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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-4.15.18)


  1 # SPDX-License-Identifier: GPL-2.0-only        << 
  2                                                     1 
  3 ifeq ($(src-perf),)                                 2 ifeq ($(src-perf),)
  4 src-perf := $(srctree)/tools/perf                   3 src-perf := $(srctree)/tools/perf
  5 endif                                               4 endif
  6                                                     5 
  7 ifeq ($(obj-perf),)                                 6 ifeq ($(obj-perf),)
  8 obj-perf := $(OUTPUT)                               7 obj-perf := $(OUTPUT)
  9 endif                                               8 endif
 10                                                     9 
 11 ifneq ($(obj-perf),)                               10 ifneq ($(obj-perf),)
 12 obj-perf := $(abspath $(obj-perf))/                11 obj-perf := $(abspath $(obj-perf))/
 13 endif                                              12 endif
 14                                                    13 
 15 $(shell printf "" > $(OUTPUT).config-detected)     14 $(shell printf "" > $(OUTPUT).config-detected)
 16 detected     = $(shell echo "$(1)=y"       >>      15 detected     = $(shell echo "$(1)=y"       >> $(OUTPUT).config-detected)
 17 detected_var = $(shell echo "$(1)=$($(1))" >>      16 detected_var = $(shell echo "$(1)=$($(1))" >> $(OUTPUT).config-detected)
 18                                                    17 
 19 CFLAGS := $(EXTRA_CFLAGS) $(filter-out -Wneste !!  18 CFLAGS := $(EXTRA_CFLAGS) $(EXTRA_WARNINGS)
 20 HOSTCFLAGS := $(filter-out -Wnested-externs,$( << 
 21                                                << 
 22 # Enabled Wthread-safety analysis for clang bu << 
 23 ifeq ($(CC_NO_CLANG), 0)                       << 
 24   CFLAGS += -Wthread-safety                    << 
 25 endif                                          << 
 26                                                    19 
 27 include $(srctree)/tools/scripts/Makefile.arch     20 include $(srctree)/tools/scripts/Makefile.arch
 28                                                    21 
 29 $(call detected_var,SRCARCH)                       22 $(call detected_var,SRCARCH)
 30                                                    23 
 31 ifneq ($(NO_SYSCALL_TABLE),1)                  !!  24 NO_PERF_REGS := 1
 32   NO_SYSCALL_TABLE := 1                        << 
 33                                                << 
 34   ifeq ($(SRCARCH),$(filter $(SRCARCH),x86 pow << 
 35     NO_SYSCALL_TABLE := 0                      << 
 36   endif                                        << 
 37                                                << 
 38   ifneq ($(NO_SYSCALL_TABLE),1)                << 
 39     CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT     << 
 40   endif                                        << 
 41 endif                                          << 
 42                                                    25 
 43 # Additional ARCH settings for ppc                 26 # Additional ARCH settings for ppc
 44 ifeq ($(SRCARCH),powerpc)                          27 ifeq ($(SRCARCH),powerpc)
 45   CFLAGS += -I$(OUTPUT)arch/powerpc/include/ge !!  28   NO_PERF_REGS := 0
 46   LIBUNWIND_LIBS := -lunwind -lunwind-ppc64        29   LIBUNWIND_LIBS := -lunwind -lunwind-ppc64
 47 endif                                              30 endif
 48                                                    31 
 49 # Additional ARCH settings for x86                 32 # Additional ARCH settings for x86
 50 ifeq ($(SRCARCH),x86)                              33 ifeq ($(SRCARCH),x86)
 51   $(call detected,CONFIG_X86)                      34   $(call detected,CONFIG_X86)
 52   CFLAGS += -I$(OUTPUT)arch/x86/include/genera << 
 53   ifeq (${IS_64_BIT}, 1)                           35   ifeq (${IS_64_BIT}, 1)
 54     CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT       !!  36     CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT -DHAVE_SYSCALL_TABLE -I$(OUTPUT)arch/x86/include/generated
 55     ARCH_INCLUDE = ../../arch/x86/lib/memcpy_6     37     ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
 56     LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind      38     LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind -llzma
 57     $(call detected,CONFIG_X86_64)                 39     $(call detected,CONFIG_X86_64)
 58   else                                             40   else
 59     LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunw     41     LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind
 60   endif                                            42   endif
                                                   >>  43   NO_PERF_REGS := 0
 61 endif                                              44 endif
 62                                                    45 
 63 ifeq ($(SRCARCH),arm)                              46 ifeq ($(SRCARCH),arm)
                                                   >>  47   NO_PERF_REGS := 0
 64   LIBUNWIND_LIBS = -lunwind -lunwind-arm           48   LIBUNWIND_LIBS = -lunwind -lunwind-arm
 65 endif                                              49 endif
 66                                                    50 
 67 ifeq ($(SRCARCH),arm64)                            51 ifeq ($(SRCARCH),arm64)
 68   CFLAGS += -I$(OUTPUT)arch/arm64/include/gene !!  52   NO_PERF_REGS := 0
 69   LIBUNWIND_LIBS = -lunwind -lunwind-aarch64       53   LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
 70 endif                                              54 endif
 71                                                    55 
 72 ifeq ($(SRCARCH),loongarch)                    << 
 73   CFLAGS += -I$(OUTPUT)arch/loongarch/include/ << 
 74   LIBUNWIND_LIBS = -lunwind -lunwind-loongarch << 
 75 endif                                          << 
 76                                                << 
 77 ifeq ($(ARCH),s390)                                56 ifeq ($(ARCH),s390)
 78   CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include !!  57   NO_PERF_REGS := 0
 79 endif                                              58 endif
 80                                                    59 
 81 ifeq ($(ARCH),mips)                            !!  60 ifeq ($(NO_PERF_REGS),0)
 82   CFLAGS += -I$(OUTPUT)arch/mips/include/gener !!  61   $(call detected,CONFIG_PERF_REGS)
 83   LIBUNWIND_LIBS = -lunwind -lunwind-mips      << 
 84 endif                                              62 endif
 85                                                    63 
 86 # So far there's only x86 and arm libdw unwind     64 # So far there's only x86 and arm libdw unwind support merged in perf.
 87 # Disable it on all other architectures in cas     65 # Disable it on all other architectures in case libdw unwind
 88 # support is detected in system. Add supported     66 # support is detected in system. Add supported architectures
 89 # to the check.                                    67 # to the check.
 90 ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm  !!  68 ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm powerpc s390))
 91   NO_LIBDW_DWARF_UNWIND := 1                       69   NO_LIBDW_DWARF_UNWIND := 1
 92 endif                                              70 endif
 93                                                    71 
 94 ifeq ($(LIBUNWIND_LIBS),)                          72 ifeq ($(LIBUNWIND_LIBS),)
 95   NO_LIBUNWIND := 1                                73   NO_LIBUNWIND := 1
 96 endif                                              74 endif
 97 #                                                  75 #
 98 # For linking with debug library, run like:        76 # For linking with debug library, run like:
 99 #                                                  77 #
100 #   make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/     78 #   make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
101 #                                                  79 #
102                                                    80 
103 libunwind_arch_set_flags = $(eval $(libunwind_     81 libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
104 define libunwind_arch_set_flags_code               82 define libunwind_arch_set_flags_code
105   FEATURE_CHECK_CFLAGS-libunwind-$(1)  = -I$(L     83   FEATURE_CHECK_CFLAGS-libunwind-$(1)  = -I$(LIBUNWIND_DIR)/include
106   FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(L     84   FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
107 endef                                              85 endef
108                                                    86 
109 ifdef LIBUNWIND_DIR                                87 ifdef LIBUNWIND_DIR
110   LIBUNWIND_CFLAGS  = -I$(LIBUNWIND_DIR)/inclu     88   LIBUNWIND_CFLAGS  = -I$(LIBUNWIND_DIR)/include
111   LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib       89   LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
112   LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 deb !!  90   LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64
113   $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),     91   $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
114 endif                                              92 endif
115                                                    93 
116 # Set per-feature check compilation flags          94 # Set per-feature check compilation flags
117 FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_C     95 FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
118 FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_     96 FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
119 FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $     97 FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
120 FEATURE_CHECK_LDFLAGS-libunwind-debug-frame =      98 FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
121                                                    99 
122 FEATURE_CHECK_LDFLAGS-libunwind-arm += -lunwin !! 100 ifeq ($(NO_PERF_REGS),0)
123 FEATURE_CHECK_LDFLAGS-libunwind-aarch64 += -lu !! 101   CFLAGS += -DHAVE_PERF_REGS_SUPPORT
124 FEATURE_CHECK_LDFLAGS-libunwind-x86 += -lunwin << 
125 FEATURE_CHECK_LDFLAGS-libunwind-x86_64 += -lun << 
126                                                << 
127 FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto     << 
128                                                << 
129 ifdef CSINCLUDES                               << 
130   LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)         << 
131 endif                                             102 endif
132 OPENCSDLIBS := -lopencsd_c_api -lopencsd       << 
133 ifeq ($(findstring -static,${LDFLAGS}),-static << 
134   OPENCSDLIBS += -lstdc++                      << 
135 endif                                          << 
136 ifdef CSLIBS                                   << 
137   LIBOPENCSD_LDFLAGS := -L$(CSLIBS)            << 
138 endif                                          << 
139 FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCS << 
140 FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENC << 
141                                                   103 
142 # for linking with debug library, run like:       104 # for linking with debug library, run like:
143 # make DEBUG=1 LIBDW_DIR=/opt/libdw/              105 # make DEBUG=1 LIBDW_DIR=/opt/libdw/
144 ifdef LIBDW_DIR                                   106 ifdef LIBDW_DIR
145   LIBDW_CFLAGS  := -I$(LIBDW_DIR)/include         107   LIBDW_CFLAGS  := -I$(LIBDW_DIR)/include
146   LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib             108   LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
147 endif                                             109 endif
148 DWARFLIBS := -ldw                                 110 DWARFLIBS := -ldw
149 ifeq ($(findstring -static,${LDFLAGS}),-static    111 ifeq ($(findstring -static,${LDFLAGS}),-static)
150   DWARFLIBS += -lelf -lz -llzma -lbz2 -lzstd   !! 112   DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2
151                                                << 
152   LIBDW_VERSION := $(shell $(PKG_CONFIG) --mod << 
153   LIBDW_VERSION_1 := $(word 1, $(subst ., ,$(L << 
154   LIBDW_VERSION_2 := $(word 2, $(subst ., ,$(L << 
155                                                << 
156   # Elfutils merged libebl.a into libdw.a star << 
157   # Link libebl.a only if libdw is older than  << 
158   ifeq ($(shell test $(LIBDW_VERSION_2) -lt 17 << 
159     DWARFLIBS += -lebl                         << 
160   endif                                        << 
161                                                << 
162   # Must put -ldl after -lebl for dependency   << 
163   DWARFLIBS += -ldl                            << 
164 endif                                             113 endif
165 FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(L    114 FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
166 FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(    115 FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS)
167                                                   116 
