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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-4.16.18)


  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                        !!  25 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                                                    26 
 43 # Additional ARCH settings for ppc                 27 # Additional ARCH settings for ppc
 44 ifeq ($(SRCARCH),powerpc)                          28 ifeq ($(SRCARCH),powerpc)
 45   CFLAGS += -I$(OUTPUT)arch/powerpc/include/ge !!  29   NO_PERF_REGS := 0
 46   LIBUNWIND_LIBS := -lunwind -lunwind-ppc64        30   LIBUNWIND_LIBS := -lunwind -lunwind-ppc64
 47 endif                                              31 endif
 48                                                    32 
 49 # Additional ARCH settings for x86                 33 # Additional ARCH settings for x86
 50 ifeq ($(SRCARCH),x86)                              34 ifeq ($(SRCARCH),x86)
 51   $(call detected,CONFIG_X86)                      35   $(call detected,CONFIG_X86)
 52   CFLAGS += -I$(OUTPUT)arch/x86/include/genera << 
 53   ifeq (${IS_64_BIT}, 1)                           36   ifeq (${IS_64_BIT}, 1)
 54     CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT       !!  37     NO_SYSCALL_TABLE := 0
                                                   >>  38     CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT -I$(OUTPUT)arch/x86/include/generated
 55     ARCH_INCLUDE = ../../arch/x86/lib/memcpy_6     39     ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
 56     LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind      40     LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind -llzma
 57     $(call detected,CONFIG_X86_64)                 41     $(call detected,CONFIG_X86_64)
 58   else                                             42   else
 59     LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunw     43     LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind
 60   endif                                            44   endif
                                                   >>  45   NO_PERF_REGS := 0
 61 endif                                              46 endif
 62                                                    47 
 63 ifeq ($(SRCARCH),arm)                              48 ifeq ($(SRCARCH),arm)
                                                   >>  49   NO_PERF_REGS := 0
 64   LIBUNWIND_LIBS = -lunwind -lunwind-arm           50   LIBUNWIND_LIBS = -lunwind -lunwind-arm
 65 endif                                              51 endif
 66                                                    52 
 67 ifeq ($(SRCARCH),arm64)                            53 ifeq ($(SRCARCH),arm64)
 68   CFLAGS += -I$(OUTPUT)arch/arm64/include/gene !!  54   NO_PERF_REGS := 0
 69   LIBUNWIND_LIBS = -lunwind -lunwind-aarch64       55   LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
 70 endif                                              56 endif
 71                                                    57 
 72 ifeq ($(SRCARCH),loongarch)                    << 
 73   CFLAGS += -I$(OUTPUT)arch/loongarch/include/ << 
 74   LIBUNWIND_LIBS = -lunwind -lunwind-loongarch << 
 75 endif                                          << 
 76                                                << 
 77 ifeq ($(ARCH),s390)                                58 ifeq ($(ARCH),s390)
                                                   >>  59   NO_PERF_REGS := 0
                                                   >>  60   NO_SYSCALL_TABLE := 0
 78   CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include     61   CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated
 79 endif                                              62 endif
 80                                                    63 
 81 ifeq ($(ARCH),mips)                            !!  64 ifeq ($(NO_PERF_REGS),0)
 82   CFLAGS += -I$(OUTPUT)arch/mips/include/gener !!  65   $(call detected,CONFIG_PERF_REGS)
 83   LIBUNWIND_LIBS = -lunwind -lunwind-mips      !!  66 endif
                                                   >>  67 
                                                   >>  68 ifneq ($(NO_SYSCALL_TABLE),1)
                                                   >>  69   CFLAGS += -DHAVE_SYSCALL_TABLE
 84 endif                                              70 endif
 85                                                    71 
 86 # So far there's only x86 and arm libdw unwind     72 # So far there's only x86 and arm libdw unwind support merged in perf.
 87 # Disable it on all other architectures in cas     73 # Disable it on all other architectures in case libdw unwind
 88 # support is detected in system. Add supported     74 # support is detected in system. Add supported architectures
 89 # to the check.                                    75 # to the check.
 90 ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm  !!  76 ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm powerpc s390))
 91   NO_LIBDW_DWARF_UNWIND := 1                       77   NO_LIBDW_DWARF_UNWIND := 1
 92 endif                                              78 endif
 93                                                    79 
 94 ifeq ($(LIBUNWIND_LIBS),)                          80 ifeq ($(LIBUNWIND_LIBS),)
 95   NO_LIBUNWIND := 1                                81   NO_LIBUNWIND := 1
 96 endif                                              82 endif
 97 #                                                  83 #
 98 # For linking with debug library, run like:        84 # For linking with debug library, run like:
 99 #                                                  85 #
100 #   make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/     86 #   make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
101 #                                                  87 #
102                                                    88 
103 libunwind_arch_set_flags = $(eval $(libunwind_     89 libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
104 define libunwind_arch_set_flags_code               90 define libunwind_arch_set_flags_code
105   FEATURE_CHECK_CFLAGS-libunwind-$(1)  = -I$(L     91   FEATURE_CHECK_CFLAGS-libunwind-$(1)  = -I$(LIBUNWIND_DIR)/include
106   FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(L     92   FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
107 endef                                              93 endef
108                                                    94 
109 ifdef LIBUNWIND_DIR                                95 ifdef LIBUNWIND_DIR
110   LIBUNWIND_CFLAGS  = -I$(LIBUNWIND_DIR)/inclu     96   LIBUNWIND_CFLAGS  = -I$(LIBUNWIND_DIR)/include
111   LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib       97   LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
112   LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 deb !!  98   LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64
113   $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),     99   $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
114 endif                                             100 endif
115                                                   101 
116 # Set per-feature check compilation flags         102 # Set per-feature check compilation flags
117 FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_C    103 FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
118 FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_    104 FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
119 FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $    105 FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
120 FEATURE_CHECK_LDFLAGS-libunwind-debug-frame =     106 FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
121                                                   107 
122 FEATURE_CHECK_LDFLAGS-libunwind-arm += -lunwin << 
123 FEATURE_CHECK_LDFLAGS-libunwind-aarch64 += -lu << 
124 FEATURE_CHECK_LDFLAGS-libunwind-x86 += -lunwin << 
125 FEATURE_CHECK_LDFLAGS-libunwind-x86_64 += -lun << 
126                                                << 
127 FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto     << 
128                                                << 
129 ifdef CSINCLUDES                                  108 ifdef CSINCLUDES
130   LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)            109   LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)
131 endif                                             110 endif
132 OPENCSDLIBS := -lopencsd_c_api -lopencsd          111 OPENCSDLIBS := -lopencsd_c_api -lopencsd
133 ifeq ($(findstring -static,${LDFLAGS}),-static << 
134   OPENCSDLIBS += -lstdc++                      << 
135 endif                                          << 
136 ifdef CSLIBS                                      112 ifdef CSLIBS
137   LIBOPENCSD_LDFLAGS := -L$(CSLIBS)               113   LIBOPENCSD_LDFLAGS := -L$(CSLIBS)
138 endif                                             114 endif
139 FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCS    115 FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS)
140 FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENC    116 FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS)
141                                                   117 
                                                   >> 118 ifeq ($(NO_PERF_REGS),0)
                                                   >> 119   CFLAGS += -DHAVE_PERF_REGS_SUPPORT
                                                   >> 120 endif
                                                   >> 121 
142 # for linking with debug library, run like:       122 # for linking with debug library, run like:
143 # make DEBUG=1 LIBDW_DIR=/opt/libdw/              123 # make DEBUG=1 LIBDW_DIR=/opt/libdw/
144 ifdef LIBDW_DIR                                   124 ifdef LIBDW_DIR
145   LIBDW_CFLAGS  := -I$(LIBDW_DIR)/include         125   LIBDW_CFLAGS  := -I$(LIBDW_DIR)/include
146   LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib             126   LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
147 endif                                             127 endif
148 DWARFLIBS := -ldw                                 128 DWARFLIBS := -ldw
149 ifeq ($(findstring -static,${LDFLAGS}),-static    129 ifeq ($(findstring -static,${LDFLAGS}),-static)
150   DWARFLIBS += -lelf -lz -llzma -lbz2 -lzstd   !! 130   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                                             131 endif
