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 ifndef LOCAL_MODULE_STEM 30 LOCAL_MODULE_STEM := $(LOCAL_MODULE) 31 endif 32 33 ifndef LOCAL_BUILT_MODULE_STEM 34 LOCAL_BUILT_MODULE_STEM := $(LOCAL_MODULE_STEM)$(LOCAL_MODULE_SUFFIX) 35 endif 36 37 ifndef LOCAL_INSTALLED_MODULE_STEM 38 LOCAL_INSTALLED_MODULE_STEM := $(LOCAL_MODULE_STEM)$(LOCAL_MODULE_SUFFIX) 39 endif 40 41 # base_rules.make defines $(intermediates), but we need its value 42 # before we include base_rules. Make a guess, and verify that 43 # it's correct once the real value is defined. 44 guessed_intermediates := $(call local-intermediates-dir) 45 46 # Define the target that is the unmodified output of the linker. 47 # The basename of this target must be the same as the final output 48 # binary name, because it's used to set the "soname" in the binary. 49 # The includer of this file will define a rule to build this target. 50 linked_module := $(guessed_intermediates)/LINKED/$(LOCAL_BUILT_MODULE_STEM) 51 52 ALL_ORIGINAL_DYNAMIC_BINARIES += $(linked_module) 53 54 # Because TARGET_SYMBOL_FILTER_FILE depends on ALL_ORIGINAL_DYNAMIC_BINARIES, 55 # the linked_module rules won't necessarily inherit the PRIVATE_ 56 # variables from LOCAL_BUILT_MODULE. This tells binary.make to explicitly 57 # define the PRIVATE_ variables for linked_module as well as for 58 # LOCAL_BUILT_MODULE. 59 LOCAL_INTERMEDIATE_TARGETS := $(linked_module) 60 61 ################################### 62 include $(BUILD_SYSTEM)/binary.mk 63 ################################### 64 65 # Make sure that our guess at the value of intermediates was correct. 66 ifneq ($(intermediates),$(guessed_intermediates)) 67 $(error Internal error: guessed path '$(guessed_intermediates)' doesn't match '$(intermediates)) 68 endif 69 70 ########################################################### 71 ## Compress 72 ########################################################### 73 compress_input := $(linked_module) 74 75 ifeq ($(strip $(LOCAL_COMPRESS_MODULE_SYMBOLS)),) 76 LOCAL_COMPRESS_MODULE_SYMBOLS := $(strip $(TARGET_COMPRESS_MODULE_SYMBOLS)) 77 endif 78 79 ifeq ($(LOCAL_COMPRESS_MODULE_SYMBOLS),true) 80 $(error Symbol compression not yet supported.) 81 compress_output := $(intermediates)/COMPRESSED-$(LOCAL_BUILT_MODULE_STEM) 82 83 #TODO: write the real $(STRIPPER) rule. 84 #TODO: define a rule to build TARGET_SYMBOL_FILTER_FILE, and 85 # make it depend on ALL_ORIGINAL_DYNAMIC_BINARIES. 86 $(compress_output): $(compress_input) $(TARGET_SYMBOL_FILTER_FILE) | $(ACP) 87 @echo "target Compress Symbols: $(PRIVATE_MODULE) ($@)" 88 $(copy-file-to-target) 89 else 90 # Skip this step. 91 compress_output := $(compress_input) 92 endif 93 94 ########################################################### 95 ## Store a copy with symbols for symbolic debugging 96 ########################################################### 97 symbolic_input := $(compress_output) 98 symbolic_output := $(LOCAL_UNSTRIPPED_PATH)/$(LOCAL_INSTALLED_MODULE_STEM) 99 $(symbolic_output) : $(symbolic_input) | $(ACP) 100 @echo "target Symbolic: $(PRIVATE_MODULE) ($@)" 101 $(copy-file-to-target) 102 103 104 ########################################################### 105 ## Strip 106 ########################################################### 107 strip_input := $(symbolic_output) 108 strip_output := $(LOCAL_BUILT_MODULE) 109 110 ifeq ($(strip $(LOCAL_STRIP_MODULE)),) 111 LOCAL_STRIP_MODULE := $(strip $(TARGET_STRIP_MODULE)) 112 endif 113 114 ifeq ($(LOCAL_STRIP_MODULE),true) 115 # Strip the binary 116 $(strip_output): $(strip_input) | $(TARGET_STRIP) 117 $(transform-to-stripped) 118 else 119 # Don't strip the binary, just copy it. We can't skip this step 120 # because a copy of the binary must appear at LOCAL_BUILT_MODULE. 121 # 122 # If the binary we're copying is acp or a prerequisite, 123 # use cp(1) instead. 124 ifneq ($(LOCAL_ACP_UNAVAILABLE),true) 125 $(strip_output): $(strip_input) | $(ACP) 126 @echo "target Unstripped: $(PRIVATE_MODULE) ($@)" 127 $(copy-file-to-target) 128 else 129 $(strip_output): $(strip_input) 130 @echo "target Unstripped: $(PRIVATE_MODULE) ($@)" 131 $(copy-file-to-target-with-cp) 132 endif 133 endif # LOCAL_STRIP_MODULE 134 135 136 $(cleantarget): PRIVATE_CLEAN_FILES += \ 137 $(linked_module) \ 138 $(symbolic_output) \ 139 $(compress_output) 140
