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    Contents of /branches/R11-unstable/include/kernel.sminc

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    Revision 32899 - (show annotations) (download)
    Mon Apr 29 14:06:55 2019 UTC (4 years, 11 months ago) by niro
    File size: 14904 byte(s) 
    -release unstable
    1 # kernel global smage functions
    2 # $Id$
    3
    4 # needed extra vars:
    5 # ${KERNEL_TYPE}: needed, 'sources', 'headers' or 'image'
    6 # ${BRANCH}: needed, style branch of the kernel
    7 # ${KERNEL_CONFIG}: optional, needed if you want to override the default
    8 # searchpath ${SOURCEDIR}/${PNAME}/config-${PVER}-${BRANCH}-${PBUILD}
    9 #
    10 # ${PSUBVER}: optional, only needed for 2.6.x.x naming scheme
    11 # ${EXTRAVERSION}: optinal, extra version for the kernel name
    12 # default setting is ${PSUBVER}-${BRANCH}-${PBUILD}
    13 # ${KERNEL_IMAGE_PATH}: override the default KERNEL_IMAGE_PATH (to build xen images for e.g.)
    14 # ${COMPRESS_MODULES}: compresses the kernel modules with given compressor (gzip|bzip2|xz)
    15 # ${LINUX_FIRMWARE}: remove included firmware bits if requested
    16 # set the version here like USE_LINUX_FIRMARE="20110605"
    17 # version "internal" keeps the bits too
    18 #
    19 # ${INCLUDE_KERNELVERSION_FILE}: creates a /boot/kernelversion file (deprecated)
    20 # ${USE_KERNEL_SYMLINKS}: creates symlinks to unversioned kernel image files
    21 # - kernel-x.x.x.x -> /boot/vmlinuz
    22 # - initrd-x.x.x.x -> /boot/initrd
    23 # - config-x.x.x.x -> /boot/config
    24 # - System.map-x.x.x.x -> /boot/System.map
    25
    26 sminclude mtools
    27
    28 # remove me when all distris support this:
    29 if [[ ${USE_KERNEL_ARCH_EXTENSION} = true ]]
    30 then
    31 KERNEL_ARCH_EXTENSION="-${ARCH}"
    32 else
    33 KERNEL_ARCH_EXTENSION=""
    34 fi
    35
    36 if [[ ! -z ${COMPRESS_MODULES} ]]
    37 then
    38 case ${COMPRESS_MODULES} in
    39 gzip)
    40 COMPRESS_MODULES_CMD="gzip -9v"
    41 SDEPEND="${SDEPEND}
    42 >= app-arch/gzip-1.4"
    43 ;;
    44 bzip2)
    45 COMPRESS_MODULES_CMD="bzip2 -9v"
    46 SDEPEND="${SDEPEND}
    47 >= app-arch/bzip2-1.0.6"
    48 ;;
    49 xz)
    50 COMPRESS_MODULES_CMD="xz -9v"
    51 SDEPEND="${SDEPEND}
    52 >= app-arch/xz-5"
    53 ;;
    54 none)
    55 echo "Disabled compressed kernel-modules!"
