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    Contents of /smage/trunk/include/kernel.sminc

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    Revision 2938 - (show annotations) (download)
    Tue Sep 6 18:52:10 2011 UTC (12 years, 8 months ago) by niro
    File size: 10834 byte(s) 
    -honor 3.x naming scheme
-use virtual/initscript in dependencies
-fixed SRC_URI (kernel26 -> kernel)
    1 # kernel global smage functions
    2 # $Id$
    3
    4 # needed extra vars:
    5 # ${KERNEL_TYPE}: needed, 'sources' 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
    15 sminclude mtools
    16
    17 # remove me when all distris support this:
    18 if [[ ${USE_KERNEL_ARCH_EXTENSION} = true ]]
    19 then
    20 KERNEL_ARCH_EXTENSION="-${ARCH}"
    21 else
    22 KERNEL_ARCH_EXTENSION=""
    23 fi
    24
    25 # some sane defaults
    26 : ${SRCFILE="linux-${PVER/${PSUBVER}/}.tar.bz2"}
    27 : ${SRCDIR="${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}"}
    28
    29 : ${SRC_URI=(
    30 http://www.kernel.org/pub/linux/kernel/v${PVER%%.*}/${SRCFILE}
    31 mirror://kernel-${BRANCH}/${SRCFILE}
    32 mirror://kernel-${BRANCH}/config-${PVER}-${BRANCH}-${PBUILD}-i686
    33 mirror://kernel-${BRANCH}/config-${PVER}-${BRANCH}-${PBUILD}-x86_64
    34 )}
    35
    36 : ${DEPEND=">= sys-apps/module-init-tools-3.2
    37 >= sys-fs/udev-115
    38 >= sys-apps/mkinitrd-5.0.8
    39 >= virtual/initscripts"}
    40
    41 : ${PROVIDE="virtual/kernel"}
    42
    43 EXTRAVERSION="${PSUBVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}"
    44 KERNEL_CONFIG="${SOURCEDIR}/${PNAME}/config-${PVER}-${BRANCH}-${PBUILD}-${ARCH}"
    45
    46 # special vars for mage file only
    47 KPVER="${PVER}"
    48 KPBUILD="${PBUILD}"
    49 KBRANCH="${BRANCH}"
    50 SPECIAL_VARS="${SPECIAL_VARS} KPVER KPBUILD KBRANCH"
    51
    52 kernel_src_prepare()
    53 {
    54 munpack ${SRCFILE} || die
    55 mv ${BUILDDIR}/linux-${PVER/${PSUBVER}/} ${SRCDIR} || die
    56
    57 # fix permissions
    58 chown -R 0:0 ${SRCDIR} || die
    59 chmod -R a+r-w+X,u+w ${SRCDIR} || die
    60
    61 cd ${SRCDIR}
    62
    63 # fixes INSTALL_PATH to /boot and EXTRAVERSION
    64 sed -i -e 's:#export\tINSTALL_PATH:export\tINSTALL_PATH:' \
    65 -e "s:^\(EXTRAVERSION =\).*:\1 ${EXTRAVERSION}:" Makefile || die
    66 }
    67
    68 kernel_src_compile()
    69 {
    70 cd ${SRCDIR}
    71
    72 make mrproper || die
    73
    74 # inject our kernel config
    75 cp ${KERNEL_CONFIG} ${SRCDIR}/.config || die
    76 make ARCH=${ARCH/i*86/x86} oldconfig || die
    77
    78 case ${KERNEL_TYPE} in
    79 image)
    80 mmake ARCH=${ARCH/i*86/x86} || die
    81 ;;
    82
    83 sources)
    84 make clean || die
    85
    86 # needed to compile other programs like iptables
    87 make ARCH=${ARCH/i*86/x86} prepare || die
    88 # needed to cover >=2.6.14 builds
    89 # but deprecated with >=2.6.21, prepare cover all targets there
    90 local kver=$(echo ${PVER} | sed "s:\.::g")
    91 # honor >=3.0.x; add one zero
    92 if [[ ${PVER%%.*} -gt 2 ]]
    93 then
    94 kver="${kver}0"
    95 fi
    96 if [[ ${kver} < 2621 ]]
    97 then
    98 make ARCH=${ARCH/i*86/x86} prepare-all || die
    99 fi
    100 make ARCH=${ARCH/i*86/x86} scripts || die
    101
    102 # at least alsa-drivers needs this one ...
