND := 1                               430   NO_LIBUNWIND := 1
431   NO_LIBDW_DWARF_UNWIND := 1                      431   NO_LIBDW_DWARF_UNWIND := 1
432   NO_LIBBPF := 1                                  432   NO_LIBBPF := 1
433   NO_JVMTI := 1                                   433   NO_JVMTI := 1
434 else                                              434 else
435   ifeq ($(feature-libelf), 0)                     435   ifeq ($(feature-libelf), 0)
436     ifeq ($(feature-glibc), 1)                    436     ifeq ($(feature-glibc), 1)
437       LIBC_SUPPORT := 1                           437       LIBC_SUPPORT := 1
438     endif                                         438     endif
439     ifeq ($(BIONIC),1)                            439     ifeq ($(BIONIC),1)
440       LIBC_SUPPORT := 1                           440       LIBC_SUPPORT := 1
441     endif                                         441     endif
442     ifeq ($(LIBC_SUPPORT),1)                      442     ifeq ($(LIBC_SUPPORT),1)
443       $(error ERROR: No libelf found. Disables    443       $(error ERROR: No libelf found. Disables 'probe' tool, jvmti and BPF support. Please install libelf-dev, libelf-devel, elfutils-libelf-devel or build with NO_LIBELF=1.)
444     else                                          444     else
445       ifneq ($(filter s% -fsanitize=address%,$    445       ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),)
446         ifneq ($(shell ldconfig -p | grep liba    446         ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0)
447           $(error No libasan found, please ins    447           $(error No libasan found, please install libasan)
448         endif                                     448         endif
449       endif                                       449       endif
450                                                   450 
451       ifneq ($(filter s% -fsanitize=undefined%    451       ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),)
452         ifneq ($(shell ldconfig -p | grep libu    452         ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0)
453           $(error No libubsan found, please in    453           $(error No libubsan found, please install libubsan)
454         endif                                     454         endif
455       endif                                       455       endif
456                                                   456 
457       ifneq ($(filter s% -static%,$(LDFLAGS),)    457       ifneq ($(filter s% -static%,$(LDFLAGS),),)
458         $(error No static glibc found, please     458         $(error No static glibc found, please install glibc-static)
459       else                                        459       else
460         $(error No gnu/libc-version.h found, p    460         $(error No gnu/libc-version.h found, please install glibc-dev[el])
461       endif                                       461       endif
462     endif                                         462     endif
463   else                                            463   else
464     ifndef NO_LIBDW_DWARF_UNWIND                  464     ifndef NO_LIBDW_DWARF_UNWIND
465       ifneq ($(feature-libdw-dwarf-unwind),1)     465       ifneq ($(feature-libdw-dwarf-unwind),1)
466         NO_LIBDW_DWARF_UNWIND := 1                466         NO_LIBDW_DWARF_UNWIND := 1
467         $(warning No libdw DWARF unwind found,    467         $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR)
468       endif                                       468       endif
469     endif                                         469     endif
470     ifneq ($(feature-dwarf), 1)                   470     ifneq ($(feature-dwarf), 1)
471       ifndef NO_DWARF                             471       ifndef NO_DWARF
472         $(warning No libdw.h found or old libd    472         $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev)
473         NO_DWARF := 1                             473         NO_DWARF := 1
474       endif                                       474       endif
475     else                                          475     else
476       ifneq ($(feature-dwarf_getlocations), 1)    476       ifneq ($(feature-dwarf_getlocations), 1)
477         $(warning Old libdw.h, finding variabl    477         $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157)
478       else                                        478       else
479         CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SU    479         CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT
480       endif # dwarf_getlocations                  480       endif # dwarf_getlocations
481       ifneq ($(feature-dwarf_getcfi), 1)          481       ifneq ($(feature-dwarf_getcfi), 1)
482         $(warning Old libdw.h, finding variabl    482         $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.142)
483       else                                        483       else
484         CFLAGS += -DHAVE_DWARF_CFI_SUPPORT        484         CFLAGS += -DHAVE_DWARF_CFI_SUPPORT
485       endif # dwarf_getcfi                        485       endif # dwarf_getcfi
486     endif # Dwarf support                         486     endif # Dwarf support
487   endif # libelf support                          487   endif # libelf support
488 endif # NO_LIBELF                                 488 endif # NO_LIBELF
489                                                   489 
490 ifeq ($(feature-libaio), 1)                       490 ifeq ($(feature-libaio), 1)
491   ifndef NO_AIO                                   491   ifndef NO_AIO
492     CFLAGS += -DHAVE_AIO_SUPPORT                  492     CFLAGS += -DHAVE_AIO_SUPPORT
493   endif                                           493   endif
494 endif                                             494 endif
495                                                   495 
496 ifdef NO_DWARF                                    496 ifdef NO_DWARF
497   NO_LIBDW_DWARF_UNWIND := 1                      497   NO_LIBDW_DWARF_UNWIND := 1
498 endif                                             498 endif
499                                                   499 
500 ifeq ($(feature-scandirat), 1)                    500 ifeq ($(feature-scandirat), 1)
501   # Ignore having scandirat with memory saniti    501   # Ignore having scandirat with memory sanitizer that lacks an interceptor.
502   ifeq ($(filter s% -fsanitize=memory%,$(EXTRA    502   ifeq ($(filter s% -fsanitize=memory%,$(EXTRA_CFLAGS),),)
503     CFLAGS += -DHAVE_SCANDIRAT_SUPPORT            503     CFLAGS += -DHAVE_SCANDIRAT_SUPPORT
504   endif                                           504   endif
505 endif                                             505 endif
506                                                   506 
507 ifeq ($(feature-sched_getcpu), 1)                 507 ifeq ($(feature-sched_getcpu), 1)
508   CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT           508   CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
509 endif                                             509 endif
510                                                   510 
511 ifeq ($(feature-setns), 1)                        511 ifeq ($(feature-setns), 1)
512   CFLAGS += -DHAVE_SETNS_SUPPORT                  512   CFLAGS += -DHAVE_SETNS_SUPPORT
513   $(call detected,CONFIG_SETNS)                   513   $(call detected,CONFIG_SETNS)
514 endif                                             514 endif
515                                                   515 
516 ifdef CORESIGHT                                   516 ifdef CORESIGHT
517   $(call feature_check,libopencsd)                517   $(call feature_check,libopencsd)
518   ifeq ($(feature-libopencsd), 1)                 518   ifeq ($(feature-libopencsd), 1)
519     CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPEN    519     CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
520     ifeq ($(feature-reallocarray), 0)             520     ifeq ($(feature-reallocarray), 0)
521       CFLAGS += -DCOMPAT_NEED_REALLOCARRAY        521       CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
522     endif                                         522     endif
523     LDFLAGS += $(LIBOPENCSD_LDFLAGS)              523     LDFLAGS += $(LIBOPENCSD_LDFLAGS)
524     EXTLIBS += $(OPENCSDLIBS)                     524     EXTLIBS += $(OPENCSDLIBS)
525     $(call detected,CONFIG_LIBOPENCSD)            525     $(call detected,CONFIG_LIBOPENCSD)
526     ifdef CSTRACE_RAW                             526     ifdef CSTRACE_RAW
527       CFLAGS += -DCS_DEBUG_RAW                    527       CFLAGS += -DCS_DEBUG_RAW
528       ifeq (${CSTRACE_RAW}, packed)               528       ifeq (${CSTRACE_RAW}, packed)
529         CFLAGS += -DCS_RAW_PACKED                 529         CFLAGS += -DCS_RAW_PACKED
530       endif                                       530       endif
531     endif                                         531     endif
532   else                                            532   else
533     $(error Error: No libopencsd library found    533     $(error Error: No libopencsd library found or the version is not up-to-date. Please install recent libopencsd to build with CORESIGHT=1)
534   endif                                           534   endif
535 endif                                             535 endif
536                                                   536 
537 ifndef NO_ZLIB                                    537 ifndef NO_ZLIB
538   ifeq ($(feature-zlib), 1)                       538   ifeq ($(feature-zlib), 1)
539     CFLAGS += -DHAVE_ZLIB_SUPPORT                 539     CFLAGS += -DHAVE_ZLIB_SUPPORT
540     EXTLIBS += -lz                                540     EXTLIBS += -lz
541     $(call detected,CONFIG_ZLIB)                  541     $(call detected,CONFIG_ZLIB)
542   else                                            542   else
543     NO_ZLIB := 1                                  543     NO_ZLIB := 1
544   endif                                           544   endif
545 endif                                             545 endif
546                                                   546 
547 ifndef NO_LIBELF                                  547 ifndef NO_LIBELF
548   CFLAGS += -DHAVE_LIBELF_SUPPORT                 548   CFLAGS += -DHAVE_LIBELF_SUPPORT
549   EXTLIBS += -lelf                                549   EXTLIBS += -lelf
550   $(call detected,CONFIG_LIBELF)                  550   $(call detected,CONFIG_LIBELF)
551                                                   551 
552   ifeq ($(feature-libelf-getphdrnum), 1)          552   ifeq ($(feature-libelf-getphdrnum), 1)
553     CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT       553     CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
554   endif                                           554   endif
555                                                   555 
556   ifeq ($(feature-libelf-gelf_getnote), 1)        556   ifeq ($(feature-libelf-gelf_getnote), 1)
557     CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT         557     CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
558   else                                            558   else
