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gen_determineargs.sh
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gen_determineargs.sh
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#!/bin/bash
# $Id$
determine_KEXT() {
local kconfig_file_used="${KERNEL_CONFIG}"
if isTrue "${BUILD_KERNEL}"
then
kconfig_file_used="${KERNEL_OUTPUTDIR}/.config"
fi
KEXT='.ko'
declare -A module_compression_algorithms=()
module_compression_algorithms[NONE]='.ko'
module_compression_algorithms[GZIP]='.ko.gz'
module_compression_algorithms[XZ]='.ko.xz'
module_compression_algorithms[ZSTD]='.ko.zst'
local module_compression_algorithm
for module_compression_algorithm in "${!module_compression_algorithms[@]}"
do
print_info 5 "Checking if module compression algorithm '${module_compression_algorithm}' is being used ..."
local koption="CONFIG_MODULE_COMPRESS_${module_compression_algorithm}"
local value_koption=$(kconfig_get_opt "${kconfig_file_used}" "${koption}")
if [[ "${value_koption}" != "y" ]]
then
print_info 5 "Cannot use '${module_compression_algorithm}' algorithm for module compression, kernel option '${koption}' is not set!"
continue
fi
print_info 5 "Will use '${module_compression_algorithm}' algorithm for kernel module compression!"
KEXT="${module_compression_algorithms[${module_compression_algorithm}]}"
break
done
unset module_compression_algorithms module_compression_algorithm koption value_koption
}
determine_KV() {
local old_KV=
[ -n "${KV}" ] && old_KV="${KV}"
if ! isTrue "${KERNEL_SOURCES}" && [ -e "${KERNCACHE}" ]
then
"${TAR_COMMAND}" -x -C "${TEMP}" -f "${KERNCACHE}" kerncache.config \
|| gen_die "Failed to extract 'kerncache.config' from '${KERNCACHE}' to '${TEMP}'!"
if [ -e "${TEMP}/kerncache.config" ]
then
VER=$(grep ^VERSION\ \= "${TEMP}"/kerncache.config | awk '{ print $3 };')
PAT=$(grep ^PATCHLEVEL\ \= "${TEMP}"/kerncache.config | awk '{ print $3 };')
SUB=$(grep ^SUBLEVEL\ \= "${TEMP}"/kerncache.config | awk '{ print $3 };')
EXV=$(grep ^EXTRAVERSION\ \= "${TEMP}"/kerncache.config | sed -e "s/EXTRAVERSION =//" -e "s/ //g")
LOV=$(grep ^CONFIG_LOCALVERSION\ \= "${TEMP}"/kerncache.config | sed -e "s/CONFIG_LOCALVERSION=\"\(.*\)\"/\1/")
KV=${VER}.${PAT}.${SUB}${EXV}${LOV}
else
gen_die "Could not find kerncache.config in the kernel cache! Exiting."
fi
else
# Configure the kernel
# If BUILD_KERNEL=0 then assume --no-clean, menuconfig is cleared
if [ ! -f "${KERNEL_DIR}"/Makefile ]
then
gen_die "Kernel Makefile (${KERNEL_DIR}/Makefile) missing. Maybe re-install the kernel sources."
fi
VER=$(grep ^VERSION\ \= ${KERNEL_DIR}/Makefile | awk '{ print $3 };')
PAT=$(grep ^PATCHLEVEL\ \= ${KERNEL_DIR}/Makefile | awk '{ print $3 };')
SUB=$(grep ^SUBLEVEL\ \= ${KERNEL_DIR}/Makefile | awk '{ print $3 };')
EXV=$(grep ^EXTRAVERSION\ \= ${KERNEL_DIR}/Makefile | sed -e "s/EXTRAVERSION =//" -e "s/ //g" -e 's/\$([a-z]*)//gi')
# The files we are looking for are always in KERNEL_OUTPUTDIR
# because in most cases, KERNEL_OUTPUTDIR == KERNEL_DIR.
# If KERNEL_OUTPUTDIR != KERNEL_DIR, --kernel-outputdir is used,
# in which case files will only be in KERNEL_OUTPUTDIR.
[ -f "${KERNEL_OUTPUTDIR}/include/linux/version.h" ] && \
VERSION_SOURCE="${KERNEL_OUTPUTDIR}/include/linux/version.h"
[ -f "${KERNEL_OUTPUTDIR}/include/linux/utsrelease.h" ] && \
VERSION_SOURCE="${KERNEL_OUTPUTDIR}/include/linux/utsrelease.h"
# Handle new-style releases where version.h doesn't have UTS_RELEASE
if [ -f "${KERNEL_OUTPUTDIR}/include/config/kernel.release" ]
then
print_info 3 "Using '${KERNEL_OUTPUTDIR}/include/config/kernel.release' to extract LOCALVERSION ..."
UTS_RELEASE=$(cat "${KERNEL_OUTPUTDIR}/include/config/kernel.release")
LOV=$(echo ${UTS_RELEASE}|sed -e "s/${VER}.${PAT}.${SUB}${EXV}//")
KV=${VER}.${PAT}.${SUB}${EXV}${LOV}
elif [ -n "${VERSION_SOURCE}" ]
then
print_info 3 "Using '${VERSION_SOURCE}' to extract LOCALVERSION ..."
UTS_RELEASE=$(grep UTS_RELEASE ${VERSION_SOURCE} | sed -e 's/#define UTS_RELEASE "\(.*\)"/\1/')
LOV=$(echo ${UTS_RELEASE}|sed -e "s/${VER}.${PAT}.${SUB}${EXV}//")
KV=${VER}.${PAT}.${SUB}${EXV}${LOV}
else
# We will be here only when currently selected kernel source
# is untouched (i.e. after a new kernel sources version was
# installed and will now be used for the first time) or
# was cleaned.
# Anyway, we have no chance to get a LOCALVERSION,
# so don't even try -- it would be also useless at this stage.
# Note: If we are building a kernel in this genkernel run and
# LOCALVERSION will become available later due to
# changed configuration we will notice after we have
# prepared the sources.
print_info 3 "Unable to determine LOCALVERSION -- maybe cleaned/fresh sources?"
KV=${VER}.${PAT}.${SUB}${EXV}
fi
fi
KV_MAJOR=$(echo ${KV} | cut -f1 -d.)
