1 ########################################################### 2 ## Standard rules for building binary object files from 3 ## asm/c/cpp/yacc/lex source files. 4 ## 5 ## The list of object files is exported in $(all_objects). 6 ########################################################### 7 8 ####################################### 9 include $(BUILD_SYSTEM)/base_rules.mk 10 ####################################### 11 12 #################################################### 13 ## Add FDO flags if FDO is turned on and supported 14 #################################################### 15 ifeq ($(strip $(LOCAL_NO_FDO_SUPPORT)),) 16 LOCAL_CFLAGS += $(TARGET_FDO_CFLAGS) 17 LOCAL_CPPFLAGS += $(TARGET_FDO_CFLAGS) 18 LOCAL_LDFLAGS += $(TARGET_FDO_CFLAGS) 19 endif 20 21 ########################################################### 22 ## Define PRIVATE_ variables used by multiple module types 23 ########################################################### 24 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_NO_DEFAULT_COMPILER_FLAGS := \ 25 $(strip $(LOCAL_NO_DEFAULT_COMPILER_FLAGS)) 26 27 ifeq ($(strip $(LOCAL_CC)),) 28 LOCAL_CC := $($(my_prefix)CC) 29 endif 30 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CC := $(LOCAL_CC) 31 32 ifeq ($(strip $(LOCAL_CXX)),) 33 LOCAL_CXX := $($(my_prefix)CXX) 34 endif 35 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CXX := $(LOCAL_CXX) 36 37 # TODO: support a mix of standard extensions so that this isn't necessary 38 LOCAL_CPP_EXTENSION := $(strip $(LOCAL_CPP_EXTENSION)) 39 ifeq ($(LOCAL_CPP_EXTENSION),) 40 LOCAL_CPP_EXTENSION := .cpp 41 endif 42 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CPP_EXTENSION := $(LOCAL_CPP_EXTENSION) 43 44 # Certain modules like libdl have to have symbols resolved at runtime and blow 45 # up if --no-undefined is passed to the linker. 46 ifeq ($(strip $(LOCAL_NO_DEFAULT_COMPILER_FLAGS)),) 47 ifeq ($(strip $(LOCAL_ALLOW_UNDEFINED_SYMBOLS)),) 48 LOCAL_LDFLAGS := $(LOCAL_LDFLAGS) $($(my_prefix)NO_UNDEFINED_LDFLAGS) 49 endif 50 endif 51 52 ########################################################### 53 ## Define arm-vs-thumb-mode flags. 54 ########################################################### 55 LOCAL_ARM_MODE := $(strip $(LOCAL_ARM_MODE)) 56 arm_objects_mode := $(if $(LOCAL_ARM_MODE),$(LOCAL_ARM_MODE),arm) 57 normal_objects_mode := $(if $(LOCAL_ARM_MODE),$(LOCAL_ARM_MODE),thumb) 58 59 # Read the values from something like TARGET_arm_CFLAGS or 60 # TARGET_thumb_CFLAGS. HOST_(arm|thumb)_CFLAGS values aren't 61 # actually used (although they are usually empty). 62 arm_objects_cflags := $($(my_prefix)$(arm_objects_mode)_CFLAGS) 63 normal_objects_cflags := $($(my_prefix)$(normal_objects_mode)_CFLAGS) 64 65 ########################################################### 66 ## Define per-module debugging flags. Users can turn on 67 ## debugging for a particular module by setting DEBUG_MODULE_ModuleName 68 ## to a non-empty value in their environment or buildspec.mk, 69 ## and setting HOST_/TARGET_CUSTOM_DEBUG_CFLAGS to the 70 ## debug flags that they want to use. 71 ########################################################### 72 ifdef DEBUG_MODULE_$(strip $(LOCAL_MODULE)) 73 debug_cflags := $($(my_prefix)CUSTOM_DEBUG_CFLAGS) 74 else 75 debug_cflags := 76 endif 77 78 ########################################################### 79 ## Stuff source generated from one-off tools 80 ########################################################### 81 $(LOCAL_GENERATED_SOURCES): PRIVATE_MODULE := $(LOCAL_MODULE) 82 83 ALL_GENERATED_SOURCES += $(LOCAL_GENERATED_SOURCES) 84 85 86 ########################################################### 87 ## YACC: Compile .y files to .cpp and the to .o. 88 ########################################################### 89 90 yacc_sources := $(filter %.y,$(LOCAL_SRC_FILES)) 91 yacc_cpps := $(addprefix \ 92 $(intermediates)/,$(yacc_sources:.y=$(LOCAL_CPP_EXTENSION))) 93 yacc_headers := $(yacc_cpps:$(LOCAL_CPP_EXTENSION)=.h) 94 yacc_objects := $(yacc_cpps:$(LOCAL_CPP_EXTENSION)=.o) 95 96 ifneq ($(strip $(yacc_cpps)),) 97 $(yacc_cpps): $(intermediates)/%$(LOCAL_CPP_EXTENSION): \ 98 $(TOPDIR)$(LOCAL_PATH)/%.y \ 99 $(lex_cpps) $(LOCAL_ADDITIONAL_DEPENDENCIES) 100 $(call transform-y-to-cpp,$(PRIVATE_CPP_EXTENSION)) 101 $(yacc_headers): $(intermediates)/%.h: $(intermediates)/%$(LOCAL_CPP_EXTENSION) 102 103 $(yacc_objects): PRIVATE_ARM_MODE := $(normal_objects_mode) 104 $(yacc_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags) 105 $(yacc_objects): $(intermediates)/%.o: $(intermediates)/%$(LOCAL_CPP_EXTENSION) 106 $(transform-$(PRIVATE_HOST)cpp-to-o) 107 endif 108 109 ########################################################### 110 ## LEX: Compile .l files to .cpp and then to .o. 111 ########################################################### 112 113 lex_sources := $(filter %.l,$(LOCAL_SRC_FILES)) 114 lex_cpps := $(addprefix \ 115 $(intermediates)/,$(lex_sources:.l=$(LOCAL_CPP_EXTENSION))) 116 lex_objects := $(lex_cpps:$(LOCAL_CPP_EXTENSION)=.o) 117 118 ifneq ($(strip $(lex_cpps)),) 119 $(lex_cpps): $(intermediates)/%$(LOCAL_CPP_EXTENSION): \ 120 $(TOPDIR)$(LOCAL_PATH)/%.l 121 $(transform-l-to-cpp) 122 123 $(lex_objects): PRIVATE_ARM_MODE := $(normal_objects_mode) 124 $(lex_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags) 125 $(lex_objects): $(intermediates)/%.o: \ 126 $(intermediates)/%$(LOCAL_CPP_EXTENSION) \ 127 $(LOCAL_ADDITIONAL_DEPENDENCIES) \ 128 $(yacc_headers) 129 $(transform-$(PRIVATE_HOST)cpp-to-o) 130 endif 131 132 ########################################################### 133 ## C++: Compile .cpp files to .o. 134 ########################################################### 135 136 # we also do this on host modules and sim builds, even though 137 # it's not really arm, because there are files that are shared. 138 cpp_arm_sources := $(patsubst %$(LOCAL_CPP_EXTENSION).arm,%$(LOCAL_CPP_EXTENSION),$(filter %$(LOCAL_CPP_EXTENSION).arm,$(LOCAL_SRC_FILES))) 139 cpp_arm_objects := $(addprefix $(intermediates)/,$(cpp_arm_sources:$(LOCAL_CPP_EXTENSION)=.o)) 140 141 cpp_normal_sources := $(filter %$(LOCAL_CPP_EXTENSION),$(LOCAL_SRC_FILES)) 142 cpp_normal_objects := $(addprefix $(intermediates)/,$(cpp_normal_sources:$(LOCAL_CPP_EXTENSION)=.o)) 143 144 $(cpp_arm_objects): PRIVATE_ARM_MODE := $(arm_objects_mode) 145 $(cpp_arm_objects): PRIVATE_ARM_CFLAGS := $(arm_objects_cflags) 146 $(cpp_normal_objects): PRIVATE_ARM_MODE := $(normal_objects_mode) 147 $(cpp_normal_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags) 148 149 cpp_objects := $(cpp_arm_objects) $(cpp_normal_objects) 150 151 ifneq ($(strip $(cpp_objects)),) 152 $(cpp_objects): $(intermediates)/%.o: \ 153 $(TOPDIR)$(LOCAL_PATH)/%$(LOCAL_CPP_EXTENSION) \ 154 $(yacc_cpps) $(LOCAL_ADDITIONAL_DEPENDENCIES) 155 $(transform-$(PRIVATE_HOST)cpp-to-o) 156 -include $(cpp_objects:%.o=%.P) 157 endif 158 159 ########################################################### 160 ## C++: Compile generated .cpp files to .o. 161 ########################################################### 162 163 gen_cpp_sources := $(filter %$(LOCAL_CPP_EXTENSION),$(LOCAL_GENERATED_SOURCES)) 164 gen_cpp_objects := $(gen_cpp_sources:%$(LOCAL_CPP_EXTENSION)=%.o) 165 166 ifneq ($(strip $(gen_cpp_objects)),) 167 # Compile all generated files as thumb. 168 # TODO: support compiling certain generated files as arm. 169 $(gen_cpp_objects): PRIVATE_ARM_MODE := $(normal_objects_mode) 170 $(gen_cpp_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags) 171 $(gen_cpp_objects): $(intermediates)/%.o: $(intermediates)/%$(LOCAL_CPP_EXTENSION) $(yacc_cpps) $(LOCAL_ADDITIONAL_DEPENDENCIES) 172 $(transform-$(PRIVATE_HOST)cpp-to-o) 173 -include $(gen_cpp_objects:%.o=%.P) 174 endif 175 176 ########################################################### 177 ## S: Compile generated .S and .s files to .o. 178 ########################################################### 179 180 gen_S_sources := $(filter %.S,$(LOCAL_GENERATED_SOURCES)) 181 gen_S_objects := $(gen_S_sources:%.S=%.o) 182 183 ifneq ($(strip $(gen_S_sources)),) 184 $(gen_S_objects): $(intermediates)/%.o: $(intermediates)/%.S $(LOCAL_ADDITIONAL_DEPENDENCIES) 185 $(transform-$(PRIVATE_HOST)s-to-o) 186 -include $(gen_S_objects:%.o=%.P) 187 endif 188 189 gen_s_sources := $(filter %.s,$(LOCAL_GENERATED_SOURCES)) 190 gen_s_objects := $(gen_s_sources:%.s=%.o) 191 192 ifneq ($(strip $(gen_s_objects)),) 193 $(gen_s_objects): $(intermediates)/%.o: $(intermediates)/%.s $(LOCAL_ADDITIONAL_DEPENDENCIES) 194 $(transform-$(PRIVATE_HOST)s-to-o-no-deps) 195 -include $(gen_s_objects:%.o=%.P) 196 endif 197 198 gen_asm_objects := $(gen_S_objects) $(gen_s_objects) 199 200 ########################################################### 201 ## C: Compile .c files to .o. 202 ########################################################### 203 204 c_arm_sources := $(patsubst %.c.arm,%.c,$(filter %.c.arm,$(LOCAL_SRC_FILES))) 205 c_arm_objects := $(addprefix $(intermediates)/,$(c_arm_sources:.c=.o)) 206 207 c_normal_sources := $(filter %.c,$(LOCAL_SRC_FILES)) 208 c_normal_objects := $(addprefix $(intermediates)/,$(c_normal_sources:.c=.o)) 209 210 $(c_arm_objects): PRIVATE_ARM_MODE := $(arm_objects_mode) 211 $(c_arm_objects): PRIVATE_ARM_CFLAGS := $(arm_objects_cflags) 212 $(c_normal_objects): PRIVATE_ARM_MODE := $(normal_objects_mode) 213 $(c_normal_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags) 214 215 c_objects := $(c_arm_objects) $(c_normal_objects) 216 217 ifneq ($(strip $(c_objects)),) 218 $(c_objects): $(intermediates)/%.o: $(TOPDIR)$(LOCAL_PATH)/%.c $(yacc_cpps) $(LOCAL_ADDITIONAL_DEPENDENCIES) 219 $(transform-$(PRIVATE_HOST)c-to-o) 220 -include $(c_objects:%.o=%.P) 221 endif 222 223 ########################################################### 224 ## C: Compile generated .c files to .o. 225 ########################################################### 226 227 gen_c_sources := $(filter %.c,$(LOCAL_GENERATED_SOURCES)) 228 gen_c_objects := $(gen_c_sources:%.c=%.o) 229 230 ifneq ($(strip $(gen_c_objects)),) 231 # Compile all generated files as thumb. 