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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-6.11.7)


  1 # SPDX-License-Identifier: GPL-2.0-only             1 # SPDX-License-Identifier: GPL-2.0-only
  2                                                     2 
  3 ifeq ($(src-perf),)                                 3 ifeq ($(src-perf),)
  4 src-perf := $(srctree)/tools/perf                   4 src-perf := $(srctree)/tools/perf
  5 endif                                               5 endif
  6                                                     6 
  7 ifeq ($(obj-perf),)                                 7 ifeq ($(obj-perf),)
  8 obj-perf := $(OUTPUT)                               8 obj-perf := $(OUTPUT)
  9 endif                                               9 endif
 10                                                    10 
 11 ifneq ($(obj-perf),)                               11 ifneq ($(obj-perf),)
 12 obj-perf := $(abspath $(obj-perf))/                12 obj-perf := $(abspath $(obj-perf))/
 13 endif                                              13 endif
 14                                                    14 
 15 $(shell printf "" > $(OUTPUT).config-detected)     15 $(shell printf "" > $(OUTPUT).config-detected)
 16 detected     = $(shell echo "$(1)=y"       >>      16 detected     = $(shell echo "$(1)=y"       >> $(OUTPUT).config-detected)
 17 detected_var = $(shell echo "$(1)=$($(1))" >>      17 detected_var = $(shell echo "$(1)=$($(1))" >> $(OUTPUT).config-detected)
 18                                                    18 
 19 CFLAGS := $(EXTRA_CFLAGS) $(filter-out -Wneste     19 CFLAGS := $(EXTRA_CFLAGS) $(filter-out -Wnested-externs,$(EXTRA_WARNINGS))
 20 HOSTCFLAGS := $(filter-out -Wnested-externs,$(     20 HOSTCFLAGS := $(filter-out -Wnested-externs,$(EXTRA_WARNINGS))
 21                                                    21 
 22 # Enabled Wthread-safety analysis for clang bu     22 # Enabled Wthread-safety analysis for clang builds.
 23 ifeq ($(CC_NO_CLANG), 0)                           23 ifeq ($(CC_NO_CLANG), 0)
 24   CFLAGS += -Wthread-safety                        24   CFLAGS += -Wthread-safety
 25 endif                                              25 endif
 26                                                    26 
 27 include $(srctree)/tools/scripts/Makefile.arch     27 include $(srctree)/tools/scripts/Makefile.arch
 28                                                    28 
 29 $(call detected_var,SRCARCH)                       29 $(call detected_var,SRCARCH)
 30                                                    30 
 31 ifneq ($(NO_SYSCALL_TABLE),1)                      31 ifneq ($(NO_SYSCALL_TABLE),1)
 32   NO_SYSCALL_TABLE := 1                            32   NO_SYSCALL_TABLE := 1
 33                                                    33 
 34   ifeq ($(SRCARCH),$(filter $(SRCARCH),x86 pow !!  34   ifeq ($(SRCARCH),x86)
 35     NO_SYSCALL_TABLE := 0                      !!  35     ifeq (${IS_64_BIT}, 1)
                                                   >>  36       NO_SYSCALL_TABLE := 0
                                                   >>  37     endif
                                                   >>  38   else
                                                   >>  39     ifeq ($(SRCARCH),$(filter $(SRCARCH),powerpc arm64 s390 mips loongarch))
                                                   >>  40       NO_SYSCALL_TABLE := 0
                                                   >>  41     endif
 36   endif                                            42   endif
 37                                                    43 
 38   ifneq ($(NO_SYSCALL_TABLE),1)                    44   ifneq ($(NO_SYSCALL_TABLE),1)
 39     CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT         45     CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT
 40   endif                                            46   endif
 41 endif                                              47 endif
 42                                                    48 
 43 # Additional ARCH settings for ppc                 49 # Additional ARCH settings for ppc
 44 ifeq ($(SRCARCH),powerpc)                          50 ifeq ($(SRCARCH),powerpc)
 45   CFLAGS += -I$(OUTPUT)arch/powerpc/include/ge     51   CFLAGS += -I$(OUTPUT)arch/powerpc/include/generated
 46   LIBUNWIND_LIBS := -lunwind -lunwind-ppc64        52   LIBUNWIND_LIBS := -lunwind -lunwind-ppc64
 47 endif                                              53 endif
 48                                                    54 
 49 # Additional ARCH settings for x86                 55 # Additional ARCH settings for x86
 50 ifeq ($(SRCARCH),x86)                              56 ifeq ($(SRCARCH),x86)
 51   $(call detected,CONFIG_X86)                      57   $(call detected,CONFIG_X86)
 52   CFLAGS += -I$(OUTPUT)arch/x86/include/genera << 
 53   ifeq (${IS_64_BIT}, 1)                           58   ifeq (${IS_64_BIT}, 1)
 54     CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT       !!  59     CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT -I$(OUTPUT)arch/x86/include/generated
 55     ARCH_INCLUDE = ../../arch/x86/lib/memcpy_6     60     ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
 56     LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind      61     LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind -llzma
 57     $(call detected,CONFIG_X86_64)                 62     $(call detected,CONFIG_X86_64)
 58   else                                             63   else
 59     LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunw     64     LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind
 60   endif                                            65   endif
 61 endif                                              66 endif
 62                                                    67 
 63 ifeq ($(SRCARCH),arm)                              68 ifeq ($(SRCARCH),arm)
 64   LIBUNWIND_LIBS = -lunwind -lunwind-arm           69   LIBUNWIND_LIBS = -lunwind -lunwind-arm
 65 endif                                              70 endif
 66                                                    71 
 67 ifeq ($(SRCARCH),arm64)                            72 ifeq ($(SRCARCH),arm64)
 68   CFLAGS += -I$(OUTPUT)arch/arm64/include/gene     73   CFLAGS += -I$(OUTPUT)arch/arm64/include/generated
 69   LIBUNWIND_LIBS = -lunwind -lunwind-aarch64       74   LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
 70 endif                                              75 endif
 71                                                    76 
 72 ifeq ($(SRCARCH),loongarch)                        77 ifeq ($(SRCARCH),loongarch)
 73   CFLAGS += -I$(OUTPUT)arch/loongarch/include/     78   CFLAGS += -I$(OUTPUT)arch/loongarch/include/generated
 74   LIBUNWIND_LIBS = -lunwind -lunwind-loongarch     79   LIBUNWIND_LIBS = -lunwind -lunwind-loongarch64
 75 endif                                              80 endif
 76                                                    81 
 77 ifeq ($(ARCH),s390)                                82 ifeq ($(ARCH),s390)
 78   CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include     83   CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated
 79 endif                                              84 endif
 80                                                    85 
 81 ifeq ($(ARCH),mips)                                86 ifeq ($(ARCH),mips)
 82   CFLAGS += -I$(OUTPUT)arch/mips/include/gener     87   CFLAGS += -I$(OUTPUT)arch/mips/include/generated
 83   LIBUNWIND_LIBS = -lunwind -lunwind-mips          88   LIBUNWIND_LIBS = -lunwind -lunwind-mips
 84 endif                                              89 endif
 85                                                    90 
 86 # So far there's only x86 and arm libdw unwind     91 # So far there's only x86 and arm libdw unwind support merged in perf.
 87 # Disable it on all other architectures in cas     92 # Disable it on all other architectures in case libdw unwind
 88 # support is detected in system. Add supported     93 # support is detected in system. Add supported architectures
 89 # to the check.                                    94 # to the check.
 90 ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm      95 ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390 csky riscv loongarch))
 91   NO_LIBDW_DWARF_UNWIND := 1                       96   NO_LIBDW_DWARF_UNWIND := 1
 92 endif                                              97 endif
 93                                                    98 
 94 ifeq ($(LIBUNWIND_LIBS),)                          99 ifeq ($(LIBUNWIND_LIBS),)
 95   NO_LIBUNWIND := 1                               100   NO_LIBUNWIND := 1
 96 endif                                             101 endif
 97 #                                                 102 #
 98 # For linking with debug library, run like:       103 # For linking with debug library, run like:
 99 #                                                 104 #
100 #   make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/    105 #   make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
101 #                                                 106 #
102                                                   107 
103 libunwind_arch_set_flags = $(eval $(libunwind_    108 libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
104 define libunwind_arch_set_flags_code              109 define libunwind_arch_set_flags_code
105   FEATURE_CHECK_CFLAGS-libunwind-$(1)  = -I$(L    110   FEATURE_CHECK_CFLAGS-libunwind-$(1)  = -I$(LIBUNWIND_DIR)/include
106   FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(L    111   FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
107 endef                                             112 endef
108                                                   113 
109 ifdef LIBUNWIND_DIR                               114 ifdef LIBUNWIND_DIR
110   LIBUNWIND_CFLAGS  = -I$(LIBUNWIND_DIR)/inclu    115   LIBUNWIND_CFLAGS  = -I$(LIBUNWIND_DIR)/include
111   LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib      116   LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
112   LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 deb    117   LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64 loongarch
113   $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),    118   $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
114 endif                                             119 endif
115                                                   120 
116 # Set per-feature check compilation flags         121 # Set per-feature check compilation flags
117 FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_C    122 FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
118 FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_    123 FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
119 FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $    124 FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
120 FEATURE_CHECK_LDFLAGS-libunwind-debug-frame =     125 FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
121                                                   126 
122 FEATURE_CHECK_LDFLAGS-libunwind-arm += -lunwin    127 FEATURE_CHECK_LDFLAGS-libunwind-arm += -lunwind -lunwind-arm
123 FEATURE_CHECK_LDFLAGS-libunwind-aarch64 += -lu    128 FEATURE_CHECK_LDFLAGS-libunwind-aarch64 += -lunwind -lunwind-aarch64
124 FEATURE_CHECK_LDFLAGS-libunwind-x86 += -lunwin    129 FEATURE_CHECK_LDFLAGS-libunwind-x86 += -lunwind -llzma -lunwind-x86
125 FEATURE_CHECK_LDFLAGS-libunwind-x86_64 += -lun    130 FEATURE_CHECK_LDFLAGS-libunwind-x86_64 += -lunwind -llzma -lunwind-x86_64
126                                                   131 
127 FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto        132 FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto
128                                                   133 
129 ifdef CSINCLUDES                                  134 ifdef CSINCLUDES
130   LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)            135   LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)
131 endif                                             136 endif
132 OPENCSDLIBS := -lopencsd_c_api -lopencsd          137 OPENCSDLIBS := -lopencsd_c_api -lopencsd
133 ifeq ($(findstring -static,${LDFLAGS}),-static    138 ifeq ($(findstring -static,${LDFLAGS}),-static)
134   OPENCSDLIBS += -lstdc++                         139   OPENCSDLIBS += -lstdc++
135 endif                                             140 endif
136 ifdef CSLIBS                                      141 ifdef CSLIBS
137   LIBOPENCSD_LDFLAGS := -L$(CSLIBS)               142   LIBOPENCSD_LDFLAGS := -L$(CSLIBS)
138 endif                                             143 endif
139 FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCS    144 FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS)
140 FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENC    145 FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS)
141                                                   146 
142 # for linking with debug library, run like:       147 # for linking with debug library, run like:
143 # make DEBUG=1 LIBDW_DIR=/opt/libdw/              148 # make DEBUG=1 LIBDW_DIR=/opt/libdw/
144 ifdef LIBDW_DIR                                   149 ifdef LIBDW_DIR
145   LIBDW_CFLAGS  := -I$(LIBDW_DIR)/include         150   LIBDW_CFLAGS  := -I$(LIBDW_DIR)/include
146   LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib             151   LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
147 endif                                             152 endif
148 DWARFLIBS := -ldw                                 153 DWARFLIBS := -ldw
149 ifeq ($(findstring -static,${LDFLAGS}),-static    154 ifeq ($(findstring -static,${LDFLAGS}),-static)
150   DWARFLIBS += -lelf -lz -llzma -lbz2 -lzstd      155   DWARFLIBS += -lelf -lz -llzma -lbz2 -lzstd
151                                                   156 
152   LIBDW_VERSION := $(shell $(PKG_CONFIG) --mod    157   LIBDW_VERSION := $(shell $(PKG_CONFIG) --modversion libdw).0.0
153   LIBDW_VERSION_1 := $(word 1, $(subst ., ,$(L    158   LIBDW_VERSION_1 := $(word 1, $(subst ., ,$(LIBDW_VERSION)))
154   LIBDW_VERSION_2 := $(word 2, $(subst ., ,$(L    159   LIBDW_VERSION_2 := $(word 2, $(subst ., ,$(LIBDW_VERSION)))
155                                                   160 
156   # Elfutils merged libebl.a into libdw.a star    161   # Elfutils merged libebl.a into libdw.a starting from version 0.177,
157   # Link libebl.a only if libdw is older than     162   # Link libebl.a only if libdw is older than this version.