559     $(warning gelf_getnote() not found on libe    559     $(warning gelf_getnote() not found on libelf, SDT support disabled)
560   endif                                           560   endif
561                                                   561 
562   ifeq ($(feature-libelf-getshdrstrndx), 1)       562   ifeq ($(feature-libelf-getshdrstrndx), 1)
563     CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT    563     CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
564   endif                                           564   endif
565                                                   565 
566   ifndef NO_LIBDEBUGINFOD                         566   ifndef NO_LIBDEBUGINFOD
567     $(call feature_check,libdebuginfod)           567     $(call feature_check,libdebuginfod)
568     ifeq ($(feature-libdebuginfod), 1)            568     ifeq ($(feature-libdebuginfod), 1)
569       CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT         569       CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT
570       EXTLIBS += -ldebuginfod                     570       EXTLIBS += -ldebuginfod
571     endif                                         571     endif
572   endif                                           572   endif
573                                                   573 
574   ifndef NO_DWARF                                 574   ifndef NO_DWARF
575     ifeq ($(origin PERF_HAVE_DWARF_REGS), unde    575     ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
576       $(warning DWARF register mappings have n    576       $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled)
577       NO_DWARF := 1                               577       NO_DWARF := 1
578     else                                          578     else
579       CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_C    579       CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
580       LDFLAGS += $(LIBDW_LDFLAGS)                 580       LDFLAGS += $(LIBDW_LDFLAGS)
581       EXTLIBS += ${DWARFLIBS}                     581       EXTLIBS += ${DWARFLIBS}
582       $(call detected,CONFIG_DWARF)               582       $(call detected,CONFIG_DWARF)
583     endif # PERF_HAVE_DWARF_REGS                  583     endif # PERF_HAVE_DWARF_REGS
584   endif # NO_DWARF                                584   endif # NO_DWARF
585                                                   585 
586   ifndef NO_LIBBPF                                586   ifndef NO_LIBBPF
587     ifeq ($(feature-bpf), 1)                      587     ifeq ($(feature-bpf), 1)
588       # detecting libbpf without LIBBPF_DYNAMI    588       # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status
589       $(call feature_check,libbpf)                589       $(call feature_check,libbpf)
590                                                   590 
591       ifdef LIBBPF_DYNAMIC                        591       ifdef LIBBPF_DYNAMIC
592         ifeq ($(feature-libbpf), 1)               592         ifeq ($(feature-libbpf), 1)
593           EXTLIBS += -lbpf                        593           EXTLIBS += -lbpf
594           CFLAGS += -DHAVE_LIBBPF_SUPPORT         594           CFLAGS += -DHAVE_LIBBPF_SUPPORT
595           $(call detected,CONFIG_LIBBPF)          595           $(call detected,CONFIG_LIBBPF)
596           $(call detected,CONFIG_LIBBPF_DYNAMI    596           $(call detected,CONFIG_LIBBPF_DYNAMIC)
597         else                                      597         else
598           $(error Error: No libbpf devel libra    598           $(error Error: No libbpf devel library found or older than v1.0, please install/update libbpf-devel)
599         endif                                     599         endif
600       else                                        600       else
601         ifeq ($(NO_ZLIB), 1)                      601         ifeq ($(NO_ZLIB), 1)
602           $(warning Warning: Statically buildi    602           $(warning Warning: Statically building libbpf not possible as zlib is missing)
603           NO_LIBBPF := 1                          603           NO_LIBBPF := 1
604         else                                      604         else
605           # Libbpf will be built as a static l    605           # Libbpf will be built as a static library from tools/lib/bpf.
606           LIBBPF_STATIC := 1                      606           LIBBPF_STATIC := 1
607           $(call detected,CONFIG_LIBBPF)          607           $(call detected,CONFIG_LIBBPF)
608           CFLAGS += -DHAVE_LIBBPF_SUPPORT         608           CFLAGS += -DHAVE_LIBBPF_SUPPORT
609         endif                                     609         endif
610       endif                                       610       endif
611     endif                                         611     endif
612   endif # NO_LIBBPF                               612   endif # NO_LIBBPF
613 endif # NO_LIBELF                                 613 endif # NO_LIBELF
614                                                   614 
615 ifndef NO_SDT                                     615 ifndef NO_SDT
616   ifneq ($(feature-sdt), 1)                       616   ifneq ($(feature-sdt), 1)
617     $(warning No sys/sdt.h found, no SDT event    617     $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev)
618     NO_SDT := 1;                                  618     NO_SDT := 1;
619   else                                            619   else
620     CFLAGS += -DHAVE_SDT_EVENT                    620     CFLAGS += -DHAVE_SDT_EVENT
621     $(call detected,CONFIG_SDT_EVENT)             621     $(call detected,CONFIG_SDT_EVENT)
622   endif                                           622   endif
623 endif                                             623 endif
624                                                   624 
625 ifdef PERF_HAVE_JITDUMP                           625 ifdef PERF_HAVE_JITDUMP
626   ifndef NO_LIBELF                                626   ifndef NO_LIBELF
627     $(call detected,CONFIG_JITDUMP)               627     $(call detected,CONFIG_JITDUMP)
628     CFLAGS += -DHAVE_JITDUMP                      628     CFLAGS += -DHAVE_JITDUMP
629   endif                                           629   endif
630 endif                                             630 endif
631                                                   631 
632 ifeq ($(SRCARCH),powerpc)                         632 ifeq ($(SRCARCH),powerpc)
633   ifndef NO_DWARF                                 633   ifndef NO_DWARF
634     CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX           634     CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
635   endif                                           635   endif
636 endif                                             636 endif
637                                                   637 
638 ifndef NO_LIBUNWIND                               638 ifndef NO_LIBUNWIND
639   have_libunwind :=                               639   have_libunwind :=
640                                                   640 
641   $(call feature_check,libunwind-x86)             641   $(call feature_check,libunwind-x86)
642   ifeq ($(feature-libunwind-x86), 1)              642   ifeq ($(feature-libunwind-x86), 1)
643     $(call detected,CONFIG_LIBUNWIND_X86)         643     $(call detected,CONFIG_LIBUNWIND_X86)
644     CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT        644     CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
645     LDFLAGS += -lunwind-x86                       645     LDFLAGS += -lunwind-x86
646     EXTLIBS_LIBUNWIND += -lunwind-x86             646     EXTLIBS_LIBUNWIND += -lunwind-x86
647     have_libunwind = 1                            647     have_libunwind = 1
648   endif                                           648   endif
649                                                   649 
650   $(call feature_check,libunwind-aarch64)         650   $(call feature_check,libunwind-aarch64)
651   ifeq ($(feature-libunwind-aarch64), 1)          651   ifeq ($(feature-libunwind-aarch64), 1)
652     $(call detected,CONFIG_LIBUNWIND_AARCH64)     652     $(call detected,CONFIG_LIBUNWIND_AARCH64)
653     CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT    653     CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
654     LDFLAGS += -lunwind-aarch64                   654     LDFLAGS += -lunwind-aarch64
655     EXTLIBS_LIBUNWIND += -lunwind-aarch64         655     EXTLIBS_LIBUNWIND += -lunwind-aarch64
656     have_libunwind = 1                            656     have_libunwind = 1
657     $(call feature_check,libunwind-debug-frame    657     $(call feature_check,libunwind-debug-frame-aarch64)
658     ifneq ($(feature-libunwind-debug-frame-aar    658     ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
659       $(warning No debug_frame support found i    659       $(warning No debug_frame support found in libunwind-aarch64)
660       CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AAR    660       CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
661     endif                                         661     endif
662   endif                                           662   endif
663                                                   663 
664   ifneq ($(feature-libunwind), 1)                 664   ifneq ($(feature-libunwind), 1)
665     $(warning No libunwind found. Please insta    665     $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR)
666     NO_LOCAL_LIBUNWIND := 1                       666     NO_LOCAL_LIBUNWIND := 1
667   else                                            667   else
668     have_libunwind := 1                           668     have_libunwind := 1
669     $(call detected,CONFIG_LOCAL_LIBUNWIND)       669     $(call detected,CONFIG_LOCAL_LIBUNWIND)
670   endif                                           670   endif
671                                                   671 
672   ifneq ($(have_libunwind), 1)                    672   ifneq ($(have_libunwind), 1)
673     NO_LIBUNWIND := 1                             673     NO_LIBUNWIND := 1
674   endif                                           674   endif
675 else                                              675 else
676   NO_LOCAL_LIBUNWIND := 1                         676   NO_LOCAL_LIBUNWIND := 1
677 endif                                             677 endif
678                                                   678 
679 ifndef NO_LIBBPF                                  679 ifndef NO_LIBBPF
680   ifneq ($(feature-bpf), 1)                       680   ifneq ($(feature-bpf), 1)
681     $(warning BPF API too old. Please install     681     $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
682     NO_LIBBPF := 1                                682     NO_LIBBPF := 1
683   endif                                           683   endif
684 endif                                             684 endif
685                                                   685 
686 ifndef BUILD_BPF_SKEL                             686 ifndef BUILD_BPF_SKEL
687   # BPF skeletons control a large number of pe    687   # BPF skeletons control a large number of perf features, by default
688   # they are enabled.                             688   # they are enabled.
