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Annotation of /trunk/include/kernel.sminc

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Revision 33338 - (hide annotations) (download)
Wed Jul 12 20:16:24 2023 UTC (10 months ago) by niro
File size: 14952 byte(s)
-disabled headers_check
1 niro 9311 # kernel global smage functions
2     # $Id$
3    
4     # needed extra vars:
5 niro 11369 # ${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 niro 9311 #
10 niro 11369 # ${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 niro 18719 # ${INCLUDE_KERNELVERSION_FILE}: creates a /boot/kernelversion file (deprecated)
20 niro 18720 # ${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 niro 9311
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 niro 9466 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 niro 9311 # some sane defaults
63 niro 9863 : ${PCAT="sys-kernel"}
64 niro 9311 : ${HOMEPAGE="http://magellan-linux.de/"}
65 niro 9743 : ${TARBALLPVER="${PVER}"}
66 niro 20887 : ${SRCFILE="linux-${TARBALLPVER}.tar.xz"}
67 niro 9311 : ${SRCDIR="${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}"}
68    
69 niro 9740 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 niro 9311
87 niro 20887 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 niro 9311 case ${KERNEL_TYPE} in
95     image)
96     : ${PROVIDE="virtual/kernel"}
97 niro 10194 : ${DEPEND=">= virtual/module-tools
98 niro 9311 >= sys-fs/udev-115
99 niro 22123 >= sys-apps/grubby-8.29-r1
100 niro 10194 >= virtual/initramfs-tools
101 niro 9311 >= virtual/initscripts"}
102 niro 11369 if [[ ! -z ${LINUX_FIRMWARE} ]] && [[ ${LINUX_FIRMWARE} != internal ]]
103     then
104     DEPEND="${DEPEND}
105     >= sys-kernel/linux-firmware-${LINUX_FIRMWARE}"
106     fi
107 niro 18718 SDEPEND="${SDEPEND}
108 niro 33243 >= sys-dev/bc-1.06
109     >= sys-dev/bison-3
110     >= sys-dev/flex-2.6"
111 niro 9745 : ${DESCRIPTION="Kernel image of the '${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}' kernel branch."}
112 niro 9311 ;;
113    
114     sources)
115     : ${PROVIDE="virtual/kernel-sources"}
116 niro 9745 : ${DESCRIPTION="Kernel sources of the '${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}' kernel branch."}
117 niro 9311 ;;
118    
119     headers)
120     : ${PROVIDE="virtual/kernel-headers"}
121     : ${DESCRIPTION="Sanitized kernel headers for libc."}
122     ;;
123     esac
124    
125     EXTRAVERSION="${PSUBVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}"
126     KERNEL_CONFIG="${SOURCEDIR}/${PNAME}/config-${PVER}-${BRANCH}-${PBUILD}-${ARCH}"
127    
128     # special vars for mage file only
129     KPVER="${PVER}"
130     KPBUILD="${PBUILD}"
131     KBRANCH="${BRANCH}"
132 niro 18720 SPECIAL_VARS="${SPECIAL_VARS} KPVER KPBUILD KBRANCH USE_KERNEL_SYMLINKS"
133 niro 9311
134 niro 18717 # dummy function to apply kernel patches
135     kernel_apply_patches()
136     {
137     return 0
138     }
139    
140 niro 9311 kernel_src_prepare()
141     {
142     munpack ${SRCFILE} || die
143 niro 9743 mv ${BUILDDIR}/linux-${TARBALLPVER} ${SRCDIR} || die
144 niro 9311
145     # fix permissions
146     chown -R 0:0 ${SRCDIR} || die
147     chmod -R a+r-w+X,u+w ${SRCDIR} || die
148    
149     cd ${SRCDIR}
150 niro 18717 kernel_apply_patches || die
151 niro 9311
152 niro 30421 # fix permissions after the patchwork
153     # gnu patch doesn't support git-style file mode
154     if [ -e tools/objtool/sync-check.sh ]
155     then
156     chmod +x tools/objtool/sync-check.sh || die
157     fi
158    
159 niro 9311 # fixes INSTALL_PATH to /boot and EXTRAVERSION
160     sed -i -e 's:#export\tINSTALL_PATH:export\tINSTALL_PATH:' \
161     -e "s:^\(EXTRAVERSION =\).*:\1 ${EXTRAVERSION}:" Makefile || die
162 niro 9463
163     # fix sublevel version with 3.x kernels and higher
164     local kver=$(echo ${PVER} | sed "s:\.::g")
165     if [[ ${PVER%%.*} -gt 2 ]]
166     then
167     local sublevel="$(echo ${PVER} | cut -d. -f3)"
168 niro 13438 sed -i "s:^\(SUBLEVEL =\).*:\1 ${sublevel}:" Makefile || die
169 niro 9463 fi
170 niro 9311 }
171    
172     kernel_src_compile()
173     {
174     cd ${SRCDIR}
