1 ########################################################### 2 ## Standard rules for building any target-side binaries 3 ## with dynamic linkage (dynamic libraries or executables 4 ## that link with dynamic libraries) 5 ## 6 ## Files including this file must define a rule to build 7 ## the target $(linked_module). 8 ########################################################### 9 10 # This constraint means that we can hard-code any $(TARGET_*) variables. 11 ifdef LOCAL_IS_HOST_MODULE 12 $(error This file should not be used to build host binaries. Included by (or near) $(lastword $(filter-out config/%,$(MAKEFILE_LIST)))) 13 endif 14 15 LOCAL_UNSTRIPPED_PATH := $(strip $(LOCAL_UNSTRIPPED_PATH)) 16 ifeq ($(LOCAL_UNSTRIPPED_PATH),) 17 ifeq ($(LOCAL_MODULE_PATH),) 18 LOCAL_UNSTRIPPED_PATH := $(TARGET_OUT_$(LOCAL_MODULE_CLASS)_UNSTRIPPED) 19 else 20 # We have to figure out the corresponding unstripped path if LOCAL_MODULE_PATH is customized. 21 LOCAL_UNSTRIPPED_PATH := $(TARGET_OUT_UNSTRIPPED)/$(patsubst $(PRODUCT_OUT)/%,%,$(LOCAL_MODULE_PATH)) 22 endif 23 endif 24 25 # The name of the target file, without any path prepended. 26 # TODO: This duplicates logic from base_rules.mk because we need to 27 # know its results before base_rules.mk is included. 28 # Consolidate the duplicates. 29 LOCAL_MODULE_STEM := $(strip $(LOCAL_MODULE_STEM)) 30 ifeq ($(LOCAL_MODULE_STEM),) 31 LOCAL_MODULE_STEM := $(LOCAL_MODULE) 32 endif 33 LOCAL_INSTALLED_MODULE_STEM := $(LOCAL_MODULE_STEM)$(LOCAL_MODULE_SUFFIX) 34 LOCAL_BUILT_MODULE_STEM := $(LOCAL_INSTALLED_MODULE_STEM) 35 36 # base_rules.make defines $(intermediates), but we need its value 37 # before we include base_rules. Make a guess, and verify that 38 # it's correct once the real value is defined. 39 guessed_intermediates := $(call local-intermediates-dir) 40 41 # Define the target that is the unmodified output of the linker. 42 # The basename of this target must be the same as the final output 43 # binary name, because it's used to set the "soname" in the binary. 44 # The includer of this file will define a rule to build this target. 45 linked_module := $(guessed_intermediates)/LINKED/$(LOCAL_BUILT_MODULE_STEM) 46 47 ALL_ORIGINAL_DYNAMIC_BINARIES += $(linked_module) 48 49 # Because TARGET_SYMBOL_FILTER_FILE depends on ALL_ORIGINAL_DYNAMIC_BINARIES, 50 # the linked_module rules won't necessarily inherit the PRIVATE_ 51 # variables from LOCAL_BUILT_MODULE. This tells binary.make to explicitly 52 # define the PRIVATE_ variables for linked_module as well as for 53 # LOCAL_BUILT_MODULE. 54 LOCAL_INTERMEDIATE_TARGETS := $(linked_module) 55 56 ################################### 57 include $(BUILD_SYSTEM)/binary.mk 58 ################################### 59 60 # Make sure that our guess at the value of intermediates was correct. 61 ifneq ($(intermediates),$(guessed_intermediates)) 62 $(error Internal error: guessed path '$(guessed_intermediates)' doesn't match '$(intermediates)) 63 endif 64 65 ########################################################### 66 ## Compress 67 ########################################################### 68 compress_input := $(linked_module) 69 70 ifeq ($(strip $(LOCAL_COMPRESS_MODULE_SYMBOLS)),) 71 LOCAL_COMPRESS_MODULE_SYMBOLS := $(strip $(TARGET_COMPRESS_MODULE_SYMBOLS)) 72 endif 73 74 ifeq ($(LOCAL_COMPRESS_MODULE_SYMBOLS),true) 75 $(error Symbol compression not yet supported.) 76 compress_output := $(intermediates)/COMPRESSED-$(LOCAL_BUILT_MODULE_STEM) 77 78 #TODO: write the real $(STRIPPER) rule. 79 #TODO: define a rule to build TARGET_SYMBOL_FILTER_FILE, and 80 # make it depend on ALL_ORIGINAL_DYNAMIC_BINARIES. 81 $(compress_output): $(compress_input) $(TARGET_SYMBOL_FILTER_FILE) | $(ACP) 82 @echo "target Compress Symbols: $(PRIVATE_MODULE) ($@)" 83 $(copy-file-to-target) 84 else 85 # Skip this step. 86 compress_output := $(compress_input) 87 endif 88 89 ########################################################### 90 ## Store a copy with symbols for symbolic debugging 91 ########################################################### 92 symbolic_input := $(compress_output) 93 symbolic_output := $(LOCAL_UNSTRIPPED_PATH)/$(LOCAL_BUILT_MODULE_STEM) 94 $(symbolic_output) : $(symbolic_input) | $(ACP) 95 @echo "target Symbolic: $(PRIVATE_MODULE) ($@)" 96 $(copy-file-to-target) 97 98 99 ########################################################### 100 ## Strip 101 ########################################################### 102 strip_input := $(symbolic_output) 103 strip_output := $(LOCAL_BUILT_MODULE) 104 105 ifeq ($(strip $(LOCAL_STRIP_MODULE)),) 106 LOCAL_STRIP_MODULE := $(strip $(TARGET_STRIP_MODULE)) 107 endif 108 109 ifeq ($(LOCAL_STRIP_MODULE),true) 110 # Strip the binary 111 $(strip_output): $(strip_input) | $(TARGET_STRIP) 112 $(transform-to-stripped) 113 else 114 # Don't strip the binary, just copy it. We can't skip this step 115 # because a copy of the binary must appear at LOCAL_BUILT_MODULE. 116 # 117 # If the binary we're copying is acp or a prerequisite, 118 # use cp(1) instead. 119 ifneq ($(LOCAL_ACP_UNAVAILABLE),true) 120 $(strip_output): $(strip_input) | $(ACP) 121 @echo "target Unstripped: $(PRIVATE_MODULE) ($@)" 122 $(copy-file-to-target) 123 else 124 $(strip_output): $(strip_input) 125 @echo "target Unstripped: $(PRIVATE_MODULE) ($@)" 126 $(copy-file-to-target-with-cp) 127 endif 128 endif # LOCAL_STRIP_MODULE 129 130 131 $(cleantarget): PRIVATE_CLEAN_FILES += \ 132 $(linked_module) \ 133 $(symbolic_output) \ 134 $(compress_output) 135