158   ifeq ($(shell test $(LIBDW_VERSION_2) -lt 17    163   ifeq ($(shell test $(LIBDW_VERSION_2) -lt 177; echo $$?),0)
159     DWARFLIBS += -lebl                            164     DWARFLIBS += -lebl
160   endif                                           165   endif
161                                                   166 
162   # Must put -ldl after -lebl for dependency      167   # Must put -ldl after -lebl for dependency
163   DWARFLIBS += -ldl                               168   DWARFLIBS += -ldl
164 endif                                             169 endif
165 FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(L    170 FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
166 FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(    171 FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS)
167                                                   172 
168 # for linking with debug library, run like:       173 # for linking with debug library, run like:
169 # make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabel    174 # make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
170 ifdef LIBBABELTRACE_DIR                           175 ifdef LIBBABELTRACE_DIR
171   LIBBABELTRACE_CFLAGS  := -I$(LIBBABELTRACE_D    176   LIBBABELTRACE_CFLAGS  := -I$(LIBBABELTRACE_DIR)/include
172   LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_D    177   LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
173 endif                                             178 endif
174 FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBAB    179 FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
175 FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBA    180 FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
176                                                   181 
177 # for linking with debug library, run like:       182 # for linking with debug library, run like:
178 # make DEBUG=1 LIBCAPSTONE_DIR=/opt/capstone/     183 # make DEBUG=1 LIBCAPSTONE_DIR=/opt/capstone/
179 ifdef LIBCAPSTONE_DIR                             184 ifdef LIBCAPSTONE_DIR
180   LIBCAPSTONE_CFLAGS  := -I$(LIBCAPSTONE_DIR)/    185   LIBCAPSTONE_CFLAGS  := -I$(LIBCAPSTONE_DIR)/include
181   LIBCAPSTONE_LDFLAGS := -L$(LIBCAPSTONE_DIR)/    186   LIBCAPSTONE_LDFLAGS := -L$(LIBCAPSTONE_DIR)/
182 endif                                             187 endif
183 FEATURE_CHECK_CFLAGS-libcapstone := $(LIBCAPST    188 FEATURE_CHECK_CFLAGS-libcapstone := $(LIBCAPSTONE_CFLAGS)
184 FEATURE_CHECK_LDFLAGS-libcapstone := $(LIBCAPS    189 FEATURE_CHECK_LDFLAGS-libcapstone := $(LIBCAPSTONE_LDFLAGS) -lcapstone
185                                                   190 
186 ifdef LIBZSTD_DIR                                 191 ifdef LIBZSTD_DIR
187   LIBZSTD_CFLAGS  := -I$(LIBZSTD_DIR)/lib         192   LIBZSTD_CFLAGS  := -I$(LIBZSTD_DIR)/lib
188   LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib         193   LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib
189 endif                                             194 endif
190 FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLA    195 FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS)
191 FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDF    196 FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS)
192                                                   197 
193 # for linking with debug library, run like:       198 # for linking with debug library, run like:
194 # make DEBUG=1 PKG_CONFIG_PATH=/opt/libtraceev    199 # make DEBUG=1 PKG_CONFIG_PATH=/opt/libtraceevent/(lib|lib64)/pkgconfig
195                                                   200 
196 ifneq ($(NO_LIBTRACEEVENT),1)                     201 ifneq ($(NO_LIBTRACEEVENT),1)
197   ifeq ($(call get-executable,$(PKG_CONFIG)),)    202   ifeq ($(call get-executable,$(PKG_CONFIG)),)
198     $(error Error: $(PKG_CONFIG) needed by lib    203     $(error Error: $(PKG_CONFIG) needed by libtraceevent is missing on this system, please install it)
199   endif                                           204   endif
200 endif                                             205 endif
201                                                   206 
202 FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/to    207 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                    208 # include ARCH specific config
204 -include $(src-perf)/arch/$(SRCARCH)/Makefile     209 -include $(src-perf)/arch/$(SRCARCH)/Makefile
205                                                   210 
206 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSE    211 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
207   CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OF    212   CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
208 endif                                             213 endif
209                                                   214 
210 include $(srctree)/tools/scripts/utilities.mak    215 include $(srctree)/tools/scripts/utilities.mak
211                                                   216 
212 ifeq ($(call get-executable,$(FLEX)),)            217 ifeq ($(call get-executable,$(FLEX)),)
213   $(error Error: $(FLEX) is missing on this sy    218   $(error Error: $(FLEX) is missing on this system, please install it)
214 endif                                             219 endif
215                                                   220 
216 ifeq ($(call get-executable,$(BISON)),)           221 ifeq ($(call get-executable,$(BISON)),)
217   $(error Error: $(BISON) is missing on this s    222   $(error Error: $(BISON) is missing on this system, please install it)
218 endif                                             223 endif
219                                                   224 
220 ifneq ($(OUTPUT),)                                225 ifneq ($(OUTPUT),)
221   ifeq ($(shell expr $(shell $(BISON) --versio    226   ifeq ($(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    227     BISON_FILE_PREFIX_MAP := --file-prefix-map=$(OUTPUT)=
223   endif                                           228   endif
224 endif                                             229 endif
225                                                   230 
226 # Treat warnings as errors unless directed not    231 # Treat warnings as errors unless directed not to
227 ifneq ($(WERROR),0)                               232 ifneq ($(WERROR),0)
228   CORE_CFLAGS += -Werror                          233   CORE_CFLAGS += -Werror
229   CXXFLAGS += -Werror                             234   CXXFLAGS += -Werror
230   HOSTCFLAGS += -Werror                           235   HOSTCFLAGS += -Werror
231 endif                                             236 endif
232                                                   237 
233 ifndef DEBUG                                      238 ifndef DEBUG
234   DEBUG := 0                                      239   DEBUG := 0
235 endif                                             240 endif
236                                                   241 
237 ifeq ($(DEBUG),0)                                 242 ifeq ($(DEBUG),0)
238 CORE_CFLAGS += -DNDEBUG=1                         243 CORE_CFLAGS += -DNDEBUG=1
239 CORE_CFLAGS += -O3                             !! 244 ifeq ($(CC_NO_CLANG), 0)
                                                   >> 245   CORE_CFLAGS += -O3
                                                   >> 246 else
                                                   >> 247   CORE_CFLAGS += -O6
                                                   >> 248 endif
240 else                                              249 else
241   CORE_CFLAGS += -g                               250   CORE_CFLAGS += -g
242   CXXFLAGS += -g                                  251   CXXFLAGS += -g
243 endif                                             252 endif
244                                                   253 
245 ifdef PARSER_DEBUG                                254 ifdef PARSER_DEBUG
246   PARSER_DEBUG_BISON := -t                        255   PARSER_DEBUG_BISON := -t
247   PARSER_DEBUG_FLEX  := -d                        256   PARSER_DEBUG_FLEX  := -d
248   CFLAGS             += -DPARSER_DEBUG            257   CFLAGS             += -DPARSER_DEBUG
249   $(call detected_var,PARSER_DEBUG_BISON)         258   $(call detected_var,PARSER_DEBUG_BISON)
250   $(call detected_var,PARSER_DEBUG_FLEX)          259   $(call detected_var,PARSER_DEBUG_FLEX)
251 endif                                             260 endif
252                                                   261 
253 ifdef LTO                                         262 ifdef LTO
254   CORE_CFLAGS += -flto                            263   CORE_CFLAGS += -flto
255   CXXFLAGS += -flto                               264   CXXFLAGS += -flto
256 endif                                             265 endif
257                                                   266 
258 # Try different combinations to accommodate sy    267 # Try different combinations to accommodate systems that only have
259 # python[2][3]-config in weird combinations in    268 # python[2][3]-config in weird combinations in the following order of
260 # priority from lowest to highest:                269 # priority from lowest to highest:
261 #   * python2-config as per pep-0394.             270 #   * python2-config as per pep-0394.
262 #   * python-config                               271 #   * python-config
263 #   * python3-config                              272 #   * python3-config
264 #   * $(PYTHON)-config (If PYTHON is user supp    273 #   * $(PYTHON)-config (If PYTHON is user supplied but PYTHON_CONFIG isn't)
265 #                                                 274 #
266 PYTHON_AUTO := python-config                      275 PYTHON_AUTO := python-config
267 PYTHON_AUTO := $(if $(call get-executable,pyth    276 PYTHON_AUTO := $(if $(call get-executable,python2-config),python2-config,$(PYTHON_AUTO))
268 PYTHON_AUTO := $(if $(call get-executable,pyth    277 PYTHON_AUTO := $(if $(call get-executable,python-config),python-config,$(PYTHON_AUTO))
269 PYTHON_AUTO := $(if $(call get-executable,pyth    278 PYTHON_AUTO := $(if $(call get-executable,python3-config),python3-config,$(PYTHON_AUTO))
270                                                   279 
271 # If PYTHON is defined but PYTHON_CONFIG isn't    280 # 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    281 # supplied value for PYTHON_CONFIG. Because it's "user supplied", error out if it doesn't exist.
273 ifdef PYTHON                                      282 ifdef PYTHON
274   ifndef PYTHON_CONFIG                            283   ifndef PYTHON_CONFIG
275     PYTHON_CONFIG_AUTO := $(call get-executabl    284     PYTHON_CONFIG_AUTO := $(call get-executable,$(PYTHON)-config)
276     PYTHON_CONFIG := $(if $(PYTHON_CONFIG_AUTO    285     PYTHON_CONFIG := $(if $(PYTHON_CONFIG_AUTO),$(PYTHON_CONFIG_AUTO),\
277                           $(call $(error $(PYT    286                           $(call $(error $(PYTHON)-config not found)))
278   endif                                           287   endif
279 endif                                             288 endif
280                                                   289 
281 # Select either auto detected python and pytho    290 # Select either auto detected python and python-config or use user supplied values if they are
282 # defined. get-executable-or-default fails wit    291 # defined. get-executable-or-default fails with an error if the first argument is supplied but
283 # doesn't exist.                                  292 # doesn't exist.
284 override PYTHON_CONFIG := $(call get-executabl    293 override PYTHON_CONFIG := $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON_AUTO))
285 override PYTHON := $(call get-executable-or-de    294 override PYTHON := $(call get-executable-or-default,PYTHON,$(subst -config,,$(PYTHON_CONFIG)))
286                                                   295 
287 grep-libs  = $(filter -l%,$(1))                   296 grep-libs  = $(filter -l%,$(1))
288 strip-libs  = $(filter-out -l%,$(1))              297 strip-libs  = $(filter-out -l%,$(1))
289                                                   298 
290 PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_C    299 PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
291                                                   300 
292 # Python 3.8 changed the output of `python-con    301 # Python 3.8 changed the output of `python-config --ldflags` to not include the
293 # '-lpythonX.Y' flag unless '--embed' is also     302 # '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for
294 # libpython fails if that flag is not included    303 # libpython fails if that flag is not included in LDFLAGS
295 ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --    304 ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0)
296   PYTHON_CONFIG_LDFLAGS := --ldflags --embed      305   PYTHON_CONFIG_LDFLAGS := --ldflags --embed
297 else                                              306 else
298   PYTHON_CONFIG_LDFLAGS := --ldflags              307   PYTHON_CONFIG_LDFLAGS := --ldflags
299 endif                                             308 endif
300                                                   309 
301 ifdef PYTHON_CONFIG                               310 ifdef PYTHON_CONFIG
302   PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONF    311   PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) $(PYTHON_CONFIG_LDFLAGS) 2>/dev/null)
303   # Update the python flags for cross compilat    312   # Update the python flags for cross compilation
304   ifdef CROSS_COMPILE                             313   ifdef CROSS_COMPILE
305     PYTHON_NATIVE := $(shell echo $(PYTHON_EMB    314     PYTHON_NATIVE := $(shell echo $(PYTHON_EMBED_LDOPTS) | sed 's/\(-L.*\/\)\(.*-linux-gnu\).*/\2/')
306     PYTHON_EMBED_LDOPTS := $(subst $(PYTHON_NA    315     PYTHON_EMBED_LDOPTS := $(subst $(PYTHON_NATIVE),$(shell $(CC) -dumpmachine),$(PYTHON_EMBED_LDOPTS))
307   endif                                           316   endif
308   PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(    317   PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
309   PYTHON_EMBED_LIBADD := $(call grep-libs,$(PY    318   PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
310   PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONF    319   PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null)
311   FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS)    320   FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
312   ifeq ($(CC_NO_CLANG), 0)                        321   ifeq ($(CC_NO_CLANG), 0)
313     PYTHON_EMBED_CCOPTS := $(filter-out -ffat-    322     PYTHON_EMBED_CCOPTS := $(filter-out -ffat-lto-objects, $(PYTHON_EMBED_CCOPTS))
314   endif                                           323   endif
315 endif                                             324 endif
316                                                   325 
317 FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMB    326 FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
318 FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EM    327 FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
319                                                   328 
320 FEATURE_CHECK_LDFLAGS-libaio = -lrt               329 FEATURE_CHECK_LDFLAGS-libaio = -lrt
321                                                   330 
322 FEATURE_CHECK_LDFLAGS-disassembler-four-args =    331 FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes -ldl
323 FEATURE_CHECK_LDFLAGS-disassembler-init-styled    332 FEATURE_CHECK_LDFLAGS-disassembler-init-styled = -lbfd -lopcodes -ldl
324                                                   333 
325 CORE_CFLAGS += -fno-omit-frame-pointer            334 CORE_CFLAGS += -fno-omit-frame-pointer
326 CORE_CFLAGS += -Wall                              335 CORE_CFLAGS += -Wall
327 CORE_CFLAGS += -Wextra                            336 CORE_CFLAGS += -Wextra
328 CORE_CFLAGS += -std=gnu11                         337 CORE_CFLAGS += -std=gnu11
329                                                   338 
330 CXXFLAGS += -std=gnu++17 -fno-exceptions -fno-    339 CXXFLAGS += -std=gnu++17 -fno-exceptions -fno-rtti
331 CXXFLAGS += -Wall                                 340 CXXFLAGS += -Wall
332 CXXFLAGS += -Wextra                               341 CXXFLAGS += -Wextra
333 CXXFLAGS += -fno-omit-frame-pointer               342 CXXFLAGS += -fno-omit-frame-pointer
334                                                   343 
335 HOSTCFLAGS += -Wall                               344 HOSTCFLAGS += -Wall
336 HOSTCFLAGS += -Wextra                             345 HOSTCFLAGS += -Wextra
337                                                   346 
338 # Enforce a non-executable stack, as we may re    347 # Enforce a non-executable stack, as we may regress (again) in the future by
339 # adding assembler files missing the .GNU-stac    348 # adding assembler files missing the .GNU-stack linker note.
