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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 (Version linux-6.12-rc7) and /tools/perf/Makefile.config (Version linux-6.0.19)


  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 << 
 23 ifeq ($(CC_NO_CLANG), 0)                       << 
 24   CFLAGS += -Wthread-safety                    << 
 25 endif                                          << 
 26                                                << 
 27 include $(srctree)/tools/scripts/Makefile.arch     22 include $(srctree)/tools/scripts/Makefile.arch
 28                                                    23 
 29 $(call detected_var,SRCARCH)                       24 $(call detected_var,SRCARCH)
 30                                                    25 
                                                   >>  26 NO_PERF_REGS := 1
                                                   >>  27 
 31 ifneq ($(NO_SYSCALL_TABLE),1)                      28 ifneq ($(NO_SYSCALL_TABLE),1)
 32   NO_SYSCALL_TABLE := 1                            29   NO_SYSCALL_TABLE := 1
 33                                                    30 
 34   ifeq ($(SRCARCH),$(filter $(SRCARCH),x86 pow !!  31   ifeq ($(SRCARCH),x86)
 35     NO_SYSCALL_TABLE := 0                      !!  32     ifeq (${IS_64_BIT}, 1)
                                                   >>  33       NO_SYSCALL_TABLE := 0
                                                   >>  34     endif
                                                   >>  35   else
                                                   >>  36     ifeq ($(SRCARCH),$(filter $(SRCARCH),powerpc arm64 s390 mips))
                                                   >>  37       NO_SYSCALL_TABLE := 0
                                                   >>  38     endif
 36   endif                                            39   endif
 37                                                    40 
 38   ifneq ($(NO_SYSCALL_TABLE),1)                    41   ifneq ($(NO_SYSCALL_TABLE),1)
 39     CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT         42     CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT
 40   endif                                            43   endif
 41 endif                                              44 endif
 42                                                    45 
 43 # Additional ARCH settings for ppc                 46 # Additional ARCH settings for ppc
 44 ifeq ($(SRCARCH),powerpc)                          47 ifeq ($(SRCARCH),powerpc)
                                                   >>  48   NO_PERF_REGS := 0
 45   CFLAGS += -I$(OUTPUT)arch/powerpc/include/ge     49   CFLAGS += -I$(OUTPUT)arch/powerpc/include/generated
 46   LIBUNWIND_LIBS := -lunwind -lunwind-ppc64        50   LIBUNWIND_LIBS := -lunwind -lunwind-ppc64
 47 endif                                              51 endif
 48                                                    52 
 49 # Additional ARCH settings for x86                 53 # Additional ARCH settings for x86
 50 ifeq ($(SRCARCH),x86)                              54 ifeq ($(SRCARCH),x86)
 51   $(call detected,CONFIG_X86)                      55   $(call detected,CONFIG_X86)
 52   CFLAGS += -I$(OUTPUT)arch/x86/include/genera << 
 53   ifeq (${IS_64_BIT}, 1)                           56   ifeq (${IS_64_BIT}, 1)
 54     CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT       !!  57     CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT -I$(OUTPUT)arch/x86/include/generated
 55     ARCH_INCLUDE = ../../arch/x86/lib/memcpy_6     58     ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
 56     LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind      59     LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind -llzma
 57     $(call detected,CONFIG_X86_64)                 60     $(call detected,CONFIG_X86_64)
 58   else                                             61   else
 59     LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunw     62     LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind
 60   endif                                            63   endif
                                                   >>  64   NO_PERF_REGS := 0
 61 endif                                              65 endif
 62                                                    66 
 63 ifeq ($(SRCARCH),arm)                              67 ifeq ($(SRCARCH),arm)
                                                   >>  68   NO_PERF_REGS := 0
 64   LIBUNWIND_LIBS = -lunwind -lunwind-arm           69   LIBUNWIND_LIBS = -lunwind -lunwind-arm
 65 endif                                              70 endif
 66                                                    71 
 67 ifeq ($(SRCARCH),arm64)                            72 ifeq ($(SRCARCH),arm64)
                                                   >>  73   NO_PERF_REGS := 0
 68   CFLAGS += -I$(OUTPUT)arch/arm64/include/gene     74   CFLAGS += -I$(OUTPUT)arch/arm64/include/generated
 69   LIBUNWIND_LIBS = -lunwind -lunwind-aarch64       75   LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
 70 endif                                              76 endif
 71                                                    77 
 72 ifeq ($(SRCARCH),loongarch)                    !!  78 ifeq ($(SRCARCH),riscv)
 73   CFLAGS += -I$(OUTPUT)arch/loongarch/include/ !!  79   NO_PERF_REGS := 0
 74   LIBUNWIND_LIBS = -lunwind -lunwind-loongarch !!  80 endif
                                                   >>  81 
                                                   >>  82 ifeq ($(SRCARCH),csky)
                                                   >>  83   NO_PERF_REGS := 0
 75 endif                                              84 endif
 76                                                    85 
 77 ifeq ($(ARCH),s390)                                86 ifeq ($(ARCH),s390)
                                                   >>  87   NO_PERF_REGS := 0
 78   CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include     88   CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated
 79 endif                                              89 endif
 80                                                    90 
 81 ifeq ($(ARCH),mips)                                91 ifeq ($(ARCH),mips)
                                                   >>  92   NO_PERF_REGS := 0
 82   CFLAGS += -I$(OUTPUT)arch/mips/include/gener     93   CFLAGS += -I$(OUTPUT)arch/mips/include/generated
 83   LIBUNWIND_LIBS = -lunwind -lunwind-mips          94   LIBUNWIND_LIBS = -lunwind -lunwind-mips
 84 endif                                              95 endif
 85                                                    96 
                                                   >>  97 ifeq ($(NO_PERF_REGS),0)
                                                   >>  98   $(call detected,CONFIG_PERF_REGS)
                                                   >>  99 endif
                                                   >> 100 
 86 # So far there's only x86 and arm libdw unwind    101 # So far there's only x86 and arm libdw unwind support merged in perf.
 87 # Disable it on all other architectures in cas    102 # Disable it on all other architectures in case libdw unwind
 88 # support is detected in system. Add supported    103 # support is detected in system. Add supported architectures
 89 # to the check.                                   104 # to the check.
 90 ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm  !! 105 ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390 csky riscv))
 91   NO_LIBDW_DWARF_UNWIND := 1                      106   NO_LIBDW_DWARF_UNWIND := 1
 92 endif                                             107 endif
 93                                                   108 
 94 ifeq ($(LIBUNWIND_LIBS),)                         109 ifeq ($(LIBUNWIND_LIBS),)
 95   NO_LIBUNWIND := 1                               110   NO_LIBUNWIND := 1
 96 endif                                             111 endif
 97 #                                                 112 #
 98 # For linking with debug library, run like:       113 # For linking with debug library, run like:
 99 #                                                 114 #
100 #   make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/    115 #   make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
101 #                                                 116 #
102                                                   117 
103 libunwind_arch_set_flags = $(eval $(libunwind_    118 libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
104 define libunwind_arch_set_flags_code              119 define libunwind_arch_set_flags_code
105   FEATURE_CHECK_CFLAGS-libunwind-$(1)  = -I$(L    120   FEATURE_CHECK_CFLAGS-libunwind-$(1)  = -I$(LIBUNWIND_DIR)/include
106   FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(L    121   FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
107 endef                                             122 endef
108                                                   123 
109 ifdef LIBUNWIND_DIR                               124 ifdef LIBUNWIND_DIR
110   LIBUNWIND_CFLAGS  = -I$(LIBUNWIND_DIR)/inclu    125   LIBUNWIND_CFLAGS  = -I$(LIBUNWIND_DIR)/include
111   LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib      126   LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
112   LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 deb !! 127   LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64
113   $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),    128   $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
114 endif                                             129 endif
115                                                   130 
116 # Set per-feature check compilation flags         131 # Set per-feature check compilation flags
117 FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_C    132 FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
118 FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_    133 FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
119 FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $    134 FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
120 FEATURE_CHECK_LDFLAGS-libunwind-debug-frame =     135 FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
121                                                   136 
122 FEATURE_CHECK_LDFLAGS-libunwind-arm += -lunwin    137 FEATURE_CHECK_LDFLAGS-libunwind-arm += -lunwind -lunwind-arm
123 FEATURE_CHECK_LDFLAGS-libunwind-aarch64 += -lu    138 FEATURE_CHECK_LDFLAGS-libunwind-aarch64 += -lunwind -lunwind-aarch64
124 FEATURE_CHECK_LDFLAGS-libunwind-x86 += -lunwin    139 FEATURE_CHECK_LDFLAGS-libunwind-x86 += -lunwind -llzma -lunwind-x86
125 FEATURE_CHECK_LDFLAGS-libunwind-x86_64 += -lun    140 FEATURE_CHECK_LDFLAGS-libunwind-x86_64 += -lunwind -llzma -lunwind-x86_64
126                                                   141 
127 FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto        142 FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto
128                                                   143 
129 ifdef CSINCLUDES                                  144 ifdef CSINCLUDES
130   LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)            145   LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)
131 endif                                             146 endif
132 OPENCSDLIBS := -lopencsd_c_api -lopencsd       !! 147 OPENCSDLIBS := -lopencsd_c_api
133 ifeq ($(findstring -static,${LDFLAGS}),-static    148 ifeq ($(findstring -static,${LDFLAGS}),-static)
134   OPENCSDLIBS += -lstdc++                      !! 149   OPENCSDLIBS += -lopencsd -lstdc++
135 endif                                             150 endif
136 ifdef CSLIBS                                      151 ifdef CSLIBS
137   LIBOPENCSD_LDFLAGS := -L$(CSLIBS)               152   LIBOPENCSD_LDFLAGS := -L$(CSLIBS)
138 endif                                             153 endif
139 FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCS    154 FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS)
140 FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENC    155 FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS)
141                                                   156 
                                                   >> 157 ifeq ($(NO_PERF_REGS),0)
                                                   >> 158   CFLAGS += -DHAVE_PERF_REGS_SUPPORT
                                                   >> 159 endif
                                                   >> 160 
142 # for linking with debug library, run like:       161 # for linking with debug library, run like:
143 # make DEBUG=1 LIBDW_DIR=/opt/libdw/              162 # make DEBUG=1 LIBDW_DIR=/opt/libdw/
144 ifdef LIBDW_DIR                                   163 ifdef LIBDW_DIR
145   LIBDW_CFLAGS  := -I$(LIBDW_DIR)/include         164   LIBDW_CFLAGS  := -I$(LIBDW_DIR)/include
146   LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib             165   LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
147 endif                                             166 endif
148 DWARFLIBS := -ldw                                 167 DWARFLIBS := -ldw
149 ifeq ($(findstring -static,${LDFLAGS}),-static    168 ifeq ($(findstring -static,${LDFLAGS}),-static)
150   DWARFLIBS += -lelf -lz -llzma -lbz2 -lzstd   !! 169   DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2
151                                                << 
152   LIBDW_VERSION := $(shell $(PKG_CONFIG) --mod << 
153   LIBDW_VERSION_1 := $(word 1, $(subst ., ,$(L << 
154   LIBDW_VERSION_2 := $(word 2, $(subst ., ,$(L << 
155                                                << 
156   # Elfutils merged libebl.a into libdw.a star << 
157   # Link libebl.a only if libdw is older than  << 
158   ifeq ($(shell test $(LIBDW_VERSION_2) -lt 17 << 
159     DWARFLIBS += -lebl                         << 
160   endif                                        << 
161                                                << 
162   # Must put -ldl after -lebl for dependency   << 
163   DWARFLIBS += -ldl                            << 
164 endif                                             170 endif
165 FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(L    171 FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
166 FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(    172 FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS)
167                                                   173 
168 # for linking with debug library, run like:       174 # for linking with debug library, run like:
169 # make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabel    175 # make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
170 ifdef LIBBABELTRACE_DIR                           176 ifdef LIBBABELTRACE_DIR
171   LIBBABELTRACE_CFLAGS  := -I$(LIBBABELTRACE_D    177   LIBBABELTRACE_CFLAGS  := -I$(LIBBABELTRACE_DIR)/include
172   LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_D    178   LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
173 endif                                             179 endif
174 FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBAB    180 FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