KV_MINOR=$(echo ${KV} | cut -f2 -d.)
KV_NUMERIC=$((${KV_MAJOR} * 1000 + ${KV_MINOR}))
if [ -n "${old_KV}" -a "${KV}" != "${old_KV}" ]
then
print_info 3 "KV changed from '${old_KV}' to '${KV}'!"
echo "${old_KV}" > "${TEMP}/.old_kv" ||
gen_die "failed to to store '${old_KV}' in '${TEMP}/.old_kv' marker"
fi
}
determine_output_filenames() {
print_info 5 '' 1 0
GK_FILENAME_KERNELZ="kernelz-${KV}"
GK_FILENAME_TEMP_CONFIG="config-${ARCH}-${KV}"
GK_FILENAME_TEMP_INITRAMFS="initramfs-${ARCH}-${KV}"
GK_FILENAME_TEMP_KERNEL="kernel-${ARCH}-${KV}"
GK_FILENAME_TEMP_KERNELZ="kernelz-${ARCH}-${KV}"
GK_FILENAME_TEMP_SYSTEMMAP="System.map-${ARCH}-${KV}"
# Do we have values?
if [ -z "${KERNEL_CONFIG_FILENAME}" ]
then
gen_die "--kernel-config-filename must be set to a non-empty value!"
elif [ -z "${KERNEL_FILENAME}" ]
then
gen_die "--kernel-filename must be set to a non-empty value!"
elif [ -z "${KERNEL_SYMLINK_NAME}" ]
then
gen_die "--kernel-symlink-name must be set to a non-empty value!"
elif [ -z "${SYSTEMMAP_FILENAME}" ]
then
gen_die "--systemmap-filename must be set to a non-empty value!"
elif [ -z "${SYSTEMMAP_SYMLINK_NAME}" ]
then
gen_die "--systemmap-symlink-name must be set to a non-empty value!"
elif [ -z "${INITRAMFS_FILENAME}" ]
then
gen_die "--initramfs-filename must be set to a non-empty value!"
elif [ -z "${INITRAMFS_FILENAME}" ]
then
gen_die "--initramfs-filename must be set to a non-empty value!"
fi
# Kernel .config
GK_FILENAME_CONFIG=$(arch_replace "${KERNEL_CONFIG_FILENAME}")
GK_FILENAME_CONFIG=$(kv_replace "${GK_FILENAME_CONFIG}")
if [ -z "${GK_FILENAME_CONFIG}" ]
then
gen_die "Internal error: Variable 'GK_FILENAME_CONFIG' is empty!"
else
print_info 5 "GK_FILENAME_CONFIG set to '${GK_FILENAME_CONFIG}' (was: '${KERNEL_CONFIG_FILENAME}')"
fi
# Kernel
GK_FILENAME_KERNEL=$(arch_replace "${KERNEL_FILENAME}")
GK_FILENAME_KERNEL=$(kv_replace "${GK_FILENAME_KERNEL}")
if [ -z "${GK_FILENAME_KERNEL}" ]
then
gen_die "Internal error: Variable 'GK_FILENAME_KERNEL' is empty!"
else
print_info 5 "GK_FILENAME_KERNEL set to '${GK_FILENAME_KERNEL}' (was: '${KERNEL_FILENAME}')"
fi
# Kernel symlink
GK_FILENAME_KERNEL_SYMLINK=$(arch_replace "${KERNEL_SYMLINK_NAME}")
GK_FILENAME_KERNEL_SYMLINK=$(kv_replace "${GK_FILENAME_KERNEL_SYMLINK}")
if [ -z "${GK_FILENAME_KERNEL_SYMLINK}" ]
then
gen_die "Internal error: Variable 'GK_FILENAME_KERNEL_SYMLINK' is empty!"
else
print_info 5 "GK_FILENAME_KERNEL_SYMLINK set to '${GK_FILENAME_KERNEL_SYMLINK}' (was: '${KERNEL_SYMLINK_NAME}')"
fi
if [[ "${GK_FILENAME_KERNEL}" == "${GK_FILENAME_KERNEL_SYMLINK}" ]]
then
gen_die "--kernel-filename cannot be identical with --kernel-symlink-name!"
fi
# System.map
GK_FILENAME_SYSTEMMAP=$(arch_replace "${SYSTEMMAP_FILENAME}")
GK_FILENAME_SYSTEMMAP=$(kv_replace "${GK_FILENAME_SYSTEMMAP}")
if [ -z "${GK_FILENAME_SYSTEMMAP}" ]
then
gen_die "Internal error: Variable 'GK_FILENAME_SYSTEMMAP' is empty!"
else
print_info 5 "GK_FILENAME_SYSTEMMAP set to '${GK_FILENAME_SYSTEMMAP}' (was: '${SYSTEMMAP_FILENAME}')"
fi
# System.map symlink
GK_FILENAME_SYSTEMMAP_SYMLINK=$(arch_replace "${SYSTEMMAP_SYMLINK_NAME}")
GK_FILENAME_SYSTEMMAP_SYMLINK=$(kv_replace "${GK_FILENAME_SYSTEMMAP_SYMLINK}")
if [ -z "${GK_FILENAME_SYSTEMMAP_SYMLINK}" ]
then
gen_die "Internal error: Variable 'GK_FILENAME_SYSTEMMAP_SYMLINK' is empty!"
else
print_info 5 "GK_FILENAME_SYSTEMMAP_SYMLINK set to '${GK_FILENAME_SYSTEMMAP_SYMLINK}' (was: '${SYSTEMMAP_SYMLINK_NAME}')"
fi
if [[ "${GK_FILENAME_SYSTEMMAP}" == "${GK_FILENAME_SYSTEMMAP_SYMLINK}" ]]
then
gen_die "--systemmap-filename cannot be identical with --systemmap-symlink-name!"
fi
# Initramfs
GK_FILENAME_INITRAMFS=$(arch_replace "${INITRAMFS_FILENAME}")
GK_FILENAME_INITRAMFS=$(kv_replace "${GK_FILENAME_INITRAMFS}")
if [ -z "${GK_FILENAME_INITRAMFS}" ]
then
gen_die "Internal error: Variable 'GK_FILENAME_INITRAMFS' is empty!"
