Merge "Auto-generate PLATFORM_VERSION_ALL_CODENAMES."

# than overriding it somewhere else).  Can be an arbitrary string.

PLATFORM_VERSION.OPR1 := O

# This is the current development code-name, if the build is not a final

# release build.  If this is a final release build, it is simply "REL".

# These are the current development codenames.

PLATFORM_VERSION_CODENAME.OPR1 := O

PLATFORM_VERSION_CODENAME.PPR1 := P

ifndef PLATFORM_VERSION

  PLATFORM_VERSION := $(PLATFORM_VERSION.$(TARGET_PLATFORM_VERSION))

  # This is all of the development codenames that are active.  Should be either

  # the same as PLATFORM_VERSION_CODENAME or a comma-separated list of additional

  # codenames after PLATFORM_VERSION_CODENAME.

  PLATFORM_VERSION_ALL_CODENAMES := $(PLATFORM_VERSION_CODENAME)

  PLATFORM_VERSION_ALL_CODENAMES :=

  # Build a list of all possible code names. Avoid duplicates, and stop when we

  # reach a codename that matches PLATFORM_VERSION_CODENAME (anything beyond

  # that is not included in our build.

  _versions_in_target := \

    $(call find_and_earlier,$(ALL_VERSIONS),$(TARGET_PLATFORM_VERSION))

  $(foreach version,$(_versions_in_target),\

    $(eval _codename := $(PLATFORM_VERSION_CODENAME.$(version)))\

    $(if $(filter $(_codename),$(PLATFORM_VERSION_ALL_CODENAMES)),,\

      $(eval PLATFORM_VERSION_ALL_CODENAMES += $(_codename))))

  # And convert from space separated to comma separated.

  PLATFORM_VERSION_ALL_CODENAMES := \

    $(subst $(space),$(comma),$(strip $(PLATFORM_VERSION_ALL_CODENAMES)))

endif

ifeq (REL,$(PLATFORM_VERSION_CODENAME))