165 FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(L    132 FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
166 FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(    133 FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS)
167                                                   134 
168 # for linking with debug library, run like:       135 # for linking with debug library, run like:
169 # make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabel    136 # make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
170 ifdef LIBBABELTRACE_DIR                           137 ifdef LIBBABELTRACE_DIR
171   LIBBABELTRACE_CFLAGS  := -I$(LIBBABELTRACE_D    138   LIBBABELTRACE_CFLAGS  := -I$(LIBBABELTRACE_DIR)/include
172   LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_D    139   LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
173 endif                                             140 endif
174 FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBAB    141 FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
175 FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBA    142 FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
176                                                   143 
177 # for linking with debug library, run like:    << 
178 # make DEBUG=1 LIBCAPSTONE_DIR=/opt/capstone/  << 
179 ifdef LIBCAPSTONE_DIR                          << 
180   LIBCAPSTONE_CFLAGS  := -I$(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    144 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                    145 # include ARCH specific config
204 -include $(src-perf)/arch/$(SRCARCH)/Makefile     146 -include $(src-perf)/arch/$(SRCARCH)/Makefile
205                                                   147 
206 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSE    148 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
207   CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OF    149   CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
208 endif                                             150 endif
209                                                   151 
210 include $(srctree)/tools/scripts/utilities.mak    152 include $(srctree)/tools/scripts/utilities.mak
211                                                   153 
212 ifeq ($(call get-executable,$(FLEX)),)            154 ifeq ($(call get-executable,$(FLEX)),)
213   $(error Error: $(FLEX) is missing on this sy !! 155   dummy := $(error Error: $(FLEX) is missing on this system, please install it)
214 endif                                             156 endif
215                                                   157 
216 ifeq ($(call get-executable,$(BISON)),)           158 ifeq ($(call get-executable,$(BISON)),)
217   $(error Error: $(BISON) is missing on this s !! 159   dummy := $(error Error: $(BISON) is missing on this system, please install it)
218 endif                                          << 
219                                                << 
220 ifneq ($(OUTPUT),)                             << 
221   ifeq ($(shell expr $(shell $(BISON) --versio << 
222     BISON_FILE_PREFIX_MAP := --file-prefix-map << 
223   endif                                        << 
224 endif                                             160 endif
225                                                   161 
226 # Treat warnings as errors unless directed not    162 # Treat warnings as errors unless directed not to
227 ifneq ($(WERROR),0)                               163 ifneq ($(WERROR),0)
228   CORE_CFLAGS += -Werror                       !! 164   CFLAGS += -Werror
229   CXXFLAGS += -Werror                             165   CXXFLAGS += -Werror
230   HOSTCFLAGS += -Werror                        << 
231 endif                                             166 endif
232                                                   167 
233 ifndef DEBUG                                      168 ifndef DEBUG
234   DEBUG := 0                                      169   DEBUG := 0
235 endif                                             170 endif
236                                                   171 
237 ifeq ($(DEBUG),0)                                 172 ifeq ($(DEBUG),0)
238 CORE_CFLAGS += -DNDEBUG=1                      !! 173 ifeq ($(CC_NO_CLANG), 0)
239 CORE_CFLAGS += -O3                             !! 174   CFLAGS += -O3
240 else                                              175 else
241   CORE_CFLAGS += -g                            !! 176   CFLAGS += -O6
242   CXXFLAGS += -g                               !! 177 endif
243 endif                                             178 endif
244                                                   179 
245 ifdef PARSER_DEBUG                                180 ifdef PARSER_DEBUG
246   PARSER_DEBUG_BISON := -t                        181   PARSER_DEBUG_BISON := -t
247   PARSER_DEBUG_FLEX  := -d                        182   PARSER_DEBUG_FLEX  := -d
248   CFLAGS             += -DPARSER_DEBUG            183   CFLAGS             += -DPARSER_DEBUG
249   $(call detected_var,PARSER_DEBUG_BISON)         184   $(call detected_var,PARSER_DEBUG_BISON)
250   $(call detected_var,PARSER_DEBUG_FLEX)          185   $(call detected_var,PARSER_DEBUG_FLEX)
251 endif                                             186 endif
252                                                   187 
253 ifdef LTO                                      << 
254   CORE_CFLAGS += -flto                         << 
255   CXXFLAGS += -flto                            << 
256 endif                                          << 
257                                                << 
258 # Try different combinations to accommodate sy    188 # Try different combinations to accommodate systems that only have
259 # python[2][3]-config in weird combinations in !! 189 # python[2][-config] in weird combinations but always preferring
260 # priority from lowest to highest:             !! 190 # python2 and python2-config as per pep-0394. If we catch a
261 #   * python2-config as per pep-0394.          !! 191 # python[-config] in version 3, the version check will kill it.
262 #   * python-config                            !! 192 PYTHON2 := $(if $(call get-executable,python2),python2,python)
263 #   * python3-config                           !! 193 override PYTHON := $(call get-executable-or-default,PYTHON,$(PYTHON2))
264 #   * $(PYTHON)-config (If PYTHON is user supp !! 194 PYTHON2_CONFIG := \
265 #                                              !! 195   $(if $(call get-executable,$(PYTHON)-config),$(PYTHON)-config,python-config)
266 PYTHON_AUTO := python-config                   !! 196 override PYTHON_CONFIG := \
267 PYTHON_AUTO := $(if $(call get-executable,pyth !! 197   $(call get-executable-or-default,PYTHON_CONFIG,$(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                                                   198 
287 grep-libs  = $(filter -l%,$(1))                   199 grep-libs  = $(filter -l%,$(1))
288 strip-libs  = $(filter-out -l%,$(1))              200 strip-libs  = $(filter-out -l%,$(1))
289                                                   201 
290 PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_C    202 PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
291                                                   203 
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                               204 ifdef PYTHON_CONFIG
302   PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONF !! 205   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 := $(call strip-libs,$(    206   PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
309   PYTHON_EMBED_LIBADD := $(call grep-libs,$(PY    207   PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
310   PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONF !! 208   PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
                                                   >> 209   PYTHON_EMBED_CCOPTS := $(filter-out -specs=%,$(PYTHON_EMBED_CCOPTS))
311   FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS)    210   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                                             211 endif
316                                                   212 
317 FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMB    213 FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
318 FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EM    214 FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
                                                   >> 215 FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
                                                   >> 216 FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
319                                                   217 
320 FEATURE_CHECK_LDFLAGS-libaio = -lrt            !! 218 CFLAGS += -fno-omit-frame-pointer
321                                                !! 219 CFLAGS += -ggdb3
322 FEATURE_CHECK_LDFLAGS-disassembler-four-args = !! 220 CFLAGS += -funwind-tables
323 FEATURE_CHECK_LDFLAGS-disassembler-init-styled !! 221 CFLAGS += -Wall
                                                   >> 222 CFLAGS += -Wextra
                                                   >> 223 CFLAGS += -std=gnu99
324                                                   224 
325 CORE_CFLAGS += -fno-omit-frame-pointer         !! 225 CXXFLAGS += -std=gnu++11 -fno-exceptions -fno-rtti
326 CORE_CFLAGS += -Wall                           << 
327 CORE_CFLAGS += -Wextra                         << 
328 CORE_CFLAGS += -std=gnu11                      << 
329                                                << 
330 CXXFLAGS += -std=gnu++17 -fno-exceptions -fno- << 
331 CXXFLAGS += -Wall                                 226 CXXFLAGS += -Wall
332 CXXFLAGS += -Wextra                            << 
333 CXXFLAGS += -fno-omit-frame-pointer               227 CXXFLAGS += -fno-omit-frame-pointer
334                                                !! 228 CXXFLAGS += -ggdb3
335 HOSTCFLAGS += -Wall                            !! 229 CXXFLAGS += -funwind-tables
336 HOSTCFLAGS += -Wextra                          !! 230 CXXFLAGS += -Wno-strict-aliasing
337                                                   231 
338 # Enforce a non-executable stack, as we may re    232 # Enforce a non-executable stack, as we may regress (again) in the future by
339 # adding assembler files missing the .GNU-stac    233 # adding assembler files missing the .GNU-stack linker note.