175    
176     make mrproper || die
177    
178     if [[ ${KERNEL_TYPE} = sources ]] || [[ ${KERNEL_TYPE} = image ]]
179     then
180     # inject our kernel config
181     cp ${KERNEL_CONFIG} ${SRCDIR}/.config || die
182     make ARCH=${ARCH/i*86/x86} oldconfig || die
183     fi
184    
185     case ${KERNEL_TYPE} in
186     image)
187     mmake ARCH=${ARCH/i*86/x86} || die
188     ;;
189    
190 niro 33338 # headers)
191     # make ARCH=${ARCH/i*86/x86} headers_check || die
192     # ;;
193 niro 9311
194     sources)
195     make clean || die
196    
197     # needed to compile other programs like iptables
198     make ARCH=${ARCH/i*86/x86} prepare || die
199     # needed to cover >=2.6.14 builds
200     # but deprecated with >=2.6.21, prepare cover all targets there
201     local kver=$(echo ${PVER} | sed "s:\.::g")
202     # honor >=3.0.x; add one zero
203     if [[ ${PVER%%.*} -gt 2 ]]
204     then
205     kver="${kver}0"
206     fi
207     if [[ ${kver} < 2621 ]]
208     then
209     make ARCH=${ARCH/i*86/x86} prepare-all || die
210     fi
211     make ARCH=${ARCH/i*86/x86} scripts || die
212    
213     # at least alsa-drivers needs this one ...
214     touch include/linux/autoconf.h || die
215 niro 20887
216     # compat symlink for 3.7.x new version.h location until everything is fixed
217 niro 9311 ;;
218     esac
219     }
220    
221     kernel_image_src_install()
222     {
223     cd ${SRCDIR}
224    
225     # needed directories
226     minstalldir /boot || die
227    
228     # install modules
229 niro 12741 make ARCH=${ARCH/i*86/x86} INSTALL_MOD_PATH=${BINDIR}/usr modules_install || die
230 niro 9311
231     # install kernelimage
232     if [[ -z ${KERNEL_IMAGE_PATH} ]]
233     then
234     local my_arch="${ARCH}"
235     [[ ${my_arch} = i*86 ]] && my_arch=i386
236     minstallfile arch/${my_arch}/boot/bzImage \
237     /boot/kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
238     || die
239     else
240     minstallfile ${KERNEL_IMAGE_PATH} \
241     /boot/kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
242     || die
243     fi
244    
245     # install System.map
246     minstallfile System.map \
247     /boot/System.map-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
248     || die
249    
250     # install Module.symvers in boot and /usr/src
251     minstallfile Module.symvers \
252     /boot/Module.symvers-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
253     || die
254     minstalldir /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} || die
255     minstallfile Module.symvers \
256     /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
257     || die
258    
259 niro 18719 if [[ ${INCLUDE_KERNELVERSION_FILE} = true ]]
260     then
261     MCONFIG=/boot/kernelversion
262     # install kernel description
263     mclearconfig || die
264     maddconfig "KRNVER=${BRANCH}-${PVER}-${ARCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}" || die
265     maddconfig "KRNLIB=${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}" || die
266     maddconfig "KRNIMG=kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}" || die
267     maddconfig "KRNINITRD=" || die
268     fi
269 niro 9311
270     # install kernel-config from srcdir
271     minstallfile .config \
272     /boot/config-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
273     || die
274    
275     # fix build symlink
276 niro 12741 if [ -L ${BINDIR}/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build ]
277 niro 9311 then
278     echo "fixing build symlink"
279 niro 12741 rm ${BINDIR}/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build || die
280 niro 9311 mlink /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
281 niro 12741 /usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build \
282 niro 9311 || die
283     fi
284    
285     # and fixing source symlink
286 niro 12741 if [ -L ${BINDIR}/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source ]
287 niro 9311 then
288     echo "fixing source symlink"
289 niro 12741 rm ${BINDIR}/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source || die
