3 PATH="${PATH}:/sbin:/usr/sbin"
6 # Set the default for TMPDIR. May be modified by genkernel.conf or the
7 # --tempdir command line option.
8 TMPDIR='/var/tmp/genkernel'
10 TODEBUGCACHE=1 # Until an error occurs or LOGFILE is fully qualified.
20 echo "$1" | cut -f2- -d=
25 # We don't know where our config is, so we check for it, and default to using
26 # /etc/genkernel.conf if nobody has specified one.
29 CMD_GK_CONFIG=`parse_opt "$*"`
33 # Pull in our configuration
34 source ${CMD_GK_CONFIG:-/etc/genkernel.conf} || small_die "Could not read /etc/genkernel.conf"
36 # Start sourcing other scripts
37 source ${GK_SHARE}/gen_funcs.sh || small_die "Could not read ${GK_SHARE}/gen_funcs.sh"
38 source ${GK_SHARE}/gen_cmdline.sh || gen_die "Could not read ${GK_SHARE}/gen_cmdline.sh"
39 source ${GK_SHARE}/gen_arch.sh || gen_die "Could not read ${GK_SHARE}/gen_arch.sh"
40 source ${GK_SHARE}/gen_determineargs.sh || gen_die "Could not read ${GK_SHARE}/gen_determineargs.sh"
41 source ${GK_SHARE}/gen_compile.sh || gen_die "Could not read ${GK_SHARE}/gen_compile.sh"
42 source ${GK_SHARE}/gen_configkernel.sh || gen_die "Could not read ${GK_SHARE}/gen_configkernel.sh"
43 source ${GK_SHARE}/gen_initramfs.sh || gen_die "Could not read ${GK_SHARE}/gen_initramfs.sh"
44 source ${GK_SHARE}/gen_moddeps.sh || gen_die "Could not read ${GK_SHARE}/gen_moddeps.sh"
45 source ${GK_SHARE}/gen_package.sh || gen_die "Could not read ${GK_SHARE}/gen_package.sh"
46 source ${GK_SHARE}/gen_bootloader.sh || gen_die "Could not read ${GK_SHARE}/gen_bootloader.sh"
48 TEMP=${TMPDIR}/$RANDOM.$RANDOM.$RANDOM.$$
51 # Call exit code of 1 for failure
57 if [ -n "$TEMP" -a -d "$TEMP" ]; then
61 if isTrue ${POSTCLEAR}
64 print_info 1 'RUNNING FINAL CACHE/TMP CLEANUP'
65 print_info 1 "CACHE_DIR: ${CACHE_DIR}"
69 print_info 1 "TMPDIR: ${TMPDIR}"
74 trap trap_cleanup SIGHUP SIGQUIT SIGINT SIGTERM SIGKILL
79 # Parse all command line options...
80 Options=$* # Save for later
87 # Check if no action is specified...
88 if [ "${BUILD_KERNEL}" -eq '0' -a "${BUILD_RAMDISK}" -eq '0' ]
95 NORMAL=${GOOD} print_info 1 "Gentoo Linux Genkernel; Version ${GK_V}${NORMAL}"
96 print_info 1 "Running with options: ${Options}"
102 # Read arch-specific config
103 source ${ARCH_CONFIG} || gen_die "Could not read ${ARCH_CONFIG}"
104 source ${GK_SHARE}/arch/${ARCH}/modules_load || gen_die "Could not read ${GK_SHARE}/arch/${ARCH}/modules_load"
106 # Merge modules_load from config
107 for group_modules in ${!AMODULES_*}; do
108 group="$(echo $group_modules | cut -d_ -f2)"
109 eval cmodules="\$$group_modules"
110 eval MODULES_${group}=\"\${MODULES_${group}} ${cmodules}\"
111 print_info 1 "<config> Merged AMODULES_${group}:'${cmodules}' into MODULES_${group}"
115 # Based on genkernel.conf, arch-specific configs, and commandline options,
116 # get the real arguments for usage...