else
print_info 5 "GK_FILENAME_INITRAMFS set to '${GK_FILENAME_INITRAMFS}' (was: '${INITRAMFS_FILENAME}')"
fi
# Initramfs symlink
GK_FILENAME_INITRAMFS_SYMLINK=$(arch_replace "${INITRAMFS_SYMLINK_NAME}")
GK_FILENAME_INITRAMFS_SYMLINK=$(kv_replace "${GK_FILENAME_INITRAMFS_SYMLINK}")
if [ -z "${GK_FILENAME_INITRAMFS_SYMLINK}" ]
then
gen_die "Internal error: Variable 'GK_FILENAME_INITRAMFS_SYMLINK' is empty!"
else
print_info 5 "GK_FILENAME_INITRAMFS_SYMLINK set to '${GK_FILENAME_INITRAMFS_SYMLINK}' (was: '${INITRAMFS_SYMLINK_NAME}')"
fi
if [[ "${GK_FILENAME_INITRAMFS}" == "${GK_FILENAME_INITRAMFS_SYMLINK}" ]]
then
gen_die "--initramfs-filename cannot be identical with --initramfs-symlink-name!"
fi
# Make sure we have unique filenames
if [[ "${GK_FILENAME_KERNEL}" == "${GK_FILENAME_INITRAMFS}" ]]
then
gen_die "--kernel-filename cannot be identical with --initramfs-filename!"
elif [[ "${GK_FILENAME_KERNEL}" == "${GK_FILENAME_SYSTEMMAP}" ]]
then
gen_die "--kernel-filename cannot be identical with --systemmap-filename!"
elif [[ "${GK_FILENAME_INITRAMFS}" == "${GK_FILENAME_SYSTEMMAP}" ]]
then
gen_die "--initramfs-filename cannot be identical with --systemmap-filename!"
fi
if [[ "${GK_FILENAME_KERNEL_SYMLINK}" == "${GK_FILENAME_INITRAMFS_SYMLINK}" ]]
then
gen_die "--kernel-symlink-name cannot be identical with --initramfs-symlink-name!"
elif [[ "${GK_FILENAME_KERNEL_SYMLINK}" == "${GK_FILENAME_SYSTEMMAP_SYMLINK}" ]]
then
gen_die "--kernel-symlink-name cannot be identical with --systemmap-symlink-name!"
elif [[ "${GK_FILENAME_INITRAMFS_SYMLINK}" == "${GK_FILENAME_SYSTEMMAP_SYMLINK}" ]]
then
gen_die "--initramfs-symlink-name cannot be identical with --systemmap-symlink-name!"
fi
local -a filename_vars
filename_vars+=( 'GK_FILENAME_CONFIG;--kernel-config-filename' )
filename_vars+=( 'GK_FILENAME_KERNEL;--kernel-filename' )
filename_vars+=( 'GK_FILENAME_KERNEL_SYMLINK;--kernel-symlink-name' )
filename_vars+=( 'GK_FILENAME_INITRAMFS;--initramfs-filename' )
filename_vars+=( 'GK_FILENAME_INITRAMFS_SYMLINK;--initramfs-symlink-name' )
filename_vars+=( 'GK_FILENAME_SYSTEMMAP;--systemmap-filename' )
filename_vars+=( 'GK_FILENAME_SYSTEMMAP_SYMLINK;--systemmap-symlink-name' )
local valid_filename_pattern='^[a-zA-Z0-9_.+-]{1,}$'
local filename_combo filename_varname filename_option
for filename_combo in "${filename_vars[@]}"
do
filename_combo=( ${filename_combo//;/ } )
filename_varname=${filename_combo[0]}
filename_option=${filename_combo[1]}
if [[ ! "${!filename_varname}" =~ ${valid_filename_pattern} ]]
then
gen_die "${filename_varname} value '${!filename_varname}' does not match regex '${valid_filename_pattern}'. Check ${filename_option} option!"
fi
done
}
determine_real_args() {
# Unset known variables which will interfere with _tc-getPROG().
local tc_var tc_varname_build tc_vars=$(get_tc_vars)
for tc_var in ${tc_vars} BROOT
do
tc_varname_build="BUILD_${tc_var}"
unset ${tc_var} ${tc_varname_build}
done
unset tc_var tc_varname_build tc_vars
if ! hash realpath &>/dev/null
then
gen_die "realpath not found. Is sys-apps/coreutils installed?"
fi
realpath -m / &>/dev/null
if [ $? -ne 0 ]
then
gen_die "'realpath -m /' failed. We need a realpath version which supports '-m' mode!"
fi
if hash grep &>/dev/null
then
GREP_CMD=grep
else
gen_die "grep not found. Is sys-apps/grep installed?"
fi
if hash zgrep &>/dev/null
then
ZGREP_CMD=zgrep
else
print_warning 1 "zgrep not found. Is app-arch/gzip installed? You will be unable to use compressed config files!"
fi
print_info 4 "Resolving config file, command line, and arch default settings."
