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kbuild: initramfs fix dependency checking for compressed target

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When using initramfs compression, the data file compression suffix
gets quotes pulled in from Kconfig, e.g., initramfs_data.cpio".gz"
which make does not match a target and causes rebuild.

Fix this by filtering out quotes from the Kconfig string.

Fixes: 35e669e1a2 ("initramfs: select builtin initram compression algorithm on KConfig instead of Makefile")
Reviewed-by: Francisco Blas Izquierdo Riera (klondike) <klondike@klondike.es>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Nicholas Piggin 2017-01-05 20:29:35 +10:00 committed by Linus Torvalds
parent e02003b515
commit ae30ab4cd7
1 changed files with 1 additions and 1 deletions
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2
usr/Makefile
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@ -5,7 +5,7 @@
klibcdirs:;
PHONY += klibcdirs
suffix_y = $(CONFIG_INITRAMFS_COMPRESSION)
suffix_y = $(subst $\",,$(CONFIG_INITRAMFS_COMPRESSION))
AFLAGS_initramfs_data.o += -DINITRAMFS_IMAGE="usr/initramfs_data.cpio$(suffix_y)"
# Generate builtin.o based on initramfs_data.o