340 LDFLAGS += -Wl,-z,noexecstack                     234 LDFLAGS += -Wl,-z,noexecstack
341                                                   235 
342 EXTLIBS = -lpthread -lrt -lm -ldl                 236 EXTLIBS = -lpthread -lrt -lm -ldl
343                                                   237 
344 ifneq ($(TCMALLOC),)                           << 
345   CFLAGS += -fno-builtin-malloc -fno-builtin-c << 
346   EXTLIBS += -ltcmalloc                        << 
347 endif                                          << 
348                                                << 
349 ifeq ($(FEATURES_DUMP),)                          238 ifeq ($(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    239 include $(srctree)/tools/build/Makefile.feature
354 else                                              240 else
355 include $(FEATURES_DUMP)                          241 include $(FEATURES_DUMP)
356 endif                                             242 endif
357                                                   243 
358 ifeq ($(feature-stackprotector-all), 1)           244 ifeq ($(feature-stackprotector-all), 1)
359   CORE_CFLAGS += -fstack-protector-all         !! 245   CFLAGS += -fstack-protector-all
360 endif                                             246 endif
361                                                   247 
362 ifeq ($(DEBUG),0)                                 248 ifeq ($(DEBUG),0)
363   ifeq ($(feature-fortify-source), 1)             249   ifeq ($(feature-fortify-source), 1)
364     CORE_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIF !! 250     CFLAGS += -D_FORTIFY_SOURCE=2
365   endif                                           251   endif
366 endif                                             252 endif
367                                                   253 
368 INC_FLAGS += -I$(src-perf)/util/include           254 INC_FLAGS += -I$(src-perf)/util/include
369 INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/inc    255 INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
                                                   >> 256 INC_FLAGS += -I$(srctree)/tools/include/uapi
370 INC_FLAGS += -I$(srctree)/tools/include/          257 INC_FLAGS += -I$(srctree)/tools/include/
371 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH    258 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
372 INC_FLAGS += -I$(srctree)/tools/include/uapi   << 
373 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH    259 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
374 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH    260 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
375                                                   261 
376 # $(obj-perf)      for generated common-cmds.h    262 # $(obj-perf)      for generated common-cmds.h
377 # $(obj-perf)/util for generated bison/flex he    263 # $(obj-perf)/util for generated bison/flex headers
378 ifneq ($(OUTPUT),)                                264 ifneq ($(OUTPUT),)
379 INC_FLAGS += -I$(obj-perf)/util                   265 INC_FLAGS += -I$(obj-perf)/util
380 INC_FLAGS += -I$(obj-perf)                        266 INC_FLAGS += -I$(obj-perf)
381 endif                                             267 endif
382                                                   268 
383 INC_FLAGS += -I$(src-perf)/util                   269 INC_FLAGS += -I$(src-perf)/util
384 INC_FLAGS += -I$(src-perf)                        270 INC_FLAGS += -I$(src-perf)
                                                   >> 271 INC_FLAGS += -I$(srctree)/tools/lib/
385                                                   272 
386 CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_O !! 273 CFLAGS   += $(INC_FLAGS)
387                                                << 
388 CFLAGS   += $(CORE_CFLAGS) $(INC_FLAGS)        << 
389 CXXFLAGS += $(INC_FLAGS)                          274 CXXFLAGS += $(INC_FLAGS)
390                                                   275 
391 LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAG !! 276 CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
                                                   >> 277 
                                                   >> 278 ifeq ($(feature-sync-compare-and-swap), 1)
                                                   >> 279   CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
                                                   >> 280 endif
392                                                   281 
393 ifeq ($(feature-pthread-attr-setaffinity-np),     282 ifeq ($(feature-pthread-attr-setaffinity-np), 1)
394   CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP    283   CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
395 endif                                             284 endif
396                                                   285 
397 ifeq ($(feature-pthread-barrier), 1)              286 ifeq ($(feature-pthread-barrier), 1)
398   CFLAGS += -DHAVE_PTHREAD_BARRIER                287   CFLAGS += -DHAVE_PTHREAD_BARRIER
399 endif                                             288 endif
400                                                   289 
401 ifndef NO_BIONIC                                  290 ifndef NO_BIONIC
402   $(call feature_check,bionic)                    291   $(call feature_check,bionic)
403   ifeq ($(feature-bionic), 1)                     292   ifeq ($(feature-bionic), 1)
404     BIONIC := 1                                   293     BIONIC := 1
405     CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE       << 
406     CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE << 
407     EXTLIBS := $(filter-out -lrt,$(EXTLIBS))      294     EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
408     EXTLIBS := $(filter-out -lpthread,$(EXTLIB    295     EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
409   endif                                           296   endif
410 endif                                             297 endif
411                                                   298 
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                                   299 ifdef NO_LIBELF
429   NO_DWARF := 1                                   300   NO_DWARF := 1
                                                   >> 301   NO_DEMANGLE := 1
430   NO_LIBUNWIND := 1                               302   NO_LIBUNWIND := 1
431   NO_LIBDW_DWARF_UNWIND := 1                      303   NO_LIBDW_DWARF_UNWIND := 1
432   NO_LIBBPF := 1                                  304   NO_LIBBPF := 1
433   NO_JVMTI := 1                                   305   NO_JVMTI := 1
434 else                                              306 else
435   ifeq ($(feature-libelf), 0)                     307   ifeq ($(feature-libelf), 0)
436     ifeq ($(feature-glibc), 1)                    308     ifeq ($(feature-glibc), 1)
437       LIBC_SUPPORT := 1                           309       LIBC_SUPPORT := 1
438     endif                                         310     endif
439     ifeq ($(BIONIC),1)                            311     ifeq ($(BIONIC),1)
440       LIBC_SUPPORT := 1                           312       LIBC_SUPPORT := 1
441     endif                                         313     endif
442     ifeq ($(LIBC_SUPPORT),1)                      314     ifeq ($(LIBC_SUPPORT),1)
443       $(error ERROR: No libelf found. Disables !! 315       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           $(error No libubsan found, please in << 
454         endif                                  << 
455       endif                                    << 
456                                                   316 
                                                   >> 317       NO_LIBELF := 1
                                                   >> 318       NO_DWARF := 1
                                                   >> 319       NO_DEMANGLE := 1
                                                   >> 320       NO_LIBUNWIND := 1
                                                   >> 321       NO_LIBDW_DWARF_UNWIND := 1
                                                   >> 322       NO_LIBBPF := 1
                                                   >> 323       NO_JVMTI := 1
                                                   >> 324     else
457       ifneq ($(filter s% -static%,$(LDFLAGS),)    325       ifneq ($(filter s% -static%,$(LDFLAGS),),)
458         $(error No static glibc found, please  !! 326         msg := $(error No static glibc found, please install glibc-static);
459       else                                        327       else
460         $(error No gnu/libc-version.h found, p !! 328         msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
461       endif                                       329       endif
462     endif                                         330     endif
463   else                                            331   else
464     ifndef NO_LIBDW_DWARF_UNWIND                  332     ifndef NO_LIBDW_DWARF_UNWIND
465       ifneq ($(feature-libdw-dwarf-unwind),1)     333       ifneq ($(feature-libdw-dwarf-unwind),1)
466         NO_LIBDW_DWARF_UNWIND := 1                334         NO_LIBDW_DWARF_UNWIND := 1
467         $(warning No libdw DWARF unwind found, !! 335         msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
468       endif                                       336       endif
469     endif                                         337     endif
470     ifneq ($(feature-dwarf), 1)                   338     ifneq ($(feature-dwarf), 1)
471       ifndef NO_DWARF                             339       ifndef NO_DWARF
472         $(warning No libdw.h found or old libd !! 340         msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
473         NO_DWARF := 1                             341         NO_DWARF := 1
474       endif                                       342       endif
475     else                                          343     else
476       ifneq ($(feature-dwarf_getlocations), 1)    344       ifneq ($(feature-dwarf_getlocations), 1)
477         $(warning Old libdw.h, finding variabl !! 345         msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
478       else                                        346       else
479         CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SU !! 347         CFLAGS += -DHAVE_DWARF_GETLOCATIONS
480       endif # dwarf_getlocations                  348       endif # dwarf_getlocations
481       ifneq ($(feature-dwarf_getcfi), 1)       << 
482         $(warning Old libdw.h, finding variabl << 
483       else                                     << 
484         CFLAGS += -DHAVE_DWARF_CFI_SUPPORT     << 
485       endif # dwarf_getcfi                     << 
486     endif # Dwarf support                         349     endif # Dwarf support
487   endif # libelf support                          350   endif # libelf support
488 endif # NO_LIBELF                                 351 endif # NO_LIBELF
489                                                   352 
490 ifeq ($(feature-libaio), 1)                    << 
491   ifndef NO_AIO                                << 
492     CFLAGS += -DHAVE_AIO_SUPPORT               << 
493   endif                                        << 
494 endif                                          << 
495                                                << 
496 ifdef NO_DWARF                                    353 ifdef NO_DWARF
497   NO_LIBDW_DWARF_UNWIND := 1                      354   NO_LIBDW_DWARF_UNWIND := 1
498 endif                                             355 endif
499                                                   356 
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)                 357 ifeq ($(feature-sched_getcpu), 1)
508   CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT           358   CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
509 endif                                             359 endif
510                                                   360 
511 ifeq ($(feature-setns), 1)                        361 ifeq ($(feature-setns), 1)
512   CFLAGS += -DHAVE_SETNS_SUPPORT                  362   CFLAGS += -DHAVE_SETNS_SUPPORT
513   $(call detected,CONFIG_SETNS)                   363   $(call detected,CONFIG_SETNS)
514 endif                                             364 endif
515                                                   365 
516 ifdef CORESIGHT                                !! 366 ifndef NO_CORESIGHT
517   $(call feature_check,libopencsd)             << 
518   ifeq ($(feature-libopencsd), 1)                 367   ifeq ($(feature-libopencsd), 1)
519     CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPEN    368     CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
520     ifeq ($(feature-reallocarray), 0)          << 
521       CFLAGS += -DCOMPAT_NEED_REALLOCARRAY     << 
522     endif                                      << 
523     LDFLAGS += $(LIBOPENCSD_LDFLAGS)              369     LDFLAGS += $(LIBOPENCSD_LDFLAGS)
524     EXTLIBS += $(OPENCSDLIBS)                     370     EXTLIBS += $(OPENCSDLIBS)
525     $(call detected,CONFIG_LIBOPENCSD)            371     $(call detected,CONFIG_LIBOPENCSD)
526     ifdef CSTRACE_RAW                             372     ifdef CSTRACE_RAW