# Dest / Config File Command Line Arch Default
# ------------------ ------------ ------------
set_config_with_override STRING TMPDIR CMD_TMPDIR "/var/tmp/genkernel"
set_config_with_override STRING LOGFILE CMD_LOGFILE "/var/log/genkernel.conf"
set_config_with_override STRING KERNEL_DIR CMD_KERNEL_DIR "${DEFAULT_KERNEL_SOURCE}"
set_config_with_override STRING KERNEL_MODULES_PREFIX CMD_KERNEL_MODULES_PREFIX
set_config_with_override BOOL KERNEL_SOURCES CMD_KERNEL_SOURCES "yes"
set_config_with_override STRING INITRAMFS_FILENAME CMD_INITRAMFS_FILENAME "${DEFAULT_INITRAMFS_FILENAME}"
set_config_with_override STRING INITRAMFS_SYMLINK_NAME CMD_INITRAMFS_SYMLINK_NAME "${DEFAULT_INITRAMFS_SYMLINK_NAME}"
set_config_with_override STRING KERNEL_CONFIG_FILENAME CMD_KERNEL_CONFIG_FILENAME "${DEFAULT_KERNEL_CONFIG_FILENAME}"
set_config_with_override STRING KERNEL_FILENAME CMD_KERNEL_FILENAME "${DEFAULT_KERNEL_FILENAME}"
set_config_with_override STRING KERNEL_SYMLINK_NAME CMD_KERNEL_SYMLINK_NAME "${DEFAULT_KERNEL_SYMLINK_NAME}"
set_config_with_override STRING SYSTEMMAP_FILENAME CMD_SYSTEMMAP_FILENAME "${DEFAULT_SYSTEMMAP_FILENAME}"
set_config_with_override STRING SYSTEMMAP_SYMLINK_NAME CMD_SYSTEMMAP_SYMLINK_NAME "${DEFAULT_SYSTEMMAP_SYMLINK_NAME}"
set_config_with_override STRING CHECK_FREE_DISK_SPACE_BOOTDIR CMD_CHECK_FREE_DISK_SPACE_BOOTDIR
set_config_with_override STRING CHECK_FREE_DISK_SPACE_KERNELOUTPUTDIR CMD_CHECK_FREE_DISK_SPACE_KERNELOUTPUTDIR
set_config_with_override STRING COMPRESS_INITRD CMD_COMPRESS_INITRD "${DEFAULT_COMPRESS_INITRD}"
set_config_with_override STRING COMPRESS_INITRD_TYPE CMD_COMPRESS_INITRD_TYPE "${DEFAULT_COMPRESS_INITRD_TYPE}"
set_config_with_override STRING CHOST CMD_CHOST "${DEFAULT_CHOST}"
set_config_with_override STRING MAKEOPTS CMD_MAKEOPTS "${DEFAULT_MAKEOPTS}"
set_config_with_override STRING NICE CMD_NICE "10"
set_config_with_override STRING KERNEL_AS CMD_KERNEL_AS "${DEFAULT_KERNEL_AS}"
set_config_with_override STRING KERNEL_AR CMD_KERNEL_AR "${DEFAULT_KERNEL_AR}"
set_config_with_override STRING KERNEL_CC CMD_KERNEL_CC "${DEFAULT_KERNEL_CC}"
set_config_with_override STRING KERNEL_CFLAGS CMD_KERNEL_CFLAGS "${DEFAULT_KERNEL_CFLAGS}"
set_config_with_override STRING KERNEL_CXX CMD_KERNEL_CXX "${DEFAULT_KERNEL_CXX}"
set_config_with_override STRING KERNEL_LD CMD_KERNEL_LD "${DEFAULT_KERNEL_LD}"
set_config_with_override STRING KERNEL_NM CMD_KERNEL_NM "${DEFAULT_KERNEL_NM}"
set_config_with_override STRING KERNEL_MAKE CMD_KERNEL_MAKE "${DEFAULT_KERNEL_MAKE}"
set_config_with_override STRING KERNEL_OBJCOPY CMD_KERNEL_OBJCOPY "${DEFAULT_KERNEL_OBJCOPY}"
set_config_with_override STRING KERNEL_OBJDUMP CMD_KERNEL_OBJDUMP "${DEFAULT_KERNEL_OBJDUMP}"
set_config_with_override STRING KERNEL_RANLIB CMD_KERNEL_RANLIB "${DEFAULT_KERNEL_RANLIB}"
set_config_with_override STRING KERNEL_READELF CMD_KERNEL_READELF "${DEFAULT_KERNEL_READELF}"
set_config_with_override STRING KERNEL_STRIP CMD_KERNEL_STRIP "${DEFAULT_KERNEL_STRIP}"
set_config_with_override STRING UTILS_AS CMD_UTILS_AS "${DEFAULT_UTILS_AS}"
set_config_with_override STRING UTILS_AR CMD_UTILS_AR "${DEFAULT_UTILS_AR}"
set_config_with_override STRING UTILS_CC CMD_UTILS_CC "${DEFAULT_UTILS_CC}"
set_config_with_override STRING UTILS_CFLAGS CMD_UTILS_CFLAGS "${DEFAULT_UTILS_CFLAGS}"
set_config_with_override STRING UTILS_CXX CMD_UTILS_CXX "${DEFAULT_UTILS_CXX}"
set_config_with_override STRING UTILS_LD CMD_UTILS_LD "${DEFAULT_UTILS_LD}"
set_config_with_override STRING UTILS_NM CMD_UTILS_NM "${DEFAULT_UTILS_NM}"
set_config_with_override STRING UTILS_MAKE CMD_UTILS_MAKE "${DEFAULT_UTILS_MAKE}"
set_config_with_override STRING UTILS_OBJCOPY CMD_UTILS_OBJCOPY "${DEFAULT_UTILS_OBJCOPY}"
set_config_with_override STRING UTILS_OBJDUMP CMD_UTILS_OBJDUMP "${DEFAULT_UTILS_OBJDUMP}"
set_config_with_override STRING UTILS_RANLIB CMD_UTILS_RANLIB "${DEFAULT_UTILS_RANLIB}"
set_config_with_override STRING UTILS_READELF CMD_UTILS_READELF "${DEFAULT_UTILS_READELF}"
set_config_with_override STRING UTILS_STRIP CMD_UTILS_STRIP "${DEFAULT_UTILS_STRIP}"
set_config_with_override STRING CROSS_COMPILE CMD_CROSS_COMPILE
set_config_with_override STRING BOOTDIR CMD_BOOTDIR "/boot"
set_config_with_override STRING KERNEL_APPEND_LOCALVERSION CMD_KERNEL_APPEND_LOCALVERSION
set_config_with_override STRING KERNEL_LOCALVERSION CMD_KERNEL_LOCALVERSION "-%%ARCH%%"
