binary.mk revision 0d09e587aaa52fe1d3f1bfdd6faec9c5e232e1df
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####################################### 9include $(BUILD_SYSTEM)/base_rules.mk 10####################################### 11 12#################################################### 13## Add FDO flags if FDO is turned on and supported 14#################################################### 15ifeq ($(strip $(LOCAL_NO_FDO_SUPPORT)),) 16 LOCAL_CFLAGS += $(TARGET_FDO_CFLAGS) 17 LOCAL_CPPFLAGS += $(TARGET_FDO_CFLAGS) 18 LOCAL_LDFLAGS += $(TARGET_FDO_CFLAGS) 19endif 20 21########################################################### 22## Define PRIVATE_ variables used by multiple module types 23########################################################### 24$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_NO_DEFAULT_COMPILER_FLAGS := \ 25 $(strip $(LOCAL_NO_DEFAULT_COMPILER_FLAGS)) 26 27ifeq ($(strip $(LOCAL_CC)),) 28 LOCAL_CC := $($(my_prefix)CC) 29endif 30$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CC := $(LOCAL_CC) 31 32ifeq ($(strip $(LOCAL_CXX)),) 33 LOCAL_CXX := $($(my_prefix)CXX) 34endif 35$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CXX := $(LOCAL_CXX) 36 37# TODO: support a mix of standard extensions so that this isn't necessary 38LOCAL_CPP_EXTENSION := $(strip $(LOCAL_CPP_EXTENSION)) 39ifeq ($(LOCAL_CPP_EXTENSION),) 40 LOCAL_CPP_EXTENSION := .cpp 41endif 42$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CPP_EXTENSION := $(LOCAL_CPP_EXTENSION) 43 44# Certain modules like libdl have to have symbols resolved at runtime and blow 45# up if --no-undefined is passed to the linker. 46ifeq ($(strip $(LOCAL_NO_DEFAULT_COMPILER_FLAGS)),) 47ifeq ($(strip $(LOCAL_ALLOW_UNDEFINED_SYMBOLS)),) 48 LOCAL_LDFLAGS := $(LOCAL_LDFLAGS) $($(my_prefix)NO_UNDEFINED_LDFLAGS) 49endif 50endif 51 52########################################################### 53## Define arm-vs-thumb-mode flags. 54########################################################### 55LOCAL_ARM_MODE := $(strip $(LOCAL_ARM_MODE)) 56ifeq ($(TARGET_ARCH),arm) 57arm_objects_mode := $(if $(LOCAL_ARM_MODE),$(LOCAL_ARM_MODE),arm) 58normal_objects_mode := $(if $(LOCAL_ARM_MODE),$(LOCAL_ARM_MODE),thumb) 59 60# Read the values from something like TARGET_arm_CFLAGS or 61# TARGET_thumb_CFLAGS. HOST_(arm|thumb)_CFLAGS values aren't 62# actually used (although they are usually empty). 63arm_objects_cflags := $($(my_prefix)$(arm_objects_mode)_CFLAGS) 64normal_objects_cflags := $($(my_prefix)$(normal_objects_mode)_CFLAGS) 65else 66arm_objects_mode := 67normal_objects_mode := 68arm_objects_cflags := 69normal_objects_cflags := 70endif 71 72########################################################### 73## Define per-module debugging flags. Users can turn on 74## debugging for a particular module by setting DEBUG_MODULE_ModuleName 75## to a non-empty value in their environment or buildspec.mk, 76## and setting HOST_/TARGET_CUSTOM_DEBUG_CFLAGS to the 77## debug flags that they want to use. 78########################################################### 79ifdef DEBUG_MODULE_$(strip $(LOCAL_MODULE)) 80 debug_cflags := $($(my_prefix)CUSTOM_DEBUG_CFLAGS) 81else 82 debug_cflags := 83endif 84 85########################################################### 