689   BUILD_BPF_SKEL := 1                             689   BUILD_BPF_SKEL := 1
690 endif                                             690 endif
691                                                   691 
692 ifeq ($(BUILD_BPF_SKEL),1)                        692 ifeq ($(BUILD_BPF_SKEL),1)
693   ifeq ($(filter -DHAVE_LIBELF_SUPPORT, $(CFLA    693   ifeq ($(filter -DHAVE_LIBELF_SUPPORT, $(CFLAGS)),)
694     $(warning Warning: Disabled BPF skeletons     694     $(warning Warning: Disabled BPF skeletons as libelf is required by bpftool)
695     BUILD_BPF_SKEL := 0                           695     BUILD_BPF_SKEL := 0
696   else ifeq ($(filter -DHAVE_ZLIB_SUPPORT, $(C    696   else ifeq ($(filter -DHAVE_ZLIB_SUPPORT, $(CFLAGS)),)
697     $(warning Warning: Disabled BPF skeletons     697     $(warning Warning: Disabled BPF skeletons as zlib is required by bpftool)
698     BUILD_BPF_SKEL := 0                           698     BUILD_BPF_SKEL := 0
699   else ifeq ($(filter -DHAVE_LIBBPF_SUPPORT, $    699   else ifeq ($(filter -DHAVE_LIBBPF_SUPPORT, $(CFLAGS)),)
700     $(warning Warning: Disabled BPF skeletons     700     $(warning Warning: Disabled BPF skeletons as libbpf is required)
701     BUILD_BPF_SKEL := 0                           701     BUILD_BPF_SKEL := 0
702   else ifeq ($(call get-executable,$(CLANG)),)    702   else ifeq ($(call get-executable,$(CLANG)),)
703     $(warning Warning: Disabled BPF skeletons     703     $(warning Warning: Disabled BPF skeletons as clang ($(CLANG)) is missing)
704     BUILD_BPF_SKEL := 0                           704     BUILD_BPF_SKEL := 0
705   else                                            705   else
706     CLANG_VERSION := $(shell $(CLANG) --versio    706     CLANG_VERSION := $(shell $(CLANG) --version | head -1 | sed 's/.*clang version \([[:digit:]]\+.[[:digit:]]\+.[[:digit:]]\+\).*/\1/g')
707     ifeq ($(call version-lt3,$(CLANG_VERSION),    707     ifeq ($(call version-lt3,$(CLANG_VERSION),12.0.1),1)
708       $(warning Warning: Disabled BPF skeleton    708       $(warning Warning: Disabled BPF skeletons as reliable BTF generation needs at least $(CLANG) version 12.0.1)
709       BUILD_BPF_SKEL := 0                         709       BUILD_BPF_SKEL := 0
710     endif                                         710     endif
711   endif                                           711   endif
712   ifeq ($(BUILD_BPF_SKEL),1)                      712   ifeq ($(BUILD_BPF_SKEL),1)
713     $(call feature_check,clang-bpf-co-re)         713     $(call feature_check,clang-bpf-co-re)
714     ifeq ($(feature-clang-bpf-co-re), 0)          714     ifeq ($(feature-clang-bpf-co-re), 0)
715       $(warning Warning: Disabled BPF skeleton    715       $(warning Warning: Disabled BPF skeletons as clang is too old)
716       BUILD_BPF_SKEL := 0                         716       BUILD_BPF_SKEL := 0
717     endif                                         717     endif
718   endif                                           718   endif
719   ifeq ($(BUILD_BPF_SKEL),1)                      719   ifeq ($(BUILD_BPF_SKEL),1)
720     $(call detected,CONFIG_PERF_BPF_SKEL)         720     $(call detected,CONFIG_PERF_BPF_SKEL)
721     CFLAGS += -DHAVE_BPF_SKEL                     721     CFLAGS += -DHAVE_BPF_SKEL
722   endif                                           722   endif
723 endif                                             723 endif
724                                                   724 
725 ifndef GEN_VMLINUX_H                              725 ifndef GEN_VMLINUX_H
726   VMLINUX_H=$(src-perf)/util/bpf_skel/vmlinux/    726   VMLINUX_H=$(src-perf)/util/bpf_skel/vmlinux/vmlinux.h
727 endif                                             727 endif
728                                                   728 
729 dwarf-post-unwind := 1                            729 dwarf-post-unwind := 1
730 dwarf-post-unwind-text := BUG                     730 dwarf-post-unwind-text := BUG
731                                                   731 
732 # setup DWARF post unwinder                       732 # setup DWARF post unwinder
733 ifdef NO_LIBUNWIND                                733 ifdef NO_LIBUNWIND
734   ifdef NO_LIBDW_DWARF_UNWIND                     734   ifdef NO_LIBDW_DWARF_UNWIND
735     $(warning Disabling post unwind, no suppor    735     $(warning Disabling post unwind, no support found.)
736     dwarf-post-unwind := 0                        736     dwarf-post-unwind := 0
737   else                                            737   else
738     dwarf-post-unwind-text := libdw               738     dwarf-post-unwind-text := libdw
739     $(call detected,CONFIG_LIBDW_DWARF_UNWIND)    739     $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
740   endif                                           740   endif
741 else                                              741 else
742   dwarf-post-unwind-text := libunwind             742   dwarf-post-unwind-text := libunwind
743   $(call detected,CONFIG_LIBUNWIND)               743   $(call detected,CONFIG_LIBUNWIND)
744   # Enable libunwind support by default.          744   # Enable libunwind support by default.
745   ifndef NO_LIBDW_DWARF_UNWIND                    745   ifndef NO_LIBDW_DWARF_UNWIND
746     NO_LIBDW_DWARF_UNWIND := 1                    746     NO_LIBDW_DWARF_UNWIND := 1
747   endif                                           747   endif
748 endif                                             748 endif
749                                                   749 
750 ifeq ($(dwarf-post-unwind),1)                     750 ifeq ($(dwarf-post-unwind),1)
751   CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT           751   CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
752   $(call detected,CONFIG_DWARF_UNWIND)            752   $(call detected,CONFIG_DWARF_UNWIND)
753 else                                              753 else
754   NO_DWARF_UNWIND := 1                            754   NO_DWARF_UNWIND := 1
755 endif                                             755 endif
756                                                   756 
757 ifndef NO_LOCAL_LIBUNWIND                         757 ifndef NO_LOCAL_LIBUNWIND
758   ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm    758   ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
759     $(call feature_check,libunwind-debug-frame    759     $(call feature_check,libunwind-debug-frame)
760     ifneq ($(feature-libunwind-debug-frame), 1    760     ifneq ($(feature-libunwind-debug-frame), 1)
761       $(warning No debug_frame support found i    761       $(warning No debug_frame support found in libunwind)
762       CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME        762       CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
763     endif                                         763     endif
764   else                                            764   else
765     # non-ARM has no dwarf_find_debug_frame()     765     # non-ARM has no dwarf_find_debug_frame() function:
766     CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME          766     CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
767   endif                                           767   endif
768   EXTLIBS += $(LIBUNWIND_LIBS)                    768   EXTLIBS += $(LIBUNWIND_LIBS)
769   LDFLAGS += $(LIBUNWIND_LIBS)                    769   LDFLAGS += $(LIBUNWIND_LIBS)
770 endif                                             770 endif
771 ifeq ($(findstring -static,${LDFLAGS}),-static    771 ifeq ($(findstring -static,${LDFLAGS}),-static)
772   # gcc -static links libgcc_eh which contans     772   # gcc -static links libgcc_eh which contans piece of libunwind
773   LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-de    773   LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
774 endif                                             774 endif
775                                                   775 
776 ifndef NO_LIBUNWIND                               776 ifndef NO_LIBUNWIND
777   CFLAGS  += -DHAVE_LIBUNWIND_SUPPORT             777   CFLAGS  += -DHAVE_LIBUNWIND_SUPPORT
778   CFLAGS  += $(LIBUNWIND_CFLAGS)                  778   CFLAGS  += $(LIBUNWIND_CFLAGS)
779   LDFLAGS += $(LIBUNWIND_LDFLAGS)                 779   LDFLAGS += $(LIBUNWIND_LDFLAGS)
780   EXTLIBS += $(EXTLIBS_LIBUNWIND)                 780   EXTLIBS += $(EXTLIBS_LIBUNWIND)
781 endif                                             781 endif
782                                                   782 
783 ifneq ($(NO_LIBTRACEEVENT),1)                     783 ifneq ($(NO_LIBTRACEEVENT),1)
784   ifeq ($(NO_SYSCALL_TABLE),0)                    784   ifeq ($(NO_SYSCALL_TABLE),0)
785     $(call detected,CONFIG_TRACE)                 785     $(call detected,CONFIG_TRACE)
786   else                                            786   else
787     ifndef NO_LIBAUDIT                            787     ifndef NO_LIBAUDIT
788       $(call feature_check,libaudit)              788       $(call feature_check,libaudit)
789       ifneq ($(feature-libaudit), 1)              789       ifneq ($(feature-libaudit), 1)
790         $(warning No libaudit.h found, disable    790         $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev)
791         NO_LIBAUDIT := 1                          791         NO_LIBAUDIT := 1
792       else                                        792       else
793         CFLAGS += -DHAVE_LIBAUDIT_SUPPORT         793         CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
794         EXTLIBS += -laudit                        794         EXTLIBS += -laudit
795         $(call detected,CONFIG_TRACE)             795         $(call detected,CONFIG_TRACE)
796       endif                                       796       endif
797     endif                                         797     endif
798   endif                                           798   endif
799 endif                                             799 endif
800                                                   800 
801 ifndef NO_LIBCRYPTO                               801 ifndef NO_LIBCRYPTO
802   ifneq ($(feature-libcrypto), 1)                 802   ifneq ($(feature-libcrypto), 1)
803     $(warning No libcrypto.h found, disables j    803     $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev)
804     NO_LIBCRYPTO := 1                             804     NO_LIBCRYPTO := 1
805   else                                            805   else
806     CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT            806     CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
807     EXTLIBS += -lcrypto                           807     EXTLIBS += -lcrypto
808     $(call detected,CONFIG_CRYPTO)                808     $(call detected,CONFIG_CRYPTO)
809   endif                                           809   endif
810 endif                                             810 endif
811                                                   811 
812 ifndef NO_SLANG                                   812 ifndef NO_SLANG
813   ifneq ($(feature-libslang), 1)                  813   ifneq ($(feature-libslang), 1)
814     ifneq ($(feature-libslang-include-subdir),    814     ifneq ($(feature-libslang-include-subdir), 1)
815       $(warning slang not found, disables TUI     815       $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev)