527       CFLAGS += -DCS_DEBUG_RAW                    373       CFLAGS += -DCS_DEBUG_RAW
528       ifeq (${CSTRACE_RAW}, packed)               374       ifeq (${CSTRACE_RAW}, packed)
529         CFLAGS += -DCS_RAW_PACKED                 375         CFLAGS += -DCS_RAW_PACKED
530       endif                                       376       endif
531     endif                                         377     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                                           378   endif
545 endif                                             379 endif
546                                                   380 
547 ifndef NO_LIBELF                                  381 ifndef NO_LIBELF
548   CFLAGS += -DHAVE_LIBELF_SUPPORT                 382   CFLAGS += -DHAVE_LIBELF_SUPPORT
549   EXTLIBS += -lelf                                383   EXTLIBS += -lelf
550   $(call detected,CONFIG_LIBELF)                  384   $(call detected,CONFIG_LIBELF)
551                                                   385 
                                                   >> 386   ifeq ($(feature-libelf-mmap), 1)
                                                   >> 387     CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
                                                   >> 388   endif
                                                   >> 389 
552   ifeq ($(feature-libelf-getphdrnum), 1)          390   ifeq ($(feature-libelf-getphdrnum), 1)
553     CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT       391     CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
554   endif                                           392   endif
555                                                   393 
556   ifeq ($(feature-libelf-gelf_getnote), 1)        394   ifeq ($(feature-libelf-gelf_getnote), 1)
557     CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT         395     CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
558   else                                            396   else
559     $(warning gelf_getnote() not found on libe !! 397     msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
560   endif                                           398   endif
561                                                   399 
562   ifeq ($(feature-libelf-getshdrstrndx), 1)       400   ifeq ($(feature-libelf-getshdrstrndx), 1)
563     CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT    401     CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
564   endif                                           402   endif
565                                                   403 
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                                 404   ifndef NO_DWARF
575     ifeq ($(origin PERF_HAVE_DWARF_REGS), unde    405     ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
576       $(warning DWARF register mappings have n !! 406       msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
577       NO_DWARF := 1                               407       NO_DWARF := 1
578     else                                          408     else
579       CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_C    409       CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
580       LDFLAGS += $(LIBDW_LDFLAGS)                 410       LDFLAGS += $(LIBDW_LDFLAGS)
581       EXTLIBS += ${DWARFLIBS}                     411       EXTLIBS += ${DWARFLIBS}
582       $(call detected,CONFIG_DWARF)               412       $(call detected,CONFIG_DWARF)
583     endif # PERF_HAVE_DWARF_REGS                  413     endif # PERF_HAVE_DWARF_REGS
584   endif # NO_DWARF                                414   endif # NO_DWARF
585                                                   415 
586   ifndef NO_LIBBPF                                416   ifndef NO_LIBBPF
587     ifeq ($(feature-bpf), 1)                      417     ifeq ($(feature-bpf), 1)
588       # detecting libbpf without LIBBPF_DYNAMI !! 418       CFLAGS += -DHAVE_LIBBPF_SUPPORT
589       $(call feature_check,libbpf)             !! 419       $(call detected,CONFIG_LIBBPF)
                                                   >> 420     endif
590                                                   421 
591       ifdef LIBBPF_DYNAMIC                     !! 422     ifndef NO_DWARF
592         ifeq ($(feature-libbpf), 1)            !! 423       ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
593           EXTLIBS += -lbpf                     !! 424         CFLAGS += -DHAVE_BPF_PROLOGUE
594           CFLAGS += -DHAVE_LIBBPF_SUPPORT      !! 425         $(call detected,CONFIG_BPF_PROLOGUE)
595           $(call detected,CONFIG_LIBBPF)       << 
596           $(call detected,CONFIG_LIBBPF_DYNAMI << 
597         else                                   << 
598           $(error Error: No libbpf devel libra << 
599         endif                                  << 
600       else                                        426       else
601         ifeq ($(NO_ZLIB), 1)                   !! 427         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                                       428       endif
                                                   >> 429     else
                                                   >> 430       msg := $(warning DWARF support is off, BPF prologue is disabled);
611     endif                                         431     endif
                                                   >> 432 
612   endif # NO_LIBBPF                               433   endif # NO_LIBBPF
613 endif # NO_LIBELF                                 434 endif # NO_LIBELF
614                                                   435 
615 ifndef NO_SDT                                     436 ifndef NO_SDT
616   ifneq ($(feature-sdt), 1)                       437   ifneq ($(feature-sdt), 1)
617     $(warning No sys/sdt.h found, no SDT event !! 438     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;                                  439     NO_SDT := 1;
619   else                                            440   else
620     CFLAGS += -DHAVE_SDT_EVENT                    441     CFLAGS += -DHAVE_SDT_EVENT
621     $(call detected,CONFIG_SDT_EVENT)             442     $(call detected,CONFIG_SDT_EVENT)
622   endif                                           443   endif
623 endif                                             444 endif
624                                                   445 
625 ifdef PERF_HAVE_JITDUMP                           446 ifdef PERF_HAVE_JITDUMP
626   ifndef NO_LIBELF                                447   ifndef NO_LIBELF
627     $(call detected,CONFIG_JITDUMP)               448     $(call detected,CONFIG_JITDUMP)
628     CFLAGS += -DHAVE_JITDUMP                      449     CFLAGS += -DHAVE_JITDUMP
629   endif                                           450   endif
630 endif                                             451 endif
631                                                   452 
632 ifeq ($(SRCARCH),powerpc)                         453 ifeq ($(SRCARCH),powerpc)
633   ifndef NO_DWARF                                 454   ifndef NO_DWARF
634     CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX           455     CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
635   endif                                           456   endif
636 endif                                             457 endif
637                                                   458 
638 ifndef NO_LIBUNWIND                               459 ifndef NO_LIBUNWIND
639   have_libunwind :=                               460   have_libunwind :=
640                                                   461 
641   $(call feature_check,libunwind-x86)          << 
642   ifeq ($(feature-libunwind-x86), 1)              462   ifeq ($(feature-libunwind-x86), 1)
643     $(call detected,CONFIG_LIBUNWIND_X86)         463     $(call detected,CONFIG_LIBUNWIND_X86)
644     CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT        464     CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
645     LDFLAGS += -lunwind-x86                       465     LDFLAGS += -lunwind-x86
646     EXTLIBS_LIBUNWIND += -lunwind-x86             466     EXTLIBS_LIBUNWIND += -lunwind-x86
647     have_libunwind = 1                            467     have_libunwind = 1
648   endif                                           468   endif
649                                                   469 
650   $(call feature_check,libunwind-aarch64)      << 
651   ifeq ($(feature-libunwind-aarch64), 1)          470   ifeq ($(feature-libunwind-aarch64), 1)
652     $(call detected,CONFIG_LIBUNWIND_AARCH64)     471     $(call detected,CONFIG_LIBUNWIND_AARCH64)
653     CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT    472     CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
654     LDFLAGS += -lunwind-aarch64                   473     LDFLAGS += -lunwind-aarch64
655     EXTLIBS_LIBUNWIND += -lunwind-aarch64         474     EXTLIBS_LIBUNWIND += -lunwind-aarch64
656     have_libunwind = 1                            475     have_libunwind = 1
657     $(call feature_check,libunwind-debug-frame    476     $(call feature_check,libunwind-debug-frame-aarch64)
658     ifneq ($(feature-libunwind-debug-frame-aar    477     ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
659       $(warning No debug_frame support found i !! 478       msg := $(warning No debug_frame support found in libunwind-aarch64);
660       CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AAR    479       CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
661     endif                                         480     endif
662   endif                                           481   endif
663                                                   482 
664   ifneq ($(feature-libunwind), 1)                 483   ifneq ($(feature-libunwind), 1)
665     $(warning No libunwind found. Please insta !! 484     msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
666     NO_LOCAL_LIBUNWIND := 1                       485     NO_LOCAL_LIBUNWIND := 1
667   else                                            486   else
668     have_libunwind := 1                           487     have_libunwind := 1
669     $(call detected,CONFIG_LOCAL_LIBUNWIND)       488     $(call detected,CONFIG_LOCAL_LIBUNWIND)
670   endif                                           489   endif
671                                                   490 
672   ifneq ($(have_libunwind), 1)                    491   ifneq ($(have_libunwind), 1)
673     NO_LIBUNWIND := 1                             492     NO_LIBUNWIND := 1
674   endif                                           493   endif
675 else                                              494 else
676   NO_LOCAL_LIBUNWIND := 1                         495   NO_LOCAL_LIBUNWIND := 1
677 endif                                             496 endif
678                                                   497 
679 ifndef NO_LIBBPF                                  498 ifndef NO_LIBBPF
680   ifneq ($(feature-bpf), 1)                       499   ifneq ($(feature-bpf), 1)
681     $(warning BPF API too old. Please install  !! 500     msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
682     NO_LIBBPF := 1                                501     NO_LIBBPF := 1
683   endif                                           502   endif
684 endif                                             503 endif
685                                                   504 
686 ifndef BUILD_BPF_SKEL                          << 
687   # BPF skeletons control a large number of pe << 
688   # they are enabled.                          << 
689   BUILD_BPF_SKEL := 1                          << 
690 endif                                          << 
691                                                << 
692 ifeq ($(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                            505 dwarf-post-unwind := 1
730 dwarf-post-unwind-text := BUG                     506 dwarf-post-unwind-text := BUG
731                                                   507 
732 # setup DWARF post unwinder                       508 # setup DWARF post unwinder
733 ifdef NO_LIBUNWIND                                509 ifdef NO_LIBUNWIND
734   ifdef NO_LIBDW_DWARF_UNWIND                     510   ifdef NO_LIBDW_DWARF_UNWIND
735     $(warning Disabling post unwind, no suppor !! 511     msg := $(warning Disabling post unwind, no support found.);
736     dwarf-post-unwind := 0                        512     dwarf-post-unwind := 0
737   else                                            513   else
738     dwarf-post-unwind-text := libdw               514     dwarf-post-unwind-text := libdw
739     $(call detected,CONFIG_LIBDW_DWARF_UNWIND)    515     $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
740   endif                                           516   endif
741 else                                              517 else
742   dwarf-post-unwind-text := libunwind             518   dwarf-post-unwind-text := libunwind
743   $(call detected,CONFIG_LIBUNWIND)               519   $(call detected,CONFIG_LIBUNWIND)
744   # Enable libunwind support by default.          520   # Enable libunwind support by default.
