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      1 # include this makefile to create the LOCAL_MODULE symlink to the primary version binary.
      2 # but this requires the primary version name specified via LOCAL_MODULE_STEM_32 or LOCAL_MODULE_STEM_64,
      3 # and different with the LOCAL_MODULE value
      4 #
      5 # Note: now only limited to the binaries that will be installed under system/bin directory
      6 
      7 # Create link to the one used depending on the target
      8 # configuration. Note that we require the TARGET_IS_64_BIT
      9 # check because 32 bit targets may not define TARGET_PREFER_32_BIT_APPS
     10 # et al. since those variables make no sense in that context.
     11 ifneq ($(LOCAL_IS_HOST_MODULE),true)
     12   my_symlink := $(addprefix $(TARGET_OUT)/bin/, $(LOCAL_MODULE))
     13   ifeq ($(TARGET_IS_64_BIT),true)
     14     ifeq ($(TARGET_SUPPORTS_64_BIT_APPS)|$(TARGET_SUPPORTS_32_BIT_APPS),true|true)
     15       # We support both 32 and 64 bit apps, so we will have to
     16       # base our decision on whether the target prefers one or the
     17       # other.
     18       ifeq ($(TARGET_PREFER_32_BIT_APPS),true)
     19         $(my_symlink): PRIVATE_SRC_BINARY_NAME := $(LOCAL_MODULE_STEM_32)
     20       else
     21         $(my_symlink): PRIVATE_SRC_BINARY_NAME := $(LOCAL_MODULE_STEM_64)
     22       endif
     23     else ifeq ($(TARGET_SUPPORTS_64_BIT_APPS),true)
     24       # We support only 64 bit apps.
     25       $(my_symlink): PRIVATE_SRC_BINARY_NAME := $(LOCAL_MODULE_STEM_64)
     26     else
     27       # We support only 32 bit apps.
     28       $(my_symlink): PRIVATE_SRC_BINARY_NAME := $(LOCAL_MODULE_STEM_32)
     29     endif
     30   else
     31     $(my_symlink): PRIVATE_SRC_BINARY_NAME := $(LOCAL_MODULE_STEM_32)
     32   endif
     33 else
     34   my_symlink := $(addprefix $(HOST_OUT)/bin/, $(LOCAL_MODULE))
     35   ifneq ($(HOST_PREFER_32_BIT),true)
     36 $(my_symlink): PRIVATE_SRC_BINARY_NAME := $(LOCAL_MODULE_STEM_64)
     37   else
     38 $(my_symlink): PRIVATE_SRC_BINARY_NAME := $(LOCAL_MODULE_STEM_32)
     39   endif
     40 endif
     41 
     42 # $(my_symlink) doesn't need to depend on $(PRIVATE_SRC_BINARY_NAME): we can generate symlink to nonexistent file.
     43 # If you add the dependency, make would compare the timestamp of a file against that of its symlink:
     44 # they are always equal, because make follows symlink.
     45 $(my_symlink): $(LOCAL_MODULE_MAKEFILE_DEP)
     46 	@echo "Symlink: $@ -> $(PRIVATE_SRC_BINARY_NAME)"
     47 	@mkdir -p $(dir $@)
     48 	@rm -rf $@
     49 	$(hide) ln -sf $(PRIVATE_SRC_BINARY_NAME) $@
     50 
     51 # We need this so that the installed files could be picked up based on the
     52 # local module name
     53 ALL_MODULES.$(LOCAL_MODULE).INSTALLED += $(my_symlink)
     54 
     55 # Create the symlink when you run mm/mmm or "make <module_name>"
     56 $(LOCAL_MODULE) : $(my_symlink)
     57 
     58 my_symlink :=
     59