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image.mk: add Build step pad-to

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pad-to can be used in a pipe to pad the image to a specific chunk-size.
Signed-off-by: Alexander Couzens <lynxis@fe80.eu>

SVN-Revision: 45980
This commit is contained in:
Felix Fietkau 2015-06-15 07:45:36 +00:00
parent a417bf9f43
commit 61a0b05dbf
1 changed files with 5 additions and 0 deletions
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5
include/image.mk
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@ -304,6 +304,11 @@ define Build/append-rootfs
dd if=$(word 2,$^) $(if $(1),bs=$(1) conv=sync) >> $@
endef
define Build/pad-to
dd if=$@ of=$@.new bs=$(1) conv=sync
mv $@.new $@
endef
define Build/pad-rootfs
$(call prepare_generic_squashfs,$@ $(1))
endef