    103 touch include/linux/autoconf.h || die
    104 ;;
    105 esac
    106 }
    107
    108 kernel_image_src_install()
    109 {
    110 cd ${SRCDIR}
    111
    112 # needed directories
    113 minstalldir /boot || die
    114
    115 # install modules
    116 make ARCH=${ARCH/i*86/x86} INSTALL_MOD_PATH=${BINDIR} modules_install || die
    117
    118 # install kernelimage
    119 if [[ -z ${KERNEL_IMAGE_PATH} ]]
    120 then
    121 local my_arch="${ARCH}"
    122 [[ ${my_arch} = i*86 ]] && my_arch=i386
    123 minstallfile arch/${my_arch}/boot/bzImage \
    124 /boot/kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    125 || die
    126 else
    127 minstallfile ${KERNEL_IMAGE_PATH} \
    128 /boot/kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    129 || die
    130 fi
    131
    132 # install System.map
    133 minstallfile System.map \
    134 /boot/System.map-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    135 || die
    136
    137 # install Module.symvers in boot and /usr/src
    138 minstallfile Module.symvers \
    139 /boot/Module.symvers-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    140 || die
    141 minstalldir /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} || die
    142 minstallfile Module.symvers \
    143 /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    144 || die
    145
    146 # install kernel description
    147 echo "
    148 KRNVER=${BRANCH}-${PVER}-${ARCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
    149 KRNLIB=${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
    150 KRNIMG=kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
    151 KRNINITRD=
    152 " > ${BINDIR}/boot/kernelversion || die
    153
    154 # install kernel-config from srcdir
    155 minstallfile .config \
    156 /boot/config-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION} \
    157 || die
    158
    159 # fix build symlink
    160 if [ -L ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build ]
    161 then
    162 echo "fixing build symlink"
    163 rm ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build || die
    164 mlink /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    165 /lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build \
    166 || die
    167 fi
    168
    169 # and fixing source symlink
    170 if [ -L ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source ]
    171 then
    172 echo "fixing source symlink"
    173 rm ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source || die
    174 mlink /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
    175 /lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source \
    176 || die
    177 fi
    178 }
    179
    180 kernel_sources_src_install()
    181 {
    182 cd ${BUILDDIR}
    183
    184 echo "Creating linux-${PVER}-${BRANCH}-${PBUILD} sources tarball ... "
    185 tar cvjf ${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 $(basename ${SRCDIR}) || die
    186
    187 echo "Moving linux-${PVER}-${BRANCH}-${PBUILD} tarball to \${BINDIR}/usr/src ... "
    188 minstalldir /usr/src || die
    189 mv ${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 ${BINDIR}/usr/src || die
    190 }
    191
    192 # installs module-sources path/to/SRCDIR to MODDIR/MODNAME
    193 # kernel_external_modules_install path/to/SRCDIR DESTDIRNAME
    194 kernel_external_modules_install()
    195 {
    196 cd ${BUILDDIR}
    197
    198 local modsrc="$1"
    199 local moddest="$2"
    200 local moddir="${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}"
    201
    202 echo "Installing ${modsrc} to ${moddir}/${moddest} ..."
    203 install -d ${moddir} || die
    204 mv ${modsrc} ${moddir}/${moddest} || die
    205 }
    206
    207 kernel_external_modules_tarball()
    208 {
    209 cd ${BUILDDIR}
    210
    211 echo "Creating kernel-modules-${PVER}-${BRANCH}-${PBUILD} sources tarball ... "
    212 tar cvjf ${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 \
    213 kernel-modules-${PVER}-${BRANCH}-${PBUILD} || die
    214
    215 echo "Moving kernel-modules-${PVER}-${BRANCH}-${PBUILD} tarball to \${BINDIR}/usr/src ... "
    216 minstalldir /usr/src || die
    217 mv ${BUILDDIR}/kernel-modules-${PVER}-${BRANCH}-${PBUILD}.tar.bz2 ${BINDIR}/usr/src || die
    218 }
    219
    220 kernel_src_install()
    221 {
    222 case ${KERNEL_TYPE} in
    223 image)
    224 kernel_image_src_install || die
    225 ;;
    226
    227 sources)
    228 kernel_sources_src_install || die
    229 ;;
    230 esac
    231 }
    232
    233 kernel_major_version()
    234 {
    235 local ksrc="$@"
    236 local kv
    237
    238 if [[ -z ${ksrc} ]]
    239 then
    240 kv="$(uname -r|cut -d. -f1-2)"
    241 else
    242 local version
    243 local patchlevel
    244
    245 # get version from makefile
