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364 lines
9.9 KiB
364 lines
9.9 KiB
#!/bin/bash
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# $Id$
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PATH="${PATH}:/sbin:/usr/sbin"
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GK_V='3.4.10.907'
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# Set the default for TMPDIR. May be modified by genkernel.conf or the
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# --tempdir command line option.
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TMPDIR='/var/tmp/genkernel'
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TODEBUGCACHE=1 # Until an error occurs or LOGFILE is fully qualified.
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small_die() {
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echo $1
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exit 1
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}
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parse_opt() {
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case "$1" in
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*\=*)
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echo "$1" | cut -f2- -d=
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;;
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esac
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}
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# We don't know where our config is, so we check for it, and default to using
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# /etc/genkernel.conf if nobody has specified one.
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case "$*" in
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--config=*)
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CMD_GK_CONFIG=`parse_opt "$*"`
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;;
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esac
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# Pull in our configuration
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source ${CMD_GK_CONFIG:-/etc/genkernel.conf} || small_die "Could not read /etc/genkernel.conf"
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# Start sourcing other scripts
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source ${GK_SHARE}/gen_funcs.sh || small_die "Could not read ${GK_SHARE}/gen_funcs.sh"
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source ${GK_SHARE}/gen_cmdline.sh || gen_die "Could not read ${GK_SHARE}/gen_cmdline.sh"
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source ${GK_SHARE}/gen_arch.sh || gen_die "Could not read ${GK_SHARE}/gen_arch.sh"
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source ${GK_SHARE}/gen_determineargs.sh || gen_die "Could not read ${GK_SHARE}/gen_determineargs.sh"
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source ${GK_SHARE}/gen_compile.sh || gen_die "Could not read ${GK_SHARE}/gen_compile.sh"
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source ${GK_SHARE}/gen_configkernel.sh || gen_die "Could not read ${GK_SHARE}/gen_configkernel.sh"
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source ${GK_SHARE}/gen_initramfs.sh || gen_die "Could not read ${GK_SHARE}/gen_initramfs.sh"
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source ${GK_SHARE}/gen_moddeps.sh || gen_die "Could not read ${GK_SHARE}/gen_moddeps.sh"
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source ${GK_SHARE}/gen_package.sh || gen_die "Could not read ${GK_SHARE}/gen_package.sh"
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source ${GK_SHARE}/gen_bootloader.sh || gen_die "Could not read ${GK_SHARE}/gen_bootloader.sh"
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TEMP=${TMPDIR}/$RANDOM.$RANDOM.$RANDOM.$$
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trap_cleanup(){
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# Call exit code of 1 for failure
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cleanup
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exit 1
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}
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cleanup(){
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if [ -n "$TEMP" -a -d "$TEMP" ]; then
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rm -rf "$TEMP"
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fi
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if isTrue ${POSTCLEAR}
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then
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echo
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print_info 1 'RUNNING FINAL CACHE/TMP CLEANUP'
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print_info 1 "CACHE_DIR: ${CACHE_DIR}"
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CLEAR_CACHE_DIR='yes'
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setup_cache_dir
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echo
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print_info 1 "TMPDIR: ${TMPDIR}"
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clear_tmpdir
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fi
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}
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trap trap_cleanup SIGHUP SIGQUIT SIGINT SIGTERM SIGKILL
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BUILD_KERNEL=0
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BUILD_RAMDISK=0
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BUILD_MODULES=0
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# Parse all command line options...
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Options=$* # Save for later
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while [ $# -gt 0 ]
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do
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Option=$1; shift
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parse_cmdline $Option
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done
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# Check if no action is specified...
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if [ "${BUILD_KERNEL}" -eq '0' -a "${BUILD_RAMDISK}" -eq '0' ]
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then
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usage
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exit 1
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fi
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clear_log
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NORMAL=${GOOD} print_info 1 "Gentoo Linux Genkernel; Version ${GK_V}${NORMAL}"
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print_info 1 "Running with options: ${Options}"
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echo
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# Set ${ARCH}
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get_official_arch
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# Read arch-specific config
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source ${ARCH_CONFIG} || gen_die "Could not read ${ARCH_CONFIG}"
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source ${GK_SHARE}/arch/${ARCH}/modules_load || gen_die "Could not read ${GK_SHARE}/arch/${ARCH}/modules_load"
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# Merge modules_load from config
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for group_modules in ${!AMODULES_*}; do
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group="$(echo $group_modules | cut -d_ -f2)"
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eval cmodules="\$$group_modules"
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eval MODULES_${group}=\"\${MODULES_${group}} ${cmodules}\"
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print_info 1 "<config> Merged AMODULES_${group}:'${cmodules}' into MODULES_${group}"
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done
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# Based on genkernel.conf, arch-specific configs, and commandline options,
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# get the real arguments for usage...
