1 # SPDX-License-Identifier: GPL-2.0-only 1 # SPDX-License-Identifier: GPL-2.0-only
2 2
3 ifeq ($(src-perf),) 3 ifeq ($(src-perf),)
4 src-perf := $(srctree)/tools/perf 4 src-perf := $(srctree)/tools/perf
5 endif 5 endif
6 6
7 ifeq ($(obj-perf),) 7 ifeq ($(obj-perf),)
8 obj-perf := $(OUTPUT) 8 obj-perf := $(OUTPUT)
9 endif 9 endif
10 10
11 ifneq ($(obj-perf),) 11 ifneq ($(obj-perf),)
12 obj-perf := $(abspath $(obj-perf))/ 12 obj-perf := $(abspath $(obj-perf))/
13 endif 13 endif
14 14
15 $(shell printf "" > $(OUTPUT).config-detected) 15 $(shell printf "" > $(OUTPUT).config-detected)
16 detected = $(shell echo "$(1)=y" >> 16 detected = $(shell echo "$(1)=y" >> $(OUTPUT).config-detected)
17 detected_var = $(shell echo "$(1)=$($(1))" >> 17 detected_var = $(shell echo "$(1)=$($(1))" >> $(OUTPUT).config-detected)
18 18
19 CFLAGS := $(EXTRA_CFLAGS) $(filter-out -Wneste 19 CFLAGS := $(EXTRA_CFLAGS) $(filter-out -Wnested-externs,$(EXTRA_WARNINGS))
20 HOSTCFLAGS := $(filter-out -Wnested-externs,$( 20 HOSTCFLAGS := $(filter-out -Wnested-externs,$(EXTRA_WARNINGS))
21 21
22 # Enabled Wthread-safety analysis for clang bu 22 # Enabled Wthread-safety analysis for clang builds.
23 ifeq ($(CC_NO_CLANG), 0) 23 ifeq ($(CC_NO_CLANG), 0)
24 CFLAGS += -Wthread-safety 24 CFLAGS += -Wthread-safety
25 endif 25 endif
26 26
27 include $(srctree)/tools/scripts/Makefile.arch 27 include $(srctree)/tools/scripts/Makefile.arch
28 28
29 $(call detected_var,SRCARCH) 29 $(call detected_var,SRCARCH)
30 30
>> 31 NO_PERF_REGS := 1
>> 32
31 ifneq ($(NO_SYSCALL_TABLE),1) 33 ifneq ($(NO_SYSCALL_TABLE),1)
32 NO_SYSCALL_TABLE := 1 34 NO_SYSCALL_TABLE := 1
33 35
34 ifeq ($(SRCARCH),$(filter $(SRCARCH),x86 pow !! 36 ifeq ($(SRCARCH),x86)
35 NO_SYSCALL_TABLE := 0 !! 37 ifeq (${IS_64_BIT}, 1)
>> 38 NO_SYSCALL_TABLE := 0
>> 39 endif
>> 40 else
>> 41 ifeq ($(SRCARCH),$(filter $(SRCARCH),powerpc arm64 s390 mips loongarch))
>> 42 NO_SYSCALL_TABLE := 0
>> 43 endif
36 endif 44 endif
37 45
38 ifneq ($(NO_SYSCALL_TABLE),1) 46 ifneq ($(NO_SYSCALL_TABLE),1)
39 CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT 47 CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT
40 endif 48 endif
41 endif 49 endif
42 50
43 # Additional ARCH settings for ppc 51 # Additional ARCH settings for ppc
44 ifeq ($(SRCARCH),powerpc) 52 ifeq ($(SRCARCH),powerpc)
>> 53 NO_PERF_REGS := 0
45 CFLAGS += -I$(OUTPUT)arch/powerpc/include/ge 54 CFLAGS += -I$(OUTPUT)arch/powerpc/include/generated
46 LIBUNWIND_LIBS := -lunwind -lunwind-ppc64 55 LIBUNWIND_LIBS := -lunwind -lunwind-ppc64
47 endif 56 endif
48 57
49 # Additional ARCH settings for x86 58 # Additional ARCH settings for x86
50 ifeq ($(SRCARCH),x86) 59 ifeq ($(SRCARCH),x86)
51 $(call detected,CONFIG_X86) 60 $(call detected,CONFIG_X86)
52 CFLAGS += -I$(OUTPUT)arch/x86/include/genera <<
53 ifeq (${IS_64_BIT}, 1) 61 ifeq (${IS_64_BIT}, 1)
54 CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT !! 62 CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT -I$(OUTPUT)arch/x86/include/generated
55 ARCH_INCLUDE = ../../arch/x86/lib/memcpy_6 63 ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
56 LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind 64 LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind -llzma
57 $(call detected,CONFIG_X86_64) 65 $(call detected,CONFIG_X86_64)
58 else 66 else
59 LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunw 67 LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind
60 endif 68 endif
>> 69 NO_PERF_REGS := 0
61 endif 70 endif
62 71
63 ifeq ($(SRCARCH),arm) 72 ifeq ($(SRCARCH),arm)
>> 73 NO_PERF_REGS := 0
64 LIBUNWIND_LIBS = -lunwind -lunwind-arm 74 LIBUNWIND_LIBS = -lunwind -lunwind-arm
65 endif 75 endif
66 76
67 ifeq ($(SRCARCH),arm64) 77 ifeq ($(SRCARCH),arm64)
>> 78 NO_PERF_REGS := 0
68 CFLAGS += -I$(OUTPUT)arch/arm64/include/gene 79 CFLAGS += -I$(OUTPUT)arch/arm64/include/generated
69 LIBUNWIND_LIBS = -lunwind -lunwind-aarch64 80 LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
70 endif 81 endif
71 82
72 ifeq ($(SRCARCH),loongarch) 83 ifeq ($(SRCARCH),loongarch)
>> 84 NO_PERF_REGS := 0
73 CFLAGS += -I$(OUTPUT)arch/loongarch/include/ 85 CFLAGS += -I$(OUTPUT)arch/loongarch/include/generated
74 LIBUNWIND_LIBS = -lunwind -lunwind-loongarch 86 LIBUNWIND_LIBS = -lunwind -lunwind-loongarch64
75 endif 87 endif
76 88
>> 89 ifeq ($(SRCARCH),riscv)
>> 90 NO_PERF_REGS := 0
>> 91 endif
>> 92
>> 93 ifeq ($(SRCARCH),csky)
>> 94 NO_PERF_REGS := 0
>> 95 endif
>> 96
77 ifeq ($(ARCH),s390) 97 ifeq ($(ARCH),s390)
>> 98 NO_PERF_REGS := 0
78 CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include 99 CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated
79 endif 100 endif
80 101
81 ifeq ($(ARCH),mips) 102 ifeq ($(ARCH),mips)
>> 103 NO_PERF_REGS := 0
82 CFLAGS += -I$(OUTPUT)arch/mips/include/gener 104 CFLAGS += -I$(OUTPUT)arch/mips/include/generated
83 LIBUNWIND_LIBS = -lunwind -lunwind-mips 105 LIBUNWIND_LIBS = -lunwind -lunwind-mips
84 endif 106 endif
85 107
>> 108 ifeq ($(NO_PERF_REGS),0)
>> 109 $(call detected,CONFIG_PERF_REGS)
>> 110 endif
>> 111
86 # So far there's only x86 and arm libdw unwind 112 # So far there's only x86 and arm libdw unwind support merged in perf.
87 # Disable it on all other architectures in cas 113 # Disable it on all other architectures in case libdw unwind
88 # support is detected in system. Add supported 114 # support is detected in system. Add supported architectures
89 # to the check. 115 # to the check.
90 ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm 116 ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390 csky riscv loongarch))
91 NO_LIBDW_DWARF_UNWIND := 1 117 NO_LIBDW_DWARF_UNWIND := 1
92 endif 118 endif
93 119
94 ifeq ($(LIBUNWIND_LIBS),) 120 ifeq ($(LIBUNWIND_LIBS),)
95 NO_LIBUNWIND := 1 121 NO_LIBUNWIND := 1
96 endif 122 endif
97 # 123 #
98 # For linking with debug library, run like: 124 # For linking with debug library, run like:
99 # 125 #
100 # make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/ 126 # make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
101 # 127 #
102 128
103 libunwind_arch_set_flags = $(eval $(libunwind_ 129 libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
104 define libunwind_arch_set_flags_code 130 define libunwind_arch_set_flags_code
105 FEATURE_CHECK_CFLAGS-libunwind-$(1) = -I$(L 131 FEATURE_CHECK_CFLAGS-libunwind-$(1) = -I$(LIBUNWIND_DIR)/include
106 FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(L 132 FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
107 endef 133 endef
108 134
109 ifdef LIBUNWIND_DIR 135 ifdef LIBUNWIND_DIR
110 LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/inclu 136 LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include
111 LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib 137 LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
112 LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 deb 138 LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64 loongarch
113 $(foreach libunwind_arch,$(LIBUNWIND_ARCHS), 139 $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
114 endif 140 endif
115 141
116 # Set per-feature check compilation flags 142 # Set per-feature check compilation flags
117 FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_C 143 FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
118 FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_ 144 FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
119 FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $ 145 FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
120 FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = 146 FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
121 147
122 FEATURE_CHECK_LDFLAGS-libunwind-arm += -lunwin 148 FEATURE_CHECK_LDFLAGS-libunwind-arm += -lunwind -lunwind-arm
123 FEATURE_CHECK_LDFLAGS-libunwind-aarch64 += -lu 149 FEATURE_CHECK_LDFLAGS-libunwind-aarch64 += -lunwind -lunwind-aarch64
124 FEATURE_CHECK_LDFLAGS-libunwind-x86 += -lunwin 150 FEATURE_CHECK_LDFLAGS-libunwind-x86 += -lunwind -llzma -lunwind-x86
125 FEATURE_CHECK_LDFLAGS-libunwind-x86_64 += -lun 151 FEATURE_CHECK_LDFLAGS-libunwind-x86_64 += -lunwind -llzma -lunwind-x86_64
126 152
127 FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto 153 FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto
128 154
129 ifdef CSINCLUDES 155 ifdef CSINCLUDES
130 LIBOPENCSD_CFLAGS := -I$(CSINCLUDES) 156 LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)
131 endif 157 endif
132 OPENCSDLIBS := -lopencsd_c_api -lopencsd 158 OPENCSDLIBS := -lopencsd_c_api -lopencsd
133 ifeq ($(findstring -static,${LDFLAGS}),-static 159 ifeq ($(findstring -static,${LDFLAGS}),-static)
134 OPENCSDLIBS += -lstdc++ 160 OPENCSDLIBS += -lstdc++
135 endif 161 endif
136 ifdef CSLIBS 162 ifdef CSLIBS
137 LIBOPENCSD_LDFLAGS := -L$(CSLIBS) 163 LIBOPENCSD_LDFLAGS := -L$(CSLIBS)
138 endif 164 endif
139 FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCS 165 FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS)
140 FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENC 166 FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS)
141 167
>> 168 ifeq ($(NO_PERF_REGS),0)
>> 169 CFLAGS += -DHAVE_PERF_REGS_SUPPORT
>> 170 endif
>> 171
142 # for linking with debug library, run like: 172 # for linking with debug library, run like:
143 # make DEBUG=1 LIBDW_DIR=/opt/libdw/ 173 # make DEBUG=1 LIBDW_DIR=/opt/libdw/
144 ifdef LIBDW_DIR 174 ifdef LIBDW_DIR
145 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include 175 LIBDW_CFLAGS := -I$(LIBDW_DIR)/include
146 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib 176 LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
147 endif 177 endif
148 DWARFLIBS := -ldw 178 DWARFLIBS := -ldw
149 ifeq ($(findstring -static,${LDFLAGS}),-static 179 ifeq ($(findstring -static,${LDFLAGS}),-static)
150 DWARFLIBS += -lelf -lz -llzma -lbz2 -lzstd !! 180 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 181 endif
165 FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(L 182 FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
166 FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $( 183 FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS)
167 184
168 # for linking with debug library, run like: 185 # for linking with debug library, run like:
169 # make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabel 186 # make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
170 ifdef LIBBABELTRACE_DIR 187 ifdef LIBBABELTRACE_DIR