168 # for linking with debug library, run like:       117 # for linking with debug library, run like:
169 # make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabel    118 # make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
170 ifdef LIBBABELTRACE_DIR                           119 ifdef LIBBABELTRACE_DIR
171   LIBBABELTRACE_CFLAGS  := -I$(LIBBABELTRACE_D    120   LIBBABELTRACE_CFLAGS  := -I$(LIBBABELTRACE_DIR)/include
172   LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_D    121   LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
173 endif                                             122 endif
174 FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBAB    123 FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
175 FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBA    124 FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
176                                                   125 
177 # for linking with debug library, run like:    << 
178 # make DEBUG=1 LIBCAPSTONE_DIR=/opt/capstone/  << 
179 ifdef LIBCAPSTONE_DIR                          << 
180   LIBCAPSTONE_CFLAGS  := -I$(LIBCAPSTONE_DIR)/ << 
181   LIBCAPSTONE_LDFLAGS := -L$(LIBCAPSTONE_DIR)/ << 
182 endif                                          << 
183 FEATURE_CHECK_CFLAGS-libcapstone := $(LIBCAPST << 
184 FEATURE_CHECK_LDFLAGS-libcapstone := $(LIBCAPS << 
185                                                << 
186 ifdef LIBZSTD_DIR                              << 
187   LIBZSTD_CFLAGS  := -I$(LIBZSTD_DIR)/lib      << 
188   LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib      << 
189 endif                                          << 
190 FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLA << 
191 FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDF << 
192                                                << 
193 # for linking with debug library, run like:    << 
194 # make DEBUG=1 PKG_CONFIG_PATH=/opt/libtraceev << 
195                                                << 
196 ifneq ($(NO_LIBTRACEEVENT),1)                  << 
197   ifeq ($(call get-executable,$(PKG_CONFIG)),) << 
198     $(error Error: $(PKG_CONFIG) needed by lib << 
199   endif                                        << 
200 endif                                          << 
201                                                << 
202 FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/to    126 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                    127 # include ARCH specific config
204 -include $(src-perf)/arch/$(SRCARCH)/Makefile     128 -include $(src-perf)/arch/$(SRCARCH)/Makefile
205                                                   129 
206 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSE    130 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
207   CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OF    131   CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
208 endif                                             132 endif
209                                                   133 
210 include $(srctree)/tools/scripts/utilities.mak    134 include $(srctree)/tools/scripts/utilities.mak
211                                                   135 
212 ifeq ($(call get-executable,$(FLEX)),)            136 ifeq ($(call get-executable,$(FLEX)),)
213   $(error Error: $(FLEX) is missing on this sy !! 137   dummy := $(error Error: $(FLEX) is missing on this system, please install it)
214 endif                                             138 endif
215                                                   139 
216 ifeq ($(call get-executable,$(BISON)),)           140 ifeq ($(call get-executable,$(BISON)),)
217   $(error Error: $(BISON) is missing on this s !! 141   dummy := $(error Error: $(BISON) is missing on this system, please install it)
218 endif                                          << 
219                                                << 
220 ifneq ($(OUTPUT),)                             << 
221   ifeq ($(shell expr $(shell $(BISON) --versio << 
222     BISON_FILE_PREFIX_MAP := --file-prefix-map << 
223   endif                                        << 
224 endif                                             142 endif
225                                                   143 
226 # Treat warnings as errors unless directed not    144 # Treat warnings as errors unless directed not to
227 ifneq ($(WERROR),0)                               145 ifneq ($(WERROR),0)
228   CORE_CFLAGS += -Werror                       !! 146   CFLAGS += -Werror
229   CXXFLAGS += -Werror                             147   CXXFLAGS += -Werror
230   HOSTCFLAGS += -Werror                        << 
231 endif                                             148 endif
232                                                   149 
233 ifndef DEBUG                                      150 ifndef DEBUG
234   DEBUG := 0                                      151   DEBUG := 0
235 endif                                             152 endif
236                                                   153 
237 ifeq ($(DEBUG),0)                                 154 ifeq ($(DEBUG),0)
238 CORE_CFLAGS += -DNDEBUG=1                      !! 155 ifeq ($(CC_NO_CLANG), 0)
239 CORE_CFLAGS += -O3                             !! 156   CFLAGS += -O3
240 else                                              157 else
241   CORE_CFLAGS += -g                            !! 158   CFLAGS += -O6
242   CXXFLAGS += -g                               !! 159 endif
243 endif                                             160 endif
244                                                   161 
245 ifdef PARSER_DEBUG                                162 ifdef PARSER_DEBUG
246   PARSER_DEBUG_BISON := -t                        163   PARSER_DEBUG_BISON := -t
247   PARSER_DEBUG_FLEX  := -d                        164   PARSER_DEBUG_FLEX  := -d
248   CFLAGS             += -DPARSER_DEBUG            165   CFLAGS             += -DPARSER_DEBUG
249   $(call detected_var,PARSER_DEBUG_BISON)         166   $(call detected_var,PARSER_DEBUG_BISON)
250   $(call detected_var,PARSER_DEBUG_FLEX)          167   $(call detected_var,PARSER_DEBUG_FLEX)
251 endif                                             168 endif
252                                                   169 
253 ifdef LTO                                      << 
254   CORE_CFLAGS += -flto                         << 
255   CXXFLAGS += -flto                            << 
256 endif                                          << 
257                                                << 
258 # Try different combinations to accommodate sy    170 # Try different combinations to accommodate systems that only have
259 # python[2][3]-config in weird combinations in !! 171 # python[2][-config] in weird combinations but always preferring
260 # priority from lowest to highest:             !! 172 # python2 and python2-config as per pep-0394. If we catch a
261 #   * python2-config as per pep-0394.          !! 173 # python[-config] in version 3, the version check will kill it.
262 #   * python-config                            !! 174 PYTHON2 := $(if $(call get-executable,python2),python2,python)
263 #   * python3-config                           !! 175 override PYTHON := $(call get-executable-or-default,PYTHON,$(PYTHON2))
264 #   * $(PYTHON)-config (If PYTHON is user supp !! 176 PYTHON2_CONFIG := \
265 #                                              !! 177   $(if $(call get-executable,$(PYTHON)-config),$(PYTHON)-config,python-config)
266 PYTHON_AUTO := python-config                   !! 178 override PYTHON_CONFIG := \
267 PYTHON_AUTO := $(if $(call get-executable,pyth !! 179   $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON2_CONFIG))
268 PYTHON_AUTO := $(if $(call get-executable,pyth << 
269 PYTHON_AUTO := $(if $(call get-executable,pyth << 
270                                                << 
271 # If PYTHON is defined but PYTHON_CONFIG isn't << 
272 # supplied value for PYTHON_CONFIG. Because it << 
273 ifdef PYTHON                                   << 
274   ifndef PYTHON_CONFIG                         << 
275     PYTHON_CONFIG_AUTO := $(call get-executabl << 
276     PYTHON_CONFIG := $(if $(PYTHON_CONFIG_AUTO << 
277                           $(call $(error $(PYT << 
278   endif                                        << 
279 endif                                          << 
280                                                << 
281 # Select either auto detected python and pytho << 
282 # defined. get-executable-or-default fails wit << 
283 # doesn't exist.                               << 
284 override PYTHON_CONFIG := $(call get-executabl << 
285 override PYTHON := $(call get-executable-or-de << 
286                                                   180 
287 grep-libs  = $(filter -l%,$(1))                   181 grep-libs  = $(filter -l%,$(1))
288 strip-libs  = $(filter-out -l%,$(1))              182 strip-libs  = $(filter-out -l%,$(1))
289                                                   183 
290 PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_C    184 PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
291                                                   185 
292 # Python 3.8 changed the output of `python-con << 
293 # '-lpythonX.Y' flag unless '--embed' is also  << 
294 # libpython fails if that flag is not included << 
295 ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags -- << 
296   PYTHON_CONFIG_LDFLAGS := --ldflags --embed   << 
297 else                                           << 
298   PYTHON_CONFIG_LDFLAGS := --ldflags           << 
299 endif                                          << 
300                                                << 
301 ifdef PYTHON_CONFIG                               186 ifdef PYTHON_CONFIG
302   PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONF !! 187   PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
303   # Update the python flags for cross compilat << 
304   ifdef CROSS_COMPILE                          << 
305     PYTHON_NATIVE := $(shell echo $(PYTHON_EMB << 
306     PYTHON_EMBED_LDOPTS := $(subst $(PYTHON_NA << 
307   endif                                        << 
308   PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(    188   PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
309   PYTHON_EMBED_LIBADD := $(call grep-libs,$(PY    189   PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
310   PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONF !! 190   PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
                                                   >> 191   PYTHON_EMBED_CCOPTS := $(filter-out -specs=%,$(PYTHON_EMBED_CCOPTS))
311   FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS)    192   FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
312   ifeq ($(CC_NO_CLANG), 0)                     << 
313     PYTHON_EMBED_CCOPTS := $(filter-out -ffat- << 
314   endif                                        << 
315 endif                                             193 endif
316                                                   194 
317 FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMB    195 FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
318 FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EM    196 FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
                                                   >> 197 FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
                                                   >> 198 FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
319                                                   199 
320 FEATURE_CHECK_LDFLAGS-libaio = -lrt            !! 200 CFLAGS += -fno-omit-frame-pointer
321                                                !! 201 CFLAGS += -ggdb3
322 FEATURE_CHECK_LDFLAGS-disassembler-four-args = !! 202 CFLAGS += -funwind-tables
323 FEATURE_CHECK_LDFLAGS-disassembler-init-styled !! 203 CFLAGS += -Wall
324                                                !! 204 CFLAGS += -Wextra
325 CORE_CFLAGS += -fno-omit-frame-pointer         !! 205 CFLAGS += -std=gnu99
326 CORE_CFLAGS += -Wall                           << 
327 CORE_CFLAGS += -Wextra                         << 
328 CORE_CFLAGS += -std=gnu11                      << 
329                                                   206 
330 CXXFLAGS += -std=gnu++17 -fno-exceptions -fno- !! 207 CXXFLAGS += -std=gnu++11 -fno-exceptions -fno-rtti
331 CXXFLAGS += -Wall                                 208 CXXFLAGS += -Wall
332 CXXFLAGS += -Wextra                            << 
333 CXXFLAGS += -fno-omit-frame-pointer               209 CXXFLAGS += -fno-omit-frame-pointer
334                                                !! 210 CXXFLAGS += -ggdb3
335 HOSTCFLAGS += -Wall                            !! 211 CXXFLAGS += -funwind-tables
336 HOSTCFLAGS += -Wextra                          !! 212 CXXFLAGS += -Wno-strict-aliasing
337                                                   213 
338 # Enforce a non-executable stack, as we may re    214 # Enforce a non-executable stack, as we may regress (again) in the future by
339 # adding assembler files missing the .GNU-stac    215 # adding assembler files missing the .GNU-stack linker note.