86## Stuff source generated from one-off tools 87########################################################### 88$(LOCAL_GENERATED_SOURCES): PRIVATE_MODULE := $(LOCAL_MODULE) 89 90ALL_GENERATED_SOURCES += $(LOCAL_GENERATED_SOURCES) 91 92 93########################################################### 94## YACC: Compile .y files to .cpp and the to .o. 95########################################################### 96 97yacc_sources := $(filter %.y,$(LOCAL_SRC_FILES)) 98yacc_cpps := $(addprefix \ 99 $(intermediates)/,$(yacc_sources:.y=$(LOCAL_CPP_EXTENSION))) 100yacc_headers := $(yacc_cpps:$(LOCAL_CPP_EXTENSION)=.h) 101yacc_objects := $(yacc_cpps:$(LOCAL_CPP_EXTENSION)=.o) 102 103ifneq ($(strip $(yacc_cpps)),) 104$(yacc_cpps): $(intermediates)/%$(LOCAL_CPP_EXTENSION): \ 105 $(TOPDIR)$(LOCAL_PATH)/%.y \ 106 $(lex_cpps) $(LOCAL_ADDITIONAL_DEPENDENCIES) 107 $(call transform-y-to-cpp,$(PRIVATE_CPP_EXTENSION)) 108$(yacc_headers): $(intermediates)/%.h: $(intermediates)/%$(LOCAL_CPP_EXTENSION) 109 110$(yacc_objects): PRIVATE_ARM_MODE := $(normal_objects_mode) 111$(yacc_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags) 112$(yacc_objects): $(intermediates)/%.o: $(intermediates)/%$(LOCAL_CPP_EXTENSION) 113 $(transform-$(PRIVATE_HOST)cpp-to-o) 114endif 115 116########################################################### 117## LEX: Compile .l files to .cpp and then to .o. 118########################################################### 119 120lex_sources := $(filter %.l,$(LOCAL_SRC_FILES)) 121lex_cpps := $(addprefix \ 122 $(intermediates)/,$(lex_sources:.l=$(LOCAL_CPP_EXTENSION))) 123lex_objects := $(lex_cpps:$(LOCAL_CPP_EXTENSION)=.o) 124 125ifneq ($(strip $(lex_cpps)),) 126$(lex_cpps): $(intermediates)/%$(LOCAL_CPP_EXTENSION): \ 127 $(TOPDIR)$(LOCAL_PATH)/%.l 128 $(transform-l-to-cpp) 129 130$(lex_objects): PRIVATE_ARM_MODE := $(normal_objects_mode) 131$(lex_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags) 132$(lex_objects): $(intermediates)/%.o: \ 133 $(intermediates)/%$(LOCAL_CPP_EXTENSION) \ 134 $(LOCAL_ADDITIONAL_DEPENDENCIES) \ 135 $(yacc_headers) 136 $(transform-$(PRIVATE_HOST)cpp-to-o) 137endif 138 139########################################################### 140## C++: Compile .cpp files to .o. 141########################################################### 142 143# we also do this on host modules and sim builds, even though 144# it's not really arm, because there are files that are shared. 145cpp_arm_sources := $(patsubst %$(LOCAL_CPP_EXTENSION).arm,%$(LOCAL_CPP_EXTENSION),$(filter %$(LOCAL_CPP_EXTENSION).arm,$(LOCAL_SRC_FILES))) 146cpp_arm_objects := $(addprefix $(intermediates)/,$(cpp_arm_sources:$(LOCAL_CPP_EXTENSION)=.o)) 147 148cpp_normal_sources := $(filter %$(LOCAL_CPP_EXTENSION),$(LOCAL_SRC_FILES)) 149cpp_normal_objects := $(addprefix $(intermediates)/,$(cpp_normal_sources:$(LOCAL_CPP_EXTENSION)=.o)) 150 151$(cpp_arm_objects): PRIVATE_ARM_MODE := $(arm_objects_mode) 152$(cpp_arm_objects): PRIVATE_ARM_CFLAGS := $(arm_objects_cflags) 153$(cpp_normal_objects): PRIVATE_ARM_MODE := $(normal_objects_mode) 154$(cpp_normal_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags) 155 156cpp_objects := $(cpp_arm_objects) $(cpp_normal_objects) 157 158ifneq ($(strip $(cpp_objects)),) 