set_config_with_override STRING MODPROBEDIR CMD_MODPROBEDIR "/etc/modprobe.d"
set_config_with_override BOOL SPLASH CMD_SPLASH "no"
set_config_with_override BOOL CLEAR_CACHEDIR CMD_CLEAR_CACHEDIR "no"
set_config_with_override BOOL POSTCLEAR CMD_POSTCLEAR "no"
set_config_with_override BOOL MRPROPER CMD_MRPROPER "yes"
set_config_with_override BOOL MENUCONFIG CMD_MENUCONFIG "no"
set_config_with_override BOOL GCONFIG CMD_GCONFIG "no"
set_config_with_override BOOL NCONFIG CMD_NCONFIG "no"
set_config_with_override BOOL XCONFIG CMD_XCONFIG "no"
set_config_with_override BOOL CLEAN CMD_CLEAN "yes"
set_config_with_override STRING MINKERNPACKAGE CMD_MINKERNPACKAGE
set_config_with_override STRING MODULESPACKAGE CMD_MODULESPACKAGE
set_config_with_override BOOL MODULEREBUILD CMD_MODULEREBUILD "yes"
set_config_with_override STRING MODULEREBUILD_CMD CMD_MODULEREBUILD_CMD "${DEFAULT_MODULEREBUILD_CMD}"
set_config_with_override STRING KERNCACHE CMD_KERNCACHE
set_config_with_override BOOL RAMDISKMODULES CMD_RAMDISKMODULES "yes"
set_config_with_override BOOL ALLRAMDISKMODULES CMD_ALLRAMDISKMODULES "no"
set_config_with_override STRING INITRAMFS_OVERLAY CMD_INITRAMFS_OVERLAY
set_config_with_override STRING LINUXRC CMD_LINUXRC
set_config_with_override BOOL MOUNTBOOT CMD_MOUNTBOOT "yes"
set_config_with_override BOOL BUILD_STATIC CMD_STATIC "no"
set_config_with_override BOOL SAVE_CONFIG CMD_SAVE_CONFIG "yes"
set_config_with_override BOOL SYMLINK CMD_SYMLINK "no"
set_config_with_override BOOL OLDCONFIG CMD_OLDCONFIG "yes"
set_config_with_override BOOL SANDBOX CMD_SANDBOX "yes"
set_config_with_override BOOL SSH CMD_SSH "no"
set_config_with_override STRING SSH_AUTHORIZED_KEYS_FILE CMD_SSH_AUTHORIZED_KEYS_FILE "/etc/dropbear/authorized_keys"
set_config_with_override STRING SSH_HOST_KEYS CMD_SSH_HOST_KEYS "create"
set_config_with_override BOOL STRACE CMD_STRACE "no"
set_config_with_override BOOL BCACHE CMD_BCACHE "no"
set_config_with_override BOOL LVM CMD_LVM "no"
set_config_with_override BOOL DMRAID CMD_DMRAID "no"
set_config_with_override BOOL ISCSI CMD_ISCSI "no"
set_config_with_override BOOL HYPERV CMD_HYPERV "no"
set_config_with_override STRING BOOTFONT CMD_BOOTFONT "none"
set_config_with_override STRING BOOTLOADER CMD_BOOTLOADER "no"
set_config_with_override BOOL B2SUM CMD_B2SUM "no"
set_config_with_override BOOL BUSYBOX CMD_BUSYBOX "yes"
set_config_with_override STRING BUSYBOX_CONFIG CMD_BUSYBOX_CONFIG
set_config_with_override BOOL NFS CMD_NFS "yes"
set_config_with_override STRING MICROCODE CMD_MICROCODE "all"
set_config_with_override BOOL MICROCODE_INITRAMFS CMD_MICROCODE_INITRAMFS "no"
set_config_with_override BOOL UNIONFS CMD_UNIONFS "no"
set_config_with_override BOOL NETBOOT CMD_NETBOOT "no"
set_config_with_override STRING REAL_ROOT CMD_REAL_ROOT
set_config_with_override BOOL LUKS CMD_LUKS "no"
set_config_with_override BOOL GPG CMD_GPG "no"
set_config_with_override BOOL MDADM CMD_MDADM "no"
set_config_with_override STRING MDADM_CONFIG CMD_MDADM_CONFIG
set_config_with_override BOOL E2FSPROGS CMD_E2FSPROGS "no"
set_config_with_override BOOL XFSPROGS CMD_XFSPROGS "no"
set_config_with_override BOOL ZFS CMD_ZFS "$(rootfs_type_is zfs)"
set_config_with_override BOOL BTRFS CMD_BTRFS "$(rootfs_type_is btrfs)"
set_config_with_override BOOL VIRTIO CMD_VIRTIO "no"
set_config_with_override BOOL MULTIPATH CMD_MULTIPATH "no"
set_config_with_override BOOL FIRMWARE CMD_FIRMWARE "no"
set_config_with_override STRING FIRMWARE_DIR CMD_FIRMWARE_DIR "/lib/firmware"
set_config_with_override STRING FIRMWARE_FILES CMD_FIRMWARE_FILES
set_config_with_override BOOL FIRMWARE_INSTALL CMD_FIRMWARE_INSTALL "no"
set_config_with_override BOOL INTEGRATED_INITRAMFS CMD_INTEGRATED_INITRAMFS "no"
set_config_with_override BOOL WRAP_INITRD CMD_WRAP_INITRD "no"
set_config_with_override BOOL GENZIMAGE CMD_GENZIMAGE "no"
set_config_with_override BOOL KEYMAP CMD_KEYMAP "yes"
set_config_with_override BOOL DOKEYMAPAUTO CMD_DOKEYMAPAUTO "no"
set_config_with_override STRING STRIP_TYPE CMD_STRIP_TYPE "modules"
set_config_with_override BOOL INSTALL CMD_INSTALL "yes"
set_config_with_override BOOL CLEANUP CMD_CLEANUP "yes"
# Special case: If --no-clean is specified on the command line,
# imply --no-mrproper.
if ! isTrue "${CLEAN}"
then
if isTrue "${MRPROPER}"
then
print_info 5 " MRPROPER forced to \"no\" due to --no-clean."