340 LDFLAGS += -Wl,-z,noexecstack                     216 LDFLAGS += -Wl,-z,noexecstack
341                                                   217 
342 EXTLIBS = -lpthread -lrt -lm -ldl                 218 EXTLIBS = -lpthread -lrt -lm -ldl
343                                                   219 
344 ifneq ($(TCMALLOC),)                           << 
345   CFLAGS += -fno-builtin-malloc -fno-builtin-c << 
346   EXTLIBS += -ltcmalloc                        << 
347 endif                                          << 
348                                                << 
349 ifeq ($(FEATURES_DUMP),)                          220 ifeq ($(FEATURES_DUMP),)
350 # We will display at the end of this Makefile. << 
351 # As we may retry some feature detection here, << 
352   FEATURE_DISPLAY_DEFERRED := 1                << 
353 include $(srctree)/tools/build/Makefile.featur    221 include $(srctree)/tools/build/Makefile.feature
354 else                                              222 else
355 include $(FEATURES_DUMP)                          223 include $(FEATURES_DUMP)
356 endif                                             224 endif
357                                                   225 
358 ifeq ($(feature-stackprotector-all), 1)           226 ifeq ($(feature-stackprotector-all), 1)
359   CORE_CFLAGS += -fstack-protector-all         !! 227   CFLAGS += -fstack-protector-all
360 endif                                             228 endif
361                                                   229 
362 ifeq ($(DEBUG),0)                                 230 ifeq ($(DEBUG),0)
363   ifeq ($(feature-fortify-source), 1)             231   ifeq ($(feature-fortify-source), 1)
364     CORE_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIF !! 232     CFLAGS += -D_FORTIFY_SOURCE=2
365   endif                                           233   endif
366 endif                                             234 endif
367                                                   235 
368 INC_FLAGS += -I$(src-perf)/util/include           236 INC_FLAGS += -I$(src-perf)/util/include
369 INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/inc    237 INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
                                                   >> 238 INC_FLAGS += -I$(srctree)/tools/include/uapi
370 INC_FLAGS += -I$(srctree)/tools/include/          239 INC_FLAGS += -I$(srctree)/tools/include/
371 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH    240 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
372 INC_FLAGS += -I$(srctree)/tools/include/uapi   << 
373 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH    241 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
374 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH    242 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
375                                                   243 
376 # $(obj-perf)      for generated common-cmds.h    244 # $(obj-perf)      for generated common-cmds.h
377 # $(obj-perf)/util for generated bison/flex he    245 # $(obj-perf)/util for generated bison/flex headers
378 ifneq ($(OUTPUT),)                                246 ifneq ($(OUTPUT),)
379 INC_FLAGS += -I$(obj-perf)/util                   247 INC_FLAGS += -I$(obj-perf)/util
380 INC_FLAGS += -I$(obj-perf)                        248 INC_FLAGS += -I$(obj-perf)
381 endif                                             249 endif
382                                                   250 
383 INC_FLAGS += -I$(src-perf)/util                   251 INC_FLAGS += -I$(src-perf)/util
384 INC_FLAGS += -I$(src-perf)                        252 INC_FLAGS += -I$(src-perf)
                                                   >> 253 INC_FLAGS += -I$(srctree)/tools/lib/
385                                                   254 
386 CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_O !! 255 CFLAGS   += $(INC_FLAGS)
387                                                << 
388 CFLAGS   += $(CORE_CFLAGS) $(INC_FLAGS)        << 
389 CXXFLAGS += $(INC_FLAGS)                          256 CXXFLAGS += $(INC_FLAGS)
390                                                   257 
391 LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAG !! 258 CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
392                                                   259 
393 ifeq ($(feature-pthread-attr-setaffinity-np),  !! 260 ifeq ($(feature-sync-compare-and-swap), 1)
394   CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP !! 261   CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
395 endif                                             262 endif
396                                                   263 
397 ifeq ($(feature-pthread-barrier), 1)           !! 264 ifeq ($(feature-pthread-attr-setaffinity-np), 1)
398   CFLAGS += -DHAVE_PTHREAD_BARRIER             !! 265   CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
399 endif                                             266 endif
400                                                   267 
401 ifndef NO_BIONIC                                  268 ifndef NO_BIONIC
402   $(call feature_check,bionic)                    269   $(call feature_check,bionic)
403   ifeq ($(feature-bionic), 1)                     270   ifeq ($(feature-bionic), 1)
404     BIONIC := 1                                   271     BIONIC := 1
405     CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE       << 
406     CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE << 
407     EXTLIBS := $(filter-out -lrt,$(EXTLIBS))      272     EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
408     EXTLIBS := $(filter-out -lpthread,$(EXTLIB    273     EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
409   endif                                           274   endif
410 endif                                             275 endif
411                                                   276 
412 ifeq ($(feature-eventfd), 1)                   << 
413   CFLAGS += -DHAVE_EVENTFD_SUPPORT             << 
414 endif                                          << 
415                                                << 
416 ifeq ($(feature-get_current_dir_name), 1)      << 
417   CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME        << 
418 endif                                          << 
419                                                << 
420 ifeq ($(feature-gettid), 1)                    << 
421   CFLAGS += -DHAVE_GETTID                      << 
422 endif                                          << 
423                                                << 
424 ifeq ($(feature-file-handle), 1)               << 
425   CFLAGS += -DHAVE_FILE_HANDLE                 << 
426 endif                                          << 
427                                                << 
428 ifdef NO_LIBELF                                   277 ifdef NO_LIBELF
429   NO_DWARF := 1                                   278   NO_DWARF := 1
                                                   >> 279   NO_DEMANGLE := 1
430   NO_LIBUNWIND := 1                               280   NO_LIBUNWIND := 1
431   NO_LIBDW_DWARF_UNWIND := 1                      281   NO_LIBDW_DWARF_UNWIND := 1
432   NO_LIBBPF := 1                                  282   NO_LIBBPF := 1
433   NO_JVMTI := 1                                   283   NO_JVMTI := 1
434 else                                              284 else
435   ifeq ($(feature-libelf), 0)                     285   ifeq ($(feature-libelf), 0)
436     ifeq ($(feature-glibc), 1)                    286     ifeq ($(feature-glibc), 1)
437       LIBC_SUPPORT := 1                           287       LIBC_SUPPORT := 1
438     endif                                         288     endif
439     ifeq ($(BIONIC),1)                            289     ifeq ($(BIONIC),1)
440       LIBC_SUPPORT := 1                           290       LIBC_SUPPORT := 1
441     endif                                         291     endif
442     ifeq ($(LIBC_SUPPORT),1)                      292     ifeq ($(LIBC_SUPPORT),1)
443       $(error ERROR: No libelf found. Disables !! 293       msg := $(warning No libelf found. Disables 'probe' tool, jvmti and BPF support in 'perf record'. Please install libelf-dev, libelf-devel or elfutils-libelf-devel);
444     else                                       << 
445       ifneq ($(filter s% -fsanitize=address%,$ << 
446         ifneq ($(shell ldconfig -p | grep liba << 
447           $(error No libasan found, please ins << 
448         endif                                  << 
449       endif                                    << 
450                                                << 
451       ifneq ($(filter s% -fsanitize=undefined% << 
452         ifneq ($(shell ldconfig -p | grep libu << 
453           $(error No libubsan found, please in << 
454         endif                                  << 
455       endif                                    << 
456                                                   294 
                                                   >> 295       NO_LIBELF := 1
                                                   >> 296       NO_DWARF := 1
                                                   >> 297       NO_DEMANGLE := 1
                                                   >> 298       NO_LIBUNWIND := 1
                                                   >> 299       NO_LIBDW_DWARF_UNWIND := 1
                                                   >> 300       NO_LIBBPF := 1
                                                   >> 301       NO_JVMTI := 1
                                                   >> 302     else
457       ifneq ($(filter s% -static%,$(LDFLAGS),)    303       ifneq ($(filter s% -static%,$(LDFLAGS),),)
458         $(error No static glibc found, please  !! 304         msg := $(error No static glibc found, please install glibc-static);
459       else                                        305       else
460         $(error No gnu/libc-version.h found, p !! 306         msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
461       endif                                       307       endif
462     endif                                         308     endif
463   else                                            309   else
464     ifndef NO_LIBDW_DWARF_UNWIND                  310     ifndef NO_LIBDW_DWARF_UNWIND
465       ifneq ($(feature-libdw-dwarf-unwind),1)     311       ifneq ($(feature-libdw-dwarf-unwind),1)
466         NO_LIBDW_DWARF_UNWIND := 1                312         NO_LIBDW_DWARF_UNWIND := 1
467         $(warning No libdw DWARF unwind found, !! 313         msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
468       endif                                       314       endif
469     endif                                         315     endif
470     ifneq ($(feature-dwarf), 1)                   316     ifneq ($(feature-dwarf), 1)
471       ifndef NO_DWARF                             317       ifndef NO_DWARF
472         $(warning No libdw.h found or old libd !! 318         msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
473         NO_DWARF := 1                             319         NO_DWARF := 1
474       endif                                       320       endif
475     else                                          321     else
476       ifneq ($(feature-dwarf_getlocations), 1)    322       ifneq ($(feature-dwarf_getlocations), 1)
477         $(warning Old libdw.h, finding variabl !! 323         msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
478       else                                        324       else
479         CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SU !! 325         CFLAGS += -DHAVE_DWARF_GETLOCATIONS
480       endif # dwarf_getlocations                  326       endif # dwarf_getlocations
481       ifneq ($(feature-dwarf_getcfi), 1)       << 
482         $(warning Old libdw.h, finding variabl << 
483       else                                     << 
484         CFLAGS += -DHAVE_DWARF_CFI_SUPPORT     << 
485       endif # dwarf_getcfi                     << 
486     endif # Dwarf support                         327     endif # Dwarf support
487   endif # libelf support                          328   endif # libelf support
488 endif # NO_LIBELF                                 329 endif # NO_LIBELF
489                                                   330 
490 ifeq ($(feature-libaio), 1)                    << 
491   ifndef NO_AIO                                << 
492     CFLAGS += -DHAVE_AIO_SUPPORT               << 
493   endif                                        << 
494 endif                                          << 
495                                                << 
496 ifdef NO_DWARF                                    331 ifdef NO_DWARF
497   NO_LIBDW_DWARF_UNWIND := 1                      332   NO_LIBDW_DWARF_UNWIND := 1
498 endif                                             333 endif
499                                                   334 
500 ifeq ($(feature-scandirat), 1)                 << 
501   # Ignore having scandirat with memory saniti << 
502   ifeq ($(filter s% -fsanitize=memory%,$(EXTRA << 
503     CFLAGS += -DHAVE_SCANDIRAT_SUPPORT         << 
504   endif                                        << 
505 endif                                          << 
506                                                << 
507 ifeq ($(feature-sched_getcpu), 1)                 335 ifeq ($(feature-sched_getcpu), 1)
508   CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT           336   CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
509 endif                                             337 endif
510                                                   338 
511 ifeq ($(feature-setns), 1)                        339 ifeq ($(feature-setns), 1)
512   CFLAGS += -DHAVE_SETNS_SUPPORT                  340   CFLAGS += -DHAVE_SETNS_SUPPORT
513   $(call detected,CONFIG_SETNS)                   341   $(call detected,CONFIG_SETNS)
514 endif                                             342 endif
515                                                   343 
516 ifdef CORESIGHT                                << 
517   $(call feature_check,libopencsd)             << 
518   ifeq ($(feature-libopencsd), 1)              << 
519     CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPEN << 
520     ifeq ($(feature-reallocarray), 0)          << 
521       CFLAGS += -DCOMPAT_NEED_REALLOCARRAY     << 
522     endif                                      << 
523     LDFLAGS += $(LIBOPENCSD_LDFLAGS)           << 
524     EXTLIBS += $(OPENCSDLIBS)                  << 
525     $(call detected,CONFIG_LIBOPENCSD)         << 
526     ifdef CSTRACE_RAW                          << 
527       CFLAGS += -DCS_DEBUG_RAW                 << 
528       ifeq (${CSTRACE_RAW}, packed)            << 
529         CFLAGS += -DCS_RAW_PACKED              << 
530       endif                                    << 
531     endif                                      << 
532   else                                         << 
533     $(error Error: No libopencsd library found << 
534   endif                                        << 
535 endif                                          << 
536                                                << 
537 ifndef NO_ZLIB                                 << 
538   ifeq ($(feature-zlib), 1)                    << 
539     CFLAGS += -DHAVE_ZLIB_SUPPORT              << 
540     EXTLIBS += -lz                             << 
541     $(call detected,CONFIG_ZLIB)               << 
542   else                                         << 
543     NO_ZLIB := 1                               << 