    56 COMPRESS_MODULES_CMD=""
    57 ;;
    58 *) die "Unkown compression format '${COMPRESS_MODULES}'" ;;
    59 esac
    60 fi
    61
    62 # some sane defaults
    63 : ${PCAT="sys-kernel"}
    64 : ${HOMEPAGE="http://magellan-linux.de/"}
    65 : ${TARBALLPVER="${PVER}"}
    66 : ${SRCFILE="linux-${TARBALLPVER}.tar.xz"}
    67 : ${SRCDIR="${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}"}
    68
    69 if [[ -z ${SRC_URI[*]} ]]
    70 then
    71 SRC_URI=(
    72 http://www.kernel.org/pub/linux/kernel/v$(echo ${PVER} | cut -d. -f1).x/${SRCFILE}
    73 http://ftp.uni-erlangen.de/pub/Linux/MIRROR.kernel/v$(echo ${PVER} | cut -d. -f1).x/${SRCFILE}
    74 mirror://kernel-${BRANCH}/${SRCFILE}
    75 )
    76 case ${KERNEL_TYPE} in
    77 image|sources)
    78 SRC_URI=(
    79 ${SRC_URI[*]}
    80 mirror://kernel-${BRANCH}/config-${PVER}-${BRANCH}-${PBUILD}-i686
    81 mirror://kernel-${BRANCH}/config-${PVER}-${BRANCH}-${PBUILD}-x86_64
    82 )
    83 ;;
    84 esac
    85 fi
    86
    87 case ${PNAME} in
    88 *-lts) _upparam="longterm" ;;
    89 *) _upparam="stable" ;;
    90 esac
    91
    92 UP2DATE="updatecmd http://www.kernel.org/ | grep -A1 -i '${_upparam}:' | sed 's/.*:\ \([0-9]\.[0-9].*\)\ [0-9].*/\1/;q'"
    93
    94 case ${KERNEL_TYPE} in
    95 image)
    96 : ${PROVIDE="virtual/kernel"}
    97 : ${DEPEND=">= virtual/module-tools
    98 >= sys-fs/udev-115
    99 >= sys-apps/grubby-8.29-r1
    100 >= virtual/initramfs-tools
    101 >= virtual/initscripts"}
    102 if [[ ! -z ${LINUX_FIRMWARE} ]] && [[ ${LINUX_FIRMWARE} != internal ]]
    103 then
    104 DEPEND="${DEPEND}
    105 >= sys-kernel/linux-firmware-${LINUX_FIRMWARE}"
    106 fi
    107 SDEPEND="${SDEPEND}
    108 >= sys-dev/bc-1.06"
    109 : ${DESCRIPTION="Kernel image of the '${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}' kernel branch."}
    110 ;;
    111
    112 sources)
    113 : ${PROVIDE="virtual/kernel-sources"}
    114 : ${DESCRIPTION="Kernel sources of the '${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}' kernel branch."}
    115 ;;
    116
    117 headers)
    118 : ${PROVIDE="virtual/kernel-headers"}
    119 : ${DESCRIPTION="Sanitized kernel headers for libc."}
    120 ;;
    121 esac
    122
    123 EXTRAVERSION="${PSUBVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}"
    124 KERNEL_CONFIG="${SOURCEDIR}/${PNAME}/config-${PVER}-${BRANCH}-${PBUILD}-${ARCH}"
    125
    126 # special vars for mage file only
    127 KPVER="${PVER}"
    128 KPBUILD="${PBUILD}"
    129 KBRANCH="${BRANCH}"
    130 SPECIAL_VARS="${SPECIAL_VARS} KPVER KPBUILD KBRANCH USE_KERNEL_SYMLINKS"
    131
    132 # dummy function to apply kernel patches
    133 kernel_apply_patches()
    134 {
    135 return 0
    136 }
    137
    138 kernel_src_prepare()
    139 {
    140 munpack ${SRCFILE} || die
    141 mv ${BUILDDIR}/linux-${TARBALLPVER} ${SRCDIR} || die
    142
    143 # fix permissions
    144 chown -R 0:0 ${SRCDIR} || die
    145 chmod -R a+r-w+X,u+w ${SRCDIR} || die
    146
    147 cd ${SRCDIR}
    148 kernel_apply_patches || die
    149
    150 # fix permissions after the patchwork
    151 # gnu patch doesn't support git-style file mode
    152 if [ -e tools/objtool/sync-check.sh ]
    153 then
    154 chmod +x tools/objtool/sync-check.sh || die
    155 fi
    156
    157 # fixes INSTALL_PATH to /boot and EXTRAVERSION
    158 sed -i -e 's:#export\tINSTALL_PATH:export\tINSTALL_PATH:' \
    159 -e "s:^\(EXTRAVERSION =\).*:\1 ${EXTRAVERSION}:" Makefile || die
    160
    161 # fix sublevel version with 3.x kernels and higher
    162 local kver=$(echo ${PVER} | sed "s:\.::g")
    163 if [[ ${PVER%%.*} -gt 2 ]]
    164 then
    165 local sublevel="$(echo ${PVER} | cut -d. -f3)"
    166 sed -i "s:^\(SUBLEVEL =\).*:\1 ${sublevel}:" Makefile || die
    167 fi
    168 }
    169
    170 kernel_src_compile()
    171 {
    172 cd ${SRCDIR}
    173
    174 make mrproper || die
    175
    176 if [[ ${KERNEL_TYPE} = sources ]] || [[ ${KERNEL_TYPE} = image ]]