MRPROPER="no"
fi
fi
# We need to expand and normalize provided $KERNEL_DIR and
# we need to do it early because $KERNEL_OUTPUTDIR will be
# set to $KERNEL_DIR by default.
KERNEL_DIR=$(cd -L "${CMD_KERNEL_DIR}" &>/dev/null && pwd -L 2>/dev/null)
if [ -z "${KERNEL_DIR}" ]
then
# We tried to use cd first to keep symlinks (i.e. to preserve
# a path like /usr/src/linux) which probably failed
# because $KERNEL_DIR does NOT exist. However, at this stage
# we don't know if $KERNEL_DIR is required so we have to
# accept an invalid value...
KERNEL_DIR=$(expand_file "${CMD_KERNEL_DIR}" 2>/dev/null)
fi
if [[ "${KERNEL_DIR}" != "${CMD_KERNEL_DIR}" ]]
then
print_info 5 " KERNEL_DIR value \"${CMD_KERNEL_DIR}\" normalized to \"${KERNEL_DIR}\""
fi
# Now that $KERNEL_DIR value is expanded and normalized we can
# initialize $KERNEL_OUTPUTDIR...
set_config_with_override STRING KERNEL_OUTPUTDIR CMD_KERNEL_OUTPUTDIR "${KERNEL_DIR}"
LOGFILE=$(expand_file "${CMD_LOGFILE}" 2>/dev/null)
if [ -z "${LOGFILE}" ]
then
small_die "Failed to expand --logfile value '${CMD_LOGFILE}'!"
fi
local can_write_log=no
if [ -w "${LOGFILE}" ]
then
can_write_log=yes
elif [ -w "$(dirname "${LOGFILE}")" ]
then
can_write_log=yes
fi
if ! isTrue "${can_write_log}"
then
small_die "Cannot write to '${LOGFILE}'!"
fi
echo ">>> Started genkernel v${GK_V} on: $(date +"%Y-%m-%d %H:%M:%S")" > "${LOGFILE}" 2>/dev/null || small_die "Could not write to '${LOGFILE}'!"
dump_debugcache
TMPDIR=$(expand_file "${CMD_TMPDIR}" 2>/dev/null)
if [ -z "${TMPDIR}" ]
then
gen_die "Failed to expand --tmpdir value '${CMD_TMPDIR}'!"
fi
if isTrue "$(has_space_characters "${TMPDIR}")"
then
# Packages like util-linux will fail to compile when path to
# build dir contains spaces
gen_die "--tmpdir '${TMPDIR}' contains space character(s) which are not supported!"
fi
if [ ! -d "${TMPDIR}" ]
then
mkdir -p "${TMPDIR}" || gen_die "Failed to create '${TMPDIR}'!"
fi
declare -gr TEMP=$(mktemp -d -p "${TMPDIR}" gk_XXXXXXXX 2>/dev/null)
[ -z "${TEMP}" ] && gen_die "'mktemp -d -p \"${TMPDIR}\" gk_XXXXXXXX' failed!"
if ! isTrue "${CLEANUP}"
then
local no_cleanup_marker="${TEMP}/.no_cleanup"
print_info 5 "Creating no cleanup marker '${no_cleanup_marker}' ..."
touch "${no_cleanup_marker}" || gen_die "Failed to create '${no_cleanup_marker}'!"
fi
declare -gr GK_V_CACHEDIR="${CACHE_DIR}/${GK_V}"
declare -gr KCONFIG_MODIFIED_MARKER="${TEMP}/.kconfig_modified"
declare -gr KCONFIG_REQUIRED_OPTIONS="${TEMP}/.kconfig_required_options"
if [ -n "${CMD_CROSS_COMPILE}" ]
then
if ! isTrue "$(is_valid_triplet "${CMD_CROSS_COMPILE}")"
then
gen_die "--cross-compile value '${CMD_CROSS_COMPILE}' does NOT represent a valid triplet!"
fi
ARCH=${CMD_CROSS_COMPILE%%-*}
case "${ARCH}" in
aarch64*)
ARCH="arm64"
;;
arm*)
ARCH="arm"
;;
hppa64*)
ARCH="parisc64"
;;
hppa*)
ARCH="parisc"
;;
i386)
ARCH="ia32"
;;
i486)
ARCH="x86"
;;
i586)
ARCH="x86"
;;
i686)
ARCH="x86"
;;
mips|mips64*)
ARCH="mips"
;;
powerpc)
ARCH="ppc"
;;
powerpc64)
ARCH="ppc64"
;;
powerpc64le)
ARCH="ppc64le"
;;
*)
;;
esac
print_info 2 "ARCH forced to '${ARCH}' ..."
else
ARCH=$(uname -m)
if [ -z "${ARCH}" ]
then
gen_die "Was unable to determine machine hardware name using 'uname -m'!"
else
print_info 5 "Read '${ARCH}' from 'uname -m' ..."
fi
case "${ARCH}" in
aarch64*)
ARCH="arm64"
;;
arm*)
ARCH="arm"
;;
i?86)
ARCH="x86"
;;
mips|mips64*)
ARCH="mips"
;;
*)
;;
esac
print_info 2 "ARCH '${ARCH}' detected ..."
fi
ARCH_CONFIG="${GK_SHARE}/arch/${ARCH}/config.sh"
[ -f "${ARCH_CONFIG}" ] || gen_die "${ARCH} not yet supported by genkernel. Please add the arch-specific config file '${ARCH_CONFIG}'!"
# Set CBUILD and CHOST
if ! isTrue "$(is_valid_triplet "${CHOST}")"
then
gen_die "Set CHOST '${CHOST}' does NOT represent a valid triplet!"
else
# Initialize CBUILD with CHOST value
CBUILD=${CHOST}
print_info 5 "CBUILD set to '${CBUILD}' ..."
fi
if [ -n "${CMD_CROSS_COMPILE}" ]
then
CHOST="${CMD_CROSS_COMPILE}"
fi
print_info 5 "CHOST set to '${CHOST}' ..."
# Initialize variables
BOOTDIR=$(arch_replace "${BOOTDIR}")
BOOTDIR=${BOOTDIR%/} # Remove any trailing slash
MODPROBEDIR=${MODPROBEDIR%/} # Remove any trailing slash
local -a pkg_prefixes=()
local -a vars_to_initialize=()
vars_to_initialize+=( "CACHE_DIR" )
vars_to_initialize+=( "BUSYBOX_CONFIG" )
vars_to_initialize+=( "DEFAULT_KERNEL_CONFIG" )
local binpkgs=( $(compgen -A variable | grep '^GKPKG_.*_BINPKG$') )
local binpkg
for binpkg in "${binpkgs[@]}"
do
pkg_prefixes+=( "${binpkg%_BINPKG}" )
vars_to_initialize+=( "${binpkg}" )
done
unset binpkg binpkgs
local v=
for v in "${vars_to_initialize[@]}"
do
eval "$v='$(arch_replace "${!v}")'"
eval "$v='$(cache_replace "${!v}")'"
done
unset v vars_to_initialize
declare -gA GKPKG_LOOKUP_TABLE=()
local pn_varname= pn=
for v in "${pkg_prefixes[@]}"
do
pn_varname="${v}_PN"
pn=${!pn_varname}
GKPKG_LOOKUP_TABLE[${pn}]=${v}
done
unset v pn pn_varname pkg_prefixes
declare -gA GKICM_LOOKUP_TABLE_CMD=()
declare -gA GKICM_LOOKUP_TABLE_EXT=()
declare -gA GKICM_LOOKUP_TABLE_PKG=()
local known_initramfs_compression_methods_by_compression=( $(get_initramfs_compression_method_by_compression) )
local known_initramfs_compression_methods_by_speed=( $(get_initramfs_compression_method_by_speed) )
local initramfs_compression_methods=( $(compgen -A variable | grep '^GKICM_.*_KOPTNAME$') )
local initramfs_compression_method key var_name var_prefix
for initramfs_compression_method in "${initramfs_compression_methods[@]}"
do
if [ -z "${!initramfs_compression_method}" ]
then
gen_die "Invalid config found: Check value of '${initramfs_compression_method}'!"