544   endif                                        << 
545 endif                                          << 
546                                                << 
547 ifndef NO_LIBELF                                  344 ifndef NO_LIBELF
548   CFLAGS += -DHAVE_LIBELF_SUPPORT                 345   CFLAGS += -DHAVE_LIBELF_SUPPORT
549   EXTLIBS += -lelf                                346   EXTLIBS += -lelf
550   $(call detected,CONFIG_LIBELF)                  347   $(call detected,CONFIG_LIBELF)
551                                                   348 
                                                   >> 349   ifeq ($(feature-libelf-mmap), 1)
                                                   >> 350     CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
                                                   >> 351   endif
                                                   >> 352 
552   ifeq ($(feature-libelf-getphdrnum), 1)          353   ifeq ($(feature-libelf-getphdrnum), 1)
553     CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT       354     CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
554   endif                                           355   endif
555                                                   356 
556   ifeq ($(feature-libelf-gelf_getnote), 1)        357   ifeq ($(feature-libelf-gelf_getnote), 1)
557     CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT         358     CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
558   else                                            359   else
559     $(warning gelf_getnote() not found on libe !! 360     msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
560   endif                                           361   endif
561                                                   362 
562   ifeq ($(feature-libelf-getshdrstrndx), 1)       363   ifeq ($(feature-libelf-getshdrstrndx), 1)
563     CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT    364     CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
564   endif                                           365   endif
565                                                   366 
566   ifndef NO_LIBDEBUGINFOD                      << 
567     $(call feature_check,libdebuginfod)        << 
568     ifeq ($(feature-libdebuginfod), 1)         << 
569       CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT      << 
570       EXTLIBS += -ldebuginfod                  << 
571     endif                                      << 
572   endif                                        << 
573                                                << 
574   ifndef NO_DWARF                                 367   ifndef NO_DWARF
575     ifeq ($(origin PERF_HAVE_DWARF_REGS), unde    368     ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
576       $(warning DWARF register mappings have n !! 369       msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
577       NO_DWARF := 1                               370       NO_DWARF := 1
578     else                                          371     else
579       CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_C    372       CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
580       LDFLAGS += $(LIBDW_LDFLAGS)                 373       LDFLAGS += $(LIBDW_LDFLAGS)
581       EXTLIBS += ${DWARFLIBS}                     374       EXTLIBS += ${DWARFLIBS}
582       $(call detected,CONFIG_DWARF)               375       $(call detected,CONFIG_DWARF)
583     endif # PERF_HAVE_DWARF_REGS                  376     endif # PERF_HAVE_DWARF_REGS
584   endif # NO_DWARF                                377   endif # NO_DWARF
585                                                   378 
586   ifndef NO_LIBBPF                                379   ifndef NO_LIBBPF
587     ifeq ($(feature-bpf), 1)                      380     ifeq ($(feature-bpf), 1)
588       # detecting libbpf without LIBBPF_DYNAMI !! 381       CFLAGS += -DHAVE_LIBBPF_SUPPORT
589       $(call feature_check,libbpf)             !! 382       $(call detected,CONFIG_LIBBPF)
                                                   >> 383     endif
590                                                   384 
591       ifdef LIBBPF_DYNAMIC                     !! 385     ifndef NO_DWARF
592         ifeq ($(feature-libbpf), 1)            !! 386       ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
593           EXTLIBS += -lbpf                     !! 387         CFLAGS += -DHAVE_BPF_PROLOGUE
594           CFLAGS += -DHAVE_LIBBPF_SUPPORT      !! 388         $(call detected,CONFIG_BPF_PROLOGUE)
595           $(call detected,CONFIG_LIBBPF)       << 
596           $(call detected,CONFIG_LIBBPF_DYNAMI << 
597         else                                   << 
598           $(error Error: No libbpf devel libra << 
599         endif                                  << 
600       else                                        389       else
601         ifeq ($(NO_ZLIB), 1)                   !! 390         msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset());
602           $(warning Warning: Statically buildi << 
603           NO_LIBBPF := 1                       << 
604         else                                   << 
605           # Libbpf will be built as a static l << 
606           LIBBPF_STATIC := 1                   << 
607           $(call detected,CONFIG_LIBBPF)       << 
608           CFLAGS += -DHAVE_LIBBPF_SUPPORT      << 
609         endif                                  << 
610       endif                                       391       endif
                                                   >> 392     else
                                                   >> 393       msg := $(warning DWARF support is off, BPF prologue is disabled);
611     endif                                         394     endif
                                                   >> 395 
612   endif # NO_LIBBPF                               396   endif # NO_LIBBPF
613 endif # NO_LIBELF                                 397 endif # NO_LIBELF
614                                                   398 
615 ifndef NO_SDT                                     399 ifndef NO_SDT
616   ifneq ($(feature-sdt), 1)                       400   ifneq ($(feature-sdt), 1)
617     $(warning No sys/sdt.h found, no SDT event !! 401     msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
618     NO_SDT := 1;                                  402     NO_SDT := 1;
619   else                                            403   else
620     CFLAGS += -DHAVE_SDT_EVENT                    404     CFLAGS += -DHAVE_SDT_EVENT
621     $(call detected,CONFIG_SDT_EVENT)             405     $(call detected,CONFIG_SDT_EVENT)
622   endif                                           406   endif
623 endif                                             407 endif
624                                                   408 
625 ifdef PERF_HAVE_JITDUMP                           409 ifdef PERF_HAVE_JITDUMP
626   ifndef NO_LIBELF                                410   ifndef NO_LIBELF
627     $(call detected,CONFIG_JITDUMP)               411     $(call detected,CONFIG_JITDUMP)
628     CFLAGS += -DHAVE_JITDUMP                      412     CFLAGS += -DHAVE_JITDUMP
629   endif                                           413   endif
630 endif                                             414 endif
631                                                   415 
632 ifeq ($(SRCARCH),powerpc)                         416 ifeq ($(SRCARCH),powerpc)
633   ifndef NO_DWARF                                 417   ifndef NO_DWARF
634     CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX           418     CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
635   endif                                           419   endif
636 endif                                             420 endif
637                                                   421 
638 ifndef NO_LIBUNWIND                               422 ifndef NO_LIBUNWIND
639   have_libunwind :=                               423   have_libunwind :=
640                                                   424 
641   $(call feature_check,libunwind-x86)          << 
642   ifeq ($(feature-libunwind-x86), 1)              425   ifeq ($(feature-libunwind-x86), 1)
643     $(call detected,CONFIG_LIBUNWIND_X86)         426     $(call detected,CONFIG_LIBUNWIND_X86)
644     CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT        427     CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
645     LDFLAGS += -lunwind-x86                       428     LDFLAGS += -lunwind-x86
646     EXTLIBS_LIBUNWIND += -lunwind-x86             429     EXTLIBS_LIBUNWIND += -lunwind-x86
647     have_libunwind = 1                            430     have_libunwind = 1
648   endif                                           431   endif
649                                                   432 
650   $(call feature_check,libunwind-aarch64)      << 
651   ifeq ($(feature-libunwind-aarch64), 1)          433   ifeq ($(feature-libunwind-aarch64), 1)
652     $(call detected,CONFIG_LIBUNWIND_AARCH64)     434     $(call detected,CONFIG_LIBUNWIND_AARCH64)
653     CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT    435     CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
654     LDFLAGS += -lunwind-aarch64                   436     LDFLAGS += -lunwind-aarch64
655     EXTLIBS_LIBUNWIND += -lunwind-aarch64         437     EXTLIBS_LIBUNWIND += -lunwind-aarch64
656     have_libunwind = 1                            438     have_libunwind = 1
657     $(call feature_check,libunwind-debug-frame    439     $(call feature_check,libunwind-debug-frame-aarch64)
658     ifneq ($(feature-libunwind-debug-frame-aar    440     ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
659       $(warning No debug_frame support found i !! 441       msg := $(warning No debug_frame support found in libunwind-aarch64);
660       CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AAR    442       CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
661     endif                                         443     endif
662   endif                                           444   endif
663                                                   445 
664   ifneq ($(feature-libunwind), 1)                 446   ifneq ($(feature-libunwind), 1)
665     $(warning No libunwind found. Please insta !! 447     msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
666     NO_LOCAL_LIBUNWIND := 1                       448     NO_LOCAL_LIBUNWIND := 1
667   else                                            449   else
668     have_libunwind := 1                           450     have_libunwind := 1
669     $(call detected,CONFIG_LOCAL_LIBUNWIND)       451     $(call detected,CONFIG_LOCAL_LIBUNWIND)
670   endif                                           452   endif
671                                                   453 
672   ifneq ($(have_libunwind), 1)                    454   ifneq ($(have_libunwind), 1)
673     NO_LIBUNWIND := 1                             455     NO_LIBUNWIND := 1
674   endif                                           456   endif
675 else                                              457 else
676   NO_LOCAL_LIBUNWIND := 1                         458   NO_LOCAL_LIBUNWIND := 1
677 endif                                             459 endif
678                                                   460 
679 ifndef NO_LIBBPF                                  461 ifndef NO_LIBBPF
680   ifneq ($(feature-bpf), 1)                       462   ifneq ($(feature-bpf), 1)
681     $(warning BPF API too old. Please install  !! 463     msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
682     NO_LIBBPF := 1                                464     NO_LIBBPF := 1
683   endif                                           465   endif
684 endif                                             466 endif
685                                                   467 
686 ifndef BUILD_BPF_SKEL                          << 
687   # BPF skeletons control a large number of pe << 
688   # they are enabled.                          << 
689   BUILD_BPF_SKEL := 1                          << 
690 endif                                          << 
691                                                << 
692 ifeq ($(BUILD_BPF_SKEL),1)                     << 
693   ifeq ($(filter -DHAVE_LIBELF_SUPPORT, $(CFLA << 
694     $(warning Warning: Disabled BPF skeletons  << 
695     BUILD_BPF_SKEL := 0                        << 
696   else ifeq ($(filter -DHAVE_ZLIB_SUPPORT, $(C << 
697     $(warning Warning: Disabled BPF skeletons  << 
698     BUILD_BPF_SKEL := 0                        << 
699   else ifeq ($(filter -DHAVE_LIBBPF_SUPPORT, $ << 
700     $(warning Warning: Disabled BPF skeletons  << 
701     BUILD_BPF_SKEL := 0                        << 
702   else ifeq ($(call get-executable,$(CLANG)),) << 
703     $(warning Warning: Disabled BPF skeletons  << 
704     BUILD_BPF_SKEL := 0                        << 
705   else                                         << 
706     CLANG_VERSION := $(shell $(CLANG) --versio << 
707     ifeq ($(call version-lt3,$(CLANG_VERSION), << 
708       $(warning Warning: Disabled BPF skeleton << 
709       BUILD_BPF_SKEL := 0                      << 
710     endif                                      << 
711   endif                                        << 
712   ifeq ($(BUILD_BPF_SKEL),1)                   << 
713     $(call feature_check,clang-bpf-co-re)      << 
714     ifeq ($(feature-clang-bpf-co-re), 0)       << 
715       $(warning Warning: Disabled BPF skeleton << 
716       BUILD_BPF_SKEL := 0                      << 
717     endif                                      << 
718   endif                                        << 
719   ifeq ($(BUILD_BPF_SKEL),1)                   << 
720     $(call detected,CONFIG_PERF_BPF_SKEL)      << 
721     CFLAGS += -DHAVE_BPF_SKEL                  << 
722   endif                                        << 
723 endif                                          << 
724                                                << 
725 ifndef GEN_VMLINUX_H                           << 
726   VMLINUX_H=$(src-perf)/util/bpf_skel/vmlinux/ << 
727 endif                                          << 
728                                                << 
729 dwarf-post-unwind := 1                            468 dwarf-post-unwind := 1
730 dwarf-post-unwind-text := BUG                     469 dwarf-post-unwind-text := BUG
731                                                   470 
732 # setup DWARF post unwinder                       471 # setup DWARF post unwinder
733 ifdef NO_LIBUNWIND                                472 ifdef NO_LIBUNWIND
734   ifdef NO_LIBDW_DWARF_UNWIND                     473   ifdef NO_LIBDW_DWARF_UNWIND
735     $(warning Disabling post unwind, no suppor !! 474     msg := $(warning Disabling post unwind, no support found.);
736     dwarf-post-unwind := 0                        475     dwarf-post-unwind := 0
737   else                                            476   else
738     dwarf-post-unwind-text := libdw               477     dwarf-post-unwind-text := libdw
739     $(call detected,CONFIG_LIBDW_DWARF_UNWIND)    478     $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
740   endif                                           479   endif
741 else                                              480 else
742   dwarf-post-unwind-text := libunwind             481   dwarf-post-unwind-text := libunwind
743   $(call detected,CONFIG_LIBUNWIND)               482   $(call detected,CONFIG_LIBUNWIND)
744   # Enable libunwind support by default.          483   # Enable libunwind support by default.
