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# -*-makefile-*-
#
# Copyright (C) 2012 by Michael Olbrich <m.olbrich@pengutronix.de>
#
# For further information about the PTXdist project and license conditions
# see the README file.
#
#
# We provide this package
#
IMAGE_PACKAGES-$(PTXCONF_IMAGE_ROOT_EXT) += image-root-ext
#
# Paths and names
#
IMAGE_ROOT_EXT := image-root-ext
IMAGE_ROOT_EXT_DIR := $(BUILDDIR)/$(IMAGE_ROOT_EXT)
IMAGE_ROOT_EXT_IMAGE := $(IMAGEDIR)/root.ext2
IMAGE_ROOT_EXT_FILES := $(IMAGEDIR)/root.tgz
IMAGE_ROOT_EXT_CONFIG := ext.config
IMAGE_ROOT_EXT_SIZE := $(call remove_quotes,$(PTXCONF_IMAGE_ROOT_EXT_SIZE))
# ----------------------------------------------------------------------------
# Image
# ----------------------------------------------------------------------------
IMAGE_ROOT_EXT_ENV = EXT_TYPE=$(PTXCONF_IMAGE_ROOT_EXT_TYPE)
ifeq ($(filter %%,$(IMAGE_ROOT_EXT_SIZE)),)
IMAGE_ROOT_EXT_ENV += SIZE=$(PTXCONF_IMAGE_ROOT_EXT_SIZE)
else
IMAGE_ROOT_EXT_BASE := $$(tar -xOf $(IMAGE_ROOT_EXT_FILES) 2>/dev/null | wc -c)
# 80 seems to be a good number to take fs overhead into account
IMAGE_ROOT_EXT_SCALE := $(subst %,,$(IMAGE_ROOT_EXT_SIZE))/80/1024/1024
IMAGE_ROOT_EXT_ENV += \
SIZE="$(shell echo $$(($(IMAGE_ROOT_EXT_BASE)*$(IMAGE_ROOT_EXT_SCALE)+1))M)"
endif
ifdef PTXCONF_IMAGE_ROOT_EXT
$(IMAGE_ROOT_EXT_IMAGE):
@$(call targetinfo)
@$(call image/genimage, IMAGE_ROOT_EXT)
@$(call finish)
endif
# vim: syntax=make
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