171 LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_D 188 LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include
172 LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_D 189 LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
173 endif 190 endif
174 FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBAB 191 FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
175 FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBA 192 FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
176 193
177 # for linking with debug library, run like: <<
178 # make DEBUG=1 LIBCAPSTONE_DIR=/opt/capstone/ <<
179 ifdef LIBCAPSTONE_DIR <<
180 LIBCAPSTONE_CFLAGS := -I$(LIBCAPSTONE_DIR)/ <<
181 LIBCAPSTONE_LDFLAGS := -L$(LIBCAPSTONE_DIR)/ <<
182 endif <<
183 FEATURE_CHECK_CFLAGS-libcapstone := $(LIBCAPST <<
184 FEATURE_CHECK_LDFLAGS-libcapstone := $(LIBCAPS <<
185 <<
186 ifdef LIBZSTD_DIR 194 ifdef LIBZSTD_DIR
187 LIBZSTD_CFLAGS := -I$(LIBZSTD_DIR)/lib 195 LIBZSTD_CFLAGS := -I$(LIBZSTD_DIR)/lib
188 LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib 196 LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib
189 endif 197 endif
190 FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLA 198 FEATURE_CHECK_CFLAGS-libzstd := $(LIBZSTD_CFLAGS)
191 FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDF 199 FEATURE_CHECK_LDFLAGS-libzstd := $(LIBZSTD_LDFLAGS)
192 200
193 # for linking with debug library, run like: <<
194 # make DEBUG=1 PKG_CONFIG_PATH=/opt/libtraceev <<
195 <<
196 ifneq ($(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 201 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 202 # include ARCH specific config
204 -include $(src-perf)/arch/$(SRCARCH)/Makefile 203 -include $(src-perf)/arch/$(SRCARCH)/Makefile
205 204
206 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSE 205 ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
207 CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OF 206 CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
208 endif 207 endif
209 208
210 include $(srctree)/tools/scripts/utilities.mak 209 include $(srctree)/tools/scripts/utilities.mak
211 210
212 ifeq ($(call get-executable,$(FLEX)),) 211 ifeq ($(call get-executable,$(FLEX)),)
213 $(error Error: $(FLEX) is missing on this sy !! 212 dummy := $(error Error: $(FLEX) is missing on this system, please install it)
214 endif 213 endif
215 214
216 ifeq ($(call get-executable,$(BISON)),) 215 ifeq ($(call get-executable,$(BISON)),)
217 $(error Error: $(BISON) is missing on this s !! 216 dummy := $(error Error: $(BISON) is missing on this system, please install it)
218 endif 217 endif
219 218
220 ifneq ($(OUTPUT),) 219 ifneq ($(OUTPUT),)
221 ifeq ($(shell expr $(shell $(BISON) --versio 220 ifeq ($(shell expr $(shell $(BISON) --version | grep bison | sed -e 's/.\+ \([0-9]\+\).\([0-9]\+\).\([0-9]\+\)/\1\2\3/g') \>\= 371), 1)
222 BISON_FILE_PREFIX_MAP := --file-prefix-map 221 BISON_FILE_PREFIX_MAP := --file-prefix-map=$(OUTPUT)=
223 endif 222 endif
224 endif 223 endif
225 224
226 # Treat warnings as errors unless directed not 225 # Treat warnings as errors unless directed not to
227 ifneq ($(WERROR),0) 226 ifneq ($(WERROR),0)
228 CORE_CFLAGS += -Werror 227 CORE_CFLAGS += -Werror
229 CXXFLAGS += -Werror 228 CXXFLAGS += -Werror
230 HOSTCFLAGS += -Werror 229 HOSTCFLAGS += -Werror
231 endif 230 endif
232 231
233 ifndef DEBUG 232 ifndef DEBUG
234 DEBUG := 0 233 DEBUG := 0
235 endif 234 endif
236 235
237 ifeq ($(DEBUG),0) 236 ifeq ($(DEBUG),0)
238 CORE_CFLAGS += -DNDEBUG=1 237 CORE_CFLAGS += -DNDEBUG=1
239 CORE_CFLAGS += -O3 !! 238 ifeq ($(CC_NO_CLANG), 0)
>> 239 CORE_CFLAGS += -O3
>> 240 else
>> 241 CORE_CFLAGS += -O6
>> 242 endif
240 else 243 else
241 CORE_CFLAGS += -g 244 CORE_CFLAGS += -g
242 CXXFLAGS += -g 245 CXXFLAGS += -g
243 endif 246 endif
244 247
245 ifdef PARSER_DEBUG 248 ifdef PARSER_DEBUG
246 PARSER_DEBUG_BISON := -t 249 PARSER_DEBUG_BISON := -t
247 PARSER_DEBUG_FLEX := -d 250 PARSER_DEBUG_FLEX := -d
248 CFLAGS += -DPARSER_DEBUG 251 CFLAGS += -DPARSER_DEBUG
249 $(call detected_var,PARSER_DEBUG_BISON) 252 $(call detected_var,PARSER_DEBUG_BISON)
250 $(call detected_var,PARSER_DEBUG_FLEX) 253 $(call detected_var,PARSER_DEBUG_FLEX)
251 endif 254 endif
252 255
253 ifdef LTO 256 ifdef LTO
254 CORE_CFLAGS += -flto 257 CORE_CFLAGS += -flto
255 CXXFLAGS += -flto 258 CXXFLAGS += -flto
256 endif 259 endif
257 260
258 # Try different combinations to accommodate sy 261 # Try different combinations to accommodate systems that only have
259 # python[2][3]-config in weird combinations in 262 # python[2][3]-config in weird combinations in the following order of
260 # priority from lowest to highest: 263 # priority from lowest to highest:
261 # * python2-config as per pep-0394. 264 # * python2-config as per pep-0394.
262 # * python-config 265 # * python-config
263 # * python3-config 266 # * python3-config
264 # * $(PYTHON)-config (If PYTHON is user supp 267 # * $(PYTHON)-config (If PYTHON is user supplied but PYTHON_CONFIG isn't)
265 # 268 #
266 PYTHON_AUTO := python-config 269 PYTHON_AUTO := python-config
267 PYTHON_AUTO := $(if $(call get-executable,pyth 270 PYTHON_AUTO := $(if $(call get-executable,python2-config),python2-config,$(PYTHON_AUTO))
268 PYTHON_AUTO := $(if $(call get-executable,pyth 271 PYTHON_AUTO := $(if $(call get-executable,python-config),python-config,$(PYTHON_AUTO))
269 PYTHON_AUTO := $(if $(call get-executable,pyth 272 PYTHON_AUTO := $(if $(call get-executable,python3-config),python3-config,$(PYTHON_AUTO))
270 273
271 # If PYTHON is defined but PYTHON_CONFIG isn't 274 # If PYTHON is defined but PYTHON_CONFIG isn't, then take $(PYTHON)-config as if it was the user
272 # supplied value for PYTHON_CONFIG. Because it 275 # supplied value for PYTHON_CONFIG. Because it's "user supplied", error out if it doesn't exist.
273 ifdef PYTHON 276 ifdef PYTHON
274 ifndef PYTHON_CONFIG 277 ifndef PYTHON_CONFIG
275 PYTHON_CONFIG_AUTO := $(call get-executabl 278 PYTHON_CONFIG_AUTO := $(call get-executable,$(PYTHON)-config)
276 PYTHON_CONFIG := $(if $(PYTHON_CONFIG_AUTO 279 PYTHON_CONFIG := $(if $(PYTHON_CONFIG_AUTO),$(PYTHON_CONFIG_AUTO),\
277 $(call $(error $(PYT 280 $(call $(error $(PYTHON)-config not found)))
278 endif 281 endif
279 endif 282 endif
280 283
281 # Select either auto detected python and pytho 284 # Select either auto detected python and python-config or use user supplied values if they are
282 # defined. get-executable-or-default fails wit 285 # defined. get-executable-or-default fails with an error if the first argument is supplied but
283 # doesn't exist. 286 # doesn't exist.
284 override PYTHON_CONFIG := $(call get-executabl 287 override PYTHON_CONFIG := $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON_AUTO))
285 override PYTHON := $(call get-executable-or-de 288 override PYTHON := $(call get-executable-or-default,PYTHON,$(subst -config,,$(PYTHON_CONFIG)))
286 289
287 grep-libs = $(filter -l%,$(1)) 290 grep-libs = $(filter -l%,$(1))
288 strip-libs = $(filter-out -l%,$(1)) 291 strip-libs = $(filter-out -l%,$(1))
289 292
290 PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_C 293 PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
291 294
292 # Python 3.8 changed the output of `python-con 295 # Python 3.8 changed the output of `python-config --ldflags` to not include the
293 # '-lpythonX.Y' flag unless '--embed' is also 296 # '-lpythonX.Y' flag unless '--embed' is also passed. The feature check for
294 # libpython fails if that flag is not included 297 # libpython fails if that flag is not included in LDFLAGS
295 ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags -- 298 ifeq ($(shell $(PYTHON_CONFIG_SQ) --ldflags --embed 2>&1 1>/dev/null; echo $$?), 0)
296 PYTHON_CONFIG_LDFLAGS := --ldflags --embed 299 PYTHON_CONFIG_LDFLAGS := --ldflags --embed
297 else 300 else
298 PYTHON_CONFIG_LDFLAGS := --ldflags 301 PYTHON_CONFIG_LDFLAGS := --ldflags
299 endif 302 endif
300 303
301 ifdef PYTHON_CONFIG 304 ifdef PYTHON_CONFIG
302 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONF 305 PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) $(PYTHON_CONFIG_LDFLAGS) 2>/dev/null)
303 # Update the python flags for cross compilat <<
304 ifdef CROSS_COMPILE <<
305 PYTHON_NATIVE := $(shell echo $(PYTHON_EMB <<
306 PYTHON_EMBED_LDOPTS := $(subst $(PYTHON_NA <<
307 endif <<
308 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$( 306 PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
309 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PY 307 PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
310 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONF 308 PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null)
311 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) 309 FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
312 ifeq ($(CC_NO_CLANG), 0) 310 ifeq ($(CC_NO_CLANG), 0)
313 PYTHON_EMBED_CCOPTS := $(filter-out -ffat- 311 PYTHON_EMBED_CCOPTS := $(filter-out -ffat-lto-objects, $(PYTHON_EMBED_CCOPTS))
314 endif 312 endif
315 endif 313 endif
316 314
317 FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMB 315 FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
318 FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EM 316 FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
319 317
320 FEATURE_CHECK_LDFLAGS-libaio = -lrt 318 FEATURE_CHECK_LDFLAGS-libaio = -lrt
321 319
322 FEATURE_CHECK_LDFLAGS-disassembler-four-args = 320 FEATURE_CHECK_LDFLAGS-disassembler-four-args = -lbfd -lopcodes -ldl
323 FEATURE_CHECK_LDFLAGS-disassembler-init-styled 321 FEATURE_CHECK_LDFLAGS-disassembler-init-styled = -lbfd -lopcodes -ldl
324 322
325 CORE_CFLAGS += -fno-omit-frame-pointer 323 CORE_CFLAGS += -fno-omit-frame-pointer
326 CORE_CFLAGS += -Wall 324 CORE_CFLAGS += -Wall
327 CORE_CFLAGS += -Wextra 325 CORE_CFLAGS += -Wextra
328 CORE_CFLAGS += -std=gnu11 326 CORE_CFLAGS += -std=gnu11
329 327
330 CXXFLAGS += -std=gnu++17 -fno-exceptions -fno- 328 CXXFLAGS += -std=gnu++17 -fno-exceptions -fno-rtti
331 CXXFLAGS += -Wall 329 CXXFLAGS += -Wall
332 CXXFLAGS += -Wextra 330 CXXFLAGS += -Wextra
333 CXXFLAGS += -fno-omit-frame-pointer 331 CXXFLAGS += -fno-omit-frame-pointer
334 332
335 HOSTCFLAGS += -Wall 333 HOSTCFLAGS += -Wall
336 HOSTCFLAGS += -Wextra 334 HOSTCFLAGS += -Wextra
337 335
338 # Enforce a non-executable stack, as we may re 336 # Enforce a non-executable stack, as we may regress (again) in the future by
339 # adding assembler files missing the .GNU-stac 337 # adding assembler files missing the .GNU-stack linker note.
