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################################################################################
# Those two variables can be used by packages that need to extract the overlay.
#
# ARCH_XTENSA_CORE_NAME   is the name of the Xtensa core; empty if none or the
#                         standard 'fsf' core.
# ARCH_XTENSA_OVERLAY_TAR is the path to the overlay tarball; only valid when
#                         ARCH_XTENSA_CORE_NAME is not empty.
#
# Example:
#   ifneq ($(ARCH_XTENSA_CORE_NAME),)
#       tar xf $(ARCH_XTENSA_OVERLAY_TAR) -C $(@D) --strip-components=1 gcc
#   endif
################################################################################
ARCH_XTENSA_CORE_NAME = $(call qstrip,$(BR2_XTENSA_CORE_NAME))
ARCH_XTENSA_OVERLAY_TAR = $(call qstrip,$(BR2_XTENSA_OVERLAY_DIR))/xtensa_$(ARCH_XTENSA_CORE_NAME).tar

################################################################################
# arch-xtensa-overlay-extract -- extract an extensa overlay
#
# argument 1 is the path in which to extract
# argument 2 is the component to extract, one of: gcc, binutils, gdb
#
# Example:
#   $(call arch-xtensa-overlay-extract,/path/to/overlay.tar,$(@D),gcc)
################################################################################
define arch-xtensa-overlay-extract
	tar xf $(ARCH_XTENSA_OVERLAY_TAR) -C $(1) --strip-components=1 $(2)
endef