232 # TODO: support compiling certain generated files as arm. 233 $(gen_c_objects): PRIVATE_ARM_MODE := $(normal_objects_mode) 234 $(gen_c_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags) 235 $(gen_c_objects): $(intermediates)/%.o: $(intermediates)/%.c $(yacc_cpps) $(LOCAL_ADDITIONAL_DEPENDENCIES) 236 $(transform-$(PRIVATE_HOST)c-to-o) 237 -include $(gen_c_objects:%.o=%.P) 238 endif 239 240 ########################################################### 241 ## ObjC: Compile .m files to .o 242 ########################################################### 243 244 objc_sources := $(filter %.m,$(LOCAL_SRC_FILES)) 245 objc_objects := $(addprefix $(intermediates)/,$(objc_sources:.m=.o)) 246 247 ifneq ($(strip $(objc_objects)),) 248 $(objc_objects): $(intermediates)/%.o: $(TOPDIR)$(LOCAL_PATH)/%.m $(yacc_cpps) $(PRIVATE_ADDITIONAL_DEPENDENCIES) 249 $(transform-$(PRIVATE_HOST)m-to-o) 250 -include $(objc_objects:%.o=%.P) 251 endif 252 253 ########################################################### 254 ## AS: Compile .S files to .o. 255 ########################################################### 256 257 asm_sources_S := $(filter %.S,$(LOCAL_SRC_FILES)) 258 asm_objects_S := $(addprefix $(intermediates)/,$(asm_sources_S:.S=.o)) 259 260 ifneq ($(strip $(asm_objects_S)),) 261 $(asm_objects_S): $(intermediates)/%.o: $(TOPDIR)$(LOCAL_PATH)/%.S $(LOCAL_ADDITIONAL_DEPENDENCIES) 262 $(transform-$(PRIVATE_HOST)s-to-o) 263 -include $(asm_objects_S:%.o=%.P) 264 endif 265 266 asm_sources_s := $(filter %.s,$(LOCAL_SRC_FILES)) 267 asm_objects_s := $(addprefix $(intermediates)/,$(asm_sources_s:.s=.o)) 268 269 ifneq ($(strip $(asm_objects_s)),) 270 $(asm_objects_s): $(intermediates)/%.o: $(TOPDIR)$(LOCAL_PATH)/%.s $(LOCAL_ADDITIONAL_DEPENDENCIES) 271 $(transform-$(PRIVATE_HOST)s-to-o-no-deps) 272 -include $(asm_objects_s:%.o=%.P) 273 endif 274 275 asm_objects := $(asm_objects_S) $(asm_objects_s) 276 277 278 ########################################################### 279 ## Common object handling. 280 ########################################################### 281 282 # some rules depend on asm_objects being first. If your code depends on 283 # being first, it's reasonable to require it to be assembly 284 all_objects := \ 285 $(asm_objects) \ 286 $(cpp_objects) \ 287 $(gen_cpp_objects) \ 288 $(gen_asm_objects) \ 289 $(c_objects) \ 290 $(gen_c_objects) \ 291 $(yacc_objects) \ 292 $(lex_objects) \ 293 $(addprefix $(TOPDIR)$(LOCAL_PATH)/,$(LOCAL_PREBUILT_OBJ_FILES)) 294 295 LOCAL_C_INCLUDES += $(TOPDIR)$(LOCAL_PATH) $(intermediates) $(base_intermediates) 296 297 $(all_objects) : | $(LOCAL_GENERATED_SOURCES) 298 ALL_C_CPP_ETC_OBJECTS += $(all_objects) 299 300 ########################################################### 301 ## Copy headers to the install tree 302 ########################################################### 303 include $(BUILD_COPY_HEADERS) 304 305 ########################################################### 306 # Standard library handling. 307 # 308 # On the target, we compile with -nostdlib, so we must add in the 309 # default system shared libraries, unless they have requested not 310 # to by supplying a LOCAL_SYSTEM_SHARED_LIBRARIES value. One would 311 # supply that, for example, when building libc itself. 