816       NO_SLANG := 1                               816       NO_SLANG := 1
817     else                                          817     else
818       CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR       818       CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR
819     endif                                         819     endif
820   endif                                           820   endif
821   ifndef NO_SLANG                                 821   ifndef NO_SLANG
822     # Fedora has /usr/include/slang/slang.h, b    822     # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
823     CFLAGS += -DHAVE_SLANG_SUPPORT                823     CFLAGS += -DHAVE_SLANG_SUPPORT
824     EXTLIBS += -lslang                            824     EXTLIBS += -lslang
825     $(call detected,CONFIG_SLANG)                 825     $(call detected,CONFIG_SLANG)
826   endif                                           826   endif
827 endif                                             827 endif
828                                                   828 
829 ifdef GTK2                                        829 ifdef GTK2
830   FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $    830   FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
831   $(call feature_check,gtk2)                      831   $(call feature_check,gtk2)
832   ifneq ($(feature-gtk2), 1)                      832   ifneq ($(feature-gtk2), 1)
833     $(warning GTK2 not found, disables GTK2 su    833     $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev)
834     NO_GTK2 := 1                                  834     NO_GTK2 := 1
835   else                                            835   else
836     $(call feature_check,gtk2-infobar)            836     $(call feature_check,gtk2-infobar)
837     ifeq ($(feature-gtk2-infobar), 1)             837     ifeq ($(feature-gtk2-infobar), 1)
838       GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPOR    838       GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
839     endif                                         839     endif
840     CFLAGS += -DHAVE_GTK2_SUPPORT                 840     CFLAGS += -DHAVE_GTK2_SUPPORT
841     GTK_CFLAGS += $(shell $(PKG_CONFIG) --cfla    841     GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
842     GTK_LIBS := $(shell $(PKG_CONFIG) --libs g    842     GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
843     EXTLIBS += -ldl                               843     EXTLIBS += -ldl
844   endif                                           844   endif
845 endif                                             845 endif
846                                                   846 
847 ifdef NO_LIBPERL                                  847 ifdef NO_LIBPERL
848   CFLAGS += -DNO_LIBPERL                          848   CFLAGS += -DNO_LIBPERL
849 else                                              849 else
850   PERL_EMBED_LDOPTS = $(shell perl -MExtUtils:    850   PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
851   PERL_EMBED_LDFLAGS = $(call strip-libs,$(PER    851   PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
852   PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_    852   PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
853   PERL_EMBED_CCOPTS = $(shell perl -MExtUtils:    853   PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
854   PERL_EMBED_CCOPTS := $(filter-out -specs=%,$    854   PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
855   PERL_EMBED_CCOPTS := $(filter-out -flto=auto    855   PERL_EMBED_CCOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(PERL_EMBED_CCOPTS))
856   PERL_EMBED_LDOPTS := $(filter-out -specs=%,$    856   PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
857   FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL    857   FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
858                                                   858 
859   ifneq ($(feature-libperl), 1)                   859   ifneq ($(feature-libperl), 1)
860     CFLAGS += -DNO_LIBPERL                        860     CFLAGS += -DNO_LIBPERL
861     NO_LIBPERL := 1                               861     NO_LIBPERL := 1
862     $(warning Missing perl devel files. Disabl    862     $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev)
863   else                                            863   else
864     LDFLAGS += $(PERL_EMBED_LDFLAGS)              864     LDFLAGS += $(PERL_EMBED_LDFLAGS)
865     EXTLIBS += $(PERL_EMBED_LIBADD)               865     EXTLIBS += $(PERL_EMBED_LIBADD)
866     CFLAGS += -DHAVE_LIBPERL_SUPPORT              866     CFLAGS += -DHAVE_LIBPERL_SUPPORT
867     ifeq ($(CC_NO_CLANG), 0)                      867     ifeq ($(CC_NO_CLANG), 0)
868       CFLAGS += -Wno-compound-token-split-by-m    868       CFLAGS += -Wno-compound-token-split-by-macro
869     endif                                         869     endif
870     $(call detected,CONFIG_LIBPERL)               870     $(call detected,CONFIG_LIBPERL)
871   endif                                           871   endif
872 endif                                             872 endif
873                                                   873 
874 ifeq ($(feature-timerfd), 1)                      874 ifeq ($(feature-timerfd), 1)
875   CFLAGS += -DHAVE_TIMERFD_SUPPORT                875   CFLAGS += -DHAVE_TIMERFD_SUPPORT
876 else                                              876 else
877   $(warning No timerfd support. Disables 'perf    877   $(warning No timerfd support. Disables 'perf kvm stat live')
878 endif                                             878 endif
879                                                   879 
880 disable-python = $(eval $(disable-python_code)    880 disable-python = $(eval $(disable-python_code))
881 define disable-python_code                        881 define disable-python_code
882   CFLAGS += -DNO_LIBPYTHON                        882   CFLAGS += -DNO_LIBPYTHON
883   $(warning $1)                                   883   $(warning $1)
884   NO_LIBPYTHON := 1                               884   NO_LIBPYTHON := 1
885 endef                                             885 endef
886                                                   886 
887 PYTHON_EXTENSION_SUFFIX := '.so'                  887 PYTHON_EXTENSION_SUFFIX := '.so'
888 ifdef NO_LIBPYTHON                                888 ifdef NO_LIBPYTHON
889   $(call disable-python,Python support disable    889   $(call disable-python,Python support disabled by user)
890 else                                              890 else
891                                                   891 
892   ifndef PYTHON                                   892   ifndef PYTHON
893     $(call disable-python,No python interprete    893     $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
894   else                                            894   else
895     PYTHON_WORD := $(call shell-wordify,$(PYTH    895     PYTHON_WORD := $(call shell-wordify,$(PYTHON))
896                                                   896 
897     ifndef PYTHON_CONFIG                          897     ifndef PYTHON_CONFIG
898       $(call disable-python,No 'python-config'    898       $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
899     else                                          899     else
900                                                   900 
901       ifneq ($(feature-libpython), 1)             901       ifneq ($(feature-libpython), 1)
902         $(call disable-python,No 'Python.h' wa    902         $(call disable-python,No 'Python.h' was found: disables Python support - please install python-devel/python-dev)
903       else                                        903       else
904          LDFLAGS += $(PYTHON_EMBED_LDFLAGS)       904          LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
905          EXTLIBS += $(PYTHON_EMBED_LIBADD)        905          EXTLIBS += $(PYTHON_EMBED_LIBADD)
906          PYTHON_SETUPTOOLS_INSTALLED := $(shel    906          PYTHON_SETUPTOOLS_INSTALLED := $(shell $(PYTHON) -c 'import setuptools;' 2> /dev/null && echo "yes" || echo "no")
907          ifeq ($(PYTHON_SETUPTOOLS_INSTALLED),    907          ifeq ($(PYTHON_SETUPTOOLS_INSTALLED), yes)
908            PYTHON_EXTENSION_SUFFIX := $(shell     908            PYTHON_EXTENSION_SUFFIX := $(shell $(PYTHON) -c 'from importlib import machinery; print(machinery.EXTENSION_SUFFIXES[0])')
909            ifdef CROSS_COMPILE                    909            ifdef CROSS_COMPILE
910              PYTHON_EXTENSION_SUFFIX := $(subs    910              PYTHON_EXTENSION_SUFFIX := $(subst $(PYTHON_NATIVE),$(shell $(CC) -dumpmachine),$(PYTHON_EXTENSION_SUFFIX))
911            endif                                  911            endif
912            LANG_BINDINGS += $(obj-perf)python/    912            LANG_BINDINGS += $(obj-perf)python/perf$(PYTHON_EXTENSION_SUFFIX)
913          else                                     913          else
914            $(warning Missing python setuptools    914            $(warning Missing python setuptools, the python binding won't be built, please install python3-setuptools or equivalent)
915          endif                                    915          endif
916          CFLAGS += -DHAVE_LIBPYTHON_SUPPORT       916          CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
917          $(call detected,CONFIG_LIBPYTHON)        917          $(call detected,CONFIG_LIBPYTHON)
918          ifeq ($(filter -fPIC,$(CFLAGS)),)        918          ifeq ($(filter -fPIC,$(CFLAGS)),)
919            # Building a shared library require    919            # Building a shared library requires position independent code.
920            CFLAGS += -fPIC                        920            CFLAGS += -fPIC
921            CXXFLAGS += -fPIC                      921            CXXFLAGS += -fPIC
922          endif                                    922          endif
923       endif                                       923       endif
924     endif                                         924     endif
925   endif                                           925   endif
926 endif                                             926 endif
927                                                   927 
928 ifneq ($(NO_JEVENTS),1)                           928 ifneq ($(NO_JEVENTS),1)
929   ifeq ($(wildcard pmu-events/arch/$(SRCARCH)/    929   ifeq ($(wildcard pmu-events/arch/$(SRCARCH)/mapfile.csv),)
930     NO_JEVENTS := 1                               930     NO_JEVENTS := 1
931   endif                                           931   endif
932 endif                                             932 endif
933 ifneq ($(NO_JEVENTS),1)                           933 ifneq ($(NO_JEVENTS),1)
934   NO_JEVENTS := 0                                 934   NO_JEVENTS := 0
935   ifndef PYTHON                                   935   ifndef PYTHON
936     $(error ERROR: No python interpreter neede    936     $(error ERROR: No python interpreter needed for jevents generation. Install python or build with NO_JEVENTS=1.)
937   else                                            937   else
938     # jevents.py uses f-strings present in Pyt    938     # jevents.py uses f-strings present in Python 3.6 released in Dec. 2016.
