gen_configkernel.sh

   1 #!/bin/bash
   2
   3 determine_config_file() {
   4         if [ "${CMD_KERNEL_CONFIG}" != "" ]
   5         then
   6                 KERNEL_CONFIG="${CMD_KERNEL_CONFIG}"
   7         elif [ -f "/etc/kernels/kernel-config-${ARCH}-${KV}" ]
   8         then
   9                 KERNEL_CONFIG="/etc/kernels/kernel-config-${ARCH}-${KV}"
  10         elif [ -f "${GK_SHARE}/${ARCH}/kernel-config-${KV}" ]
  11         then
  12                 KERNEL_CONFIG="${GK_SHARE}/${ARCH}/kernel-config-${KV}"
  13         elif [ "${DEFAULT_KERNEL_CONFIG}" != "" -a -f "${DEFAULT_KERNEL_CONFIG}" ]
  14         then
  15                 KERNEL_CONFIG="${DEFAULT_KERNEL_CONFIG}"
  16         elif [ -f "${GK_SHARE}/${ARCH}/kernel-config-${VER}.${PAT}" ]
  17         then
  18                 KERNEL_CONFIG="${GK_SHARE}/${ARCH}/kernel-config-${VER}.${PAT}"
  19         elif [ -f "${GK_SHARE}/${ARCH}/kernel-config" ]
  20         then
  21                 KERNEL_CONFIG="${GK_SHARE}/${ARCH}/kernel-config"
  22         else
  23                 gen_die 'Error: No kernel .config specified, or file not found!'
  24         fi
  25 }
  26
  27 config_kernel() {
  28         determine_config_file
  29         cd "${KERNEL_DIR}" || gen_die 'Could not switch to the kernel directory!'
  30
  31         isTrue "${CLEAN}" && cp "${KERNEL_DIR}/.config" "${KERNEL_DIR}/.config.bak" > /dev/null 2>&1
  32         if isTrue ${MRPROPER}
  33         then
  34                 print_info 1 'kernel: >> Running mrproper...'
  35                 compile_generic mrproper kernel
  36         fi
  37
  38         # If we're not cleaning, then we don't want to try to overwrite the configs there
  39         # or we might remove configurations someone is trying to test.
  40
  41         if isTrue "${CLEAN}"
  42         then
  43                 print_info 1 "config: Using config from ${KERNEL_CONFIG}"
  44                 print_info 1 '        Previous config backed up to .config.bak'
  45                 cp "${KERNEL_CONFIG}" "${KERNEL_DIR}/.config" || gen_die 'Could not copy configuration file!'
  46         fi
  47         if isTrue "${CLEAN}" || isTrue "${OLDCONFIG}"
  48         then
  49                 if ! isTrue "${CLEAN}"
  50                 then
  51                         print_info 1 'config: >> Running oldconfig...'
  52                 else
  53                         print_info 1 '        >> Running oldconfig...'
  54                 fi
  55                 yes '' 2>/dev/null | compile_generic oldconfig kernel 2>/dev/null # Nullify to stop broken pipe messages
  56         fi
  57         if isTrue "${CLEAN}"
  58         then
  59                 print_info 1 'kernel: >> Cleaning...'
  60                 compile_generic clean kernel
  61         else
  62                 print_info 1 "config: --no-clean is enabled; leaving the .config alone."
  63         fi
  64
  65         if isTrue ${MENUCONFIG}
  66         then
  67                 print_info 1 'config: >> Invoking menuconfig...'
  68                 compile_generic menuconfig runtask
  69                 [ "$?" ] || gen_die 'Error: menuconfig failed!'
  70         elif isTrue ${CMD_GCONFIG}
  71         then
  72                 if [ "${VER}" == '2' ] && [ "${PAT}" -lt '6' ]
  73                 then
  74                         print_warning 1 'config: gconfig is not available in 2.4 series kernels. Running xconfig'
  75                         print_warning 1 '        instead...'
  76
  77                         CMD_GCONFIG=0
  78                         CMD_XCONFIG=1
  79                 else
  80                         print_info 1 'config: >> Invoking gconfig...'
  81                         compile_generic gconfig kernel
  82                         [ "$?" ] || gen_die 'Error: gconfig failed!'
  83
  84                         CMD_XCONFIG=0
  85                 fi
  86         fi
  87
  88         if isTrue ${CMD_XCONFIG}
  89         then
  90                 print_info 1 'config: >> Invoking xconfig...'
  91                 compile_generic xconfig kernel
  92                 [ "$?" ] || gen_die 'Error: xconfig failed!'
  93         fi
  94
  95         # Force this on if we are a 2.4 kernel or less
  96         # This is required for initrd support
  97         # Initramfs doesn't require this
  98         # TODO: force on with --genzimage
  99         if [ "${KERN_24}" -eq '1' ]
 100         then
 101             # Make sure Ext2 support is on...
 102             sed -i ${KERNEL_DIR}/.config -e 's/#\? \?CONFIG_EXT2_FS[ =].*/CONFIG_EXT2_FS=y/g'
 103         fi
 104
 105         # Make sure lvm modules are on if --lvm/--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         if isTrue ${SPLASH}
 120         then
 121                 sed -i ${KERNEL_DIR}/.config -e 's/#\? \?CONFIG_FB_SPLASH is.*/CONFIG_FB_SPLASH=y/g'
 122         fi
 123
 124         # This check isn't complete: SOFTWARE_SUSPEND has extra deps on some systems such as CPU hotplug
 125 #       if isTrue ${CMD_SUSPEND}
 126 #       then
 127 #               sed -i ${KERNEL_DIR}/.config -e 's/#\? \?CONFIG_SOFTWARE_SUSPEND is.*/CONFIG_SOFTWARE_SUSPEND=y/g'
 128 #       fi
 129
 130 }