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#!/bin/bash
# $Id$
PATH="${PATH}:/sbin:/usr/sbin"
GK_V='3.5.1.1'
# Set the default for TMPDIR. May be modified by genkernel.conf or the
# --tempdir command line option.
TMPDIR='/var/tmp/genkernel'
TODEBUGCACHE=1 # Until an error occurs or LOGFILE is fully qualified.
small_die() {
echo "ERROR: $*" >&2
exit 1
}
# We don't know where our config is, so we check for it, and default to using
# /etc/genkernel.conf if nobody has specified one.
# NOTE: We are look for --config=... in a way that doesn't modify $@ since we access that again, later
for arg in "$@"; do
[[ "${arg}" == --config=* ]] && CMD_GK_CONFIG=${arg#--config=}
done
# Pull in our configuration
_GENKERNEL_CONF=${CMD_GK_CONFIG:-/etc/genkernel.conf}
source "${_GENKERNEL_CONF}" || small_die "Could not read ${_GENKERNEL_CONF}"
# set default LOGLEVEL if uninitialized
LOGLEVEL=${LOGLEVEL:-1}
# Start sourcing other scripts
source ${GK_SHARE}/defaults/software.sh || small_die "Could not read ${GK_SHARE}/defaults/software.sh"
source ${GK_SHARE}/defaults/config.sh || small_die "Could not read ${GK_SHARE}/defaults/config.sh"
source ${GK_SHARE}/gen_funcs.sh || small_die "Could not read ${GK_SHARE}/gen_funcs.sh"
source ${GK_SHARE}/gen_cmdline.sh || gen_die "Could not read ${GK_SHARE}/gen_cmdline.sh"
source ${GK_SHARE}/gen_arch.sh || gen_die "Could not read ${GK_SHARE}/gen_arch.sh"
source ${GK_SHARE}/gen_determineargs.sh || gen_die "Could not read ${GK_SHARE}/gen_determineargs.sh"
source ${GK_SHARE}/gen_compile.sh || gen_die "Could not read ${GK_SHARE}/gen_compile.sh"
source ${GK_SHARE}/gen_configkernel.sh || gen_die "Could not read ${GK_SHARE}/gen_configkernel.sh"
source ${GK_SHARE}/gen_initramfs.sh || gen_die "Could not read ${GK_SHARE}/gen_initramfs.sh"
source ${GK_SHARE}/gen_moddeps.sh || gen_die "Could not read ${GK_SHARE}/gen_moddeps.sh"
source ${GK_SHARE}/gen_package.sh || gen_die "Could not read ${GK_SHARE}/gen_package.sh"
source ${GK_SHARE}/gen_bootloader.sh || gen_die "Could not read ${GK_SHARE}/gen_bootloader.sh"
TEMP=${TMPDIR}/$RANDOM.$RANDOM.$RANDOM.$$
trap_cleanup(){
# Call exit code of 1 for failure
cleanup
exit 1
}
cleanup(){
if isTrue "${CMD_DEBUGCLEANUP}"; then
if [ -n "$TEMP" -a -d "$TEMP" ]; then
rm -rf "$TEMP"
fi
if isTrue ${POSTCLEAR}
then
echo
print_info 1 'RUNNING FINAL CACHE/TMP CLEANUP'
print_info 1 "CACHE_DIR: ${CACHE_DIR}"
CLEAR_CACHE_DIR='yes'
setup_cache_dir
echo
print_info 1 "TMPDIR: ${TMPDIR}"
clear_tmpdir
fi
else
print_info 1 "Not running any cleanup per DEBUGCLEANUP"
print_info 1 "TEMP: ${TEMP}"
print_info 1 "CACHE_DIR: ${CACHE_DIR}"
print_info 1 "TMPDIR: ${TMPDIR}"