175 FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBA    181 FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
176                                                   182 
177 # for linking with debug library, run like:    << 
178 # make DEBUG=1 LIBCAPSTONE_DIR=/opt/capstone/  << 
179 ifdef LIBCAPSTONE_DIR                          << 
180   LIBCAPSTONE_CFLAGS  := -I$(LIBCAPSTONE_DIR)/ << 
181   LIBCAPSTONE_LDFLAGS := -L$(LIBCAPSTONE_DIR)/ << 
182 endif                                          << 
183 FEATURE_CHECK_CFLAGS-libcapstone := $(LIBCAPST << 
184 FEATURE_CHECK_LDFLAGS-libcapstone := $(LIBCAPS << 
185                                                << 
186 ifdef LIBZSTD_DIR                                 183 ifdef LIBZSTD_DIR
187   LIBZSTD_CFLAGS  := -I$(LIBZSTD_DIR)/lib         184   LIBZSTD_CFLAGS  := -I$(LIBZSTD_DIR)/lib
188   LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib         185   LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib
189 endif                                             186 endif
190 FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLA    187 FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS)
191 FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDF    188 FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS)
192                                                   189 
193 # for linking with debug library, run like:    << 
194 # make DEBUG=1 PKG_CONFIG_PATH=/opt/libtraceev << 
195                                                << 
196 ifneq ($(NO_LIBTRACEEVENT),1)                  << 
197   ifeq ($(call get-executable,$(PKG_CONFIG)),) << 
198     $(error Error: $(PKG_CONFIG) needed by lib << 
199   endif                                        << 
200 endif                                          << 
201                                                << 
202 FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/to    190 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                    191 # include ARCH specific config
204 -include $(src-perf)/arch/$(SRCARCH)/Makefile     192 -include $(src-perf)/arch/$(SRCARCH)/Makefile
205                                                   193 
206 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSE    194 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
207   CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OF    195   CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
208 endif                                             196 endif
209                                                   197 
210 include $(srctree)/tools/scripts/utilities.mak    198 include $(srctree)/tools/scripts/utilities.mak
211                                                   199 
212 ifeq ($(call get-executable,$(FLEX)),)            200 ifeq ($(call get-executable,$(FLEX)),)
213   $(error Error: $(FLEX) is missing on this sy !! 201   dummy := $(error Error: $(FLEX) is missing on this system, please install it)
214 endif                                             202 endif
215                                                   203 
216 ifeq ($(call get-executable,$(BISON)),)           204 ifeq ($(call get-executable,$(BISON)),)
217   $(error Error: $(BISON) is missing on this s !! 205   dummy := $(error Error: $(BISON) is missing on this system, please install it)
218 endif                                             206 endif
219                                                   207 
220 ifneq ($(OUTPUT),)                                208 ifneq ($(OUTPUT),)
221   ifeq ($(shell expr $(shell $(BISON) --versio    209   ifeq ($(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    210     BISON_FILE_PREFIX_MAP := --file-prefix-map=$(OUTPUT)=
223   endif                                           211   endif
224 endif                                             212 endif
225                                                   213 
226 # Treat warnings as errors unless directed not    214 # Treat warnings as errors unless directed not to
227 ifneq ($(WERROR),0)                               215 ifneq ($(WERROR),0)
228   CORE_CFLAGS += -Werror                          216   CORE_CFLAGS += -Werror
229   CXXFLAGS += -Werror                             217   CXXFLAGS += -Werror
230   HOSTCFLAGS += -Werror                           218   HOSTCFLAGS += -Werror
231 endif                                             219 endif
232                                                   220 
233 ifndef DEBUG                                      221 ifndef DEBUG
234   DEBUG := 0                                      222   DEBUG := 0
235 endif                                             223 endif
236                                                   224 
237 ifeq ($(DEBUG),0)                                 225 ifeq ($(DEBUG),0)
238 CORE_CFLAGS += -DNDEBUG=1                      !! 226 ifeq ($(CC_NO_CLANG), 0)
239 CORE_CFLAGS += -O3                             !! 227   CORE_CFLAGS += -O3
240 else                                              228 else
241   CORE_CFLAGS += -g                            !! 229   CORE_CFLAGS += -O6
242   CXXFLAGS += -g                               !! 230 endif
243 endif                                             231 endif
244                                                   232 
245 ifdef PARSER_DEBUG                                233 ifdef PARSER_DEBUG
246   PARSER_DEBUG_BISON := -t                        234   PARSER_DEBUG_BISON := -t
247   PARSER_DEBUG_FLEX  := -d                        235   PARSER_DEBUG_FLEX  := -d
248   CFLAGS             += -DPARSER_DEBUG            236   CFLAGS             += -DPARSER_DEBUG
249   $(call detected_var,PARSER_DEBUG_BISON)         237   $(call detected_var,PARSER_DEBUG_BISON)
250   $(call detected_var,PARSER_DEBUG_FLEX)          238   $(call detected_var,PARSER_DEBUG_FLEX)
251 endif                                             239 endif
252                                                   240 
253 ifdef LTO                                      << 
254   CORE_CFLAGS += -flto                         << 
255   CXXFLAGS += -flto                            << 
256 endif                                          << 
257                                                << 
258 # Try different combinations to accommodate sy    241 # Try different combinations to accommodate systems that only have
259 # python[2][3]-config in weird combinations in    242 # python[2][3]-config in weird combinations in the following order of
260 # priority from lowest to highest:                243 # priority from lowest to highest:
261 #   * python2-config as per pep-0394.             244 #   * python2-config as per pep-0394.
262 #   * python-config                               245 #   * python-config
263 #   * python3-config                              246 #   * python3-config
264 #   * $(PYTHON)-config (If PYTHON is user supp    247 #   * $(PYTHON)-config (If PYTHON is user supplied but PYTHON_CONFIG isn't)
265 #                                                 248 #
266 PYTHON_AUTO := python-config                      249 PYTHON_AUTO := python-config
267 PYTHON_AUTO := $(if $(call get-executable,pyth    250 PYTHON_AUTO := $(if $(call get-executable,python2-config),python2-config,$(PYTHON_AUTO))
268 PYTHON_AUTO := $(if $(call get-executable,pyth    251 PYTHON_AUTO := $(if $(call get-executable,python-config),python-config,$(PYTHON_AUTO))
269 PYTHON_AUTO := $(if $(call get-executable,pyth    252 PYTHON_AUTO := $(if $(call get-executable,python3-config),python3-config,$(PYTHON_AUTO))
270                                                   253 
271 # If PYTHON is defined but PYTHON_CONFIG isn't    254 # 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    255 # supplied value for PYTHON_CONFIG. Because it's "user supplied", error out if it doesn't exist.
273 ifdef PYTHON                                      256 ifdef PYTHON
274   ifndef PYTHON_CONFIG                            257   ifndef PYTHON_CONFIG
275     PYTHON_CONFIG_AUTO := $(call get-executabl    258     PYTHON_CONFIG_AUTO := $(call get-executable,$(PYTHON)-config)
276     PYTHON_CONFIG := $(if $(PYTHON_CONFIG_AUTO    259     PYTHON_CONFIG := $(if $(PYTHON_CONFIG_AUTO),$(PYTHON_CONFIG_AUTO),\
277                           $(call $(error $(PYT    260                           $(call $(error $(PYTHON)-config not found)))
278   endif                                           261   endif
279 endif                                             262 endif
280                                                   263 
281 # Select either auto detected python and pytho    264 # Select either auto detected python and python-config or use user supplied values if they are
282 # defined. get-executable-or-default fails wit    265 # defined. get-executable-or-default fails with an error if the first argument is supplied but
283 # doesn't exist.                                  266 # doesn't exist.
284 override PYTHON_CONFIG := $(call get-executabl    267 override PYTHON_CONFIG := $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON_AUTO))
285 override PYTHON := $(call get-executable-or-de    268 override PYTHON := $(call get-executable-or-default,PYTHON,$(subst -config,,$(PYTHON_CONFIG)))
286                                                   269 
287 grep-libs  = $(filter -l%,$(1))                   270 grep-libs  = $(filter -l%,$(1))
288 strip-libs  = $(filter-out -l%,$(1))              271 strip-libs  = $(filter-out -l%,$(1))
289                                                   272 
290 PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_C    273 PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
291                                                   274 
292 # Python 3.8 changed the output of `python-con    275 # Python 3.8 changed the output of `python-config --ldflags` to not include the
293 # '-lpythonX.Y' flag unless '--embed' is also     276 # '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for
294 # libpython fails if that flag is not included    277 # libpython fails if that flag is not included in LDFLAGS
295 ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --    278 ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0)
296   PYTHON_CONFIG_LDFLAGS := --ldflags --embed      279   PYTHON_CONFIG_LDFLAGS := --ldflags --embed
297 else                                              280 else
298   PYTHON_CONFIG_LDFLAGS := --ldflags              281   PYTHON_CONFIG_LDFLAGS := --ldflags
299 endif                                             282 endif
300                                                   283 
301 ifdef PYTHON_CONFIG                               284 ifdef PYTHON_CONFIG
302   PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONF    285   PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) $(PYTHON_CONFIG_LDFLAGS) 2>/dev/null)
303   # Update the python flags for cross compilat << 
304   ifdef CROSS_COMPILE                          << 
305     PYTHON_NATIVE := $(shell echo $(PYTHON_EMB << 
306     PYTHON_EMBED_LDOPTS := $(subst $(PYTHON_NA << 
307   endif                                        << 
308   PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(    286   PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
309   PYTHON_EMBED_LIBADD := $(call grep-libs,$(PY    287   PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
310   PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONF    288   PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null)
311   FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS)    289   FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
312   ifeq ($(CC_NO_CLANG), 0)                        290   ifeq ($(CC_NO_CLANG), 0)
313     PYTHON_EMBED_CCOPTS := $(filter-out -ffat-    291     PYTHON_EMBED_CCOPTS := $(filter-out -ffat-lto-objects, $(PYTHON_EMBED_CCOPTS))
314   endif                                           292   endif
315 endif                                             293 endif
316                                                   294 
317 FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMB    295 FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
318 FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EM    296 FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
319                                                   297 
320 FEATURE_CHECK_LDFLAGS-libaio = -lrt               298 FEATURE_CHECK_LDFLAGS-libaio = -lrt
321                                                   299 
322 FEATURE_CHECK_LDFLAGS-disassembler-four-args = << 
323 FEATURE_CHECK_LDFLAGS-disassembler-init-styled << 
324                                                << 
325 CORE_CFLAGS += -fno-omit-frame-pointer            300 CORE_CFLAGS += -fno-omit-frame-pointer
                                                   >> 301 CORE_CFLAGS += -ggdb3
                                                   >> 302 CORE_CFLAGS += -funwind-tables
326 CORE_CFLAGS += -Wall                              303 CORE_CFLAGS += -Wall
327 CORE_CFLAGS += -Wextra                            304 CORE_CFLAGS += -Wextra
328 CORE_CFLAGS += -std=gnu11                      !! 305 CORE_CFLAGS += -std=gnu99
329                                                   306 
330 CXXFLAGS += -std=gnu++17 -fno-exceptions -fno- !! 307 CXXFLAGS += -std=gnu++14 -fno-exceptions -fno-rtti
331 CXXFLAGS += -Wall                                 308 CXXFLAGS += -Wall
332 CXXFLAGS += -Wextra                            << 
333 CXXFLAGS += -fno-omit-frame-pointer               309 CXXFLAGS += -fno-omit-frame-pointer
                                                   >> 310 CXXFLAGS += -ggdb3
                                                   >> 311 CXXFLAGS += -funwind-tables
                                                   >> 312 CXXFLAGS += -Wno-strict-aliasing
334                                                   313 
335 HOSTCFLAGS += -Wall                               314 HOSTCFLAGS += -Wall
336 HOSTCFLAGS += -Wextra                             315 HOSTCFLAGS += -Wextra
337                                                   316 
338 # Enforce a non-executable stack, as we may re    317 # Enforce a non-executable stack, as we may regress (again) in the future by
339 # adding assembler files missing the .GNU-stac    318 # adding assembler files missing the .GNU-stack linker note.
340 LDFLAGS += -Wl,-z,noexecstack                     319 LDFLAGS += -Wl,-z,noexecstack
341                                                   320 
342 EXTLIBS = -lpthread -lrt -lm -ldl                 321 EXTLIBS = -lpthread -lrt -lm -ldl
343                                                   322 
344 ifneq ($(TCMALLOC),)                              323 ifneq ($(TCMALLOC),)
345   CFLAGS += -fno-builtin-malloc -fno-builtin-c    324   CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free
346   EXTLIBS += -ltcmalloc                           325   EXTLIBS += -ltcmalloc
347 endif                                             326 endif
348                                                   327 
349 ifeq ($(FEATURES_DUMP),)                          328 ifeq ($(FEATURES_DUMP),)
350 # We will display at the end of this Makefile. !! 329 # We will display at the end of this Makefile.config, using $(call feature_display_entries),
351 # As we may retry some feature detection here, !! 330 # as we may retry some feature detection here.