340 LDFLAGS += -Wl,-z,noexecstack 338 LDFLAGS += -Wl,-z,noexecstack
341 339
342 EXTLIBS = -lpthread -lrt -lm -ldl 340 EXTLIBS = -lpthread -lrt -lm -ldl
343 341
344 ifneq ($(TCMALLOC),) 342 ifneq ($(TCMALLOC),)
345 CFLAGS += -fno-builtin-malloc -fno-builtin-c 343 CFLAGS += -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-free
346 EXTLIBS += -ltcmalloc 344 EXTLIBS += -ltcmalloc
347 endif 345 endif
348 346
349 ifeq ($(FEATURES_DUMP),) 347 ifeq ($(FEATURES_DUMP),)
350 # We will display at the end of this Makefile. 348 # We will display at the end of this Makefile.config, using $(call feature_display_entries)
351 # As we may retry some feature detection here, 349 # As we may retry some feature detection here, see the disassembler-four-args case, for instance
352 FEATURE_DISPLAY_DEFERRED := 1 350 FEATURE_DISPLAY_DEFERRED := 1
353 include $(srctree)/tools/build/Makefile.featur 351 include $(srctree)/tools/build/Makefile.feature
354 else 352 else
355 include $(FEATURES_DUMP) 353 include $(FEATURES_DUMP)
356 endif 354 endif
357 355
358 ifeq ($(feature-stackprotector-all), 1) 356 ifeq ($(feature-stackprotector-all), 1)
359 CORE_CFLAGS += -fstack-protector-all 357 CORE_CFLAGS += -fstack-protector-all
360 endif 358 endif
361 359
362 ifeq ($(DEBUG),0) 360 ifeq ($(DEBUG),0)
363 ifeq ($(feature-fortify-source), 1) 361 ifeq ($(feature-fortify-source), 1)
364 CORE_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIF 362 CORE_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
365 endif 363 endif
366 endif 364 endif
367 365
368 INC_FLAGS += -I$(src-perf)/util/include 366 INC_FLAGS += -I$(src-perf)/util/include
369 INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/inc 367 INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include
370 INC_FLAGS += -I$(srctree)/tools/include/ 368 INC_FLAGS += -I$(srctree)/tools/include/
371 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH 369 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi
372 INC_FLAGS += -I$(srctree)/tools/include/uapi 370 INC_FLAGS += -I$(srctree)/tools/include/uapi
373 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH 371 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/
374 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH 372 INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/
375 373
376 # $(obj-perf) for generated common-cmds.h 374 # $(obj-perf) for generated common-cmds.h
377 # $(obj-perf)/util for generated bison/flex he 375 # $(obj-perf)/util for generated bison/flex headers
378 ifneq ($(OUTPUT),) 376 ifneq ($(OUTPUT),)
379 INC_FLAGS += -I$(obj-perf)/util 377 INC_FLAGS += -I$(obj-perf)/util
380 INC_FLAGS += -I$(obj-perf) 378 INC_FLAGS += -I$(obj-perf)
381 endif 379 endif
382 380
383 INC_FLAGS += -I$(src-perf)/util 381 INC_FLAGS += -I$(src-perf)/util
384 INC_FLAGS += -I$(src-perf) 382 INC_FLAGS += -I$(src-perf)
385 383
386 CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_O 384 CORE_CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
387 385
388 CFLAGS += $(CORE_CFLAGS) $(INC_FLAGS) 386 CFLAGS += $(CORE_CFLAGS) $(INC_FLAGS)
389 CXXFLAGS += $(INC_FLAGS) 387 CXXFLAGS += $(INC_FLAGS)
390 388
391 LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAG 389 LIBPERF_CFLAGS := $(CORE_CFLAGS) $(EXTRA_CFLAGS)
392 390
393 ifeq ($(feature-pthread-attr-setaffinity-np), 391 ifeq ($(feature-pthread-attr-setaffinity-np), 1)
394 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP 392 CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
395 endif 393 endif
396 394
397 ifeq ($(feature-pthread-barrier), 1) 395 ifeq ($(feature-pthread-barrier), 1)
398 CFLAGS += -DHAVE_PTHREAD_BARRIER 396 CFLAGS += -DHAVE_PTHREAD_BARRIER
399 endif 397 endif
400 398
401 ifndef NO_BIONIC 399 ifndef NO_BIONIC
402 $(call feature_check,bionic) 400 $(call feature_check,bionic)
403 ifeq ($(feature-bionic), 1) 401 ifeq ($(feature-bionic), 1)
404 BIONIC := 1 402 BIONIC := 1
405 CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE 403 CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE
406 CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE 404 CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE
407 EXTLIBS := $(filter-out -lrt,$(EXTLIBS)) 405 EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
408 EXTLIBS := $(filter-out -lpthread,$(EXTLIB 406 EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
409 endif 407 endif
410 endif 408 endif
411 409
412 ifeq ($(feature-eventfd), 1) 410 ifeq ($(feature-eventfd), 1)
413 CFLAGS += -DHAVE_EVENTFD_SUPPORT 411 CFLAGS += -DHAVE_EVENTFD_SUPPORT
414 endif 412 endif
415 413
416 ifeq ($(feature-get_current_dir_name), 1) 414 ifeq ($(feature-get_current_dir_name), 1)
417 CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME 415 CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME
418 endif 416 endif
419 417
420 ifeq ($(feature-gettid), 1) 418 ifeq ($(feature-gettid), 1)
421 CFLAGS += -DHAVE_GETTID 419 CFLAGS += -DHAVE_GETTID
422 endif 420 endif
423 421
424 ifeq ($(feature-file-handle), 1) 422 ifeq ($(feature-file-handle), 1)
425 CFLAGS += -DHAVE_FILE_HANDLE 423 CFLAGS += -DHAVE_FILE_HANDLE
426 endif 424 endif
427 425
428 ifdef NO_LIBELF 426 ifdef NO_LIBELF
429 NO_DWARF := 1 427 NO_DWARF := 1
430 NO_LIBUNWIND := 1 428 NO_LIBUNWIND := 1
431 NO_LIBDW_DWARF_UNWIND := 1 429 NO_LIBDW_DWARF_UNWIND := 1
432 NO_LIBBPF := 1 430 NO_LIBBPF := 1
433 NO_JVMTI := 1 431 NO_JVMTI := 1
434 else 432 else
435 ifeq ($(feature-libelf), 0) 433 ifeq ($(feature-libelf), 0)
436 ifeq ($(feature-glibc), 1) 434 ifeq ($(feature-glibc), 1)
437 LIBC_SUPPORT := 1 435 LIBC_SUPPORT := 1
438 endif 436 endif
439 ifeq ($(BIONIC),1) 437 ifeq ($(BIONIC),1)
440 LIBC_SUPPORT := 1 438 LIBC_SUPPORT := 1
441 endif 439 endif
442 ifeq ($(LIBC_SUPPORT),1) 440 ifeq ($(LIBC_SUPPORT),1)
443 $(error ERROR: No libelf found. Disables !! 441 msg := $(error ERROR: No libelf found. Disables 'probe' tool, jvmti and BPF support. Please install libelf-dev, libelf-devel, elfutils-libelf-devel or build with NO_LIBELF=1.)
444 else 442 else
445 ifneq ($(filter s% -fsanitize=address%,$ 443 ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),)
446 ifneq ($(shell ldconfig -p | grep liba 444 ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0)
447 $(error No libasan found, please ins !! 445 msg := $(error No libasan found, please install libasan);
448 endif 446 endif
449 endif 447 endif
450 448
451 ifneq ($(filter s% -fsanitize=undefined% 449 ifneq ($(filter s% -fsanitize=undefined%,$(EXTRA_CFLAGS),),)
452 ifneq ($(shell ldconfig -p | grep libu 450 ifneq ($(shell ldconfig -p | grep libubsan >/dev/null 2>&1; echo $$?), 0)
453 $(error No libubsan found, please in !! 451 msg := $(error No libubsan found, please install libubsan);
454 endif 452 endif
455 endif 453 endif
456 454
457 ifneq ($(filter s% -static%,$(LDFLAGS),) 455 ifneq ($(filter s% -static%,$(LDFLAGS),),)
458 $(error No static glibc found, please !! 456 msg := $(error No static glibc found, please install glibc-static);
459 else 457 else
460 $(error No gnu/libc-version.h found, p !! 458 msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
461 endif 459 endif
462 endif 460 endif
463 else 461 else
464 ifndef NO_LIBDW_DWARF_UNWIND 462 ifndef NO_LIBDW_DWARF_UNWIND
465 ifneq ($(feature-libdw-dwarf-unwind),1) 463 ifneq ($(feature-libdw-dwarf-unwind),1)
466 NO_LIBDW_DWARF_UNWIND := 1 464 NO_LIBDW_DWARF_UNWIND := 1
467 $(warning No libdw DWARF unwind found, !! 465 msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
468 endif 466 endif
469 endif 467 endif
470 ifneq ($(feature-dwarf), 1) 468 ifneq ($(feature-dwarf), 1)
471 ifndef NO_DWARF 469 ifndef NO_DWARF
472 $(warning No libdw.h found or old libd !! 470 msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
473 NO_DWARF := 1 471 NO_DWARF := 1
474 endif 472 endif
475 else 473 else
476 ifneq ($(feature-dwarf_getlocations), 1) 474 ifneq ($(feature-dwarf_getlocations), 1)
477 $(warning Old libdw.h, finding variabl !! 475 msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
478 else 476 else
479 CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SU 477 CFLAGS += -DHAVE_DWARF_GETLOCATIONS_SUPPORT
480 endif # dwarf_getlocations 478 endif # dwarf_getlocations
481 ifneq ($(feature-dwarf_getcfi), 1) 479 ifneq ($(feature-dwarf_getcfi), 1)
482 $(warning Old libdw.h, finding variabl !! 480 msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.142);
483 else 481 else
484 CFLAGS += -DHAVE_DWARF_CFI_SUPPORT 482 CFLAGS += -DHAVE_DWARF_CFI_SUPPORT
485 endif # dwarf_getcfi 483 endif # dwarf_getcfi
486 endif # Dwarf support 484 endif # Dwarf support
487 endif # libelf support 485 endif # libelf support
488 endif # NO_LIBELF 486 endif # NO_LIBELF
489 487
490 ifeq ($(feature-libaio), 1) 488 ifeq ($(feature-libaio), 1)
491 ifndef NO_AIO 489 ifndef NO_AIO
492 CFLAGS += -DHAVE_AIO_SUPPORT 490 CFLAGS += -DHAVE_AIO_SUPPORT
493 endif 491 endif
494 endif 492 endif
495 493
496 ifdef NO_DWARF 494 ifdef NO_DWARF
497 NO_LIBDW_DWARF_UNWIND := 1 495 NO_LIBDW_DWARF_UNWIND := 1
498 endif 496 endif
499 497
500 ifeq ($(feature-scandirat), 1) 498 ifeq ($(feature-scandirat), 1)
501 # Ignore having scandirat with memory saniti !! 499 CFLAGS += -DHAVE_SCANDIRAT_SUPPORT
502 ifeq ($(filter s% -fsanitize=memory%,$(EXTRA <<
503 CFLAGS += -DHAVE_SCANDIRAT_SUPPORT <<
504 endif <<
505 endif 500 endif
506 501
507 ifeq ($(feature-sched_getcpu), 1) 502 ifeq ($(feature-sched_getcpu), 1)
508 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT 503 CFLAGS += -DHAVE_SCHED_GETCPU_SUPPORT
509 endif 504 endif
510 505
511 ifeq ($(feature-setns), 1) 506 ifeq ($(feature-setns), 1)
512 CFLAGS += -DHAVE_SETNS_SUPPORT 507 CFLAGS += -DHAVE_SETNS_SUPPORT
513 $(call detected,CONFIG_SETNS) 508 $(call detected,CONFIG_SETNS)
514 endif 509 endif
515 510
516 ifdef CORESIGHT 511 ifdef CORESIGHT
517 $(call feature_check,libopencsd) 512 $(call feature_check,libopencsd)
518 ifeq ($(feature-libopencsd), 1) 513 ifeq ($(feature-libopencsd), 1)
519 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPEN 514 CFLAGS += -DHAVE_CSTRACE_SUPPORT $(LIBOPENCSD_CFLAGS)
520 ifeq ($(feature-reallocarray), 0) 515 ifeq ($(feature-reallocarray), 0)
521 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY 516 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
522 endif 517 endif
523 LDFLAGS += $(LIBOPENCSD_LDFLAGS) 518 LDFLAGS += $(LIBOPENCSD_LDFLAGS)
524 EXTLIBS += $(OPENCSDLIBS) 519 EXTLIBS += $(OPENCSDLIBS)
525 $(call detected,CONFIG_LIBOPENCSD) 520 $(call detected,CONFIG_LIBOPENCSD)
526 ifdef CSTRACE_RAW 521 ifdef CSTRACE_RAW
527 CFLAGS += -DCS_DEBUG_RAW 522 CFLAGS += -DCS_DEBUG_RAW
528 ifeq (${CSTRACE_RAW}, packed) 523 ifeq (${CSTRACE_RAW}, packed)
529 CFLAGS += -DCS_RAW_PACKED 524 CFLAGS += -DCS_RAW_PACKED
530 endif 525 endif
531 endif 526 endif
532 else 527 else
533 $(error Error: No libopencsd library found !! 528 dummy := $(error Error: No libopencsd library found or the version is not up-to-date. Please install recent libopencsd to build with CORESIGHT=1)
534 endif 529 endif
535 endif 530 endif
536 531
537 ifndef NO_ZLIB 532 ifndef NO_ZLIB
538 ifeq ($(feature-zlib), 1) 533 ifeq ($(feature-zlib), 1)
539 CFLAGS += -DHAVE_ZLIB_SUPPORT 534 CFLAGS += -DHAVE_ZLIB_SUPPORT
540 EXTLIBS += -lz 535 EXTLIBS += -lz
541 $(call detected,CONFIG_ZLIB) 536 $(call detected,CONFIG_ZLIB)
542 else 537 else
543 NO_ZLIB := 1 538 NO_ZLIB := 1
544 endif 539 endif
545 endif 540 endif
546 541
547 ifndef NO_LIBELF 542 ifndef NO_LIBELF
548 CFLAGS += -DHAVE_LIBELF_SUPPORT 543 CFLAGS += -DHAVE_LIBELF_SUPPORT
549 EXTLIBS += -lelf 544 EXTLIBS += -lelf
550 $(call detected,CONFIG_LIBELF) 545 $(call detected,CONFIG_LIBELF)
551 546
552 ifeq ($(feature-libelf-getphdrnum), 1) 547 ifeq ($(feature-libelf-getphdrnum), 1)
553 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT 548 CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
554 endif 549 endif
555 550
556 ifeq ($(feature-libelf-gelf_getnote), 1) 551 ifeq ($(feature-libelf-gelf_getnote), 1)
557 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT 552 CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
558 else 553 else
559 $(warning gelf_getnote() not found on libe !! 554 msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
560 endif 555 endif
561 556
562 ifeq ($(feature-libelf-getshdrstrndx), 1) 557 ifeq ($(feature-libelf-getshdrstrndx), 1)
563 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT 558 CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
564 endif 559 endif
565 560
566 ifndef NO_LIBDEBUGINFOD 561 ifndef NO_LIBDEBUGINFOD
567 $(call feature_check,libdebuginfod) 562 $(call feature_check,libdebuginfod)
568 ifeq ($(feature-libdebuginfod), 1) 563 ifeq ($(feature-libdebuginfod), 1)
569 CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT 564 CFLAGS += -DHAVE_DEBUGINFOD_SUPPORT
570 EXTLIBS += -ldebuginfod 565 EXTLIBS += -ldebuginfod
571 endif 566 endif
572 endif 567 endif
573 568
574 ifndef NO_DWARF 569 ifndef NO_DWARF
575 ifeq ($(origin PERF_HAVE_DWARF_REGS), unde 570 ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
576 $(warning DWARF register mappings have n !! 571 msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled);
577 NO_DWARF := 1 572 NO_DWARF := 1
578 else 573 else
579 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_C 574 CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
580 LDFLAGS += $(LIBDW_LDFLAGS) 575 LDFLAGS += $(LIBDW_LDFLAGS)
581 EXTLIBS += ${DWARFLIBS} 576 EXTLIBS += ${DWARFLIBS}
582 $(call detected,CONFIG_DWARF) 577 $(call detected,CONFIG_DWARF)
583 endif # PERF_HAVE_DWARF_REGS 578 endif # PERF_HAVE_DWARF_REGS
584 endif # NO_DWARF 579 endif # NO_DWARF
585 580
586 ifndef NO_LIBBPF 581 ifndef NO_LIBBPF
587 ifeq ($(feature-bpf), 1) 582 ifeq ($(feature-bpf), 1)
588 # detecting libbpf without LIBBPF_DYNAMI 583 # detecting libbpf without LIBBPF_DYNAMIC, so make VF=1 shows libbpf detection status
589 $(call feature_check,libbpf) 584 $(call feature_check,libbpf)
590 585
591 ifdef LIBBPF_DYNAMIC 586 ifdef LIBBPF_DYNAMIC
592 ifeq ($(feature-libbpf), 1) 587 ifeq ($(feature-libbpf), 1)
593 EXTLIBS += -lbpf 588 EXTLIBS += -lbpf
594 CFLAGS += -DHAVE_LIBBPF_SUPPORT 589 CFLAGS += -DHAVE_LIBBPF_SUPPORT
595 $(call detected,CONFIG_LIBBPF) 590 $(call detected,CONFIG_LIBBPF)
596 $(call detected,CONFIG_LIBBPF_DYNAMI 591 $(call detected,CONFIG_LIBBPF_DYNAMIC)
597 else 592 else
598 $(error Error: No libbpf devel libra !! 593 dummy := $(error Error: No libbpf devel library found or older than v1.0, please install/update libbpf-devel);
599 endif 594 endif
600 else 595 else
601 ifeq ($(NO_ZLIB), 1) 596 ifeq ($(NO_ZLIB), 1)
602 $(warning Warning: Statically buildi !! 597 dummy := $(warning Warning: Statically building libbpf not possible as zlib is missing)
603 NO_LIBBPF := 1 598 NO_LIBBPF := 1
604 else 599 else
605 # Libbpf will be built as a static l 600 # Libbpf will be built as a static library from tools/lib/bpf.
