am 6b966aff: Merge "Fix sanitizer choice for global vs module."

my_sanitize := $(strip $(LOCAL_SANITIZE))

# Don't apply sanitizers to NDK code.

ifdef LOCAL_SDK_VERSION

  my_sanitize := never

endif

# Configure SANITIZE_HOST / SANITIZE_TARGET.

ifeq ($(my_sanitize),)

# SANITIZE_HOST is only in effect if the module is already using clang (host

# modules that haven't set `LOCAL_CLANG := false` and device modules that

# have set `LOCAL_CLANG := true`.

my_global_sanitize :=

ifeq ($(my_clang),true)

  ifdef LOCAL_IS_HOST_MODULE

    my_sanitize := $(strip $(SANITIZE_HOST))

    my_global_sanitize := $(strip $(SANITIZE_HOST))

    # SANITIZE_HOST=true is a deprecated way to say SANITIZE_HOST=address.

    my_global_sanitize := $(subst true,address,$(my_global_sanitize))

  else

    my_sanitize := $(strip $(SANITIZE_TARGET))

    my_global_sanitize := $(strip $(SANITIZE_TARGET))

  endif

endif

  # SANITIZE_HOST=true is a deprecated way to say SANITIZE_HOST=address.

  ifeq ($(my_sanitize),true)

    my_sanitize := address

# The sanitizer specified by the environment wins over the module.

ifneq ($(my_global_sanitize),)

  my_sanitize := $(my_global_sanitize)

endif

  # SANITIZE_HOST is only in effect if the module is already using clang (host

  # modules that haven't set `LOCAL_CLANG := false` and device modules that

  # have set `LOCAL_CLANG := true`.

  ifneq ($(my_clang),true)

# Don't apply sanitizers to NDK code.

ifdef LOCAL_SDK_VERSION

  my_sanitize :=

endif

endif

ifeq ($(my_sanitize),never)

# Never always wins.

ifeq ($(LOCAL_SANITIZE),never)

  my_sanitize :=

endif