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#!/bin/bash
# $Id$
longusage() {
echo "Gentoo Linux Genkernel ${GK_V}"
echo "Usage: "
echo " genkernel [options] action"
echo
echo "Available Actions: "
echo " all Build all steps"
echo " bzImage Build only the kernel"
echo " kernel Build only the kernel and modules"
echo " ramdisk Build only the ramdisk/initramfs"
echo
echo "Available Options: "
echo " Configuration settings"
echo " --config=<file> genkernel configuration file to use"
echo " Debug settings"
echo " --loglevel=<0-5> Debug Verbosity Level"
echo " --logfile=<outfile> Output file for debug info"
echo " --color Output debug in color"
echo " --no-color Do not output debug in color"
echo " Kernel Configuration settings"
echo " --menuconfig Run menuconfig after oldconfig"
echo " --no-menuconfig Do not run menuconfig after oldconfig"
echo " --gconfig Run gconfig after oldconfig"
echo " --xconfig Run xconfig after oldconfig"
echo " --save-config Save the configuration to /etc/kernels"
echo " --no-save-config Don't save the configuration to /etc/kernels"
echo " Kernel Compile settings"
echo " --clean Run make clean before compilation"
echo " --mrproper Run make mrproper before compilation"
echo " --no-clean Do not run make clean before compilation"
echo " --no-mrproper Do not run make mrproper before compilation"
echo " --oldconfig Implies --no-clean and runs a 'make oldconfig'"
echo " --gensplash Install framebuffer splash support into initramfs"
echo " --splash Install framebuffer splash support into initramfs"
echo " --no-splash Do not install framebuffer splash"
echo " --install Install the kernel after building"
echo " --no-install Do not install the kernel after building"
echo " --symlink Manage symlinks in /boot for installed images"
echo " --no-symlink Do not manage symlinks"
echo " --no-ramdisk-modules Don't copy any modules to the ramdisk"
echo " --all-ramdisk-modules Copy all kernel modules to the ramdisk"
echo " --callback=<...> Run the specified arguments after the"
echo " kernel and modules have been compiled"
echo " --static Build a static (monolithic kernel)."
echo " Kernel settings"
echo " --kerneldir=<dir> Location of the kernel sources"
echo " --kernel-config=<file> Kernel configuration file to use for compilation"
echo " --module-prefix=<dir> Prefix to kernel module destination, modules"
echo " will be installed in <prefix>/lib/modules"
echo " Low-Level Compile settings"
echo " --kernel-cc=<compiler> Compiler to use for kernel (e.g. distcc)"
echo " --kernel-as=<assembler> Assembler to use for kernel"
echo " --kernel-ld=<linker> Linker to use for kernel"
echo " --kernel-cross-compile=<cross var> CROSS_COMPILE kernel variable"
echo " --kernel-make=<makeprg> GNU Make to use for kernel"
echo " --utils-cc=<compiler> Compiler to use for utilities"
echo " --utils-as=<assembler> Assembler to use for utils"
echo " --utils-ld=<linker> Linker to use for utils"
echo " --utils-make=<makeprog> GNU Make to use for utils"
echo " --utils-cross-compile=<cross var> CROSS_COMPILE utils variable"
echo " --utils-arch=<arch> Force to arch for utils only instead of"
echo " autodetect."
echo " --makeopts=<makeopts> Make options such as -j2, etc..."