939     JEVENTS_PYTHON_GOOD := $(shell $(PYTHON) -    939     JEVENTS_PYTHON_GOOD := $(shell $(PYTHON) -c 'import sys;print("1" if(sys.version_info.major >= 3 and sys.version_info.minor >= 6) else "0")' 2> /dev/null)
940     ifneq ($(JEVENTS_PYTHON_GOOD), 1)             940     ifneq ($(JEVENTS_PYTHON_GOOD), 1)
941       $(error ERROR: Python interpreter needed    941       $(error ERROR: Python interpreter needed for jevents generation too old (older than 3.6). Install a newer python or build with NO_JEVENTS=1.)
942     endif                                         942     endif
943   endif                                           943   endif
944 endif                                             944 endif
945                                                   945 
946 ifdef BUILD_NONDISTRO                             946 ifdef BUILD_NONDISTRO
947   ifeq ($(feature-libbfd), 1)                     947   ifeq ($(feature-libbfd), 1)
948     EXTLIBS += -lbfd -lopcodes                    948     EXTLIBS += -lbfd -lopcodes
949   else                                            949   else
950     # we are on a system that requires -libert    950     # we are on a system that requires -liberty and (maybe) -lz
951     # to link against -lbfd; test each case in    951     # to link against -lbfd; test each case individually here
952                                                   952 
953     # call all detections now so we get correc    953     # call all detections now so we get correct
954     # status in VF output                         954     # status in VF output
955     $(call feature_check,libbfd-liberty)          955     $(call feature_check,libbfd-liberty)
956     $(call feature_check,libbfd-liberty-z)        956     $(call feature_check,libbfd-liberty-z)
957                                                   957 
958     ifeq ($(feature-libbfd-liberty), 1)           958     ifeq ($(feature-libbfd-liberty), 1)
959       EXTLIBS += -lbfd -lopcodes -liberty         959       EXTLIBS += -lbfd -lopcodes -liberty
960       FEATURE_CHECK_LDFLAGS-disassembler-four-    960       FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl
961       FEATURE_CHECK_LDFLAGS-disassembler-init-    961       FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -ldl
962     else                                          962     else
963       ifeq ($(feature-libbfd-liberty-z), 1)       963       ifeq ($(feature-libbfd-liberty-z), 1)
964         EXTLIBS += -lbfd -lopcodes -liberty -l    964         EXTLIBS += -lbfd -lopcodes -liberty -lz
965         FEATURE_CHECK_LDFLAGS-disassembler-fou    965         FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl
966         FEATURE_CHECK_LDFLAGS-disassembler-ini    966         FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -lz -ldl
967       endif                                       967       endif
968     endif                                         968     endif
969     $(call feature_check,disassembler-four-arg    969     $(call feature_check,disassembler-four-args)
970     $(call feature_check,disassembler-init-sty    970     $(call feature_check,disassembler-init-styled)
971   endif                                           971   endif
972                                                   972 
973   CFLAGS += -DHAVE_LIBBFD_SUPPORT                 973   CFLAGS += -DHAVE_LIBBFD_SUPPORT
974   CXXFLAGS += -DHAVE_LIBBFD_SUPPORT               974   CXXFLAGS += -DHAVE_LIBBFD_SUPPORT
975   ifeq ($(feature-libbfd-buildid), 1)             975   ifeq ($(feature-libbfd-buildid), 1)
976     CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT       976     CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT
977   else                                            977   else
978     $(warning Old version of libbfd/binutils t    978     $(warning Old version of libbfd/binutils things like PE executable profiling will not be available)
979   endif                                           979   endif
980 endif                                             980 endif
981                                                   981 
982 ifndef NO_LIBLLVM                                 982 ifndef NO_LIBLLVM
983   $(call feature_check,llvm-perf)                 983   $(call feature_check,llvm-perf)
984   ifeq ($(feature-llvm-perf), 1)                  984   ifeq ($(feature-llvm-perf), 1)
985     CFLAGS += -DHAVE_LIBLLVM_SUPPORT              985     CFLAGS += -DHAVE_LIBLLVM_SUPPORT
986     CFLAGS += $(shell $(LLVM_CONFIG) --cflags)    986     CFLAGS += $(shell $(LLVM_CONFIG) --cflags)
987     CXXFLAGS += -DHAVE_LIBLLVM_SUPPORT            987     CXXFLAGS += -DHAVE_LIBLLVM_SUPPORT
988     CXXFLAGS += $(shell $(LLVM_CONFIG) --cxxfl    988     CXXFLAGS += $(shell $(LLVM_CONFIG) --cxxflags)
989     LIBLLVM = $(shell $(LLVM_CONFIG) --libs al    989     LIBLLVM = $(shell $(LLVM_CONFIG) --libs all) $(shell $(LLVM_CONFIG) --system-libs)
990     EXTLIBS += -L$(shell $(LLVM_CONFIG) --libd    990     EXTLIBS += -L$(shell $(LLVM_CONFIG) --libdir) $(LIBLLVM)
991     EXTLIBS += -lstdc++                           991     EXTLIBS += -lstdc++
992     $(call detected,CONFIG_LIBLLVM)               992     $(call detected,CONFIG_LIBLLVM)
993   else                                            993   else
994     $(warning No libllvm 13+ found, slower sou    994     $(warning No libllvm 13+ found, slower source file resolution, please install llvm-devel/llvm-dev)
995     NO_LIBLLVM := 1                               995     NO_LIBLLVM := 1
996   endif                                           996   endif
997 endif                                             997 endif
998                                                   998 
999 ifndef NO_DEMANGLE                                999 ifndef NO_DEMANGLE
1000   $(call feature_check,cxa-demangle)             1000   $(call feature_check,cxa-demangle)
1001   ifeq ($(feature-cxa-demangle), 1)              1001   ifeq ($(feature-cxa-demangle), 1)
1002     EXTLIBS += -lstdc++                          1002     EXTLIBS += -lstdc++
1003     CFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT        1003     CFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT
1004     CXXFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT      1004     CXXFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT
1005     $(call detected,CONFIG_CXX_DEMANGLE)         1005     $(call detected,CONFIG_CXX_DEMANGLE)
1006   endif                                          1006   endif
1007   ifdef BUILD_NONDISTRO                          1007   ifdef BUILD_NONDISTRO
1008     ifeq ($(filter -liberty,$(EXTLIBS)),)        1008     ifeq ($(filter -liberty,$(EXTLIBS)),)
1009       $(call feature_check,cplus-demangle)       1009       $(call feature_check,cplus-demangle)
1010       ifeq ($(feature-cplus-demangle), 1)        1010       ifeq ($(feature-cplus-demangle), 1)
1011         EXTLIBS += -liberty                      1011         EXTLIBS += -liberty
1012       endif                                      1012       endif
1013     endif                                        1013     endif
1014     ifneq ($(filter -liberty,$(EXTLIBS)),)       1014     ifneq ($(filter -liberty,$(EXTLIBS)),)
1015       CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT    1015       CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
1016       CXXFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPO    1016       CXXFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
1017     endif                                        1017     endif
1018   endif                                          1018   endif
1019 endif                                            1019 endif
1020                                                  1020 
1021 ifndef NO_LZMA                                   1021 ifndef NO_LZMA
1022   ifeq ($(feature-lzma), 1)                      1022   ifeq ($(feature-lzma), 1)
1023     CFLAGS += -DHAVE_LZMA_SUPPORT                1023     CFLAGS += -DHAVE_LZMA_SUPPORT
1024     EXTLIBS += -llzma                            1024     EXTLIBS += -llzma
1025     $(call detected,CONFIG_LZMA)                 1025     $(call detected,CONFIG_LZMA)
1026   else                                           1026   else
1027     $(warning No liblzma found, disables xz k    1027     $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev)
1028     NO_LZMA := 1                                 1028     NO_LZMA := 1
1029   endif                                          1029   endif
1030 endif                                            1030 endif
1031                                                  1031 
1032 ifndef NO_LIBZSTD                                1032 ifndef NO_LIBZSTD
1033   ifeq ($(feature-libzstd), 1)                   1033   ifeq ($(feature-libzstd), 1)
1034     CFLAGS += -DHAVE_ZSTD_SUPPORT                1034     CFLAGS += -DHAVE_ZSTD_SUPPORT
1035     CFLAGS += $(LIBZSTD_CFLAGS)                  1035     CFLAGS += $(LIBZSTD_CFLAGS)
1036     LDFLAGS += $(LIBZSTD_LDFLAGS)                1036     LDFLAGS += $(LIBZSTD_LDFLAGS)
1037     EXTLIBS += -lzstd                            1037     EXTLIBS += -lzstd
1038     $(call detected,CONFIG_ZSTD)                 1038     $(call detected,CONFIG_ZSTD)
1039   else                                           1039   else
1040     $(warning No libzstd found, disables trac    1040     $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR)
1041     NO_LIBZSTD := 1                              1041     NO_LIBZSTD := 1
1042   endif                                          1042   endif
1043 endif                                            1043 endif
1044                                                  1044 
1045 ifndef NO_BACKTRACE                              1045 ifndef NO_BACKTRACE
1046   ifeq ($(feature-backtrace), 1)                 1046   ifeq ($(feature-backtrace), 1)
1047     CFLAGS += -DHAVE_BACKTRACE_SUPPORT           1047     CFLAGS += -DHAVE_BACKTRACE_SUPPORT
1048   endif                                          1048   endif
1049 endif                                            1049 endif
1050                                                  1050 
1051 ifndef NO_LIBNUMA                                1051 ifndef NO_LIBNUMA
1052   ifeq ($(feature-libnuma), 0)                   1052   ifeq ($(feature-libnuma), 0)
1053     $(warning No numa.h found, disables 'perf    1053     $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev)
1054     NO_LIBNUMA := 1                              1054     NO_LIBNUMA := 1
1055   else                                           1055   else
1056     ifeq ($(feature-numa_num_possible_cpus),     1056     ifeq ($(feature-numa_num_possible_cpus), 0)
1057       $(warning Old numa library found, disab    1057       $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8)
1058       NO_LIBNUMA := 1                            1058       NO_LIBNUMA := 1
1059     else                                         1059     else
1060       CFLAGS += -DHAVE_LIBNUMA_SUPPORT           1060       CFLAGS += -DHAVE_LIBNUMA_SUPPORT
1061       EXTLIBS += -lnuma                          1061       EXTLIBS += -lnuma
1062       $(call detected,CONFIG_NUMA)               1062       $(call detected,CONFIG_NUMA)
