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/${ARCH}/kernel-config"
  24         else
  25                 gen_die 'Error: No kernel .config specified, or file not found!'
  26         fi
  27     KERNEL_CONFIG="$(readlink -f "${KERNEL_CONFIG}")"
  28 }
  29
  30 config_kernel() {
  31         determine_config_file
  32         cd "${KERNEL_DIR}" || gen_die 'Could not switch to the kernel directory!'
  33
  34         # Backup current kernel .config
  35         if isTrue "${MRPROPER}" || [ ! -f "${KERNEL_DIR}/.config" ]
  36         then
  37                 print_info 1 "kernel: Using config from ${KERNEL_CONFIG}"
  38                 if [ -f "${KERNEL_DIR}/.config" ]
  39                 then
  40                         NOW=`date +--%Y-%m-%d--%H-%M-%S`
  41                         cp "${KERNEL_DIR}/.config" "${KERNEL_DIR}/.config${NOW}.bak" \
  42                                         || gen_die "Could not backup kernel config (${KERNEL_DIR}/.config)"
  43                         print_info 1 "        Previous config backed up to .config${NOW}.bak"
  44                 fi
  45         fi
  46
  47         if isTrue ${MRPROPER}
  48         then
  49                 print_info 1 'kernel: >> Running mrproper...'
  50                 compile_generic mrproper kernel
  51         else
  52                 print_info 1 "kernel: --mrproper is disabled; not running 'make mrproper'."
  53         fi
  54
  55         # If we're not cleaning a la mrproper, then we don't want to try to overwrite the configs
  56         # or we might remove configurations someone is trying to test.
  57         if isTrue "${MRPROPER}" || [ ! -f "${KERNEL_DIR}/.config" ]
  58         then
  59                 cp "${KERNEL_CONFIG}" "${KERNEL_DIR}/.config" || gen_die 'Could not copy configuration file!'
  60         fi
  61
  62         if isTrue "${OLDCONFIG}"
  63         then
  64                 print_info 1 '        >> Running oldconfig...'
  65                 yes '' 2>/dev/null | compile_generic oldconfig kernel 2>/dev/null
  66         else
  67                 print_info 1 "kernel: --oldconfig is disabled; not running 'make oldconfig'."
  68         fi
  69         if isTrue "${CLEAN}"
  70         then
  71                 print_info 1 'kernel: >> Cleaning...'
  72                 compile_generic clean kernel
  73         else
  74                 print_info 1 "kernel: --clean is disabled; not running 'make clean'."
  75         fi
  76
  77         if isTrue ${MENUCONFIG}
  78         then
  79                 print_info 1 'kernel: >> Invoking menuconfig...'
  80                 compile_generic menuconfig kernelruntask
  81                 [ "$?" ] || gen_die 'Error: menuconfig failed!'
  82         elif isTrue ${CMD_GCONFIG}
  83         then
  84                 print_info 1 'kernel: >> Invoking gconfig...'
  85                 compile_generic gconfig kernel
  86                 [ "$?" ] || gen_die 'Error: gconfig failed!'
  87
  88                 CMD_XCONFIG=0
  89         fi
  90
  91         if isTrue ${CMD_XCONFIG}
  92         then
  93                 print_info 1 'kernel: >> Invoking xconfig...'
  94                 compile_generic xconfig kernel
  95                 [ "$?" ] || gen_die 'Error: xconfig failed!'
  96         fi
  97
  98         # Force this on if we are using --genzimage
  99         if isTrue ${CMD_GENZIMAGE}
 100         then
 101                 # Make sure Ext2 support is on...
 102                 sed -e 's/#\? \?CONFIG_EXT2_FS[ =].*/CONFIG_EXT2_FS=y/g' \
 103                         -i ${KERNEL_DIR}/.config
 104         fi
 105
 106         # Make sure lvm modules are on if --lvm
 107         if isTrue ${CMD_LVM}
 108         then
 109                 sed -i ${KERNEL_DIR}/.config -e 's/#\? \?CONFIG_BLK_DEV_DM is.*/CONFIG_BLK_DEV_DM=m/g'
 110                 sed -i ${KERNEL_DIR}/.config -e 's/#\? \?CONFIG_DM_SNAPSHOT is.*/CONFIG_DM_SNAPSHOT=m/g'
 111                 sed -i ${KERNEL_DIR}/.config -e 's/#\? \?CONFIG_DM_MIRROR is.*/CONFIG_DM_MIRROR=m/g'
 112         fi
 113
 114         # Make sure dmraid modules are on if --dmraid
 115         if isTrue ${CMD_DMRAID}
 116         then
 117                 sed -i ${KERNEL_DIR}/.config -e 's/#\? \?CONFIG_BLK_DEV_DM is.*/CONFIG_BLK_DEV_DM=m/g'
 118         fi
 119
 120         # Make sure iSCSI modules are enabled in the kernel, if --iscsi
 121         # CONFIG_SCSI_ISCSI_ATTRS
 122         # CONFIG_ISCSI_TCP
 123         if isTrue ${CMD_ISCSI}
 124         then
 125                 sed -i ${KERNEL_DIR}/.config -e 's/\# CONFIG_ISCSI_TCP is not set/CONFIG_ISCSI_TCP=m/g'
 126                 sed -i ${KERNEL_DIR}/.config -e 's/\# CONFIG_SCSI_ISCSI_ATTRS is not set/CONFIG_SCSI_ISCSI_ATTRS=m/g'
 127
 128                 sed -i ${KERNEL_DIR}/.config -e 's/CONFIG_ISCSI_TCP=y/CONFIG_ISCSI_TCP=m/g'
 129                 sed -i ${KERNEL_DIR}/.config -e 's/CONFIG_SCSI_ISCSI_ATTRS=y/CONFIG_SCSI_ISCSI_ATTRS=m/g'
 130         fi
 131
 132         if isTrue ${SPLASH}
 133         then
 134                 sed -i ${KERNEL_DIR}/.config -e 's/#\? \?CONFIG_FB_SPLASH is.*/CONFIG_FB_SPLASH=y/g'
 135         fi
 136 }