echo " --mountboot Mount BOOTDIR automatically if mountable"
echo " --no-mountboot Don't mount BOOTDIR automatically"
echo " --bootdir=<dir> Set the location of the boot-directory, default is /boot"
echo " Initialization"
echo " --gensplash=<theme> Enable framebuffer splash using <theme>"
echo " --gensplash-res=<res> Select splash theme resolutions to install"
echo " --splash=<theme> Enable framebuffer splash using <theme>"
echo " --splash-res=<res> Select splash theme resolutions to install"
echo " --do-keymap-auto Forces keymap selection at boot"
echo " --no-keymap Disables keymap selection support"
echo " --evms Include EVMS support"
echo " --> 'emerge evms' in the host operating system"
echo " first"
echo " --evms2 Include EVMS support"
echo " --> 'emerge evms' in the host operating system"
echo " first"
echo " --lvm Include LVM support"
echo " --lvm2 Include LVM support"
echo " --mdadm Copy /etc/mdadm.conf to initramfs"
echo " --dmraid Include DMRAID support"
echo " --multipath Include Multipath support"
echo " --iscsi Include iSCSI support"
echo " --slowusb Enables extra pauses for slow USB CD boots"
echo " --bootloader=grub Add new kernel to GRUB configuration"
echo " --linuxrc=<file> Specifies a user created linuxrc"
echo " --busybox-config=<file> Specifies a user created busybox config"
echo " --disklabel Include disk label and uuid support in your"
echo " ramdisk"
echo " --luks Include LUKS support"
echo " --> 'emerge cryptsetup-luks' with USE=-dynamic"
echo " --no-busybox Do not include busybox in the initramfs."
echo " --unionfs Include support for unionfs"
echo " --netboot Create a self-contained env in the initramfs"
echo " --real-root=<foo> Specify a default for real_root="
echo " Internals"
echo " --arch-override=<arch> Force to arch instead of autodetect"
echo " --cachedir=<dir> Override the default cache location"
echo " --tempdir=<dir> Location of Genkernel's temporary directory"
echo " --postclear Clear all tmp files and caches after genkernel has run"
echo " Output Settings"
echo " --kernname=<...> Tag the kernel and ramdisk with a name:"
echo " If not defined the option defaults to"
echo " 'genkernel'"
echo " --minkernpackage=<tbz2> File to output a .tar.bz2'd kernel and ramdisk:"
echo " No modules outside of the ramdisk will be"
echo " included..."
echo " --modulespackage=<tbz2> File to output a .tar.bz2'd modules after the"
echo " callbacks have run"
echo " --kerncache=<tbz2> File to output a .tar.bz2'd kernel contents"
echo " of /lib/modules/ and the kernel config"
echo " NOTE: This is created before the callbacks"
echo " are run!"
echo " --no-kernel-sources This option is only valid if kerncache is"
echo " defined. If there is a valid kerncache no checks"
echo " will be made against a kernel source tree"
echo " --initramfs-overlay=<dir>"
echo " Directory structure to include in the initramfs,"
echo " only available on 2.6 kernels"
echo " --firmware"
echo " Enable copying of firmware into initramfs"
echo " --firmware-dir=<dir>"
echo " Specify directory to copy firmware from (defaults"
echo " to /lib/firmware)"
echo " --firmware-files=<files>"
echo " Specifies specific firmware files to copy. This"
echo " overrides --firmware-dir. For multiple files,"
echo " separate the filenames with a comma"
echo " --integrated-initramfs"
echo " Build the generated initramfs into the kernel instead of"
echo " keeping it as a separate file"
}
usage() {
echo "Gentoo Linux Genkernel ${GK_V}"
echo "Usage: "
echo " genkernel [options] all"
echo
echo 'Some useful options:'
echo ' --menuconfig Run menuconfig after oldconfig'
echo ' --no-clean Do not run make clean before compilation'
echo ' --no-mrproper Do not run make mrproper before compilation,'
echo ' this is implied by --no-clean.'