159$(cpp_objects): $(intermediates)/%.o: \ 160 $(TOPDIR)$(LOCAL_PATH)/%$(LOCAL_CPP_EXTENSION) \ 161 $(yacc_cpps) $(LOCAL_ADDITIONAL_DEPENDENCIES) 162 $(transform-$(PRIVATE_HOST)cpp-to-o) 163-include $(cpp_objects:%.o=%.P) 164endif 165 166########################################################### 167## C++: Compile generated .cpp files to .o. 168########################################################### 169 170gen_cpp_sources := $(filter %$(LOCAL_CPP_EXTENSION),$(LOCAL_GENERATED_SOURCES)) 171gen_cpp_objects := $(gen_cpp_sources:%$(LOCAL_CPP_EXTENSION)=%.o) 172 173ifneq ($(strip $(gen_cpp_objects)),) 174# Compile all generated files as thumb. 175# TODO: support compiling certain generated files as arm. 176$(gen_cpp_objects): PRIVATE_ARM_MODE := $(normal_objects_mode) 177$(gen_cpp_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags) 178$(gen_cpp_objects): $(intermediates)/%.o: $(intermediates)/%$(LOCAL_CPP_EXTENSION) $(yacc_cpps) $(LOCAL_ADDITIONAL_DEPENDENCIES) 179 $(transform-$(PRIVATE_HOST)cpp-to-o) 180-include $(gen_cpp_objects:%.o=%.P) 181endif 182 183########################################################### 184## S: Compile generated .S and .s files to .o. 185########################################################### 186 187gen_S_sources := $(filter %.S,$(LOCAL_GENERATED_SOURCES)) 188gen_S_objects := $(gen_S_sources:%.S=%.o) 189 190ifneq ($(strip $(gen_S_sources)),) 191$(gen_S_objects): $(intermediates)/%.o: $(intermediates)/%.S $(LOCAL_ADDITIONAL_DEPENDENCIES) 192 $(transform-$(PRIVATE_HOST)s-to-o) 193-include $(gen_S_objects:%.o=%.P) 194endif 195 196gen_s_sources := $(filter %.s,$(LOCAL_GENERATED_SOURCES)) 197gen_s_objects := $(gen_s_sources:%.s=%.o) 198 199ifneq ($(strip $(gen_s_objects)),) 200$(gen_s_objects): $(intermediates)/%.o: $(intermediates)/%.s $(LOCAL_ADDITIONAL_DEPENDENCIES) 201 $(transform-$(PRIVATE_HOST)s-to-o-no-deps) 202-include $(gen_s_objects:%.o=%.P) 203endif 204 205gen_asm_objects := $(gen_S_objects) $(gen_s_objects) 206 207########################################################### 208## C: Compile .c files to .o. 209########################################################### 210 211c_arm_sources := $(patsubst %.c.arm,%.c,$(filter %.c.arm,$(LOCAL_SRC_FILES))) 212c_arm_objects := $(addprefix $(intermediates)/,$(c_arm_sources:.c=.o)) 213 214c_normal_sources := $(filter %.c,$(LOCAL_SRC_FILES)) 215c_normal_objects := $(addprefix $(intermediates)/,$(c_normal_sources:.c=.o)) 216 217$(c_arm_objects): PRIVATE_ARM_MODE := $(arm_objects_mode) 218$(c_arm_objects): PRIVATE_ARM_CFLAGS := $(arm_objects_cflags) 219$(c_normal_objects): PRIVATE_ARM_MODE := $(normal_objects_mode) 220$(c_normal_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags) 221 222c_objects := $(c_arm_objects) $(c_normal_objects) 223 224ifneq ($(strip $(c_objects)),) 225$(c_objects): $(intermediates)/%.o: $(TOPDIR)$(LOCAL_PATH)/%.c $(yacc_cpps) $(LOCAL_ADDITIONAL_DEPENDENCIES) 226 $(transform-$(PRIVATE_HOST)c-to-o) 227-include $(c_objects:%.o=%.P) 228endif 229 230########################################################### 231## C: Compile generated .c files to .o. 232########################################################### 233 234gen_c_sources := $(filter %.c,$(LOCAL_GENERATED_SOURCES)) 235gen_c_objects := $(gen_c_sources:%.c=%.o) 236 237ifneq ($(strip $(gen_c_objects)),) 238# Compile all generated files as thumb. 