340 LDFLAGS += -Wl,-z,noexecstack                     349 LDFLAGS += -Wl,-z,noexecstack
341                                                   350 
342 EXTLIBS = -lpthread -lrt -lm -ldl                 351 EXTLIBS = -lpthread -lrt -lm -ldl
343                                                   352 
344 ifneq ($(TCMALLOC),)                              353 ifneq ($(TCMALLOC),)
345   CFLAGS += -fno-builtin-malloc -fno-builtin-c    354   CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free
346   EXTLIBS += -ltcmalloc                           355   EXTLIBS += -ltcmalloc
347 endif                                             356 endif
348                                                   357 
349 ifeq ($(FEATURES_DUMP),)                          358 ifeq ($(FEATURES_DUMP),)
350 # We will display at the end of this Makefile.    359 # We will display at the end of this Makefile.config, using $(call feature_display_entries)
351 # As we may retry some feature detection here,    360 # As we may retry some feature detection here, see the disassembler-four-args case, for instance
352   FEATURE_DISPLAY_DEFERRED := 1                   361   FEATURE_DISPLAY_DEFERRED := 1
353 include $(srctree)/tools/build/Makefile.featur    362 include $(srctree)/tools/build/Makefile.feature
354 else                                              363 else
355 include $(FEATURES_DUMP)                          364 include $(FEATURES_DUMP)
356 endif                                             365 endif
357                                                   366 
358 ifeq ($(feature-stackprotector-all), 1)           367 ifeq ($(feature-stackprotector-all), 1)
359   CORE_CFLAGS += -fstack-protector-all            368   CORE_CFLAGS += -fstack-protector-all
360 endif                                             369 endif
361                                                   370 
362 ifeq ($(DEBUG),0)                                 371 ifeq ($(DEBUG),0)
363   ifeq ($(feature-fortify-source), 1)             372   ifeq ($(feature-fortify-source), 1)
364     CORE_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIF    373     CORE_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
365   endif                                           374   endif
366 endif                                             375 endif
367                                                   376 
368 INC_FLAGS += -I$(src-perf)/util/include           377 INC_FLAGS += -I$(src-perf)/util/include
369 INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/inc    378 INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
370 INC_FLAGS += -I$(srctree)/tools/include/          379 INC_FLAGS += -I$(srctree)/tools/include/
371 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH    380 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
372 INC_FLAGS += -I$(srctree)/tools/include/uapi      381 INC_FLAGS += -I$(srctree)/tools/include/uapi
373 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH    382 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
374 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH    383 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
375                                                   384 
376 # $(obj-perf)      for generated common-cmds.h    385 # $(obj-perf)      for generated common-cmds.h
377 # $(obj-perf)/util for generated bison/flex he    386 # $(obj-perf)/util for generated bison/flex headers
378 ifneq ($(OUTPUT),)                                387 ifneq ($(OUTPUT),)
379 INC_FLAGS += -I$(obj-perf)/util                   388 INC_FLAGS += -I$(obj-perf)/util
380 INC_FLAGS += -I$(obj-perf)                        389 INC_FLAGS += -I$(obj-perf)
381 endif                                             390 endif
382                                                   391 
383 INC_FLAGS += -I$(src-perf)/util                   392 INC_FLAGS += -I$(src-perf)/util
384 INC_FLAGS += -I$(src-perf)                        393 INC_FLAGS += -I$(src-perf)
385                                                   394 
386 CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_O    395 CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
387                                                   396 
388 CFLAGS   += $(CORE_CFLAGS) $(INC_FLAGS)           397 CFLAGS   += $(CORE_CFLAGS) $(INC_FLAGS)
389 CXXFLAGS += $(INC_FLAGS)                          398 CXXFLAGS += $(INC_FLAGS)
390                                                   399 
391 LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAG    400 LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS)
392                                                   401 
393 ifeq ($(feature-pthread-attr-setaffinity-np),     402 ifeq ($(feature-pthread-attr-setaffinity-np), 1)
394   CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP    403   CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
395 endif                                             404 endif
396                                                   405 
397 ifeq ($(feature-pthread-barrier), 1)              406 ifeq ($(feature-pthread-barrier), 1)
398   CFLAGS += -DHAVE_PTHREAD_BARRIER                407   CFLAGS += -DHAVE_PTHREAD_BARRIER
399 endif                                             408 endif
400                                                   409 
401 ifndef NO_BIONIC                                  410 ifndef NO_BIONIC
402   $(call feature_check,bionic)                    411   $(call feature_check,bionic)
403   ifeq ($(feature-bionic), 1)                     412   ifeq ($(feature-bionic), 1)
404     BIONIC := 1                                   413     BIONIC := 1
405     CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE          414     CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE
406     CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE    415     CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE
407     EXTLIBS := $(filter-out -lrt,$(EXTLIBS))      416     EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
408     EXTLIBS := $(filter-out -lpthread,$(EXTLIB    417     EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
409   endif                                           418   endif
410 endif                                             419 endif
411                                                   420 
412 ifeq ($(feature-eventfd), 1)                      421 ifeq ($(feature-eventfd), 1)
413   CFLAGS += -DHAVE_EVENTFD_SUPPORT                422   CFLAGS += -DHAVE_EVENTFD_SUPPORT
414 endif                                             423 endif
415                                                   424 
416 ifeq ($(feature-get_current_dir_name), 1)         425 ifeq ($(feature-get_current_dir_name), 1)
417   CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME           426   CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME
418 endif                                             427 endif
419                                                   428 
420 ifeq ($(feature-gettid), 1)                       429 ifeq ($(feature-gettid), 1)
421   CFLAGS += -DHAVE_GETTID                         430   CFLAGS += -DHAVE_GETTID
422 endif                                             431 endif
423                                                   432 
424 ifeq ($(feature-file-handle), 1)                  433 ifeq ($(feature-file-handle), 1)
425   CFLAGS += -DHAVE_FILE_HANDLE                    434   CFLAGS += -DHAVE_FILE_HANDLE
426 endif                                             435 endif
427                                                   436 
428 ifdef NO_LIBELF                                   437 ifdef NO_LIBELF
429   NO_DWARF := 1                                   438   NO_DWARF := 1
430   NO_LIBUNWIND := 1                               439   NO_LIBUNWIND := 1
431   NO_LIBDW_DWARF_UNWIND := 1                      440   NO_LIBDW_DWARF_UNWIND := 1
432   NO_LIBBPF := 1                                  441   NO_LIBBPF := 1
433   NO_JVMTI := 1                                   442   NO_JVMTI := 1
434 else                                              443 else
435   ifeq ($(feature-libelf), 0)                     444   ifeq ($(feature-libelf), 0)
436     ifeq ($(feature-glibc), 1)                    445     ifeq ($(feature-glibc), 1)
437       LIBC_SUPPORT := 1                           446       LIBC_SUPPORT := 1
438     endif                                         447     endif
439     ifeq ($(BIONIC),1)                            448     ifeq ($(BIONIC),1)
440       LIBC_SUPPORT := 1                           449       LIBC_SUPPORT := 1
441     endif                                         450     endif
442     ifeq ($(LIBC_SUPPORT),1)                      451     ifeq ($(LIBC_SUPPORT),1)
443       $(error ERROR: No libelf found. Disables    452       $(error ERROR: No libelf found. Disables 'probe' tool, jvmti and BPF support. Please install libelf-dev, libelf-devel, elfutils-libelf-devel or build with NO_LIBELF=1.)
444     else                                          453     else
445       ifneq ($(filter s% -fsanitize=address%,$    454       ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),)
446         ifneq ($(shell ldconfig -p | grep liba    455         ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0)
447           $(error No libasan found, please ins    456           $(error No libasan found, please install libasan)
448         endif                                     457         endif
449       endif                                       458       endif
450                                                   459 
451       ifneq ($(filter s% -fsanitize=undefined%    460       ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),)
452         ifneq ($(shell ldconfig -p | grep libu    461         ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0)
453           $(error No libubsan found, please in    462           $(error No libubsan found, please install libubsan)
454         endif                                     463         endif
455       endif                                       464       endif
456                                                   465 
457       ifneq ($(filter s% -static%,$(LDFLAGS),)    466       ifneq ($(filter s% -static%,$(LDFLAGS),),)
458         $(error No static glibc found, please     467         $(error No static glibc found, please install glibc-static)
459       else                                        468       else
460         $(error No gnu/libc-version.h found, p    469         $(error No gnu/libc-version.h found, please install glibc-dev[el])
461       endif                                       470       endif
462     endif                                         471     endif
463   else                                            472   else
464     ifndef NO_LIBDW_DWARF_UNWIND                  473     ifndef NO_LIBDW_DWARF_UNWIND
465       ifneq ($(feature-libdw-dwarf-unwind),1)     474       ifneq ($(feature-libdw-dwarf-unwind),1)
466         NO_LIBDW_DWARF_UNWIND := 1                475         NO_LIBDW_DWARF_UNWIND := 1
467         $(warning No libdw DWARF unwind found,    476         $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR)
468       endif                                       477       endif
469     endif                                         478     endif
470     ifneq ($(feature-dwarf), 1)                   479     ifneq ($(feature-dwarf), 1)
471       ifndef NO_DWARF                             480       ifndef NO_DWARF
472         $(warning No libdw.h found or old libd    481         $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev)
473         NO_DWARF := 1                             482         NO_DWARF := 1
474       endif                                       483       endif
475     else                                          484     else
476       ifneq ($(feature-dwarf_getlocations), 1)    485       ifneq ($(feature-dwarf_getlocations), 1)
477         $(warning Old libdw.h, finding variabl    486         $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157)
478       else                                        487       else
479         CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SU    488         CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT
480       endif # dwarf_getlocations                  489       endif # dwarf_getlocations
481       ifneq ($(feature-dwarf_getcfi), 1)          490       ifneq ($(feature-dwarf_getcfi), 1)
482         $(warning Old libdw.h, finding variabl    491         $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.142)
483       else                                        492       else
484         CFLAGS += -DHAVE_DWARF_CFI_SUPPORT        493         CFLAGS += -DHAVE_DWARF_CFI_SUPPORT
485       endif # dwarf_getcfi                        494       endif # dwarf_getcfi
486     endif # Dwarf support                         495     endif # Dwarf support
487   endif # libelf support                          496   endif # libelf support
488 endif # NO_LIBELF                                 497 endif # NO_LIBELF
489                                                   498 
490 ifeq ($(feature-libaio), 1)                       499 ifeq ($(feature-libaio), 1)
491   ifndef NO_AIO                                   500   ifndef NO_AIO
492     CFLAGS += -DHAVE_AIO_SUPPORT                  501     CFLAGS += -DHAVE_AIO_SUPPORT
493   endif                                           502   endif
494 endif                                             503 endif
495                                                   504 
496 ifdef NO_DWARF                                    505 ifdef NO_DWARF
497   NO_LIBDW_DWARF_UNWIND := 1                      506   NO_LIBDW_DWARF_UNWIND := 1
498 endif                                             507 endif
499                                                   508 
500 ifeq ($(feature-scandirat), 1)                    509 ifeq ($(feature-scandirat), 1)
501   # Ignore having scandirat with memory saniti    510   # Ignore having scandirat with memory sanitizer that lacks an interceptor.