    177 then
    178 # inject our kernel config
    179 cp ${KERNEL_CONFIG} ${SRCDIR}/.config || die
    180 make ARCH=${ARCH/i*86/x86} oldconfig || die
    181 fi
    182
    183 case ${KERNEL_TYPE} in
    184 image)
    185 mmake ARCH=${ARCH/i*86/x86} || die
    186 ;;
    187
    188 headers)
    189 make ARCH=${ARCH/i*86/x86} headers_check || die
    190 ;;
    191
    192 sources)
    193 make clean || die
    194
    195 # needed to compile other programs like iptables
    196 make ARCH=${ARCH/i*86/x86} prepare || die
    197 # needed to cover >=2.6.14 builds
    198 # but deprecated with >=2.6.21, prepare cover all targets there
    199 local kver=$(echo ${PVER} | sed "s:\.::g")
    200 # honor >=3.0.x; add one zero
    201 if [[ ${PVER%%.*} -gt 2 ]]
    202 then
    203 kver="${kver}0"
    204 fi
    205 if [[ ${kver} < 2621 ]]
    206 then
    207 make ARCH=${ARCH/i*86/x86} prepare-all || die
    208 fi
    209 make ARCH=${ARCH/i*86/x86} scripts || die
    210
    211 # at least alsa-drivers needs this one ...
    212 touch include/linux/autoconf.h || die
    213
    214 # compat symlink for 3.7.x new version.h location until everything is fixed
    215 ;;
    216 esac
    217 }
    218
    219 kernel_image_src_install()
    220 {
    221 cd ${SRCDIR}
    222
    223 # needed directories
    224 minstalldir /boot || die
    225
    226 # install modules
    227 make ARCH=${ARCH/i*86/x86} INSTALL_MOD_PATH=${BINDIR}/usr modules_install || die
    228
    229 # install kernelimage
    230 if [[ -z ${KERNEL_IMAGE_PATH} ]]
    231 then
    232 local my_arch="${ARCH}"
    233 [[ ${my_arch} = i*86 ]] && my_arch=i386
    234 minstallfile arch/${my_arch}/boot/bzImage \
    235 /boot/kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    236 || die
    237 else
    238 minstallfile ${KERNEL_IMAGE_PATH} \
    239 /boot/kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    240 || die
    241 fi
    242
    243 # install System.map
    244 minstallfile System.map \
    245 /boot/System.map-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    246 || die
    247
    248 # install Module.symvers in boot and /usr/src
    249 minstallfile Module.symvers \
    250 /boot/Module.symvers-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    251 || die
    252 minstalldir /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} || die
    253 minstallfile Module.symvers \
    254 /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    255 || die
    256
    257 if [[ ${INCLUDE_KERNELVERSION_FILE} = true ]]
    258 then
    259 MCONFIG=/boot/kernelversion
    260 # install kernel description
    261 mclearconfig || die
    262 maddconfig "KRNVER=${BRANCH}-${PVER}-${ARCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}" || die
    263 maddconfig "KRNLIB=${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}" || die
    264 maddconfig "KRNIMG=kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}" || die
    265 maddconfig "KRNINITRD=" || die
    266 fi
    267
    268 # install kernel-config from srcdir
    269 minstallfile .config \
    270 /boot/config-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    271 || die
    272
    273 # fix build symlink
    274 if [ -L ${BINDIR}/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build ]
    275 then
    276 echo "fixing build symlink"
    277 rm ${BINDIR}/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build || die
    278 mlink /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    279 /usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build \
    280 || die
    281 fi
    282
    283 # and fixing source symlink
    284 if [ -L ${BINDIR}/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source ]
    285 then
    286 echo "fixing source symlink"
    287 rm ${BINDIR}/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source || die
    288 mlink /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    289 /usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source \