239# TODO: support compiling certain generated files as arm. 240$(gen_c_objects): PRIVATE_ARM_MODE := $(normal_objects_mode) 241$(gen_c_objects): PRIVATE_ARM_CFLAGS := $(normal_objects_cflags) 242$(gen_c_objects): $(intermediates)/%.o: $(intermediates)/%.c $(yacc_cpps) $(LOCAL_ADDITIONAL_DEPENDENCIES) 243 $(transform-$(PRIVATE_HOST)c-to-o) 244-include $(gen_c_objects:%.o=%.P) 245endif 246 247########################################################### 248## ObjC: Compile .m files to .o 249########################################################### 250 251objc_sources := $(filter %.m,$(LOCAL_SRC_FILES)) 252objc_objects := $(addprefix $(intermediates)/,$(objc_sources:.m=.o)) 253 254ifneq ($(strip $(objc_objects)),) 255$(objc_objects): $(intermediates)/%.o: $(TOPDIR)$(LOCAL_PATH)/%.m $(yacc_cpps) $(PRIVATE_ADDITIONAL_DEPENDENCIES) 256 $(transform-$(PRIVATE_HOST)m-to-o) 257-include $(objc_objects:%.o=%.P) 258endif 259 260########################################################### 261## AS: Compile .S files to .o. 262########################################################### 263 264asm_sources_S := $(filter %.S,$(LOCAL_SRC_FILES)) 265asm_objects_S := $(addprefix $(intermediates)/,$(asm_sources_S:.S=.o)) 266 267ifneq ($(strip $(asm_objects_S)),) 268$(asm_objects_S): $(intermediates)/%.o: $(TOPDIR)$(LOCAL_PATH)/%.S $(LOCAL_ADDITIONAL_DEPENDENCIES) 269 $(transform-$(PRIVATE_HOST)s-to-o) 270-include $(asm_objects_S:%.o=%.P) 271endif 272 273asm_sources_s := $(filter %.s,$(LOCAL_SRC_FILES)) 274asm_objects_s := $(addprefix $(intermediates)/,$(asm_sources_s:.s=.o)) 275 276ifneq ($(strip $(asm_objects_s)),) 277$(asm_objects_s): $(intermediates)/%.o: $(TOPDIR)$(LOCAL_PATH)/%.s $(LOCAL_ADDITIONAL_DEPENDENCIES) 278 $(transform-$(PRIVATE_HOST)s-to-o-no-deps) 279-include $(asm_objects_s:%.o=%.P) 280endif 281 282asm_objects := $(asm_objects_S) $(asm_objects_s) 283 284 285########################################################### 286## Common object handling. 287########################################################### 288 289# some rules depend on asm_objects being first. If your code depends on 290# being first, it's reasonable to require it to be assembly 291all_objects := \ 292 $(asm_objects) \ 293 $(cpp_objects) \ 294 $(gen_cpp_objects) \ 295 $(gen_asm_objects) \ 296 $(c_objects) \ 297 $(gen_c_objects) \ 298 $(yacc_objects) \ 299 $(lex_objects) \ 300 $(addprefix $(TOPDIR)$(LOCAL_PATH)/,$(LOCAL_PREBUILT_OBJ_FILES)) 301 302LOCAL_C_INCLUDES += $(TOPDIR)$(LOCAL_PATH) $(intermediates) $(base_intermediates) 303 304$(all_objects) : | $(LOCAL_GENERATED_SOURCES) 305ALL_C_CPP_ETC_OBJECTS += $(all_objects) 306 307########################################################### 308## Copy headers to the install tree 309########################################################### 310include $(BUILD_COPY_HEADERS) 311 312########################################################### 313# Standard library handling. 314# 315# On the target, we compile with -nostdlib, so we must add in the 316# default system shared libraries, unless they have requested not 317# to by supplying a LOCAL_SYSTEM_SHARED_LIBRARIES value. One would 318# supply that, for example, when building libc itself. 