fi
if [[ "${known_initramfs_compression_methods_by_compression[@]} " != *"${!initramfs_compression_method}"* ]]
then
gen_die "Internal error: Initramfs compression method '${!initramfs_compression_method}' was not added to get_initramfs_compression_method_by_compression()!"
else
known_initramfs_compression_methods_by_compression=( $(printf '%s\n' "${known_initramfs_compression_methods_by_compression[@]//${!initramfs_compression_method}/}") )
fi
if [[ "${known_initramfs_compression_methods_by_speed[@]} " != *"${!initramfs_compression_method}"* ]]
then
gen_die "Internal error: Initramfs compression method '${!initramfs_compression_method}' was not added to get_initramfs_compression_method_by_speed()!"
else
known_initramfs_compression_methods_by_speed=( $(printf '%s\n' "${known_initramfs_compression_methods_by_speed[@]//${!initramfs_compression_method}/}") )
fi
var_prefix="${initramfs_compression_method%_KOPTNAME}"
for key in CMD EXT PKG
do
var_name="${var_prefix}_${key}"
if [ -z "${!var_name}" ]
then
gen_die "Internal error: Variable '${var_name}' is not set!"
fi
case ${key} in
CMD)
GKICM_LOOKUP_TABLE_CMD[${!initramfs_compression_method}]="${!var_name}"
;;
EXT)
GKICM_LOOKUP_TABLE_EXT[${!initramfs_compression_method}]="${!var_name}"
;;
PKG)
GKICM_LOOKUP_TABLE_PKG[${!initramfs_compression_method}]="${!var_name}"
;;
esac
done
done
unset initramfs_compression_methods initramfs_compression_method key var_name var_prefix
# It is enough to check just one data set because we validated
# both data sets above.
if [[ ${#known_initramfs_compression_methods_by_compression[@]} -gt 0 ]]
then
local unhandled_method
for unhandled_method in "${known_initramfs_compression_methods_by_compression[@]}"
do
print_error 1 "Do not know how to handle initramfs compression type '${unhandled_method}'!"
done
gen_die "Internal error: Not all known initramfs compression methods are defined!"
fi
unset known_initramfs_compression_methods_by_compression known_initramfs_compression_methods_by_speed
if [ -n "${CMD_BOOTLOADER}" ]
then
BOOTLOADER="${CMD_BOOTLOADER}"
if [ "${CMD_BOOTLOADER}" != "${CMD_BOOTLOADER/:/}" ]
then
BOOTFS=$(echo "${CMD_BOOTLOADER}" | cut -f2- -d:)
BOOTLOADER=$(echo "${CMD_BOOTLOADER}" | cut -f1 -d:)
fi
fi
case "${BOOTLOADER}" in
no|grub|grub2)
;;
*)
gen_die "Invalid bootloader '${BOOTLOADER}'; --bootloader=<bootloader> requires one of: no, grub, grub2"
;;
esac
if isTrue "${KERNEL_SOURCES}"
then
if [ ! -d "${KERNEL_DIR}" ]
then
gen_die "kernel source directory \"${KERNEL_DIR}\" was not found!"
fi
fi
if [ -z "${KERNCACHE}" ]
then
if [ "${KERNEL_DIR}" = '' ] && isTrue "${KERNEL_SOURCES}"
then
gen_die 'No kernel source directory!'
fi
if [ ! -e "${KERNEL_DIR}" ] && isTrue "${KERNEL_SOURCES}"
then
gen_die 'No kernel source directory!'
fi
else
if [ "${KERNEL_DIR}" = '' ]
then
gen_die 'Kernel Cache specified but no kernel tree to verify against!'
fi
fi
local need_tar=no
if [ -n "${MINKERNPACKAGE}" ]
then
MINKERNPACKAGE=$(expand_file "${CMD_MINKERNPACKAGE}")
if [[ -z "${MINKERNPACKAGE}" || "${MINKERNPACKAGE}" != *.tar* ]]
then
gen_die "--minkernpackage value '${CMD_MINKERNPACKAGE}' is invalid!"
fi
local minkernpackage_dir=$(dirname "${MINKERNPACKAGE}")
if [ ! -d "${minkernpackage_dir}" ]
then
mkdir -p "${minkernpackage_dir}" \
|| gen_die "Failed to create '${minkernpackage_dir}'!"
fi
need_tar=yes
fi
if [ -n "${MODULESPACKAGE}" ]
then
MODULESPACKAGE=$(expand_file "${CMD_MODULESPACKAGE}")
if [[ -z "${MODULESPACKAGE}" || "${MODULESPACKAGE}" != *.tar* ]]
then
gen_die "--modulespackage value '${CMD_MODULESPACKAGE}' is invalid!"
fi
local modulespackage_dir=$(dirname "${MODULESPACKAGE}")
if [ ! -d "${modulespackage_dir}" ]
then
mkdir -p "${modulespackage_dir}" \
|| gen_die "Failed to create '${modulespackage_dir}'!"
fi
need_tar=yes
fi
if [ -n "${KERNCACHE}" ]
then
KERNCACHE=$(expand_file "${CMD_KERNCACHE}")
if [[ -z "${KERNCACHE}" || "${KERNCACHE}" != *.tar* ]]
then
gen_die "--kerncache value '${CMD_KERNCACHE}' is invalid!"
