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41 results

Android.mk

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  • Android.mk 42.65 KiB
    LOCAL_PATH:= $(call my-dir)
    
    # PLATFORM_SEPOLICY_VERSION is a number of the form "NN.m" with "NN" mapping to
    # PLATFORM_SDK_VERSION and "m" as a minor number which allows for SELinux
    # changes independent of PLATFORM_SDK_VERSION.  This value will be set to
    # 10000.0 to represent tip-of-tree development that is inherently unstable and
    # thus designed not to work with any shipping vendor policy.  This is similar in
    # spirit to how DEFAULT_APP_TARGET_SDK is set.
    # The minor version ('m' component) must be updated every time a platform release
    # is made which breaks compatibility with the previous platform sepolicy version,
    # not just on every increase in PLATFORM_SDK_VERSION.  The minor version should
    # be reset to 0 on every bump of the PLATFORM_SDK_VERSION.
    sepolicy_major_vers := 25
    sepolicy_minor_vers := 0
    
    ifneq ($(sepolicy_major_vers), $(PLATFORM_SDK_VERSION))
    $(error sepolicy_major_version does not match PLATFORM_SDK_VERSION, please update.)
    endif
    ifneq (REL,$(PLATFORM_VERSION_CODENAME))
        sepolicy_major_vers := 10000
        sepolicy_minor_vers := 0
    endif
    PLATFORM_SEPOLICY_VERSION := $(join $(addsuffix .,$(sepolicy_major_vers)), $(sepolicy_minor_vers))
    sepolicy_major_vers :=
    sepolicy_minor_vers :=
    
    include $(CLEAR_VARS)
    # SELinux policy version.
    # Must be <= /sys/fs/selinux/policyvers reported by the Android kernel.
    # Must be within the compatibility range reported by checkpolicy -V.
    POLICYVERS ?= 30
    
    MLS_SENS=1
    MLS_CATS=1024
    
    ifdef BOARD_SEPOLICY_REPLACE
    $(error BOARD_SEPOLICY_REPLACE is no longer supported; please remove from your BoardConfig.mk or other .mk file.)
    endif
    
    ifdef BOARD_SEPOLICY_IGNORE
    $(error BOARD_SEPOLICY_IGNORE is no longer supported; please remove from your BoardConfig.mk or other .mk file.)
    endif
    
    ifdef BOARD_SEPOLICY_UNION
    $(warning BOARD_SEPOLICY_UNION is no longer required - all files found in BOARD_SEPOLICY_DIRS are implicitly unioned; please remove from your BoardConfig.mk or other .mk file.)
    endif
    
    ifdef BOARD_SEPOLICY_M4DEFS
    LOCAL_ADDITIONAL_M4DEFS := $(addprefix -D, $(BOARD_SEPOLICY_M4DEFS))
    endif
    
    # sepolicy is now divided into multiple portions:
    # public - policy exported on which non-platform policy developers may write
    #   additional policy.  types and attributes are versioned and included in
    #   delivered non-platform policy, which is to be combined with platform policy.
    # private - platform-only policy required for platform functionality but which
    #  is not exported to vendor policy developers and as such may not be assumed
    #  to exist.
    # vendor - vendor-only policy required for vendor functionality. This policy can
    #  reference the public policy but cannot reference the private policy. This
    #  policy is for components which are produced from the core/non-vendor tree and
    #  placed into a vendor partition.
    # mapping - This contains policy statements which map the attributes
    #  exposed in the public policy of previous versions to the concrete types used
    #  in this policy to ensure that policy targeting attributes from public
    #  policy from an older platform version continues to work.
    
    # build process for device:
    # 1) convert policies to CIL:
    #    - private + public platform policy to CIL