319########################################################### 320ifndef LOCAL_IS_HOST_MODULE 321 ifeq ($(LOCAL_SYSTEM_SHARED_LIBRARIES),none) 322 LOCAL_SHARED_LIBRARIES += $($(my_prefix)DEFAULT_SYSTEM_SHARED_LIBRARIES) 323 else 324 LOCAL_SHARED_LIBRARIES += $(LOCAL_SYSTEM_SHARED_LIBRARIES) 325 endif 326endif 327 328# Logging used to be part of libcutils (target) and libutils (sim); 329# hack modules that use those other libs to also include liblog. 330# All of this complexity is to make sure that liblog only appears 331# once, and appears just before libcutils or libutils on the link 332# line. 333# TODO: remove this hack and change all modules to use liblog 334# when necessary. 335define insert-liblog 336 $(if $(filter liblog,$(1)),$(1), \ 337 $(if $(filter libcutils,$(1)), \ 338 $(patsubst libcutils,liblog libcutils,$(1)) \ 339 , \ 340 $(patsubst libutils,liblog libutils,$(1)) \ 341 ) \ 342 ) 343endef 344ifneq (,$(filter libcutils libutils,$(LOCAL_SHARED_LIBRARIES))) 345 LOCAL_SHARED_LIBRARIES := $(call insert-liblog,$(LOCAL_SHARED_LIBRARIES)) 346endif 347ifneq (,$(filter libcutils libutils,$(LOCAL_STATIC_LIBRARIES))) 348 LOCAL_STATIC_LIBRARIES := $(call insert-liblog,$(LOCAL_STATIC_LIBRARIES)) 349endif 350ifneq (,$(filter libcutils libutils,$(LOCAL_WHOLE_STATIC_LIBRARIES))) 351 LOCAL_WHOLE_STATIC_LIBRARIES := $(call insert-liblog,$(LOCAL_WHOLE_STATIC_LIBRARIES)) 352endif 353 354########################################################### 355# The list of libraries that this module will link against are in 356# these variables. Each is a list of bare module names like "libc libm". 357# 358# LOCAL_SHARED_LIBRARIES 359# LOCAL_STATIC_LIBRARIES 360# LOCAL_WHOLE_STATIC_LIBRARIES 361# 362# We need to convert the bare names into the dependencies that 363# we'll use for LOCAL_BUILT_MODULE and LOCAL_INSTALLED_MODULE. 364# LOCAL_BUILT_MODULE should depend on the BUILT versions of the 365# libraries, so that simply building this module doesn't force 366# an install of a library. Similarly, LOCAL_INSTALLED_MODULE 367# should depend on the INSTALLED versions of the libraries so 368# that they get installed when this module does. 369########################################################### 370# NOTE: 371# WHOLE_STATIC_LIBRARIES are libraries that are pulled into the 372# module without leaving anything out, which is useful for turning 373# a collection of .a files into a .so file. Linking against a 374# normal STATIC_LIBRARY will only pull in code/symbols that are 375# referenced by the module. (see gcc/ld's --whole-archive option) 376########################################################### 377 378# Get the list of BUILT libraries, which are under 379# various intermediates directories. 