1063     endif                                        1063     endif
1064   endif                                          1064   endif
1065 endif                                            1065 endif
1066                                                  1066 
1067 ifdef HAVE_KVM_STAT_SUPPORT                      1067 ifdef HAVE_KVM_STAT_SUPPORT
1068     CFLAGS += -DHAVE_KVM_STAT_SUPPORT            1068     CFLAGS += -DHAVE_KVM_STAT_SUPPORT
1069 endif                                            1069 endif
1070                                                  1070 
1071 ifeq ($(feature-disassembler-four-args), 1)      1071 ifeq ($(feature-disassembler-four-args), 1)
1072     CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE       1072     CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
1073 endif                                            1073 endif
1074                                                  1074 
1075 ifeq ($(feature-disassembler-init-styled), 1)    1075 ifeq ($(feature-disassembler-init-styled), 1)
1076     CFLAGS += -DDISASM_INIT_STYLED               1076     CFLAGS += -DDISASM_INIT_STYLED
1077 endif                                            1077 endif
1078                                                  1078 
1079 ifeq (${IS_64_BIT}, 1)                           1079 ifeq (${IS_64_BIT}, 1)
1080   ifndef NO_PERF_READ_VDSO32                     1080   ifndef NO_PERF_READ_VDSO32
1081     $(call feature_check,compile-32)             1081     $(call feature_check,compile-32)
1082     ifeq ($(feature-compile-32), 1)              1082     ifeq ($(feature-compile-32), 1)
1083       CFLAGS += -DHAVE_PERF_READ_VDSO32          1083       CFLAGS += -DHAVE_PERF_READ_VDSO32
1084     else                                         1084     else
1085       NO_PERF_READ_VDSO32 := 1                   1085       NO_PERF_READ_VDSO32 := 1
1086     endif                                        1086     endif
1087   endif                                          1087   endif
1088   ifneq ($(SRCARCH), x86)                        1088   ifneq ($(SRCARCH), x86)
1089     NO_PERF_READ_VDSOX32 := 1                    1089     NO_PERF_READ_VDSOX32 := 1
1090   endif                                          1090   endif
1091   ifndef NO_PERF_READ_VDSOX32                    1091   ifndef NO_PERF_READ_VDSOX32
1092     $(call feature_check,compile-x32)            1092     $(call feature_check,compile-x32)
1093     ifeq ($(feature-compile-x32), 1)             1093     ifeq ($(feature-compile-x32), 1)
1094       CFLAGS += -DHAVE_PERF_READ_VDSOX32         1094       CFLAGS += -DHAVE_PERF_READ_VDSOX32
1095     else                                         1095     else
1096       NO_PERF_READ_VDSOX32 := 1                  1096       NO_PERF_READ_VDSOX32 := 1
1097     endif                                        1097     endif
1098   endif                                          1098   endif
1099 else                                             1099 else
1100   NO_PERF_READ_VDSO32 := 1                       1100   NO_PERF_READ_VDSO32 := 1
1101   NO_PERF_READ_VDSOX32 := 1                      1101   NO_PERF_READ_VDSOX32 := 1
1102 endif                                            1102 endif
1103                                                  1103 
1104 ifndef NO_LIBBABELTRACE                          1104 ifndef NO_LIBBABELTRACE
1105   $(call feature_check,libbabeltrace)            1105   $(call feature_check,libbabeltrace)
1106   ifeq ($(feature-libbabeltrace), 1)             1106   ifeq ($(feature-libbabeltrace), 1)
1107     CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(    1107     CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
1108     LDFLAGS += $(LIBBABELTRACE_LDFLAGS)          1108     LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
1109     EXTLIBS += -lbabeltrace-ctf                  1109     EXTLIBS += -lbabeltrace-ctf
1110     $(call detected,CONFIG_LIBBABELTRACE)        1110     $(call detected,CONFIG_LIBBABELTRACE)
1111   else                                           1111   else
1112     $(warning No libbabeltrace found, disable    1112     $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev)
1113   endif                                          1113   endif
1114 endif                                            1114 endif
1115                                                  1115 
1116 ifndef NO_CAPSTONE                               1116 ifndef NO_CAPSTONE
1117   $(call feature_check,libcapstone)              1117   $(call feature_check,libcapstone)
1118   ifeq ($(feature-libcapstone), 1)               1118   ifeq ($(feature-libcapstone), 1)
1119     CFLAGS += -DHAVE_LIBCAPSTONE_SUPPORT $(LI    1119     CFLAGS += -DHAVE_LIBCAPSTONE_SUPPORT $(LIBCAPSTONE_CFLAGS)
1120     LDFLAGS += $(LICAPSTONE_LDFLAGS)             1120     LDFLAGS += $(LICAPSTONE_LDFLAGS)
1121     EXTLIBS += -lcapstone                        1121     EXTLIBS += -lcapstone
1122     $(call detected,CONFIG_LIBCAPSTONE)          1122     $(call detected,CONFIG_LIBCAPSTONE)
1123   else                                           1123   else
1124     msg := $(warning No libcapstone found, di    1124     msg := $(warning No libcapstone found, disables disasm engine support for 'perf script', please install libcapstone-dev/capstone-devel);
1125   endif                                          1125   endif
1126 endif                                            1126 endif
1127                                                  1127 
1128 ifndef NO_AUXTRACE                               1128 ifndef NO_AUXTRACE
1129   ifeq ($(SRCARCH),x86)                          1129   ifeq ($(SRCARCH),x86)
1130     ifeq ($(feature-get_cpuid), 0)               1130     ifeq ($(feature-get_cpuid), 0)
1131       $(warning Your gcc lacks the __get_cpui    1131       $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc)
1132       NO_AUXTRACE := 1                           1132       NO_AUXTRACE := 1
1133     endif                                        1133     endif
1134   endif                                          1134   endif
1135   ifndef NO_AUXTRACE                             1135   ifndef NO_AUXTRACE
1136     $(call detected,CONFIG_AUXTRACE)             1136     $(call detected,CONFIG_AUXTRACE)
1137     CFLAGS += -DHAVE_AUXTRACE_SUPPORT            1137     CFLAGS += -DHAVE_AUXTRACE_SUPPORT
1138     ifeq ($(feature-reallocarray), 0)            1138     ifeq ($(feature-reallocarray), 0)
1139       CFLAGS += -DCOMPAT_NEED_REALLOCARRAY       1139       CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
1140     endif                                        1140     endif
1141   endif                                          1141   endif
1142 endif                                            1142 endif
1143                                                  1143 
1144 ifdef EXTRA_TESTS                                1144 ifdef EXTRA_TESTS
1145     $(call detected,CONFIG_EXTRA_TESTS)          1145     $(call detected,CONFIG_EXTRA_TESTS)
1146     CFLAGS += -DHAVE_EXTRA_TESTS                 1146     CFLAGS += -DHAVE_EXTRA_TESTS
1147 endif                                            1147 endif
1148                                                  1148 
1149 ifndef NO_JVMTI                                  1149 ifndef NO_JVMTI
1150   ifneq (,$(wildcard /usr/sbin/update-java-al    1150   ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
1151     JDIR=$(shell /usr/sbin/update-java-altern    1151     JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
1152   else                                           1152   else
1153     ifneq (,$(wildcard /usr/sbin/alternatives    1153     ifneq (,$(wildcard /usr/sbin/alternatives))
1154       JDIR=$(shell /usr/sbin/alternatives --d    1154       JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g')
1155     endif                                        1155     endif
1156   endif                                          1156   endif
1157   ifndef JDIR                                    1157   ifndef JDIR
1158     $(warning No alternatives command found,     1158     $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
1159     NO_JVMTI := 1                                1159     NO_JVMTI := 1
1160   endif                                          1160   endif
1161 endif                                            1161 endif
1162                                                  1162 
1163 ifndef NO_JVMTI                                  1163 ifndef NO_JVMTI
1164   FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/inc    1164   FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
1165   $(call feature_check,jvmti)                    1165   $(call feature_check,jvmti)
1166   ifeq ($(feature-jvmti), 1)                     1166   ifeq ($(feature-jvmti), 1)
1167     $(call detected_var,JDIR)                    1167     $(call detected_var,JDIR)
1168     ifndef NO_JVMTI_CMLR                         1168     ifndef NO_JVMTI_CMLR
1169       FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FE    1169       FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti)
1170       $(call feature_check,jvmti-cmlr)           1170       $(call feature_check,jvmti-cmlr)
1171       ifeq ($(feature-jvmti-cmlr), 1)            1171       ifeq ($(feature-jvmti-cmlr), 1)
1172         CFLAGS += -DHAVE_JVMTI_CMLR              1172         CFLAGS += -DHAVE_JVMTI_CMLR
1173       endif                                      1173       endif
1174     endif # NO_JVMTI_CMLR                        1174     endif # NO_JVMTI_CMLR
1175   else                                           1175   else
1176     $(warning No openjdk development package     1176     $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel)
1177     NO_JVMTI := 1                                1177     NO_JVMTI := 1
1178   endif                                          1178   endif
1179 endif                                            1179 endif
1180                                                  1180 
1181 ifndef NO_LIBPFM4                                1181 ifndef NO_LIBPFM4
1182   $(call feature_check,libpfm4)                  1182   $(call feature_check,libpfm4)
1183   ifeq ($(feature-libpfm4), 1)                   1183   ifeq ($(feature-libpfm4), 1)
1184     CFLAGS += -DHAVE_LIBPFM                      1184     CFLAGS += -DHAVE_LIBPFM
1185     EXTLIBS += -lpfm                             1185     EXTLIBS += -lpfm
1186     ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1             1186     ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1
1187     $(call detected,CONFIG_LIBPFM4)              1187     $(call detected,CONFIG_LIBPFM4)
1188   else                                           1188   else
1189     $(warning libpfm4 not found, disables lib    1189     $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev)
1190   endif                                          1190   endif
1191 endif                                            1191 endif
1192                                                  1192 
1193 # libtraceevent is a recommended dependency p    1193 # libtraceevent is a recommended dependency picked up from the system.
