am 72405497: Convert to relative path for CleanSpec.mk

# NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST

# ************************************************

# Get the path of the top of the tree.

# for example:

# /home/bob/master/framework/base => /home/bob/master

# See function gettop in build/envsetup.sh.

define get-top-dir

$(if $(1),$(if $(wildcard $(1)/build/core/envsetup.mk),$(1),$(strip \

  $(call get-top-dir,$(patsubst %/,%,$(dir $(1)))))))

endef

ifneq ($(ONE_SHOT_MAKEFILE),)

cs_subdirs := $(dir $(ONE_SHOT_MAKEFILE))

cs_subdirs := $(patsubst %/,%,$(dir $(ONE_SHOT_MAKEFILE)))

abs_cs_subdirs := $(filter /%,$(cs_subdirs))

ifneq ($(abs_cs_subdirs),)

# Convert absolute path to relative path, e.g. when using mm.

abs_top_path := $(call get-top-dir,$(word 1,$(abs_cs_subdirs)))

cs_subdirs := $(filter-out /%,$(cs_subdirs)) \

  $(patsubst $(abs_top_path)/%,%,$(abs_cs_subdirs))

abs_top_path :=

abs_cs_subdirs :=

endif

else

cs_subdirs := .

endif