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determine_real_args
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set_kernel_arch
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[ ! -f "${TEMP}" ] && mkdir -p "${TEMP}"
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setup_cache_dir
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check_distfiles
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dump_debugcache
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NORMAL=${BOLD} print_info 1 "Linux Kernel ${BOLD}${KV}${NORMAL} for ${BOLD}${ARCH}${NORMAL}..."
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# Check BOOTDIR is mounted
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if isTrue ${CMD_NOINSTALL}
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then
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isTrue ${MOUNTBOOT} && print_info 2 'Skipping automatic mount of boot'
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else
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[[ -d ${BOOTDIR} ]] || gen_die "${BOOTDIR} is not a directory"
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if ! egrep -q "[[:space:]]${BOOTDIR}[[:space:]]" /proc/mounts
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then
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if egrep -q "^[^#].+[[:space:]]${BOOTDIR}[[:space:]]" /etc/fstab
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then
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if isTrue ${MOUNTBOOT}
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then
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if ! mount ${BOOTDIR}
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then
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print_warning 1 "${BOLD}WARNING${NORMAL}: Failed to mount ${BOOTDIR}!"
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echo
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else
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print_info 1 "mount: ${BOOTDIR} mounted successfully!"
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fi
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else
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print_warning 1 "${BOLD}WARNING${NORMAL}: No mounted ${BOOTDIR} partition detected!"
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print_warning 1 " Run ``mount ${BOOTDIR}`` to mount it!"
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echo
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fi
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fi
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elif isBootRO
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then
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if isTrue ${MOUNTBOOT}
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then
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if ! mount -o remount,rw ${BOOTDIR}
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then
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print_warning 1 "${BOLD}WARNING${NORMAL}: Failed to remount ${BOOTDIR} RW!"
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echo
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else
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print_info 1 "mount: ${BOOTDIR} remounted read/write successfully!"
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BOOTRW=1
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fi
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fi
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fi
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fi
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## Check whether another Genkernel is running
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#GENPIDS="`ps -C genkernel --no-headers -o pid | wc -l`"
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#if [ "${GENPIDS}" -gt '3' ]
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#then
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# [ "${GENPIDS}" -gt '4' ] && EX='s'
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# print_warning 1 "${BOLD}WARNING${NORMAL}: Another Genkernel instance is running under"
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# print_warning 1 " process ID${EX} " 0
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# GENPIDS=`ps -C genkernel --no-headers -o pid`
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# echo -n "${GENPIDS}" | sed -e "s/$$//; s/ /, /g"
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# echo 'halting...'
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# echo
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# print_warning 1 'Running multiple genkernels on the same source tree will cause data loss!'
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# print_info 1 "Press ^C to halt; ^D to continue [ ${BOLD}if${NORMAL} you know what you're doing! ]"
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# echo
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# CTEMP="${TEMP}"
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# TEMP=${TMPDIR-/tmp}
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# TEMP=${TEMP}/genkernel.$RANDOM.$RANDOM.$RANDOM.$$
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# print_info 1 'thread: Running multiple genkernels may cause problems!'
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# print_info 1 "thread: Temporary files reallocated to ${TEMP}..."
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# echo
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#fi
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KERNCACHE_IS_VALID=0
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if [ "${KERNCACHE}" != "" ]
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then
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gen_kerncache_is_valid
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fi
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if [ ${BUILD_KERNEL} -eq '1' -a "${KERNCACHE_IS_VALID}" == "0" ]
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then
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# Configure kernel
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config_kernel
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# Make prepare
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if [ "${ARCH_HAVENOPREPARE}" = '' ]
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then
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compile_generic prepare kernel
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fi
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# KV may have changed due to the configuration
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get_KV
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compile_kernel
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# Compile modules
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if [ ${BUILD_MODULES} -eq '1' -a ${BUILD_STATIC} -eq '0' ]
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then
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compile_modules
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fi
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if [ ${SAVE_CONFIG} -eq '1' ]
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then
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print_info 1 "Copying config for successful build to /etc/kernels/kernel-config-${ARCH}-${KV}"
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[ ! -e '/etc/kernels' ] && mkdir -p /etc/kernels
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cp "${KERNEL_DIR}/.config" "/etc/kernels/kernel-config-${ARCH}-${KV}"
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fi
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fi
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if ! isTrue "${CMD_NOINSTALL}"
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then
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if [ "${KERNCACHE}" != "" -a "${KERNCACHE_IS_VALID}" != "0" ]
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then
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gen_kerncache_extract_kernel
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fi
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fi
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if [ "${KERNCACHE}" != "" -a "${KERNCACHE_IS_VALID}" != "0" ]
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then
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[ ${BUILD_STATIC} -eq '0' ] && gen_kerncache_extract_modules
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gen_kerncache_extract_config
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fi
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# Run callback
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if [ "${CMD_CALLBACK}" != "" ]
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then
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print_info 1 "" 1 0
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print_info 1 "Preparing to run callback: \"${CMD_CALLBACK}\"" 0
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CALLBACK_ESCAPE=0
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CALLBACK_COUNT=0
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trap "CALLBACK_ESCAPE=1" TERM KILL INT QUIT ABRT
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while [[ ${CALLBACK_ESCAPE} -eq '0' && ${CALLBACK_COUNT} -lt 5 ]]
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do
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sleep 1; echo -n '.';
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let CALLBACK_COUNT=${CALLBACK_COUNT}+1
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done
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if [ "${CALLBACK_ESCAPE}" -eq '0' ]
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then
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echo
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echo
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eval ${CMD_CALLBACK} | tee -a ${LOGFILE}
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CMD_STATUS="${PIPESTATUS[0]}"
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echo
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print_info 1 "<<< Callback exit status: ${CMD_STATUS}"
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[ "${CMD_STATUS}" -ne 0 ] && gen_die '--callback failed!'