290 niro 9311 mlink /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
291 niro 12741 /usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source \
292 niro 9311 || die
293     fi
294 niro 9466
295     # remove firmware bits if $LINUX_FIRMWARE was set
296     if [[ ! -z ${LINUX_FIRMWARE} ]] && [[ ${LINUX_FIRMWARE} != internal ]]
297     then
298 niro 12741 if [[ -d ${BINDIR}/usr/lib/firmware ]]
299 niro 9466 then
300 niro 12741 rm -rv ${BINDIR}/usr/lib/firmware
301 niro 9466 fi
302     fi
303    
304     # compress modules if COMPRESS_MODULES_CMD was set
305     if [[ ! -z ${COMPRESS_MODULES_CMD} ]]
306     then
307     # compress all kernel modules
308     find ${BINDIR} -name \*.ko | xargs ${COMPRESS_MODULES_CMD} || die
309     fi
310 niro 9311 }
311    
312     kernel_headers_src_install()
313     {
314     cd ${SRCDIR}
315     make ARCH=${ARCH/i*86/x86} INSTALL_HDR_PATH=${BINDIR}/usr headers_install || die
316 niro 9746
317     # clean-up unnecessary files
318     find ${BINDIR} -name .install -or -name ..install.cmd | xargs --no-run-if-empty rm -f
319 niro 9311 }
320    
321     kernel_sources_src_install()
322     {
323     cd ${BUILDDIR}
324    
325     echo "Creating linux-${PVER}-${BRANCH}-${PBUILD} sources tarball ... "
326     tar cvjf ${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 $(basename ${SRCDIR}) || die
327    
328     echo "Moving linux-${PVER}-${BRANCH}-${PBUILD} tarball to \${BINDIR}/usr/src ... "
329     minstalldir /usr/src || die
330     mv ${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 ${BINDIR}/usr/src || die
331     }
332    
333     # installs module-sources path/to/SRCDIR to MODDIR/MODNAME
334     # kernel_external_modules_install path/to/SRCDIR DESTDIRNAME
335     kernel_external_modules_install()
336     {
337     cd ${BUILDDIR}
338    
339     local modsrc="$1"
340     local moddest="$2"
341     local moddir="${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}"
342    
343     echo "Installing ${modsrc} to ${moddir}/${moddest} ..."
344     install -d ${moddir} || die
345     mv ${modsrc} ${moddir}/${moddest} || die
346     }
347    
348     kernel_external_modules_tarball()
349     {
350     cd ${BUILDDIR}
351    
352     echo "Creating kernel-modules-${PVER}-${BRANCH}-${PBUILD} sources tarball ... "
353     tar cvjf ${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 \
354     kernel-modules-${PVER}-${BRANCH}-${PBUILD} || die
355    
356     echo "Moving kernel-modules-${PVER}-${BRANCH}-${PBUILD} tarball to \${BINDIR}/usr/src ... "
357     minstalldir /usr/src || die
358     mv ${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 ${BINDIR}/usr/src || die
359     }
360    
361     kernel_src_install()
362     {
363     case ${KERNEL_TYPE} in
364     image)
365     kernel_image_src_install || die
366     ;;
367    
368     headers)
369     kernel_headers_src_install || die
370     ;;
371    
372     sources)
373     kernel_sources_src_install || die
374     ;;
375     esac
376     }
377    
378     kernel_major_version()
379     {
380     local ksrc="$@"
381     local kv
382    
383     if [[ -z ${ksrc} ]]
384     then
385     kv="$(uname -r|cut -d. -f1-2)"
386     else
387     local version
388     local patchlevel
389    
390     # get version from makefile
391     version=$(grep "^VERSION[[:space:]]*=[[:space:]]*[[:digit:]]" ${ksrc}/Makefile | sed "s/^.*=[[:space:]]*\([[:digit:]]\+\)/\1/g")
392     # get patchlevel from makefile
393     patchlevel=$(grep "^PATCHLEVEL[[:space:]]*=[[:space:]]*[[:digit:]]" ${ksrc}/Makefile | sed "s/^.*=[[:space:]]*\([[:digit:]]\+\)/\1/g")
394     # kernelversion
395     kv="${version}.${patchlevel}"
396     fi
397    
398     echo "${kv}"
399     }
400    
401     mod_suffix()
402     {
403     local ksrc="$@"
404     local mod_suffix
405     local kmv
406    
407     kmv=$(kernel_major_version ${ksrc})
408     if [[ ${kmv//.} -ge 26 ]]
409     then
410     mod_suffix="ko"
411     else
412     mod_suffix="o"
413     fi
414    
415     echo ${mod_suffix}
416     }
417    
418     kernel_image_preinstall()
419     {
420     if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
421     then