echo
echo 'For a detailed list of supported options and flags; issue:'
echo ' genkernel --help'
}
parse_cmdline() {
case "$*" in
--kernel-cc=*)
CMD_KERNEL_CC=`parse_opt "$*"`
print_info 2 "CMD_KERNEL_CC: ${CMD_KERNEL_CC}"
;;
--kernel-ld=*)
CMD_KERNEL_LD=`parse_opt "$*"`
print_info 2 "CMD_KERNEL_LD: ${CMD_KERNEL_LD}"
;;
--kernel-as=*)
CMD_KERNEL_AS=`parse_opt "$*"`
print_info 2 "CMD_KERNEL_AS: ${CMD_KERNEL_AS}"
;;
--kernel-make=*)
CMD_KERNEL_MAKE=`parse_opt "$*"`
print_info 2 "CMD_KERNEL_MAKE: ${CMD_KERNEL_MAKE}"
;;
--kernel-cross-compile=*)
CMD_KERNEL_CROSS_COMPILE=`parse_opt "$*"`
CMD_KERNEL_CROSS_COMPILE=$(echo ${CMD_KERNEL_CROSS_COMPILE}|sed -e 's/.*[^-]$/&-/g')
print_info 2 "CMD_KERNEL_CROSS_COMPILE: ${CMD_KERNEL_CROSS_COMPILE}"
;;
--utils-cc=*)
CMD_UTILS_CC=`parse_opt "$*"`
print_info 2 "CMD_UTILS_CC: ${CMD_UTILS_CC}"
;;
--utils-ld=*)
CMD_UTILS_LD=`parse_opt "$*"`
print_info 2 "CMD_UTILS_LD: ${CMD_UTILS_LD}"
;;
--utils-as=*)
CMD_UTILS_AS=`parse_opt "$*"`
print_info 2 "CMD_UTILS_AS: ${CMD_UTILS_AS}"
;;
--utils-make=*)
CMD_UTILS_MAKE=`parse_opt "$*"`
print_info 2 "CMD_UTILS_MAKE: ${CMD_UTILS_MAKE}"
;;
--utils-cross-compile=*)
CMD_UTILS_CROSS_COMPILE=`parse_opt "$*"`
CMD_UTILS_CROSS_COMPILE=$(echo ${CMD_UTILS_CROSS_COMPILE}|sed -e 's/.*[^-]$/&-/g')
print_info 2 "CMD_UTILS_CROSS_COMPILE: ${CMD_UTILS_CROSS_COMPILE}"
;;
--utils-arch=*)
CMD_UTILS_ARCH=`parse_opt "$*"`
print_info 2 "CMD_UTILS_ARCH: ${CMD_ARCHOVERRIDE}"
;;
--makeopts=*)
CMD_MAKEOPTS=`parse_opt "$*"`
print_info 2 "CMD_MAKEOPTS: ${CMD_MAKEOPTS}"
;;
--mountboot)
CMD_MOUNTBOOT=1
print_info 2 "CMD_MOUNTBOOT: ${CMD_MOUNTBOOT}"
;;
--no-mountboot)
CMD_MOUNTBOOT=0
print_info 2 "CMD_MOUNTBOOT: ${CMD_MOUNTBOOT}"
;;
--bootdir=*)
CMD_BOOTDIR=`parse_opt "$*"`
print_info 2 "CMD_BOOTDIR: ${CMD_BOOTDIR}"
;;
--do-keymap-auto)
CMD_DOKEYMAPAUTO=1
CMD_KEYMAP=1
print_info 2 "CMD_DOKEYMAPAUTO: ${CMD_DOKEYMAPAUTO}"
;;
--no-keymap)
CMD_KEYMAP=0
print_info 2 "CMD_KEYMAP: ${CMD_KEYMAP}"
;;
--evms)
CMD_EVMS=1
print_info 2 "CMD_EVMS: ${CMD_EVMS}"
;;
--evms2)
CMD_EVMS=1
print_info 2 "CMD_EVMS: ${CMD_EVMS}"
echo
print_warning 1 "Please use --evms, as --evms2 is deprecated."
;;
--lvm)
CMD_LVM=1
print_info 2 "CMD_LVM: ${CMD_LVM}"
;;
--lvm2)
CMD_LVM=1
print_info 2 "CMD_LVM: ${CMD_LVM}"
echo
print_warning 1 "Please use --lvm, as --lvm2 is deprecated."
;;
--mdadm)
CMD_MDADM=1
print_info 2 "CMD_MDADM: $CMD_MDADM"
;;
--no-busybox)
CMD_BUSYBOX=0
print_info 2 "CMD_BUSYBOX: ${CMD_BUSYBOX}"
;;
--unionfs)
CMD_UNIONFS=1
print_info 2 "CMD_UNIONFS: ${CMD_UNIONFS}"
;;
--netboot)
CMD_NETBOOT=1
print_info 2 "CMD_NETBOOT: ${CMD_NETBOOT}"
;;
--real-root=*)
CMD_REAL_ROOT=`parse_opt "$*"`
print_info 2 "CMD_REAL_ROOT: ${CMD_REAL_ROOT}"
;;
--slowusb)
CMD_SLOWUSB=1
print_info 2 "CMD_SLOWUSB: ${CMD_SLOWUSB}"
;;
--dmraid)
if [ ! -e /usr/include/libdevmapper.h ]
then
echo 'Error: --dmraid requires device-mapper to be installed'
echo ' on the host system; try "emerge device-mapper".'