745   ifndef NO_LIBDW_DWARF_UNWIND                    521   ifndef NO_LIBDW_DWARF_UNWIND
746     NO_LIBDW_DWARF_UNWIND := 1                    522     NO_LIBDW_DWARF_UNWIND := 1
747   endif                                           523   endif
748 endif                                             524 endif
749                                                   525 
750 ifeq ($(dwarf-post-unwind),1)                     526 ifeq ($(dwarf-post-unwind),1)
751   CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT           527   CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
752   $(call detected,CONFIG_DWARF_UNWIND)            528   $(call detected,CONFIG_DWARF_UNWIND)
753 else                                              529 else
754   NO_DWARF_UNWIND := 1                            530   NO_DWARF_UNWIND := 1
755 endif                                             531 endif
756                                                   532 
757 ifndef NO_LOCAL_LIBUNWIND                         533 ifndef NO_LOCAL_LIBUNWIND
758   ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm    534   ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
759     $(call feature_check,libunwind-debug-frame    535     $(call feature_check,libunwind-debug-frame)
760     ifneq ($(feature-libunwind-debug-frame), 1    536     ifneq ($(feature-libunwind-debug-frame), 1)
761       $(warning No debug_frame support found i !! 537       msg := $(warning No debug_frame support found in libunwind);
762       CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME        538       CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
763     endif                                         539     endif
764   else                                            540   else
765     # non-ARM has no dwarf_find_debug_frame()     541     # non-ARM has no dwarf_find_debug_frame() function:
766     CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME          542     CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
767   endif                                           543   endif
768   EXTLIBS += $(LIBUNWIND_LIBS)                    544   EXTLIBS += $(LIBUNWIND_LIBS)
769   LDFLAGS += $(LIBUNWIND_LIBS)                    545   LDFLAGS += $(LIBUNWIND_LIBS)
770 endif                                             546 endif
771 ifeq ($(findstring -static,${LDFLAGS}),-static    547 ifeq ($(findstring -static,${LDFLAGS}),-static)
772   # gcc -static links libgcc_eh which contans     548   # gcc -static links libgcc_eh which contans piece of libunwind
773   LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-de    549   LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
774 endif                                             550 endif
775                                                   551 
776 ifndef NO_LIBUNWIND                               552 ifndef NO_LIBUNWIND
777   CFLAGS  += -DHAVE_LIBUNWIND_SUPPORT             553   CFLAGS  += -DHAVE_LIBUNWIND_SUPPORT
778   CFLAGS  += $(LIBUNWIND_CFLAGS)                  554   CFLAGS  += $(LIBUNWIND_CFLAGS)
779   LDFLAGS += $(LIBUNWIND_LDFLAGS)                 555   LDFLAGS += $(LIBUNWIND_LDFLAGS)
780   EXTLIBS += $(EXTLIBS_LIBUNWIND)                 556   EXTLIBS += $(EXTLIBS_LIBUNWIND)
781 endif                                             557 endif
782                                                   558 
783 ifneq ($(NO_LIBTRACEEVENT),1)                  !! 559 ifeq ($(NO_SYSCALL_TABLE),0)
784   ifeq ($(NO_SYSCALL_TABLE),0)                 !! 560   $(call detected,CONFIG_TRACE)
785     $(call detected,CONFIG_TRACE)              !! 561 else
786   else                                         !! 562   ifndef NO_LIBAUDIT
787     ifndef NO_LIBAUDIT                         !! 563     ifneq ($(feature-libaudit), 1)
788       $(call feature_check,libaudit)           !! 564       msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
789       ifneq ($(feature-libaudit), 1)           !! 565       NO_LIBAUDIT := 1
790         $(warning No libaudit.h found, disable !! 566     else
791         NO_LIBAUDIT := 1                       !! 567       CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
792       else                                     !! 568       EXTLIBS += -laudit
793         CFLAGS += -DHAVE_LIBAUDIT_SUPPORT      !! 569       $(call detected,CONFIG_TRACE)
794         EXTLIBS += -laudit                     << 
795         $(call detected,CONFIG_TRACE)          << 
796       endif                                    << 
797     endif                                         570     endif
798   endif                                           571   endif
799 endif                                             572 endif
800                                                   573 
801 ifndef NO_LIBCRYPTO                               574 ifndef NO_LIBCRYPTO
802   ifneq ($(feature-libcrypto), 1)                 575   ifneq ($(feature-libcrypto), 1)
803     $(warning No libcrypto.h found, disables j !! 576     msg := $(warning No libcrypto.h found, disables jitted code injection, please install libssl-devel or libssl-dev);
804     NO_LIBCRYPTO := 1                             577     NO_LIBCRYPTO := 1
805   else                                            578   else
806     CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT            579     CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
807     EXTLIBS += -lcrypto                           580     EXTLIBS += -lcrypto
808     $(call detected,CONFIG_CRYPTO)                581     $(call detected,CONFIG_CRYPTO)
809   endif                                           582   endif
810 endif                                             583 endif
811                                                   584 
                                                   >> 585 ifdef NO_NEWT
                                                   >> 586   NO_SLANG=1
                                                   >> 587 endif
                                                   >> 588 
812 ifndef NO_SLANG                                   589 ifndef NO_SLANG
813   ifneq ($(feature-libslang), 1)                  590   ifneq ($(feature-libslang), 1)
814     ifneq ($(feature-libslang-include-subdir), !! 591     msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
815       $(warning slang not found, disables TUI  !! 592     NO_SLANG := 1
816       NO_SLANG := 1                            !! 593   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    594     # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
                                                   >> 595     CFLAGS += -I/usr/include/slang
823     CFLAGS += -DHAVE_SLANG_SUPPORT                596     CFLAGS += -DHAVE_SLANG_SUPPORT
824     EXTLIBS += -lslang                            597     EXTLIBS += -lslang
825     $(call detected,CONFIG_SLANG)                 598     $(call detected,CONFIG_SLANG)
826   endif                                           599   endif
827 endif                                             600 endif
828                                                   601 
829 ifdef GTK2                                     !! 602 ifndef NO_GTK2
830   FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $    603   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)                      604   ifneq ($(feature-gtk2), 1)
833     $(warning GTK2 not found, disables GTK2 su !! 605     msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
834     NO_GTK2 := 1                                  606     NO_GTK2 := 1
835   else                                            607   else
836     $(call feature_check,gtk2-infobar)         << 
837     ifeq ($(feature-gtk2-infobar), 1)             608     ifeq ($(feature-gtk2-infobar), 1)
838       GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPOR    609       GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
839     endif                                         610     endif
840     CFLAGS += -DHAVE_GTK2_SUPPORT                 611     CFLAGS += -DHAVE_GTK2_SUPPORT
841     GTK_CFLAGS += $(shell $(PKG_CONFIG) --cfla    612     GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
842     GTK_LIBS := $(shell $(PKG_CONFIG) --libs g    613     GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
843     EXTLIBS += -ldl                               614     EXTLIBS += -ldl
844   endif                                           615   endif
845 endif                                             616 endif
846                                                   617 
847 ifdef NO_LIBPERL                                  618 ifdef NO_LIBPERL
848   CFLAGS += -DNO_LIBPERL                          619   CFLAGS += -DNO_LIBPERL
849 else                                              620 else
850   PERL_EMBED_LDOPTS = $(shell perl -MExtUtils:    621   PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
851   PERL_EMBED_LDFLAGS = $(call strip-libs,$(PER    622   PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
852   PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_    623   PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
853   PERL_EMBED_CCOPTS = $(shell perl -MExtUtils:    624   PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
854   PERL_EMBED_CCOPTS := $(filter-out -specs=%,$    625   PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
855   PERL_EMBED_CCOPTS := $(filter-out -flto=auto << 
856   PERL_EMBED_LDOPTS := $(filter-out -specs=%,$    626   PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
857   FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL    627   FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
858                                                   628 
859   ifneq ($(feature-libperl), 1)                   629   ifneq ($(feature-libperl), 1)
860     CFLAGS += -DNO_LIBPERL                        630     CFLAGS += -DNO_LIBPERL
861     NO_LIBPERL := 1                               631     NO_LIBPERL := 1
862     $(warning Missing perl devel files. Disabl !! 632     msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
863   else                                            633   else
864     LDFLAGS += $(PERL_EMBED_LDFLAGS)              634     LDFLAGS += $(PERL_EMBED_LDFLAGS)
865     EXTLIBS += $(PERL_EMBED_LIBADD)               635     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)               636     $(call detected,CONFIG_LIBPERL)
871   endif                                           637   endif
872 endif                                             638 endif
873                                                   639 
874 ifeq ($(feature-timerfd), 1)                      640 ifeq ($(feature-timerfd), 1)
875   CFLAGS += -DHAVE_TIMERFD_SUPPORT                641   CFLAGS += -DHAVE_TIMERFD_SUPPORT
876 else                                              642 else
877   $(warning No timerfd support. Disables 'perf !! 643   msg := $(warning No timerfd support. Disables 'perf kvm stat live');
878 endif                                             644 endif
879                                                   645 
880 disable-python = $(eval $(disable-python_code)    646 disable-python = $(eval $(disable-python_code))
881 define disable-python_code                        647 define disable-python_code
882   CFLAGS += -DNO_LIBPYTHON                        648   CFLAGS += -DNO_LIBPYTHON
883   $(warning $1)                                   649   $(warning $1)
884   NO_LIBPYTHON := 1                               650   NO_LIBPYTHON := 1
885 endef                                             651 endef
886                                                   652 
887 PYTHON_EXTENSION_SUFFIX := '.so'               << 
888 ifdef NO_LIBPYTHON                                653 ifdef NO_LIBPYTHON
889   $(call disable-python,Python support disable    654   $(call disable-python,Python support disabled by user)
890 else                                              655 else
891                                                   656 
892   ifndef PYTHON                                   657   ifndef PYTHON
893     $(call disable-python,No python interprete    658     $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
894   else                                            659   else
895     PYTHON_WORD := $(call shell-wordify,$(PYTH    660     PYTHON_WORD := $(call shell-wordify,$(PYTHON))
896                                                   661 
897     ifndef PYTHON_CONFIG                          662     ifndef PYTHON_CONFIG
898       $(call disable-python,No 'python-config'    663       $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
899     else                                          664     else
900                                                   665 
901       ifneq ($(feature-libpython), 1)             666       ifneq ($(feature-libpython), 1)
902         $(call disable-python,No 'Python.h' wa !! 667         $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
903       else                                        668       else
904          LDFLAGS += $(PYTHON_EMBED_LDFLAGS)    !! 669         ifneq ($(feature-libpython-version), 1)
905          EXTLIBS += $(PYTHON_EMBED_LIBADD)     !! 670           $(warning Python 3 is not yet supported; please set)
906          PYTHON_SETUPTOOLS_INSTALLED := $(shel !! 671           $(warning PYTHON and/or PYTHON_CONFIG appropriately.)
