gen_configkernel.sh

   1 #!/bin/bash
   2 # $Id$
   3
   4 # Fills variable KERNEL_CONFIG
   5 determine_config_file() {
   6         if [ "${CMD_KERNEL_CONFIG}" != "" ]
   7         then
   8                 KERNEL_CONFIG="${CMD_KERNEL_CONFIG}"
   9         elif [ -f "/etc/kernels/kernel-config-${ARCH}-${KV}" ]
  10         then
  11                 KERNEL_CONFIG="/etc/kernels/kernel-config-${ARCH}-${KV}"
  12         elif [ -f "${GK_SHARE}/arch/${ARCH}/kernel-config-${KV}" ]
  13         then
  14                 KERNEL_CONFIG="${GK_SHARE}/arch/${ARCH}/kernel-config-${KV}"
  15         elif [ "${DEFAULT_KERNEL_CONFIG}" != "" -a -f "${DEFAULT_KERNEL_CONFIG}" ]
  16         then
  17                 KERNEL_CONFIG="${DEFAULT_KERNEL_CONFIG}"
  18         elif [ -f "${GK_SHARE}/arch/${ARCH}/kernel-config-${VER}.${PAT}" ]
  19         then
  20                 KERNEL_CONFIG="${GK_SHARE}/arch/${ARCH}/kernel-config-${VER}.${PAT}"
  21         elif [ -f "${GK_SHARE}/arch/${ARCH}/kernel-config" ]
  22         then
  23                 KERNEL_CONFIG="${GK_SHARE}/arch/${ARCH}/kernel-config"
  24         else
  25                 gen_die 'Error: No kernel .config specified, or file not found!'
  26         fi
  27 }
  28
  29 config_kernel() {
  30         determine_config_file
  31         cd "${KERNEL_DIR}" || gen_die 'Could not switch to the kernel directory!'
  32
  33         # Backup current kernel .config
  34         if isTrue "${MRPROPER}" || [ ! -f "${KERNEL_DIR}/.config" ]
  35         then
  36                 print_info 1 "kernel: Using config from ${KERNEL_CONFIG}"
  37                 if [ -f "${KERNEL_DIR}/.config" ]
  38                 then
  39                         NOW=`date +--%Y-%m-%d--%H-%M-%S`
  40                         cp "${KERNEL_DIR}/.config" "${KERNEL_DIR}/.config${NOW}.bak" \
  41                                         || gen_die "Could not backup kernel config (${KERNEL_DIR}/.config)"
  42                         print_info 1 "        Previous config backed up to .config${NOW}.bak"
  43                 fi
  44         fi
  45
  46         if isTrue ${MRPROPER}
  47         then
  48                 print_info 1 'kernel: >> Running mrproper...'
  49                 compile_generic mrproper kernel
  50         else
  51                 print_info 1 "kernel: --mrproper is disabled; not running 'make mrproper'."
  52         fi
  53
  54         # If we're not cleaning a la mrproper, then we don't want to try to overwrite the configs
  55         # or we might remove configurations someone is trying to test.
  56         if isTrue "${MRPROPER}" || [ ! -f "${KERNEL_DIR}/.config" ]
  57         then
  58                 cp "${KERNEL_CONFIG}" "${KERNEL_DIR}/.config" || gen_die 'Could not copy configuration file!'
  59         fi
  60
  61         if isTrue "${OLDCONFIG}"
  62         then
  63                 print_info 1 '        >> Running oldconfig...'
  64                 yes '' 2>/dev/null | compile_generic oldconfig kernel 2>/dev/null
  65         else
  66                 print_info 1 "kernel: --oldconfig is disabled; not running 'make oldconfig'."
  67         fi
  68         if isTrue "${CLEAN}"
  69         then
  70                 print_info 1 'kernel: >> Cleaning...'
  71                 compile_generic clean kernel
  72         else
  73                 print_info 1 "kernel: --clean is disabled; not running 'make clean'."
  74         fi
  75
  76         if isTrue ${MENUCONFIG}
  77         then
  78                 print_info 1 'kernel: >> Invoking menuconfig...'
  79                 compile_generic menuconfig runtask
  80                 [ "$?" ] || gen_die 'Error: menuconfig failed!'
  81         elif isTrue ${CMD_GCONFIG}
  82         then
  83                 print_info 1 'kernel: >> Invoking gconfig...'
  84                 compile_generic gconfig kernel
  85                 [ "$?" ] || gen_die 'Error: gconfig failed!'
  86
  87                 CMD_XCONFIG=0
  88         fi
  89
  90         if isTrue ${CMD_XCONFIG}
  91         then
  92                 print_info 1 'kernel: >> Invoking xconfig...'
  93                 compile_generic xconfig kernel
  94                 [ "$?" ] || gen_die 'Error: xconfig failed!'
  95         fi
  96
  97         # Force this on if we are using --genzimage
  98         if isTrue ${CMD_GENZIMAGE}
  99         then
 100                 # Make sure Ext2 support is on...
 101                 sed -e 's/#\? \?CONFIG_EXT2_FS[ =].*/CONFIG_EXT2_FS=y/g' \
 102                         -i ${KERNEL_DIR}/.config
 103         fi
 104
 105         # Make sure lvm modules are on if --lvm
 106         if isTrue ${CMD_LVM}
 107         then
 108                 sed -i ${KERNEL_DIR}/.config -e 's/#\? \?CONFIG_BLK_DEV_DM is.*/CONFIG_BLK_DEV_DM=m/g'
 109                 sed -i ${KERNEL_DIR}/.config -e 's/#\? \?CONFIG_DM_SNAPSHOT is.*/CONFIG_DM_SNAPSHOT=m/g'
 110                 sed -i ${KERNEL_DIR}/.config -e 's/#\? \?CONFIG_DM_MIRROR is.*/CONFIG_DM_MIRROR=m/g'
 111         fi
 112
 113         # Make sure dmraid modules are on if --dmraid
 114         if isTrue ${CMD_DMRAID}
 115         then
 116                 sed -i ${KERNEL_DIR}/.config -e 's/#\? \?CONFIG_BLK_DEV_DM is.*/CONFIG_BLK_DEV_DM=m/g'
 117         fi
 118
 119         # Make sure iSCSI modules are enabled in the kernel, if --iscsi
 120         # CONFIG_SCSI_ISCSI_ATTRS
 121         # CONFIG_ISCSI_TCP
 122         if isTrue ${CMD_ISCSI}
 123         then
 124                 sed -i ${KERNEL_DIR}/.config -e 's/\# CONFIG_ISCSI_TCP is not set/CONFIG_ISCSI_TCP=m/g'
 125                 sed -i ${KERNEL_DIR}/.config -e 's/\# CONFIG_SCSI_ISCSI_ATTRS is not set/CONFIG_SCSI_ISCSI_ATTRS=m/g'
 126
 127                 sed -i ${KERNEL_DIR}/.config -e 's/CONFIG_ISCSI_TCP=y/CONFIG_ISCSI_TCP=m/g'
 128                 sed -i ${KERNEL_DIR}/.config -e 's/CONFIG_SCSI_ISCSI_ATTRS=y/CONFIG_SCSI_ISCSI_ATTRS=m/g'
 129         fi
 130
 131         if isTrue ${SPLASH}
 132         then
 133                 sed -i ${KERNEL_DIR}/.config -e 's/#\? \?CONFIG_FB_SPLASH is.*/CONFIG_FB_SPLASH=y/g'
 134         fi
 135 }