exit 1
fi
CMD_DMRAID=1
print_info 2 "CMD_DMRAID: ${CMD_DMRAID}"
;;
--multipath)
if [ ! -e /usr/include/libdevmapper.h ]
then
echo 'Error: --multipath requires device-mapper to be installed'
echo ' on the host;system; try "emerge device-mapper".'
exit 1
fi
CMD_MULTIPATH=1
print_info 2 "CMD_MULTIPATH: ${CMD_MULTIPATH}"
;;
--bootloader=*)
CMD_BOOTLOADER=`parse_opt "$*"`
print_info 2 "CMD_BOOTLOADER: ${CMD_BOOTLOADER}"
;;
--iscsi)
CMD_ISCSI=1
print_info 2 "CMD_ISCSI: ${CMD_ISCSI}"
;;
--loglevel=*)
CMD_LOGLEVEL=`parse_opt "$*"`
LOGLEVEL="${CMD_LOGLEVEL}"
print_info 2 "CMD_LOGLEVEL: ${CMD_LOGLEVEL}"
;;
--menuconfig)
TERM_LINES=`stty -a | head -n 1 | cut -d\ -f5 | cut -d\; -f1`
TERM_COLUMNS=`stty -a | head -n 1 | cut -d\ -f7 | cut -d\; -f1`
if [[ TERM_LINES -lt 19 || TERM_COLUMNS -lt 80 ]]
then
echo "Error: You need a terminal with at least 80 columns"
echo " and 19 lines for --menuconfig; try --nomenuconfig..."
exit 1
fi
CMD_MENUCONFIG=1
print_info 2 "CMD_MENUCONFIG: ${CMD_MENUCONFIG}"
;;
--no-menuconfig)
CMD_MENUCONFIG=0
print_info 2 "CMD_MENUCONFIG: ${CMD_MENUCONFIG}"
;;
--gconfig)
CMD_GCONFIG=1
print_info 2 "CMD_GCONFIG: ${CMD_GCONFIG}"
;;
--xconfig)
CMD_XCONFIG=1
print_info 2 "CMD_XCONFIG: ${CMD_XCONFIG}"
;;
--save-config)
CMD_SAVE_CONFIG=1
print_info 2 "CMD_SAVE_CONFIG: ${CMD_SAVE_CONFIG}"
;;
--no-save-config)
CMD_SAVE_CONFIG=0
print_info 2 "CMD_SAVE_CONFIG: ${CMD_SAVE_CONFIG}"
;;
--mrproper)
CMD_MRPROPER=1
print_info 2 "CMD_MRPROPER: ${CMD_MRPROPER}"
;;
--no-mrproper)
CMD_MRPROPER=0
print_info 2 "CMD_MRPROPER: ${CMD_MRPROPER}"
;;
--clean)
CMD_CLEAN=1
print_info 2 "CMD_CLEAN: ${CMD_CLEAN}"
;;
--no-clean)
CMD_CLEAN=0
print_info 2 "CMD_CLEAN: ${CMD_CLEAN}"
;;
--oldconfig)
CMD_CLEAN=0
CMD_OLDCONFIG=1
print_info 2 "CMD_CLEAN: ${CMD_CLEAN}"
print_info 2 "CMD_OLDCONFIG: ${CMD_OLDCONFIG}"
;;
--gensplash=*)
CMD_SPLASH=1
SPLASH_THEME=`parse_opt "$*"`
print_info 2 "CMD_SPLASH: ${CMD_SPLASH}"
print_info 2 "SPLASH_THEME: ${SPLASH_THEME}"
echo
print_warning 1 "Please use --splash, as --gensplash is deprecated."
;;
--gensplash)
CMD_SPLASH=1
SPLASH_THEME='default'
print_info 2 "CMD_SPLASH: ${CMD_SPLASH}"
echo
print_warning 1 "Please use --splash, as --gensplash is deprecated."