907          ifeq ($(PYTHON_SETUPTOOLS_INSTALLED), !! 672           $(warning If you also have Python 2 installed, then)
908            PYTHON_EXTENSION_SUFFIX := $(shell  !! 673           $(warning try something like:)
909            ifdef CROSS_COMPILE                 !! 674           $(warning $(and ,))
910              PYTHON_EXTENSION_SUFFIX := $(subs !! 675           $(warning $(and ,)  make PYTHON=python2)
911            endif                               !! 676           $(warning $(and ,))
912            LANG_BINDINGS += $(obj-perf)python/ !! 677           $(warning Otherwise, disable Python support entirely:)
913          else                                  !! 678           $(warning $(and ,))
914            $(warning Missing python setuptools !! 679           $(warning $(and ,)  make NO_LIBPYTHON=1)
915          endif                                 !! 680           $(warning $(and ,))
916          CFLAGS += -DHAVE_LIBPYTHON_SUPPORT    !! 681           $(error   $(and ,))
917          $(call detected,CONFIG_LIBPYTHON)     !! 682         else
918          ifeq ($(filter -fPIC,$(CFLAGS)),)     !! 683           LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
919            # Building a shared library require !! 684           EXTLIBS += $(PYTHON_EMBED_LIBADD)
920            CFLAGS += -fPIC                     !! 685           LANG_BINDINGS += $(obj-perf)python/perf.so
921            CXXFLAGS += -fPIC                   !! 686           $(call detected,CONFIG_LIBPYTHON)
922          endif                                 !! 687         endif
923       endif                                       688       endif
924     endif                                         689     endif
925   endif                                           690   endif
926 endif                                             691 endif
927                                                   692 
928 ifneq ($(NO_JEVENTS),1)                        !! 693 ifeq ($(feature-libbfd), 1)
929   ifeq ($(wildcard pmu-events/arch/$(SRCARCH)/ !! 694   EXTLIBS += -lbfd
930     NO_JEVENTS := 1                            !! 695 
931   endif                                        !! 696   # call all detections now so we get correct
932 endif                                          !! 697   # status in VF output
933 ifneq ($(NO_JEVENTS),1)                        !! 698   $(call feature_check,liberty)
934   NO_JEVENTS := 0                              !! 699   $(call feature_check,liberty-z)
935   ifndef PYTHON                                !! 700   $(call feature_check,cplus-demangle)
936     $(error ERROR: No python interpreter neede !! 701 
937   else                                         !! 702   ifeq ($(feature-liberty), 1)
938     # jevents.py uses f-strings present in Pyt !! 703     EXTLIBS += -liberty
939     JEVENTS_PYTHON_GOOD := $(shell $(PYTHON) - !! 704   else
940     ifneq ($(JEVENTS_PYTHON_GOOD), 1)          !! 705     ifeq ($(feature-liberty-z), 1)
941       $(error ERROR: Python interpreter needed !! 706       EXTLIBS += -liberty -lz
942     endif                                         707     endif
943   endif                                           708   endif
944 endif                                             709 endif
945                                                   710 
946 ifdef BUILD_NONDISTRO                          !! 711 ifdef NO_DEMANGLE
947   ifeq ($(feature-libbfd), 1)                  !! 712   CFLAGS += -DNO_DEMANGLE
948     EXTLIBS += -lbfd -lopcodes                 !! 713 else
949   else                                         !! 714   ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
950     # we are on a system that requires -libert !! 715     EXTLIBS += -liberty
951     # to link against -lbfd; test each case in !! 716     CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
952                                                !! 717   else
953     # call all detections now so we get correc !! 718     ifneq ($(feature-libbfd), 1)
954     # status in VF output                      !! 719       ifneq ($(feature-liberty), 1)
955     $(call feature_check,libbfd-liberty)       !! 720         ifneq ($(feature-liberty-z), 1)
956     $(call feature_check,libbfd-liberty-z)     !! 721           # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
957                                                !! 722           # or any of 'bfd iberty z' trinity
958     ifeq ($(feature-libbfd-liberty), 1)        !! 723           ifeq ($(feature-cplus-demangle), 1)
959       EXTLIBS += -lbfd -lopcodes -liberty      !! 724             EXTLIBS += -liberty
960       FEATURE_CHECK_LDFLAGS-disassembler-four- !! 725             CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
961       FEATURE_CHECK_LDFLAGS-disassembler-init- !! 726           else
962     else                                       !! 727             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)    !! 728             CFLAGS += -DNO_DEMANGLE
964         EXTLIBS += -lbfd -lopcodes -liberty -l !! 729           endif
965         FEATURE_CHECK_LDFLAGS-disassembler-fou !! 730         endif
966         FEATURE_CHECK_LDFLAGS-disassembler-ini << 
967       endif                                       731       endif
968     endif                                         732     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     $(warning Old version of libbfd/binutils t << 
979   endif                                           733   endif
980 endif                                             734 endif
981                                                   735 
982 ifndef NO_LIBLLVM                              !! 736 ifneq ($(filter -lbfd,$(EXTLIBS)),)
983   $(call feature_check,llvm-perf)              !! 737   CFLAGS += -DHAVE_LIBBFD_SUPPORT
984   ifeq ($(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                                             738 endif
998                                                   739 
999 ifndef NO_DEMANGLE                             !! 740 ifndef NO_ZLIB
1000   $(call feature_check,cxa-demangle)          !! 741   ifeq ($(feature-zlib), 1)
1001   ifeq ($(feature-cxa-demangle), 1)           !! 742     CFLAGS += -DHAVE_ZLIB_SUPPORT
1002     EXTLIBS += -lstdc++                       !! 743     EXTLIBS += -lz
1003     CFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT     !! 744     $(call detected,CONFIG_ZLIB)
1004     CXXFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT   !! 745   else
1005     $(call detected,CONFIG_CXX_DEMANGLE)      !! 746     NO_ZLIB := 1
1006   endif                                       << 
1007   ifdef BUILD_NONDISTRO                       << 
1008     ifeq ($(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                                          747   endif
1019 endif                                            748 endif
1020                                                  749 
1021 ifndef NO_LZMA                                   750 ifndef NO_LZMA
1022   ifeq ($(feature-lzma), 1)                      751   ifeq ($(feature-lzma), 1)
1023     CFLAGS += -DHAVE_LZMA_SUPPORT                752     CFLAGS += -DHAVE_LZMA_SUPPORT
1024     EXTLIBS += -llzma                            753     EXTLIBS += -llzma
1025     $(call detected,CONFIG_LZMA)                 754     $(call detected,CONFIG_LZMA)
1026   else                                           755   else
1027     $(warning No liblzma found, disables xz k !! 756     msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
1028     NO_LZMA := 1                                 757     NO_LZMA := 1
1029   endif                                          758   endif
1030 endif                                            759 endif
1031                                                  760 
1032 ifndef NO_LIBZSTD                             << 
1033   ifeq ($(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     $(warning No libzstd found, disables trac << 
1041     NO_LIBZSTD := 1                           << 
1042   endif                                       << 
1043 endif                                         << 
1044                                               << 
1045 ifndef NO_BACKTRACE                              761 ifndef NO_BACKTRACE
1046   ifeq ($(feature-backtrace), 1)                 762   ifeq ($(feature-backtrace), 1)
1047     CFLAGS += -DHAVE_BACKTRACE_SUPPORT           763     CFLAGS += -DHAVE_BACKTRACE_SUPPORT
1048   endif                                          764   endif
1049 endif                                            765 endif
1050                                                  766 
1051 ifndef NO_LIBNUMA                                767 ifndef NO_LIBNUMA
1052   ifeq ($(feature-libnuma), 0)                   768   ifeq ($(feature-libnuma), 0)
1053     $(warning No numa.h found, disables 'perf !! 769     msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
1054     NO_LIBNUMA := 1                              770     NO_LIBNUMA := 1
1055   else                                           771   else
1056     ifeq ($(feature-numa_num_possible_cpus),     772     ifeq ($(feature-numa_num_possible_cpus), 0)
1057       $(warning Old numa library found, disab !! 773       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                            774       NO_LIBNUMA := 1
1059     else                                         775     else
1060       CFLAGS += -DHAVE_LIBNUMA_SUPPORT           776       CFLAGS += -DHAVE_LIBNUMA_SUPPORT
1061       EXTLIBS += -lnuma                          777       EXTLIBS += -lnuma
1062       $(call detected,CONFIG_NUMA)               778       $(call detected,CONFIG_NUMA)
1063     endif                                        779     endif
1064   endif                                          780   endif
1065 endif                                            781 endif
1066                                                  782 
1067 ifdef HAVE_KVM_STAT_SUPPORT                      783 ifdef HAVE_KVM_STAT_SUPPORT
1068     CFLAGS += -DHAVE_KVM_STAT_SUPPORT            784     CFLAGS += -DHAVE_KVM_STAT_SUPPORT
1069 endif                                            785 endif
1070                                                  786 
1071 ifeq ($(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)                           787 ifeq (${IS_64_BIT}, 1)
1080   ifndef NO_PERF_READ_VDSO32                     788   ifndef NO_PERF_READ_VDSO32