fi
}
trap trap_cleanup SIGHUP SIGQUIT SIGINT SIGTERM SIGKILL
BUILD_KERNEL=0
BUILD_RAMDISK=0
BUILD_MODULES=0
# Parse all command line options...
Options=$* # Save for later
while [ $# -gt 0 ]
do
Option=$1; shift
parse_cmdline $Option
done
# Check if no action is specified...
if [ "${BUILD_KERNEL}" = '0' -a "${BUILD_RAMDISK}" = '0' ]
then
usage
exit 1
fi
clear_log
NORMAL=${GOOD} print_info 1 "Gentoo Linux Genkernel; Version ${GK_V}${NORMAL}"
print_info 1 "Running with options: ${Options}"
echo
# Set ${ARCH}
get_official_arch
print_info 1 "Using genkernel.conf from ${_GENKERNEL_CONF}"
# Save any customizations of MODULES_* first.
override_module_vars="$(compgen -A variable |grep '^MODULES_')"
for v in $override_module_vars ; do
print_info 1 "Saving $v to override defaults"
newvar=override_$v
eval "${newvar}='${!v}'"
done
# Read arch-specific config
print_info 1 "Sourcing arch-specific config.sh from ${ARCH_CONFIG} .."
source ${ARCH_CONFIG} || gen_die "Could not read ${ARCH_CONFIG}"
_MODULES_LOAD=${GK_SHARE}/arch/${ARCH}/modules_load
print_info 1 "Sourcing arch-specific modules_load from ${_MODULES_LOAD} .."
source "${_MODULES_LOAD}" || gen_die "Could not read ${_MODULES_LOAD}"
# Now apply customizations of MODULES_*
for v in $override_module_vars; do
newvar=override_$v
print_info 1 "Override $v, default (${!v}), new value (${!newvar})"
eval "${v}='${!newvar}'"
done
# Merge additional modules_load from config
for group_modules in ${!AMODULES_*}; do
group="$(echo $group_modules | cut -d_ -f2)"
eval cmodules="\$$group_modules"
eval MODULES_${group}=\"\${MODULES_${group}} ${cmodules}\"
print_info 1 "<config> Merged AMODULES_${group}:'${cmodules}' into MODULES_${group}"
done
# Based on genkernel.conf, arch-specific configs, and commandline options,
# get the real arguments for usage...
determine_real_args
determine_config_file
set_kernel_arch
[ ! -f "${TEMP}" ] && mkdir -p "${TEMP}"
setup_cache_dir
check_distfiles
dump_debugcache
NORMAL=${BOLD} print_info 1 "Linux Kernel ${BOLD}${KV}${NORMAL} for ${BOLD}${ARCH}${NORMAL}..."
print_info 1 ".. with config file ${KERNEL_CONFIG}"
# Check BOOTDIR is mounted
if ! isTrue ${CMD_INSTALL}
then
isTrue ${MOUNTBOOT} && print_info 2 'Skipping automatic mount of boot'
else
[[ -d ${BOOTDIR} ]] || gen_die "${BOOTDIR} is not a directory"
if ! egrep -q "[[:space:]]${BOOTDIR}[[:space:]]" /proc/mounts
then
if egrep -q "^[^#].+[[:space:]]${BOOTDIR}[[:space:]]" /etc/fstab
then
if isTrue ${MOUNTBOOT}
then
if ! mount ${BOOTDIR}
then
print_warning 1 "${BOLD}WARNING${NORMAL}: Failed to mount ${BOOTDIR}!"
echo
else
print_info 1 "mount: ${BOOTDIR} mounted successfully!"
fi
else
print_warning 1 "${BOLD}WARNING${NORMAL}: No mounted ${BOOTDIR} partition detected!"
print_warning 1 " Run ``mount ${BOOTDIR}`` to mount it!"
echo
fi
fi
elif isBootRO
then
if isTrue ${MOUNTBOOT}
then
if ! mount -o remount,rw ${BOOTDIR}
then
print_warning 1 "${BOLD}WARNING${NORMAL}: Failed to remount ${BOOTDIR} RW!"
echo
else
print_info 1 "mount: ${BOOTDIR} remounted read/write successfully!"
