gen_configkernel.sh

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