606 LIBBPF_STATIC := 1 601 LIBBPF_STATIC := 1
607 $(call detected,CONFIG_LIBBPF) 602 $(call detected,CONFIG_LIBBPF)
608 CFLAGS += -DHAVE_LIBBPF_SUPPORT 603 CFLAGS += -DHAVE_LIBBPF_SUPPORT
609 endif 604 endif
610 endif 605 endif
611 endif 606 endif
612 endif # NO_LIBBPF 607 endif # NO_LIBBPF
613 endif # NO_LIBELF 608 endif # NO_LIBELF
614 609
615 ifndef NO_SDT 610 ifndef NO_SDT
616 ifneq ($(feature-sdt), 1) 611 ifneq ($(feature-sdt), 1)
617 $(warning No sys/sdt.h found, no SDT event !! 612 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; 613 NO_SDT := 1;
619 else 614 else
620 CFLAGS += -DHAVE_SDT_EVENT 615 CFLAGS += -DHAVE_SDT_EVENT
621 $(call detected,CONFIG_SDT_EVENT) 616 $(call detected,CONFIG_SDT_EVENT)
622 endif 617 endif
623 endif 618 endif
624 619
625 ifdef PERF_HAVE_JITDUMP 620 ifdef PERF_HAVE_JITDUMP
626 ifndef NO_LIBELF 621 ifndef NO_LIBELF
627 $(call detected,CONFIG_JITDUMP) 622 $(call detected,CONFIG_JITDUMP)
628 CFLAGS += -DHAVE_JITDUMP 623 CFLAGS += -DHAVE_JITDUMP
629 endif 624 endif
630 endif 625 endif
631 626
632 ifeq ($(SRCARCH),powerpc) 627 ifeq ($(SRCARCH),powerpc)
633 ifndef NO_DWARF 628 ifndef NO_DWARF
634 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX 629 CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
635 endif 630 endif
636 endif 631 endif
637 632
638 ifndef NO_LIBUNWIND 633 ifndef NO_LIBUNWIND
639 have_libunwind := 634 have_libunwind :=
640 635
641 $(call feature_check,libunwind-x86) 636 $(call feature_check,libunwind-x86)
642 ifeq ($(feature-libunwind-x86), 1) 637 ifeq ($(feature-libunwind-x86), 1)
643 $(call detected,CONFIG_LIBUNWIND_X86) 638 $(call detected,CONFIG_LIBUNWIND_X86)
644 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT 639 CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
645 LDFLAGS += -lunwind-x86 640 LDFLAGS += -lunwind-x86
646 EXTLIBS_LIBUNWIND += -lunwind-x86 641 EXTLIBS_LIBUNWIND += -lunwind-x86
647 have_libunwind = 1 642 have_libunwind = 1
648 endif 643 endif
649 644
650 $(call feature_check,libunwind-aarch64) 645 $(call feature_check,libunwind-aarch64)
651 ifeq ($(feature-libunwind-aarch64), 1) 646 ifeq ($(feature-libunwind-aarch64), 1)
652 $(call detected,CONFIG_LIBUNWIND_AARCH64) 647 $(call detected,CONFIG_LIBUNWIND_AARCH64)
653 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT 648 CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
654 LDFLAGS += -lunwind-aarch64 649 LDFLAGS += -lunwind-aarch64
655 EXTLIBS_LIBUNWIND += -lunwind-aarch64 650 EXTLIBS_LIBUNWIND += -lunwind-aarch64
656 have_libunwind = 1 651 have_libunwind = 1
657 $(call feature_check,libunwind-debug-frame 652 $(call feature_check,libunwind-debug-frame-aarch64)
658 ifneq ($(feature-libunwind-debug-frame-aar 653 ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
659 $(warning No debug_frame support found i !! 654 msg := $(warning No debug_frame support found in libunwind-aarch64);
660 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AAR 655 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
661 endif 656 endif
662 endif 657 endif
663 658
664 ifneq ($(feature-libunwind), 1) 659 ifneq ($(feature-libunwind), 1)
665 $(warning No libunwind found. Please insta !! 660 msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
666 NO_LOCAL_LIBUNWIND := 1 661 NO_LOCAL_LIBUNWIND := 1
667 else 662 else
668 have_libunwind := 1 663 have_libunwind := 1
669 $(call detected,CONFIG_LOCAL_LIBUNWIND) 664 $(call detected,CONFIG_LOCAL_LIBUNWIND)
670 endif 665 endif
671 666
672 ifneq ($(have_libunwind), 1) 667 ifneq ($(have_libunwind), 1)
673 NO_LIBUNWIND := 1 668 NO_LIBUNWIND := 1
674 endif 669 endif
675 else 670 else
676 NO_LOCAL_LIBUNWIND := 1 671 NO_LOCAL_LIBUNWIND := 1
677 endif 672 endif
678 673
679 ifndef NO_LIBBPF 674 ifndef NO_LIBBPF
680 ifneq ($(feature-bpf), 1) 675 ifneq ($(feature-bpf), 1)
681 $(warning BPF API too old. Please install !! 676 msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
682 NO_LIBBPF := 1 677 NO_LIBBPF := 1
683 endif 678 endif
684 endif 679 endif
685 680
686 ifndef BUILD_BPF_SKEL 681 ifndef BUILD_BPF_SKEL
687 # BPF skeletons control a large number of pe 682 # BPF skeletons control a large number of perf features, by default
688 # they are enabled. 683 # they are enabled.
689 BUILD_BPF_SKEL := 1 684 BUILD_BPF_SKEL := 1
690 endif 685 endif
691 686
692 ifeq ($(BUILD_BPF_SKEL),1) 687 ifeq ($(BUILD_BPF_SKEL),1)
693 ifeq ($(filter -DHAVE_LIBELF_SUPPORT, $(CFLA 688 ifeq ($(filter -DHAVE_LIBELF_SUPPORT, $(CFLAGS)),)
694 $(warning Warning: Disabled BPF skeletons !! 689 dummy := $(warning Warning: Disabled BPF skeletons as libelf is required by bpftool)
695 BUILD_BPF_SKEL := 0 690 BUILD_BPF_SKEL := 0
696 else ifeq ($(filter -DHAVE_ZLIB_SUPPORT, $(C 691 else ifeq ($(filter -DHAVE_ZLIB_SUPPORT, $(CFLAGS)),)
697 $(warning Warning: Disabled BPF skeletons !! 692 dummy := $(warning Warning: Disabled BPF skeletons as zlib is required by bpftool)
698 BUILD_BPF_SKEL := 0 693 BUILD_BPF_SKEL := 0
699 else ifeq ($(filter -DHAVE_LIBBPF_SUPPORT, $ 694 else ifeq ($(filter -DHAVE_LIBBPF_SUPPORT, $(CFLAGS)),)
700 $(warning Warning: Disabled BPF skeletons !! 695 dummy := $(warning Warning: Disabled BPF skeletons as libbpf is required)
701 BUILD_BPF_SKEL := 0 696 BUILD_BPF_SKEL := 0
702 else ifeq ($(call get-executable,$(CLANG)),) 697 else ifeq ($(call get-executable,$(CLANG)),)
703 $(warning Warning: Disabled BPF skeletons !! 698 dummy := $(warning Warning: Disabled BPF skeletons as clang ($(CLANG)) is missing)
704 BUILD_BPF_SKEL := 0 699 BUILD_BPF_SKEL := 0
705 else 700 else
706 CLANG_VERSION := $(shell $(CLANG) --versio 701 CLANG_VERSION := $(shell $(CLANG) --version | head -1 | sed 's/.*clang version \([[:digit:]]\+.[[:digit:]]\+.[[:digit:]]\+\).*/\1/g')
707 ifeq ($(call version-lt3,$(CLANG_VERSION), 702 ifeq ($(call version-lt3,$(CLANG_VERSION),12.0.1),1)
708 $(warning Warning: Disabled BPF skeleton !! 703 dummy := $(warning Warning: Disabled BPF skeletons as reliable BTF generation needs at least $(CLANG) version 12.0.1)
709 BUILD_BPF_SKEL := 0 704 BUILD_BPF_SKEL := 0
710 endif 705 endif
711 endif 706 endif
712 ifeq ($(BUILD_BPF_SKEL),1) 707 ifeq ($(BUILD_BPF_SKEL),1)
713 $(call feature_check,clang-bpf-co-re) 708 $(call feature_check,clang-bpf-co-re)
714 ifeq ($(feature-clang-bpf-co-re), 0) 709 ifeq ($(feature-clang-bpf-co-re), 0)
715 $(warning Warning: Disabled BPF skeleton !! 710 dummy := $(warning Warning: Disabled BPF skeletons as clang is too old)
716 BUILD_BPF_SKEL := 0 711 BUILD_BPF_SKEL := 0
717 endif 712 endif
718 endif 713 endif
719 ifeq ($(BUILD_BPF_SKEL),1) 714 ifeq ($(BUILD_BPF_SKEL),1)
720 $(call detected,CONFIG_PERF_BPF_SKEL) 715 $(call detected,CONFIG_PERF_BPF_SKEL)
721 CFLAGS += -DHAVE_BPF_SKEL 716 CFLAGS += -DHAVE_BPF_SKEL
722 endif 717 endif
723 endif 718 endif
724 719
725 ifndef GEN_VMLINUX_H 720 ifndef GEN_VMLINUX_H
726 VMLINUX_H=$(src-perf)/util/bpf_skel/vmlinux/ 721 VMLINUX_H=$(src-perf)/util/bpf_skel/vmlinux/vmlinux.h
727 endif 722 endif
728 723
729 dwarf-post-unwind := 1 724 dwarf-post-unwind := 1
730 dwarf-post-unwind-text := BUG 725 dwarf-post-unwind-text := BUG
731 726
732 # setup DWARF post unwinder 727 # setup DWARF post unwinder
733 ifdef NO_LIBUNWIND 728 ifdef NO_LIBUNWIND
734 ifdef NO_LIBDW_DWARF_UNWIND 729 ifdef NO_LIBDW_DWARF_UNWIND
735 $(warning Disabling post unwind, no suppor !! 730 msg := $(warning Disabling post unwind, no support found.);
736 dwarf-post-unwind := 0 731 dwarf-post-unwind := 0
737 else 732 else
738 dwarf-post-unwind-text := libdw 733 dwarf-post-unwind-text := libdw
739 $(call detected,CONFIG_LIBDW_DWARF_UNWIND) 734 $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
740 endif 735 endif
741 else 736 else
742 dwarf-post-unwind-text := libunwind 737 dwarf-post-unwind-text := libunwind
743 $(call detected,CONFIG_LIBUNWIND) 738 $(call detected,CONFIG_LIBUNWIND)
744 # Enable libunwind support by default. 739 # Enable libunwind support by default.