;;
--splash=*)
CMD_SPLASH=1
SPLASH_THEME=`parse_opt "$*"`
print_info 2 "CMD_SPLASH: ${CMD_SPLASH}"
print_info 2 "SPLASH_THEME: ${SPLASH_THEME}"
;;
--splash)
CMD_SPLASH=1
SPLASH_THEME='default'
print_info 2 "CMD_SPLASH: ${CMD_SPLASH}"
;;
--no-splash)
CMD_SPLASH=0
print_info 2 "CMD_SPLASH: ${CMD_SPLASH}"
;;
--gensplash-res=*)
SPLASH_RES=`parse_opt "$*"`
print_info 2 "SPLASH_RES: ${SPLASH_RES}"
echo
print_warning 1 "Please use --splash-res, as --gensplash-res is deprecated."
;;
--splash-res=*)
SPLASH_RES=`parse_opt "$*"`
print_info 2 "SPLASH_RES: ${SPLASH_RES}"
;;
--install)
CMD_NOINSTALL=0
print_info 2 "CMD_NOINSTALL: ${CMD_NOINSTALL}"
;;
--no-install)
CMD_NOINSTALL=1
print_info 2 "CMD_NOINSTALL: ${CMD_NOINSTALL}"
;;
--no-ramdisk-modules)
CMD_NORAMDISKMODULES=1
print_info 2 "CMD_NORAMDISKMODULES: ${CMD_NORAMDISKMODULES}"
;;
--all-ramdisk-modules)
CMD_ALLRAMDISKMODULES=1
print_info 2 "CMD_ALLRAMDISKMODULES: ${CMD_ALLRAMDISKMODULES}"
;;
--callback=*)
CMD_CALLBACK=`parse_opt "$*"`
print_info 2 "CMD_CALLBACK: ${CMD_CALLBACK}/$*"
;;
--static)
CMD_STATIC=1
print_info 2 "CMD_STATIC: ${CMD_STATIC}"
;;
--tempdir=*)
TMPDIR=`parse_opt "$*"`
TEMP=${TMPDIR}/$RANDOM.$RANDOM.$RANDOM.$$
print_info 2 "TMPDIR: ${TMPDIR}"
print_info 2 "TEMP: ${TEMP}"
;;
--postclear)
CMD_POSTCLEAR=1
print_info 2 "CMD_POSTCLEAR: ${CMD_POSTCLEAR}"
;;
--arch-override=*)
CMD_ARCHOVERRIDE=`parse_opt "$*"`
print_info 2 "CMD_ARCHOVERRIDE: ${CMD_ARCHOVERRIDE}"
;;
--color)
USECOLOR=1
print_info 2 "USECOLOR: ${USECOLOR}"
setColorVars
;;
--no-color)
USECOLOR=0
print_info 2 "USECOLOR: ${USECOLOR}"
setColorVars
;;
--logfile=*)
CMD_LOGFILE=`parse_opt "$*"`
LOGFILE=`parse_opt "$*"`
print_info 2 "CMD_LOGFILE: ${CMD_LOGFILE}"
print_info 2 "LOGFILE: ${CMD_LOGFILE}"
;;
--kerneldir=*)
CMD_KERNEL_DIR=`parse_opt "$*"`
print_info 2 "CMD_KERNEL_DIR: ${CMD_KERNEL_DIR}"
;;
--kernel-config=*)
CMD_KERNEL_CONFIG=`parse_opt "$*"`
print_info 2 "CMD_KERNEL_CONFIG: ${CMD_KERNEL_CONFIG}"
;;
--module-prefix=*)
CMD_INSTALL_MOD_PATH=`parse_opt "$*"`
print_info 2 "CMD_INSTALL_MOD_PATH: ${CMD_INSTALL_MOD_PATH}"
;;
--cachedir=*)
CACHE_DIR=`parse_opt "$*"`
print_info 2 "CACHE_DIR: ${CACHE_DIR}"
;;
--minkernpackage=*)
CMD_MINKERNPACKAGE=`parse_opt "$*"`
print_info 2 "MINKERNPACKAGE: ${CMD_MINKERNPACKAGE}"