    290 || die
    291 fi
    292
    293 # remove firmware bits if $LINUX_FIRMWARE was set
    294 if [[ ! -z ${LINUX_FIRMWARE} ]] && [[ ${LINUX_FIRMWARE} != internal ]]
    295 then
    296 if [[ -d ${BINDIR}/usr/lib/firmware ]]
    297 then
    298 rm -rv ${BINDIR}/usr/lib/firmware
    299 fi
    300 fi
    301
    302 # compress modules if COMPRESS_MODULES_CMD was set
    303 if [[ ! -z ${COMPRESS_MODULES_CMD} ]]
    304 then
    305 # compress all kernel modules
    306 find ${BINDIR} -name \*.ko | xargs ${COMPRESS_MODULES_CMD} || die
    307 fi
    308 }
    309
    310 kernel_headers_src_install()
    311 {
    312 cd ${SRCDIR}
    313 make ARCH=${ARCH/i*86/x86} INSTALL_HDR_PATH=${BINDIR}/usr headers_install || die
    314
    315 # clean-up unnecessary files
    316 find ${BINDIR} -name .install -or -name ..install.cmd | xargs --no-run-if-empty rm -f
    317 }
    318
    319 kernel_sources_src_install()
    320 {
    321 cd ${BUILDDIR}
    322
    323 echo "Creating linux-${PVER}-${BRANCH}-${PBUILD} sources tarball ... "
    324 tar cvjf ${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 $(basename ${SRCDIR}) || die
    325
    326 echo "Moving linux-${PVER}-${BRANCH}-${PBUILD} tarball to \${BINDIR}/usr/src ... "
    327 minstalldir /usr/src || die
    328 mv ${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 ${BINDIR}/usr/src || die
    329 }
    330
    331 # installs module-sources path/to/SRCDIR to MODDIR/MODNAME
    332 # kernel_external_modules_install path/to/SRCDIR DESTDIRNAME
    333 kernel_external_modules_install()
    334 {
    335 cd ${BUILDDIR}
    336
    337 local modsrc="$1"
    338 local moddest="$2"
    339 local moddir="${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}"
    340
    341 echo "Installing ${modsrc} to ${moddir}/${moddest} ..."
    342 install -d ${moddir} || die
    343 mv ${modsrc} ${moddir}/${moddest} || die
    344 }
    345
    346 kernel_external_modules_tarball()
    347 {
    348 cd ${BUILDDIR}
    349
    350 echo "Creating kernel-modules-${PVER}-${BRANCH}-${PBUILD} sources tarball ... "
    351 tar cvjf ${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 \
    352 kernel-modules-${PVER}-${BRANCH}-${PBUILD} || die
    353
    354 echo "Moving kernel-modules-${PVER}-${BRANCH}-${PBUILD} tarball to \${BINDIR}/usr/src ... "
    355 minstalldir /usr/src || die
    356 mv ${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 ${BINDIR}/usr/src || die
    357 }
    358
    359 kernel_src_install()
    360 {
    361 case ${KERNEL_TYPE} in
    362 image)
    363 kernel_image_src_install || die
    364 ;;
    365
    366 headers)
    367 kernel_headers_src_install || die
    368 ;;
    369
    370 sources)
    371 kernel_sources_src_install || die
    372 ;;
    373 esac
    374 }
    375
    376 kernel_major_version()
    377 {
    378 local ksrc="$@"
    379 local kv
    380
    381 if [[ -z ${ksrc} ]]
    382 then
    383 kv="$(uname -r|cut -d. -f1-2)"
    384 else
    385 local version
    386 local patchlevel
    387
    388 # get version from makefile
    389 version=$(grep "^VERSION[[:space:]]*=[[:space:]]*[[:digit:]]" ${ksrc}/Makefile | sed "s/^.*=[[:space:]]*\([[:digit:]]\+\)/\1/g")
    390 # get patchlevel from makefile
    391 patchlevel=$(grep "^PATCHLEVEL[[:space:]]*=[[:space:]]*[[:digit:]]" ${ksrc}/Makefile | sed "s/^.*=[[:space:]]*\([[:digit:]]\+\)/\1/g")
    392 # kernelversion
    393 kv="${version}.${patchlevel}"
    394 fi
    395
    396 echo "${kv}"
    397 }
    398
    399 mod_suffix()
    400 {
    401 local ksrc="$@"
    402 local mod_suffix
    403 local kmv
    404
    405 kmv=$(kernel_major_version ${ksrc})
    406 if [[ ${kmv//.} -ge 26 ]]
    407 then
    408 mod_suffix="ko"
    409 else
    410 mod_suffix="o"
    411 fi
    412
    413 echo ${mod_suffix}
    414 }
    415
    416 kernel_image_preinstall()
    417 {
    418 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    419 then
    420 mount /boot &> /dev/null