352   FEATURE_DISPLAY_DEFERRED := 1                   331   FEATURE_DISPLAY_DEFERRED := 1
353 include $(srctree)/tools/build/Makefile.featur    332 include $(srctree)/tools/build/Makefile.feature
354 else                                              333 else
355 include $(FEATURES_DUMP)                          334 include $(FEATURES_DUMP)
356 endif                                             335 endif
357                                                   336 
358 ifeq ($(feature-stackprotector-all), 1)           337 ifeq ($(feature-stackprotector-all), 1)
359   CORE_CFLAGS += -fstack-protector-all            338   CORE_CFLAGS += -fstack-protector-all
360 endif                                             339 endif
361                                                   340 
362 ifeq ($(DEBUG),0)                                 341 ifeq ($(DEBUG),0)
363   ifeq ($(feature-fortify-source), 1)             342   ifeq ($(feature-fortify-source), 1)
364     CORE_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIF    343     CORE_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
365   endif                                           344   endif
366 endif                                             345 endif
367                                                   346 
                                                   >> 347 INC_FLAGS += -I$(srctree)/tools/lib/perf/include
368 INC_FLAGS += -I$(src-perf)/util/include           348 INC_FLAGS += -I$(src-perf)/util/include
369 INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/inc    349 INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
370 INC_FLAGS += -I$(srctree)/tools/include/          350 INC_FLAGS += -I$(srctree)/tools/include/
371 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH    351 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
372 INC_FLAGS += -I$(srctree)/tools/include/uapi      352 INC_FLAGS += -I$(srctree)/tools/include/uapi
373 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH    353 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
374 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH    354 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
375                                                   355 
376 # $(obj-perf)      for generated common-cmds.h    356 # $(obj-perf)      for generated common-cmds.h
377 # $(obj-perf)/util for generated bison/flex he    357 # $(obj-perf)/util for generated bison/flex headers
378 ifneq ($(OUTPUT),)                                358 ifneq ($(OUTPUT),)
379 INC_FLAGS += -I$(obj-perf)/util                   359 INC_FLAGS += -I$(obj-perf)/util
380 INC_FLAGS += -I$(obj-perf)                        360 INC_FLAGS += -I$(obj-perf)
381 endif                                             361 endif
382                                                   362 
383 INC_FLAGS += -I$(src-perf)/util                   363 INC_FLAGS += -I$(src-perf)/util
384 INC_FLAGS += -I$(src-perf)                        364 INC_FLAGS += -I$(src-perf)
                                                   >> 365 INC_FLAGS += -I$(srctree)/tools/lib/
385                                                   366 
386 CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_O    367 CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
387                                                   368 
388 CFLAGS   += $(CORE_CFLAGS) $(INC_FLAGS)           369 CFLAGS   += $(CORE_CFLAGS) $(INC_FLAGS)
389 CXXFLAGS += $(INC_FLAGS)                          370 CXXFLAGS += $(INC_FLAGS)
390                                                   371 
391 LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAG    372 LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS)
392                                                   373 
393 ifeq ($(feature-pthread-attr-setaffinity-np),     374 ifeq ($(feature-pthread-attr-setaffinity-np), 1)
394   CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP    375   CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
395 endif                                             376 endif
396                                                   377 
397 ifeq ($(feature-pthread-barrier), 1)              378 ifeq ($(feature-pthread-barrier), 1)
398   CFLAGS += -DHAVE_PTHREAD_BARRIER                379   CFLAGS += -DHAVE_PTHREAD_BARRIER
399 endif                                             380 endif
400                                                   381 
401 ifndef NO_BIONIC                                  382 ifndef NO_BIONIC
402   $(call feature_check,bionic)                    383   $(call feature_check,bionic)
403   ifeq ($(feature-bionic), 1)                     384   ifeq ($(feature-bionic), 1)
404     BIONIC := 1                                   385     BIONIC := 1
405     CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE          386     CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE
406     CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE    387     CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE
407     EXTLIBS := $(filter-out -lrt,$(EXTLIBS))      388     EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
408     EXTLIBS := $(filter-out -lpthread,$(EXTLIB    389     EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
409   endif                                           390   endif
410 endif                                             391 endif
411                                                   392 
412 ifeq ($(feature-eventfd), 1)                      393 ifeq ($(feature-eventfd), 1)
413   CFLAGS += -DHAVE_EVENTFD_SUPPORT                394   CFLAGS += -DHAVE_EVENTFD_SUPPORT
414 endif                                             395 endif
415                                                   396 
416 ifeq ($(feature-get_current_dir_name), 1)         397 ifeq ($(feature-get_current_dir_name), 1)
417   CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME           398   CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME
418 endif                                             399 endif
419                                                   400 
420 ifeq ($(feature-gettid), 1)                       401 ifeq ($(feature-gettid), 1)
421   CFLAGS += -DHAVE_GETTID                         402   CFLAGS += -DHAVE_GETTID
422 endif                                             403 endif
423                                                   404 
424 ifeq ($(feature-file-handle), 1)                  405 ifeq ($(feature-file-handle), 1)
425   CFLAGS += -DHAVE_FILE_HANDLE                    406   CFLAGS += -DHAVE_FILE_HANDLE
426 endif                                             407 endif
427                                                   408 
428 ifdef NO_LIBELF                                   409 ifdef NO_LIBELF
429   NO_DWARF := 1                                   410   NO_DWARF := 1
                                                   >> 411   NO_DEMANGLE := 1
430   NO_LIBUNWIND := 1                               412   NO_LIBUNWIND := 1
431   NO_LIBDW_DWARF_UNWIND := 1                      413   NO_LIBDW_DWARF_UNWIND := 1
432   NO_LIBBPF := 1                                  414   NO_LIBBPF := 1
433   NO_JVMTI := 1                                   415   NO_JVMTI := 1
434 else                                              416 else
435   ifeq ($(feature-libelf), 0)                     417   ifeq ($(feature-libelf), 0)
436     ifeq ($(feature-glibc), 1)                    418     ifeq ($(feature-glibc), 1)
437       LIBC_SUPPORT := 1                           419       LIBC_SUPPORT := 1
438     endif                                         420     endif
439     ifeq ($(BIONIC),1)                            421     ifeq ($(BIONIC),1)
440       LIBC_SUPPORT := 1                           422       LIBC_SUPPORT := 1
441     endif                                         423     endif
442     ifeq ($(LIBC_SUPPORT),1)                      424     ifeq ($(LIBC_SUPPORT),1)
443       $(error ERROR: No libelf found. Disables !! 425       msg := $(warning No libelf found. Disables 'probe' tool, jvmti and BPF support in 'perf record'. Please install libelf-dev, libelf-devel or elfutils-libelf-devel);
                                                   >> 426 
                                                   >> 427       NO_LIBELF := 1
                                                   >> 428       NO_DWARF := 1
                                                   >> 429       NO_DEMANGLE := 1
                                                   >> 430       NO_LIBUNWIND := 1
                                                   >> 431       NO_LIBDW_DWARF_UNWIND := 1
                                                   >> 432       NO_LIBBPF := 1
                                                   >> 433       NO_JVMTI := 1
444     else                                          434     else
445       ifneq ($(filter s% -fsanitize=address%,$    435       ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),)
446         ifneq ($(shell ldconfig -p | grep liba    436         ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0)
447           $(error No libasan found, please ins !! 437           msg := $(error No libasan found, please install libasan);
448         endif                                     438         endif
449       endif                                       439       endif
450                                                   440 
451       ifneq ($(filter s% -fsanitize=undefined%    441       ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),)
452         ifneq ($(shell ldconfig -p | grep libu    442         ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0)
453           $(error No libubsan found, please in !! 443           msg := $(error No libubsan found, please install libubsan);
454         endif                                     444         endif
455       endif                                       445       endif
456                                                   446 
457       ifneq ($(filter s% -static%,$(LDFLAGS),)    447       ifneq ($(filter s% -static%,$(LDFLAGS),),)
458         $(error No static glibc found, please  !! 448         msg := $(error No static glibc found, please install glibc-static);
459       else                                        449       else
460         $(error No gnu/libc-version.h found, p !! 450         msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
461       endif                                       451       endif
462     endif                                         452     endif
463   else                                            453   else
464     ifndef NO_LIBDW_DWARF_UNWIND                  454     ifndef NO_LIBDW_DWARF_UNWIND
465       ifneq ($(feature-libdw-dwarf-unwind),1)     455       ifneq ($(feature-libdw-dwarf-unwind),1)
466         NO_LIBDW_DWARF_UNWIND := 1                456         NO_LIBDW_DWARF_UNWIND := 1
467         $(warning No libdw DWARF unwind found, !! 457         msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
468       endif                                       458       endif
469     endif                                         459     endif
470     ifneq ($(feature-dwarf), 1)                   460     ifneq ($(feature-dwarf), 1)
471       ifndef NO_DWARF                             461       ifndef NO_DWARF
472         $(warning No libdw.h found or old libd !! 462         msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
473         NO_DWARF := 1                             463         NO_DWARF := 1
474       endif                                       464       endif
475     else                                          465     else
476       ifneq ($(feature-dwarf_getlocations), 1)    466       ifneq ($(feature-dwarf_getlocations), 1)
477         $(warning Old libdw.h, finding variabl !! 467         msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
478       else                                        468       else
479         CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SU    469         CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT
480       endif # dwarf_getlocations                  470       endif # dwarf_getlocations
481       ifneq ($(feature-dwarf_getcfi), 1)       << 
482         $(warning Old libdw.h, finding variabl << 
483       else                                     << 
484         CFLAGS += -DHAVE_DWARF_CFI_SUPPORT     << 
485       endif # dwarf_getcfi                     << 
486     endif # Dwarf support                         471     endif # Dwarf support
487   endif # libelf support                          472   endif # libelf support
488 endif # NO_LIBELF                                 473 endif # NO_LIBELF
489                                                   474 
                                                   >> 475 ifeq ($(feature-glibc), 1)
                                                   >> 476   CFLAGS += -DHAVE_GLIBC_SUPPORT
                                                   >> 477 endif
                                                   >> 478 
490 ifeq ($(feature-libaio), 1)                       479 ifeq ($(feature-libaio), 1)
491   ifndef NO_AIO                                   480   ifndef NO_AIO
492     CFLAGS += -DHAVE_AIO_SUPPORT                  481     CFLAGS += -DHAVE_AIO_SUPPORT
493   endif                                           482   endif
494 endif                                             483 endif
495                                                   484 
496 ifdef NO_DWARF                                    485 ifdef NO_DWARF
497   NO_LIBDW_DWARF_UNWIND := 1                      486   NO_LIBDW_DWARF_UNWIND := 1
498 endif                                             487 endif
499                                                   488 
500 ifeq ($(feature-scandirat), 1)                 << 
501   # Ignore having scandirat with memory saniti << 
502   ifeq ($(filter s% -fsanitize=memory%,$(EXTRA << 
503     CFLAGS += -DHAVE_SCANDIRAT_SUPPORT         << 
504   endif                                        << 
505 endif                                          << 
506                                                << 
507 ifeq ($(feature-sched_getcpu), 1)                 489 ifeq ($(feature-sched_getcpu), 1)
508   CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT           490   CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
509 endif                                             491 endif
510                                                   492 
511 ifeq ($(feature-setns), 1)                        493 ifeq ($(feature-setns), 1)
512   CFLAGS += -DHAVE_SETNS_SUPPORT                  494   CFLAGS += -DHAVE_SETNS_SUPPORT
513   $(call detected,CONFIG_SETNS)                   495   $(call detected,CONFIG_SETNS)
514 endif                                             496 endif
515                                                   497 
516 ifdef CORESIGHT                                   498 ifdef CORESIGHT
517   $(call feature_check,libopencsd)                499   $(call feature_check,libopencsd)
518   ifeq ($(feature-libopencsd), 1)                 500   ifeq ($(feature-libopencsd), 1)
519     CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPEN    501     CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
520     ifeq ($(feature-reallocarray), 0)             502     ifeq ($(feature-reallocarray), 0)
521       CFLAGS += -DCOMPAT_NEED_REALLOCARRAY        503       CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
522     endif                                         504     endif
523     LDFLAGS += $(LIBOPENCSD_LDFLAGS)              505     LDFLAGS += $(LIBOPENCSD_LDFLAGS)
524     EXTLIBS += $(OPENCSDLIBS)                     506     EXTLIBS += $(OPENCSDLIBS)
525     $(call detected,CONFIG_LIBOPENCSD)            507     $(call detected,CONFIG_LIBOPENCSD)
526     ifdef CSTRACE_RAW                             508     ifdef CSTRACE_RAW
527       CFLAGS += -DCS_DEBUG_RAW                    509       CFLAGS += -DCS_DEBUG_RAW
528       ifeq (${CSTRACE_RAW}, packed)               510       ifeq (${CSTRACE_RAW}, packed)
529         CFLAGS += -DCS_RAW_PACKED                 511         CFLAGS += -DCS_RAW_PACKED
530       endif                                       512       endif
531     endif                                         513     endif
532   else                                            514   else
533     $(error Error: No libopencsd library found !! 515     dummy := $(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                                        << 
535 endif                                          << 
536                                                << 
537 ifndef NO_ZLIB                                 << 
538   ifeq ($(feature-zlib), 1)                    << 
539     CFLAGS += -DHAVE_ZLIB_SUPPORT              << 
540     EXTLIBS += -lz                             << 
541     $(call detected,CONFIG_ZLIB)               << 
542   else                                         << 
543     NO_ZLIB := 1                               << 
544   endif                                           516   endif
545 endif                                             517 endif
546                                                   518 
547 ifndef NO_LIBELF                                  519 ifndef NO_LIBELF
548   CFLAGS += -DHAVE_LIBELF_SUPPORT                 520   CFLAGS += -DHAVE_LIBELF_SUPPORT
549   EXTLIBS += -lelf                                521   EXTLIBS += -lelf
550   $(call detected,CONFIG_LIBELF)                  522   $(call detected,CONFIG_LIBELF)
551                                                   523 
552   ifeq ($(feature-libelf-getphdrnum), 1)          524   ifeq ($(feature-libelf-getphdrnum), 1)
553     CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT       525     CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
554   endif                                           526   endif
555                                                   527 
556   ifeq ($(feature-libelf-gelf_getnote), 1)        528   ifeq ($(feature-libelf-gelf_getnote), 1)
557     CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT         529     CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
558   else                                            530   else
559     $(warning gelf_getnote() not found on libe !! 531     msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
560   endif                                           532   endif
561                                                   533 