502   ifeq ($(filter s% -fsanitize=memory%,$(EXTRA    511   ifeq ($(filter s% -fsanitize=memory%,$(EXTRA_CFLAGS),),)
503     CFLAGS += -DHAVE_SCANDIRAT_SUPPORT            512     CFLAGS += -DHAVE_SCANDIRAT_SUPPORT
504   endif                                           513   endif
505 endif                                             514 endif
506                                                   515 
507 ifeq ($(feature-sched_getcpu), 1)                 516 ifeq ($(feature-sched_getcpu), 1)
508   CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT           517   CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
509 endif                                             518 endif
510                                                   519 
511 ifeq ($(feature-setns), 1)                        520 ifeq ($(feature-setns), 1)
512   CFLAGS += -DHAVE_SETNS_SUPPORT                  521   CFLAGS += -DHAVE_SETNS_SUPPORT
513   $(call detected,CONFIG_SETNS)                   522   $(call detected,CONFIG_SETNS)
514 endif                                             523 endif
515                                                   524 
516 ifdef CORESIGHT                                   525 ifdef CORESIGHT
517   $(call feature_check,libopencsd)                526   $(call feature_check,libopencsd)
518   ifeq ($(feature-libopencsd), 1)                 527   ifeq ($(feature-libopencsd), 1)
519     CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPEN    528     CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
520     ifeq ($(feature-reallocarray), 0)             529     ifeq ($(feature-reallocarray), 0)
521       CFLAGS += -DCOMPAT_NEED_REALLOCARRAY        530       CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
522     endif                                         531     endif
523     LDFLAGS += $(LIBOPENCSD_LDFLAGS)              532     LDFLAGS += $(LIBOPENCSD_LDFLAGS)
524     EXTLIBS += $(OPENCSDLIBS)                     533     EXTLIBS += $(OPENCSDLIBS)
525     $(call detected,CONFIG_LIBOPENCSD)            534     $(call detected,CONFIG_LIBOPENCSD)
526     ifdef CSTRACE_RAW                             535     ifdef CSTRACE_RAW
527       CFLAGS += -DCS_DEBUG_RAW                    536       CFLAGS += -DCS_DEBUG_RAW
528       ifeq (${CSTRACE_RAW}, packed)               537       ifeq (${CSTRACE_RAW}, packed)
529         CFLAGS += -DCS_RAW_PACKED                 538         CFLAGS += -DCS_RAW_PACKED
530       endif                                       539       endif
531     endif                                         540     endif
532   else                                            541   else
533     $(error Error: No libopencsd library found    542     $(error Error: No libopencsd library found or the version is not up-to-date. Please install recent libopencsd to build with CORESIGHT=1)
534   endif                                           543   endif
535 endif                                             544 endif
536                                                   545 
537 ifndef NO_ZLIB                                    546 ifndef NO_ZLIB
538   ifeq ($(feature-zlib), 1)                       547   ifeq ($(feature-zlib), 1)
539     CFLAGS += -DHAVE_ZLIB_SUPPORT                 548     CFLAGS += -DHAVE_ZLIB_SUPPORT
540     EXTLIBS += -lz                                549     EXTLIBS += -lz
541     $(call detected,CONFIG_ZLIB)                  550     $(call detected,CONFIG_ZLIB)
542   else                                            551   else
543     NO_ZLIB := 1                                  552     NO_ZLIB := 1
544   endif                                           553   endif
545 endif                                             554 endif
546                                                   555 
547 ifndef NO_LIBELF                                  556 ifndef NO_LIBELF
548   CFLAGS += -DHAVE_LIBELF_SUPPORT                 557   CFLAGS += -DHAVE_LIBELF_SUPPORT
549   EXTLIBS += -lelf                                558   EXTLIBS += -lelf
550   $(call detected,CONFIG_LIBELF)                  559   $(call detected,CONFIG_LIBELF)
551                                                   560 
552   ifeq ($(feature-libelf-getphdrnum), 1)          561   ifeq ($(feature-libelf-getphdrnum), 1)
553     CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT       562     CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
554   endif                                           563   endif
555                                                   564 
556   ifeq ($(feature-libelf-gelf_getnote), 1)        565   ifeq ($(feature-libelf-gelf_getnote), 1)
557     CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT         566     CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
558   else                                            567   else
559     $(warning gelf_getnote() not found on libe    568     $(warning gelf_getnote() not found on libelf, SDT support disabled)
560   endif                                           569   endif
561                                                   570 
562   ifeq ($(feature-libelf-getshdrstrndx), 1)       571   ifeq ($(feature-libelf-getshdrstrndx), 1)
563     CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT    572     CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
564   endif                                           573   endif
565                                                   574 
566   ifndef NO_LIBDEBUGINFOD                         575   ifndef NO_LIBDEBUGINFOD
567     $(call feature_check,libdebuginfod)           576     $(call feature_check,libdebuginfod)
568     ifeq ($(feature-libdebuginfod), 1)            577     ifeq ($(feature-libdebuginfod), 1)
569       CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT         578       CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT
570       EXTLIBS += -ldebuginfod                     579       EXTLIBS += -ldebuginfod
571     endif                                         580     endif
572   endif                                           581   endif
573                                                   582 
574   ifndef NO_DWARF                                 583   ifndef NO_DWARF
575     ifeq ($(origin PERF_HAVE_DWARF_REGS), unde    584     ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
576       $(warning DWARF register mappings have n    585       $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled)
577       NO_DWARF := 1                               586       NO_DWARF := 1
578     else                                          587     else
579       CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_C    588       CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
580       LDFLAGS += $(LIBDW_LDFLAGS)                 589       LDFLAGS += $(LIBDW_LDFLAGS)
581       EXTLIBS += ${DWARFLIBS}                     590       EXTLIBS += ${DWARFLIBS}
582       $(call detected,CONFIG_DWARF)               591       $(call detected,CONFIG_DWARF)
583     endif # PERF_HAVE_DWARF_REGS                  592     endif # PERF_HAVE_DWARF_REGS
584   endif # NO_DWARF                                593   endif # NO_DWARF
585                                                   594 
586   ifndef NO_LIBBPF                                595   ifndef NO_LIBBPF
587     ifeq ($(feature-bpf), 1)                      596     ifeq ($(feature-bpf), 1)
588       # detecting libbpf without LIBBPF_DYNAMI    597       # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status
589       $(call feature_check,libbpf)                598       $(call feature_check,libbpf)
590                                                   599 
591       ifdef LIBBPF_DYNAMIC                        600       ifdef LIBBPF_DYNAMIC
592         ifeq ($(feature-libbpf), 1)               601         ifeq ($(feature-libbpf), 1)
593           EXTLIBS += -lbpf                        602           EXTLIBS += -lbpf
594           CFLAGS += -DHAVE_LIBBPF_SUPPORT         603           CFLAGS += -DHAVE_LIBBPF_SUPPORT
595           $(call detected,CONFIG_LIBBPF)          604           $(call detected,CONFIG_LIBBPF)
596           $(call detected,CONFIG_LIBBPF_DYNAMI    605           $(call detected,CONFIG_LIBBPF_DYNAMIC)
597         else                                      606         else
598           $(error Error: No libbpf devel libra    607           $(error Error: No libbpf devel library found or older than v1.0, please install/update libbpf-devel)
599         endif                                     608         endif
600       else                                        609       else
601         ifeq ($(NO_ZLIB), 1)                      610         ifeq ($(NO_ZLIB), 1)
602           $(warning Warning: Statically buildi    611           $(warning Warning: Statically building libbpf not possible as zlib is missing)
603           NO_LIBBPF := 1                          612           NO_LIBBPF := 1
604         else                                      613         else
605           # Libbpf will be built as a static l    614           # Libbpf will be built as a static library from tools/lib/bpf.
606           LIBBPF_STATIC := 1                      615           LIBBPF_STATIC := 1
607           $(call detected,CONFIG_LIBBPF)          616           $(call detected,CONFIG_LIBBPF)
608           CFLAGS += -DHAVE_LIBBPF_SUPPORT         617           CFLAGS += -DHAVE_LIBBPF_SUPPORT
609         endif                                     618         endif
610       endif                                       619       endif
611     endif                                         620     endif
612   endif # NO_LIBBPF                               621   endif # NO_LIBBPF
613 endif # NO_LIBELF                                 622 endif # NO_LIBELF
614                                                   623 
615 ifndef NO_SDT                                     624 ifndef NO_SDT
616   ifneq ($(feature-sdt), 1)                       625   ifneq ($(feature-sdt), 1)
617     $(warning No sys/sdt.h found, no SDT event    626     $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev)
618     NO_SDT := 1;                                  627     NO_SDT := 1;
619   else                                            628   else
620     CFLAGS += -DHAVE_SDT_EVENT                    629     CFLAGS += -DHAVE_SDT_EVENT
621     $(call detected,CONFIG_SDT_EVENT)             630     $(call detected,CONFIG_SDT_EVENT)
622   endif                                           631   endif
623 endif                                             632 endif
624                                                   633 
625 ifdef PERF_HAVE_JITDUMP                           634 ifdef PERF_HAVE_JITDUMP
626   ifndef NO_LIBELF                                635   ifndef NO_LIBELF
627     $(call detected,CONFIG_JITDUMP)               636     $(call detected,CONFIG_JITDUMP)
628     CFLAGS += -DHAVE_JITDUMP                      637     CFLAGS += -DHAVE_JITDUMP
629   endif                                           638   endif
630 endif                                             639 endif
631                                                   640 
632 ifeq ($(SRCARCH),powerpc)                         641 ifeq ($(SRCARCH),powerpc)
633   ifndef NO_DWARF                                 642   ifndef NO_DWARF
634     CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX           643     CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
635   endif                                           644   endif
636 endif                                             645 endif
637                                                   646 
638 ifndef NO_LIBUNWIND                               647 ifndef NO_LIBUNWIND
639   have_libunwind :=                               648   have_libunwind :=
640                                                   649 
641   $(call feature_check,libunwind-x86)             650   $(call feature_check,libunwind-x86)
642   ifeq ($(feature-libunwind-x86), 1)              651   ifeq ($(feature-libunwind-x86), 1)
643     $(call detected,CONFIG_LIBUNWIND_X86)         652     $(call detected,CONFIG_LIBUNWIND_X86)
644     CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT        653     CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
645     LDFLAGS += -lunwind-x86                       654     LDFLAGS += -lunwind-x86
646     EXTLIBS_LIBUNWIND += -lunwind-x86             655     EXTLIBS_LIBUNWIND += -lunwind-x86
647     have_libunwind = 1                            656     have_libunwind = 1
648   endif                                           657   endif
649                                                   658 
650   $(call feature_check,libunwind-aarch64)         659   $(call feature_check,libunwind-aarch64)
651   ifeq ($(feature-libunwind-aarch64), 1)          660   ifeq ($(feature-libunwind-aarch64), 1)
652     $(call detected,CONFIG_LIBUNWIND_AARCH64)     661     $(call detected,CONFIG_LIBUNWIND_AARCH64)
653     CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT    662     CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
654     LDFLAGS += -lunwind-aarch64                   663     LDFLAGS += -lunwind-aarch64
655     EXTLIBS_LIBUNWIND += -lunwind-aarch64         664     EXTLIBS_LIBUNWIND += -lunwind-aarch64
656     have_libunwind = 1                            665     have_libunwind = 1
657     $(call feature_check,libunwind-debug-frame    666     $(call feature_check,libunwind-debug-frame-aarch64)
658     ifneq ($(feature-libunwind-debug-frame-aar    667     ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
659       $(warning No debug_frame support found i    668       $(warning No debug_frame support found in libunwind-aarch64)
660       CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AAR    669       CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
661     endif                                         670     endif
662   endif                                           671   endif
663                                                   672 
664   ifneq ($(feature-libunwind), 1)                 673   ifneq ($(feature-libunwind), 1)
665     $(warning No libunwind found. Please insta    674     $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR)
666     NO_LOCAL_LIBUNWIND := 1                       675     NO_LOCAL_LIBUNWIND := 1
667   else                                            676   else
668     have_libunwind := 1                           677     have_libunwind := 1
669     $(call detected,CONFIG_LOCAL_LIBUNWIND)       678     $(call detected,CONFIG_LOCAL_LIBUNWIND)
670   endif                                           679   endif
671                                                   680 
672   ifneq ($(have_libunwind), 1)                    681   ifneq ($(have_libunwind), 1)
673     NO_LIBUNWIND := 1                             682     NO_LIBUNWIND := 1
674   endif                                           683   endif
675 else                                              684 else
676   NO_LOCAL_LIBUNWIND := 1                         685   NO_LOCAL_LIBUNWIND := 1
677 endif                                             686 endif
678                                                   687 
679 ifndef NO_LIBBPF                                  688 ifndef NO_LIBBPF
680   ifneq ($(feature-bpf), 1)                       689   ifneq ($(feature-bpf), 1)
681     $(warning BPF API too old. Please install     690     $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
682     NO_LIBBPF := 1                                691     NO_LIBBPF := 1
683   endif                                           692   endif
684 endif                                             693 endif
685                                                   694 
686 ifndef BUILD_BPF_SKEL                             695 ifndef BUILD_BPF_SKEL
687   # BPF skeletons control a large number of pe    696   # BPF skeletons control a large number of perf features, by default
688   # they are enabled.                             697   # they are enabled.
689   BUILD_BPF_SKEL := 1                             698   BUILD_BPF_SKEL := 1
690 endif                                             699 endif
691                                                   700 
692 ifeq ($(BUILD_BPF_SKEL),1)                        701 ifeq ($(BUILD_BPF_SKEL),1)
693   ifeq ($(filter -DHAVE_LIBELF_SUPPORT, $(CFLA    702   ifeq ($(filter -DHAVE_LIBELF_SUPPORT, $(CFLAGS)),)
694     $(warning Warning: Disabled BPF skeletons     703     $(warning Warning: Disabled BPF skeletons as libelf is required by bpftool)
695     BUILD_BPF_SKEL := 0                           704     BUILD_BPF_SKEL := 0
696   else ifeq ($(filter -DHAVE_ZLIB_SUPPORT, $(C    705   else ifeq ($(filter -DHAVE_ZLIB_SUPPORT, $(CFLAGS)),)
697     $(warning Warning: Disabled BPF skeletons     706     $(warning Warning: Disabled BPF skeletons as zlib is required by bpftool)
698     BUILD_BPF_SKEL := 0                           707     BUILD_BPF_SKEL := 0
699   else ifeq ($(filter -DHAVE_LIBBPF_SUPPORT, $    708   else ifeq ($(filter -DHAVE_LIBBPF_SUPPORT, $(CFLAGS)),)
700     $(warning Warning: Disabled BPF skeletons     709     $(warning Warning: Disabled BPF skeletons as libbpf is required)
701     BUILD_BPF_SKEL := 0                           710     BUILD_BPF_SKEL := 0
702   else ifeq ($(call get-executable,$(CLANG)),)    711   else ifeq ($(call get-executable,$(CLANG)),)
703     $(warning Warning: Disabled BPF skeletons     712     $(warning Warning: Disabled BPF skeletons as clang ($(CLANG)) is missing)
704     BUILD_BPF_SKEL := 0                           713     BUILD_BPF_SKEL := 0
705   else                                            714   else
706     CLANG_VERSION := $(shell $(CLANG) --versio    715     CLANG_VERSION := $(shell $(CLANG) --version | head -1 | sed 's/.*clang version \([[:digit:]]\+.[[:digit:]]\+.[[:digit:]]\+\).*/\1/g')
707     ifeq ($(call version-lt3,$(CLANG_VERSION),    716     ifeq ($(call version-lt3,$(CLANG_VERSION),12.0.1),1)
708       $(warning Warning: Disabled BPF skeleton    717       $(warning Warning: Disabled BPF skeletons as reliable BTF generation needs at least $(CLANG) version 12.0.1)
709       BUILD_BPF_SKEL := 0                         718       BUILD_BPF_SKEL := 0
710     endif                                         719     endif
711   endif                                           720   endif
712   ifeq ($(BUILD_BPF_SKEL),1)                      721   ifeq ($(BUILD_BPF_SKEL),1)
713     $(call feature_check,clang-bpf-co-re)         722     $(call feature_check,clang-bpf-co-re)
714     ifeq ($(feature-clang-bpf-co-re), 0)          723     ifeq ($(feature-clang-bpf-co-re), 0)
715       $(warning Warning: Disabled BPF skeleton    724       $(warning Warning: Disabled BPF skeletons as clang is too old)
716       BUILD_BPF_SKEL := 0                         725       BUILD_BPF_SKEL := 0
717     endif                                         726     endif
718   endif                                           727   endif
719   ifeq ($(BUILD_BPF_SKEL),1)                      728   ifeq ($(BUILD_BPF_SKEL),1)
720     $(call detected,CONFIG_PERF_BPF_SKEL)         729     $(call detected,CONFIG_PERF_BPF_SKEL)
721     CFLAGS += -DHAVE_BPF_SKEL                     730     CFLAGS += -DHAVE_BPF_SKEL
722   endif                                           731   endif
723 endif                                             732 endif
724                                                   733 
725 ifndef GEN_VMLINUX_H                              734 ifndef GEN_VMLINUX_H
726   VMLINUX_H=$(src-perf)/util/bpf_skel/vmlinux/    735   VMLINUX_H=$(src-perf)/util/bpf_skel/vmlinux/vmlinux.h
727 endif                                             736 endif
728                                                   737 
729 dwarf-post-unwind := 1                            738 dwarf-post-unwind := 1
730 dwarf-post-unwind-text := BUG                     739 dwarf-post-unwind-text := BUG
731                                                   740 
732 # setup DWARF post unwinder                       741 # setup DWARF post unwinder
733 ifdef NO_LIBUNWIND                                742 ifdef NO_LIBUNWIND
734   ifdef NO_LIBDW_DWARF_UNWIND                     743   ifdef NO_LIBDW_DWARF_UNWIND
735     $(warning Disabling post unwind, no suppor    744     $(warning Disabling post unwind, no support found.)