1194 ifneq ($(NO_LIBTRACEEVENT),1)                    1194 ifneq ($(NO_LIBTRACEEVENT),1)
1195   $(call feature_check,libtraceevent)            1195   $(call feature_check,libtraceevent)
1196   ifeq ($(feature-libtraceevent), 1)             1196   ifeq ($(feature-libtraceevent), 1)
1197     CFLAGS += -DHAVE_LIBTRACEEVENT               1197     CFLAGS += -DHAVE_LIBTRACEEVENT
1198     LDFLAGS += $(shell $(PKG_CONFIG) --libs-o    1198     LDFLAGS += $(shell $(PKG_CONFIG) --libs-only-L libtraceevent)
1199     EXTLIBS += $(shell $(PKG_CONFIG) --libs-o    1199     EXTLIBS += $(shell $(PKG_CONFIG) --libs-only-l libtraceevent)
1200     LIBTRACEEVENT_VERSION := $(shell $(PKG_CO    1200     LIBTRACEEVENT_VERSION := $(shell $(PKG_CONFIG) --modversion libtraceevent).0.0
1201     LIBTRACEEVENT_VERSION_1 := $(word 1, $(su    1201     LIBTRACEEVENT_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEEVENT_VERSION)))
1202     LIBTRACEEVENT_VERSION_2 := $(word 2, $(su    1202     LIBTRACEEVENT_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEEVENT_VERSION)))
1203     LIBTRACEEVENT_VERSION_3 := $(word 3, $(su    1203     LIBTRACEEVENT_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEEVENT_VERSION)))
1204     LIBTRACEEVENT_VERSION_CPP := $(shell expr    1204     LIBTRACEEVENT_VERSION_CPP := $(shell expr $(LIBTRACEEVENT_VERSION_1) \* 255 \* 255 + $(LIBTRACEEVENT_VERSION_2) \* 255 + $(LIBTRACEEVENT_VERSION_3))
1205     CFLAGS += -DLIBTRACEEVENT_VERSION=$(LIBTR    1205     CFLAGS += -DLIBTRACEEVENT_VERSION=$(LIBTRACEEVENT_VERSION_CPP)
1206     $(call detected,CONFIG_LIBTRACEEVENT)        1206     $(call detected,CONFIG_LIBTRACEEVENT)
1207   else                                           1207   else
1208     $(error ERROR: libtraceevent is missing.     1208     $(error ERROR: libtraceevent is missing. Please install libtraceevent-dev/libtraceevent-devel and/or set LIBTRACEEVENT_DIR or build with NO_LIBTRACEEVENT=1)
1209   endif                                          1209   endif
1210                                                  1210 
1211   $(call feature_check,libtracefs)               1211   $(call feature_check,libtracefs)
1212   ifeq ($(feature-libtracefs), 1)                1212   ifeq ($(feature-libtracefs), 1)
1213     CFLAGS +=  $(shell $(PKG_CONFIG) --cflags    1213     CFLAGS +=  $(shell $(PKG_CONFIG) --cflags libtracefs)
1214     LDFLAGS += $(shell $(PKG_CONFIG) --libs-o    1214     LDFLAGS += $(shell $(PKG_CONFIG) --libs-only-L libtracefs)
1215     EXTLIBS += $(shell $(PKG_CONFIG) --libs-o    1215     EXTLIBS += $(shell $(PKG_CONFIG) --libs-only-l libtracefs)
1216     LIBTRACEFS_VERSION := $(shell $(PKG_CONFI    1216     LIBTRACEFS_VERSION := $(shell $(PKG_CONFIG) --modversion libtracefs).0.0
1217     LIBTRACEFS_VERSION_1 := $(word 1, $(subst    1217     LIBTRACEFS_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEFS_VERSION)))
1218     LIBTRACEFS_VERSION_2 := $(word 2, $(subst    1218     LIBTRACEFS_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEFS_VERSION)))
1219     LIBTRACEFS_VERSION_3 := $(word 3, $(subst    1219     LIBTRACEFS_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEFS_VERSION)))
1220     LIBTRACEFS_VERSION_CPP := $(shell expr $(    1220     LIBTRACEFS_VERSION_CPP := $(shell expr $(LIBTRACEFS_VERSION_1) \* 255 \* 255 + $(LIBTRACEFS_VERSION_2) \* 255 + $(LIBTRACEFS_VERSION_3))
1221     CFLAGS += -DLIBTRACEFS_VERSION=$(LIBTRACE    1221     CFLAGS += -DLIBTRACEFS_VERSION=$(LIBTRACEFS_VERSION_CPP)
1222   else                                           1222   else
1223     $(warning libtracefs is missing. Please i    1223     $(warning libtracefs is missing. Please install libtracefs-dev/libtracefs-devel)
1224   endif                                          1224   endif
1225 endif                                            1225 endif
1226                                                  1226 
1227 # Among the variables below, these:              1227 # Among the variables below, these:
1228 #   perfexecdir                                  1228 #   perfexecdir
1229 #   libbpf_include_dir                           1229 #   libbpf_include_dir
1230 #   perf_examples_dir                            1230 #   perf_examples_dir
1231 #   template_dir                                 1231 #   template_dir
1232 #   mandir                                       1232 #   mandir
1233 #   infodir                                      1233 #   infodir
1234 #   htmldir                                      1234 #   htmldir
1235 #   ETC_PERFCONFIG (but not sysconfdir)          1235 #   ETC_PERFCONFIG (but not sysconfdir)
1236 # can be specified as a relative path some/wh    1236 # can be specified as a relative path some/where/else;
1237 # this is interpreted as relative to $(prefix    1237 # this is interpreted as relative to $(prefix) and "perf" at
1238 # runtime figures out where they are based on    1238 # runtime figures out where they are based on the path to the executable.
1239 # This can help installing the suite in a rel    1239 # This can help installing the suite in a relocatable way.