BOOTRW=1
fi
fi
fi
fi
## Check whether another Genkernel is running
#GENPIDS="`ps -C genkernel --no-headers -o pid | wc -l`"
#if [ "${GENPIDS}" -gt '3' ]
#then
# [ "${GENPIDS}" -gt '4' ] && EX='s'
# print_warning 1 "${BOLD}WARNING${NORMAL}: Another Genkernel instance is running under"
# print_warning 1 " process ID${EX} " 0
# GENPIDS=`ps -C genkernel --no-headers -o pid`
# printf "%s" "${GENPIDS}" | sed -e "s/$$//; s/ /, /g"
# echo 'halting...'
# echo
# print_warning 1 'Running multiple genkernels on the same source tree will cause data loss!'
# print_info 1 "Press ^C to halt; ^D to continue [ ${BOLD}if${NORMAL} you know what you're doing! ]"
# echo
# CTEMP="${TEMP}"
# TEMP=${TMPDIR-/tmp}
# TEMP=${TEMP}/genkernel.$RANDOM.$RANDOM.$RANDOM.$$
# print_info 1 'thread: Running multiple genkernels may cause problems!'
# print_info 1 "thread: Temporary files reallocated to ${TEMP}..."
# echo
#fi
KERNCACHE_IS_VALID=0
if [ "${KERNCACHE}" != "" ]
then
gen_kerncache_is_valid
fi
if [ ${BUILD_KERNEL} = '1' -a "${KERNCACHE_IS_VALID}" = '0' ]
then
# Configure kernel
config_kernel
# Make prepare
if [ "${ARCH_HAVENOPREPARE}" = '' ]
then
compile_generic prepare kernel
fi
# KV may have changed due to the configuration
get_KV
compile_kernel
# Compile modules
if [ "${BUILD_MODULES}" = '1' -a "${BUILD_STATIC}" = '0' ]
then
compile_modules
fi
if [ "${SAVE_CONFIG}" = '1' ]
then
print_info 1 "Copying config for successful build to /etc/kernels/kernel-config-${ARCH}-${KV}"
[ ! -e '/etc/kernels' ] && mkdir -p /etc/kernels
cp "${KERNEL_OUTPUTDIR}/.config" "/etc/kernels/kernel-config-${ARCH}-${KV}" || \
print_warning "Unable to copy the kernel configuration file."
# Just a warning because ordinary users are not allowed to write in /etc
fi
fi
if isTrue "${CMD_INSTALL}"
then
if [ "${KERNCACHE}" != "" -a "${KERNCACHE_IS_VALID}" != "0" ]
then
gen_kerncache_extract_kernel
fi
fi
if [ "${KERNCACHE}" != "" -a "${KERNCACHE_IS_VALID}" != "0" ]
then
[ "${BUILD_STATIC}" = '0' ] && gen_kerncache_extract_modules
gen_kerncache_extract_config
fi
# Run callback
if [ "${CMD_CALLBACK}" != "" ]
then
print_info 1 "" 1 0
print_info 1 "Preparing to run callback: \"${CMD_CALLBACK}\"" 0
CALLBACK_ESCAPE=0
CALLBACK_COUNT=0
trap "CALLBACK_ESCAPE=1" TERM KILL INT QUIT ABRT
while [[ "${CALLBACK_ESCAPE}" = '0' && ${CALLBACK_COUNT} -lt 5 ]]
do
sleep 1; printf '.';
let CALLBACK_COUNT=${CALLBACK_COUNT}+1
done
if [ "${CALLBACK_ESCAPE}" = '0' ]
then
echo
echo
eval ${CMD_CALLBACK} | tee -a ${LOGFILE}
CMD_STATUS="${PIPESTATUS[0]}"
echo
print_info 1 "<<< Callback exit status: ${CMD_STATUS}"
[ "${CMD_STATUS}" != '0' ] && gen_die '--callback failed!'
else
echo
print_info 1 ">>> Callback cancelled..."
fi
trap - TERM KILL INT QUIT ABRT
print_info 1 "" 1 0
fi
if [ "${BUILD_RAMDISK}" = '1' ]
then
if [ "${BUSYBOX}" = '1' ]
then
# Compile Busybox
compile_busybox
fi
if isTrue "${UNIONFS}"
then
compile_unionfs_fuse
fi
# Compile initramfs
create_initramfs
else
print_info 1 'initrd: Not building since only the kernel was requested...'