562   ifeq ($(feature-libelf-getshdrstrndx), 1)       534   ifeq ($(feature-libelf-getshdrstrndx), 1)
563     CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT    535     CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
564   endif                                           536   endif
565                                                   537 
566   ifndef NO_LIBDEBUGINFOD                         538   ifndef NO_LIBDEBUGINFOD
567     $(call feature_check,libdebuginfod)           539     $(call feature_check,libdebuginfod)
568     ifeq ($(feature-libdebuginfod), 1)            540     ifeq ($(feature-libdebuginfod), 1)
569       CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT         541       CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT
570       EXTLIBS += -ldebuginfod                     542       EXTLIBS += -ldebuginfod
571     endif                                         543     endif
572   endif                                           544   endif
573                                                   545 
574   ifndef NO_DWARF                                 546   ifndef NO_DWARF
575     ifeq ($(origin PERF_HAVE_DWARF_REGS), unde    547     ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
576       $(warning DWARF register mappings have n !! 548       msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
577       NO_DWARF := 1                               549       NO_DWARF := 1
578     else                                          550     else
579       CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_C    551       CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
580       LDFLAGS += $(LIBDW_LDFLAGS)                 552       LDFLAGS += $(LIBDW_LDFLAGS)
581       EXTLIBS += ${DWARFLIBS}                     553       EXTLIBS += ${DWARFLIBS}
582       $(call detected,CONFIG_DWARF)               554       $(call detected,CONFIG_DWARF)
583     endif # PERF_HAVE_DWARF_REGS                  555     endif # PERF_HAVE_DWARF_REGS
584   endif # NO_DWARF                                556   endif # NO_DWARF
585                                                   557 
586   ifndef NO_LIBBPF                                558   ifndef NO_LIBBPF
587     ifeq ($(feature-bpf), 1)                      559     ifeq ($(feature-bpf), 1)
                                                   >> 560       CFLAGS += -DHAVE_LIBBPF_SUPPORT
                                                   >> 561       $(call detected,CONFIG_LIBBPF)
                                                   >> 562 
588       # detecting libbpf without LIBBPF_DYNAMI    563       # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status
589       $(call feature_check,libbpf)                564       $(call feature_check,libbpf)
590                                                << 
591       ifdef LIBBPF_DYNAMIC                        565       ifdef LIBBPF_DYNAMIC
592         ifeq ($(feature-libbpf), 1)               566         ifeq ($(feature-libbpf), 1)
593           EXTLIBS += -lbpf                        567           EXTLIBS += -lbpf
594           CFLAGS += -DHAVE_LIBBPF_SUPPORT      << 
595           $(call detected,CONFIG_LIBBPF)       << 
596           $(call detected,CONFIG_LIBBPF_DYNAMI    568           $(call detected,CONFIG_LIBBPF_DYNAMIC)
                                                   >> 569 
                                                   >> 570           $(call feature_check,libbpf-btf__load_from_kernel_by_id)
                                                   >> 571           ifeq ($(feature-libbpf-btf__load_from_kernel_by_id), 1)
                                                   >> 572             CFLAGS += -DHAVE_LIBBPF_BTF__LOAD_FROM_KERNEL_BY_ID
                                                   >> 573           endif
                                                   >> 574           $(call feature_check,libbpf-bpf_prog_load)
                                                   >> 575           ifeq ($(feature-libbpf-bpf_prog_load), 1)
                                                   >> 576             CFLAGS += -DHAVE_LIBBPF_BPF_PROG_LOAD
                                                   >> 577           endif
                                                   >> 578           $(call feature_check,libbpf-bpf_object__next_program)
                                                   >> 579           ifeq ($(feature-libbpf-bpf_object__next_program), 1)
                                                   >> 580             CFLAGS += -DHAVE_LIBBPF_BPF_OBJECT__NEXT_PROGRAM
                                                   >> 581           endif
                                                   >> 582           $(call feature_check,libbpf-bpf_object__next_map)
                                                   >> 583           ifeq ($(feature-libbpf-bpf_object__next_map), 1)
                                                   >> 584             CFLAGS += -DHAVE_LIBBPF_BPF_OBJECT__NEXT_MAP
                                                   >> 585           endif
                                                   >> 586           $(call feature_check,libbpf-btf__raw_data)
                                                   >> 587           ifeq ($(feature-libbpf-btf__raw_data), 1)
                                                   >> 588             CFLAGS += -DHAVE_LIBBPF_BTF__RAW_DATA
                                                   >> 589           endif
                                                   >> 590           $(call feature_check,libbpf-bpf_map_create)
                                                   >> 591           ifeq ($(feature-libbpf-bpf_map_create), 1)
                                                   >> 592             CFLAGS += -DHAVE_LIBBPF_BPF_MAP_CREATE
                                                   >> 593           endif
597         else                                      594         else
598           $(error Error: No libbpf devel libra !! 595           dummy := $(error Error: No libbpf devel library found, please install libbpf-devel);
599         endif                                     596         endif
600       else                                        597       else
601         ifeq ($(NO_ZLIB), 1)                   !! 598         CFLAGS += -DHAVE_LIBBPF_BTF__LOAD_FROM_KERNEL_BY_ID
602           $(warning Warning: Statically buildi !! 599         CFLAGS += -DHAVE_LIBBPF_BPF_PROG_LOAD
603           NO_LIBBPF := 1                       !! 600         CFLAGS += -DHAVE_LIBBPF_BPF_OBJECT__NEXT_PROGRAM
604         else                                   !! 601         CFLAGS += -DHAVE_LIBBPF_BPF_OBJECT__NEXT_MAP
605           # Libbpf will be built as a static l !! 602         CFLAGS += -DHAVE_LIBBPF_BTF__RAW_DATA
606           LIBBPF_STATIC := 1                   !! 603         CFLAGS += -DHAVE_LIBBPF_BPF_MAP_CREATE
607           $(call detected,CONFIG_LIBBPF)       << 
608           CFLAGS += -DHAVE_LIBBPF_SUPPORT      << 
609         endif                                  << 
610       endif                                       604       endif
611     endif                                         605     endif
                                                   >> 606 
                                                   >> 607     ifndef NO_DWARF
                                                   >> 608       ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
                                                   >> 609         CFLAGS += -DHAVE_BPF_PROLOGUE
                                                   >> 610         $(call detected,CONFIG_BPF_PROLOGUE)
                                                   >> 611       else
                                                   >> 612         msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset());
                                                   >> 613       endif
                                                   >> 614     else
                                                   >> 615       msg := $(warning DWARF support is off, BPF prologue is disabled);
                                                   >> 616     endif
                                                   >> 617 
612   endif # NO_LIBBPF                               618   endif # NO_LIBBPF
613 endif # NO_LIBELF                                 619 endif # NO_LIBELF
614                                                   620 
615 ifndef NO_SDT                                     621 ifndef NO_SDT
616   ifneq ($(feature-sdt), 1)                       622   ifneq ($(feature-sdt), 1)
617     $(warning No sys/sdt.h found, no SDT event !! 623     msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
618     NO_SDT := 1;                                  624     NO_SDT := 1;
619   else                                            625   else
620     CFLAGS += -DHAVE_SDT_EVENT                    626     CFLAGS += -DHAVE_SDT_EVENT
621     $(call detected,CONFIG_SDT_EVENT)             627     $(call detected,CONFIG_SDT_EVENT)
622   endif                                           628   endif
623 endif                                             629 endif
624                                                   630 
625 ifdef PERF_HAVE_JITDUMP                           631 ifdef PERF_HAVE_JITDUMP
626   ifndef NO_LIBELF                                632   ifndef NO_LIBELF
627     $(call detected,CONFIG_JITDUMP)               633     $(call detected,CONFIG_JITDUMP)
628     CFLAGS += -DHAVE_JITDUMP                      634     CFLAGS += -DHAVE_JITDUMP
629   endif                                           635   endif
630 endif                                             636 endif
631                                                   637 
632 ifeq ($(SRCARCH),powerpc)                         638 ifeq ($(SRCARCH),powerpc)
633   ifndef NO_DWARF                                 639   ifndef NO_DWARF
634     CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX           640     CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
635   endif                                           641   endif
636 endif                                             642 endif
637                                                   643 
638 ifndef NO_LIBUNWIND                               644 ifndef NO_LIBUNWIND
639   have_libunwind :=                               645   have_libunwind :=
640                                                   646 
641   $(call feature_check,libunwind-x86)             647   $(call feature_check,libunwind-x86)
642   ifeq ($(feature-libunwind-x86), 1)              648   ifeq ($(feature-libunwind-x86), 1)
643     $(call detected,CONFIG_LIBUNWIND_X86)         649     $(call detected,CONFIG_LIBUNWIND_X86)
644     CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT        650     CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
645     LDFLAGS += -lunwind-x86                       651     LDFLAGS += -lunwind-x86
646     EXTLIBS_LIBUNWIND += -lunwind-x86             652     EXTLIBS_LIBUNWIND += -lunwind-x86
647     have_libunwind = 1                            653     have_libunwind = 1
648   endif                                           654   endif
649                                                   655 
650   $(call feature_check,libunwind-aarch64)         656   $(call feature_check,libunwind-aarch64)
651   ifeq ($(feature-libunwind-aarch64), 1)          657   ifeq ($(feature-libunwind-aarch64), 1)
652     $(call detected,CONFIG_LIBUNWIND_AARCH64)     658     $(call detected,CONFIG_LIBUNWIND_AARCH64)
653     CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT    659     CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
654     LDFLAGS += -lunwind-aarch64                   660     LDFLAGS += -lunwind-aarch64
655     EXTLIBS_LIBUNWIND += -lunwind-aarch64         661     EXTLIBS_LIBUNWIND += -lunwind-aarch64
656     have_libunwind = 1                            662     have_libunwind = 1
657     $(call feature_check,libunwind-debug-frame    663     $(call feature_check,libunwind-debug-frame-aarch64)
658     ifneq ($(feature-libunwind-debug-frame-aar    664     ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
659       $(warning No debug_frame support found i !! 665       msg := $(warning No debug_frame support found in libunwind-aarch64);
660       CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AAR    666       CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
661     endif                                         667     endif
662   endif                                           668   endif
663                                                   669 
664   ifneq ($(feature-libunwind), 1)                 670   ifneq ($(feature-libunwind), 1)
665     $(warning No libunwind found. Please insta !! 671     msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
666     NO_LOCAL_LIBUNWIND := 1                       672     NO_LOCAL_LIBUNWIND := 1
667   else                                            673   else
668     have_libunwind := 1                           674     have_libunwind := 1
669     $(call detected,CONFIG_LOCAL_LIBUNWIND)       675     $(call detected,CONFIG_LOCAL_LIBUNWIND)
670   endif                                           676   endif
671                                                   677 
672   ifneq ($(have_libunwind), 1)                    678   ifneq ($(have_libunwind), 1)
673     NO_LIBUNWIND := 1                             679     NO_LIBUNWIND := 1
674   endif                                           680   endif
675 else                                              681 else
676   NO_LOCAL_LIBUNWIND := 1                         682   NO_LOCAL_LIBUNWIND := 1
677 endif                                             683 endif
678                                                   684 
679 ifndef NO_LIBBPF                                  685 ifndef NO_LIBBPF
680   ifneq ($(feature-bpf), 1)                       686   ifneq ($(feature-bpf), 1)
681     $(warning BPF API too old. Please install  !! 687     msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
682     NO_LIBBPF := 1                                688     NO_LIBBPF := 1
683   endif                                           689   endif
684 endif                                             690 endif
685                                                   691 
686 ifndef BUILD_BPF_SKEL                          !! 692 ifdef BUILD_BPF_SKEL
687   # BPF skeletons control a large number of pe !! 693   $(call feature_check,clang-bpf-co-re)
688   # they are enabled.                          !! 694   ifeq ($(feature-clang-bpf-co-re), 0)
689   BUILD_BPF_SKEL := 1                          !! 695     dummy := $(error Error: clang too old/not installed. Please install recent clang to build with BUILD_BPF_SKEL)
690 endif                                          << 
691                                                << 
692 ifeq ($(BUILD_BPF_SKEL),1)                     << 
693   ifeq ($(filter -DHAVE_LIBELF_SUPPORT, $(CFLA << 
694     $(warning Warning: Disabled BPF skeletons  << 
695     BUILD_BPF_SKEL := 0                        << 
696   else ifeq ($(filter -DHAVE_ZLIB_SUPPORT, $(C << 
697     $(warning Warning: Disabled BPF skeletons  << 
698     BUILD_BPF_SKEL := 0                        << 
699   else ifeq ($(filter -DHAVE_LIBBPF_SUPPORT, $ << 
700     $(warning Warning: Disabled BPF skeletons  << 
701     BUILD_BPF_SKEL := 0                        << 
702   else ifeq ($(call get-executable,$(CLANG)),) << 
703     $(warning Warning: Disabled BPF skeletons  << 
704     BUILD_BPF_SKEL := 0                        << 
705   else                                         << 
706     CLANG_VERSION := $(shell $(CLANG) --versio << 
707     ifeq ($(call version-lt3,$(CLANG_VERSION), << 
708       $(warning Warning: Disabled BPF skeleton << 
709       BUILD_BPF_SKEL := 0                      << 
710     endif                                      << 
711   endif                                        << 
712   ifeq ($(BUILD_BPF_SKEL),1)                   << 
713     $(call feature_check,clang-bpf-co-re)      << 
714     ifeq ($(feature-clang-bpf-co-re), 0)       << 
715       $(warning Warning: Disabled BPF skeleton << 
716       BUILD_BPF_SKEL := 0                      << 
717     endif                                      << 
718   endif                                        << 
719   ifeq ($(BUILD_BPF_SKEL),1)                   << 
720     $(call detected,CONFIG_PERF_BPF_SKEL)      << 
721     CFLAGS += -DHAVE_BPF_SKEL                  << 
722   endif                                           696   endif
723 endif                                          !! 697   ifeq ($(filter -DHAVE_LIBBPF_SUPPORT, $(CFLAGS)),)
724                                                !! 698     dummy := $(error Error: BPF skeleton support requires libbpf)
725 ifndef GEN_VMLINUX_H                           !! 699   endif
726   VMLINUX_H=$(src-perf)/util/bpf_skel/vmlinux/ !! 700   $(call detected,CONFIG_PERF_BPF_SKEL)
                                                   >> 701   CFLAGS += -DHAVE_BPF_SKEL
727 endif                                             702 endif
728                                                   703 
729 dwarf-post-unwind := 1                            704 dwarf-post-unwind := 1
730 dwarf-post-unwind-text := BUG                     705 dwarf-post-unwind-text := BUG
731                                                   706 
732 # setup DWARF post unwinder                       707 # setup DWARF post unwinder
733 ifdef NO_LIBUNWIND                                708 ifdef NO_LIBUNWIND
734   ifdef NO_LIBDW_DWARF_UNWIND                     709   ifdef NO_LIBDW_DWARF_UNWIND
735     $(warning Disabling post unwind, no suppor !! 710     msg := $(warning Disabling post unwind, no support found.);
736     dwarf-post-unwind := 0                        711     dwarf-post-unwind := 0
737   else                                            712   else
738     dwarf-post-unwind-text := libdw               713     dwarf-post-unwind-text := libdw
739     $(call detected,CONFIG_LIBDW_DWARF_UNWIND)    714     $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
740   endif                                           715   endif
741 else                                              716 else
742   dwarf-post-unwind-text := libunwind             717   dwarf-post-unwind-text := libunwind
743   $(call detected,CONFIG_LIBUNWIND)               718   $(call detected,CONFIG_LIBUNWIND)
744   # Enable libunwind support by default.          719   # Enable libunwind support by default.
