diff options
author | Johan Sagaert <sagaert.johan@proximus.be> | 2015-07-12 13:43:32 +0200 |
---|---|---|
committer | Thomas Petazzoni <thomas.petazzoni@free-electrons.com> | 2015-12-13 16:22:40 +0100 |
commit | 3ea133c9710b7d479c7828a59a99f3d10f74be35 (patch) | |
tree | fd48ad3d0a26c7582487ce60b60bf3d50e8c9a71 /linux | |
parent | 27d6deb449fdb3b7662059a83212787ae568c76e (diff) |
linux: Add kernel compression selection.
This selection will ensure that the correct host tools
will be build used for the kernel compression method used.
[Maxime: Select the compression opts in the kernel config too ]
Signed-off-by: Sagaert Johan <sagaert.johan@proximus.be>
Signed-off-by: Maxime Hadjinlian <maxime.hadjinlian@gmail.com>
Reviewed-by: "Yann E. MORIN" <yann.morin.1998 at free.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Diffstat (limited to 'linux')
-rw-r--r-- | linux/Config.in | 28 | ||||
-rw-r--r-- | linux/linux.mk | 22 |
2 files changed, 49 insertions, 1 deletions
diff --git a/linux/Config.in b/linux/Config.in index 432cba45d..57b3490e8 100644 --- a/linux/Config.in +++ b/linux/Config.in @@ -262,6 +262,34 @@ config BR2_LINUX_KERNEL_IMAGE_TARGET_CUSTOM endchoice +# +# Kernel compression format +# + +choice + prompt "Kernel compression format" + help + This selection will just ensure that the correct host tools are build. + The actual compression for the kernel should be selected in the + kernel configuration menu. + +config BR2_LINUX_KERNEL_GZIP + bool "gzip compression" + +config BR2_LINUX_KERNEL_LZ4 + bool "lz4 compression" + +config BR2_LINUX_KERNEL_LZMA + bool "lzma compression" + +config BR2_LINUX_KERNEL_LZO + bool "lzo compression" + +config BR2_LINUX_KERNEL_XZ + bool "xz compression" + +endchoice + config BR2_LINUX_KERNEL_IMAGE_TARGET_NAME string "Kernel image target name" depends on BR2_LINUX_KERNEL_IMAGE_TARGET_CUSTOM diff --git a/linux/linux.mk b/linux/linux.mk index 9507837c4..dd2cc4961 100644 --- a/linux/linux.mk +++ b/linux/linux.mk @@ -56,7 +56,23 @@ LINUX_PATCHES = $(call qstrip,$(BR2_LINUX_KERNEL_PATCH)) LINUX_PATCH = $(filter ftp://% http://% https://%,$(LINUX_PATCHES)) LINUX_INSTALL_IMAGES = YES -LINUX_DEPENDENCIES += host-kmod host-lzop +LINUX_DEPENDENCIES += host-kmod + +# host tools needed for kernel compression +ifeq ($(BR2_LINUX_KERNEL_LZ4),y) +LINUX_DEPENDENCIES += host-lz4 +else ifeq ($(BR2_LINUX_KERNEL_LZMA),y) +LINUX_DEPENDENCIES += host-lzma +else ifeq ($(BR2_LINUX_KERNEL_LZO),y) +LINUX_DEPENDENCIES += host-lzop +else ifeq ($(BR2_LINUX_KERNEL_XZ),y) +LINUX_DEPENDENCIES += host-xz +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_$(BR2_LINUX_KERNEL_XZ) = CONFIG_KERNEL_XZ ifeq ($(BR2_LINUX_KERNEL_UBOOT_IMAGE),y) LINUX_DEPENDENCIES += host-uboot-tools @@ -181,6 +197,10 @@ LINUX_KCONFIG_OPTS = $(LINUX_MAKE_FLAGS) define LINUX_KCONFIG_FIXUP_CMDS $(if $(LINUX_NEEDS_MODULES), $(call KCONFIG_ENABLE_OPT,CONFIG_MODULES,$(@D)/.config)) + $(call KCONFIG_ENABLE_OPT,$(LINUX_COMPRESSION_OPT_y),$(@D)/.config) + $(foreach opt, $(LINUX_COMPRESSION_OPT_), + $(call KCONFIG_DISABLE_OPT,$(opt),$(@D)/.config) + ) $(if $(BR2_arm)$(BR2_armeb), $(call KCONFIG_ENABLE_OPT,CONFIG_AEABI,$(@D)/.config)) $(if $(BR2_TARGET_ROOTFS_CPIO), |