745   ifndef NO_LIBDW_DWARF_UNWIND                    484   ifndef NO_LIBDW_DWARF_UNWIND
746     NO_LIBDW_DWARF_UNWIND := 1                    485     NO_LIBDW_DWARF_UNWIND := 1
747   endif                                           486   endif
748 endif                                             487 endif
749                                                   488 
750 ifeq ($(dwarf-post-unwind),1)                     489 ifeq ($(dwarf-post-unwind),1)
751   CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT           490   CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
752   $(call detected,CONFIG_DWARF_UNWIND)            491   $(call detected,CONFIG_DWARF_UNWIND)
753 else                                              492 else
754   NO_DWARF_UNWIND := 1                            493   NO_DWARF_UNWIND := 1
755 endif                                             494 endif
756                                                   495 
757 ifndef NO_LOCAL_LIBUNWIND                         496 ifndef NO_LOCAL_LIBUNWIND
758   ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm    497   ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
759     $(call feature_check,libunwind-debug-frame    498     $(call feature_check,libunwind-debug-frame)
760     ifneq ($(feature-libunwind-debug-frame), 1    499     ifneq ($(feature-libunwind-debug-frame), 1)
761       $(warning No debug_frame support found i !! 500       msg := $(warning No debug_frame support found in libunwind);
762       CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME        501       CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
763     endif                                         502     endif
764   else                                            503   else
765     # non-ARM has no dwarf_find_debug_frame()     504     # non-ARM has no dwarf_find_debug_frame() function:
766     CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME          505     CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
767   endif                                           506   endif
768   EXTLIBS += $(LIBUNWIND_LIBS)                    507   EXTLIBS += $(LIBUNWIND_LIBS)
769   LDFLAGS += $(LIBUNWIND_LIBS)                    508   LDFLAGS += $(LIBUNWIND_LIBS)
770 endif                                             509 endif
771 ifeq ($(findstring -static,${LDFLAGS}),-static    510 ifeq ($(findstring -static,${LDFLAGS}),-static)
772   # gcc -static links libgcc_eh which contans     511   # gcc -static links libgcc_eh which contans piece of libunwind
773   LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-de    512   LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
774 endif                                             513 endif
775                                                   514 
776 ifndef NO_LIBUNWIND                               515 ifndef NO_LIBUNWIND
777   CFLAGS  += -DHAVE_LIBUNWIND_SUPPORT             516   CFLAGS  += -DHAVE_LIBUNWIND_SUPPORT
778   CFLAGS  += $(LIBUNWIND_CFLAGS)                  517   CFLAGS  += $(LIBUNWIND_CFLAGS)
779   LDFLAGS += $(LIBUNWIND_LDFLAGS)                 518   LDFLAGS += $(LIBUNWIND_LDFLAGS)
780   EXTLIBS += $(EXTLIBS_LIBUNWIND)                 519   EXTLIBS += $(EXTLIBS_LIBUNWIND)
781 endif                                             520 endif
782                                                   521 
783 ifneq ($(NO_LIBTRACEEVENT),1)                  !! 522 ifndef NO_LIBAUDIT
784   ifeq ($(NO_SYSCALL_TABLE),0)                 !! 523   ifneq ($(feature-libaudit), 1)
785     $(call detected,CONFIG_TRACE)              !! 524     msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
786   else                                         !! 525     NO_LIBAUDIT := 1
787     ifndef NO_LIBAUDIT                         !! 526   else
788       $(call feature_check,libaudit)           !! 527     CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
789       ifneq ($(feature-libaudit), 1)           !! 528     EXTLIBS += -laudit
790         $(warning No libaudit.h found, disable !! 529     $(call detected,CONFIG_AUDIT)
791         NO_LIBAUDIT := 1                       << 
792       else                                     << 
793         CFLAGS += -DHAVE_LIBAUDIT_SUPPORT      << 
794         EXTLIBS += -laudit                     << 
795         $(call detected,CONFIG_TRACE)          << 
796       endif                                    << 
797     endif                                      << 
798   endif                                           530   endif
799 endif                                             531 endif
800                                                   532 
801 ifndef NO_LIBCRYPTO                               533 ifndef NO_LIBCRYPTO
802   ifneq ($(feature-libcrypto), 1)                 534   ifneq ($(feature-libcrypto), 1)
803     $(warning No libcrypto.h found, disables j !! 535     msg := $(warning No libcrypto.h found, disables jitted code injection, please install libssl-devel or libssl-dev);
804     NO_LIBCRYPTO := 1                             536     NO_LIBCRYPTO := 1
805   else                                            537   else
806     CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT            538     CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
807     EXTLIBS += -lcrypto                           539     EXTLIBS += -lcrypto
808     $(call detected,CONFIG_CRYPTO)                540     $(call detected,CONFIG_CRYPTO)
809   endif                                           541   endif
810 endif                                             542 endif
811                                                   543 
                                                   >> 544 ifdef NO_NEWT
                                                   >> 545   NO_SLANG=1
                                                   >> 546 endif
                                                   >> 547 
812 ifndef NO_SLANG                                   548 ifndef NO_SLANG
813   ifneq ($(feature-libslang), 1)                  549   ifneq ($(feature-libslang), 1)
814     ifneq ($(feature-libslang-include-subdir), !! 550     msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
815       $(warning slang not found, disables TUI  !! 551     NO_SLANG := 1
816       NO_SLANG := 1                            !! 552   else
817     else                                       << 
818       CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR    << 
819     endif                                      << 
820   endif                                        << 
821   ifndef NO_SLANG                              << 
822     # Fedora has /usr/include/slang/slang.h, b    553     # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
                                                   >> 554     CFLAGS += -I/usr/include/slang
823     CFLAGS += -DHAVE_SLANG_SUPPORT                555     CFLAGS += -DHAVE_SLANG_SUPPORT
824     EXTLIBS += -lslang                            556     EXTLIBS += -lslang
825     $(call detected,CONFIG_SLANG)                 557     $(call detected,CONFIG_SLANG)
826   endif                                           558   endif
827 endif                                             559 endif
828                                                   560 
829 ifdef GTK2                                     !! 561 ifndef NO_GTK2
830   FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $    562   FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
831   $(call feature_check,gtk2)                   << 
832   ifneq ($(feature-gtk2), 1)                      563   ifneq ($(feature-gtk2), 1)
833     $(warning GTK2 not found, disables GTK2 su !! 564     msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
834     NO_GTK2 := 1                                  565     NO_GTK2 := 1
835   else                                            566   else
836     $(call feature_check,gtk2-infobar)         << 
837     ifeq ($(feature-gtk2-infobar), 1)             567     ifeq ($(feature-gtk2-infobar), 1)
838       GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPOR    568       GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
839     endif                                         569     endif
840     CFLAGS += -DHAVE_GTK2_SUPPORT                 570     CFLAGS += -DHAVE_GTK2_SUPPORT
841     GTK_CFLAGS += $(shell $(PKG_CONFIG) --cfla    571     GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
842     GTK_LIBS := $(shell $(PKG_CONFIG) --libs g    572     GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
843     EXTLIBS += -ldl                               573     EXTLIBS += -ldl
844   endif                                           574   endif
845 endif                                             575 endif
846                                                   576 
847 ifdef NO_LIBPERL                                  577 ifdef NO_LIBPERL
848   CFLAGS += -DNO_LIBPERL                          578   CFLAGS += -DNO_LIBPERL
849 else                                              579 else
850   PERL_EMBED_LDOPTS = $(shell perl -MExtUtils:    580   PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
851   PERL_EMBED_LDFLAGS = $(call strip-libs,$(PER    581   PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
852   PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_    582   PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
853   PERL_EMBED_CCOPTS = $(shell perl -MExtUtils:    583   PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
854   PERL_EMBED_CCOPTS := $(filter-out -specs=%,$    584   PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
855   PERL_EMBED_CCOPTS := $(filter-out -flto=auto << 
856   PERL_EMBED_LDOPTS := $(filter-out -specs=%,$    585   PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
857   FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL    586   FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
858                                                   587 
859   ifneq ($(feature-libperl), 1)                   588   ifneq ($(feature-libperl), 1)
860     CFLAGS += -DNO_LIBPERL                        589     CFLAGS += -DNO_LIBPERL
861     NO_LIBPERL := 1                               590     NO_LIBPERL := 1
862     $(warning Missing perl devel files. Disabl !! 591     msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
863   else                                            592   else
864     LDFLAGS += $(PERL_EMBED_LDFLAGS)              593     LDFLAGS += $(PERL_EMBED_LDFLAGS)
865     EXTLIBS += $(PERL_EMBED_LIBADD)               594     EXTLIBS += $(PERL_EMBED_LIBADD)
866     CFLAGS += -DHAVE_LIBPERL_SUPPORT           << 
867     ifeq ($(CC_NO_CLANG), 0)                   << 
868       CFLAGS += -Wno-compound-token-split-by-m << 
869     endif                                      << 
870     $(call detected,CONFIG_LIBPERL)               595     $(call detected,CONFIG_LIBPERL)
871   endif                                           596   endif
872 endif                                             597 endif
873                                                   598 
874 ifeq ($(feature-timerfd), 1)                      599 ifeq ($(feature-timerfd), 1)
875   CFLAGS += -DHAVE_TIMERFD_SUPPORT                600   CFLAGS += -DHAVE_TIMERFD_SUPPORT
876 else                                              601 else
877   $(warning No timerfd support. Disables 'perf !! 602   msg := $(warning No timerfd support. Disables 'perf kvm stat live');
878 endif                                             603 endif
879                                                   604 
880 disable-python = $(eval $(disable-python_code)    605 disable-python = $(eval $(disable-python_code))
881 define disable-python_code                        606 define disable-python_code
882   CFLAGS += -DNO_LIBPYTHON                        607   CFLAGS += -DNO_LIBPYTHON
883   $(warning $1)                                   608   $(warning $1)
884   NO_LIBPYTHON := 1                               609   NO_LIBPYTHON := 1
885 endef                                             610 endef
886                                                   611 
887 PYTHON_EXTENSION_SUFFIX := '.so'               << 
888 ifdef NO_LIBPYTHON                                612 ifdef NO_LIBPYTHON
889   $(call disable-python,Python support disable    613   $(call disable-python,Python support disabled by user)
890 else                                              614 else
891                                                   615 
892   ifndef PYTHON                                   616   ifndef PYTHON
893     $(call disable-python,No python interprete    617     $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
894   else                                            618   else
895     PYTHON_WORD := $(call shell-wordify,$(PYTH    619     PYTHON_WORD := $(call shell-wordify,$(PYTHON))
896                                                   620 
897     ifndef PYTHON_CONFIG                          621     ifndef PYTHON_CONFIG
898       $(call disable-python,No 'python-config'    622       $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
899     else                                          623     else
900                                                   624 
901       ifneq ($(feature-libpython), 1)             625       ifneq ($(feature-libpython), 1)
902         $(call disable-python,No 'Python.h' wa !! 626         $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
903       else                                        627       else
904          LDFLAGS += $(PYTHON_EMBED_LDFLAGS)    !! 628         ifneq ($(feature-libpython-version), 1)
905          EXTLIBS += $(PYTHON_EMBED_LIBADD)     !! 629           $(warning Python 3 is not yet supported; please set)
906          PYTHON_SETUPTOOLS_INSTALLED := $(shel !! 630           $(warning PYTHON and/or PYTHON_CONFIG appropriately.)