745 ifndef NO_LIBDW_DWARF_UNWIND 740 ifndef NO_LIBDW_DWARF_UNWIND
746 NO_LIBDW_DWARF_UNWIND := 1 741 NO_LIBDW_DWARF_UNWIND := 1
747 endif 742 endif
748 endif 743 endif
749 744
750 ifeq ($(dwarf-post-unwind),1) 745 ifeq ($(dwarf-post-unwind),1)
751 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT 746 CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
752 $(call detected,CONFIG_DWARF_UNWIND) 747 $(call detected,CONFIG_DWARF_UNWIND)
753 else 748 else
754 NO_DWARF_UNWIND := 1 749 NO_DWARF_UNWIND := 1
755 endif 750 endif
756 751
757 ifndef NO_LOCAL_LIBUNWIND 752 ifndef NO_LOCAL_LIBUNWIND
758 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm 753 ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64))
759 $(call feature_check,libunwind-debug-frame 754 $(call feature_check,libunwind-debug-frame)
760 ifneq ($(feature-libunwind-debug-frame), 1 755 ifneq ($(feature-libunwind-debug-frame), 1)
761 $(warning No debug_frame support found i !! 756 msg := $(warning No debug_frame support found in libunwind);
762 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME 757 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
763 endif 758 endif
764 else 759 else
765 # non-ARM has no dwarf_find_debug_frame() 760 # non-ARM has no dwarf_find_debug_frame() function:
766 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME 761 CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
767 endif 762 endif
768 EXTLIBS += $(LIBUNWIND_LIBS) 763 EXTLIBS += $(LIBUNWIND_LIBS)
769 LDFLAGS += $(LIBUNWIND_LIBS) 764 LDFLAGS += $(LIBUNWIND_LIBS)
770 endif 765 endif
771 ifeq ($(findstring -static,${LDFLAGS}),-static 766 ifeq ($(findstring -static,${LDFLAGS}),-static)
772 # gcc -static links libgcc_eh which contans 767 # gcc -static links libgcc_eh which contans piece of libunwind
773 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-de 768 LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition
774 endif 769 endif
775 770
776 ifndef NO_LIBUNWIND 771 ifndef NO_LIBUNWIND
777 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT 772 CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
778 CFLAGS += $(LIBUNWIND_CFLAGS) 773 CFLAGS += $(LIBUNWIND_CFLAGS)
779 LDFLAGS += $(LIBUNWIND_LDFLAGS) 774 LDFLAGS += $(LIBUNWIND_LDFLAGS)
780 EXTLIBS += $(EXTLIBS_LIBUNWIND) 775 EXTLIBS += $(EXTLIBS_LIBUNWIND)
781 endif 776 endif
782 777
783 ifneq ($(NO_LIBTRACEEVENT),1) 778 ifneq ($(NO_LIBTRACEEVENT),1)
784 ifeq ($(NO_SYSCALL_TABLE),0) 779 ifeq ($(NO_SYSCALL_TABLE),0)
785 $(call detected,CONFIG_TRACE) 780 $(call detected,CONFIG_TRACE)
786 else 781 else
787 ifndef NO_LIBAUDIT 782 ifndef NO_LIBAUDIT
788 $(call feature_check,libaudit) 783 $(call feature_check,libaudit)
789 ifneq ($(feature-libaudit), 1) 784 ifneq ($(feature-libaudit), 1)
790 $(warning No libaudit.h found, disable !! 785 msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
791 NO_LIBAUDIT := 1 786 NO_LIBAUDIT := 1
792 else 787 else
793 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT 788 CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
794 EXTLIBS += -laudit 789 EXTLIBS += -laudit
795 $(call detected,CONFIG_TRACE) 790 $(call detected,CONFIG_TRACE)
796 endif 791 endif
797 endif 792 endif
798 endif 793 endif
799 endif 794 endif
800 795
801 ifndef NO_LIBCRYPTO 796 ifndef NO_LIBCRYPTO
802 ifneq ($(feature-libcrypto), 1) 797 ifneq ($(feature-libcrypto), 1)
803 $(warning No libcrypto.h found, disables j !! 798 msg := $(warning No libcrypto.h found, disables jitted code injection, please install openssl-devel or libssl-dev);
804 NO_LIBCRYPTO := 1 799 NO_LIBCRYPTO := 1
805 else 800 else
806 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT 801 CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
807 EXTLIBS += -lcrypto 802 EXTLIBS += -lcrypto
808 $(call detected,CONFIG_CRYPTO) 803 $(call detected,CONFIG_CRYPTO)
809 endif 804 endif
810 endif 805 endif
811 806
812 ifndef NO_SLANG 807 ifndef NO_SLANG
813 ifneq ($(feature-libslang), 1) 808 ifneq ($(feature-libslang), 1)
814 ifneq ($(feature-libslang-include-subdir), 809 ifneq ($(feature-libslang-include-subdir), 1)
815 $(warning slang not found, disables TUI !! 810 msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
816 NO_SLANG := 1 811 NO_SLANG := 1
817 else 812 else
818 CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR 813 CFLAGS += -DHAVE_SLANG_INCLUDE_SUBDIR
819 endif 814 endif
820 endif 815 endif
821 ifndef NO_SLANG 816 ifndef NO_SLANG
822 # Fedora has /usr/include/slang/slang.h, b 817 # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
823 CFLAGS += -DHAVE_SLANG_SUPPORT 818 CFLAGS += -DHAVE_SLANG_SUPPORT
824 EXTLIBS += -lslang 819 EXTLIBS += -lslang
825 $(call detected,CONFIG_SLANG) 820 $(call detected,CONFIG_SLANG)
826 endif 821 endif
827 endif 822 endif
828 823
829 ifdef GTK2 824 ifdef GTK2
830 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $ 825 FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
831 $(call feature_check,gtk2) 826 $(call feature_check,gtk2)
832 ifneq ($(feature-gtk2), 1) 827 ifneq ($(feature-gtk2), 1)
833 $(warning GTK2 not found, disables GTK2 su !! 828 msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
834 NO_GTK2 := 1 829 NO_GTK2 := 1
835 else 830 else
836 $(call feature_check,gtk2-infobar) 831 $(call feature_check,gtk2-infobar)
837 ifeq ($(feature-gtk2-infobar), 1) 832 ifeq ($(feature-gtk2-infobar), 1)
838 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPOR 833 GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
839 endif 834 endif
840 CFLAGS += -DHAVE_GTK2_SUPPORT 835 CFLAGS += -DHAVE_GTK2_SUPPORT
841 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cfla 836 GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
842 GTK_LIBS := $(shell $(PKG_CONFIG) --libs g 837 GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
843 EXTLIBS += -ldl 838 EXTLIBS += -ldl
844 endif 839 endif
845 endif 840 endif
846 841
847 ifdef NO_LIBPERL 842 ifdef NO_LIBPERL
848 CFLAGS += -DNO_LIBPERL 843 CFLAGS += -DNO_LIBPERL
849 else 844 else
850 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils: 845 PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
851 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PER 846 PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
852 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_ 847 PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
853 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils: 848 PERL_EMBED_CCOPTS = $(shell perl -MExtUtils::Embed -e ccopts 2>/dev/null)
854 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$ 849 PERL_EMBED_CCOPTS := $(filter-out -specs=%,$(PERL_EMBED_CCOPTS))
855 PERL_EMBED_CCOPTS := $(filter-out -flto=auto 850 PERL_EMBED_CCOPTS := $(filter-out -flto=auto -ffat-lto-objects, $(PERL_EMBED_CCOPTS))
856 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$ 851 PERL_EMBED_LDOPTS := $(filter-out -specs=%,$(PERL_EMBED_LDOPTS))
857 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL 852 FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
858 853
859 ifneq ($(feature-libperl), 1) 854 ifneq ($(feature-libperl), 1)
860 CFLAGS += -DNO_LIBPERL 855 CFLAGS += -DNO_LIBPERL
861 NO_LIBPERL := 1 856 NO_LIBPERL := 1
862 $(warning Missing perl devel files. Disabl !! 857 msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
863 else 858 else
864 LDFLAGS += $(PERL_EMBED_LDFLAGS) 859 LDFLAGS += $(PERL_EMBED_LDFLAGS)
865 EXTLIBS += $(PERL_EMBED_LIBADD) 860 EXTLIBS += $(PERL_EMBED_LIBADD)
866 CFLAGS += -DHAVE_LIBPERL_SUPPORT 861 CFLAGS += -DHAVE_LIBPERL_SUPPORT
867 ifeq ($(CC_NO_CLANG), 0) 862 ifeq ($(CC_NO_CLANG), 0)
868 CFLAGS += -Wno-compound-token-split-by-m 863 CFLAGS += -Wno-compound-token-split-by-macro
869 endif 864 endif
870 $(call detected,CONFIG_LIBPERL) 865 $(call detected,CONFIG_LIBPERL)
871 endif 866 endif
872 endif 867 endif
873 868
874 ifeq ($(feature-timerfd), 1) 869 ifeq ($(feature-timerfd), 1)
875 CFLAGS += -DHAVE_TIMERFD_SUPPORT 870 CFLAGS += -DHAVE_TIMERFD_SUPPORT
876 else 871 else
877 $(warning No timerfd support. Disables 'perf !! 872 msg := $(warning No timerfd support. Disables 'perf kvm stat live');
878 endif 873 endif
879 874
880 disable-python = $(eval $(disable-python_code) 875 disable-python = $(eval $(disable-python_code))
881 define disable-python_code 876 define disable-python_code
882 CFLAGS += -DNO_LIBPYTHON 877 CFLAGS += -DNO_LIBPYTHON
883 $(warning $1) 878 $(warning $1)
884 NO_LIBPYTHON := 1 879 NO_LIBPYTHON := 1
885 endef 880 endef
886 881
887 PYTHON_EXTENSION_SUFFIX := '.so' 882 PYTHON_EXTENSION_SUFFIX := '.so'
888 ifdef NO_LIBPYTHON 883 ifdef NO_LIBPYTHON
889 $(call disable-python,Python support disable 884 $(call disable-python,Python support disabled by user)
890 else 885 else
891 886
892 ifndef PYTHON 887 ifndef PYTHON
893 $(call disable-python,No python interprete 888 $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
894 else 889 else
895 PYTHON_WORD := $(call shell-wordify,$(PYTH 890 PYTHON_WORD := $(call shell-wordify,$(PYTHON))
896 891
897 ifndef PYTHON_CONFIG 892 ifndef PYTHON_CONFIG
898 $(call disable-python,No 'python-config' 893 $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
899 else 894 else
900 895
901 ifneq ($(feature-libpython), 1) 896 ifneq ($(feature-libpython), 1)
902 $(call disable-python,No 'Python.h' wa 897 $(call disable-python,No 'Python.h' was found: disables Python support - please install python-devel/python-dev)
903 else 898 else
904 LDFLAGS += $(PYTHON_EMBED_LDFLAGS) 899 LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
905 EXTLIBS += $(PYTHON_EMBED_LIBADD) 900 EXTLIBS += $(PYTHON_EMBED_LIBADD)
906 PYTHON_SETUPTOOLS_INSTALLED := $(shel 901 PYTHON_SETUPTOOLS_INSTALLED := $(shell $(PYTHON) -c 'import setuptools;' 2> /dev/null && echo "yes" || echo "no")
907 ifeq ($(PYTHON_SETUPTOOLS_INSTALLED), 902 ifeq ($(PYTHON_SETUPTOOLS_INSTALLED), yes)
908 PYTHON_EXTENSION_SUFFIX := $(shell 903 PYTHON_EXTENSION_SUFFIX := $(shell $(PYTHON) -c 'from importlib import machinery; print(machinery.EXTENSION_SUFFIXES[0])')
909 ifdef CROSS_COMPILE <<
910 PYTHON_EXTENSION_SUFFIX := $(subs <<
911 endif <<
912 LANG_BINDINGS += $(obj-perf)python/ 904 LANG_BINDINGS += $(obj-perf)python/perf$(PYTHON_EXTENSION_SUFFIX)
913 else 905 else
914 $(warning Missing python setuptools !! 906 msg := $(warning Missing python setuptools, the python binding won't be built, please install python3-setuptools or equivalent);
915 endif 907 endif
916 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT 908 CFLAGS += -DHAVE_LIBPYTHON_SUPPORT
917 $(call detected,CONFIG_LIBPYTHON) 909 $(call detected,CONFIG_LIBPYTHON)
918 ifeq ($(filter -fPIC,$(CFLAGS)),) <<
919 # Building a shared library require <<
920 CFLAGS += -fPIC <<
921 CXXFLAGS += -fPIC <<
922 endif <<
923 endif 910 endif
924 endif 911 endif
925 endif 912 endif
926 endif 913 endif
927 914
928 ifneq ($(NO_JEVENTS),1) 915 ifneq ($(NO_JEVENTS),1)
929 ifeq ($(wildcard pmu-events/arch/$(SRCARCH)/ 916 ifeq ($(wildcard pmu-events/arch/$(SRCARCH)/mapfile.csv),)
930 NO_JEVENTS := 1 917 NO_JEVENTS := 1
931 endif 918 endif
932 endif 919 endif
933 ifneq ($(NO_JEVENTS),1) 920 ifneq ($(NO_JEVENTS),1)
934 NO_JEVENTS := 0 921 NO_JEVENTS := 0
935 ifndef PYTHON 922 ifndef PYTHON
936 $(error ERROR: No python interpreter neede 923 $(error ERROR: No python interpreter needed for jevents generation. Install python or build with NO_JEVENTS=1.)