736     dwarf-post-unwind := 0                        745     dwarf-post-unwind := 0
737   else                                            746   else
738     dwarf-post-unwind-text := libdw               747     dwarf-post-unwind-text := libdw
739     $(call detected,CONFIG_LIBDW_DWARF_UNWIND)    748     $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
740   endif                                           749   endif
741 else                                              750 else
742   dwarf-post-unwind-text := libunwind             751   dwarf-post-unwind-text := libunwind
743   $(call detected,CONFIG_LIBUNWIND)               752   $(call detected,CONFIG_LIBUNWIND)
744   # Enable libunwind support by default.          753   # Enable libunwind support by default.
745   ifndef NO_LIBDW_DWARF_UNWIND                    754   ifndef NO_LIBDW_DWARF_UNWIND
746     NO_LIBDW_DWARF_UNWIND := 1                    755     NO_LIBDW_DWARF_UNWIND := 1
747   endif                                           756   endif
748 endif                                             757 endif
749                                                   758 
750 ifeq ($(dwarf-post-unwind),1)                     759 ifeq ($(dwarf-post-unwind),1)
751   CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT           760   CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
752   $(call detected,CONFIG_DWARF_UNWIND)            761   $(call detected,CONFIG_DWARF_UNWIND)
753 else                                              762 else
754   NO_DWARF_UNWIND := 1                            763   NO_DWARF_UNWIND := 1
755 endif                                             764 endif
756                                                   765 
757 ifndef NO_LOCAL_LIBUNWIND                         766 ifndef NO_LOCAL_LIBUNWIND
758   ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm    767   ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
759     $(call feature_check,libunwind-debug-frame    768     $(call feature_check,libunwind-debug-frame)
760     ifneq ($(feature-libunwind-debug-frame), 1    769     ifneq ($(feature-libunwind-debug-frame), 1)
761       $(warning No debug_frame support found i    770       $(warning No debug_frame support found in libunwind)
762       CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME        771       CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
763     endif                                         772     endif
764   else                                            773   else
765     # non-ARM has no dwarf_find_debug_frame()     774     # non-ARM has no dwarf_find_debug_frame() function:
766     CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME          775     CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
767   endif                                           776   endif
768   EXTLIBS += $(LIBUNWIND_LIBS)                    777   EXTLIBS += $(LIBUNWIND_LIBS)
769   LDFLAGS += $(LIBUNWIND_LIBS)                    778   LDFLAGS += $(LIBUNWIND_LIBS)
770 endif                                             779 endif
771 ifeq ($(findstring -static,${LDFLAGS}),-static    780 ifeq ($(findstring -static,${LDFLAGS}),-static)
772   # gcc -static links libgcc_eh which contans     781   # gcc -static links libgcc_eh which contans piece of libunwind
773   LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-de    782   LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
774 endif                                             783 endif
775                                                   784 
776 ifndef NO_LIBUNWIND                               785 ifndef NO_LIBUNWIND
777   CFLAGS  += -DHAVE_LIBUNWIND_SUPPORT             786   CFLAGS  += -DHAVE_LIBUNWIND_SUPPORT
778   CFLAGS  += $(LIBUNWIND_CFLAGS)                  787   CFLAGS  += $(LIBUNWIND_CFLAGS)
779   LDFLAGS += $(LIBUNWIND_LDFLAGS)                 788   LDFLAGS += $(LIBUNWIND_LDFLAGS)
780   EXTLIBS += $(EXTLIBS_LIBUNWIND)                 789   EXTLIBS += $(EXTLIBS_LIBUNWIND)
781 endif                                             790 endif
782                                                   791 
783 ifneq ($(NO_LIBTRACEEVENT),1)                     792 ifneq ($(NO_LIBTRACEEVENT),1)
784   ifeq ($(NO_SYSCALL_TABLE),0)                    793   ifeq ($(NO_SYSCALL_TABLE),0)
785     $(call detected,CONFIG_TRACE)                 794     $(call detected,CONFIG_TRACE)
786   else                                            795   else
787     ifndef NO_LIBAUDIT                            796     ifndef NO_LIBAUDIT
788       $(call feature_check,libaudit)              797       $(call feature_check,libaudit)
789       ifneq ($(feature-libaudit), 1)              798       ifneq ($(feature-libaudit), 1)
790         $(warning No libaudit.h found, disable    799         $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev)
791         NO_LIBAUDIT := 1                          800         NO_LIBAUDIT := 1
792       else                                        801       else
793         CFLAGS += -DHAVE_LIBAUDIT_SUPPORT         802         CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
794         EXTLIBS += -laudit                        803         EXTLIBS += -laudit
795         $(call detected,CONFIG_TRACE)             804         $(call detected,CONFIG_TRACE)
796       endif                                       805       endif
797     endif                                         806     endif
798   endif                                           807   endif
799 endif                                             808 endif
800                                                   809 
801 ifndef NO_LIBCRYPTO                               810 ifndef NO_LIBCRYPTO
802   ifneq ($(feature-libcrypto), 1)                 811   ifneq ($(feature-libcrypto), 1)
803     $(warning No libcrypto.h found, disables j    812     $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev)
804     NO_LIBCRYPTO := 1                             813     NO_LIBCRYPTO := 1
805   else                                            814   else
806     CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT            815     CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
807     EXTLIBS += -lcrypto                           816     EXTLIBS += -lcrypto
808     $(call detected,CONFIG_CRYPTO)                817     $(call detected,CONFIG_CRYPTO)
809   endif                                           818   endif
810 endif                                             819 endif
811                                                   820 
812 ifndef NO_SLANG                                   821 ifndef NO_SLANG
813   ifneq ($(feature-libslang), 1)                  822   ifneq ($(feature-libslang), 1)
814     ifneq ($(feature-libslang-include-subdir),    823     ifneq ($(feature-libslang-include-subdir), 1)
815       $(warning slang not found, disables TUI     824       $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev)
816       NO_SLANG := 1                               825       NO_SLANG := 1
817     else                                          826     else
818       CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR       827       CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR
819     endif                                         828     endif
820   endif                                           829   endif
821   ifndef NO_SLANG                                 830   ifndef NO_SLANG
822     # Fedora has /usr/include/slang/slang.h, b    831     # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
823     CFLAGS += -DHAVE_SLANG_SUPPORT                832     CFLAGS += -DHAVE_SLANG_SUPPORT
824     EXTLIBS += -lslang                            833     EXTLIBS += -lslang
825     $(call detected,CONFIG_SLANG)                 834     $(call detected,CONFIG_SLANG)
826   endif                                           835   endif
827 endif                                             836 endif
828                                                   837 
829 ifdef GTK2                                        838 ifdef GTK2
830   FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $    839   FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
831   $(call feature_check,gtk2)                      840   $(call feature_check,gtk2)
832   ifneq ($(feature-gtk2), 1)                      841   ifneq ($(feature-gtk2), 1)
833     $(warning GTK2 not found, disables GTK2 su    842     $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev)
834     NO_GTK2 := 1                                  843     NO_GTK2 := 1
835   else                                            844   else
836     $(call feature_check,gtk2-infobar)            845     $(call feature_check,gtk2-infobar)
837     ifeq ($(feature-gtk2-infobar), 1)             846     ifeq ($(feature-gtk2-infobar), 1)
838       GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPOR    847       GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
839     endif                                         848     endif
840     CFLAGS += -DHAVE_GTK2_SUPPORT                 849     CFLAGS += -DHAVE_GTK2_SUPPORT
841     GTK_CFLAGS += $(shell $(PKG_CONFIG) --cfla    850     GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
842     GTK_LIBS := $(shell $(PKG_CONFIG) --libs g    851     GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
843     EXTLIBS += -ldl                               852     EXTLIBS += -ldl
844   endif                                           853   endif
845 endif                                             854 endif
846                                                   855 
847 ifdef NO_LIBPERL                                  856 ifdef NO_LIBPERL
848   CFLAGS += -DNO_LIBPERL                          857   CFLAGS += -DNO_LIBPERL
849 else                                              858 else
850   PERL_EMBED_LDOPTS = $(shell perl -MExtUtils:    859   PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
851   PERL_EMBED_LDFLAGS = $(call strip-libs,$(PER    860   PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
852   PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_    861   PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
853   PERL_EMBED_CCOPTS = $(shell perl -MExtUtils:    862   PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
854   PERL_EMBED_CCOPTS := $(filter-out -specs=%,$    863   PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
855   PERL_EMBED_CCOPTS := $(filter-out -flto=auto    864   PERL_EMBED_CCOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(PERL_EMBED_CCOPTS))
856   PERL_EMBED_LDOPTS := $(filter-out -specs=%,$    865   PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
857   FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL    866   FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
858                                                   867 
859   ifneq ($(feature-libperl), 1)                   868   ifneq ($(feature-libperl), 1)
860     CFLAGS += -DNO_LIBPERL                        869     CFLAGS += -DNO_LIBPERL
861     NO_LIBPERL := 1                               870     NO_LIBPERL := 1
862     $(warning Missing perl devel files. Disabl    871     $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev)
863   else                                            872   else
864     LDFLAGS += $(PERL_EMBED_LDFLAGS)              873     LDFLAGS += $(PERL_EMBED_LDFLAGS)
865     EXTLIBS += $(PERL_EMBED_LIBADD)               874     EXTLIBS += $(PERL_EMBED_LIBADD)
866     CFLAGS += -DHAVE_LIBPERL_SUPPORT              875     CFLAGS += -DHAVE_LIBPERL_SUPPORT
867     ifeq ($(CC_NO_CLANG), 0)                      876     ifeq ($(CC_NO_CLANG), 0)
868       CFLAGS += -Wno-compound-token-split-by-m    877       CFLAGS += -Wno-compound-token-split-by-macro
869     endif                                         878     endif
870     $(call detected,CONFIG_LIBPERL)               879     $(call detected,CONFIG_LIBPERL)
871   endif                                           880   endif
872 endif                                             881 endif
873                                                   882 
874 ifeq ($(feature-timerfd), 1)                      883 ifeq ($(feature-timerfd), 1)
875   CFLAGS += -DHAVE_TIMERFD_SUPPORT                884   CFLAGS += -DHAVE_TIMERFD_SUPPORT
876 else                                              885 else
877   $(warning No timerfd support. Disables 'perf    886   $(warning No timerfd support. Disables 'perf kvm stat live')
878 endif                                             887 endif
879                                                   888 
880 disable-python = $(eval $(disable-python_code)    889 disable-python = $(eval $(disable-python_code))
881 define disable-python_code                        890 define disable-python_code
882   CFLAGS += -DNO_LIBPYTHON                        891   CFLAGS += -DNO_LIBPYTHON
883   $(warning $1)                                   892   $(warning $1)
884   NO_LIBPYTHON := 1                               893   NO_LIBPYTHON := 1
885 endef                                             894 endef
886                                                   895 
887 PYTHON_EXTENSION_SUFFIX := '.so'                  896 PYTHON_EXTENSION_SUFFIX := '.so'
888 ifdef NO_LIBPYTHON                                897 ifdef NO_LIBPYTHON
889   $(call disable-python,Python support disable    898   $(call disable-python,Python support disabled by user)
890 else                                              899 else
891                                                   900 
892   ifndef PYTHON                                   901   ifndef PYTHON
893     $(call disable-python,No python interprete    902     $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
894   else                                            903   else
895     PYTHON_WORD := $(call shell-wordify,$(PYTH    904     PYTHON_WORD := $(call shell-wordify,$(PYTHON))
896                                                   905 
897     ifndef PYTHON_CONFIG                          906     ifndef PYTHON_CONFIG
898       $(call disable-python,No 'python-config'    907       $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
899     else                                          908     else
900                                                   909 
901       ifneq ($(feature-libpython), 1)             910       ifneq ($(feature-libpython), 1)
902         $(call disable-python,No 'Python.h' wa    911         $(call disable-python,No 'Python.h' was found: disables Python support - please install python-devel/python-dev)
903       else                                        912       else
904          LDFLAGS += $(PYTHON_EMBED_LDFLAGS)       913          LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
905          EXTLIBS += $(PYTHON_EMBED_LIBADD)        914          EXTLIBS += $(PYTHON_EMBED_LIBADD)
906          PYTHON_SETUPTOOLS_INSTALLED := $(shel    915          PYTHON_SETUPTOOLS_INSTALLED := $(shell $(PYTHON) -c 'import setuptools;' 2> /dev/null && echo "yes" || echo "no")
907          ifeq ($(PYTHON_SETUPTOOLS_INSTALLED),    916          ifeq ($(PYTHON_SETUPTOOLS_INSTALLED), yes)
908            PYTHON_EXTENSION_SUFFIX := $(shell     917            PYTHON_EXTENSION_SUFFIX := $(shell $(PYTHON) -c 'from importlib import machinery; print(machinery.EXTENSION_SUFFIXES[0])')
909            ifdef CROSS_COMPILE                    918            ifdef CROSS_COMPILE
910              PYTHON_EXTENSION_SUFFIX := $(subs    919              PYTHON_EXTENSION_SUFFIX := $(subst $(PYTHON_NATIVE),$(shell $(CC) -dumpmachine),$(PYTHON_EXTENSION_SUFFIX))
911            endif                                  920            endif
912            LANG_BINDINGS += $(obj-perf)python/    921            LANG_BINDINGS += $(obj-perf)python/perf$(PYTHON_EXTENSION_SUFFIX)
913          else                                     922          else
914            $(warning Missing python setuptools    923            $(warning Missing python setuptools, the python binding won't be built, please install python3-setuptools or equivalent)
915          endif                                    924          endif
916          CFLAGS += -DHAVE_LIBPYTHON_SUPPORT       925          CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
917          $(call detected,CONFIG_LIBPYTHON)        926          $(call detected,CONFIG_LIBPYTHON)
918          ifeq ($(filter -fPIC,$(CFLAGS)),)        927          ifeq ($(filter -fPIC,$(CFLAGS)),)
919            # Building a shared library require    928            # Building a shared library requires position independent code.
