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add menuconfig option for selecting initramfs compression

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SVN-Revision: 17283
This commit is contained in:
Gabor Juhos 2009-08-16 05:35:34 +00:00
parent 82a092bece
commit e2f5de7a46
2 changed files with 44 additions and 17 deletions
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25
Config.in
View file

@ -20,6 +20,31 @@ menu "Target Images"
help
Embed the rootfs into the kernel (initramfs)
choice
prompt "ramdisk compression"
depends TARGET_ROOTFS_INITRAMFS
depends !LINUX_2_6_21
depends !LINUX_2_6_25
depends !LINUX_2_6_27
depends !LINUX_2_6_28
default TARGET_INITRAMFS_COMPRESSION_LZMA if TARGET_ar71xx
default TARGET_INITRAMFS_COMPRESSION_NONE
help
Select ramdisk compression.
config TARGET_INITRAMFS_COMPRESSION_NONE
bool "NONE"
config TARGET_INITRAMFS_COMPRESSION_GZIP
bool "GZIP"
config TARGET_INITRAMFS_COMPRESSION_BZIP2
bool "BZIP2"
config TARGET_INITRAMFS_COMPRESSION_LZMA
bool "LZMA"
endchoice
config TARGET_ROOTFS_JFFS2
bool "jffs2"
default y if USES_JFFS2

8
include/kernel-defaults.mk
View file

@ -67,12 +67,14 @@ ifeq ($(KERNEL),2.6)
ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
define Kernel/SetInitramfs
mv $(LINUX_DIR)/.config $(LINUX_DIR)/.config.old
grep -v INITRAMFS $(LINUX_DIR)/.config.old > $(LINUX_DIR)/.config
grep -v -e INITRAMFS -e CONFIG_RD_ $(LINUX_DIR)/.config.old > $(LINUX_DIR)/.config
echo 'CONFIG_INITRAMFS_SOURCE="$(strip $(TARGET_DIR) $(INITRAMFS_EXTRA_FILES))"' >> $(LINUX_DIR)/.config
echo 'CONFIG_INITRAMFS_ROOT_UID=$(shell id -u)' >> $(LINUX_DIR)/.config
echo 'CONFIG_INITRAMFS_ROOT_GID=$(shell id -g)' >> $(LINUX_DIR)/.config
echo 'CONFIG_INITRAMFS_COMPRESSION_NONE=y' >> $(LINUX_DIR)/.config
echo '# CONFIG_INITRAMFS_COMPRESSION_LZMA is not set' >> $(LINUX_DIR)/.config
echo "$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_NONE),CONFIG_INITRAMFS_COMPRESSION_NONE=y,# CONFIG_INITRAMFS_COMPRESSION_NONE is not set)" >> $(LINUX_DIR)/.config
echo -e "$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_GZIP),CONFIG_INITRAMFS_COMPRESSION_GZIP=y\nCONFIG_RD_GZIP=y,# CONFIG_INITRAMFS_COMPRESSION_GZIP is not set\n# CONFIG_RD_GZIP is not set)" >> $(LINUX_DIR)/.config
echo -e "$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_BZIP2),CONFIG_INITRAMFS_COMPRESSION_BZIP2=y\nCONFIG_RD_BZIP2=y,# CONFIG_INITRAMFS_COMPRESSION_BZIP2 is not set\n# CONFIG_RD_BZIP2 is not set)" >> $(LINUX_DIR)/.config
echo -e "$(if $(CONFIG_TARGET_INITRAMFS_COMPRESSION_LZMA),CONFIG_INITRAMFS_COMPRESSION_LZMA=y\nCONFIG_RD_LZMA=y,# CONFIG_INITRAMFS_COMPRESSION_LZMA is not set\n# CONFIG_RD_LZMA is not set)" >> $(LINUX_DIR)/.config
endef
else
define Kernel/SetInitramfs