122 [ ! -f "${TEMP}" ] && mkdir -p "${TEMP}"
130 NORMAL=${BOLD} print_info 1 "Linux Kernel ${BOLD}${KV}${NORMAL} for ${BOLD}${ARCH}${NORMAL}..."
132 # Check BOOTDIR is mounted
133 if isTrue ${CMD_NOINSTALL}
135 isTrue ${MOUNTBOOT} && print_info 2 'Skipping automatic mount of boot'
137 [[ -d ${BOOTDIR} ]] || gen_die "${BOOTDIR} is not a directory"
139 if ! egrep -q "[[:space:]]${BOOTDIR}[[:space:]]" /proc/mounts
141 if egrep -q "^[^#].+[[:space:]]${BOOTDIR}[[:space:]]" /etc/fstab
143 if isTrue ${MOUNTBOOT}
145 if ! mount ${BOOTDIR}
147 print_warning 1 "${BOLD}WARNING${NORMAL}: Failed to mount ${BOOTDIR}!"
150 print_info 1 "mount: ${BOOTDIR} mounted successfully!"
153 print_warning 1 "${BOLD}WARNING${NORMAL}: No mounted ${BOOTDIR} partition detected!"
154 print_warning 1 " Run ``mount ${BOOTDIR}`` to mount it!"
160 if isTrue ${MOUNTBOOT}
162 if ! mount -o remount,rw ${BOOTDIR}
164 print_warning 1 "${BOLD}WARNING${NORMAL}: Failed to remount ${BOOTDIR} RW!"
167 print_info 1 "mount: ${BOOTDIR} remounted read/write successfully!"
174 ## Check whether another Genkernel is running
175 #GENPIDS="`ps -C genkernel --no-headers -o pid | wc -l`"
176 #if [ "${GENPIDS}" -gt '3' ]
178 # [ "${GENPIDS}" -gt '4' ] && EX='s'
179 # print_warning 1 "${BOLD}WARNING${NORMAL}: Another Genkernel instance is running under"
180 # print_warning 1 " process ID${EX} " 0
181 # GENPIDS=`ps -C genkernel --no-headers -o pid`
182 # echo -n "${GENPIDS}" | sed -e "s/$$//; s/ /, /g"
185 # print_warning 1 'Running multiple genkernels on the same source tree will cause data loss!'
186 # print_info 1 "Press ^C to halt; ^D to continue [ ${BOLD}if${NORMAL} you know what you're doing! ]"
189 # TEMP=${TMPDIR-/tmp}
190 # TEMP=${TEMP}/genkernel.$RANDOM.$RANDOM.$RANDOM.$$
191 # print_info 1 'thread: Running multiple genkernels may cause problems!'
192 # print_info 1 "thread: Temporary files reallocated to ${TEMP}..."
197 if [ "${KERNCACHE}" != "" ]
199 gen_kerncache_is_valid
202 if [ ${BUILD_KERNEL} -eq '1' -a "${KERNCACHE_IS_VALID}" == "0" ]
208 if [ "${ARCH_HAVENOPREPARE}" = '' ]
210 compile_generic prepare kernel
213 # KV may have changed due to the configuration
219 if [ ${BUILD_MODULES} -eq '1' -a ${BUILD_STATIC} -eq '0' ]
224 if [ ${SAVE_CONFIG} -eq '1' ]
226 print_info 1 "Copying config for successful build to /etc/kernels/kernel-config-${ARCH}-${KV}"
227 [ ! -e '/etc/kernels' ] && mkdir -p /etc/kernels
228 cp "${KERNEL_DIR}/.config" "/etc/kernels/kernel-config-${ARCH}-${KV}"
232 if ! isTrue "${CMD_NOINSTALL}"
234 if [ "${KERNCACHE}" != "" -a "${KERNCACHE_IS_VALID}" != "0" ]
236 gen_kerncache_extract_kernel
240 if [ "${KERNCACHE}" != "" -a "${KERNCACHE_IS_VALID}" != "0" ]
242 [ ${BUILD_STATIC} -eq '0' ] && gen_kerncache_extract_modules
243 gen_kerncache_extract_config
247 if [ "${CMD_CALLBACK}" != "" ]
250 print_info 1 "Preparing to run callback: \"${CMD_CALLBACK}\"" 0
255 trap "CALLBACK_ESCAPE=1" TERM KILL INT QUIT ABRT
256 while [[ ${CALLBACK_ESCAPE} -eq '0' && ${CALLBACK_COUNT} -lt 5 ]]
258 sleep 1; echo -n '.';
259 let CALLBACK_COUNT=${CALLBACK_COUNT}+1
262 if [ "${CALLBACK_ESCAPE}" -eq '0' ]
266 eval ${CMD_CALLBACK} | tee -a ${LOGFILE}
267 CMD_STATUS="${PIPESTATUS[0]}"
269 print_info 1 "<<< Callback exit status: ${CMD_STATUS}"
270 [ "${CMD_STATUS}" -ne 0 ] && gen_die '--callback failed!'