920            CFLAGS += -fPIC                        929            CFLAGS += -fPIC
921            CXXFLAGS += -fPIC                      930            CXXFLAGS += -fPIC
922          endif                                    931          endif
923       endif                                       932       endif
924     endif                                         933     endif
925   endif                                           934   endif
926 endif                                             935 endif
927                                                   936 
928 ifneq ($(NO_JEVENTS),1)                           937 ifneq ($(NO_JEVENTS),1)
929   ifeq ($(wildcard pmu-events/arch/$(SRCARCH)/    938   ifeq ($(wildcard pmu-events/arch/$(SRCARCH)/mapfile.csv),)
930     NO_JEVENTS := 1                               939     NO_JEVENTS := 1
931   endif                                           940   endif
932 endif                                             941 endif
933 ifneq ($(NO_JEVENTS),1)                           942 ifneq ($(NO_JEVENTS),1)
934   NO_JEVENTS := 0                                 943   NO_JEVENTS := 0
935   ifndef PYTHON                                   944   ifndef PYTHON
936     $(error ERROR: No python interpreter neede    945     $(error ERROR: No python interpreter needed for jevents generation. Install python or build with NO_JEVENTS=1.)
937   else                                            946   else
938     # jevents.py uses f-strings present in Pyt    947     # jevents.py uses f-strings present in Python 3.6 released in Dec. 2016.
939     JEVENTS_PYTHON_GOOD := $(shell $(PYTHON) -    948     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)             949     ifneq ($(JEVENTS_PYTHON_GOOD), 1)
941       $(error ERROR: Python interpreter needed    950       $(error ERROR: Python interpreter needed for jevents generation too old (older than 3.6). Install a newer python or build with NO_JEVENTS=1.)
942     endif                                         951     endif
943   endif                                           952   endif
944 endif                                             953 endif
945                                                   954 
946 ifdef BUILD_NONDISTRO                             955 ifdef BUILD_NONDISTRO
947   ifeq ($(feature-libbfd), 1)                     956   ifeq ($(feature-libbfd), 1)
948     EXTLIBS += -lbfd -lopcodes                    957     EXTLIBS += -lbfd -lopcodes
949   else                                            958   else
950     # we are on a system that requires -libert    959     # we are on a system that requires -liberty and (maybe) -lz
951     # to link against -lbfd; test each case in    960     # to link against -lbfd; test each case individually here
952                                                   961 
953     # call all detections now so we get correc    962     # call all detections now so we get correct
954     # status in VF output                         963     # status in VF output
955     $(call feature_check,libbfd-liberty)          964     $(call feature_check,libbfd-liberty)
956     $(call feature_check,libbfd-liberty-z)        965     $(call feature_check,libbfd-liberty-z)
957                                                   966 
958     ifeq ($(feature-libbfd-liberty), 1)           967     ifeq ($(feature-libbfd-liberty), 1)
959       EXTLIBS += -lbfd -lopcodes -liberty         968       EXTLIBS += -lbfd -lopcodes -liberty
960       FEATURE_CHECK_LDFLAGS-disassembler-four-    969       FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl
961       FEATURE_CHECK_LDFLAGS-disassembler-init-    970       FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -ldl
962     else                                          971     else
963       ifeq ($(feature-libbfd-liberty-z), 1)       972       ifeq ($(feature-libbfd-liberty-z), 1)
964         EXTLIBS += -lbfd -lopcodes -liberty -l    973         EXTLIBS += -lbfd -lopcodes -liberty -lz
965         FEATURE_CHECK_LDFLAGS-disassembler-fou    974         FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl
966         FEATURE_CHECK_LDFLAGS-disassembler-ini    975         FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -lz -ldl
967       endif                                       976       endif
968     endif                                         977     endif
969     $(call feature_check,disassembler-four-arg    978     $(call feature_check,disassembler-four-args)
970     $(call feature_check,disassembler-init-sty    979     $(call feature_check,disassembler-init-styled)
971   endif                                           980   endif
972                                                   981 
973   CFLAGS += -DHAVE_LIBBFD_SUPPORT                 982   CFLAGS += -DHAVE_LIBBFD_SUPPORT
974   CXXFLAGS += -DHAVE_LIBBFD_SUPPORT               983   CXXFLAGS += -DHAVE_LIBBFD_SUPPORT
975   ifeq ($(feature-libbfd-buildid), 1)             984   ifeq ($(feature-libbfd-buildid), 1)
976     CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT       985     CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT
977   else                                            986   else
978     $(warning Old version of libbfd/binutils t    987     $(warning Old version of libbfd/binutils things like PE executable profiling will not be available)
979   endif                                           988   endif
980 endif                                             989 endif
981                                                   990 
982 ifndef NO_LIBLLVM                              << 
983   $(call feature_check,llvm-perf)              << 
984   ifeq ($(feature-llvm-perf), 1)               << 
985     CFLAGS += -DHAVE_LIBLLVM_SUPPORT           << 
986     CFLAGS += $(shell $(LLVM_CONFIG) --cflags) << 
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                                         << 
994     $(warning No libllvm 13+ found, slower sou << 
995     NO_LIBLLVM := 1                            << 
996   endif                                        << 
997 endif                                          << 
998                                                << 
999 ifndef NO_DEMANGLE                                991 ifndef NO_DEMANGLE
1000   $(call feature_check,cxa-demangle)             992   $(call feature_check,cxa-demangle)
1001   ifeq ($(feature-cxa-demangle), 1)              993   ifeq ($(feature-cxa-demangle), 1)
1002     EXTLIBS += -lstdc++                          994     EXTLIBS += -lstdc++
1003     CFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT        995     CFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT
1004     CXXFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT      996     CXXFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT
1005     $(call detected,CONFIG_CXX_DEMANGLE)         997     $(call detected,CONFIG_CXX_DEMANGLE)
1006   endif                                          998   endif
1007   ifdef BUILD_NONDISTRO                          999   ifdef BUILD_NONDISTRO
1008     ifeq ($(filter -liberty,$(EXTLIBS)),)        1000     ifeq ($(filter -liberty,$(EXTLIBS)),)
1009       $(call feature_check,cplus-demangle)       1001       $(call feature_check,cplus-demangle)
1010       ifeq ($(feature-cplus-demangle), 1)        1002       ifeq ($(feature-cplus-demangle), 1)
1011         EXTLIBS += -liberty                      1003         EXTLIBS += -liberty
1012       endif                                      1004       endif
1013     endif                                        1005     endif
1014     ifneq ($(filter -liberty,$(EXTLIBS)),)       1006     ifneq ($(filter -liberty,$(EXTLIBS)),)
1015       CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT    1007       CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
1016       CXXFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPO    1008       CXXFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
1017     endif                                        1009     endif
1018   endif                                          1010   endif
1019 endif                                            1011 endif
1020                                                  1012 
1021 ifndef NO_LZMA                                   1013 ifndef NO_LZMA
1022   ifeq ($(feature-lzma), 1)                      1014   ifeq ($(feature-lzma), 1)
1023     CFLAGS += -DHAVE_LZMA_SUPPORT                1015     CFLAGS += -DHAVE_LZMA_SUPPORT
1024     EXTLIBS += -llzma                            1016     EXTLIBS += -llzma
1025     $(call detected,CONFIG_LZMA)                 1017     $(call detected,CONFIG_LZMA)
1026   else                                           1018   else
1027     $(warning No liblzma found, disables xz k    1019     $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev)
1028     NO_LZMA := 1                                 1020     NO_LZMA := 1
1029   endif                                          1021   endif
1030 endif                                            1022 endif
1031                                                  1023 
1032 ifndef NO_LIBZSTD                                1024 ifndef NO_LIBZSTD
1033   ifeq ($(feature-libzstd), 1)                   1025   ifeq ($(feature-libzstd), 1)
1034     CFLAGS += -DHAVE_ZSTD_SUPPORT                1026     CFLAGS += -DHAVE_ZSTD_SUPPORT
1035     CFLAGS += $(LIBZSTD_CFLAGS)                  1027     CFLAGS += $(LIBZSTD_CFLAGS)
1036     LDFLAGS += $(LIBZSTD_LDFLAGS)                1028     LDFLAGS += $(LIBZSTD_LDFLAGS)
1037     EXTLIBS += -lzstd                            1029     EXTLIBS += -lzstd
1038     $(call detected,CONFIG_ZSTD)                 1030     $(call detected,CONFIG_ZSTD)
1039   else                                           1031   else
1040     $(warning No libzstd found, disables trac    1032     $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR)
1041     NO_LIBZSTD := 1                              1033     NO_LIBZSTD := 1
                                                   >> 1034   endif
                                                   >> 1035 endif
                                                   >> 1036 
                                                   >> 1037 ifndef NO_LIBCAP
                                                   >> 1038   ifeq ($(feature-libcap), 1)
                                                   >> 1039     CFLAGS += -DHAVE_LIBCAP_SUPPORT
                                                   >> 1040     EXTLIBS += -lcap
                                                   >> 1041     $(call detected,CONFIG_LIBCAP)
                                                   >> 1042   else
                                                   >> 1043     $(warning No libcap found, disables capability support, please install libcap-devel/libcap-dev)
                                                   >> 1044     NO_LIBCAP := 1
1042   endif                                          1045   endif
1043 endif                                            1046 endif
1044                                                  1047 
1045 ifndef NO_BACKTRACE                              1048 ifndef NO_BACKTRACE
1046   ifeq ($(feature-backtrace), 1)                 1049   ifeq ($(feature-backtrace), 1)
1047     CFLAGS += -DHAVE_BACKTRACE_SUPPORT           1050     CFLAGS += -DHAVE_BACKTRACE_SUPPORT
1048   endif                                          1051   endif
1049 endif                                            1052 endif
1050                                                  1053 
1051 ifndef NO_LIBNUMA                                1054 ifndef NO_LIBNUMA
1052   ifeq ($(feature-libnuma), 0)                   1055   ifeq ($(feature-libnuma), 0)
1053     $(warning No numa.h found, disables 'perf    1056     $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev)
1054     NO_LIBNUMA := 1                              1057     NO_LIBNUMA := 1
1055   else                                           1058   else
1056     ifeq ($(feature-numa_num_possible_cpus),     1059     ifeq ($(feature-numa_num_possible_cpus), 0)
1057       $(warning Old numa library found, disab    1060       $(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                            1061       NO_LIBNUMA := 1
1059     else                                         1062     else
1060       CFLAGS += -DHAVE_LIBNUMA_SUPPORT           1063       CFLAGS += -DHAVE_LIBNUMA_SUPPORT
1061       EXTLIBS += -lnuma                          1064       EXTLIBS += -lnuma
1062       $(call detected,CONFIG_NUMA)               1065       $(call detected,CONFIG_NUMA)
1063     endif                                        1066     endif
1064   endif                                          1067   endif
1065 endif                                            1068 endif
1066                                                  1069 
1067 ifdef HAVE_KVM_STAT_SUPPORT                      1070 ifdef HAVE_KVM_STAT_SUPPORT
1068     CFLAGS += -DHAVE_KVM_STAT_SUPPORT            1071     CFLAGS += -DHAVE_KVM_STAT_SUPPORT
1069 endif                                            1072 endif
1070                                                  1073 
1071 ifeq ($(feature-disassembler-four-args), 1)      1074 ifeq ($(feature-disassembler-four-args), 1)
1072     CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE       1075     CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
1073 endif                                            1076 endif
1074                                                  1077 
1075 ifeq ($(feature-disassembler-init-styled), 1)    1078 ifeq ($(feature-disassembler-init-styled), 1)
1076     CFLAGS += -DDISASM_INIT_STYLED               1079     CFLAGS += -DDISASM_INIT_STYLED
1077 endif                                            1080 endif
1078                                                  1081 
1079 ifeq (${IS_64_BIT}, 1)                           1082 ifeq (${IS_64_BIT}, 1)
1080   ifndef NO_PERF_READ_VDSO32                     1083   ifndef NO_PERF_READ_VDSO32
1081     $(call feature_check,compile-32)             1084     $(call feature_check,compile-32)
1082     ifeq ($(feature-compile-32), 1)              1085     ifeq ($(feature-compile-32), 1)
1083       CFLAGS += -DHAVE_PERF_READ_VDSO32          1086       CFLAGS += -DHAVE_PERF_READ_VDSO32