380so_suffix := $($(my_prefix)SHLIB_SUFFIX) 381a_suffix := $($(my_prefix)STATIC_LIB_SUFFIX) 382 383built_shared_libraries := \ 384 $(addprefix $($(my_prefix)OUT_INTERMEDIATE_LIBRARIES)/, \ 385 $(addsuffix $(so_suffix), \ 386 $(LOCAL_SHARED_LIBRARIES))) 387 388built_static_libraries := \ 389 $(foreach lib,$(LOCAL_STATIC_LIBRARIES), \ 390 $(call intermediates-dir-for, \ 391 STATIC_LIBRARIES,$(lib),$(LOCAL_IS_HOST_MODULE))/$(lib)$(a_suffix)) 392 393built_whole_libraries := \ 394 $(foreach lib,$(LOCAL_WHOLE_STATIC_LIBRARIES), \ 395 $(call intermediates-dir-for, \ 396 STATIC_LIBRARIES,$(lib),$(LOCAL_IS_HOST_MODULE))/$(lib)$(a_suffix)) 397 398# Get the list of INSTALLED libraries. Strip off the various 399# intermediates directories and point to the common lib dirs. 400installed_shared_libraries := \ 401 $(addprefix $($(my_prefix)OUT_SHARED_LIBRARIES)/, \ 402 $(notdir $(built_shared_libraries))) 403 404# We don't care about installed static libraries, since the 405# libraries have already been linked into the module at that point. 406# We do, however, care about the NOTICE files for any static 407# libraries that we use. (see notice_files.make) 408 409installed_static_library_notice_file_targets := \ 410 $(foreach lib,$(LOCAL_STATIC_LIBRARIES) $(LOCAL_WHOLE_STATIC_LIBRARIES), \ 411 NOTICE-$(if $(LOCAL_IS_HOST_MODULE),HOST,TARGET)-STATIC_LIBRARIES-$(lib)) 412 413########################################################### 414# Rule-specific variable definitions 415########################################################### 416$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_YACCFLAGS := $(LOCAL_YACCFLAGS) 417$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_ASFLAGS := $(LOCAL_ASFLAGS) 418$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CFLAGS := $(LOCAL_CFLAGS) 419$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_CPPFLAGS := $(LOCAL_CPPFLAGS) 420$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_DEBUG_CFLAGS := $(debug_cflags) 421$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_C_INCLUDES := $(LOCAL_C_INCLUDES) 422$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_LDFLAGS := $(LOCAL_LDFLAGS) 423$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_LDLIBS := $(LOCAL_LDLIBS) 424 425# this is really the way to get the files onto the command line instead 426# of using $^, because then LOCAL_ADDITIONAL_DEPENDENCIES doesn't work 427$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_ALL_SHARED_LIBRARIES := $(built_shared_libraries) 428$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_ALL_STATIC_LIBRARIES := $(built_static_libraries) 429$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_ALL_WHOLE_STATIC_LIBRARIES := $(built_whole_libraries) 430$(LOCAL_INTERMEDIATE_TARGETS): PRIVATE_ALL_OBJECTS := $(all_objects) 431 432########################################################### 433# Define library dependencies. 434########################################################### 435# all_libraries is used for the dependencies on LOCAL_BUILT_MODULE. 436all_libraries := \ 437 $(built_shared_libraries) \ 438 $(built_static_libraries) \ 439 $(built_whole_libraries) 440 441# Make LOCAL_INSTALLED_MODULE depend on the installed versions of the 442# libraries so they get installed along with it. We don't need to 443# rebuild it when installing it, though, so this can be an order-only 444# dependency. 445$(LOCAL_INSTALLED_MODULE): | $(installed_shared_libraries) 446 447# Also depend on the notice files for any static libraries that 448# are linked into this module. This will force them to be installed 449# when this module is. 450$(LOCAL_INSTALLED_MODULE): | $(installed_static_library_notice_file_targets) 451