422     mount /boot &> /dev/null
423     fi
424     }
425    
426     kernel_image_preremove()
427     {
428     if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
429     then
430     mount /boot &> /dev/null
431    
432     # remove old image entry from grub
433 niro 13880 new-kernel-pkg -v --rminitrd --rmmoddep --remove ${KPVER}-${KBRANCH}-${KPBUILD}
434 niro 9311 fi
435     }
436    
437     kernel_image_postinstall()
438     {
439     [ ! -d ${MROOT}/sys ] && install -d ${MROOT}/sys
440    
441     # fixes a small glitch in <=mage-0.3.6-r15 with symlinks
442     [ -f ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} ] && \
443     rm ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}
444    
445     [ -x ${MROOT}/sbin/depmod ] &&
446     ${MROOT}/sbin/depmod -ae \
447     -F /boot/System.map-${KPVER}-${KBRANCH}-${KPBUILD} \
448     ${KPVER}-${KBRANCH}-${KPBUILD}
449    
450     # do not run this if ${MROOT} is set !
451     if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
452     then
453 niro 30422 new-kernel-pkg -v --mkinitrd --dracut --make-default --install ${KPVER}-${KBRANCH}-${KPBUILD}
454 niro 9311 fi
455    
456 niro 18720 if [[ ${USE_KERNEL_SYMLINKS} = true ]]
457     then
458     # symlink actual kernel to /boot/vmlinuz etc...
459     ln -snf kernel-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/vmlinuz
460     ln -snf System.map-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/System.map
461     ln -snf config-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/config
462     [[ -f ${MROOT}/boot/initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ]] &&
463     ln -snf initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ${MROOT}/boot/initrd
464     fi
465 niro 9311 }
466    
467     kernel_sources_postinstall()
468     {
469     # check for linux-VERSION/include as the kernel-image installs
470     # the file Modules.symver in the linux-VERSION directory
471 niro 11362 if mqueryfeature "kernelsrcunpack" &&
472     [ ! -d ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}/include ]
473 niro 9311 then
474     echo "Unpacking linux-${KPVER}-${KBRANCH}-${KPBUILD} source tarball ... "
475     tar xvjf ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 -C ${MROOT}/usr/src
476     fi
477    
478 niro 11362 if mqueryfeature "kernelsrcunpack" &&
479     [ ! -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ] &&
480 niro 9311 [ -f ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 ]
481     then
482     echo "Unpacking kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} source tarball ... "
483     tar xvjf ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 -C ${MROOT}/usr/src
484     fi
485    
486 niro 11362 # create linux symlink
487     if mqueryfeature "linuxsymlink"
488 niro 9311 then
489     echo "Creating linux -> linux-${KPVER}-${KBRANCH}-${KPBUILD} symlink ... "
490     [ ! -d ${MROOT}/usr/src ] && install ${MROOT}/usr/src
491     ln -snf ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} \
492     ${MROOT}/usr/src/linux || die
493     fi
494    
495 niro 11362 # create kernel-modules symlink
496     if mqueryfeature "linuxsymlink" &&
497 niro 9311 [ -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ]
498     then
499     echo "Creating kernel-modules -> kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} symlink ... "
500     [ ! -d ${MROOT}/usr/src ] && install ${MROOT}/usr/src
501     ln -snf ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} \
502     ${MROOT}/usr/src/kernel-modules || die
503     fi
504     }
505    
506     export_inherits kernel src_prepare src_compile src_install
507    
508     # export pre/postinstall functions depending on KERNEL_TYPE
509     case ${KERNEL_TYPE} in
510     image)
511 niro 18721 export_inherits kernel_image preinstall preremove postinstall
512     SPECIAL_FUNCTIONS="${SPECIAL_FUNCTIONS} kernel_image_preinstall kernel_image_preremove kernel_image_postinstall"
513 niro 9311 ;;
514     sources)
515     export_inherits kernel_sources postinstall
516     SPECIAL_FUNCTIONS="${SPECIAL_FUNCTIONS} kernel_sources_postinstall"
517     ;;
518     esac