745   ifndef NO_LIBDW_DWARF_UNWIND                    720   ifndef NO_LIBDW_DWARF_UNWIND
746     NO_LIBDW_DWARF_UNWIND := 1                    721     NO_LIBDW_DWARF_UNWIND := 1
747   endif                                           722   endif
748 endif                                             723 endif
749                                                   724 
750 ifeq ($(dwarf-post-unwind),1)                     725 ifeq ($(dwarf-post-unwind),1)
751   CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT           726   CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
752   $(call detected,CONFIG_DWARF_UNWIND)            727   $(call detected,CONFIG_DWARF_UNWIND)
753 else                                              728 else
754   NO_DWARF_UNWIND := 1                            729   NO_DWARF_UNWIND := 1
755 endif                                             730 endif
756                                                   731 
757 ifndef NO_LOCAL_LIBUNWIND                         732 ifndef NO_LOCAL_LIBUNWIND
758   ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm    733   ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
759     $(call feature_check,libunwind-debug-frame    734     $(call feature_check,libunwind-debug-frame)
760     ifneq ($(feature-libunwind-debug-frame), 1    735     ifneq ($(feature-libunwind-debug-frame), 1)
761       $(warning No debug_frame support found i !! 736       msg := $(warning No debug_frame support found in libunwind);
762       CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME        737       CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
763     endif                                         738     endif
764   else                                            739   else
765     # non-ARM has no dwarf_find_debug_frame()     740     # non-ARM has no dwarf_find_debug_frame() function:
766     CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME          741     CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
767   endif                                           742   endif
768   EXTLIBS += $(LIBUNWIND_LIBS)                    743   EXTLIBS += $(LIBUNWIND_LIBS)
769   LDFLAGS += $(LIBUNWIND_LIBS)                    744   LDFLAGS += $(LIBUNWIND_LIBS)
770 endif                                             745 endif
771 ifeq ($(findstring -static,${LDFLAGS}),-static    746 ifeq ($(findstring -static,${LDFLAGS}),-static)
772   # gcc -static links libgcc_eh which contans     747   # gcc -static links libgcc_eh which contans piece of libunwind
773   LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-de    748   LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
774 endif                                             749 endif
775                                                   750 
776 ifndef NO_LIBUNWIND                               751 ifndef NO_LIBUNWIND
777   CFLAGS  += -DHAVE_LIBUNWIND_SUPPORT             752   CFLAGS  += -DHAVE_LIBUNWIND_SUPPORT
778   CFLAGS  += $(LIBUNWIND_CFLAGS)                  753   CFLAGS  += $(LIBUNWIND_CFLAGS)
779   LDFLAGS += $(LIBUNWIND_LDFLAGS)                 754   LDFLAGS += $(LIBUNWIND_LDFLAGS)
780   EXTLIBS += $(EXTLIBS_LIBUNWIND)                 755   EXTLIBS += $(EXTLIBS_LIBUNWIND)
781 endif                                             756 endif
782                                                   757 
783 ifneq ($(NO_LIBTRACEEVENT),1)                  !! 758 ifeq ($(NO_SYSCALL_TABLE),0)
784   ifeq ($(NO_SYSCALL_TABLE),0)                 !! 759   $(call detected,CONFIG_TRACE)
785     $(call detected,CONFIG_TRACE)              !! 760 else
786   else                                         !! 761   ifndef NO_LIBAUDIT
787     ifndef NO_LIBAUDIT                         !! 762     $(call feature_check,libaudit)
788       $(call feature_check,libaudit)           !! 763     ifneq ($(feature-libaudit), 1)
789       ifneq ($(feature-libaudit), 1)           !! 764       msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
790         $(warning No libaudit.h found, disable !! 765       NO_LIBAUDIT := 1
791         NO_LIBAUDIT := 1                       !! 766     else
792       else                                     !! 767       CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
793         CFLAGS += -DHAVE_LIBAUDIT_SUPPORT      !! 768       EXTLIBS += -laudit
794         EXTLIBS += -laudit                     !! 769       $(call detected,CONFIG_TRACE)
795         $(call detected,CONFIG_TRACE)          << 
796       endif                                    << 
797     endif                                         770     endif
798   endif                                           771   endif
799 endif                                             772 endif
800                                                   773 
801 ifndef NO_LIBCRYPTO                               774 ifndef NO_LIBCRYPTO
802   ifneq ($(feature-libcrypto), 1)                 775   ifneq ($(feature-libcrypto), 1)
803     $(warning No libcrypto.h found, disables j !! 776     msg := $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev);
804     NO_LIBCRYPTO := 1                             777     NO_LIBCRYPTO := 1
805   else                                            778   else
806     CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT            779     CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
807     EXTLIBS += -lcrypto                           780     EXTLIBS += -lcrypto
808     $(call detected,CONFIG_CRYPTO)                781     $(call detected,CONFIG_CRYPTO)
809   endif                                           782   endif
810 endif                                             783 endif
811                                                   784 
                                                   >> 785 ifdef NO_NEWT
                                                   >> 786   NO_SLANG=1
                                                   >> 787 endif
                                                   >> 788 
812 ifndef NO_SLANG                                   789 ifndef NO_SLANG
813   ifneq ($(feature-libslang), 1)                  790   ifneq ($(feature-libslang), 1)
814     ifneq ($(feature-libslang-include-subdir),    791     ifneq ($(feature-libslang-include-subdir), 1)
815       $(warning slang not found, disables TUI  !! 792       msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
816       NO_SLANG := 1                               793       NO_SLANG := 1
817     else                                          794     else
818       CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR       795       CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR
819     endif                                         796     endif
820   endif                                           797   endif
821   ifndef NO_SLANG                                 798   ifndef NO_SLANG
822     # Fedora has /usr/include/slang/slang.h, b    799     # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
823     CFLAGS += -DHAVE_SLANG_SUPPORT                800     CFLAGS += -DHAVE_SLANG_SUPPORT
824     EXTLIBS += -lslang                            801     EXTLIBS += -lslang
825     $(call detected,CONFIG_SLANG)                 802     $(call detected,CONFIG_SLANG)
826   endif                                           803   endif
827 endif                                             804 endif
828                                                   805 
829 ifdef GTK2                                        806 ifdef GTK2
830   FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $    807   FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
831   $(call feature_check,gtk2)                      808   $(call feature_check,gtk2)
832   ifneq ($(feature-gtk2), 1)                      809   ifneq ($(feature-gtk2), 1)
833     $(warning GTK2 not found, disables GTK2 su !! 810     msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
834     NO_GTK2 := 1                                  811     NO_GTK2 := 1
835   else                                            812   else
836     $(call feature_check,gtk2-infobar)            813     $(call feature_check,gtk2-infobar)
837     ifeq ($(feature-gtk2-infobar), 1)             814     ifeq ($(feature-gtk2-infobar), 1)
838       GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPOR    815       GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
839     endif                                         816     endif
840     CFLAGS += -DHAVE_GTK2_SUPPORT                 817     CFLAGS += -DHAVE_GTK2_SUPPORT
841     GTK_CFLAGS += $(shell $(PKG_CONFIG) --cfla    818     GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
842     GTK_LIBS := $(shell $(PKG_CONFIG) --libs g    819     GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
843     EXTLIBS += -ldl                               820     EXTLIBS += -ldl
844   endif                                           821   endif
845 endif                                             822 endif
846                                                   823 
847 ifdef NO_LIBPERL                                  824 ifdef NO_LIBPERL
848   CFLAGS += -DNO_LIBPERL                          825   CFLAGS += -DNO_LIBPERL
849 else                                              826 else
850   PERL_EMBED_LDOPTS = $(shell perl -MExtUtils:    827   PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
851   PERL_EMBED_LDFLAGS = $(call strip-libs,$(PER    828   PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
852   PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_    829   PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
853   PERL_EMBED_CCOPTS = $(shell perl -MExtUtils:    830   PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
854   PERL_EMBED_CCOPTS := $(filter-out -specs=%,$    831   PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
855   PERL_EMBED_CCOPTS := $(filter-out -flto=auto    832   PERL_EMBED_CCOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(PERL_EMBED_CCOPTS))
856   PERL_EMBED_LDOPTS := $(filter-out -specs=%,$    833   PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
857   FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL    834   FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
858                                                   835 
859   ifneq ($(feature-libperl), 1)                   836   ifneq ($(feature-libperl), 1)
860     CFLAGS += -DNO_LIBPERL                        837     CFLAGS += -DNO_LIBPERL
861     NO_LIBPERL := 1                               838     NO_LIBPERL := 1
862     $(warning Missing perl devel files. Disabl !! 839     msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
863   else                                            840   else
864     LDFLAGS += $(PERL_EMBED_LDFLAGS)              841     LDFLAGS += $(PERL_EMBED_LDFLAGS)
865     EXTLIBS += $(PERL_EMBED_LIBADD)               842     EXTLIBS += $(PERL_EMBED_LIBADD)
866     CFLAGS += -DHAVE_LIBPERL_SUPPORT              843     CFLAGS += -DHAVE_LIBPERL_SUPPORT
867     ifeq ($(CC_NO_CLANG), 0)                      844     ifeq ($(CC_NO_CLANG), 0)
868       CFLAGS += -Wno-compound-token-split-by-m    845       CFLAGS += -Wno-compound-token-split-by-macro
869     endif                                         846     endif
870     $(call detected,CONFIG_LIBPERL)               847     $(call detected,CONFIG_LIBPERL)
871   endif                                           848   endif
872 endif                                             849 endif
873                                                   850 
874 ifeq ($(feature-timerfd), 1)                      851 ifeq ($(feature-timerfd), 1)
875   CFLAGS += -DHAVE_TIMERFD_SUPPORT                852   CFLAGS += -DHAVE_TIMERFD_SUPPORT
876 else                                              853 else
877   $(warning No timerfd support. Disables 'perf !! 854   msg := $(warning No timerfd support. Disables 'perf kvm stat live');
878 endif                                             855 endif
879                                                   856 
880 disable-python = $(eval $(disable-python_code)    857 disable-python = $(eval $(disable-python_code))
881 define disable-python_code                        858 define disable-python_code
882   CFLAGS += -DNO_LIBPYTHON                        859   CFLAGS += -DNO_LIBPYTHON
883   $(warning $1)                                   860   $(warning $1)
884   NO_LIBPYTHON := 1                               861   NO_LIBPYTHON := 1
885 endef                                             862 endef
886                                                   863 
887 PYTHON_EXTENSION_SUFFIX := '.so'               << 
888 ifdef NO_LIBPYTHON                                864 ifdef NO_LIBPYTHON
889   $(call disable-python,Python support disable    865   $(call disable-python,Python support disabled by user)
890 else                                              866 else
891                                                   867 
892   ifndef PYTHON                                   868   ifndef PYTHON
893     $(call disable-python,No python interprete    869     $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
894   else                                            870   else
895     PYTHON_WORD := $(call shell-wordify,$(PYTH    871     PYTHON_WORD := $(call shell-wordify,$(PYTHON))
896                                                   872 
897     ifndef PYTHON_CONFIG                          873     ifndef PYTHON_CONFIG
898       $(call disable-python,No 'python-config'    874       $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
899     else                                          875     else
900                                                   876 
901       ifneq ($(feature-libpython), 1)             877       ifneq ($(feature-libpython), 1)
902         $(call disable-python,No 'Python.h' wa !! 878         $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
903       else                                        879       else
904          LDFLAGS += $(PYTHON_EMBED_LDFLAGS)       880          LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
905          EXTLIBS += $(PYTHON_EMBED_LIBADD)        881          EXTLIBS += $(PYTHON_EMBED_LIBADD)
906          PYTHON_SETUPTOOLS_INSTALLED := $(shel !! 882          LANG_BINDINGS += $(obj-perf)python/perf.so
907          ifeq ($(PYTHON_SETUPTOOLS_INSTALLED), << 
908            PYTHON_EXTENSION_SUFFIX := $(shell  << 
909            ifdef CROSS_COMPILE                 << 
910              PYTHON_EXTENSION_SUFFIX := $(subs << 
911            endif                               << 
912            LANG_BINDINGS += $(obj-perf)python/ << 
913          else                                  << 
914            $(warning Missing python setuptools << 
915          endif                                 << 
916          CFLAGS += -DHAVE_LIBPYTHON_SUPPORT       883          CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
917          $(call detected,CONFIG_LIBPYTHON)        884          $(call detected,CONFIG_LIBPYTHON)
918          ifeq ($(filter -fPIC,$(CFLAGS)),)     << 
919            # Building a shared library require << 
920            CFLAGS += -fPIC                     << 
921            CXXFLAGS += -fPIC                   << 
922          endif                                 << 
923       endif                                       885       endif
924     endif                                         886     endif
925   endif                                           887   endif
926 endif                                             888 endif
927                                                   889 
928 ifneq ($(NO_JEVENTS),1)                           890 ifneq ($(NO_JEVENTS),1)
929   ifeq ($(wildcard pmu-events/arch/$(SRCARCH)/    891   ifeq ($(wildcard pmu-events/arch/$(SRCARCH)/mapfile.csv),)
930     NO_JEVENTS := 1                               892     NO_JEVENTS := 1
931   endif                                           893   endif
932 endif                                             894 endif
933 ifneq ($(NO_JEVENTS),1)                           895 ifneq ($(NO_JEVENTS),1)
934   NO_JEVENTS := 0                                 896   NO_JEVENTS := 0
935   ifndef PYTHON                                   897   ifndef PYTHON
936     $(error ERROR: No python interpreter neede !! 898     $(warning No python interpreter disabling jevent generation)
                                                   >> 899     NO_JEVENTS := 1
937   else                                            900   else
938     # jevents.py uses f-strings present in Pyt    901     # jevents.py uses f-strings present in Python 3.6 released in Dec. 2016.