1081     $(call feature_check,compile-32)             789     $(call feature_check,compile-32)
1082     ifeq ($(feature-compile-32), 1)              790     ifeq ($(feature-compile-32), 1)
1083       CFLAGS += -DHAVE_PERF_READ_VDSO32          791       CFLAGS += -DHAVE_PERF_READ_VDSO32
1084     else                                         792     else
1085       NO_PERF_READ_VDSO32 := 1                   793       NO_PERF_READ_VDSO32 := 1
1086     endif                                        794     endif
1087   endif                                          795   endif
1088   ifneq ($(SRCARCH), x86)                        796   ifneq ($(SRCARCH), x86)
1089     NO_PERF_READ_VDSOX32 := 1                    797     NO_PERF_READ_VDSOX32 := 1
1090   endif                                          798   endif
1091   ifndef NO_PERF_READ_VDSOX32                    799   ifndef NO_PERF_READ_VDSOX32
1092     $(call feature_check,compile-x32)            800     $(call feature_check,compile-x32)
1093     ifeq ($(feature-compile-x32), 1)             801     ifeq ($(feature-compile-x32), 1)
1094       CFLAGS += -DHAVE_PERF_READ_VDSOX32         802       CFLAGS += -DHAVE_PERF_READ_VDSOX32
1095     else                                         803     else
1096       NO_PERF_READ_VDSOX32 := 1                  804       NO_PERF_READ_VDSOX32 := 1
1097     endif                                        805     endif
1098   endif                                          806   endif
1099 else                                             807 else
1100   NO_PERF_READ_VDSO32 := 1                       808   NO_PERF_READ_VDSO32 := 1
1101   NO_PERF_READ_VDSOX32 := 1                      809   NO_PERF_READ_VDSOX32 := 1
1102 endif                                            810 endif
1103                                                  811 
1104 ifndef NO_LIBBABELTRACE                          812 ifndef NO_LIBBABELTRACE
1105   $(call feature_check,libbabeltrace)            813   $(call feature_check,libbabeltrace)
1106   ifeq ($(feature-libbabeltrace), 1)             814   ifeq ($(feature-libbabeltrace), 1)
1107     CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(    815     CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
1108     LDFLAGS += $(LIBBABELTRACE_LDFLAGS)          816     LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
1109     EXTLIBS += -lbabeltrace-ctf                  817     EXTLIBS += -lbabeltrace-ctf
1110     $(call detected,CONFIG_LIBBABELTRACE)        818     $(call detected,CONFIG_LIBBABELTRACE)
1111   else                                           819   else
1112     $(warning No libbabeltrace found, disable !! 820     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 := $(warning No libcapstone found, di << 
1125   endif                                          821   endif
1126 endif                                            822 endif
1127                                                  823 
1128 ifndef NO_AUXTRACE                               824 ifndef NO_AUXTRACE
1129   ifeq ($(SRCARCH),x86)                          825   ifeq ($(SRCARCH),x86)
1130     ifeq ($(feature-get_cpuid), 0)               826     ifeq ($(feature-get_cpuid), 0)
1131       $(warning Your gcc lacks the __get_cpui !! 827       msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
1132       NO_AUXTRACE := 1                           828       NO_AUXTRACE := 1
1133     endif                                        829     endif
1134   endif                                          830   endif
1135   ifndef NO_AUXTRACE                             831   ifndef NO_AUXTRACE
1136     $(call detected,CONFIG_AUXTRACE)             832     $(call detected,CONFIG_AUXTRACE)
1137     CFLAGS += -DHAVE_AUXTRACE_SUPPORT            833     CFLAGS += -DHAVE_AUXTRACE_SUPPORT
1138     ifeq ($(feature-reallocarray), 0)         << 
1139       CFLAGS += -DCOMPAT_NEED_REALLOCARRAY    << 
1140     endif                                     << 
1141   endif                                          834   endif
1142 endif                                            835 endif
1143                                                  836 
1144 ifdef EXTRA_TESTS                             << 
1145     $(call detected,CONFIG_EXTRA_TESTS)       << 
1146     CFLAGS += -DHAVE_EXTRA_TESTS              << 
1147 endif                                         << 
1148                                               << 
1149 ifndef NO_JVMTI                                  837 ifndef NO_JVMTI
1150   ifneq (,$(wildcard /usr/sbin/update-java-al    838   ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
1151     JDIR=$(shell /usr/sbin/update-java-altern    839     JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
1152   else                                           840   else
1153     ifneq (,$(wildcard /usr/sbin/alternatives    841     ifneq (,$(wildcard /usr/sbin/alternatives))
1154       JDIR=$(shell /usr/sbin/alternatives --d !! 842       JDIR=$(shell alternatives --display java | tail -1 | cut -d' ' -f 5 | sed 's%/jre/bin/java.%%g')
1155     endif                                        843     endif
1156   endif                                          844   endif
1157   ifndef JDIR                                    845   ifndef JDIR
1158     $(warning No alternatives command found,     846     $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
1159     NO_JVMTI := 1                                847     NO_JVMTI := 1
1160   endif                                          848   endif
1161 endif                                            849 endif
1162                                                  850 
1163 ifndef NO_JVMTI                                  851 ifndef NO_JVMTI
1164   FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/inc    852   FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
1165   $(call feature_check,jvmti)                    853   $(call feature_check,jvmti)
1166   ifeq ($(feature-jvmti), 1)                     854   ifeq ($(feature-jvmti), 1)
1167     $(call detected_var,JDIR)                    855     $(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                                           856   else
1176     $(warning No openjdk development package  !! 857     $(warning No openjdk development package found, please install JDK package)
1177     NO_JVMTI := 1                                858     NO_JVMTI := 1
1178   endif                                          859   endif
1179 endif                                            860 endif
1180                                                  861 
1181 ifndef NO_LIBPFM4                             !! 862 USE_CXX = 0
1182   $(call feature_check,libpfm4)               !! 863 USE_CLANGLLVM = 0
1183   ifeq ($(feature-libpfm4), 1)                !! 864 ifdef LIBCLANGLLVM
1184     CFLAGS += -DHAVE_LIBPFM                   !! 865   $(call feature_check,cxx)
1185     EXTLIBS += -lpfm                          !! 866   ifneq ($(feature-cxx), 1)
1186     ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1          !! 867     msg := $(warning No g++ found, disable clang and llvm support. Please install g++)
1187     $(call detected,CONFIG_LIBPFM4)           !! 868   else
1188   else                                        !! 869     $(call feature_check,llvm)
1189     $(warning libpfm4 not found, disables lib !! 870     $(call feature_check,llvm-version)
1190   endif                                       !! 871     ifneq ($(feature-llvm), 1)
1191 endif                                         !! 872       msg := $(warning No suitable libLLVM found, disabling builtin clang and LLVM support. Please install llvm-dev(el) (>= 3.9.0))
1192                                               !! 873     else
1193 # libtraceevent is a recommended dependency p !! 874       $(call feature_check,clang)
1194 ifneq ($(NO_LIBTRACEEVENT),1)                 !! 875       ifneq ($(feature-clang), 1)
1195   $(call feature_check,libtraceevent)         !! 876         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)          !! 877       else
1197     CFLAGS += -DHAVE_LIBTRACEEVENT            !! 878         CFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT
1198     LDFLAGS += $(shell $(PKG_CONFIG) --libs-o !! 879         CXXFLAGS += -DHAVE_LIBCLANGLLVM_SUPPORT -I$(shell $(LLVM_CONFIG) --includedir)
1199     EXTLIBS += $(shell $(PKG_CONFIG) --libs-o !! 880         $(call detected,CONFIG_CXX)
1200     LIBTRACEEVENT_VERSION := $(shell $(PKG_CO !! 881         $(call detected,CONFIG_CLANGLLVM)
1201     LIBTRACEEVENT_VERSION_1 := $(word 1, $(su !! 882         USE_CXX = 1
1202     LIBTRACEEVENT_VERSION_2 := $(word 2, $(su !! 883         USE_LLVM = 1
1203     LIBTRACEEVENT_VERSION_3 := $(word 3, $(su !! 884         USE_CLANG = 1
1204     LIBTRACEEVENT_VERSION_CPP := $(shell expr !! 885         ifneq ($(feature-llvm-version),1)
1205     CFLAGS += -DLIBTRACEEVENT_VERSION=$(LIBTR !! 886           msg := $(warning This version of LLVM is not tested. May cause build errors)
1206     $(call detected,CONFIG_LIBTRACEEVENT)     !! 887         endif
1207   else                                        !! 888       endif
1208     $(error ERROR: libtraceevent is missing.  !! 889     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                                          890   endif
1225 endif                                            891 endif
1226                                                  892 
1227 # Among the variables below, these:              893 # Among the variables below, these:
1228 #   perfexecdir                                  894 #   perfexecdir
1229 #   libbpf_include_dir                        << 
1230 #   perf_examples_dir                         << 
1231 #   template_dir                                 895 #   template_dir
1232 #   mandir                                       896 #   mandir
1233 #   infodir                                      897 #   infodir
1234 #   htmldir                                      898 #   htmldir
1235 #   ETC_PERFCONFIG (but not sysconfdir)          899 #   ETC_PERFCONFIG (but not sysconfdir)
1236 # can be specified as a relative path some/wh    900 # can be specified as a relative path some/where/else;
1237 # this is interpreted as relative to $(prefix    901 # this is interpreted as relative to $(prefix) and "perf" at
1238 # runtime figures out where they are based on    902 # runtime figures out where they are based on the path to the executable.