937 else 924 else
938 # jevents.py uses f-strings present in Pyt 925 # jevents.py uses f-strings present in Python 3.6 released in Dec. 2016.
939 JEVENTS_PYTHON_GOOD := $(shell $(PYTHON) - 926 JEVENTS_PYTHON_GOOD := $(shell $(PYTHON) -c 'import sys;print("1" if(sys.version_info.major >= 3 and sys.version_info.minor >= 6) else "0")' 2> /dev/null)
940 ifneq ($(JEVENTS_PYTHON_GOOD), 1) 927 ifneq ($(JEVENTS_PYTHON_GOOD), 1)
941 $(error ERROR: Python interpreter needed 928 $(error ERROR: Python interpreter needed for jevents generation too old (older than 3.6). Install a newer python or build with NO_JEVENTS=1.)
942 endif 929 endif
943 endif 930 endif
944 endif 931 endif
945 932
946 ifdef BUILD_NONDISTRO 933 ifdef BUILD_NONDISTRO
947 ifeq ($(feature-libbfd), 1) 934 ifeq ($(feature-libbfd), 1)
948 EXTLIBS += -lbfd -lopcodes 935 EXTLIBS += -lbfd -lopcodes
949 else 936 else
950 # we are on a system that requires -libert 937 # we are on a system that requires -liberty and (maybe) -lz
951 # to link against -lbfd; test each case in 938 # to link against -lbfd; test each case individually here
952 939
953 # call all detections now so we get correc 940 # call all detections now so we get correct
954 # status in VF output 941 # status in VF output
955 $(call feature_check,libbfd-liberty) 942 $(call feature_check,libbfd-liberty)
956 $(call feature_check,libbfd-liberty-z) 943 $(call feature_check,libbfd-liberty-z)
957 944
958 ifeq ($(feature-libbfd-liberty), 1) 945 ifeq ($(feature-libbfd-liberty), 1)
959 EXTLIBS += -lbfd -lopcodes -liberty 946 EXTLIBS += -lbfd -lopcodes -liberty
960 FEATURE_CHECK_LDFLAGS-disassembler-four- 947 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -ldl
961 FEATURE_CHECK_LDFLAGS-disassembler-init- 948 FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -ldl
962 else 949 else
963 ifeq ($(feature-libbfd-liberty-z), 1) 950 ifeq ($(feature-libbfd-liberty-z), 1)
964 EXTLIBS += -lbfd -lopcodes -liberty -l 951 EXTLIBS += -lbfd -lopcodes -liberty -lz
965 FEATURE_CHECK_LDFLAGS-disassembler-fou 952 FEATURE_CHECK_LDFLAGS-disassembler-four-args += -liberty -lz -ldl
966 FEATURE_CHECK_LDFLAGS-disassembler-ini 953 FEATURE_CHECK_LDFLAGS-disassembler-init-styled += -liberty -lz -ldl
967 endif 954 endif
968 endif 955 endif
969 $(call feature_check,disassembler-four-arg 956 $(call feature_check,disassembler-four-args)
970 $(call feature_check,disassembler-init-sty 957 $(call feature_check,disassembler-init-styled)
971 endif 958 endif
972 959
973 CFLAGS += -DHAVE_LIBBFD_SUPPORT 960 CFLAGS += -DHAVE_LIBBFD_SUPPORT
974 CXXFLAGS += -DHAVE_LIBBFD_SUPPORT 961 CXXFLAGS += -DHAVE_LIBBFD_SUPPORT
975 ifeq ($(feature-libbfd-buildid), 1) 962 ifeq ($(feature-libbfd-buildid), 1)
976 CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT 963 CFLAGS += -DHAVE_LIBBFD_BUILDID_SUPPORT
977 else 964 else
978 $(warning Old version of libbfd/binutils t !! 965 msg := $(warning Old version of libbfd/binutils things like PE executable profiling will not be available);
979 endif <<
980 endif <<
981 <<
982 ifndef NO_LIBLLVM <<
983 $(call feature_check,llvm-perf) <<
984 ifeq ($(feature-llvm-perf), 1) <<
985 CFLAGS += -DHAVE_LIBLLVM_SUPPORT <<
986 CFLAGS += $(shell $(LLVM_CONFIG) --cflags) <<
987 CXXFLAGS += -DHAVE_LIBLLVM_SUPPORT <<
988 CXXFLAGS += $(shell $(LLVM_CONFIG) --cxxfl <<
989 LIBLLVM = $(shell $(LLVM_CONFIG) --libs al <<
990 EXTLIBS += -L$(shell $(LLVM_CONFIG) --libd <<
991 EXTLIBS += -lstdc++ <<
992 $(call detected,CONFIG_LIBLLVM) <<
993 else <<
994 $(warning No libllvm 13+ found, slower sou <<
995 NO_LIBLLVM := 1 <<
996 endif 966 endif
997 endif 967 endif
998 968
999 ifndef NO_DEMANGLE 969 ifndef NO_DEMANGLE
1000 $(call feature_check,cxa-demangle) 970 $(call feature_check,cxa-demangle)
1001 ifeq ($(feature-cxa-demangle), 1) 971 ifeq ($(feature-cxa-demangle), 1)
1002 EXTLIBS += -lstdc++ 972 EXTLIBS += -lstdc++
1003 CFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT 973 CFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT
1004 CXXFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT 974 CXXFLAGS += -DHAVE_CXA_DEMANGLE_SUPPORT
1005 $(call detected,CONFIG_CXX_DEMANGLE) 975 $(call detected,CONFIG_CXX_DEMANGLE)
1006 endif 976 endif
1007 ifdef BUILD_NONDISTRO 977 ifdef BUILD_NONDISTRO
1008 ifeq ($(filter -liberty,$(EXTLIBS)),) 978 ifeq ($(filter -liberty,$(EXTLIBS)),)
1009 $(call feature_check,cplus-demangle) 979 $(call feature_check,cplus-demangle)
1010 ifeq ($(feature-cplus-demangle), 1) 980 ifeq ($(feature-cplus-demangle), 1)
1011 EXTLIBS += -liberty 981 EXTLIBS += -liberty
1012 endif 982 endif
1013 endif 983 endif
1014 ifneq ($(filter -liberty,$(EXTLIBS)),) 984 ifneq ($(filter -liberty,$(EXTLIBS)),)
1015 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT 985 CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
1016 CXXFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPO 986 CXXFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
1017 endif 987 endif
1018 endif 988 endif
1019 endif 989 endif
1020 990
1021 ifndef NO_LZMA 991 ifndef NO_LZMA
1022 ifeq ($(feature-lzma), 1) 992 ifeq ($(feature-lzma), 1)
1023 CFLAGS += -DHAVE_LZMA_SUPPORT 993 CFLAGS += -DHAVE_LZMA_SUPPORT
1024 EXTLIBS += -llzma 994 EXTLIBS += -llzma
1025 $(call detected,CONFIG_LZMA) 995 $(call detected,CONFIG_LZMA)
1026 else 996 else
1027 $(warning No liblzma found, disables xz k !! 997 msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
1028 NO_LZMA := 1 998 NO_LZMA := 1
1029 endif 999 endif
1030 endif 1000 endif
1031 1001
1032 ifndef NO_LIBZSTD 1002 ifndef NO_LIBZSTD
1033 ifeq ($(feature-libzstd), 1) 1003 ifeq ($(feature-libzstd), 1)
1034 CFLAGS += -DHAVE_ZSTD_SUPPORT 1004 CFLAGS += -DHAVE_ZSTD_SUPPORT
1035 CFLAGS += $(LIBZSTD_CFLAGS) 1005 CFLAGS += $(LIBZSTD_CFLAGS)
1036 LDFLAGS += $(LIBZSTD_LDFLAGS) 1006 LDFLAGS += $(LIBZSTD_LDFLAGS)
1037 EXTLIBS += -lzstd 1007 EXTLIBS += -lzstd
1038 $(call detected,CONFIG_ZSTD) 1008 $(call detected,CONFIG_ZSTD)
1039 else 1009 else
1040 $(warning No libzstd found, disables trac !! 1010 msg := $(warning No libzstd found, disables trace compression, please install libzstd-dev[el] and/or set LIBZSTD_DIR);
1041 NO_LIBZSTD := 1 1011 NO_LIBZSTD := 1
1042 endif 1012 endif
1043 endif 1013 endif
1044 1014
>> 1015 ifndef NO_LIBCAP
>> 1016 ifeq ($(feature-libcap), 1)
>> 1017 CFLAGS += -DHAVE_LIBCAP_SUPPORT
>> 1018 EXTLIBS += -lcap
>> 1019 $(call detected,CONFIG_LIBCAP)
>> 1020 else
>> 1021 msg := $(warning No libcap found, disables capability support, please install libcap-devel/libcap-dev);
>> 1022 NO_LIBCAP := 1
>> 1023 endif
>> 1024 endif
>> 1025
1045 ifndef NO_BACKTRACE 1026 ifndef NO_BACKTRACE
1046 ifeq ($(feature-backtrace), 1) 1027 ifeq ($(feature-backtrace), 1)
1047 CFLAGS += -DHAVE_BACKTRACE_SUPPORT 1028 CFLAGS += -DHAVE_BACKTRACE_SUPPORT
1048 endif 1029 endif
1049 endif 1030 endif
1050 1031
1051 ifndef NO_LIBNUMA 1032 ifndef NO_LIBNUMA
1052 ifeq ($(feature-libnuma), 0) 1033 ifeq ($(feature-libnuma), 0)
1053 $(warning No numa.h found, disables 'perf !! 1034 msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
1054 NO_LIBNUMA := 1 1035 NO_LIBNUMA := 1
1055 else 1036 else
1056 ifeq ($(feature-numa_num_possible_cpus), 1037 ifeq ($(feature-numa_num_possible_cpus), 0)
1057 $(warning Old numa library found, disab !! 1038 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 1039 NO_LIBNUMA := 1
1059 else 1040 else
1060 CFLAGS += -DHAVE_LIBNUMA_SUPPORT 1041 CFLAGS += -DHAVE_LIBNUMA_SUPPORT
1061 EXTLIBS += -lnuma 1042 EXTLIBS += -lnuma
1062 $(call detected,CONFIG_NUMA) 1043 $(call detected,CONFIG_NUMA)
1063 endif 1044 endif
1064 endif 1045 endif
1065 endif 1046 endif
1066 1047
1067 ifdef HAVE_KVM_STAT_SUPPORT 1048 ifdef HAVE_KVM_STAT_SUPPORT
1068 CFLAGS += -DHAVE_KVM_STAT_SUPPORT 1049 CFLAGS += -DHAVE_KVM_STAT_SUPPORT
1069 endif 1050 endif
1070 1051
1071 ifeq ($(feature-disassembler-four-args), 1) 1052 ifeq ($(feature-disassembler-four-args), 1)
1072 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE 1053 CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
1073 endif 1054 endif
1074 1055
1075 ifeq ($(feature-disassembler-init-styled), 1) 1056 ifeq ($(feature-disassembler-init-styled), 1)
1076 CFLAGS += -DDISASM_INIT_STYLED 1057 CFLAGS += -DDISASM_INIT_STYLED
1077 endif 1058 endif
1078 1059
1079 ifeq (${IS_64_BIT}, 1) 1060 ifeq (${IS_64_BIT}, 1)
1080 ifndef NO_PERF_READ_VDSO32 1061 ifndef NO_PERF_READ_VDSO32
1081 $(call feature_check,compile-32) 1062 $(call feature_check,compile-32)
1082 ifeq ($(feature-compile-32), 1) 1063 ifeq ($(feature-compile-32), 1)
1083 CFLAGS += -DHAVE_PERF_READ_VDSO32 1064 CFLAGS += -DHAVE_PERF_READ_VDSO32
1084 else 1065 else
1085 NO_PERF_READ_VDSO32 := 1 1066 NO_PERF_READ_VDSO32 := 1
1086 endif 1067 endif
1087 endif 1068 endif
1088 ifneq ($(SRCARCH), x86) 1069 ifneq ($(SRCARCH), x86)
1089 NO_PERF_READ_VDSOX32 := 1 1070 NO_PERF_READ_VDSOX32 := 1
1090 endif 1071 endif
1091 ifndef NO_PERF_READ_VDSOX32 1072 ifndef NO_PERF_READ_VDSOX32