939     JEVENTS_PYTHON_GOOD := $(shell $(PYTHON) -    902     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)             903     ifneq ($(JEVENTS_PYTHON_GOOD), 1)
941       $(error ERROR: Python interpreter needed !! 904       $(warning Python interpreter too old (older than 3.6) disabling jevent generation)
                                                   >> 905       NO_JEVENTS := 1
942     endif                                         906     endif
943   endif                                           907   endif
944 endif                                             908 endif
945                                                   909 
946 ifdef BUILD_NONDISTRO                          !! 910 ifndef NO_LIBBFD
947   ifeq ($(feature-libbfd), 1)                     911   ifeq ($(feature-libbfd), 1)
948     EXTLIBS += -lbfd -lopcodes                    912     EXTLIBS += -lbfd -lopcodes
949   else                                            913   else
950     # we are on a system that requires -libert    914     # we are on a system that requires -liberty and (maybe) -lz
951     # to link against -lbfd; test each case in    915     # to link against -lbfd; test each case individually here
952                                                   916 
953     # call all detections now so we get correc    917     # call all detections now so we get correct
954     # status in VF output                         918     # status in VF output
955     $(call feature_check,libbfd-liberty)          919     $(call feature_check,libbfd-liberty)
956     $(call feature_check,libbfd-liberty-z)        920     $(call feature_check,libbfd-liberty-z)
957                                                   921 
958     ifeq ($(feature-libbfd-liberty), 1)           922     ifeq ($(feature-libbfd-liberty), 1)
959       EXTLIBS += -lbfd -lopcodes -liberty         923       EXTLIBS += -lbfd -lopcodes -liberty
960       FEATURE_CHECK_LDFLAGS-disassembler-four- << 
961       FEATURE_CHECK_LDFLAGS-disassembler-init- << 
962     else                                          924     else
963       ifeq ($(feature-libbfd-liberty-z), 1)       925       ifeq ($(feature-libbfd-liberty-z), 1)
964         EXTLIBS += -lbfd -lopcodes -liberty -l    926         EXTLIBS += -lbfd -lopcodes -liberty -lz
965         FEATURE_CHECK_LDFLAGS-disassembler-fou << 
966         FEATURE_CHECK_LDFLAGS-disassembler-ini << 
967       endif                                       927       endif
968     endif                                         928     endif
969     $(call feature_check,disassembler-four-arg    929     $(call feature_check,disassembler-four-args)
970     $(call feature_check,disassembler-init-sty    930     $(call feature_check,disassembler-init-styled)
971   endif                                           931   endif
972                                                   932 
973   CFLAGS += -DHAVE_LIBBFD_SUPPORT              << 
974   CXXFLAGS += -DHAVE_LIBBFD_SUPPORT            << 
975   ifeq ($(feature-libbfd-buildid), 1)             933   ifeq ($(feature-libbfd-buildid), 1)
976     CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT       934     CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT
977   else                                            935   else
978     $(warning Old version of libbfd/binutils t !! 936     msg := $(warning Old version of libbfd/binutils things like PE executable profiling will not be available);
979   endif                                           937   endif
980 endif                                             938 endif
981                                                   939 
982 ifndef NO_LIBLLVM                              !! 940 ifdef NO_DEMANGLE
983   $(call feature_check,llvm-perf)              !! 941   CFLAGS += -DNO_DEMANGLE
984   ifeq ($(feature-llvm-perf), 1)               !! 942 else
985     CFLAGS += -DHAVE_LIBLLVM_SUPPORT           !! 943   ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
986     CFLAGS += $(shell $(LLVM_CONFIG) --cflags) !! 944     EXTLIBS += -liberty
987     CXXFLAGS += -DHAVE_LIBLLVM_SUPPORT         << 
988     CXXFLAGS += $(shell $(LLVM_CONFIG) --cxxfl << 
989     LIBLLVM = $(shell $(LLVM_CONFIG) --libs al << 
990     EXTLIBS += -L$(shell $(LLVM_CONFIG) --libd << 
991     EXTLIBS += -lstdc++                        << 
992     $(call detected,CONFIG_LIBLLVM)            << 
993   else                                            945   else
994     $(warning No libllvm 13+ found, slower sou << 
995     NO_LIBLLVM := 1                            << 
996   endif                                        << 
997 endif                                          << 
998                                                << 
999 ifndef NO_DEMANGLE                             << 
1000   $(call feature_check,cxa-demangle)          << 
1001   ifeq ($(feature-cxa-demangle), 1)           << 
1002     EXTLIBS += -lstdc++                       << 
1003     CFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT     << 
1004     CXXFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT   << 
1005     $(call detected,CONFIG_CXX_DEMANGLE)      << 
1006   endif                                       << 
1007   ifdef BUILD_NONDISTRO                       << 
1008     ifeq ($(filter -liberty,$(EXTLIBS)),)        946     ifeq ($(filter -liberty,$(EXTLIBS)),)
1009       $(call feature_check,cplus-demangle)       947       $(call feature_check,cplus-demangle)
                                                   >> 948 
                                                   >> 949       # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
                                                   >> 950       # or any of 'bfd iberty z' trinity
1010       ifeq ($(feature-cplus-demangle), 1)        951       ifeq ($(feature-cplus-demangle), 1)
1011         EXTLIBS += -liberty                      952         EXTLIBS += -liberty
                                                   >> 953       else
                                                   >> 954         msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
                                                   >> 955         CFLAGS += -DNO_DEMANGLE
1012       endif                                      956       endif
1013     endif                                        957     endif
1014     ifneq ($(filter -liberty,$(EXTLIBS)),)    !! 958   endif
1015       CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT !! 959 
1016       CXXFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPO !! 960   ifneq ($(filter -liberty,$(EXTLIBS)),)
1017     endif                                     !! 961     CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
                                                   >> 962   endif
                                                   >> 963 endif
                                                   >> 964 
                                                   >> 965 ifneq ($(filter -lbfd,$(EXTLIBS)),)
                                                   >> 966   CFLAGS += -DHAVE_LIBBFD_SUPPORT
                                                   >> 967 endif
                                                   >> 968 
                                                   >> 969 ifndef NO_ZLIB
                                                   >> 970   ifeq ($(feature-zlib), 1)
                                                   >> 971     CFLAGS += -DHAVE_ZLIB_SUPPORT
                                                   >> 972     EXTLIBS += -lz
                                                   >> 973     $(call detected,CONFIG_ZLIB)
                                                   >> 974   else
                                                   >> 975     NO_ZLIB := 1
1018   endif                                          976   endif
1019 endif                                            977 endif
1020                                                  978 
1021 ifndef NO_LZMA                                   979 ifndef NO_LZMA
1022   ifeq ($(feature-lzma), 1)                      980   ifeq ($(feature-lzma), 1)
1023     CFLAGS += -DHAVE_LZMA_SUPPORT                981     CFLAGS += -DHAVE_LZMA_SUPPORT
1024     EXTLIBS += -llzma                            982     EXTLIBS += -llzma
1025     $(call detected,CONFIG_LZMA)                 983     $(call detected,CONFIG_LZMA)
1026   else                                           984   else
1027     $(warning No liblzma found, disables xz k !! 985     msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
1028     NO_LZMA := 1                                 986     NO_LZMA := 1
1029   endif                                          987   endif
1030 endif                                            988 endif
1031                                                  989 
1032 ifndef NO_LIBZSTD                                990 ifndef NO_LIBZSTD
1033   ifeq ($(feature-libzstd), 1)                   991   ifeq ($(feature-libzstd), 1)
1034     CFLAGS += -DHAVE_ZSTD_SUPPORT                992     CFLAGS += -DHAVE_ZSTD_SUPPORT
1035     CFLAGS += $(LIBZSTD_CFLAGS)                  993     CFLAGS += $(LIBZSTD_CFLAGS)
1036     LDFLAGS += $(LIBZSTD_LDFLAGS)                994     LDFLAGS += $(LIBZSTD_LDFLAGS)
1037     EXTLIBS += -lzstd                            995     EXTLIBS += -lzstd
1038     $(call detected,CONFIG_ZSTD)                 996     $(call detected,CONFIG_ZSTD)
1039   else                                           997   else
1040     $(warning No libzstd found, disables trac !! 998     msg := $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR);
1041     NO_LIBZSTD := 1                              999     NO_LIBZSTD := 1
1042   endif                                          1000   endif
1043 endif                                            1001 endif
1044                                                  1002 
                                                   >> 1003 ifndef NO_LIBCAP
                                                   >> 1004   ifeq ($(feature-libcap), 1)
                                                   >> 1005     CFLAGS += -DHAVE_LIBCAP_SUPPORT
                                                   >> 1006     EXTLIBS += -lcap
                                                   >> 1007     $(call detected,CONFIG_LIBCAP)
                                                   >> 1008   else
                                                   >> 1009     msg := $(warning No libcap found, disables capability support, please install libcap-devel/libcap-dev);
                                                   >> 1010     NO_LIBCAP := 1
                                                   >> 1011   endif
                                                   >> 1012 endif
                                                   >> 1013 
1045 ifndef NO_BACKTRACE                              1014 ifndef NO_BACKTRACE
1046   ifeq ($(feature-backtrace), 1)                 1015   ifeq ($(feature-backtrace), 1)
1047     CFLAGS += -DHAVE_BACKTRACE_SUPPORT           1016     CFLAGS += -DHAVE_BACKTRACE_SUPPORT
1048   endif                                          1017   endif
1049 endif                                            1018 endif
1050                                                  1019 
1051 ifndef NO_LIBNUMA                                1020 ifndef NO_LIBNUMA
1052   ifeq ($(feature-libnuma), 0)                   1021   ifeq ($(feature-libnuma), 0)
1053     $(warning No numa.h found, disables 'perf !! 1022     msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
1054     NO_LIBNUMA := 1                              1023     NO_LIBNUMA := 1
1055   else                                           1024   else
1056     ifeq ($(feature-numa_num_possible_cpus),     1025     ifeq ($(feature-numa_num_possible_cpus), 0)
1057       $(warning Old numa library found, disab !! 1026       msg := $(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                            1027       NO_LIBNUMA := 1
1059     else                                         1028     else
1060       CFLAGS += -DHAVE_LIBNUMA_SUPPORT           1029       CFLAGS += -DHAVE_LIBNUMA_SUPPORT
1061       EXTLIBS += -lnuma                          1030       EXTLIBS += -lnuma
1062       $(call detected,CONFIG_NUMA)               1031       $(call detected,CONFIG_NUMA)
1063     endif                                        1032     endif
1064   endif                                          1033   endif
1065 endif                                            1034 endif
1066                                                  1035 
1067 ifdef HAVE_KVM_STAT_SUPPORT                      1036 ifdef HAVE_KVM_STAT_SUPPORT
1068     CFLAGS += -DHAVE_KVM_STAT_SUPPORT            1037     CFLAGS += -DHAVE_KVM_STAT_SUPPORT
1069 endif                                            1038 endif
1070                                                  1039 
1071 ifeq ($(feature-disassembler-four-args), 1)      1040 ifeq ($(feature-disassembler-four-args), 1)
1072     CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE       1041     CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
1073 endif                                            1042 endif
1074                                                  1043 
1075 ifeq ($(feature-disassembler-init-styled), 1)    1044 ifeq ($(feature-disassembler-init-styled), 1)
1076     CFLAGS += -DDISASM_INIT_STYLED               1045     CFLAGS += -DDISASM_INIT_STYLED
1077 endif                                            1046 endif
1078                                                  1047 
1079 ifeq (${IS_64_BIT}, 1)                           1048 ifeq (${IS_64_BIT}, 1)
1080   ifndef NO_PERF_READ_VDSO32                     1049   ifndef NO_PERF_READ_VDSO32
1081     $(call feature_check,compile-32)             1050     $(call feature_check,compile-32)
1082     ifeq ($(feature-compile-32), 1)              1051     ifeq ($(feature-compile-32), 1)
1083       CFLAGS += -DHAVE_PERF_READ_VDSO32          1052       CFLAGS += -DHAVE_PERF_READ_VDSO32
1084     else                                         1053     else
1085       NO_PERF_READ_VDSO32 := 1                   1054       NO_PERF_READ_VDSO32 := 1
1086     endif                                        1055     endif
1087   endif                                          1056   endif
1088   ifneq ($(SRCARCH), x86)                        1057   ifneq ($(SRCARCH), x86)
1089     NO_PERF_READ_VDSOX32 := 1                    1058     NO_PERF_READ_VDSOX32 := 1
1090   endif                                          1059   endif
1091   ifndef NO_PERF_READ_VDSOX32                    1060   ifndef NO_PERF_READ_VDSOX32
1092     $(call feature_check,compile-x32)            1061     $(call feature_check,compile-x32)
1093     ifeq ($(feature-compile-x32), 1)             1062     ifeq ($(feature-compile-x32), 1)
1094       CFLAGS += -DHAVE_PERF_READ_VDSOX32         1063       CFLAGS += -DHAVE_PERF_READ_VDSOX32
1095     else                                         1064     else
1096       NO_PERF_READ_VDSOX32 := 1                  1065       NO_PERF_READ_VDSOX32 := 1
1097     endif                                        1066     endif