1084     else                                         1087     else
1085       NO_PERF_READ_VDSO32 := 1                   1088       NO_PERF_READ_VDSO32 := 1
1086     endif                                        1089     endif
1087   endif                                          1090   endif
1088   ifneq ($(SRCARCH), x86)                        1091   ifneq ($(SRCARCH), x86)
1089     NO_PERF_READ_VDSOX32 := 1                    1092     NO_PERF_READ_VDSOX32 := 1
1090   endif                                          1093   endif
1091   ifndef NO_PERF_READ_VDSOX32                    1094   ifndef NO_PERF_READ_VDSOX32
1092     $(call feature_check,compile-x32)            1095     $(call feature_check,compile-x32)
1093     ifeq ($(feature-compile-x32), 1)             1096     ifeq ($(feature-compile-x32), 1)
1094       CFLAGS += -DHAVE_PERF_READ_VDSOX32         1097       CFLAGS += -DHAVE_PERF_READ_VDSOX32
1095     else                                         1098     else
1096       NO_PERF_READ_VDSOX32 := 1                  1099       NO_PERF_READ_VDSOX32 := 1
1097     endif                                        1100     endif
1098   endif                                          1101   endif
1099 else                                             1102 else
1100   NO_PERF_READ_VDSO32 := 1                       1103   NO_PERF_READ_VDSO32 := 1
1101   NO_PERF_READ_VDSOX32 := 1                      1104   NO_PERF_READ_VDSOX32 := 1
1102 endif                                            1105 endif
1103                                                  1106 
1104 ifndef NO_LIBBABELTRACE                          1107 ifndef NO_LIBBABELTRACE
1105   $(call feature_check,libbabeltrace)            1108   $(call feature_check,libbabeltrace)
1106   ifeq ($(feature-libbabeltrace), 1)             1109   ifeq ($(feature-libbabeltrace), 1)
1107     CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(    1110     CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
1108     LDFLAGS += $(LIBBABELTRACE_LDFLAGS)          1111     LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
1109     EXTLIBS += -lbabeltrace-ctf                  1112     EXTLIBS += -lbabeltrace-ctf
1110     $(call detected,CONFIG_LIBBABELTRACE)        1113     $(call detected,CONFIG_LIBBABELTRACE)
1111   else                                           1114   else
1112     $(warning No libbabeltrace found, disable    1115     $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev)
1113   endif                                          1116   endif
1114 endif                                            1117 endif
1115                                                  1118 
1116 ifndef NO_CAPSTONE                               1119 ifndef NO_CAPSTONE
1117   $(call feature_check,libcapstone)              1120   $(call feature_check,libcapstone)
1118   ifeq ($(feature-libcapstone), 1)               1121   ifeq ($(feature-libcapstone), 1)
1119     CFLAGS += -DHAVE_LIBCAPSTONE_SUPPORT $(LI    1122     CFLAGS += -DHAVE_LIBCAPSTONE_SUPPORT $(LIBCAPSTONE_CFLAGS)
1120     LDFLAGS += $(LICAPSTONE_LDFLAGS)             1123     LDFLAGS += $(LICAPSTONE_LDFLAGS)
1121     EXTLIBS += -lcapstone                        1124     EXTLIBS += -lcapstone
1122     $(call detected,CONFIG_LIBCAPSTONE)          1125     $(call detected,CONFIG_LIBCAPSTONE)
1123   else                                           1126   else
1124     msg := $(warning No libcapstone found, di    1127     msg := $(warning No libcapstone found, disables disasm engine support for 'perf script', please install libcapstone-dev/capstone-devel);
1125   endif                                          1128   endif
1126 endif                                            1129 endif
1127                                                  1130 
1128 ifndef NO_AUXTRACE                               1131 ifndef NO_AUXTRACE
1129   ifeq ($(SRCARCH),x86)                          1132   ifeq ($(SRCARCH),x86)
1130     ifeq ($(feature-get_cpuid), 0)               1133     ifeq ($(feature-get_cpuid), 0)
1131       $(warning Your gcc lacks the __get_cpui    1134       $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc)
1132       NO_AUXTRACE := 1                           1135       NO_AUXTRACE := 1
1133     endif                                        1136     endif
1134   endif                                          1137   endif
1135   ifndef NO_AUXTRACE                             1138   ifndef NO_AUXTRACE
1136     $(call detected,CONFIG_AUXTRACE)             1139     $(call detected,CONFIG_AUXTRACE)
1137     CFLAGS += -DHAVE_AUXTRACE_SUPPORT            1140     CFLAGS += -DHAVE_AUXTRACE_SUPPORT
1138     ifeq ($(feature-reallocarray), 0)            1141     ifeq ($(feature-reallocarray), 0)
1139       CFLAGS += -DCOMPAT_NEED_REALLOCARRAY       1142       CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
1140     endif                                        1143     endif
1141   endif                                          1144   endif
1142 endif                                            1145 endif
1143                                                  1146 
1144 ifdef EXTRA_TESTS                                1147 ifdef EXTRA_TESTS
1145     $(call detected,CONFIG_EXTRA_TESTS)          1148     $(call detected,CONFIG_EXTRA_TESTS)
1146     CFLAGS += -DHAVE_EXTRA_TESTS                 1149     CFLAGS += -DHAVE_EXTRA_TESTS
1147 endif                                            1150 endif
1148                                                  1151 
1149 ifndef NO_JVMTI                                  1152 ifndef NO_JVMTI
1150   ifneq (,$(wildcard /usr/sbin/update-java-al    1153   ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
1151     JDIR=$(shell /usr/sbin/update-java-altern    1154     JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
1152   else                                           1155   else
1153     ifneq (,$(wildcard /usr/sbin/alternatives    1156     ifneq (,$(wildcard /usr/sbin/alternatives))
1154       JDIR=$(shell /usr/sbin/alternatives --d    1157       JDIR=$(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                                        1158     endif
1156   endif                                          1159   endif
1157   ifndef JDIR                                    1160   ifndef JDIR
1158     $(warning No alternatives command found,     1161     $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
1159     NO_JVMTI := 1                                1162     NO_JVMTI := 1
1160   endif                                          1163   endif
1161 endif                                            1164 endif
1162                                                  1165 
1163 ifndef NO_JVMTI                                  1166 ifndef NO_JVMTI
1164   FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/inc    1167   FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
1165   $(call feature_check,jvmti)                    1168   $(call feature_check,jvmti)
1166   ifeq ($(feature-jvmti), 1)                     1169   ifeq ($(feature-jvmti), 1)
1167     $(call detected_var,JDIR)                    1170     $(call detected_var,JDIR)
1168     ifndef NO_JVMTI_CMLR                         1171     ifndef NO_JVMTI_CMLR
1169       FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FE    1172       FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti)
1170       $(call feature_check,jvmti-cmlr)           1173       $(call feature_check,jvmti-cmlr)
1171       ifeq ($(feature-jvmti-cmlr), 1)            1174       ifeq ($(feature-jvmti-cmlr), 1)
1172         CFLAGS += -DHAVE_JVMTI_CMLR              1175         CFLAGS += -DHAVE_JVMTI_CMLR
1173       endif                                      1176       endif
1174     endif # NO_JVMTI_CMLR                        1177     endif # NO_JVMTI_CMLR
1175   else                                           1178   else
1176     $(warning No openjdk development package     1179     $(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                                1180     NO_JVMTI := 1
1178   endif                                          1181   endif
1179 endif                                            1182 endif
1180                                                  1183 
1181 ifndef NO_LIBPFM4                                1184 ifndef NO_LIBPFM4
1182   $(call feature_check,libpfm4)                  1185   $(call feature_check,libpfm4)
1183   ifeq ($(feature-libpfm4), 1)                   1186   ifeq ($(feature-libpfm4), 1)
1184     CFLAGS += -DHAVE_LIBPFM                      1187     CFLAGS += -DHAVE_LIBPFM
1185     EXTLIBS += -lpfm                             1188     EXTLIBS += -lpfm
1186     ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1             1189     ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1
1187     $(call detected,CONFIG_LIBPFM4)              1190     $(call detected,CONFIG_LIBPFM4)
1188   else                                           1191   else
1189     $(warning libpfm4 not found, disables lib    1192     $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev)
1190   endif                                          1193   endif
1191 endif                                            1194 endif
1192                                                  1195 
1193 # libtraceevent is a recommended dependency p    1196 # libtraceevent is a recommended dependency picked up from the system.
1194 ifneq ($(NO_LIBTRACEEVENT),1)                    1197 ifneq ($(NO_LIBTRACEEVENT),1)
1195   $(call feature_check,libtraceevent)            1198   $(call feature_check,libtraceevent)
1196   ifeq ($(feature-libtraceevent), 1)             1199   ifeq ($(feature-libtraceevent), 1)
1197     CFLAGS += -DHAVE_LIBTRACEEVENT               1200     CFLAGS += -DHAVE_LIBTRACEEVENT
1198     LDFLAGS += $(shell $(PKG_CONFIG) --libs-o    1201     LDFLAGS += $(shell $(PKG_CONFIG) --libs-only-L libtraceevent)
1199     EXTLIBS += $(shell $(PKG_CONFIG) --libs-o    1202     EXTLIBS += $(shell $(PKG_CONFIG) --libs-only-l libtraceevent)
1200     LIBTRACEEVENT_VERSION := $(shell $(PKG_CO    1203     LIBTRACEEVENT_VERSION := $(shell $(PKG_CONFIG) --modversion libtraceevent).0.0
1201     LIBTRACEEVENT_VERSION_1 := $(word 1, $(su    1204     LIBTRACEEVENT_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEEVENT_VERSION)))
1202     LIBTRACEEVENT_VERSION_2 := $(word 2, $(su    1205     LIBTRACEEVENT_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEEVENT_VERSION)))
1203     LIBTRACEEVENT_VERSION_3 := $(word 3, $(su    1206     LIBTRACEEVENT_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEEVENT_VERSION)))
1204     LIBTRACEEVENT_VERSION_CPP := $(shell expr    1207     LIBTRACEEVENT_VERSION_CPP := $(shell expr $(LIBTRACEEVENT_VERSION_1) \* 255 \* 255 + $(LIBTRACEEVENT_VERSION_2) \* 255 + $(LIBTRACEEVENT_VERSION_3))
1205     CFLAGS += -DLIBTRACEEVENT_VERSION=$(LIBTR    1208     CFLAGS += -DLIBTRACEEVENT_VERSION=$(LIBTRACEEVENT_VERSION_CPP)
1206     $(call detected,CONFIG_LIBTRACEEVENT)        1209     $(call detected,CONFIG_LIBTRACEEVENT)
1207   else                                           1210   else
1208     $(error ERROR: libtraceevent is missing.     1211     $(error ERROR: libtraceevent is missing. Please install libtraceevent-dev/libtraceevent-devel and/or set LIBTRACEEVENT_DIR or build with NO_LIBTRACEEVENT=1)
1209   endif                                          1212   endif
1210                                                  1213 
1211   $(call feature_check,libtracefs)               1214   $(call feature_check,libtracefs)
1212   ifeq ($(feature-libtracefs), 1)                1215   ifeq ($(feature-libtracefs), 1)
1213     CFLAGS +=  $(shell $(PKG_CONFIG) --cflags    1216     CFLAGS +=  $(shell $(PKG_CONFIG) --cflags libtracefs)
1214     LDFLAGS += $(shell $(PKG_CONFIG) --libs-o    1217     LDFLAGS += $(shell $(PKG_CONFIG) --libs-only-L libtracefs)
1215     EXTLIBS += $(shell $(PKG_CONFIG) --libs-o    1218     EXTLIBS += $(shell $(PKG_CONFIG) --libs-only-l libtracefs)
1216     LIBTRACEFS_VERSION := $(shell $(PKG_CONFI    1219     LIBTRACEFS_VERSION := $(shell $(PKG_CONFIG) --modversion libtracefs).0.0
1217     LIBTRACEFS_VERSION_1 := $(word 1, $(subst    1220     LIBTRACEFS_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEFS_VERSION)))
1218     LIBTRACEFS_VERSION_2 := $(word 2, $(subst    1221     LIBTRACEFS_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEFS_VERSION)))
1219     LIBTRACEFS_VERSION_3 := $(word 3, $(subst    1222     LIBTRACEFS_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEFS_VERSION)))
1220     LIBTRACEFS_VERSION_CPP := $(shell expr $(    1223     LIBTRACEFS_VERSION_CPP := $(shell expr $(LIBTRACEFS_VERSION_1) \* 255 \* 255 + $(LIBTRACEFS_VERSION_2) \* 255 + $(LIBTRACEFS_VERSION_3))
1221     CFLAGS += -DLIBTRACEFS_VERSION=$(LIBTRACE    1224     CFLAGS += -DLIBTRACEFS_VERSION=$(LIBTRACEFS_VERSION_CPP)
1222   else                                           1225   else
1223     $(warning libtracefs is missing. Please i    1226     $(warning libtracefs is missing. Please install libtracefs-dev/libtracefs-devel)
1224   endif                                          1227   endif
1225 endif                                            1228 endif
1226                                                  1229 
1227 # Among the variables below, these:              1230 # Among the variables below, these:
1228 #   perfexecdir                                  1231 #   perfexecdir
1229 #   libbpf_include_dir                           1232 #   libbpf_include_dir
1230 #   perf_examples_dir                            1233 #   perf_examples_dir
1231 #   template_dir                                 1234 #   template_dir
1232 #   mandir                                       1235 #   mandir
1233 #   infodir                                      1236 #   infodir
1234 #   htmldir                                      1237 #   htmldir
1235 #   ETC_PERFCONFIG (but not sysconfdir)          1238 #   ETC_PERFCONFIG (but not sysconfdir)
1236 # can be specified as a relative path some/wh    1239 # can be specified as a relative path some/where/else;
1237 # this is interpreted as relative to $(prefix    1240 # this is interpreted as relative to $(prefix) and "perf" at
1238 # runtime figures out where they are based on    1241 # runtime figures out where they are based on the path to the executable.
