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linux: add support for ZSTD compression 

Add support for creating self-extractible kernels compressed with ZSTD.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
This commit is contained in:
Paul Cercueil 2020-09-01 15:48:49 +02:00 committed by Thomas Petazzoni
parent f4c89374ea
commit 88a268354d
2 changed files with 6 additions and 0 deletions
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3
linux/Config.in
View File

@ -321,6 +321,9 @@ config BR2_LINUX_KERNEL_LZO
config BR2_LINUX_KERNEL_XZ
bool "xz compression"
config BR2_LINUX_KERNEL_ZSTD
bool "zstd compression"
endchoice
config BR2_LINUX_KERNEL_IMAGE_TARGET_NAME

3
linux/linux.mk
View File

@ -98,12 +98,15 @@ else ifeq ($(BR2_LINUX_KERNEL_LZO),y)
LINUX_DEPENDENCIES += host-lzop
else ifeq ($(BR2_LINUX_KERNEL_XZ),y)
LINUX_DEPENDENCIES += host-xz
else ifeq ($(BR2_LINUX_KERNEL_ZSTD),y)
LINUX_DEPENDENCIES += host-zstd
endif
LINUX_COMPRESSION_OPT_$(BR2_LINUX_KERNEL_GZIP) += CONFIG_KERNEL_GZIP
LINUX_COMPRESSION_OPT_$(BR2_LINUX_KERNEL_LZ4) += CONFIG_KERNEL_LZ4
LINUX_COMPRESSION_OPT_$(BR2_LINUX_KERNEL_LZMA) += CONFIG_KERNEL_LZMA
LINUX_COMPRESSION_OPT_$(BR2_LINUX_KERNEL_LZO) += CONFIG_KERNEL_LZO
LINUX_COMPRESSION_OPT_$(BR2_LINUX_KERNEL_XZ) += CONFIG_KERNEL_XZ
LINUX_COMPRESSION_OPT_$(BR2_LINUX_KERNEL_ZSTD) += CONFIG_KERNEL_ZSTD
ifeq ($(BR2_LINUX_KERNEL_NEEDS_HOST_OPENSSL),y)
LINUX_DEPENDENCIES += host-openssl