NetCube-Systems-Austria/kumquat-buildroot
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fs/common.mk: support lz4 compression

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Similar to the other compressors.  Notice that we use the -l (legacy format)
for Linux kernel initrd compatibility.

Lz4 decompression is supported by the Linux kernel since 3.11.

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Peter Korsgaard 2017-10-13 21:16:52 +02:00 committed by Thomas Petazzoni
parent 390780d562
commit 51fa8d8e28
1 changed files with 5 additions and 0 deletions
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5
fs/common.mk
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@ -56,6 +56,11 @@ ROOTFS_$(2)_DEPENDENCIES += host-lzma
ROOTFS_$(2)_COMPRESS_EXT = .lzma
ROOTFS_$(2)_COMPRESS_CMD = $$(LZMA) -9 -c
endif
ifeq ($$(BR2_TARGET_ROOTFS_$(2)_LZ4),y)
ROOTFS_$(2)_DEPENDENCIES += host-lz4
ROOTFS_$(2)_COMPRESS_EXT = .lz4
ROOTFS_$(2)_COMPRESS_CMD = lz4 -l -9 -c
endif
ifeq ($$(BR2_TARGET_ROOTFS_$(2)_LZO),y)
ROOTFS_$(2)_DEPENDENCIES += host-lzop
ROOTFS_$(2)_COMPRESS_EXT = .lzo