Fabio Erculiani
246 lines
6.9 KiB
Bash
246 lines
6.9 KiB
Bash
# Copyright 2004-2009 Sabayon Project
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# Distributed under the terms of the GNU General Public License v2
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# $
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# @ECLASS-VARIABLE: K_SABPATCHES_VER
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# @DESCRIPTION:
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# The version of the sabayon patches tarball(s) to apply.
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# A value of "5" would apply 2.6.12-5 to my-sources-2.6.12.ebuild
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# @ECLASS-VARIABLE: K_SABKERNEL_NAME
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# @DESCRIPTION:
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# The kernel name used by the ebuild, it should be the ending ${PN} part
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# for example, of linux-sabayon it is "sabayon", for linux-server it is "server"
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K_SABKERNEL_NAME="${K_SABKERNEL_NAME:-sabayon}"
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# @ECLASS-VARIABLE: K_KERNEL_SOURCES_PKG
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# @DESCRIPTION:
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# The kernel sources package used to build this kernel binary
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K_KERNEL_SOURCES_PKG="${K_KERNEL_SOURCES_PKG:-${CATEGORY}/${PN}-sources-${PVR}}"
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K_ONLY_SOURCES="${K_ONLY_SOURCES:-}"
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KERN_INITRAMFS_SEARCH_NAME="${KERN_INITRAMFS_SEARCH_NAME:-initramfs-genkernel*${K_SABKERNEL_NAME}}"
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inherit eutils kernel-2 sabayon-artwork mount-boot linux-mod
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# from kernel-2 eclass
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detect_version
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detect_arch
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# export all the available functions here
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EXPORT_FUNCTIONS pkg_setup src_unpack src_compile src_install pkg_preinst pkg_postinst pkg_postrm
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DESCRIPTION="Sabayon Linux kernel functions and phases"
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## kernel-2 eclass settings
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K_NOSETEXTRAVERSION="1"
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if [ -n "${K_SABPATCHES_VER}" ]; then
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UNIPATCH_STRICTORDER="yes"
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K_SABPATCHES_PKG="${PV}-${K_SABPATCHES_VER}.tar.bz2"
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UNIPATCH_LIST="${DISTFILES}/${K_SABPATCHES_PKG}"
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fi
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# ebuild default values setup settings
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KV_FULL=${KV_FULL/linux/${K_SABKERNEL_NAME}}
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MY_KERNEL_DIR="/usr/src/linux-${KV_FULL}"
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KV_OUT_DIR="${MY_KERNEL_DIR}"
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S="${WORKDIR}/linux-${KV_FULL}"
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SLOT="${PV}"
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EXTRAVERSION=${EXTRAVERSION/linux/${K_SABKERNEL_NAME}}
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HOMEPAGE="http://www.sabayon.org"
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SRC_URI="${KERNEL_URI}
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http://distfiles.sabayonlinux.org/${CATEGORY}/linux-sabayon-patches/${K_SABPATCHES_PKG}"
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if [ -n "${K_ONLY_SOURCES}" ]; then
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IUSE="${IUSE}"
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DEPEND="${DEPEND}"
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RDEPEND="${RDEPEND}"
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else
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IUSE="splash dmraid grub"
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DEPEND="${DEPEND}
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app-arch/xz-utils
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<sys-kernel/genkernel-3.4.11
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splash? ( x11-themes/sabayon-artwork-core )"
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# FIXME: when grub-legacy will be removed, remove sys-boot/grub-handler
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RDEPEND="grub? ( || ( sys-boot/grub:2 ( sys-boot/grub:0 sys-boot/grub-handler ) ) )
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sys-apps/sed"
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fi
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sabayon-kernel_pkg_setup() {
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# do not run linux-mod-pkg_setup
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einfo "Preparing to build the kernel and its modules"
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}
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sabayon-kernel_src_unpack() {
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kernel-2_src_unpack
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cd "${S}"
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# manually set extraversion
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sed -i -e "s:^\(EXTRAVERSION =\).*:\1 ${EXTRAVERSION}:" Makefile
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}
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sabayon-kernel_src_compile() {
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# disable sandbox
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export SANDBOX_ON=0
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export LDFLAGS=""
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# creating workdirs
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mkdir "${WORKDIR}"/lib
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mkdir "${WORKDIR}"/cache
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mkdir "${S}"/temp
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# needed anyway, even if grub use flag is not used here
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mkdir -p "${WORKDIR}"/boot/grub
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einfo "Starting to compile kernel..."