1239 # This can help installing the suite in a rel    903 # This can help installing the suite in a relocatable way.
1240                                                  904 
1241 # Make the path relative to DESTDIR, not to p    905 # Make the path relative to DESTDIR, not to prefix
1242 ifndef DESTDIR                                   906 ifndef DESTDIR
1243 prefix ?= $(HOME)                                907 prefix ?= $(HOME)
1244 endif                                            908 endif
1245 bindir_relative = bin                            909 bindir_relative = bin
1246 bindir = $(abspath $(prefix)/$(bindir_relativ    910 bindir = $(abspath $(prefix)/$(bindir_relative))
1247 includedir_relative = include                 << 
1248 includedir = $(abspath $(prefix)/$(includedir << 
1249 mandir = share/man                               911 mandir = share/man
1250 infodir = share/info                             912 infodir = share/info
1251 perfexecdir = libexec/perf-core                  913 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                       914 sharedir = $(prefix)/share
1256 template_dir = share/perf-core/templates         915 template_dir = share/perf-core/templates
1257 STRACE_GROUPS_DIR = share/perf-core/strace/gr    916 STRACE_GROUPS_DIR = share/perf-core/strace/groups
1258 htmldir = share/doc/perf-doc                     917 htmldir = share/doc/perf-doc
1259 tipdir = share/doc/perf-tip                      918 tipdir = share/doc/perf-tip
1260 srcdir = $(srctree)/tools/perf                   919 srcdir = $(srctree)/tools/perf
1261 ifeq ($(prefix),/usr)                            920 ifeq ($(prefix),/usr)
1262 sysconfdir = /etc                                921 sysconfdir = /etc
1263 ETC_PERFCONFIG = $(sysconfdir)/perfconfig        922 ETC_PERFCONFIG = $(sysconfdir)/perfconfig
1264 else                                             923 else
1265 sysconfdir = $(prefix)/etc                       924 sysconfdir = $(prefix)/etc
1266 ETC_PERFCONFIG = etc/perfconfig                  925 ETC_PERFCONFIG = etc/perfconfig
1267 endif                                            926 endif
1268 ifndef lib                                       927 ifndef lib
1269 ifeq ($(SRCARCH)$(IS_64_BIT), x861)              928 ifeq ($(SRCARCH)$(IS_64_BIT), x861)
1270 lib = lib64                                      929 lib = lib64
1271 else                                             930 else
1272 lib = lib                                        931 lib = lib
1273 endif                                            932 endif
1274 endif # lib                                      933 endif # lib
1275 libdir = $(prefix)/$(lib)                        934 libdir = $(prefix)/$(lib)
1276                                                  935 
1277 # Shell quote (do not use $(call) to accommod    936 # Shell quote (do not use $(call) to accommodate ancient setups);
1278 ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERF    937 ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
1279 STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRAC    938 STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
1280 DESTDIR_SQ = $(subst ','\'',$(DESTDIR))          939 DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
1281 bindir_SQ = $(subst ','\'',$(bindir))            940 bindir_SQ = $(subst ','\'',$(bindir))
1282 includedir_SQ = $(subst ','\'',$(includedir)) << 
1283 mandir_SQ = $(subst ','\'',$(mandir))            941 mandir_SQ = $(subst ','\'',$(mandir))
1284 infodir_SQ = $(subst ','\'',$(infodir))          942 infodir_SQ = $(subst ','\'',$(infodir))
1285 perfexecdir_SQ = $(subst ','\'',$(perfexecdir    943 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    944 template_dir_SQ = $(subst ','\'',$(template_dir))
1289 htmldir_SQ = $(subst ','\'',$(htmldir))          945 htmldir_SQ = $(subst ','\'',$(htmldir))
1290 tipdir_SQ = $(subst ','\'',$(tipdir))            946 tipdir_SQ = $(subst ','\'',$(tipdir))
1291 prefix_SQ = $(subst ','\'',$(prefix))            947 prefix_SQ = $(subst ','\'',$(prefix))
1292 sysconfdir_SQ = $(subst ','\'',$(sysconfdir))    948 sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
1293 libdir_SQ = $(subst ','\'',$(libdir))            949 libdir_SQ = $(subst ','\'',$(libdir))
1294 srcdir_SQ = $(subst ','\'',$(srcdir))            950 srcdir_SQ = $(subst ','\'',$(srcdir))
1295                                                  951 
1296 ifneq ($(filter /%,$(firstword $(perfexecdir)    952 ifneq ($(filter /%,$(firstword $(perfexecdir))),)
1297 perfexec_instdir = $(perfexecdir)                953 perfexec_instdir = $(perfexecdir)
1298 perf_include_instdir = $(libbpf_include_dir)  << 
1299 perf_examples_instdir = $(perf_examples_dir)  << 
1300 STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)     954 STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
1301 tip_instdir = $(tipdir)                          955 tip_instdir = $(tipdir)
1302 else                                             956 else
1303 perfexec_instdir = $(prefix)/$(perfexecdir)      957 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    958 STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
1307 tip_instdir = $(prefix)/$(tipdir)                959 tip_instdir = $(prefix)/$(tipdir)
1308 endif                                            960 endif
1309 perfexec_instdir_SQ = $(subst ','\'',$(perfex    961 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    962 STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
1313 tip_instdir_SQ = $(subst ','\'',$(tip_instdir    963 tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
1314                                                  964 
1315 export perfexec_instdir_SQ                    !! 965 # If we install to $(HOME) we keep the traceevent default:
                                                   >> 966 # $(HOME)/.traceevent/plugins
                                                   >> 967 # Otherwise we install plugins into the global $(libdir).
                                                   >> 968 ifdef DESTDIR
                                                   >> 969 plugindir=$(libdir)/traceevent/plugins
                                                   >> 970 plugindir_SQ= $(subst ','\'',$(plugindir))
                                                   >> 971 endif
1316                                                  972 
1317 print_var = $(eval $(print_var_code)) $(info     973 print_var = $(eval $(print_var_code)) $(info $(MSG))
1318 define print_var_code                            974 define print_var_code
1319     MSG = $(shell printf '...%40s: %s' $(1) $ !! 975     MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
1320 endef                                            976 endef
1321                                                  977 
1322 ifeq ($(feature_display),1)                   << 
1323   $(call feature_display_entries)             << 
1324 endif                                         << 
1325                                               << 
1326 ifeq ($(VF),1)                                   978 ifeq ($(VF),1)
1327   # Display EXTRA features which are detected    979   # Display EXTRA features which are detected manualy
1328   # from here with feature_check call and thu    980   # from here with feature_check call and thus cannot
1329   # be partof global state output.               981   # be partof global state output.
1330   $(foreach feat,$(FEATURE_TESTS_EXTRA),$(cal !! 982   $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),))
1331   $(call print_var,prefix)                       983   $(call print_var,prefix)
1332   $(call print_var,bindir)                       984   $(call print_var,bindir)
1333   $(call print_var,libdir)                       985   $(call print_var,libdir)
1334   $(call print_var,sysconfdir)                   986   $(call print_var,sysconfdir)
1335   $(call print_var,LIBUNWIND_DIR)                987   $(call print_var,LIBUNWIND_DIR)
1336   $(call print_var,LIBDW_DIR)                    988   $(call print_var,LIBDW_DIR)
1337   $(call print_var,JDIR)                         989   $(call print_var,JDIR)
1338                                                  990 
1339   ifeq ($(dwarf-post-unwind),1)                  991   ifeq ($(dwarf-post-unwind),1)
1340     $(call feature_print_text,"DWARF post unw !! 992     $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
1341   endif                                          993   endif
                                                   >> 994   $(info )
1342 endif                                            995 endif
1343                                                  996 
1344 $(info )                                      << 
1345                                               << 
1346 $(call detected_var,bindir_SQ)                   997 $(call detected_var,bindir_SQ)
1347 $(call detected_var,PYTHON_WORD)                 998 $(call detected_var,PYTHON_WORD)
1348 ifneq ($(OUTPUT),)                               999 ifneq ($(OUTPUT),)
1349 $(call detected_var,OUTPUT)                      1000 $(call detected_var,OUTPUT)
1350 endif                                            1001 endif
1351 $(call detected_var,htmldir_SQ)                  1002 $(call detected_var,htmldir_SQ)
1352 $(call detected_var,infodir_SQ)                  1003 $(call detected_var,infodir_SQ)
1353 $(call detected_var,mandir_SQ)                   1004 $(call detected_var,mandir_SQ)
1354 $(call detected_var,ETC_PERFCONFIG_SQ)           1005 $(call detected_var,ETC_PERFCONFIG_SQ)
1355 $(call detected_var,STRACE_GROUPS_DIR_SQ)        1006 $(call detected_var,STRACE_GROUPS_DIR_SQ)
1356 $(call detected_var,prefix_SQ)                   1007 $(call detected_var,prefix_SQ)
1357 $(call detected_var,perfexecdir_SQ)              1008 $(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)                   1009 $(call detected_var,tipdir_SQ)
1361 $(call detected_var,srcdir_SQ)                   1010 $(call detected_var,srcdir_SQ)
1362 $(call detected_var,LIBDIR)                      1011 $(call detected_var,LIBDIR)
1363 $(call detected_var,GTK_CFLAGS)                  1012 $(call detected_var,GTK_CFLAGS)
1364 $(call detected_var,PERL_EMBED_CCOPTS)           1013 $(call detected_var,PERL_EMBED_CCOPTS)
1365 $(call detected_var,PYTHON_EMBED_CCOPTS)         1014 $(call detected_var,PYTHON_EMBED_CCOPTS)
1366 ifneq ($(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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