1239 # This can help installing the suite in a rel    1242 # This can help installing the suite in a relocatable way.
1240                                                  1243 
1241 # Make the path relative to DESTDIR, not to p    1244 # Make the path relative to DESTDIR, not to prefix
1242 ifndef DESTDIR                                   1245 ifndef DESTDIR
1243 prefix ?= $(HOME)                                1246 prefix ?= $(HOME)
1244 endif                                            1247 endif
1245 bindir_relative = bin                            1248 bindir_relative = bin
1246 bindir = $(abspath $(prefix)/$(bindir_relativ    1249 bindir = $(abspath $(prefix)/$(bindir_relative))
1247 includedir_relative = include                    1250 includedir_relative = include
1248 includedir = $(abspath $(prefix)/$(includedir    1251 includedir = $(abspath $(prefix)/$(includedir_relative))
1249 mandir = share/man                               1252 mandir = share/man
1250 infodir = share/info                             1253 infodir = share/info
1251 perfexecdir = libexec/perf-core                  1254 perfexecdir = libexec/perf-core
1252 # FIXME: system's libbpf header directory, wh    1255 # FIXME: system's libbpf header directory, where we expect to find bpf/bpf_helpers.h, for instance
1253 libbpf_include_dir = /usr/include                1256 libbpf_include_dir = /usr/include
1254 perf_examples_dir = lib/perf/examples            1257 perf_examples_dir = lib/perf/examples
1255 sharedir = $(prefix)/share                       1258 sharedir = $(prefix)/share
1256 template_dir = share/perf-core/templates         1259 template_dir = share/perf-core/templates
1257 STRACE_GROUPS_DIR = share/perf-core/strace/gr    1260 STRACE_GROUPS_DIR = share/perf-core/strace/groups
1258 htmldir = share/doc/perf-doc                     1261 htmldir = share/doc/perf-doc
1259 tipdir = share/doc/perf-tip                      1262 tipdir = share/doc/perf-tip
1260 srcdir = $(srctree)/tools/perf                   1263 srcdir = $(srctree)/tools/perf
1261 ifeq ($(prefix),/usr)                            1264 ifeq ($(prefix),/usr)
1262 sysconfdir = /etc                                1265 sysconfdir = /etc
1263 ETC_PERFCONFIG = $(sysconfdir)/perfconfig        1266 ETC_PERFCONFIG = $(sysconfdir)/perfconfig
1264 else                                             1267 else
1265 sysconfdir = $(prefix)/etc                       1268 sysconfdir = $(prefix)/etc
1266 ETC_PERFCONFIG = etc/perfconfig                  1269 ETC_PERFCONFIG = etc/perfconfig
1267 endif                                            1270 endif
1268 ifndef lib                                       1271 ifndef lib
1269 ifeq ($(SRCARCH)$(IS_64_BIT), x861)              1272 ifeq ($(SRCARCH)$(IS_64_BIT), x861)
1270 lib = lib64                                      1273 lib = lib64
1271 else                                             1274 else
1272 lib = lib                                        1275 lib = lib
1273 endif                                            1276 endif
1274 endif # lib                                      1277 endif # lib
1275 libdir = $(prefix)/$(lib)                        1278 libdir = $(prefix)/$(lib)
1276                                                  1279 
1277 # Shell quote (do not use $(call) to accommod    1280 # Shell quote (do not use $(call) to accommodate ancient setups);
1278 ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERF    1281 ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
1279 STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRAC    1282 STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
1280 DESTDIR_SQ = $(subst ','\'',$(DESTDIR))          1283 DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
1281 bindir_SQ = $(subst ','\'',$(bindir))            1284 bindir_SQ = $(subst ','\'',$(bindir))
1282 includedir_SQ = $(subst ','\'',$(includedir))    1285 includedir_SQ = $(subst ','\'',$(includedir))
1283 mandir_SQ = $(subst ','\'',$(mandir))            1286 mandir_SQ = $(subst ','\'',$(mandir))
1284 infodir_SQ = $(subst ','\'',$(infodir))          1287 infodir_SQ = $(subst ','\'',$(infodir))
1285 perfexecdir_SQ = $(subst ','\'',$(perfexecdir    1288 perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
1286 libbpf_include_dir_SQ = $(subst ','\'',$(libb    1289 libbpf_include_dir_SQ = $(subst ','\'',$(libbpf_include_dir))
1287 perf_examples_dir_SQ = $(subst ','\'',$(perf_    1290 perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir))
1288 template_dir_SQ = $(subst ','\'',$(template_d    1291 template_dir_SQ = $(subst ','\'',$(template_dir))
1289 htmldir_SQ = $(subst ','\'',$(htmldir))          1292 htmldir_SQ = $(subst ','\'',$(htmldir))
1290 tipdir_SQ = $(subst ','\'',$(tipdir))            1293 tipdir_SQ = $(subst ','\'',$(tipdir))
1291 prefix_SQ = $(subst ','\'',$(prefix))            1294 prefix_SQ = $(subst ','\'',$(prefix))
1292 sysconfdir_SQ = $(subst ','\'',$(sysconfdir))    1295 sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
1293 libdir_SQ = $(subst ','\'',$(libdir))            1296 libdir_SQ = $(subst ','\'',$(libdir))
1294 srcdir_SQ = $(subst ','\'',$(srcdir))            1297 srcdir_SQ = $(subst ','\'',$(srcdir))
1295                                                  1298 
1296 ifneq ($(filter /%,$(firstword $(perfexecdir)    1299 ifneq ($(filter /%,$(firstword $(perfexecdir))),)
1297 perfexec_instdir = $(perfexecdir)                1300 perfexec_instdir = $(perfexecdir)
1298 perf_include_instdir = $(libbpf_include_dir)     1301 perf_include_instdir = $(libbpf_include_dir)
1299 perf_examples_instdir = $(perf_examples_dir)     1302 perf_examples_instdir = $(perf_examples_dir)
1300 STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)     1303 STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
1301 tip_instdir = $(tipdir)                          1304 tip_instdir = $(tipdir)
1302 else                                             1305 else
1303 perfexec_instdir = $(prefix)/$(perfexecdir)      1306 perfexec_instdir = $(prefix)/$(perfexecdir)
1304 perf_include_instdir = $(prefix)/$(libbpf_inc    1307 perf_include_instdir = $(prefix)/$(libbpf_include_dir)
1305 perf_examples_instdir = $(prefix)/$(perf_exam    1308 perf_examples_instdir = $(prefix)/$(perf_examples_dir)
1306 STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GR    1309 STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
1307 tip_instdir = $(prefix)/$(tipdir)                1310 tip_instdir = $(prefix)/$(tipdir)
1308 endif                                            1311 endif
1309 perfexec_instdir_SQ = $(subst ','\'',$(perfex    1312 perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
1310 perf_include_instdir_SQ = $(subst ','\'',$(pe    1313 perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir))
1311 perf_examples_instdir_SQ = $(subst ','\'',$(p    1314 perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir))
1312 STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(S    1315 STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
1313 tip_instdir_SQ = $(subst ','\'',$(tip_instdir    1316 tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
1314                                                  1317 
1315 export perfexec_instdir_SQ                       1318 export perfexec_instdir_SQ
1316                                                  1319 
1317 print_var = $(eval $(print_var_code)) $(info     1320 print_var = $(eval $(print_var_code)) $(info $(MSG))
1318 define print_var_code                            1321 define print_var_code
1319     MSG = $(shell printf '...%40s: %s' $(1) $    1322     MSG = $(shell printf '...%40s: %s' $(1) $($(1)))
1320 endef                                            1323 endef
1321                                                  1324 
1322 ifeq ($(feature_display),1)                      1325 ifeq ($(feature_display),1)
1323   $(call feature_display_entries)                1326   $(call feature_display_entries)
1324 endif                                            1327 endif
1325                                                  1328 
1326 ifeq ($(VF),1)                                   1329 ifeq ($(VF),1)
1327   # Display EXTRA features which are detected    1330   # Display EXTRA features which are detected manualy
1328   # from here with feature_check call and thu    1331   # from here with feature_check call and thus cannot
1329   # be partof global state output.               1332   # be partof global state output.
1330   $(foreach feat,$(FEATURE_TESTS_EXTRA),$(cal    1333   $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),) $(info $(MSG)))
1331   $(call print_var,prefix)                       1334   $(call print_var,prefix)
1332   $(call print_var,bindir)                       1335   $(call print_var,bindir)
1333   $(call print_var,libdir)                       1336   $(call print_var,libdir)
1334   $(call print_var,sysconfdir)                   1337   $(call print_var,sysconfdir)
1335   $(call print_var,LIBUNWIND_DIR)                1338   $(call print_var,LIBUNWIND_DIR)
1336   $(call print_var,LIBDW_DIR)                    1339   $(call print_var,LIBDW_DIR)
1337   $(call print_var,JDIR)                         1340   $(call print_var,JDIR)
1338                                                  1341 
1339   ifeq ($(dwarf-post-unwind),1)                  1342   ifeq ($(dwarf-post-unwind),1)
1340     $(call feature_print_text,"DWARF post unw    1343     $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text)) $(info $(MSG))
1341   endif                                          1344   endif
1342 endif                                            1345 endif
1343                                                  1346 
1344 $(info )                                         1347 $(info )
1345                                                  1348 
1346 $(call detected_var,bindir_SQ)                   1349 $(call detected_var,bindir_SQ)
1347 $(call detected_var,PYTHON_WORD)                 1350 $(call detected_var,PYTHON_WORD)
1348 ifneq ($(OUTPUT),)                               1351 ifneq ($(OUTPUT),)
1349 $(call detected_var,OUTPUT)                      1352 $(call detected_var,OUTPUT)
1350 endif                                            1353 endif
1351 $(call detected_var,htmldir_SQ)                  1354 $(call detected_var,htmldir_SQ)
1352 $(call detected_var,infodir_SQ)                  1355 $(call detected_var,infodir_SQ)
1353 $(call detected_var,mandir_SQ)                   1356 $(call detected_var,mandir_SQ)
1354 $(call detected_var,ETC_PERFCONFIG_SQ)           1357 $(call detected_var,ETC_PERFCONFIG_SQ)
1355 $(call detected_var,STRACE_GROUPS_DIR_SQ)        1358 $(call detected_var,STRACE_GROUPS_DIR_SQ)
1356 $(call detected_var,prefix_SQ)                   1359 $(call detected_var,prefix_SQ)
1357 $(call detected_var,perfexecdir_SQ)              1360 $(call detected_var,perfexecdir_SQ)
1358 $(call detected_var,libbpf_include_dir_SQ)       1361 $(call detected_var,libbpf_include_dir_SQ)
1359 $(call detected_var,perf_examples_dir_SQ)        1362 $(call detected_var,perf_examples_dir_SQ)
1360 $(call detected_var,tipdir_SQ)                   1363 $(call detected_var,tipdir_SQ)
1361 $(call detected_var,srcdir_SQ)                   1364 $(call detected_var,srcdir_SQ)
1362 $(call detected_var,LIBDIR)                      1365 $(call detected_var,LIBDIR)
1363 $(call detected_var,GTK_CFLAGS)                  1366 $(call detected_var,GTK_CFLAGS)
1364 $(call detected_var,PERL_EMBED_CCOPTS)           1367 $(call detected_var,PERL_EMBED_CCOPTS)
1365 $(call detected_var,PYTHON_EMBED_CCOPTS)         1368 $(call detected_var,PYTHON_EMBED_CCOPTS)
1366 ifneq ($(BISON_FILE_PREFIX_MAP),)                1369 ifneq ($(BISON_FILE_PREFIX_MAP),)
1367 $(call detected_var,BISON_FILE_PREFIX_MAP)       1370 $(call detected_var,BISON_FILE_PREFIX_MAP)
1368 endif                                            1371 endif
1369                                                  1372 
1370 # re-generate FEATURE-DUMP as we may have cal    1373 # re-generate FEATURE-DUMP as we may have called feature_check, found out
1371 # extra libraries to add to LDFLAGS of some o    1374 # extra libraries to add to LDFLAGS of some other test and then redo those
1372 # tests, see the block about libbfd, disassem    1375 # tests, see the block about libbfd, disassembler-four-args, for instance.
1373 $(shell rm -f $(FEATURE_DUMP_FILENAME))          1376 $(shell rm -f $(FEATURE_DUMP_FILENAME))
1374 $(foreach feat,$(FEATURE_TESTS),$(shell echo     1377 $(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME)))
                                                      

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