fi
local kerncache_dir=$(dirname "${KERNCACHE}")
if [ ! -d "${kerncache_dir}" ]
then
mkdir -p "${kerncache_dir}" \
|| gen_die "Failed to create '${kerncache_dir}'!"
fi
need_tar=yes
fi
# We always need to populate KERNEL_LOCALVERSION to be able to warn
# if user changed value but didn't rebuild kernel
local valid_localversion_pattern='^[A-Za-z0-9_.+-]{1,}$'
if [ -n "${KERNEL_LOCALVERSION}" ]
then
case "${KERNEL_LOCALVERSION}" in
UNSET)
;;
*)
KERNEL_LOCALVERSION=$(arch_replace "${KERNEL_LOCALVERSION}")
if [ -z "${KERNEL_LOCALVERSION}" ]
then
# We somehow lost value...
gen_die "Internal error: Variable 'KERNEL_LOCALVERSION' is empty!"
fi
if [[ ! "${KERNEL_LOCALVERSION}" =~ ${valid_localversion_pattern} ]]
then
gen_die "--kernel-localversion value '${KERNEL_LOCALVERSION}' does not match '${valid_localversion_pattern}' regex!"
fi
;;
esac
fi
if [ -n "${KERNEL_APPEND_LOCALVERSION}" ]
then
if [[ ! "${KERNEL_APPEND_LOCALVERSION}" =~ ${valid_localversion_pattern} ]]
then
gen_die "--kernel-append-localversion value '${KERNEL_APPEND_LOCALVERSION}' does not match '${valid_localversion_pattern}' regex!"
fi
if [[ "${KERNEL_LOCALVERSION}" == "UNSET" ]]
then
gen_die "Cannot append '${KERNEL_APPEND_LOCALVERSION}' to KERNEL_LOCALVERSION you want to unset!"
else
KERNEL_LOCALVERSION+="${KERNEL_APPEND_LOCALVERSION}"
fi
fi
if isTrue "${BUILD_KERNEL}"
then
case "${CMD_STRIP_TYPE}" in
all|kernel|modules|none)
;;
*)
gen_die "Invalid strip type '${CMD_STRIP_TYPE}'; --strip=<type> requires one of: all, kernel, modules, none"
;;
esac
if [[ "${KERNEL_DIR}" != "${KERNEL_OUTPUTDIR}" ]]
then
if [ -z "${KERNEL_OUTPUTDIR}" ]
then
gen_die "No --kernel-outputdir specified!"
fi
KERNEL_OUTPUTDIR=$(expand_file "${KERNEL_OUTPUTDIR}")
if [ -z "${KERNEL_OUTPUTDIR}" ]
then
gen_die "Failed to expand set --kernel-outputdir '${CMD_KERNEL_OUTPUTDIR}'!"
fi
if [[ "${KERNEL_OUTPUTDIR}" != "${CMD_KERNEL_OUTPUTDIR}" ]]
then
print_info 5 "KERNEL_OUTPUTDIR value '${CMD_KERNEL_OUTPUTDIR}' normalized to '${KERNEL_OUTPUTDIR}'"
fi
if [ ! -d "${KERNEL_OUTPUTDIR}" ]
then
print_warning 3 "Set --kernel-outputdir '${KERNEL_OUTPUTDIR}' does not exist; Will try to create ..."
mkdir -p "${KERNEL_OUTPUTDIR}" || gen_die "Failed to create '${KERNEL_OUTPUTDIR}'!"
fi
fi
if isTrue "$(has_space_characters "${KERNEL_OUTPUTDIR}")"
then
# Kernel Makefile doesn't support spaces in outputdir path...
gen_die "--kernel-outputdir '${KERNEL_OUTPUTDIR}' contains space character(s) which are not supported!"
fi
if isTrue "${CMD_MODULEREBUILD}"
then
if [ -z "${MODULEREBUILD_CMD}" ]
then
gen_die "--module-rebuild-cmd cannot be empty when --module-rebuild is set!"
elif [[ "${MODULEREBUILD_CMD}" == *[\$\&\|\>\(\)]* ]]
then
gen_die "--module-rebuild-cmd '${MODULEREBUILD_CMD}' contains at least one of the following disallowed characters: '\$&|>()'!"
fi
fi
if isTrue "${SAVE_CONFIG}"
then
local kconf_savedir=/etc/kernels
if [ ! -d "${kconf_savedir}" ]
then
kconf_savedir=/etc
[ ! -d "${kconf_savedir}" ] && kconf_savedir=/
fi
if [ ! -w "${kconf_savedir}" ]
then
gen_die "Cannot write to '${kconf_savedir}' but --save-config is set!"
fi
fi
fi
if isTrue "${BUILD_RAMDISK}"
then
# Internal module group to get modules used in genkernel features
# into initramfs.
GK_INITRAMFS_ADDITIONAL_KMODULES=""
if [[ "${CMD_BOOTFONT}" != "none" ]]
then
if [[ "${CMD_BOOTFONT}" == "current" ]]
then
SETFONT_COMMAND="$(which setfont 2>/dev/null)"
if [ -z "${SETFONT_COMMAND}" ]
then
gen_die "setfont not found. Is sys-apps/kbd installed?"
fi
"${SETFONT_COMMAND}" -O /dev/null 2>/dev/null
if [ $? -ne 0 ]
then
if [ ${UID} -eq 0 ]
then
gen_die "'${SETFONT_COMMAND}' cannot read from console. You cannot use --boot-font=current!"
else
gen_die "'${SETFONT_COMMAND}' cannot read from console. You probably need root permission or cannot use --boot-font=current!"
fi
fi
else
local bootfont_file=$(expand_file "${BOOTFONT}")
if [ -z "${bootfont_file}" ]
then
gen_die "--boot-file value '${BOOTFONT}' failed to expand!"
elif [ ! -e "${bootfont_file}" ]
then
gen_die "--boot-file file '${bootfont_file}' does not exist!"
elif ! isTrue $(is_psf_file "${bootfont_file}")
then
gen_die "--boot-font file '${bootfont_file}' is not a valid PC Screen Font (PSF)!"
else
BOOTFONT="${bootfont_file}"
fi