273 print_info 1 ">>> Callback cancelled..."
275 trap - TERM KILL INT QUIT ABRT
279 if [ "${BUILD_RAMDISK}" -eq '1' ]
281 [ "${DISKLABEL}" -eq '1' ] && compile_e2fsprogs
283 if [ "${BUSYBOX}" -eq '1' ]
289 if isTrue "${UNIONFS}"
297 print_info 1 'initrd: Not building since only the kernel was requested...'
300 if isTrue "${INTEGRATED_INITRAMFS}" #|| [ ${BUILD_KERNEL} -eq '1' -a "${KERNCACHE_IS_VALID}" == "0" ]
302 # We build the kernel a second time to include the initramfs
306 [ "${KERNCACHE}" != "" ] && gen_kerncache
307 [ "${MINKERNPACKAGE}" != '' ] && gen_minkernpackage
308 [ "${MODULESPACKAGE}" != '' ] && gen_modulespackage
311 [ -n "${CTEMP}" ] && rm -rf "${TEMP}"
313 if [ "${BUILD_KERNEL}" -eq '1' ]
317 print_info 1 "Kernel compiled successfully!"
319 print_info 1 'Required Kernel Parameters:'
320 if [ "${BUILD_RAMDISK}" -eq '0' ]
322 print_info 1 ' root=/dev/$ROOT'
323 print_info 1 ' [ And "vga=0x317 splash=verbose" if you use a framebuffer ]'
325 print_info 1 ' Where $ROOT is the device node for your root partition as the'
326 print_info 1 ' one specified in /etc/fstab'
328 print_info 1 ' real_root=/dev/$ROOT'
330 print_info 1 ' Where $ROOT is the device node for your root partition as the'
331 print_info 1 ' one specified in /etc/fstab'
333 print_info 1 "If you require Genkernel's hardware detection features; you MUST"
334 print_info 1 'tell your bootloader to use the provided INITRAMFS file. Otherwise;'
335 print_info 1 'substitute the root argument for the real_root argument if you are'
336 print_info 1 'not planning to use the initramfs...'
340 if [ "${BUILD_RAMDISK}" -eq '1' ]
343 print_info 1 'WARNING... WARNING... WARNING...'
344 print_info 1 'Additional kernel cmdline arguments that *may* be required to boot properly...'
345 [ "${SPLASH}" -eq '1' ] && print_info 1 "add \"vga=791 splash=silent,theme:${SPLASH_THEME} console=tty1 quiet\" if you use a splash framebuffer ]"
346 [ "${LVM}" -eq '1' ] && print_info 1 'add "dolvm" for lvm support'
347 [ "${EVMS}" -eq '1' ] && print_info 1 'add "doevms" for evms support'
348 [ "${DMRAID}" -eq '1' ] && print_info 1 'add "dodmraid" for dmraid support'
349 [ "${DMRAID}" -eq '1' ] && print_info 1 ' or "dodmraid=<additional options>"'
352 [ "${BOOTRW}" != '' ] && mount -o remount,ro ${BOOTDIR}
355 print_info 1 'Do NOT report kernel bugs as genkernel bugs unless your bug'
356 print_info 1 'is about the default genkernel configuration...'
358 print_info 1 'Make sure you have the latest genkernel before reporting bugs.'