907          ifeq ($(PYTHON_SETUPTOOLS_INSTALLED), !! 631           $(warning If you also have Python 2 installed, then)
908            PYTHON_EXTENSION_SUFFIX := $(shell  !! 632           $(warning try something like:)
909            ifdef CROSS_COMPILE                 !! 633           $(warning $(and ,))
910              PYTHON_EXTENSION_SUFFIX := $(subs !! 634           $(warning $(and ,)  make PYTHON=python2)
911            endif                               !! 635           $(warning $(and ,))
912            LANG_BINDINGS += $(obj-perf)python/ !! 636           $(warning Otherwise, disable Python support entirely:)
913          else                                  !! 637           $(warning $(and ,))
914            $(warning Missing python setuptools !! 638           $(warning $(and ,)  make NO_LIBPYTHON=1)
915          endif                                 !! 639           $(warning $(and ,))
916          CFLAGS += -DHAVE_LIBPYTHON_SUPPORT    !! 640           $(error   $(and ,))
917          $(call detected,CONFIG_LIBPYTHON)     !! 641         else
918          ifeq ($(filter -fPIC,$(CFLAGS)),)     !! 642           LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
919            # Building a shared library require !! 643           EXTLIBS += $(PYTHON_EMBED_LIBADD)
920            CFLAGS += -fPIC                     !! 644           LANG_BINDINGS += $(obj-perf)python/perf.so
921            CXXFLAGS += -fPIC                   !! 645           $(call detected,CONFIG_LIBPYTHON)
922          endif                                 !! 646         endif
923       endif                                       647       endif
924     endif                                         648     endif
925   endif                                           649   endif
926 endif                                             650 endif
927                                                   651 
928 ifneq ($(NO_JEVENTS),1)                        !! 652 ifeq ($(feature-libbfd), 1)
929   ifeq ($(wildcard pmu-events/arch/$(SRCARCH)/ !! 653   EXTLIBS += -lbfd
930     NO_JEVENTS := 1                            !! 654 
931   endif                                        !! 655   # call all detections now so we get correct
932 endif                                          !! 656   # status in VF output
933 ifneq ($(NO_JEVENTS),1)                        !! 657   $(call feature_check,liberty)
934   NO_JEVENTS := 0                              !! 658   $(call feature_check,liberty-z)
935   ifndef PYTHON                                !! 659   $(call feature_check,cplus-demangle)
936     $(error ERROR: No python interpreter neede !! 660 
937   else                                         !! 661   ifeq ($(feature-liberty), 1)
938     # jevents.py uses f-strings present in Pyt !! 662     EXTLIBS += -liberty
939     JEVENTS_PYTHON_GOOD := $(shell $(PYTHON) - !! 663   else
940     ifneq ($(JEVENTS_PYTHON_GOOD), 1)          !! 664     ifeq ($(feature-liberty-z), 1)
941       $(error ERROR: Python interpreter needed !! 665       EXTLIBS += -liberty -lz
942     endif                                         666     endif
943   endif                                           667   endif
944 endif                                             668 endif
945                                                   669 
946 ifdef BUILD_NONDISTRO                          !! 670 ifdef NO_DEMANGLE
947   ifeq ($(feature-libbfd), 1)                  !! 671   CFLAGS += -DNO_DEMANGLE
948     EXTLIBS += -lbfd -lopcodes                 !! 672 else
949   else                                         !! 673   ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
950     # we are on a system that requires -libert !! 674     EXTLIBS += -liberty
951     # to link against -lbfd; test each case in !! 675     CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
952                                                !! 676   else
953     # call all detections now so we get correc !! 677     ifneq ($(feature-libbfd), 1)
954     # status in VF output                      !! 678       ifneq ($(feature-liberty), 1)
955     $(call feature_check,libbfd-liberty)       !! 679         ifneq ($(feature-liberty-z), 1)
956     $(call feature_check,libbfd-liberty-z)     !! 680           # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
957                                                !! 681           # or any of 'bfd iberty z' trinity
958     ifeq ($(feature-libbfd-liberty), 1)        !! 682           ifeq ($(feature-cplus-demangle), 1)
959       EXTLIBS += -lbfd -lopcodes -liberty      !! 683             EXTLIBS += -liberty
960       FEATURE_CHECK_LDFLAGS-disassembler-four- !! 684             CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
961       FEATURE_CHECK_LDFLAGS-disassembler-init- !! 685           else
962     else                                       !! 686             msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
963       ifeq ($(feature-libbfd-liberty-z), 1)    !! 687             CFLAGS += -DNO_DEMANGLE
964         EXTLIBS += -lbfd -lopcodes -liberty -l !! 688           endif
965         FEATURE_CHECK_LDFLAGS-disassembler-fou !! 689         endif
966         FEATURE_CHECK_LDFLAGS-disassembler-ini << 
967       endif                                       690       endif
968     endif                                         691     endif
969     $(call feature_check,disassembler-four-arg << 
970     $(call feature_check,disassembler-init-sty << 
971   endif                                        << 
972                                                << 
973   CFLAGS += -DHAVE_LIBBFD_SUPPORT              << 
974   CXXFLAGS += -DHAVE_LIBBFD_SUPPORT            << 
975   ifeq ($(feature-libbfd-buildid), 1)          << 
976     CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT    << 
977   else                                         << 
978     $(warning Old version of libbfd/binutils t << 
979   endif                                           692   endif
980 endif                                             693 endif
981                                                   694 
982 ifndef NO_LIBLLVM                              !! 695 ifneq ($(filter -lbfd,$(EXTLIBS)),)
983   $(call feature_check,llvm-perf)              !! 696   CFLAGS += -DHAVE_LIBBFD_SUPPORT
984   ifeq ($(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                                             697 endif
998                                                   698 
999 ifndef NO_DEMANGLE                             !! 699 ifndef NO_ZLIB
1000   $(call feature_check,cxa-demangle)          !! 700   ifeq ($(feature-zlib), 1)
1001   ifeq ($(feature-cxa-demangle), 1)           !! 701     CFLAGS += -DHAVE_ZLIB_SUPPORT
1002     EXTLIBS += -lstdc++                       !! 702     EXTLIBS += -lz
1003     CFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT     !! 703     $(call detected,CONFIG_ZLIB)
1004     CXXFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT   !! 704   else
1005     $(call detected,CONFIG_CXX_DEMANGLE)      !! 705     NO_ZLIB := 1
1006   endif                                       << 
1007   ifdef BUILD_NONDISTRO                       << 
1008     ifeq ($(filter -liberty,$(EXTLIBS)),)     << 
1009       $(call feature_check,cplus-demangle)    << 
1010       ifeq ($(feature-cplus-demangle), 1)     << 
1011         EXTLIBS += -liberty                   << 
1012       endif                                   << 
1013     endif                                     << 
1014     ifneq ($(filter -liberty,$(EXTLIBS)),)    << 
1015       CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT << 
1016       CXXFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPO << 
1017     endif                                     << 
1018   endif                                          706   endif
1019 endif                                            707 endif
1020                                                  708 
1021 ifndef NO_LZMA                                   709 ifndef NO_LZMA
1022   ifeq ($(feature-lzma), 1)                      710   ifeq ($(feature-lzma), 1)
1023     CFLAGS += -DHAVE_LZMA_SUPPORT                711     CFLAGS += -DHAVE_LZMA_SUPPORT
1024     EXTLIBS += -llzma                            712     EXTLIBS += -llzma
1025     $(call detected,CONFIG_LZMA)                 713     $(call detected,CONFIG_LZMA)
1026   else                                           714   else
1027     $(warning No liblzma found, disables xz k !! 715     msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
1028     NO_LZMA := 1                                 716     NO_LZMA := 1
1029   endif                                          717   endif
1030 endif                                            718 endif
1031                                                  719 
1032 ifndef NO_LIBZSTD                             << 
1033   ifeq ($(feature-libzstd), 1)                << 
1034     CFLAGS += -DHAVE_ZSTD_SUPPORT             << 
1035     CFLAGS += $(LIBZSTD_CFLAGS)               << 
1036     LDFLAGS += $(LIBZSTD_LDFLAGS)             << 
1037     EXTLIBS += -lzstd                         << 
1038     $(call detected,CONFIG_ZSTD)              << 
1039   else                                        << 
1040     $(warning No libzstd found, disables trac << 
1041     NO_LIBZSTD := 1                           << 
1042   endif                                       << 
1043 endif                                         << 
1044                                               << 
1045 ifndef NO_BACKTRACE                              720 ifndef NO_BACKTRACE
1046   ifeq ($(feature-backtrace), 1)                 721   ifeq ($(feature-backtrace), 1)
1047     CFLAGS += -DHAVE_BACKTRACE_SUPPORT           722     CFLAGS += -DHAVE_BACKTRACE_SUPPORT
1048   endif                                          723   endif
1049 endif                                            724 endif
1050                                                  725 
1051 ifndef NO_LIBNUMA                                726 ifndef NO_LIBNUMA
1052   ifeq ($(feature-libnuma), 0)                   727   ifeq ($(feature-libnuma), 0)
1053     $(warning No numa.h found, disables 'perf !! 728     msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
1054     NO_LIBNUMA := 1                              729     NO_LIBNUMA := 1
1055   else                                           730   else
1056     ifeq ($(feature-numa_num_possible_cpus),     731     ifeq ($(feature-numa_num_possible_cpus), 0)
1057       $(warning Old numa library found, disab !! 732       msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
1058       NO_LIBNUMA := 1                            733       NO_LIBNUMA := 1
1059     else                                         734     else
1060       CFLAGS += -DHAVE_LIBNUMA_SUPPORT           735       CFLAGS += -DHAVE_LIBNUMA_SUPPORT
1061       EXTLIBS += -lnuma                          736       EXTLIBS += -lnuma
1062       $(call detected,CONFIG_NUMA)               737       $(call detected,CONFIG_NUMA)
1063     endif                                        738     endif
1064   endif                                          739   endif
1065 endif                                            740 endif
1066                                                  741 
1067 ifdef HAVE_KVM_STAT_SUPPORT                      742 ifdef HAVE_KVM_STAT_SUPPORT
1068     CFLAGS += -DHAVE_KVM_STAT_SUPPORT            743     CFLAGS += -DHAVE_KVM_STAT_SUPPORT
1069 endif                                            744 endif
1070                                                  745 
1071 ifeq ($(feature-disassembler-four-args), 1)   << 
1072     CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE    << 
1073 endif                                         << 
1074                                               << 
1075 ifeq ($(feature-disassembler-init-styled), 1) << 
1076     CFLAGS += -DDISASM_INIT_STYLED            << 
1077 endif                                         << 
1078                                               << 
1079 ifeq (${IS_64_BIT}, 1)                           746 ifeq (${IS_64_BIT}, 1)
1080   ifndef NO_PERF_READ_VDSO32                     747   ifndef NO_PERF_READ_VDSO32