;;
--modulespackage=*)
CMD_MODULESPACKAGE=`parse_opt "$*"`
print_info 2 "MODULESPACKAGE: ${CMD_MODULESPACKAGE}"
;;
--kerncache=*)
CMD_KERNCACHE=`parse_opt "$*"`
print_info 2 "KERNCACHE: ${CMD_KERNCACHE}"
;;
--kernname=*)
CMD_KERNNAME=`parse_opt "$*"`
print_info 2 "KERNNAME: ${CMD_KERNNAME}"
;;
--symlink)
CMD_SYMLINK=1
print_info 2 "CMD_SYMLINK: ${CMD_SYMLINK}"
;;
--no-symlink)
CMD_SYMLINK=0
print_info 2 "CMD_SYMLINK: ${CMD_SYMLINK}"
;;
--no-kernel-sources)
CMD_NO_KERNEL_SOURCES=1
print_info 2 "CMD_NO_KERNEL_SOURCES: ${CMD_NO_KERNEL_SOURCES}"
;;
--initramfs-overlay=*)
CMD_INITRAMFS_OVERLAY=`parse_opt "$*"`
print_info 2 "CMD_INITRAMFS_OVERLAY: ${CMD_INITRAMFS_OVERLAY}"
;;
--linuxrc=*)
CMD_LINUXRC=`parse_opt "$*"`
print_info 2 "CMD_LINUXRC: ${CMD_LINUXRC}"
;;
--busybox-config=*)
CMD_BUSYBOX_CONFIG=`parse_opt "$*"`
print_info 2 "CMD_BUSYBOX_CONFIG: ${CMD_BUSYBOX_CONFIG}"
;;
--genzimage)
KERNEL_MAKE_DIRECTIVE_2='zImage.initrd'
KERNEL_BINARY_2='arch/powerpc/boot/zImage.initrd'
CMD_GENZIMAGE="yes"
# ENABLE_PEGASOS_HACKS="yes"
# print_info 2 "ENABLE_PEGASOS_HACKS: ${ENABLE_PEGASOS_HACKS}"
;;
--disklabel)
CMD_DISKLABEL=1
print_info 2 "CMD_DISKLABEL: ${CMD_DISKLABEL}"
;;
--luks)
CMD_LUKS=1
print_info 2 "CMD_LUKS: ${CMD_LUKS}"
;;
--firmware)
CMD_FIRMWARE=1
print_info 2 "CMD_FIRMWARE: ${CMD_FIRMWARE}"
;;
--firmware-dir=*)
CMD_FIRMWARE_DIR=`parse_opt "$*"`
CMD_FIRMWARE=1
print_info 2 "CMD_FIRMWARE_DIR: ${CMD_FIRMWARE_DIR}"
;;
--firmware-files=*)
CMD_FIRMWARE_FILES=`parse_opt "$*"`
CMD_FIRMWARE=1
print_info 2 "CMD_FIRMWARE_FILES: ${CMD_FIRMWARE_FILES}"
;;
--integrated-initramfs)
CMD_INTEGRATED_INITRAMFS=1
print_info 2 "CMD_INTEGRATED_INITRAMFS=${CMD_INTEGRATED_INITRAMFS}"
;;
--config=*)
print_info 2 "CMD_GK_CONFIG: `parse_opt "$*"`"
;;
all)
BUILD_KERNEL=1
BUILD_MODULES=1
BUILD_RAMDISK=1
;;
ramdisk|initramfs)
BUILD_RAMDISK=1
;;
kernel)
BUILD_KERNEL=1
BUILD_MODULES=1
BUILD_RAMDISK=0
;;
bzImage)
BUILD_KERNEL=1
BUILD_MODULES=0
BUILD_RAMDISK=1
CMD_NORAMDISKMODULES=1
print_info 2 "CMD_NORAMDISKMODULES: ${CMD_NORAMDISKMODULES}"
;;
--help)
longusage
exit 1
;;
--version)
echo "${GK_V}"
exit 0
;;
*)
echo "Error: Unknown option '$*'!"
exit 1
;;
esac
}
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