1092 $(call feature_check,compile-x32) 1073 $(call feature_check,compile-x32)
1093 ifeq ($(feature-compile-x32), 1) 1074 ifeq ($(feature-compile-x32), 1)
1094 CFLAGS += -DHAVE_PERF_READ_VDSOX32 1075 CFLAGS += -DHAVE_PERF_READ_VDSOX32
1095 else 1076 else
1096 NO_PERF_READ_VDSOX32 := 1 1077 NO_PERF_READ_VDSOX32 := 1
1097 endif 1078 endif
1098 endif 1079 endif
1099 else 1080 else
1100 NO_PERF_READ_VDSO32 := 1 1081 NO_PERF_READ_VDSO32 := 1
1101 NO_PERF_READ_VDSOX32 := 1 1082 NO_PERF_READ_VDSOX32 := 1
1102 endif 1083 endif
1103 1084
1104 ifndef NO_LIBBABELTRACE 1085 ifndef NO_LIBBABELTRACE
1105 $(call feature_check,libbabeltrace) 1086 $(call feature_check,libbabeltrace)
1106 ifeq ($(feature-libbabeltrace), 1) 1087 ifeq ($(feature-libbabeltrace), 1)
1107 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $( 1088 CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
1108 LDFLAGS += $(LIBBABELTRACE_LDFLAGS) 1089 LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
1109 EXTLIBS += -lbabeltrace-ctf 1090 EXTLIBS += -lbabeltrace-ctf
1110 $(call detected,CONFIG_LIBBABELTRACE) 1091 $(call detected,CONFIG_LIBBABELTRACE)
1111 else 1092 else
1112 $(warning No libbabeltrace found, disable !! 1093 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 := $(warning No libcapstone found, di <<
1125 endif 1094 endif
1126 endif 1095 endif
1127 1096
1128 ifndef NO_AUXTRACE 1097 ifndef NO_AUXTRACE
1129 ifeq ($(SRCARCH),x86) 1098 ifeq ($(SRCARCH),x86)
1130 ifeq ($(feature-get_cpuid), 0) 1099 ifeq ($(feature-get_cpuid), 0)
1131 $(warning Your gcc lacks the __get_cpui !! 1100 msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
1132 NO_AUXTRACE := 1 1101 NO_AUXTRACE := 1
1133 endif 1102 endif
1134 endif 1103 endif
1135 ifndef NO_AUXTRACE 1104 ifndef NO_AUXTRACE
1136 $(call detected,CONFIG_AUXTRACE) 1105 $(call detected,CONFIG_AUXTRACE)
1137 CFLAGS += -DHAVE_AUXTRACE_SUPPORT 1106 CFLAGS += -DHAVE_AUXTRACE_SUPPORT
1138 ifeq ($(feature-reallocarray), 0) 1107 ifeq ($(feature-reallocarray), 0)
1139 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY 1108 CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
1140 endif 1109 endif
1141 endif 1110 endif
1142 endif 1111 endif
1143 1112
1144 ifdef EXTRA_TESTS 1113 ifdef EXTRA_TESTS
1145 $(call detected,CONFIG_EXTRA_TESTS) 1114 $(call detected,CONFIG_EXTRA_TESTS)
1146 CFLAGS += -DHAVE_EXTRA_TESTS 1115 CFLAGS += -DHAVE_EXTRA_TESTS
1147 endif 1116 endif
1148 1117
1149 ifndef NO_JVMTI 1118 ifndef NO_JVMTI
1150 ifneq (,$(wildcard /usr/sbin/update-java-al 1119 ifneq (,$(wildcard /usr/sbin/update-java-alternatives))
1151 JDIR=$(shell /usr/sbin/update-java-altern 1120 JDIR=$(shell /usr/sbin/update-java-alternatives -l | head -1 | awk '{print $$3}')
1152 else 1121 else
1153 ifneq (,$(wildcard /usr/sbin/alternatives 1122 ifneq (,$(wildcard /usr/sbin/alternatives))
1154 JDIR=$(shell /usr/sbin/alternatives --d 1123 JDIR=$(shell /usr/sbin/alternatives --display java | tail -1 | cut -d' ' -f 5 | sed -e 's%/jre/bin/java.%%g' -e 's%/bin/java.%%g')
1155 endif 1124 endif
1156 endif 1125 endif
1157 ifndef JDIR 1126 ifndef JDIR
1158 $(warning No alternatives command found, 1127 $(warning No alternatives command found, you need to set JDIR= to point to the root of your Java directory)
1159 NO_JVMTI := 1 1128 NO_JVMTI := 1
1160 endif 1129 endif
1161 endif 1130 endif
1162 1131
1163 ifndef NO_JVMTI 1132 ifndef NO_JVMTI
1164 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/inc 1133 FEATURE_CHECK_CFLAGS-jvmti := -I$(JDIR)/include -I$(JDIR)/include/linux
1165 $(call feature_check,jvmti) 1134 $(call feature_check,jvmti)
1166 ifeq ($(feature-jvmti), 1) 1135 ifeq ($(feature-jvmti), 1)
1167 $(call detected_var,JDIR) 1136 $(call detected_var,JDIR)
1168 ifndef NO_JVMTI_CMLR 1137 ifndef NO_JVMTI_CMLR
1169 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FE 1138 FEATURE_CHECK_CFLAGS-jvmti-cmlr := $(FEATURE_CHECK_CFLAGS-jvmti)
1170 $(call feature_check,jvmti-cmlr) 1139 $(call feature_check,jvmti-cmlr)
1171 ifeq ($(feature-jvmti-cmlr), 1) 1140 ifeq ($(feature-jvmti-cmlr), 1)
1172 CFLAGS += -DHAVE_JVMTI_CMLR 1141 CFLAGS += -DHAVE_JVMTI_CMLR
1173 endif 1142 endif
1174 endif # NO_JVMTI_CMLR 1143 endif # NO_JVMTI_CMLR
1175 else 1144 else
1176 $(warning No openjdk development package 1145 $(warning No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel)
1177 NO_JVMTI := 1 1146 NO_JVMTI := 1
1178 endif 1147 endif
1179 endif 1148 endif
1180 1149
1181 ifndef NO_LIBPFM4 1150 ifndef NO_LIBPFM4
1182 $(call feature_check,libpfm4) 1151 $(call feature_check,libpfm4)
1183 ifeq ($(feature-libpfm4), 1) 1152 ifeq ($(feature-libpfm4), 1)
1184 CFLAGS += -DHAVE_LIBPFM 1153 CFLAGS += -DHAVE_LIBPFM
1185 EXTLIBS += -lpfm 1154 EXTLIBS += -lpfm
1186 ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1 1155 ASCIIDOC_EXTRA = -aHAVE_LIBPFM=1
1187 $(call detected,CONFIG_LIBPFM4) 1156 $(call detected,CONFIG_LIBPFM4)
1188 else 1157 else
1189 $(warning libpfm4 not found, disables lib !! 1158 msg := $(warning libpfm4 not found, disables libpfm4 support. Please install libpfm4-dev);
1190 endif 1159 endif
1191 endif 1160 endif
1192 1161
1193 # libtraceevent is a recommended dependency p 1162 # libtraceevent is a recommended dependency picked up from the system.
1194 ifneq ($(NO_LIBTRACEEVENT),1) 1163 ifneq ($(NO_LIBTRACEEVENT),1)
1195 $(call feature_check,libtraceevent) 1164 $(call feature_check,libtraceevent)
1196 ifeq ($(feature-libtraceevent), 1) 1165 ifeq ($(feature-libtraceevent), 1)
1197 CFLAGS += -DHAVE_LIBTRACEEVENT 1166 CFLAGS += -DHAVE_LIBTRACEEVENT
1198 LDFLAGS += $(shell $(PKG_CONFIG) --libs-o !! 1167 EXTLIBS += -ltraceevent
1199 EXTLIBS += $(shell $(PKG_CONFIG) --libs-o !! 1168 LIBTRACEEVENT_VERSION := $(shell $(PKG_CONFIG) --modversion libtraceevent)
1200 LIBTRACEEVENT_VERSION := $(shell $(PKG_CO <<
1201 LIBTRACEEVENT_VERSION_1 := $(word 1, $(su 1169 LIBTRACEEVENT_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEEVENT_VERSION)))
1202 LIBTRACEEVENT_VERSION_2 := $(word 2, $(su 1170 LIBTRACEEVENT_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEEVENT_VERSION)))
1203 LIBTRACEEVENT_VERSION_3 := $(word 3, $(su 1171 LIBTRACEEVENT_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEEVENT_VERSION)))
1204 LIBTRACEEVENT_VERSION_CPP := $(shell expr 1172 LIBTRACEEVENT_VERSION_CPP := $(shell expr $(LIBTRACEEVENT_VERSION_1) \* 255 \* 255 + $(LIBTRACEEVENT_VERSION_2) \* 255 + $(LIBTRACEEVENT_VERSION_3))
1205 CFLAGS += -DLIBTRACEEVENT_VERSION=$(LIBTR 1173 CFLAGS += -DLIBTRACEEVENT_VERSION=$(LIBTRACEEVENT_VERSION_CPP)
1206 $(call detected,CONFIG_LIBTRACEEVENT) 1174 $(call detected,CONFIG_LIBTRACEEVENT)
1207 else 1175 else
1208 $(error ERROR: libtraceevent is missing. !! 1176 dummy := $(error ERROR: libtraceevent is missing. Please install libtraceevent-dev/libtraceevent-devel or build with NO_LIBTRACEEVENT=1)
1209 endif 1177 endif
1210 1178
1211 $(call feature_check,libtracefs) 1179 $(call feature_check,libtracefs)
1212 ifeq ($(feature-libtracefs), 1) 1180 ifeq ($(feature-libtracefs), 1)
1213 CFLAGS += $(shell $(PKG_CONFIG) --cflags !! 1181 EXTLIBS += -ltracefs
1214 LDFLAGS += $(shell $(PKG_CONFIG) --libs-o !! 1182 LIBTRACEFS_VERSION := $(shell $(PKG_CONFIG) --modversion libtracefs)
1215 EXTLIBS += $(shell $(PKG_CONFIG) --libs-o <<
1216 LIBTRACEFS_VERSION := $(shell $(PKG_CONFI <<
1217 LIBTRACEFS_VERSION_1 := $(word 1, $(subst 1183 LIBTRACEFS_VERSION_1 := $(word 1, $(subst ., ,$(LIBTRACEFS_VERSION)))
1218 LIBTRACEFS_VERSION_2 := $(word 2, $(subst 1184 LIBTRACEFS_VERSION_2 := $(word 2, $(subst ., ,$(LIBTRACEFS_VERSION)))
1219 LIBTRACEFS_VERSION_3 := $(word 3, $(subst 1185 LIBTRACEFS_VERSION_3 := $(word 3, $(subst ., ,$(LIBTRACEFS_VERSION)))
1220 LIBTRACEFS_VERSION_CPP := $(shell expr $( 1186 LIBTRACEFS_VERSION_CPP := $(shell expr $(LIBTRACEFS_VERSION_1) \* 255 \* 255 + $(LIBTRACEFS_VERSION_2) \* 255 + $(LIBTRACEFS_VERSION_3))
1221 CFLAGS += -DLIBTRACEFS_VERSION=$(LIBTRACE 1187 CFLAGS += -DLIBTRACEFS_VERSION=$(LIBTRACEFS_VERSION_CPP)
1222 else <<
1223 $(warning libtracefs is missing. Please i <<
1224 endif 1188 endif
1225 endif 1189 endif
1226 1190
1227 # Among the variables below, these: 1191 # Among the variables below, these:
1228 # perfexecdir 1192 # perfexecdir
1229 # libbpf_include_dir 1193 # libbpf_include_dir
1230 # perf_examples_dir 1194 # perf_examples_dir
1231 # template_dir 1195 # template_dir
1232 # mandir 1196 # mandir
1233 # infodir 1197 # infodir
1234 # htmldir 1198 # htmldir
1235 # ETC_PERFCONFIG (but not sysconfdir) 1199 # ETC_PERFCONFIG (but not sysconfdir)
1236 # can be specified as a relative path some/wh 1200 # can be specified as a relative path some/where/else;
1237 # this is interpreted as relative to $(prefix 1201 # this is interpreted as relative to $(prefix) and "perf" at
1238 # runtime figures out where they are based on 1202 # runtime figures out where they are based on the path to the executable.