1081     $(call feature_check,compile-32)             748     $(call feature_check,compile-32)
1082     ifeq ($(feature-compile-32), 1)              749     ifeq ($(feature-compile-32), 1)
1083       CFLAGS += -DHAVE_PERF_READ_VDSO32          750       CFLAGS += -DHAVE_PERF_READ_VDSO32
1084     else                                         751     else
1085       NO_PERF_READ_VDSO32 := 1                   752       NO_PERF_READ_VDSO32 := 1
1086     endif                                        753     endif
1087   endif                                          754   endif
1088   ifneq ($(SRCARCH), x86)                        755   ifneq ($(SRCARCH), x86)
1089     NO_PERF_READ_VDSOX32 := 1                    756     NO_PERF_READ_VDSOX32 := 1
1090   endif                                          757   endif
1091   ifndef NO_PERF_READ_VDSOX32                    758   ifndef NO_PERF_READ_VDSOX32
1092     $(call feature_check,compile-x32)            759     $(call feature_check,compile-x32)
1093     ifeq ($(feature-compile-x32), 1)             760     ifeq ($(feature-compile-x32), 1)
1094       CFLAGS += -DHAVE_PERF_READ_VDSOX32         761       CFLAGS += -DHAVE_PERF_READ_VDSOX32
1095     else                                         762     else
1096       NO_PERF_READ_VDSOX32 := 1                  763       NO_PERF_READ_VDSOX32 := 1
1097     endif                                        764     endif
1098   endif                                          765   endif
1099 else                                             766 else
1100   NO_PERF_READ_VDSO32 := 1                       767   NO_PERF_READ_VDSO32 := 1
1101   NO_PERF_READ_VDSOX32 := 1                      768   NO_PERF_READ_VDSOX32 := 1
1102 endif                                            769 endif
1103                                                  770 
1104 ifndef NO_LIBBABELTRACE                       !! 771 ifdef LIBBABELTRACE
1105   $(call feature_check,libbabeltrace)            772   $(call feature_check,libbabeltrace)
1106   ifeq ($(feature-libbabeltrace), 1)             773   ifeq ($(feature-libbabeltrace), 1)
1107     CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(    774     CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
1108     LDFLAGS += $(LIBBABELTRACE_LDFLAGS)          775     LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
1109     EXTLIBS += -lbabeltrace-ctf                  776     EXTLIBS += -lbabeltrace-ctf
1110     $(call detected,CONFIG_LIBBABELTRACE)        777     $(call detected,CONFIG_LIBBABELTRACE)
1111   else                                           778   else
1112     $(warning No libbabeltrace found, disable !! 779     msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
1113   endif                                       << 
1114 endif                                         << 
1115                                               << 
1116 ifndef NO_CAPSTONE                            << 
1117   $(call feature_check,libcapstone)           << 
1118   ifeq ($(feature-libcapstone), 1)            << 
1119     CFLAGS += -DHAVE_LIBCAPSTONE_SUPPORT $(LI << 
1120     LDFLAGS += $(LICAPSTONE_LDFLAGS)          << 
1121     EXTLIBS += -lcapstone                     << 
1122     $(call detected,CONFIG_LIBCAPSTONE)       << 
1123   else                                        << 
1124     msg := $(warning No libcapstone found, di << 
1125   endif                                          780   endif
1126 endif                                            781 endif
1127                                                  782 
1128 ifndef NO_AUXTRACE                               783 ifndef NO_AUXTRACE
1129   ifeq ($(SRCARCH),x86)                          784   ifeq ($(SRCARCH),x86)
1130     ifeq ($(feature-get_cpuid), 0)               785     ifeq ($(feature-get_cpuid), 0)
1131       $(warning Your gcc lacks the __get_cpui !! 786       msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
1132       NO_AUXTRACE := 1                           787       NO_AUXTRACE := 1
1133     endif                                        788     endif
1134   endif                                          789   endif
1135   ifndef NO_AUXTRACE                             790   ifndef NO_AUXTRACE
1136     $(call detected,CONFIG_AUXTRACE)             791     $(call detected,CONFIG_AUXTRACE)
1137     CFLAGS += -DHAVE_AUXTRACE_SUPPORT            792     CFLAGS += -DHAVE_AUXTRACE_SUPPORT
1138     ifeq ($(feature-reallocarray), 0)         << 
1139       CFLAGS += -DCOMPAT_NEED_REALLOCARRAY    << 
1140     endif                                     << 
1141   endif                                          793   endif
1142 endif                                            794 endif
1143                                                  795 
1144 ifdef EXTRA_TESTS                             << 
1145     $(call detected,CONFIG_EXTRA_TESTS)       << 
1146     CFLAGS += -DHAVE_EXTRA_TESTS              << 
1147 endif                                         << 
1148                                               << 
1149 ifndef NO_JVMTI                                  796 ifndef NO_JVMTI
1150   ifneq (,$(wildcard /usr/sbin/update-java-al    797   ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
1151     JDIR=$(shell /usr/sbin/update-java-altern    798     JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
1152   else                                           799   else
1153     ifneq (,$(wildcard /usr/sbin/alternatives    800     ifneq (,$(wildcard /usr/sbin/alternatives))
1154       JDIR=$(shell /usr/sbin/alternatives --d !! 801       JDIR=$(shell alternatives --display java | tail -1 | cut -d' ' -f 5 | sed 's%/jre/bin/java.%%g')
1155     endif                                        802     endif
1156   endif                                          803   endif
1157   ifndef JDIR                                    804   ifndef JDIR
1158     $(warning No alternatives command found,     805     $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
1159     NO_JVMTI := 1                                806     NO_JVMTI := 1
1160   endif                                          807   endif
1161 endif                                            808 endif
1162                                                  809 
1163 ifndef NO_JVMTI                                  810 ifndef NO_JVMTI
1164   FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/inc    811   FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
1165   $(call feature_check,jvmti)                    812   $(call feature_check,jvmti)
1166   ifeq ($(feature-jvmti), 1)                     813   ifeq ($(feature-jvmti), 1)
1167     $(call detected_var,JDIR)                    814     $(call detected_var,JDIR)
1168     ifndef NO_JVMTI_CMLR                      << 
1169       FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FE << 
1170       $(call feature_check,jvmti-cmlr)        << 
1171       ifeq ($(feature-jvmti-cmlr), 1)         << 
1172         CFLAGS += -DHAVE_JVMTI_CMLR           << 
1173       endif                                   << 
1174     endif # NO_JVMTI_CMLR                     << 
1175   else                                           815   else
1176     $(warning No openjdk development package  !! 816     $(warning No openjdk development package found, please install JDK package)
1177     NO_JVMTI := 1                                817     NO_JVMTI := 1
1178   endif                                          818   endif
1179 endif                                            819 endif
1180                                                  820 
1181 ifndef NO_LIBPFM4                             !! 821 USE_CXX = 0
1182   $(call feature_check,libpfm4)               !! 822 USE_CLANGLLVM = 0
1183   ifeq ($(feature-libpfm4), 1)                !! 823 ifdef LIBCLANGLLVM
1184     CFLAGS += -DHAVE_LIBPFM                   !! 824   $(call feature_check,cxx)
1185     EXTLIBS += -lpfm                          !! 825   ifneq ($(feature-cxx), 1)
1186     ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1          !! 826     msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
1187     $(call detected,CONFIG_LIBPFM4)           !! 827   else
1188   else                                        !! 828     $(call feature_check,llvm)
1189     $(warning libpfm4 not found, disables lib !! 829     $(call feature_check,llvm-version)
1190   endif                                       !! 830     ifneq ($(feature-llvm), 1)
1191 endif                                         !! 831       msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
1192                                               !! 832     else
1193 # libtraceevent is a recommended dependency p !! 833       $(call feature_check,clang)
1194 ifneq ($(NO_LIBTRACEEVENT),1)                 !! 834       ifneq ($(feature-clang), 1)
1195   $(call feature_check,libtraceevent)         !! 835         msg := $(warning No suitable libclang found, disabling builtin clang and LLVM support. Please install libclang-dev(el) (>= 3.9.0))
1196   ifeq ($(feature-libtraceevent), 1)          !! 836       else
1197     CFLAGS += -DHAVE_LIBTRACEEVENT            !! 837         CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
1198     LDFLAGS += $(shell $(PKG_CONFIG) --libs-o !! 838         CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
1199     EXTLIBS += $(shell $(PKG_CONFIG) --libs-o !! 839         $(call detected,CONFIG_CXX)
1200     LIBTRACEEVENT_VERSION := $(shell $(PKG_CO !! 840         $(call detected,CONFIG_CLANGLLVM)
1201     LIBTRACEEVENT_VERSION_1 := $(word 1, $(su !! 841         USE_CXX = 1
1202     LIBTRACEEVENT_VERSION_2 := $(word 2, $(su !! 842         USE_LLVM = 1
1203     LIBTRACEEVENT_VERSION_3 := $(word 3, $(su !! 843         USE_CLANG = 1
1204     LIBTRACEEVENT_VERSION_CPP := $(shell expr !! 844         ifneq ($(feature-llvm-version),1)
1205     CFLAGS += -DLIBTRACEEVENT_VERSION=$(LIBTR !! 845           msg := $(warning This version of LLVM is not tested. May cause build errors)
1206     $(call detected,CONFIG_LIBTRACEEVENT)     !! 846         endif
1207   else                                        !! 847       endif
1208     $(error ERROR: libtraceevent is missing.  !! 848     endif
1209   endif                                       << 
1210                                               << 
1211   $(call feature_check,libtracefs)            << 
1212   ifeq ($(feature-libtracefs), 1)             << 
1213     CFLAGS +=  $(shell $(PKG_CONFIG) --cflags << 
1214     LDFLAGS += $(shell $(PKG_CONFIG) --libs-o << 
1215     EXTLIBS += $(shell $(PKG_CONFIG) --libs-o << 
1216     LIBTRACEFS_VERSION := $(shell $(PKG_CONFI << 
1217     LIBTRACEFS_VERSION_1 := $(word 1, $(subst << 
1218     LIBTRACEFS_VERSION_2 := $(word 2, $(subst << 
1219     LIBTRACEFS_VERSION_3 := $(word 3, $(subst << 
1220     LIBTRACEFS_VERSION_CPP := $(shell expr $( << 
1221     CFLAGS += -DLIBTRACEFS_VERSION=$(LIBTRACE << 
1222   else                                        << 
1223     $(warning libtracefs is missing. Please i << 
1224   endif                                          849   endif
1225 endif                                            850 endif
1226                                                  851 
1227 # Among the variables below, these:              852 # Among the variables below, these:
1228 #   perfexecdir                                  853 #   perfexecdir
1229 #   libbpf_include_dir                        << 
1230 #   perf_examples_dir                         << 
1231 #   template_dir                                 854 #   template_dir
1232 #   mandir                                       855 #   mandir
1233 #   infodir                                      856 #   infodir
1234 #   htmldir                                      857 #   htmldir
1235 #   ETC_PERFCONFIG (but not sysconfdir)          858 #   ETC_PERFCONFIG (but not sysconfdir)
1236 # can be specified as a relative path some/wh    859 # can be specified as a relative path some/where/else;
1237 # this is interpreted as relative to $(prefix    860 # this is interpreted as relative to $(prefix) and "perf" at
1238 # runtime figures out where they are based on    861 # runtime figures out where they are based on the path to the executable.