fi
if isTrue "${INTEGRATED_INITRAMFS}" #|| [ "${BUILD_KERNEL}" = '1' -a "${KERNCACHE_IS_VALID}" == "0" ]
then
# We build the kernel a second time to include the initramfs
compile_kernel
fi
[ "${KERNCACHE}" != "" ] && gen_kerncache
[ "${MINKERNPACKAGE}" != '' ] && gen_minkernpackage
[ "${MODULESPACKAGE}" != '' ] && gen_modulespackage
# Clean up...
[ -n "${CTEMP}" ] && rm -rf "${TEMP}"
if [ "${BUILD_KERNEL}" = '1' ]
then
if isTrue "${CMD_INSTALL}"
then
set_bootloader
fi
print_info 1 ''
print_info 1 "Kernel compiled successfully!"
print_info 1 ''
print_info 1 'Required Kernel Parameters:'
print_info 1 ' root=/dev/$ROOT'
if [ "${BUILD_RAMDISK}" = '0' ]
then
print_info 1 ' [ And "vga=0x317 splash=verbose" if you use a framebuffer ]'
print_info 1 ''
print_info 1 ' Where $ROOT is the device node for your root partition as the'
print_info 1 ' one specified in /etc/fstab'
else
print_info 1 ''
print_info 1 ' Where $ROOT is the device node for your root partition as the'
print_info 1 ' one specified in /etc/fstab'
print_info 1 ''
print_info 1 "If you require Genkernel's hardware detection features; you MUST"
print_info 1 'tell your bootloader to use the provided INITRAMFS file.'
fi
fi
if [ "${BUILD_RAMDISK}" = '1' ]
then
echo
print_warning 1 'WARNING... WARNING... WARNING...'
print_warning 1 'Additional kernel cmdline arguments that *may* be required to boot properly...'
[ "${SPLASH}" = '1' ] && print_warning 1 "add \"vga=791 splash=silent,theme:${SPLASH_THEME} console=tty1 quiet\" if you use a splash framebuffer ]"
[ "${LVM}" = '1' ] && print_warning 1 'add "dolvm" for lvm support'
[ "${DMRAID}" = '1' ] && print_warning 1 'add "dodmraid" for dmraid support'
[ "${MDADM}" = '1' ] && print_warning 1 'add "domdadm" for RAID support'
[ "${DMRAID}" = '1' ] && print_warning 1 ' or "dodmraid=<additional options>"'
[ "${ZFS}" = '1' ] && print_warning 1 'add "dozfs" for ZFS volume management support'
[ "${ZFS}" = '1' ] && print_warning 1 ' and either "root=ZFS" to use bootfs autodetection or "root=ZFS=<dataset>" to force booting from a specific dataset'
[ "${BTRFS}" = '1' ] && print_warning 1 'add "dobtrfs" for Btrfs device scanning support'
[ "${ISCSI}" = '1' ] && print_warning 1 'add at least "iscsi_initiatorname=<initiator name> iscsi_target=<target name> and iscsi_address=<target ip>" for iscsi support'
if [[ "$(file --brief --mime-type "${KERNEL_CONFIG}")" == application/x-gzip ]]; then
# Support --kernel-config=/proc/config.gz, mainly
CONFGREP=zgrep
else
CONFGREP=grep
fi
if [ `${CONFGREP} 'CONFIG_EXT[0-9]_FS=' "${KERNEL_CONFIG}" | wc -l` -ge 2 ]; then
print_warning 1 'With support for several ext* filesystems available, it may be needed to'
print_warning 1 'add "rootfstype=ext3" or "rootfstype=ext4" to the list of boot parameters.'
fi
unset CONFGREP
fi
[ "${BOOTRW}" != '' ] && mount -o remount,ro ${BOOTDIR}
echo
print_info 1 'Do NOT report kernel bugs as genkernel bugs unless your bug'
print_info 1 'is about the default genkernel configuration...'
print_info 1 ''
print_info 1 'Make sure you have the latest ~arch genkernel before reporting bugs.'
#Final Cleanup
cleanup
|