#!/bin/bash
+# $Id$
+# Fills variable KERNEL_CONFIG
determine_config_file() {
if [ "${CMD_KERNEL_CONFIG}" != "" ]
then
KERNEL_CONFIG="${CMD_KERNEL_CONFIG}"
+ elif [ -f "/etc/kernels/kernel-config-${ARCH}-${KV}" ]
+ then
+ KERNEL_CONFIG="/etc/kernels/kernel-config-${ARCH}-${KV}"
+ elif [ -f "${GK_SHARE}/arch/${ARCH}/kernel-config-${KV}" ]
+ then
+ KERNEL_CONFIG="${GK_SHARE}/arch/${ARCH}/kernel-config-${KV}"
elif [ "${DEFAULT_KERNEL_CONFIG}" != "" -a -f "${DEFAULT_KERNEL_CONFIG}" ]
then
KERNEL_CONFIG="${DEFAULT_KERNEL_CONFIG}"
- elif [ -f "${GK_SHARE}/${ARCH}/kernel-config-${VER}.${PAT}" ]
+ elif [ -f "${GK_SHARE}/arch/${ARCH}/kernel-config-${VER}.${PAT}" ]
then
- KERNEL_CONFIG="${GK_SHARE}/${ARCH}/kernel-config-${VER}.${PAT}"
- elif [ -f "${GK_SHARE}/${ARCH}/kernel-config" ]
+ KERNEL_CONFIG="${GK_SHARE}/arch/${ARCH}/kernel-config-${VER}.${PAT}"
+ elif [ -f "${GK_SHARE}/arch/${ARCH}/kernel-config" ]
then
- KERNEL_CONFIG="${GK_SHARE}/${ARCH}/kernel-config"
+ KERNEL_CONFIG="${GK_SHARE}/arch/${ARCH}/kernel-config"
else
- gen_die "no kernel config specified, or file not found"
+ gen_die 'Error: No kernel .config specified, or file not found!'
fi
+ KERNEL_CONFIG="$(readlink -f "${KERNEL_CONFIG}")"
}
config_kernel() {
- print_info 1 "kernel: configuring source"
-
determine_config_file
+ cd "${KERNEL_DIR}" || gen_die 'Could not switch to the kernel directory!'
- cd "${KERNEL_DIR}" || gen_die "could not switch to kernel directory"
+ # Backup current kernel .config
+ if isTrue "${MRPROPER}" || [ ! -f "${KERNEL_DIR}/.config" ]
+ then
+ print_info 1 "kernel: Using config from ${KERNEL_CONFIG}"
+ if [ -f "${KERNEL_DIR}/.config" ]
+ then
+ NOW=`date +--%Y-%m-%d--%H-%M-%S`
+ cp "${KERNEL_DIR}/.config" "${KERNEL_DIR}/.config${NOW}.bak" \
+ || gen_die "Could not backup kernel config (${KERNEL_DIR}/.config)"
+ print_info 1 " Previous config backed up to .config${NOW}.bak"
+ fi
+ fi
if isTrue ${MRPROPER}
then
- print_info 1 "kernel: running mrproper"
- compile_generic "mrproper" kernel
+ print_info 1 'kernel: >> Running mrproper...'
+ compile_generic mrproper kernel
+ else
+ print_info 1 "kernel: --mrproper is disabled; not running 'make mrproper'."
fi
- # If we're not cleaning, then we don't want to try to overwrite the configs there
- # or we might screw up something someone is trying to test.
- if isTrue ${CLEAN}
+ # If we're not cleaning a la mrproper, then we don't want to try to overwrite the configs
+ # or we might remove configurations someone is trying to test.
+ if isTrue "${MRPROPER}" || [ ! -f "${KERNEL_DIR}/.config" ]
then
- print_info 1 "kernel: using config from ${KERNEL_CONFIG}"
- cp "${KERNEL_CONFIG}" "${KERNEL_DIR}/.config" || gen_die "could not copy config file"
-
- print_info 1 "kernel: running oldconfig"
- yes "" | compile_generic "oldconfig" kernel
-
- if isTrue ${MENUCONFIG}
- then
- print_info 1 "kernel: running menuconfig"
- make menuconfig
+ local message='Could not copy configuration file!'
