kumquat-buildroot/arch/arch.mk.xtensa

BR_ARCH_XTENSA_OVERLAY_FILE = $(call qstrip,$(BR2_XTENSA_OVERLAY_FILE))

ifeq ($(BR_BUILDING)$(BR2_XTENSA_CUSTOM):$(BR_ARCH_XTENSA_OVERLAY_FILE),yy:)
$(error No xtensa overlay file provided. Check your BR2_XTENSA_OVERLAY_FILE setting)
endif

################################################################################
# This variable can be used by packages that need to extract the overlay.
#
# ARCH_XTENSA_OVERLAY_FILE is the path to the overlay tarball; empty if not
#                          using any overlay
#
# Example:
#   ifneq ($(ARCH_XTENSA_OVERLAY_FILE),)
#       tar xf $(ARCH_XTENSA_OVERLAY_FILE) -C $(@D) --strip-components=1 gcc
#   endif
################################################################################
ifneq ($(filter http://% https://% ftp://% scp://%,$(BR_ARCH_XTENSA_OVERLAY_FILE)),)
ARCH_XTENSA_OVERLAY_URL = $(BR_ARCH_XTENSA_OVERLAY_FILE)
ARCH_XTENSA_OVERLAY_FILE = $($(PKG)_DL_DIR)/$(notdir $(BR_ARCH_XTENSA_OVERLAY_FILE))
# Do not check that file, we can't know its hash
BR_NO_CHECK_HASH_FOR += $(notdir $(ARCH_XTENSA_OVERLAY_URL))
else
ARCH_XTENSA_OVERLAY_FILE = $(BR_ARCH_XTENSA_OVERLAY_FILE)
endif

################################################################################
# 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, linux,
#            u-boot
#
# Example:
#   $(call arch-xtensa-overlay-extract,/path/to/overlay.tar,$(@D),gcc)
################################################################################
define arch-xtensa-overlay-extract
	$(call suitable-extractor,$(ARCH_XTENSA_OVERLAY_FILE)) \
		$(ARCH_XTENSA_OVERLAY_FILE) | \
	$(TAR) --strip-components=1 -C $(1) $(TAR_OPTIONS) - $(2)
endef