    246 version=$(grep "^VERSION[[:space:]]*=[[:space:]]*[[:digit:]]" ${ksrc}/Makefile | sed "s/^.*=[[:space:]]*\([[:digit:]]\+\)/\1/g")
    247 # get patchlevel from makefile
    248 patchlevel=$(grep "^PATCHLEVEL[[:space:]]*=[[:space:]]*[[:digit:]]" ${ksrc}/Makefile | sed "s/^.*=[[:space:]]*\([[:digit:]]\+\)/\1/g")
    249 # kernelversion
    250 kv="${version}.${patchlevel}"
    251 fi
    252
    253 echo "${kv}"
    254 }
    255
    256 mod_suffix()
    257 {
    258 local ksrc="$@"
    259 local mod_suffix
    260 local kmv
    261
    262 kmv=$(kernel_major_version ${ksrc})
    263 if [[ ${kmv//.} -ge 26 ]]
    264 then
    265 mod_suffix="ko"
    266 else
    267 mod_suffix="o"
    268 fi
    269
    270 echo ${mod_suffix}
    271 }
    272
    273 kernel_image_preinstall()
    274 {
    275 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    276 then
    277 mount /boot &> /dev/null
    278 fi
    279 }
    280
    281 kernel_image_preremove()
    282 {
    283 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    284 then
    285 mount /boot &> /dev/null
    286 fi
    287 }
    288
    289 kernel_image_postremove()
    290 {
    291 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    292 then
    293 # remove old image entry from grub
    294 new-kernel-pkg -v --rminitrd --remove ${KPVER}-${KBRANCH}-${KPBUILD}
    295 fi
    296 }
    297
    298 kernel_image_postinstall()
    299 {
    300 [ ! -d ${MROOT}/sys ] && install -d ${MROOT}/sys
    301
    302 # fixes a small glitch in <=mage-0.3.6-r15 with symlinks
    303 [ -f ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} ] && \
    304 rm ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}
    305
    306 [ -x ${MROOT}/sbin/depmod ] &&
    307 ${MROOT}/sbin/depmod -ae \
    308 -F /boot/System.map-${KPVER}-${KBRANCH}-${KPBUILD} \
    309 ${KPVER}-${KBRANCH}-${KPBUILD}
    310
    311 # do not run this if ${MROOT} is set !
    312 if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
    313 then
    314 new-kernel-pkg -v --mkinitrd --make-default --install ${KPVER}-${KBRANCH}-${KPBUILD}
    315 fi
    316
    317 # symlink actual kernel to /boot/vmlinuz etc...
    318 ln -snf kernel-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/vmlinuz
    319 ln -snf System.map-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/System.map
    320 ln -snf config-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/config
    321 [[ -f ${MROOT}/boot/initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ]] &&
    322 ln -snf initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ${MROOT}/boot/initrd
    323 }
    324
    325 kernel_sources_postinstall()
    326 {
    327 # check for linux-VERSION/include as the kernel-image installs
    328 # the file Modules.symver in the linux-VERSION directory
    329 if [ ! -d ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}/include ]
    330 then
    331 echo "Unpacking linux-${KPVER}-${KBRANCH}-${KPBUILD} source tarball ... "
    332 tar xvjf ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 -C ${MROOT}/usr/src
    333 fi
    334
    335 if [ ! -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ] &&
    336 [ -f ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 ]
    337 then
    338 echo "Unpacking kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} source tarball ... "
    339 tar xvjf ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 -C ${MROOT}/usr/src
    340 fi
    341
    342 # if not exist create linux symlink
    343 if [ ! -h ${MROOT}/usr/src/linux ]
    344 then
    345 echo "Creating linux -> linux-${KPVER}-${KBRANCH}-${KPBUILD} symlink ... "
    346 [ ! -d ${MROOT}/usr/src ] && install ${MROOT}/usr/src
    347 ln -snf ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD} \
    348 ${MROOT}/usr/src/linux || die
    349 fi
    350
    351 # if not exist create kernel-modules symlink
    352 if [ ! -h ${MROOT}/usr/src/kernel-modules ] &&
    353 [ -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ]
    354 then
    355 echo "Creating kernel-modules -> kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} symlink ... "
    356 [ ! -d ${MROOT}/usr/src ] && install ${MROOT}/usr/src
    357 ln -snf ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} \
    358 ${MROOT}/usr/src/kernel-modules || die
    359 fi
    360 }
    361
    362 export_inherits kernel src_prepare src_compile src_install
    363
    364 # export pre/postinstall functions depending on KERNEL_TYPE
    365 case ${KERNEL_TYPE} in
    366 image)
    367 export_inherits kernel_image preinstall preremove postinstall postremove
    368 SPECIAL_FUNCTIONS="${SPECIAL_FUNCTIONS} kernel_image_preinstall kernel_image_preremove kernel_image_postinstall kernel_image_postremove"
    369 ;;
    370 sources)
    371 export_inherits kernel_sources postinstall
    372 SPECIAL_FUNCTIONS="${SPECIAL_FUNCTIONS} kernel_sources_postinstall"
    373 ;;
    374 esac