+ if [[ "$(file --brief --mime-type "${KERNEL_CONFIG}")" == application/x-gzip ]]; then
+ # Support --kernel-config=/proc/config.gz, mainly
+ zcat "${KERNEL_CONFIG}" > "${KERNEL_DIR}/.config" || gen_die "${message}"
+ else
+ cp "${KERNEL_CONFIG}" "${KERNEL_DIR}/.config" || gen_die "${message}"
fi
+ fi
- print_info 1 "kernel: running clean"
- compile_generic "clean" kernel
+ if isTrue "${OLDCONFIG}"
+ then
+ print_info 1 ' >> Running oldconfig...'
+ yes '' 2>/dev/null | compile_generic oldconfig kernel 2>/dev/null
+ else
+ print_info 1 "kernel: --oldconfig is disabled; not running 'make oldconfig'."
+ fi
+ if isTrue "${CLEAN}"
+ then
+ print_info 1 'kernel: >> Cleaning...'
+ compile_generic clean kernel
else
- print_info 1 "kernel: skipping copy of config. CLEAN is OFF"
+ print_info 1 "kernel: --clean is disabled; not running 'make clean'."
fi
+ if isTrue ${MENUCONFIG}
+ then
+ print_info 1 'kernel: >> Invoking menuconfig...'
+ compile_generic menuconfig kernelruntask
+ [ "$?" ] || gen_die 'Error: menuconfig failed!'
+ elif isTrue ${CMD_GCONFIG}
+ then
+ print_info 1 'kernel: >> Invoking gconfig...'
+ compile_generic gconfig kernel
+ [ "$?" ] || gen_die 'Error: gconfig failed!'
+
+ CMD_XCONFIG=0
+ fi
+
+ if isTrue ${CMD_XCONFIG}
+ then
+ print_info 1 'kernel: >> Invoking xconfig...'
+ compile_generic xconfig kernel
+ [ "$?" ] || gen_die 'Error: xconfig failed!'
+ fi
+
+ # Force this on if we are using --genzimage
+ if isTrue ${CMD_GENZIMAGE}
+ then
+ # Make sure Ext2 support is on...
+ sed -e 's/#\? \?CONFIG_EXT2_FS[ =].*/CONFIG_EXT2_FS=y/g' \
+ -i ${KERNEL_DIR}/.config
+ fi
+
+ # Make sure lvm modules are on if --lvm
+ if isTrue ${CMD_LVM}
+ then
+ sed -i ${KERNEL_DIR}/.config -e 's/#\? \?CONFIG_BLK_DEV_DM is.*/CONFIG_BLK_DEV_DM=m/g'
+ sed -i ${KERNEL_DIR}/.config -e 's/#\? \?CONFIG_DM_SNAPSHOT is.*/CONFIG_DM_SNAPSHOT=m/g'
+ sed -i ${KERNEL_DIR}/.config -e 's/#\? \?CONFIG_DM_MIRROR is.*/CONFIG_DM_MIRROR=m/g'
+ fi
+
+ # Make sure dmraid modules are on if --dmraid
+ if isTrue ${CMD_DMRAID}
+ then
+ sed -i ${KERNEL_DIR}/.config -e 's/#\? \?CONFIG_BLK_DEV_DM is.*/CONFIG_BLK_DEV_DM=m/g'
+ fi
+
+ # Make sure iSCSI modules are enabled in the kernel, if --iscsi
+ # CONFIG_SCSI_ISCSI_ATTRS
+ # CONFIG_ISCSI_TCP
+ if isTrue ${CMD_ISCSI}
+ then
+ sed -i ${KERNEL_DIR}/.config -e 's/\# CONFIG_ISCSI_TCP is not set/CONFIG_ISCSI_TCP=m/g'
+ sed -i ${KERNEL_DIR}/.config -e 's/\# CONFIG_SCSI_ISCSI_ATTRS is not set/CONFIG_SCSI_ISCSI_ATTRS=m/g'
+
+ sed -i ${KERNEL_DIR}/.config -e 's/CONFIG_ISCSI_TCP=y/CONFIG_ISCSI_TCP=m/g'
+ sed -i ${KERNEL_DIR}/.config -e 's/CONFIG_SCSI_ISCSI_ATTRS=y/CONFIG_SCSI_ISCSI_ATTRS=m/g'
+ fi
+
+ if isTrue ${SPLASH}
+ then
+ sed -i ${KERNEL_DIR}/.config -e 's/#\? \?CONFIG_FB_SPLASH is.*/CONFIG_FB_SPLASH=y/g'
+ fi
}