    421 fi
    422 }
    423
    424 kernel_image_preremove()
    425 {
    426 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    427 then
    428 mount /boot &> /dev/null
    429
    430 # remove old image entry from grub
    431 new-kernel-pkg -v --rminitrd --rmmoddep --remove ${KPVER}-${KBRANCH}-${KPBUILD}
    432 fi
    433 }
    434
    435 kernel_image_postinstall()
    436 {
    437 [ ! -d ${MROOT}/sys ] && install -d ${MROOT}/sys
    438
    439 # fixes a small glitch in <=mage-0.3.6-r15 with symlinks
    440 [ -f ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} ] && \
    441 rm ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}
    442
    443 [ -x ${MROOT}/sbin/depmod ] &&
    444 ${MROOT}/sbin/depmod -ae \
    445 -F /boot/System.map-${KPVER}-${KBRANCH}-${KPBUILD} \
    446 ${KPVER}-${KBRANCH}-${KPBUILD}
    447
    448 # do not run this if ${MROOT} is set !
    449 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    450 then
    451 new-kernel-pkg -v --mkinitrd --dracut --make-default --install ${KPVER}-${KBRANCH}-${KPBUILD}
    452 fi
    453
    454 if [[ ${USE_KERNEL_SYMLINKS} = true ]]
    455 then
    456 # symlink actual kernel to /boot/vmlinuz etc...
    457 ln -snf kernel-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/vmlinuz
    458 ln -snf System.map-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/System.map
    459 ln -snf config-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/config
    460 [[ -f ${MROOT}/boot/initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ]] &&
    461 ln -snf initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ${MROOT}/boot/initrd
    462 fi
    463 }
    464
    465 kernel_sources_postinstall()
    466 {
    467 # check for linux-VERSION/include as the kernel-image installs
    468 # the file Modules.symver in the linux-VERSION directory
    469 if mqueryfeature "kernelsrcunpack" &&
    470 [ ! -d ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}/include ]
    471 then
    472 echo "Unpacking linux-${KPVER}-${KBRANCH}-${KPBUILD} source tarball ... "
    473 tar xvjf ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 -C ${MROOT}/usr/src
    474 fi
    475
    476 if mqueryfeature "kernelsrcunpack" &&
    477 [ ! -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ] &&
    478 [ -f ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 ]
    479 then
    480 echo "Unpacking kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} source tarball ... "
    481 tar xvjf ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 -C ${MROOT}/usr/src
    482 fi
    483
    484 # create linux symlink
    485 if mqueryfeature "linuxsymlink"
    486 then
    487 echo "Creating linux -> linux-${KPVER}-${KBRANCH}-${KPBUILD} symlink ... "
    488 [ ! -d ${MROOT}/usr/src ] && install ${MROOT}/usr/src
    489 ln -snf ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} \
    490 ${MROOT}/usr/src/linux || die
    491 fi
    492
    493 # create kernel-modules symlink
    494 if mqueryfeature "linuxsymlink" &&
    495 [ -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ]
    496 then
    497 echo "Creating kernel-modules -> kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} symlink ... "
    498 [ ! -d ${MROOT}/usr/src ] && install ${MROOT}/usr/src
    499 ln -snf ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} \
    500 ${MROOT}/usr/src/kernel-modules || die
    501 fi
    502 }
    503
    504 export_inherits kernel src_prepare src_compile src_install
    505
    506 # export pre/postinstall functions depending on KERNEL_TYPE
    507 case ${KERNEL_TYPE} in
    508 image)
    509 export_inherits kernel_image preinstall preremove postinstall
    510 SPECIAL_FUNCTIONS="${SPECIAL_FUNCTIONS} kernel_image_preinstall kernel_image_preremove kernel_image_postinstall"
    511 ;;
    512 sources)
    513 export_inherits kernel_sources postinstall
    514 SPECIAL_FUNCTIONS="${SPECIAL_FUNCTIONS} kernel_sources_postinstall"
    515 ;;
    516 esac