312 ########################################################### 313 ifndef LOCAL_IS_HOST_MODULE 314 ifeq ($(LOCAL_SYSTEM_SHARED_LIBRARIES),none) 315 LOCAL_SHARED_LIBRARIES += $($(my_prefix)DEFAULT_SYSTEM_SHARED_LIBRARIES) 316 else 317 LOCAL_SHARED_LIBRARIES += $(LOCAL_SYSTEM_SHARED_LIBRARIES) 318 endif 319 endif 320 321 # Logging used to be part of libcutils (target) and libutils (sim); 322 # hack modules that use those other libs to also include liblog. 323 # All of this complexity is to make sure that liblog only appears 324 # once, and appears just before libcutils or libutils on the link 325 # line. 326 # TODO: remove this hack and change all modules to use liblog 327 # when necessary. 328 define insert-liblog 329 $(if $(filter liblog,$(1)),$(1), \ 330 $(if $(filter libcutils,$(1)), \ 331 $(patsubst libcutils,liblog libcutils,$(1)) \ 332 , \ 333 $(patsubst libutils,liblog libutils,$(1)) \ 334 ) \ 335 ) 336 endef 337 ifneq (,$(filter libcutils libutils,$(LOCAL_SHARED_LIBRARIES))) 338 LOCAL_SHARED_LIBRARIES := $(call insert-liblog,$(LOCAL_SHARED_LIBRARIES)) 339 endif 340 ifneq (,$(filter libcutils libutils,$(LOCAL_STATIC_LIBRARIES))) 341 LOCAL_STATIC_LIBRARIES := $(call insert-liblog,$(LOCAL_STATIC_LIBRARIES)) 342 endif 343 ifneq (,$(filter libcutils libutils,$(LOCAL_WHOLE_STATIC_LIBRARIES))) 344 LOCAL_WHOLE_STATIC_LIBRARIES := $(call insert-liblog,$(LOCAL_WHOLE_STATIC_LIBRARIES)) 345 endif 346 347 ########################################################### 348 # The list of libraries that this module will link against are in 349 # these variables. Each is a list of bare module names like "libc libm". 350 # 351 # LOCAL_SHARED_LIBRARIES 352 # LOCAL_STATIC_LIBRARIES 353 # LOCAL_WHOLE_STATIC_LIBRARIES 354 # 355 # We need to convert the bare names into the dependencies that 356 # we'll use for LOCAL_BUILT_MODULE and LOCAL_INSTALLED_MODULE. 357 # LOCAL_BUILT_MODULE should depend on the BUILT versions of the 358 # libraries, so that simply building this module doesn't force 359 # an install of a library. Similarly, LOCAL_INSTALLED_MODULE 360 # should depend on the INSTALLED versions of the libraries so 361 # that they get installed when this module does. 362 ########################################################### 363 # NOTE: 364 # WHOLE_STATIC_LIBRARIES are libraries that are pulled into the 365 # module without leaving anything out, which is useful for turning 366 # a collection of .a files into a .so file. Linking against a 367 # normal STATIC_LIBRARY will only pull in code/symbols that are 368 # referenced by the module. (see gcc/ld's --whole-archive option) 369 ########################################################### 370 371 # Get the list of BUILT libraries, which are under 372 # various intermediates directories. 