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else
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echo
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print_info 1 ">>> Callback cancelled..."
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fi
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trap - TERM KILL INT QUIT ABRT
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print_info 1 "" 1 0
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fi
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if [ "${BUILD_RAMDISK}" -eq '1' ]
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then
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[ "${DISKLABEL}" -eq '1' ] && compile_e2fsprogs
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if [ "${BUSYBOX}" -eq '1' ]
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then
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# Compile Busybox
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compile_busybox
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fi
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if isTrue "${UNIONFS}"
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then
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compile_unionfs_fuse
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fi
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# Compile initramfs
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create_initramfs
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else
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print_info 1 'initrd: Not building since only the kernel was requested...'
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fi
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if isTrue "${INTEGRATED_INITRAMFS}" #|| [ ${BUILD_KERNEL} -eq '1' -a "${KERNCACHE_IS_VALID}" == "0" ]
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then
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# We build the kernel a second time to include the initramfs
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compile_kernel
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fi
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[ "${KERNCACHE}" != "" ] && gen_kerncache
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[ "${MINKERNPACKAGE}" != '' ] && gen_minkernpackage
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[ "${MODULESPACKAGE}" != '' ] && gen_modulespackage
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# Clean up...
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[ -n "${CTEMP}" ] && rm -rf "${TEMP}"
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if [ "${BUILD_KERNEL}" -eq '1' ]
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then
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set_bootloader
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print_info 1 ''
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print_info 1 "Kernel compiled successfully!"
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print_info 1 ''
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print_info 1 'Required Kernel Parameters:'
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if [ "${BUILD_RAMDISK}" -eq '0' ]
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then
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print_info 1 ' root=/dev/$ROOT'
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print_info 1 ' [ And "vga=0x317 splash=verbose" if you use a framebuffer ]'
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print_info 1 ''
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print_info 1 ' Where $ROOT is the device node for your root partition as the'
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print_info 1 ' one specified in /etc/fstab'
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else
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print_info 1 ' real_root=/dev/$ROOT'
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print_info 1 ''
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print_info 1 ' Where $ROOT is the device node for your root partition as the'
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print_info 1 ' one specified in /etc/fstab'
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print_info 1 ''
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print_info 1 "If you require Genkernel's hardware detection features; you MUST"
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print_info 1 'tell your bootloader to use the provided INITRAMFS file. Otherwise;'
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print_info 1 'substitute the root argument for the real_root argument if you are'
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print_info 1 'not planning to use the initramfs...'
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fi
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fi
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if [ "${BUILD_RAMDISK}" -eq '1' ]
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then
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echo
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print_info 1 'WARNING... WARNING... WARNING...'
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print_info 1 'Additional kernel cmdline arguments that *may* be required to boot properly...'
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[ "${SPLASH}" -eq '1' ] && print_info 1 "add \"vga=791 splash=silent,theme:${SPLASH_THEME} console=tty1 quiet\" if you use a splash framebuffer ]"
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[ "${LVM}" -eq '1' ] && print_info 1 'add "dolvm" for lvm support'
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[ "${EVMS}" -eq '1' ] && print_info 1 'add "doevms" for evms support'
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[ "${DMRAID}" -eq '1' ] && print_info 1 'add "dodmraid" for dmraid support'
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[ "${DMRAID}" -eq '1' ] && print_info 1 ' or "dodmraid=<additional options>"'
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[ "${ISCSI}" -eq '1' ] && print_info 1 'add at least "iscsi_initiatorname=<initiator name> iscsi_target=<target name> and iscsi_address=<target ip>" for iscsi support'
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fi
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[ "${BOOTRW}" != '' ] && mount -o remount,ro ${BOOTDIR}
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echo
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print_info 1 'Do NOT report kernel bugs as genkernel bugs unless your bug'
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print_info 1 'is about the default genkernel configuration...'
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print_info 1 ''
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print_info 1 'Make sure you have the latest genkernel before reporting bugs.'
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#Final Cleanup
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cleanup
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