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         isTrue "${CLEAN}" && cp "${KERNEL_DIR}/.config" "${KERNEL_DIR}/.config.bak" > /dev/null 2>&1
  33         if isTrue ${MRPROPER}
  34         then
  35                 print_info 1 'kernel: >> Running mrproper...'
  36                 compile_generic mrproper kernel
  37         fi
  38
  39         # If we're not cleaning, then we don't want to try to overwrite the configs
  40         # or we might remove configurations someone is trying to test.
  41
  42         if isTrue "${CLEAN}"
  43         then
  44                 print_info 1 "config: Using config from ${KERNEL_CONFIG}"
  45                 print_info 1 '        Previous config backed up to .config.bak'
  46                 cp "${KERNEL_CONFIG}" "${KERNEL_DIR}/.config" || gen_die 'Could not copy configuration file!'
  47         fi
  48         if isTrue "${OLDCONFIG}"
  49         then
  50                 print_info 1 '        >> Running oldconfig...'
  51                 yes '' 2>/dev/null | compile_generic oldconfig kernel 2>/dev/null
  52         fi
  53         if isTrue "${CLEAN}"
  54         then
  55                 print_info 1 'kernel: >> Cleaning...'
  56                 compile_generic clean kernel
  57         else
  58                 print_info 1 "config: --no-clean is enabled; leaving the .config alone."
  59         fi
  60
  61         if isTrue ${MENUCONFIG}
  62         then
  63                 print_info 1 'config: >> Invoking menuconfig...'
  64                 compile_generic menuconfig runtask
  65                 [ "$?" ] || gen_die 'Error: menuconfig failed!'
  66         elif isTrue ${CMD_GCONFIG}
  67         then
  68                 print_info 1 'config: >> Invoking gconfig...'
  69                 compile_generic gconfig kernel
  70                 [ "$?" ] || gen_die 'Error: gconfig failed!'
  71
  72                 CMD_XCONFIG=0
  73         fi
  74
  75         if isTrue ${CMD_XCONFIG}
  76         then
  77                 print_info 1 'config: >> Invoking xconfig...'
  78                 compile_generic xconfig kernel
  79                 [ "$?" ] || gen_die 'Error: xconfig failed!'
  80         fi
  81
  82         # Force this on if we are using --genzimage
  83         if isTrue ${CMD_GENZIMAGE}
  84         then
  85                 # Make sure Ext2 support is on...
  86                 sed -e 's/#\? \?CONFIG_EXT2_FS[ =].*/CONFIG_EXT2_FS=y/g' \
  87                         -i ${KERNEL_DIR}/.config
  88         fi
  89
  90         # Make sure lvm modules are on if --lvm
  91         if isTrue ${CMD_LVM}
  92         then
  93                 sed -i ${KERNEL_DIR}/.config -e 's/#\? \?CONFIG_BLK_DEV_DM is.*/CONFIG_BLK_DEV_DM=m/g'
  94                 sed -i ${KERNEL_DIR}/.config -e 's/#\? \?CONFIG_DM_SNAPSHOT is.*/CONFIG_DM_SNAPSHOT=m/g'
  95                 sed -i ${KERNEL_DIR}/.config -e 's/#\? \?CONFIG_DM_MIRROR is.*/CONFIG_DM_MIRROR=m/g'
  96         fi
  97
  98         # Make sure dmraid modules are on if --dmraid
  99         if isTrue ${CMD_DMRAID}
 100         then
 101                 sed -i ${KERNEL_DIR}/.config -e 's/#\? \?CONFIG_BLK_DEV_DM is.*/CONFIG_BLK_DEV_DM=m/g'
 102         fi
 103
 104         if isTrue ${SPLASH}
 105         then
 106                 sed -i ${KERNEL_DIR}/.config -e 's/#\? \?CONFIG_FB_SPLASH is.*/CONFIG_FB_SPLASH=y/g'
 107         fi
 108 }