1240                                                  1240 
1241 # Make the path relative to DESTDIR, not to p    1241 # Make the path relative to DESTDIR, not to prefix
1242 ifndef DESTDIR                                   1242 ifndef DESTDIR
1243 prefix ?= $(HOME)                                1243 prefix ?= $(HOME)
1244 endif                                            1244 endif
1245 bindir_relative = bin                            1245 bindir_relative = bin
1246 bindir = $(abspath $(prefix)/$(bindir_relativ    1246 bindir = $(abspath $(prefix)/$(bindir_relative))
1247 includedir_relative = include                    1247 includedir_relative = include
1248 includedir = $(abspath $(prefix)/$(includedir    1248 includedir = $(abspath $(prefix)/$(includedir_relative))
1249 mandir = share/man                               1249 mandir = share/man
1250 infodir = share/info                             1250 infodir = share/info
1251 perfexecdir = libexec/perf-core                  1251 perfexecdir = libexec/perf-core
1252 # FIXME: system's libbpf header directory, wh    1252 # FIXME: system's libbpf header directory, where we expect to find bpf/bpf_helpers.h, for instance
1253 libbpf_include_dir = /usr/include                1253 libbpf_include_dir = /usr/include
1254 perf_examples_dir = lib/perf/examples            1254 perf_examples_dir = lib/perf/examples
1255 sharedir = $(prefix)/share                       1255 sharedir = $(prefix)/share
1256 template_dir = share/perf-core/templates         1256 template_dir = share/perf-core/templates
1257 STRACE_GROUPS_DIR = share/perf-core/strace/gr    1257 STRACE_GROUPS_DIR = share/perf-core/strace/groups
1258 htmldir = share/doc/perf-doc                     1258 htmldir = share/doc/perf-doc
1259 tipdir = share/doc/perf-tip                      1259 tipdir = share/doc/perf-tip
1260 srcdir = $(srctree)/tools/perf                   1260 srcdir = $(srctree)/tools/perf
1261 ifeq ($(prefix),/usr)                            1261 ifeq ($(prefix),/usr)
1262 sysconfdir = /etc                                1262 sysconfdir = /etc
1263 ETC_PERFCONFIG = $(sysconfdir)/perfconfig        1263 ETC_PERFCONFIG = $(sysconfdir)/perfconfig
1264 else                                             1264 else
1265 sysconfdir = $(prefix)/etc                       1265 sysconfdir = $(prefix)/etc
1266 ETC_PERFCONFIG = etc/perfconfig                  1266 ETC_PERFCONFIG = etc/perfconfig
1267 endif                                            1267 endif
1268 ifndef lib                                       1268 ifndef lib
1269 ifeq ($(SRCARCH)$(IS_64_BIT), x861)              1269 ifeq ($(SRCARCH)$(IS_64_BIT), x861)
1270 lib = lib64                                      1270 lib = lib64
1271 else                                             1271 else
1272 lib = lib                                        1272 lib = lib
1273 endif                                            1273 endif
1274 endif # lib                                      1274 endif # lib
1275 libdir = $(prefix)/$(lib)                        1275 libdir = $(prefix)/$(lib)
1276                                                  1276 
1277 # Shell quote (do not use $(call) to accommod    1277 # Shell quote (do not use $(call) to accommodate ancient setups);
1278 ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERF    1278 ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
1279 STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRAC    1279 STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
1280 DESTDIR_SQ = $(subst ','\'',$(DESTDIR))          1280 DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
1281 bindir_SQ = $(subst ','\'',$(bindir))            1281 bindir_SQ = $(subst ','\'',$(bindir))
1282 includedir_SQ = $(subst ','\'',$(includedir))    1282 includedir_SQ = $(subst ','\'',$(includedir))
1283 mandir_SQ = $(subst ','\'',$(mandir))            1283 mandir_SQ = $(subst ','\'',$(mandir))
1284 infodir_SQ = $(subst ','\'',$(infodir))          1284 infodir_SQ = $(subst ','\'',$(infodir))
1285 perfexecdir_SQ = $(subst ','\'',$(perfexecdir    1285 perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
1286 libbpf_include_dir_SQ = $(subst ','\'',$(libb    1286 libbpf_include_dir_SQ = $(subst ','\'',$(libbpf_include_dir))
1287 perf_examples_dir_SQ = $(subst ','\'',$(perf_    1287 perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir))
1288 template_dir_SQ = $(subst ','\'',$(template_d    1288 template_dir_SQ = $(subst ','\'',$(template_dir))
1289 htmldir_SQ = $(subst ','\'',$(htmldir))          1289 htmldir_SQ = $(subst ','\'',$(htmldir))
1290 tipdir_SQ = $(subst ','\'',$(tipdir))            1290 tipdir_SQ = $(subst ','\'',$(tipdir))
1291 prefix_SQ = $(subst ','\'',$(prefix))            1291 prefix_SQ = $(subst ','\'',$(prefix))
1292 sysconfdir_SQ = $(subst ','\'',$(sysconfdir))    1292 sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
1293 libdir_SQ = $(subst ','\'',$(libdir))            1293 libdir_SQ = $(subst ','\'',$(libdir))
1294 srcdir_SQ = $(subst ','\'',$(srcdir))            1294 srcdir_SQ = $(subst ','\'',$(srcdir))
1295                                                  1295 
1296 ifneq ($(filter /%,$(firstword $(perfexecdir)    1296 ifneq ($(filter /%,$(firstword $(perfexecdir))),)
1297 perfexec_instdir = $(perfexecdir)                1297 perfexec_instdir = $(perfexecdir)
1298 perf_include_instdir = $(libbpf_include_dir)     1298 perf_include_instdir = $(libbpf_include_dir)
1299 perf_examples_instdir = $(perf_examples_dir)     1299 perf_examples_instdir = $(perf_examples_dir)
1300 STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)     1300 STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
1301 tip_instdir = $(tipdir)                          1301 tip_instdir = $(tipdir)
1302 else                                             1302 else
1303 perfexec_instdir = $(prefix)/$(perfexecdir)      1303 perfexec_instdir = $(prefix)/$(perfexecdir)
1304 perf_include_instdir = $(prefix)/$(libbpf_inc    1304 perf_include_instdir = $(prefix)/$(libbpf_include_dir)
1305 perf_examples_instdir = $(prefix)/$(perf_exam    1305 perf_examples_instdir = $(prefix)/$(perf_examples_dir)
1306 STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GR    1306 STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
1307 tip_instdir = $(prefix)/$(tipdir)                1307 tip_instdir = $(prefix)/$(tipdir)
1308 endif                                            1308 endif
1309 perfexec_instdir_SQ = $(subst ','\'',$(perfex    1309 perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
1310 perf_include_instdir_SQ = $(subst ','\'',$(pe    1310 perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir))
1311 perf_examples_instdir_SQ = $(subst ','\'',$(p    1311 perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir))
1312 STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(S    1312 STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
1313 tip_instdir_SQ = $(subst ','\'',$(tip_instdir    1313 tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
1314                                                  1314 
1315 export perfexec_instdir_SQ                       1315 export perfexec_instdir_SQ
1316                                                  1316 
1317 print_var = $(eval $(print_var_code)) $(info     1317 print_var = $(eval $(print_var_code)) $(info $(MSG))
1318 define print_var_code                            1318 define print_var_code
1319     MSG = $(shell printf '...%40s: %s' $(1) $    1319     MSG = $(shell printf '...%40s: %s' $(1) $($(1)))
1320 endef                                            1320 endef
1321                                                  1321 
1322 ifeq ($(feature_display),1)                      1322 ifeq ($(feature_display),1)
1323   $(call feature_display_entries)                1323   $(call feature_display_entries)
1324 endif                                            1324 endif
1325                                                  1325 
1326 ifeq ($(VF),1)                                   1326 ifeq ($(VF),1)
1327   # Display EXTRA features which are detected    1327   # Display EXTRA features which are detected manualy
1328   # from here with feature_check call and thu    1328   # from here with feature_check call and thus cannot
1329   # be partof global state output.               1329   # be partof global state output.
1330   $(foreach feat,$(FEATURE_TESTS_EXTRA),$(cal    1330   $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),) $(info $(MSG)))
1331   $(call print_var,prefix)                       1331   $(call print_var,prefix)
1332   $(call print_var,bindir)                       1332   $(call print_var,bindir)
1333   $(call print_var,libdir)                       1333   $(call print_var,libdir)
1334   $(call print_var,sysconfdir)                   1334   $(call print_var,sysconfdir)
1335   $(call print_var,LIBUNWIND_DIR)                1335   $(call print_var,LIBUNWIND_DIR)
1336   $(call print_var,LIBDW_DIR)                    1336   $(call print_var,LIBDW_DIR)
1337   $(call print_var,JDIR)                         1337   $(call print_var,JDIR)
1338                                                  1338 
1339   ifeq ($(dwarf-post-unwind),1)                  1339   ifeq ($(dwarf-post-unwind),1)
1340     $(call feature_print_text,"DWARF post unw    1340     $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text)) $(info $(MSG))
1341   endif                                          1341   endif
1342 endif                                            1342 endif
1343                                                  1343 
1344 $(info )                                         1344 $(info )
1345                                                  1345 
1346 $(call detected_var,bindir_SQ)                   1346 $(call detected_var,bindir_SQ)
1347 $(call detected_var,PYTHON_WORD)                 1347 $(call detected_var,PYTHON_WORD)
1348 ifneq ($(OUTPUT),)                               1348 ifneq ($(OUTPUT),)
1349 $(call detected_var,OUTPUT)                      1349 $(call detected_var,OUTPUT)
1350 endif                                            1350 endif
1351 $(call detected_var,htmldir_SQ)                  1351 $(call detected_var,htmldir_SQ)
1352 $(call detected_var,infodir_SQ)                  1352 $(call detected_var,infodir_SQ)
1353 $(call detected_var,mandir_SQ)                   1353 $(call detected_var,mandir_SQ)
1354 $(call detected_var,ETC_PERFCONFIG_SQ)           1354 $(call detected_var,ETC_PERFCONFIG_SQ)
1355 $(call detected_var,STRACE_GROUPS_DIR_SQ)        1355 $(call detected_var,STRACE_GROUPS_DIR_SQ)
1356 $(call detected_var,prefix_SQ)                   1356 $(call detected_var,prefix_SQ)
1357 $(call detected_var,perfexecdir_SQ)              1357 $(call detected_var,perfexecdir_SQ)
1358 $(call detected_var,libbpf_include_dir_SQ)       1358 $(call detected_var,libbpf_include_dir_SQ)
1359 $(call detected_var,perf_examples_dir_SQ)        1359 $(call detected_var,perf_examples_dir_SQ)
1360 $(call detected_var,tipdir_SQ)                   1360 $(call detected_var,tipdir_SQ)
1361 $(call detected_var,srcdir_SQ)                   1361 $(call detected_var,srcdir_SQ)
1362 $(call detected_var,LIBDIR)                      1362 $(call detected_var,LIBDIR)
1363 $(call detected_var,GTK_CFLAGS)                  1363 $(call detected_var,GTK_CFLAGS)
1364 $(call detected_var,PERL_EMBED_CCOPTS)           1364 $(call detected_var,PERL_EMBED_CCOPTS)
1365 $(call detected_var,PYTHON_EMBED_CCOPTS)         1365 $(call detected_var,PYTHON_EMBED_CCOPTS)
1366 ifneq ($(BISON_FILE_PREFIX_MAP),)                1366 ifneq ($(BISON_FILE_PREFIX_MAP),)
1367 $(call detected_var,BISON_FILE_PREFIX_MAP)       1367 $(call detected_var,BISON_FILE_PREFIX_MAP)
1368 endif                                            1368 endif
1369                                                  1369 
1370 # re-generate FEATURE-DUMP as we may have cal    1370 # re-generate FEATURE-DUMP as we may have called feature_check, found out
1371 # extra libraries to add to LDFLAGS of some o    1371 # extra libraries to add to LDFLAGS of some other test and then redo those
1372 # tests, see the block about libbfd, disassem    1372 # tests, see the block about libbfd, disassembler-four-args, for instance.
1373 $(shell rm -f $(FEATURE_DUMP_FILENAME))          1373 $(shell rm -f $(FEATURE_DUMP_FILENAME))
1374 $(foreach feat,$(FEATURE_TESTS),$(shell echo     1374 $(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME)))
                                                      

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