Run mdev -s after modules are loaded
[genkernel.git] / gen_configkernel.sh
old mode 100644 (file)
new mode 100755 (executable)
index bcaff5a..b0837dd
 #!/bin/bash
+# $Id$
 
+# Fills variable KERNEL_CONFIG
 determine_config_file() {
        if [ "${CMD_KERNEL_CONFIG}" != "" ]
        then
                KERNEL_CONFIG="${CMD_KERNEL_CONFIG}"
+       elif [ -f "/etc/kernels/kernel-config-${ARCH}-${KV}" ]
+       then
+               KERNEL_CONFIG="/etc/kernels/kernel-config-${ARCH}-${KV}"
+       elif [ -f "${GK_SHARE}/arch/${ARCH}/kernel-config-${KV}" ]
+       then
+               KERNEL_CONFIG="${GK_SHARE}/arch/${ARCH}/kernel-config-${KV}"
        elif [ "${DEFAULT_KERNEL_CONFIG}" != "" -a -f "${DEFAULT_KERNEL_CONFIG}" ]
        then
                KERNEL_CONFIG="${DEFAULT_KERNEL_CONFIG}"
-       elif [ -f "${GK_SHARE}/${ARCH}/kernel-config-${VER}.${PAT}" ]
+       elif [ -f "${GK_SHARE}/arch/${ARCH}/kernel-config-${VER}.${PAT}" ]
        then
-               KERNEL_CONFIG="${GK_SHARE}/${ARCH}/kernel-config-${VER}.${PAT}"
-       elif [ -f "${GK_SHARE}/${ARCH}/kernel-config" ]
+               KERNEL_CONFIG="${GK_SHARE}/arch/${ARCH}/kernel-config-${VER}.${PAT}"
+       elif [ -f "${GK_SHARE}/arch/${ARCH}/kernel-config" ]
        then
-               KERNEL_CONFIG="${GK_SHARE}/${ARCH}/kernel-config"
+               KERNEL_CONFIG="${GK_SHARE}/arch/${ARCH}/kernel-config"
        else
-               gen_die "no kernel config specified, or file not found"
+               gen_die 'Error: No kernel .config specified, or file not found!'
        fi
+    KERNEL_CONFIG="$(readlink -f "${KERNEL_CONFIG}")"
 }
 
 config_kernel() {
-       print_info 1 "kernel: configuring source"
-
        determine_config_file
+       cd "${KERNEL_DIR}" || gen_die 'Could not switch to the kernel directory!'
 
-       cd "${KERNEL_DIR}" || gen_die "could not switch to kernel directory"
+       # Backup current kernel .config
+       if isTrue "${MRPROPER}" || [ ! -f "${KERNEL_DIR}/.config" ]
+       then
+               print_info 1 "kernel: Using config from ${KERNEL_CONFIG}"
+               if [ -f "${KERNEL_DIR}/.config" ]
+               then
+                       NOW=`date +--%Y-%m-%d--%H-%M-%S`
+                       cp "${KERNEL_DIR}/.config" "${KERNEL_DIR}/.config${NOW}.bak" \
+                                       || gen_die "Could not backup kernel config (${KERNEL_DIR}/.config)"
+                       print_info 1 "        Previous config backed up to .config${NOW}.bak"
+               fi
+       fi
 
        if isTrue ${MRPROPER}
        then
-               print_info 1 "kernel: running mrproper"
-               compile_generic "mrproper" kernel
+               print_info 1 'kernel: >> Running mrproper...'
+               compile_generic mrproper kernel
+       else
+               print_info 1 "kernel: --mrproper is disabled; not running 'make mrproper'."
        fi
 
-       # If we're not cleaning, then we don't want to try to overwrite the configs there
-       # or we might screw up something someone is trying to test.
-       if isTrue ${CLEAN}
+       # If we're not cleaning a la mrproper, then we don't want to try to overwrite the configs
+       # or we might remove configurations someone is trying to test.
+       if isTrue "${MRPROPER}" || [ ! -f "${KERNEL_DIR}/.config" ]
        then
-               print_info 1 "kernel: using config from ${KERNEL_CONFIG}"
-               cp "${KERNEL_CONFIG}" "${KERNEL_DIR}/.config" || gen_die "could not copy config file"
-
-               print_info 1 "kernel: running oldconfig"
-               yes "" | compile_generic "oldconfig" kernel
-
-               if isTrue ${MENUCONFIG}
-               then
-                       print_info 1 "kernel: running menuconfig"
-                       make menuconfig
+               local message='Could not copy configuration file!'
+               if [[ "$(file --brief --mime-type "${KERNEL_CONFIG}")" == application/x-gzip ]]; then
+                       # Support --kernel-config=/proc/config.gz, mainly
+                       zcat "${KERNEL_CONFIG}" > "${KERNEL_DIR}/.config" || gen_die "${message}"
+               else
+                       cp "${KERNEL_CONFIG}" "${KERNEL_DIR}/.config" || gen_die "${message}"
                fi
+       fi
 