373 so_suffix := $($(my_prefix)SHLIB_SUFFIX) 374 a_suffix := $($(my_prefix)STATIC_LIB_SUFFIX) 375 376 built_shared_libraries := \ 377 $(addprefix $($(my_prefix)OUT_INTERMEDIATE_LIBRARIES)/, \ 378 $(addsuffix $(so_suffix), \ 379 $(LOCAL_SHARED_LIBRARIES))) 380 381 built_static_libraries := \ 382 $(foreach lib,$(LOCAL_STATIC_LIBRARIES), \ 383 $(call intermediates-dir-for, \ 384 STATIC_LIBRARIES,$(lib),$(LOCAL_IS_HOST_MODULE))/$(lib)$(a_suffix)) 385 386 built_whole_libraries := \ 387 $(foreach lib,$(LOCAL_WHOLE_STATIC_LIBRARIES), \ 388 $(call intermediates-dir-for, \ 389 STATIC_LIBRARIES,$(lib),$(LOCAL_IS_HOST_MODULE))/$(lib)$(a_suffix)) 390 391 # Get the list of INSTALLED libraries. Strip off the various 392 # intermediates directories and point to the common lib dirs. 393 installed_shared_libraries := \ 394 $(addprefix $($(my_prefix)OUT_SHARED_LIBRARIES)/, \ 395 $(notdir $(built_shared_libraries))) 396 397 # We don't care about installed static libraries, since the 398 # libraries have already been linked into the module at that point. 399 # We do, however, care about the NOTICE files for any static 400 # libraries that we use. (see notice_files.make) 401 402 installed_static_library_notice_file_targets := \ 403 $(foreach lib,$(LOCAL_STATIC_LIBRARIES) $(LOCAL_WHOLE_STATIC_LIBRARIES), \ 404 NOTICE-$(if $(LOCAL_IS_HOST_MODULE),HOST,TARGET)-STATIC_LIBRARIES-$(lib)) 405 406 ########################################################### 407 # Rule-specific variable definitions 408 ########################################################### 409 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_YACCFLAGS := $(LOCAL_YACCFLAGS) 410 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_ASFLAGS := $(LOCAL_ASFLAGS) 411 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CFLAGS := $(LOCAL_CFLAGS) 412 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CPPFLAGS := $(LOCAL_CPPFLAGS) 413 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_DEBUG_CFLAGS := $(debug_cflags) 414 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_C_INCLUDES := $(LOCAL_C_INCLUDES) 415 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_LDFLAGS := $(LOCAL_LDFLAGS) 416 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_LDLIBS := $(LOCAL_LDLIBS) 417 418 # this is really the way to get the files onto the command line instead 419 # of using $^, because then LOCAL_ADDITIONAL_DEPENDENCIES doesn't work 420 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_ALL_SHARED_LIBRARIES := $(built_shared_libraries) 421 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_ALL_STATIC_LIBRARIES := $(built_static_libraries) 422 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_ALL_WHOLE_STATIC_LIBRARIES := $(built_whole_libraries) 423 $(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_ALL_OBJECTS := $(all_objects) 424 425 ########################################################### 426 # Define library dependencies. 427 ########################################################### 428 # all_libraries is used for the dependencies on LOCAL_BUILT_MODULE. 429 all_libraries := \ 430 $(built_shared_libraries) \ 431 $(built_static_libraries) \ 432 $(built_whole_libraries) 433 434 # Make LOCAL_INSTALLED_MODULE depend on the installed versions of the 435 # libraries so they get installed along with it. We don't need to 436 # rebuild it when installing it, though, so this can be an order-only 437 # dependency. 438 $(LOCAL_INSTALLED_MODULE): | $(installed_shared_libraries) 439 440 # Also depend on the notice files for any static libraries that 441 # are linked into this module. This will force them to be installed 442 # when this module is. 443 $(LOCAL_INSTALLED_MODULE): | $(installed_static_library_notice_file_targets) 444