1239 # This can help installing the suite in a rel 1203 # This can help installing the suite in a relocatable way.
1240 1204
1241 # Make the path relative to DESTDIR, not to p 1205 # Make the path relative to DESTDIR, not to prefix
1242 ifndef DESTDIR 1206 ifndef DESTDIR
1243 prefix ?= $(HOME) 1207 prefix ?= $(HOME)
1244 endif 1208 endif
1245 bindir_relative = bin 1209 bindir_relative = bin
1246 bindir = $(abspath $(prefix)/$(bindir_relativ 1210 bindir = $(abspath $(prefix)/$(bindir_relative))
1247 includedir_relative = include 1211 includedir_relative = include
1248 includedir = $(abspath $(prefix)/$(includedir 1212 includedir = $(abspath $(prefix)/$(includedir_relative))
1249 mandir = share/man 1213 mandir = share/man
1250 infodir = share/info 1214 infodir = share/info
1251 perfexecdir = libexec/perf-core 1215 perfexecdir = libexec/perf-core
1252 # FIXME: system's libbpf header directory, wh 1216 # FIXME: system's libbpf header directory, where we expect to find bpf/bpf_helpers.h, for instance
1253 libbpf_include_dir = /usr/include 1217 libbpf_include_dir = /usr/include
1254 perf_examples_dir = lib/perf/examples 1218 perf_examples_dir = lib/perf/examples
1255 sharedir = $(prefix)/share 1219 sharedir = $(prefix)/share
1256 template_dir = share/perf-core/templates 1220 template_dir = share/perf-core/templates
1257 STRACE_GROUPS_DIR = share/perf-core/strace/gr 1221 STRACE_GROUPS_DIR = share/perf-core/strace/groups
1258 htmldir = share/doc/perf-doc 1222 htmldir = share/doc/perf-doc
1259 tipdir = share/doc/perf-tip 1223 tipdir = share/doc/perf-tip
1260 srcdir = $(srctree)/tools/perf 1224 srcdir = $(srctree)/tools/perf
1261 ifeq ($(prefix),/usr) 1225 ifeq ($(prefix),/usr)
1262 sysconfdir = /etc 1226 sysconfdir = /etc
1263 ETC_PERFCONFIG = $(sysconfdir)/perfconfig 1227 ETC_PERFCONFIG = $(sysconfdir)/perfconfig
1264 else 1228 else
1265 sysconfdir = $(prefix)/etc 1229 sysconfdir = $(prefix)/etc
1266 ETC_PERFCONFIG = etc/perfconfig 1230 ETC_PERFCONFIG = etc/perfconfig
1267 endif 1231 endif
1268 ifndef lib 1232 ifndef lib
1269 ifeq ($(SRCARCH)$(IS_64_BIT), x861) 1233 ifeq ($(SRCARCH)$(IS_64_BIT), x861)
1270 lib = lib64 1234 lib = lib64
1271 else 1235 else
1272 lib = lib 1236 lib = lib
1273 endif 1237 endif
1274 endif # lib 1238 endif # lib
1275 libdir = $(prefix)/$(lib) 1239 libdir = $(prefix)/$(lib)
1276 1240
1277 # Shell quote (do not use $(call) to accommod 1241 # Shell quote (do not use $(call) to accommodate ancient setups);
1278 ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERF 1242 ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
1279 STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRAC 1243 STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
1280 DESTDIR_SQ = $(subst ','\'',$(DESTDIR)) 1244 DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
1281 bindir_SQ = $(subst ','\'',$(bindir)) 1245 bindir_SQ = $(subst ','\'',$(bindir))
1282 includedir_SQ = $(subst ','\'',$(includedir)) 1246 includedir_SQ = $(subst ','\'',$(includedir))
1283 mandir_SQ = $(subst ','\'',$(mandir)) 1247 mandir_SQ = $(subst ','\'',$(mandir))
1284 infodir_SQ = $(subst ','\'',$(infodir)) 1248 infodir_SQ = $(subst ','\'',$(infodir))
1285 perfexecdir_SQ = $(subst ','\'',$(perfexecdir 1249 perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
1286 libbpf_include_dir_SQ = $(subst ','\'',$(libb 1250 libbpf_include_dir_SQ = $(subst ','\'',$(libbpf_include_dir))
1287 perf_examples_dir_SQ = $(subst ','\'',$(perf_ 1251 perf_examples_dir_SQ = $(subst ','\'',$(perf_examples_dir))
1288 template_dir_SQ = $(subst ','\'',$(template_d 1252 template_dir_SQ = $(subst ','\'',$(template_dir))
1289 htmldir_SQ = $(subst ','\'',$(htmldir)) 1253 htmldir_SQ = $(subst ','\'',$(htmldir))
1290 tipdir_SQ = $(subst ','\'',$(tipdir)) 1254 tipdir_SQ = $(subst ','\'',$(tipdir))
1291 prefix_SQ = $(subst ','\'',$(prefix)) 1255 prefix_SQ = $(subst ','\'',$(prefix))
1292 sysconfdir_SQ = $(subst ','\'',$(sysconfdir)) 1256 sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
1293 libdir_SQ = $(subst ','\'',$(libdir)) 1257 libdir_SQ = $(subst ','\'',$(libdir))
1294 srcdir_SQ = $(subst ','\'',$(srcdir)) 1258 srcdir_SQ = $(subst ','\'',$(srcdir))
1295 1259
1296 ifneq ($(filter /%,$(firstword $(perfexecdir) 1260 ifneq ($(filter /%,$(firstword $(perfexecdir))),)
1297 perfexec_instdir = $(perfexecdir) 1261 perfexec_instdir = $(perfexecdir)
1298 perf_include_instdir = $(libbpf_include_dir) 1262 perf_include_instdir = $(libbpf_include_dir)
1299 perf_examples_instdir = $(perf_examples_dir) 1263 perf_examples_instdir = $(perf_examples_dir)
1300 STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR) 1264 STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
1301 tip_instdir = $(tipdir) 1265 tip_instdir = $(tipdir)
1302 else 1266 else
1303 perfexec_instdir = $(prefix)/$(perfexecdir) 1267 perfexec_instdir = $(prefix)/$(perfexecdir)
1304 perf_include_instdir = $(prefix)/$(libbpf_inc 1268 perf_include_instdir = $(prefix)/$(libbpf_include_dir)
1305 perf_examples_instdir = $(prefix)/$(perf_exam 1269 perf_examples_instdir = $(prefix)/$(perf_examples_dir)
1306 STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GR 1270 STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
1307 tip_instdir = $(prefix)/$(tipdir) 1271 tip_instdir = $(prefix)/$(tipdir)
1308 endif 1272 endif
1309 perfexec_instdir_SQ = $(subst ','\'',$(perfex 1273 perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
1310 perf_include_instdir_SQ = $(subst ','\'',$(pe 1274 perf_include_instdir_SQ = $(subst ','\'',$(perf_include_instdir))
1311 perf_examples_instdir_SQ = $(subst ','\'',$(p 1275 perf_examples_instdir_SQ = $(subst ','\'',$(perf_examples_instdir))
1312 STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(S 1276 STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
1313 tip_instdir_SQ = $(subst ','\'',$(tip_instdir 1277 tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
1314 1278
1315 export perfexec_instdir_SQ 1279 export perfexec_instdir_SQ
1316 1280
1317 print_var = $(eval $(print_var_code)) $(info 1281 print_var = $(eval $(print_var_code)) $(info $(MSG))
1318 define print_var_code 1282 define print_var_code
1319 MSG = $(shell printf '...%40s: %s' $(1) $ 1283 MSG = $(shell printf '...%40s: %s' $(1) $($(1)))
1320 endef 1284 endef
1321 1285
1322 ifeq ($(feature_display),1) 1286 ifeq ($(feature_display),1)
1323 $(call feature_display_entries) 1287 $(call feature_display_entries)
1324 endif 1288 endif
1325 1289
1326 ifeq ($(VF),1) 1290 ifeq ($(VF),1)
1327 # Display EXTRA features which are detected 1291 # Display EXTRA features which are detected manualy
1328 # from here with feature_check call and thu 1292 # from here with feature_check call and thus cannot
1329 # be partof global state output. 1293 # be partof global state output.
1330 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(cal 1294 $(foreach feat,$(FEATURE_TESTS_EXTRA),$(call feature_print_status,$(feat),) $(info $(MSG)))
1331 $(call print_var,prefix) 1295 $(call print_var,prefix)
1332 $(call print_var,bindir) 1296 $(call print_var,bindir)
1333 $(call print_var,libdir) 1297 $(call print_var,libdir)
1334 $(call print_var,sysconfdir) 1298 $(call print_var,sysconfdir)
1335 $(call print_var,LIBUNWIND_DIR) 1299 $(call print_var,LIBUNWIND_DIR)
1336 $(call print_var,LIBDW_DIR) 1300 $(call print_var,LIBDW_DIR)
1337 $(call print_var,JDIR) 1301 $(call print_var,JDIR)
1338 1302
1339 ifeq ($(dwarf-post-unwind),1) 1303 ifeq ($(dwarf-post-unwind),1)
1340 $(call feature_print_text,"DWARF post unw 1304 $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text)) $(info $(MSG))
1341 endif 1305 endif
1342 endif 1306 endif
1343 1307
1344 $(info ) 1308 $(info )
1345 1309
1346 $(call detected_var,bindir_SQ) 1310 $(call detected_var,bindir_SQ)
1347 $(call detected_var,PYTHON_WORD) 1311 $(call detected_var,PYTHON_WORD)
1348 ifneq ($(OUTPUT),) 1312 ifneq ($(OUTPUT),)
1349 $(call detected_var,OUTPUT) 1313 $(call detected_var,OUTPUT)
1350 endif 1314 endif
1351 $(call detected_var,htmldir_SQ) 1315 $(call detected_var,htmldir_SQ)
1352 $(call detected_var,infodir_SQ) 1316 $(call detected_var,infodir_SQ)
1353 $(call detected_var,mandir_SQ) 1317 $(call detected_var,mandir_SQ)
1354 $(call detected_var,ETC_PERFCONFIG_SQ) 1318 $(call detected_var,ETC_PERFCONFIG_SQ)
1355 $(call detected_var,STRACE_GROUPS_DIR_SQ) 1319 $(call detected_var,STRACE_GROUPS_DIR_SQ)
1356 $(call detected_var,prefix_SQ) 1320 $(call detected_var,prefix_SQ)
1357 $(call detected_var,perfexecdir_SQ) 1321 $(call detected_var,perfexecdir_SQ)
1358 $(call detected_var,libbpf_include_dir_SQ) 1322 $(call detected_var,libbpf_include_dir_SQ)
1359 $(call detected_var,perf_examples_dir_SQ) 1323 $(call detected_var,perf_examples_dir_SQ)
1360 $(call detected_var,tipdir_SQ) 1324 $(call detected_var,tipdir_SQ)
1361 $(call detected_var,srcdir_SQ) 1325 $(call detected_var,srcdir_SQ)
1362 $(call detected_var,LIBDIR) 1326 $(call detected_var,LIBDIR)
1363 $(call detected_var,GTK_CFLAGS) 1327 $(call detected_var,GTK_CFLAGS)
1364 $(call detected_var,PERL_EMBED_CCOPTS) 1328 $(call detected_var,PERL_EMBED_CCOPTS)
1365 $(call detected_var,PYTHON_EMBED_CCOPTS) 1329 $(call detected_var,PYTHON_EMBED_CCOPTS)
1366 ifneq ($(BISON_FILE_PREFIX_MAP),) 1330 ifneq ($(BISON_FILE_PREFIX_MAP),)
1367 $(call detected_var,BISON_FILE_PREFIX_MAP) 1331 $(call detected_var,BISON_FILE_PREFIX_MAP)
1368 endif 1332 endif
1369 1333
1370 # re-generate FEATURE-DUMP as we may have cal 1334 # re-generate FEATURE-DUMP as we may have called feature_check, found out
1371 # extra libraries to add to LDFLAGS of some o 1335 # extra libraries to add to LDFLAGS of some other test and then redo those
1372 # tests, see the block about libbfd, disassem 1336 # tests, see the block about libbfd, disassembler-four-args, for instance.
1373 $(shell rm -f $(FEATURE_DUMP_FILENAME)) 1337 $(shell rm -f $(FEATURE_DUMP_FILENAME))
1374 $(foreach feat,$(FEATURE_TESTS),$(shell echo 1338 $(foreach feat,$(FEATURE_TESTS),$(shell echo "$(call feature_assign,$(feat))" >> $(FEATURE_DUMP_FILENAME)))
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