1098   endif                                          1067   endif
1099 else                                             1068 else
1100   NO_PERF_READ_VDSO32 := 1                       1069   NO_PERF_READ_VDSO32 := 1
1101   NO_PERF_READ_VDSOX32 := 1                      1070   NO_PERF_READ_VDSOX32 := 1
1102 endif                                            1071 endif
1103                                                  1072 
1104 ifndef NO_LIBBABELTRACE                          1073 ifndef NO_LIBBABELTRACE
1105   $(call feature_check,libbabeltrace)            1074   $(call feature_check,libbabeltrace)
1106   ifeq ($(feature-libbabeltrace), 1)             1075   ifeq ($(feature-libbabeltrace), 1)
1107     CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(    1076     CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
1108     LDFLAGS += $(LIBBABELTRACE_LDFLAGS)          1077     LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
1109     EXTLIBS += -lbabeltrace-ctf                  1078     EXTLIBS += -lbabeltrace-ctf
1110     $(call detected,CONFIG_LIBBABELTRACE)        1079     $(call detected,CONFIG_LIBBABELTRACE)
1111   else                                           1080   else
1112     $(warning No libbabeltrace found, disable !! 1081     msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
1113   endif                                       << 
1114 endif                                         << 
1115                                               << 
1116 ifndef NO_CAPSTONE                            << 
1117   $(call feature_check,libcapstone)           << 
1118   ifeq ($(feature-libcapstone), 1)            << 
1119     CFLAGS += -DHAVE_LIBCAPSTONE_SUPPORT $(LI << 
1120     LDFLAGS += $(LICAPSTONE_LDFLAGS)          << 
1121     EXTLIBS += -lcapstone                     << 
1122     $(call detected,CONFIG_LIBCAPSTONE)       << 
1123   else                                        << 
1124     msg := $(warning No libcapstone found, di << 
1125   endif                                          1082   endif
1126 endif                                            1083 endif
1127                                                  1084 
1128 ifndef NO_AUXTRACE                               1085 ifndef NO_AUXTRACE
1129   ifeq ($(SRCARCH),x86)                          1086   ifeq ($(SRCARCH),x86)
1130     ifeq ($(feature-get_cpuid), 0)               1087     ifeq ($(feature-get_cpuid), 0)
1131       $(warning Your gcc lacks the __get_cpui !! 1088       msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
1132       NO_AUXTRACE := 1                           1089       NO_AUXTRACE := 1
1133     endif                                        1090     endif
1134   endif                                          1091   endif
1135   ifndef NO_AUXTRACE                             1092   ifndef NO_AUXTRACE
1136     $(call detected,CONFIG_AUXTRACE)             1093     $(call detected,CONFIG_AUXTRACE)
1137     CFLAGS += -DHAVE_AUXTRACE_SUPPORT            1094     CFLAGS += -DHAVE_AUXTRACE_SUPPORT
1138     ifeq ($(feature-reallocarray), 0)            1095     ifeq ($(feature-reallocarray), 0)
1139       CFLAGS += -DCOMPAT_NEED_REALLOCARRAY       1096       CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
1140     endif                                        1097     endif
1141   endif                                          1098   endif
1142 endif                                            1099 endif
1143                                                  1100 
1144 ifdef EXTRA_TESTS                             << 
1145     $(call detected,CONFIG_EXTRA_TESTS)       << 
1146     CFLAGS += -DHAVE_EXTRA_TESTS              << 
1147 endif                                         << 
1148                                               << 
1149 ifndef NO_JVMTI                                  1101 ifndef NO_JVMTI
1150   ifneq (,$(wildcard /usr/sbin/update-java-al    1102   ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
1151     JDIR=$(shell /usr/sbin/update-java-altern    1103     JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
1152   else                                           1104   else
1153     ifneq (,$(wildcard /usr/sbin/alternatives    1105     ifneq (,$(wildcard /usr/sbin/alternatives))
1154       JDIR=$(shell /usr/sbin/alternatives --d    1106       JDIR=$(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                                        1107     endif
1156   endif                                          1108   endif
1157   ifndef JDIR                                    1109   ifndef JDIR
1158     $(warning No alternatives command found,     1110     $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
1159     NO_JVMTI := 1                                1111     NO_JVMTI := 1
1160   endif                                          1112   endif
1161 endif                                            1113 endif
1162                                                  1114 
1163 ifndef NO_JVMTI                                  1115 ifndef NO_JVMTI
1164   FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/inc    1116   FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
1165   $(call feature_check,jvmti)                    1117   $(call feature_check,jvmti)
1166   ifeq ($(feature-jvmti), 1)                     1118   ifeq ($(feature-jvmti), 1)
1167     $(call detected_var,JDIR)                    1119     $(call detected_var,JDIR)
1168     ifndef NO_JVMTI_CMLR                         1120     ifndef NO_JVMTI_CMLR
1169       FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FE    1121       FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti)
1170       $(call feature_check,jvmti-cmlr)           1122       $(call feature_check,jvmti-cmlr)
1171       ifeq ($(feature-jvmti-cmlr), 1)            1123       ifeq ($(feature-jvmti-cmlr), 1)
1172         CFLAGS += -DHAVE_JVMTI_CMLR              1124         CFLAGS += -DHAVE_JVMTI_CMLR
1173       endif                                      1125       endif
1174     endif # NO_JVMTI_CMLR                        1126     endif # NO_JVMTI_CMLR
1175   else                                           1127   else
1176     $(warning No openjdk development package     1128     $(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                                1129     NO_JVMTI := 1
1178   endif                                          1130   endif
1179 endif                                            1131 endif
1180                                                  1132 
1181 ifndef NO_LIBPFM4                             !! 1133 USE_CXX = 0
                                                   >> 1134 USE_CLANGLLVM = 0
                                                   >> 1135 ifdef LIBCLANGLLVM
                                                   >> 1136   $(call feature_check,cxx)
                                                   >> 1137   ifneq ($(feature-cxx), 1)
                                                   >> 1138     msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
                                                   >> 1139   else
                                                   >> 1140     $(call feature_check,llvm)
                                                   >> 1141     $(call feature_check,llvm-version)
                                                   >> 1142     ifneq ($(feature-llvm), 1)
                                                   >> 1143       msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
                                                   >> 1144     else
                                                   >> 1145       $(call feature_check,clang)
                                                   >> 1146       ifneq ($(feature-clang), 1)
                                                   >> 1147         msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
                                                   >> 1148       else
                                                   >> 1149         CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
                                                   >> 1150         CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
                                                   >> 1151         $(call detected,CONFIG_CXX)
                                                   >> 1152         $(call detected,CONFIG_CLANGLLVM)
                                                   >> 1153         USE_CXX = 1
                                                   >> 1154         USE_LLVM = 1
                                                   >> 1155         USE_CLANG = 1
                                                   >> 1156         ifneq ($(feature-llvm-version),1)
                                                   >> 1157           msg := $(warning This version of LLVM is not tested. May cause build errors)
                                                   >> 1158         endif
                                                   >> 1159       endif
                                                   >> 1160     endif
                                                   >> 1161   endif
                                                   >> 1162 endif
                                                   >> 1163 
                                                   >> 1164 ifdef LIBPFM4
1182   $(call feature_check,libpfm4)                  1165   $(call feature_check,libpfm4)
1183   ifeq ($(feature-libpfm4), 1)                   1166   ifeq ($(feature-libpfm4), 1)
1184     CFLAGS += -DHAVE_LIBPFM                      1167     CFLAGS += -DHAVE_LIBPFM
1185     EXTLIBS += -lpfm                             1168     EXTLIBS += -lpfm
1186     ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1             1169     ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1
1187     $(call detected,CONFIG_LIBPFM4)              1170     $(call detected,CONFIG_LIBPFM4)
1188   else                                           1171   else
1189     $(warning libpfm4 not found, disables lib !! 1172     msg := $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev);
                                                   >> 1173     NO_LIBPFM4 := 1
1190   endif                                          1174   endif
1191 endif                                            1175 endif
1192                                                  1176 
1193 # libtraceevent is a recommended dependency p !! 1177 ifdef LIBTRACEEVENT_DYNAMIC
1194 ifneq ($(NO_LIBTRACEEVENT),1)                 << 
1195   $(call feature_check,libtraceevent)            1178   $(call feature_check,libtraceevent)
1196   ifeq ($(feature-libtraceevent), 1)             1179   ifeq ($(feature-libtraceevent), 1)
1197     CFLAGS += -DHAVE_LIBTRACEEVENT            !! 1180     EXTLIBS += -ltraceevent
1198     LDFLAGS += $(shell $(PKG_CONFIG) --libs-o !! 1181     LIBTRACEEVENT_VERSION := $(shell $(PKG_CONFIG) --modversion libtraceevent)
1199     EXTLIBS += $(shell $(PKG_CONFIG) --libs-o << 
1200     LIBTRACEEVENT_VERSION := $(shell $(PKG_CO << 
1201     LIBTRACEEVENT_VERSION_1 := $(word 1, $(su    1182     LIBTRACEEVENT_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEEVENT_VERSION)))
1202     LIBTRACEEVENT_VERSION_2 := $(word 2, $(su    1183     LIBTRACEEVENT_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEEVENT_VERSION)))
1203     LIBTRACEEVENT_VERSION_3 := $(word 3, $(su    1184     LIBTRACEEVENT_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEEVENT_VERSION)))
1204     LIBTRACEEVENT_VERSION_CPP := $(shell expr    1185     LIBTRACEEVENT_VERSION_CPP := $(shell expr $(LIBTRACEEVENT_VERSION_1) \* 255 \* 255 + $(LIBTRACEEVENT_VERSION_2) \* 255 + $(LIBTRACEEVENT_VERSION_3))
1205     CFLAGS += -DLIBTRACEEVENT_VERSION=$(LIBTR    1186     CFLAGS += -DLIBTRACEEVENT_VERSION=$(LIBTRACEEVENT_VERSION_CPP)
1206     $(call detected,CONFIG_LIBTRACEEVENT)     << 
1207   else                                           1187   else
1208     $(error ERROR: libtraceevent is missing.  !! 1188     dummy := $(error Error: No libtraceevent devel library found, please install libtraceevent-devel);
1209   endif                                          1189   endif
                                                   >> 1190 endif
1210                                                  1191 
                                                   >> 1192 ifdef LIBTRACEFS_DYNAMIC
1211   $(call feature_check,libtracefs)               1193   $(call feature_check,libtracefs)
1212   ifeq ($(feature-libtracefs), 1)                1194   ifeq ($(feature-libtracefs), 1)
1213     CFLAGS +=  $(shell $(PKG_CONFIG) --cflags !! 1195     EXTLIBS += -ltracefs
1214     LDFLAGS += $(shell $(PKG_CONFIG) --libs-o !! 1196     LIBTRACEFS_VERSION := $(shell $(PKG_CONFIG) --modversion libtracefs)
1215     EXTLIBS += $(shell $(PKG_CONFIG) --libs-o << 
1216     LIBTRACEFS_VERSION := $(shell $(PKG_CONFI << 
1217     LIBTRACEFS_VERSION_1 := $(word 1, $(subst    1197     LIBTRACEFS_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEFS_VERSION)))
1218     LIBTRACEFS_VERSION_2 := $(word 2, $(subst    1198     LIBTRACEFS_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEFS_VERSION)))
1219     LIBTRACEFS_VERSION_3 := $(word 3, $(subst    1199     LIBTRACEFS_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEFS_VERSION)))
1220     LIBTRACEFS_VERSION_CPP := $(shell expr $(    1200     LIBTRACEFS_VERSION_CPP := $(shell expr $(LIBTRACEFS_VERSION_1) \* 255 \* 255 + $(LIBTRACEFS_VERSION_2) \* 255 + $(LIBTRACEFS_VERSION_3))
1221     CFLAGS += -DLIBTRACEFS_VERSION=$(LIBTRACE    1201     CFLAGS += -DLIBTRACEFS_VERSION=$(LIBTRACEFS_VERSION_CPP)
1222   else                                           1202   else
1223     $(warning libtracefs is missing. Please i !! 1203     dummy := $(error Error: No libtracefs devel library found, please install libtracefs-dev);
1224   endif                                          1204   endif
1225 endif                                            1205 endif
1226                                                  1206 
1227 # Among the variables below, these:              1207 # Among the variables below, these:
1228 #   perfexecdir                                  1208 #   perfexecdir
1229 #   libbpf_include_dir                        !! 1209 #   perf_include_dir
1230 #   perf_examples_dir                            1210 #   perf_examples_dir
1231 #   template_dir                                 1211 #   template_dir
1232 #   mandir                                       1212 #   mandir
1233 #   infodir                                      1213 #   infodir
1234 #   htmldir                                      1214 #   htmldir
1235 #   ETC_PERFCONFIG (but not sysconfdir)          1215 #   ETC_PERFCONFIG (but not sysconfdir)
1236 # can be specified as a relative path some/wh    1216 # can be specified as a relative path some/where/else;
1237 # this is interpreted as relative to $(prefix    1217 # this is interpreted as relative to $(prefix) and "perf" at
1238 # runtime figures out where they are based on    1218 # runtime figures out where they are based on the path to the executable.