-               print_info 1 "kernel: running clean"
-               compile_generic "clean" kernel
+       if isTrue "${OLDCONFIG}"
+       then
+               print_info 1 '        >> Running oldconfig...'
+               yes '' 2>/dev/null | compile_generic oldconfig kernel 2>/dev/null
+       else
+               print_info 1 "kernel: --oldconfig is disabled; not running 'make oldconfig'."
+       fi
+       if isTrue "${CLEAN}"
+       then
+               print_info 1 'kernel: >> Cleaning...'
+               compile_generic clean kernel
        else
-               print_info 1 "kernel: skipping copy of config. CLEAN is OFF"
+               print_info 1 "kernel: --clean is disabled; not running 'make clean'."
        fi
 
+       if isTrue ${MENUCONFIG}
+       then
+               print_info 1 'kernel: >> Invoking menuconfig...'
+               compile_generic menuconfig kernelruntask
+               [ "$?" ] || gen_die 'Error: menuconfig failed!'
+       elif isTrue ${CMD_GCONFIG}
+       then
+               print_info 1 'kernel: >> Invoking gconfig...'
+               compile_generic gconfig kernel
+               [ "$?" ] || gen_die 'Error: gconfig failed!'
+
+               CMD_XCONFIG=0
+       fi
+
+       if isTrue ${CMD_XCONFIG}
+       then
+               print_info 1 'kernel: >> Invoking xconfig...'
+               compile_generic xconfig kernel
+               [ "$?" ] || gen_die 'Error: xconfig failed!'
+       fi
+
+       # Force this on if we are using --genzimage
+       if isTrue ${CMD_GENZIMAGE}
+       then
+               # Make sure Ext2 support is on...
+               sed -e 's/#\? \?CONFIG_EXT2_FS[ =].*/CONFIG_EXT2_FS=y/g' \
+                       -i ${KERNEL_DIR}/.config 
+       fi
+
+       # Make sure lvm modules are on if --lvm
+       if isTrue ${CMD_LVM}
+       then
+               sed -i ${KERNEL_DIR}/.config -e 's/#\? \?CONFIG_BLK_DEV_DM is.*/CONFIG_BLK_DEV_DM=m/g'
+               sed -i ${KERNEL_DIR}/.config -e 's/#\? \?CONFIG_DM_SNAPSHOT is.*/CONFIG_DM_SNAPSHOT=m/g'
+               sed -i ${KERNEL_DIR}/.config -e 's/#\? \?CONFIG_DM_MIRROR is.*/CONFIG_DM_MIRROR=m/g'
+       fi
+
+       # Make sure dmraid modules are on if --dmraid
+       if isTrue ${CMD_DMRAID}
+       then
+               sed -i ${KERNEL_DIR}/.config -e 's/#\? \?CONFIG_BLK_DEV_DM is.*/CONFIG_BLK_DEV_DM=m/g'
+       fi
+
+       # Make sure iSCSI modules are enabled in the kernel, if --iscsi
+       # CONFIG_SCSI_ISCSI_ATTRS
+       # CONFIG_ISCSI_TCP
+       if isTrue ${CMD_ISCSI}
+       then
+               sed -i ${KERNEL_DIR}/.config -e 's/\# CONFIG_ISCSI_TCP is not set/CONFIG_ISCSI_TCP=m/g'
+               sed -i ${KERNEL_DIR}/.config -e 's/\# CONFIG_SCSI_ISCSI_ATTRS is not set/CONFIG_SCSI_ISCSI_ATTRS=m/g'
+
+               sed -i ${KERNEL_DIR}/.config -e 's/CONFIG_ISCSI_TCP=y/CONFIG_ISCSI_TCP=m/g'
+               sed -i ${KERNEL_DIR}/.config -e 's/CONFIG_SCSI_ISCSI_ATTRS=y/CONFIG_SCSI_ISCSI_ATTRS=m/g'
+       fi
+
+       if isTrue ${SPLASH}
+       then
+               sed -i ${KERNEL_DIR}/.config -e 's/#\? \?CONFIG_FB_SPLASH is.*/CONFIG_FB_SPLASH=y/g'
+       fi
 }