1239 # This can help installing the suite in a rel    862 # This can help installing the suite in a relocatable way.
1240                                                  863 
1241 # Make the path relative to DESTDIR, not to p    864 # Make the path relative to DESTDIR, not to prefix
1242 ifndef DESTDIR                                   865 ifndef DESTDIR
1243 prefix ?= $(HOME)                                866 prefix ?= $(HOME)
1244 endif                                            867 endif
1245 bindir_relative = bin                            868 bindir_relative = bin
1246 bindir = $(abspath $(prefix)/$(bindir_relativ    869 bindir = $(abspath $(prefix)/$(bindir_relative))
1247 includedir_relative = include                 << 
1248 includedir = $(abspath $(prefix)/$(includedir << 
1249 mandir = share/man                               870 mandir = share/man
1250 infodir = share/info                             871 infodir = share/info
1251 perfexecdir = libexec/perf-core                  872 perfexecdir = libexec/perf-core
1252 # FIXME: system's libbpf header directory, wh << 
1253 libbpf_include_dir = /usr/include             << 
1254 perf_examples_dir = lib/perf/examples         << 
1255 sharedir = $(prefix)/share                       873 sharedir = $(prefix)/share
1256 template_dir = share/perf-core/templates         874 template_dir = share/perf-core/templates
1257 STRACE_GROUPS_DIR = share/perf-core/strace/gr    875 STRACE_GROUPS_DIR = share/perf-core/strace/groups
1258 htmldir = share/doc/perf-doc                     876 htmldir = share/doc/perf-doc
1259 tipdir = share/doc/perf-tip                      877 tipdir = share/doc/perf-tip
1260 srcdir = $(srctree)/tools/perf                   878 srcdir = $(srctree)/tools/perf
1261 ifeq ($(prefix),/usr)                            879 ifeq ($(prefix),/usr)
1262 sysconfdir = /etc                                880 sysconfdir = /etc
1263 ETC_PERFCONFIG = $(sysconfdir)/perfconfig        881 ETC_PERFCONFIG = $(sysconfdir)/perfconfig
1264 else                                             882 else
1265 sysconfdir = $(prefix)/etc                       883 sysconfdir = $(prefix)/etc
1266 ETC_PERFCONFIG = etc/perfconfig                  884 ETC_PERFCONFIG = etc/perfconfig
1267 endif                                            885 endif
1268 ifndef lib                                       886 ifndef lib
1269 ifeq ($(SRCARCH)$(IS_64_BIT), x861)              887 ifeq ($(SRCARCH)$(IS_64_BIT), x861)
1270 lib = lib64                                      888 lib = lib64
1271 else                                             889 else
1272 lib = lib                                        890 lib = lib
1273 endif                                            891 endif
1274 endif # lib                                      892 endif # lib
1275 libdir = $(prefix)/$(lib)                        893 libdir = $(prefix)/$(lib)
1276                                                  894 
1277 # Shell quote (do not use $(call) to accommod    895 # Shell quote (do not use $(call) to accommodate ancient setups);
1278 ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERF    896 ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
1279 STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRAC    897 STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
1280 DESTDIR_SQ = $(subst ','\'',$(DESTDIR))          898 DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
1281 bindir_SQ = $(subst ','\'',$(bindir))            899 bindir_SQ = $(subst ','\'',$(bindir))
1282 includedir_SQ = $(subst ','\'',$(includedir)) << 
1283 mandir_SQ = $(subst ','\'',$(mandir))            900 mandir_SQ = $(subst ','\'',$(mandir))
1284 infodir_SQ = $(subst ','\'',$(infodir))          901 infodir_SQ = $(subst ','\'',$(infodir))
1285 perfexecdir_SQ = $(subst ','\'',$(perfexecdir    902 perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
1286 libbpf_include_dir_SQ = $(subst ','\'',$(libb << 
1287 perf_examples_dir_SQ = $(subst ','\'',$(perf_ << 
1288 template_dir_SQ = $(subst ','\'',$(template_d    903 template_dir_SQ = $(subst ','\'',$(template_dir))
1289 htmldir_SQ = $(subst ','\'',$(htmldir))          904 htmldir_SQ = $(subst ','\'',$(htmldir))
1290 tipdir_SQ = $(subst ','\'',$(tipdir))            905 tipdir_SQ = $(subst ','\'',$(tipdir))
1291 prefix_SQ = $(subst ','\'',$(prefix))            906 prefix_SQ = $(subst ','\'',$(prefix))
1292 sysconfdir_SQ = $(subst ','\'',$(sysconfdir))    907 sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
1293 libdir_SQ = $(subst ','\'',$(libdir))            908 libdir_SQ = $(subst ','\'',$(libdir))
1294 srcdir_SQ = $(subst ','\'',$(srcdir))            909 srcdir_SQ = $(subst ','\'',$(srcdir))
1295                                                  910 
1296 ifneq ($(filter /%,$(firstword $(perfexecdir)    911 ifneq ($(filter /%,$(firstword $(perfexecdir))),)
1297 perfexec_instdir = $(perfexecdir)                912 perfexec_instdir = $(perfexecdir)
1298 perf_include_instdir = $(libbpf_include_dir)  << 
1299 perf_examples_instdir = $(perf_examples_dir)  << 
1300 STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)     913 STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
1301 tip_instdir = $(tipdir)                          914 tip_instdir = $(tipdir)
1302 else                                             915 else
1303 perfexec_instdir = $(prefix)/$(perfexecdir)      916 perfexec_instdir = $(prefix)/$(perfexecdir)
1304 perf_include_instdir = $(prefix)/$(libbpf_inc << 
1305 perf_examples_instdir = $(prefix)/$(perf_exam << 
1306 STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GR    917 STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
1307 tip_instdir = $(prefix)/$(tipdir)                918 tip_instdir = $(prefix)/$(tipdir)
1308 endif                                            919 endif
1309 perfexec_instdir_SQ = $(subst ','\'',$(perfex    920 perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
1310 perf_include_instdir_SQ = $(subst ','\'',$(pe << 
1311 perf_examples_instdir_SQ = $(subst ','\'',$(p << 
1312 STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(S    921 STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
1313 tip_instdir_SQ = $(subst ','\'',$(tip_instdir    922 tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
1314                                                  923 
1315 export perfexec_instdir_SQ                    !! 924 # If we install to $(HOME) we keep the traceevent default:
                                                   >> 925 # $(HOME)/.traceevent/plugins
                                                   >> 926 # Otherwise we install plugins into the global $(libdir).
                                                   >> 927 ifdef DESTDIR
                                                   >> 928 plugindir=$(libdir)/traceevent/plugins
                                                   >> 929 plugindir_SQ= $(subst ','\'',$(plugindir))
                                                   >> 930 endif
1316                                                  931 
1317 print_var = $(eval $(print_var_code)) $(info     932 print_var = $(eval $(print_var_code)) $(info $(MSG))
1318 define print_var_code                            933 define print_var_code
1319     MSG = $(shell printf '...%40s: %s' $(1) $ !! 934     MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
1320 endef                                            935 endef
1321                                                  936 
1322 ifeq ($(feature_display),1)                   << 
1323   $(call feature_display_entries)             << 
1324 endif                                         << 
1325                                               << 
1326 ifeq ($(VF),1)                                   937 ifeq ($(VF),1)
1327   # Display EXTRA features which are detected << 
1328   # from here with feature_check call and thu << 
1329   # be partof global state output.            << 
1330   $(foreach feat,$(FEATURE_TESTS_EXTRA),$(cal << 
1331   $(call print_var,prefix)                       938   $(call print_var,prefix)
1332   $(call print_var,bindir)                       939   $(call print_var,bindir)
1333   $(call print_var,libdir)                       940   $(call print_var,libdir)
1334   $(call print_var,sysconfdir)                   941   $(call print_var,sysconfdir)
1335   $(call print_var,LIBUNWIND_DIR)                942   $(call print_var,LIBUNWIND_DIR)
1336   $(call print_var,LIBDW_DIR)                    943   $(call print_var,LIBDW_DIR)
1337   $(call print_var,JDIR)                         944   $(call print_var,JDIR)
1338                                                  945 
1339   ifeq ($(dwarf-post-unwind),1)                  946   ifeq ($(dwarf-post-unwind),1)
1340     $(call feature_print_text,"DWARF post unw !! 947     $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
1341   endif                                          948   endif
                                                   >> 949   $(info )
1342 endif                                            950 endif
1343                                                  951 
1344 $(info )                                      << 
1345                                               << 
1346 $(call detected_var,bindir_SQ)                   952 $(call detected_var,bindir_SQ)
1347 $(call detected_var,PYTHON_WORD)                 953 $(call detected_var,PYTHON_WORD)
1348 ifneq ($(OUTPUT),)                               954 ifneq ($(OUTPUT),)
1349 $(call detected_var,OUTPUT)                      955 $(call detected_var,OUTPUT)
1350 endif                                            956 endif
1351 $(call detected_var,htmldir_SQ)                  957 $(call detected_var,htmldir_SQ)
1352 $(call detected_var,infodir_SQ)                  958 $(call detected_var,infodir_SQ)
1353 $(call detected_var,mandir_SQ)                   959 $(call detected_var,mandir_SQ)
1354 $(call detected_var,ETC_PERFCONFIG_SQ)           960 $(call detected_var,ETC_PERFCONFIG_SQ)
1355 $(call detected_var,STRACE_GROUPS_DIR_SQ)        961 $(call detected_var,STRACE_GROUPS_DIR_SQ)
1356 $(call detected_var,prefix_SQ)                   962 $(call detected_var,prefix_SQ)
1357 $(call detected_var,perfexecdir_SQ)              963 $(call detected_var,perfexecdir_SQ)
1358 $(call detected_var,libbpf_include_dir_SQ)    << 
1359 $(call detected_var,perf_examples_dir_SQ)     << 
1360 $(call detected_var,tipdir_SQ)                   964 $(call detected_var,tipdir_SQ)
1361 $(call detected_var,srcdir_SQ)                   965 $(call detected_var,srcdir_SQ)
1362 $(call detected_var,LIBDIR)                      966 $(call detected_var,LIBDIR)
1363 $(call detected_var,GTK_CFLAGS)                  967 $(call detected_var,GTK_CFLAGS)
1364 $(call detected_var,PERL_EMBED_CCOPTS)           968 $(call detected_var,PERL_EMBED_CCOPTS)
1365 $(call detected_var,PYTHON_EMBED_CCOPTS)         969 $(call detected_var,PYTHON_EMBED_CCOPTS)
1366 ifneq ($(BISON_FILE_PREFIX_MAP),)             << 
1367 $(call detected_var,BISON_FILE_PREFIX_MAP)    << 
1368 endif                                         << 
1369                                               << 
1370 # re-generate FEATURE-DUMP as we may have cal << 
1371 # extra libraries to add to LDFLAGS of some o << 
1372 # tests, see the block about libbfd, disassem << 
1373 $(shell rm -f $(FEATURE_DUMP_FILENAME))       << 
1374 $(foreach feat,$(FEATURE_TESTS),$(shell echo  << 
                                                      

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