1239 # This can help installing the suite in a rel    1219 # This can help installing the suite in a relocatable way.
1240                                                  1220 
1241 # Make the path relative to DESTDIR, not to p    1221 # Make the path relative to DESTDIR, not to prefix
1242 ifndef DESTDIR                                   1222 ifndef DESTDIR
1243 prefix ?= $(HOME)                                1223 prefix ?= $(HOME)
1244 endif                                            1224 endif
1245 bindir_relative = bin                            1225 bindir_relative = bin
1246 bindir = $(abspath $(prefix)/$(bindir_relativ    1226 bindir = $(abspath $(prefix)/$(bindir_relative))
1247 includedir_relative = include                    1227 includedir_relative = include
1248 includedir = $(abspath $(prefix)/$(includedir    1228 includedir = $(abspath $(prefix)/$(includedir_relative))
1249 mandir = share/man                               1229 mandir = share/man
1250 infodir = share/info                             1230 infodir = share/info
1251 perfexecdir = libexec/perf-core                  1231 perfexecdir = libexec/perf-core
1252 # FIXME: system's libbpf header directory, wh !! 1232 perf_include_dir = lib/perf/include
1253 libbpf_include_dir = /usr/include             << 
1254 perf_examples_dir = lib/perf/examples            1233 perf_examples_dir = lib/perf/examples
1255 sharedir = $(prefix)/share                       1234 sharedir = $(prefix)/share
1256 template_dir = share/perf-core/templates         1235 template_dir = share/perf-core/templates
1257 STRACE_GROUPS_DIR = share/perf-core/strace/gr    1236 STRACE_GROUPS_DIR = share/perf-core/strace/groups
1258 htmldir = share/doc/perf-doc                     1237 htmldir = share/doc/perf-doc
1259 tipdir = share/doc/perf-tip                      1238 tipdir = share/doc/perf-tip
1260 srcdir = $(srctree)/tools/perf                   1239 srcdir = $(srctree)/tools/perf
1261 ifeq ($(prefix),/usr)                            1240 ifeq ($(prefix),/usr)
1262 sysconfdir = /etc                                1241 sysconfdir = /etc
1263 ETC_PERFCONFIG = $(sysconfdir)/perfconfig        1242 ETC_PERFCONFIG = $(sysconfdir)/perfconfig
1264 else                                             1243 else
1265 sysconfdir = $(prefix)/etc                       1244 sysconfdir = $(prefix)/etc
1266 ETC_PERFCONFIG = etc/perfconfig                  1245 ETC_PERFCONFIG = etc/perfconfig
1267 endif                                            1246 endif
1268 ifndef lib                                       1247 ifndef lib
1269 ifeq ($(SRCARCH)$(IS_64_BIT), x861)              1248 ifeq ($(SRCARCH)$(IS_64_BIT), x861)
1270 lib = lib64                                      1249 lib = lib64
1271 else                                             1250 else
1272 lib = lib                                        1251 lib = lib
1273 endif                                            1252 endif
1274 endif # lib                                      1253 endif # lib
1275 libdir = $(prefix)/$(lib)                        1254 libdir = $(prefix)/$(lib)
1276                                                  1255 
1277 # Shell quote (do not use $(call) to accommod    1256 # Shell quote (do not use $(call) to accommodate ancient setups);
1278 ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERF    1257 ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
1279 STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRAC    1258 STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
1280 DESTDIR_SQ = $(subst ','\'',$(DESTDIR))          1259 DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
1281 bindir_SQ = $(subst ','\'',$(bindir))            1260 bindir_SQ = $(subst ','\'',$(bindir))
1282 includedir_SQ = $(subst ','\'',$(includedir))    1261 includedir_SQ = $(subst ','\'',$(includedir))
1283 mandir_SQ = $(subst ','\'',$(mandir))            1262 mandir_SQ = $(subst ','\'',$(mandir))
1284 infodir_SQ = $(subst ','\'',$(infodir))          1263 infodir_SQ = $(subst ','\'',$(infodir))
1285 perfexecdir_SQ = $(subst ','\'',$(perfexecdir    1264 perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
1286 libbpf_include_dir_SQ = $(subst ','\'',$(libb !! 1265 perf_include_dir_SQ = $(subst ','\'',$(perf_include_dir))
1287 perf_examples_dir_SQ = $(subst ','\'',$(perf_    1266 perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir))
1288 template_dir_SQ = $(subst ','\'',$(template_d    1267 template_dir_SQ = $(subst ','\'',$(template_dir))
1289 htmldir_SQ = $(subst ','\'',$(htmldir))          1268 htmldir_SQ = $(subst ','\'',$(htmldir))
1290 tipdir_SQ = $(subst ','\'',$(tipdir))            1269 tipdir_SQ = $(subst ','\'',$(tipdir))
1291 prefix_SQ = $(subst ','\'',$(prefix))            1270 prefix_SQ = $(subst ','\'',$(prefix))
1292 sysconfdir_SQ = $(subst ','\'',$(sysconfdir))    1271 sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
1293 libdir_SQ = $(subst ','\'',$(libdir))            1272 libdir_SQ = $(subst ','\'',$(libdir))
1294 srcdir_SQ = $(subst ','\'',$(srcdir))            1273 srcdir_SQ = $(subst ','\'',$(srcdir))
1295                                                  1274 
1296 ifneq ($(filter /%,$(firstword $(perfexecdir)    1275 ifneq ($(filter /%,$(firstword $(perfexecdir))),)
1297 perfexec_instdir = $(perfexecdir)                1276 perfexec_instdir = $(perfexecdir)
1298 perf_include_instdir = $(libbpf_include_dir)  !! 1277 perf_include_instdir = $(perf_include_dir)
1299 perf_examples_instdir = $(perf_examples_dir)     1278 perf_examples_instdir = $(perf_examples_dir)
1300 STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)     1279 STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
1301 tip_instdir = $(tipdir)                          1280 tip_instdir = $(tipdir)
1302 else                                             1281 else
1303 perfexec_instdir = $(prefix)/$(perfexecdir)      1282 perfexec_instdir = $(prefix)/$(perfexecdir)
1304 perf_include_instdir = $(prefix)/$(libbpf_inc !! 1283 perf_include_instdir = $(prefix)/$(perf_include_dir)
1305 perf_examples_instdir = $(prefix)/$(perf_exam    1284 perf_examples_instdir = $(prefix)/$(perf_examples_dir)
1306 STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GR    1285 STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
1307 tip_instdir = $(prefix)/$(tipdir)                1286 tip_instdir = $(prefix)/$(tipdir)
1308 endif                                            1287 endif
1309 perfexec_instdir_SQ = $(subst ','\'',$(perfex    1288 perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
1310 perf_include_instdir_SQ = $(subst ','\'',$(pe    1289 perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir))
1311 perf_examples_instdir_SQ = $(subst ','\'',$(p    1290 perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir))
1312 STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(S    1291 STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
1313 tip_instdir_SQ = $(subst ','\'',$(tip_instdir    1292 tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
1314                                                  1293 
1315 export perfexec_instdir_SQ                    !! 1294 # If we install to $(HOME) we keep the traceevent default:
                                                   >> 1295 # $(HOME)/.traceevent/plugins
                                                   >> 1296 # Otherwise we install plugins into the global $(libdir).
                                                   >> 1297 ifdef DESTDIR
                                                   >> 1298 plugindir=$(libdir)/traceevent/plugins
                                                   >> 1299 plugindir_SQ= $(subst ','\'',$(plugindir))
                                                   >> 1300 endif
1316                                                  1301 
1317 print_var = $(eval $(print_var_code)) $(info     1302 print_var = $(eval $(print_var_code)) $(info $(MSG))
1318 define print_var_code                            1303 define print_var_code
1319     MSG = $(shell printf '...%40s: %s' $(1) $ !! 1304     MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
1320 endef                                            1305 endef
1321                                                  1306 
1322 ifeq ($(feature_display),1)                   << 
1323   $(call feature_display_entries)             << 
1324 endif                                         << 
1325                                               << 
1326 ifeq ($(VF),1)                                   1307 ifeq ($(VF),1)
1327   # Display EXTRA features which are detected    1308   # Display EXTRA features which are detected manualy
1328   # from here with feature_check call and thu    1309   # from here with feature_check call and thus cannot
1329   # be partof global state output.               1310   # be partof global state output.
1330   $(foreach feat,$(FEATURE_TESTS_EXTRA),$(cal !! 1311   $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),))
1331   $(call print_var,prefix)                       1312   $(call print_var,prefix)
1332   $(call print_var,bindir)                       1313   $(call print_var,bindir)
1333   $(call print_var,libdir)                       1314   $(call print_var,libdir)
1334   $(call print_var,sysconfdir)                   1315   $(call print_var,sysconfdir)
1335   $(call print_var,LIBUNWIND_DIR)                1316   $(call print_var,LIBUNWIND_DIR)
1336   $(call print_var,LIBDW_DIR)                    1317   $(call print_var,LIBDW_DIR)
1337   $(call print_var,JDIR)                         1318   $(call print_var,JDIR)
1338                                                  1319 
1339   ifeq ($(dwarf-post-unwind),1)                  1320   ifeq ($(dwarf-post-unwind),1)
1340     $(call feature_print_text,"DWARF post unw !! 1321     $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
1341   endif                                          1322   endif
                                                   >> 1323   $(info )
1342 endif                                            1324 endif
1343                                                  1325 
1344 $(info )                                      << 
1345                                               << 
1346 $(call detected_var,bindir_SQ)                   1326 $(call detected_var,bindir_SQ)
1347 $(call detected_var,PYTHON_WORD)                 1327 $(call detected_var,PYTHON_WORD)
1348 ifneq ($(OUTPUT),)                               1328 ifneq ($(OUTPUT),)
1349 $(call detected_var,OUTPUT)                      1329 $(call detected_var,OUTPUT)
1350 endif                                            1330 endif
1351 $(call detected_var,htmldir_SQ)                  1331 $(call detected_var,htmldir_SQ)
1352 $(call detected_var,infodir_SQ)                  1332 $(call detected_var,infodir_SQ)
1353 $(call detected_var,mandir_SQ)                   1333 $(call detected_var,mandir_SQ)
1354 $(call detected_var,ETC_PERFCONFIG_SQ)           1334 $(call detected_var,ETC_PERFCONFIG_SQ)
1355 $(call detected_var,STRACE_GROUPS_DIR_SQ)        1335 $(call detected_var,STRACE_GROUPS_DIR_SQ)
1356 $(call detected_var,prefix_SQ)                   1336 $(call detected_var,prefix_SQ)
1357 $(call detected_var,perfexecdir_SQ)              1337 $(call detected_var,perfexecdir_SQ)
1358 $(call detected_var,libbpf_include_dir_SQ)    !! 1338 $(call detected_var,perf_include_dir_SQ)
1359 $(call detected_var,perf_examples_dir_SQ)        1339 $(call detected_var,perf_examples_dir_SQ)
1360 $(call detected_var,tipdir_SQ)                   1340 $(call detected_var,tipdir_SQ)
1361 $(call detected_var,srcdir_SQ)                   1341 $(call detected_var,srcdir_SQ)
1362 $(call detected_var,LIBDIR)                      1342 $(call detected_var,LIBDIR)
1363 $(call detected_var,GTK_CFLAGS)                  1343 $(call detected_var,GTK_CFLAGS)
1364 $(call detected_var,PERL_EMBED_CCOPTS)           1344 $(call detected_var,PERL_EMBED_CCOPTS)
1365 $(call detected_var,PYTHON_EMBED_CCOPTS)         1345 $(call detected_var,PYTHON_EMBED_CCOPTS)
1366 ifneq ($(BISON_FILE_PREFIX_MAP),)                1346 ifneq ($(BISON_FILE_PREFIX_MAP),)
1367 $(call detected_var,BISON_FILE_PREFIX_MAP)       1347 $(call detected_var,BISON_FILE_PREFIX_MAP)
1368 endif                                            1348 endif
1369                                                  1349 
1370 # re-generate FEATURE-DUMP as we may have cal    1350 # re-generate FEATURE-DUMP as we may have called feature_check, found out
1371 # extra libraries to add to LDFLAGS of some o    1351 # extra libraries to add to LDFLAGS of some other test and then redo those
1372 # tests, see the block about libbfd, disassem !! 1352 # tests.
1373 $(shell rm -f $(FEATURE_DUMP_FILENAME))          1353 $(shell rm -f $(FEATURE_DUMP_FILENAME))
1374 $(foreach feat,$(FEATURE_TESTS),$(shell echo     1354 $(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME)))
                                                   >> 1355 
                                                   >> 1356 ifeq ($(feature_display),1)
                                                   >> 1357   $(call feature_display_entries)
                                                   >> 1358 endif
                                                      

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