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cp "${FILESDIR}/${PF/-r0/}-${ARCH}.config" "${WORKDIR}"/config || die "cannot copy kernel config"
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# do some cleanup
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rm -rf "${WORKDIR}"/lib
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rm -rf "${WORKDIR}"/cache
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rm -rf "${S}"/temp
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OLDARCH="${ARCH}"
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unset ARCH
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cd "${S}"
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GK_ARGS="--disklabel"
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use splash && GKARGS="${GKARGS} --splash=sabayon"
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use dmraid && GKARGS="${GKARGS} --dmraid"
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export DEFAULT_KERNEL_SOURCE="${S}"
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export CMD_KERNEL_DIR="${S}"
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DEFAULT_KERNEL_SOURCE="${S}" CMD_KERNEL_DIR="${S}" genkernel ${GKARGS} \
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--kerneldir="${S}" \
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--kernel-config="${WORKDIR}"/config \
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--cachedir="${WORKDIR}"/cache \
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--makeopts=-j3 \
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--tempdir="${S}"/temp \
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--logfile="${WORKDIR}"/genkernel.log \
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--bootdir="${WORKDIR}"/boot \
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--mountboot \
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--lvm \
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--luks \
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--disklabel \
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--module-prefix="${WORKDIR}"/lib \
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all || die "genkernel failed"
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ARCH=${OLDARCH}
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}
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sabayon-kernel_src_install() {
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dodir "${MY_KERNEL_DIR}"
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insinto "${MY_KERNEL_DIR}"
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cp "${FILESDIR}/${PF/-r0/}-${OLDARCH}.config" .config
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doins ".config" || die "cannot copy kernel config"
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doins Makefile || die "cannot copy Makefile"
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doins Module.symvers || die "cannot copy Module.symvers"
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doins System.map || die "cannot copy System.map"
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# NOTE: this is a workaround caused by linux-info.eclass not
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# being ported to EAPI=2 yet
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local version_h_name="usr/src/linux-${KV_FULL}/include/linux"
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local version_h="${ROOT}${version_h_name}/version.h"
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if [ -f "${version_h}" ]; then
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einfo "Discarding previously installed version.h to avoid collisions"
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addwrite "${version_h}"
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rm -f "${version_h}"
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fi
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# Include include/linux/version.h to make Portage happy
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dodir "${MY_KERNEL_DIR}/include/linux"
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insinto "${MY_KERNEL_DIR}/include/linux"
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doins "${S}/include/linux/version.h" || die "cannot copy version.h"
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insinto "/boot"
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doins "${WORKDIR}"/boot/*
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cp -Rp "${WORKDIR}"/lib/* "${D}/"
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dosym "../../..${MY_KERNEL_DIR}" "/lib/modules/${KV_FULL}/source" || die "cannot install source symlink"
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dosym "../../..${MY_KERNEL_DIR}" "/lib/modules/${KV_FULL}/build" || die "cannot install build symlink"
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addwrite "/lib/firmware"
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# Workaround kernel issue with colliding
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# firmwares across different kernel versions
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for fwfile in `find "${D}/lib/firmware" -type f`; do
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sysfile="${ROOT}${fwfile/${D}}"
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if [ -f "${sysfile}" ]; then
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ewarn "Removing duplicated: ${sysfile}"
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rm -f "${sysfile}"
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fi
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done
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}
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sabayon-kernel_pkg_preinst() {
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mount-boot_mount_boot_partition
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linux-mod_pkg_preinst
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UPDATE_MODULEDB=false
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}
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sabayon-kernel_grub2_mkconfig() {
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if [ -x "${ROOT}sbin/grub-mkconfig" ]; then
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"${ROOT}sbin/grub-mkdevicemap" --device-map="${ROOT}boot/grub/device.map"
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"${ROOT}sbin/grub-mkconfig" -o "${ROOT}boot/grub/grub.cfg"
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fi
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}
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sabayon-kernel_pkg_postinst() {
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fstab_file="${ROOT}etc/fstab"
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einfo "Removing extents option for ext4 drives from ${fstab_file}"
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# Remove "extents" from /etc/fstab
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if [ -f "${fstab_file}" ]; then
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sed -i '/ext4/ s/extents//g' "${fstab_file}"
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fi
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# Update kernel initramfs to match user customizations
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update_sabayon_kernel_initramfs_splash
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# Add kernel to grub.conf
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if use grub; then
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if use amd64; then
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local kern_arch="x86_64"
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else
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local kern_arch="x86"
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fi
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# grub-legacy
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"${ROOT}/usr/sbin/grub-handler" add \
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"/boot/kernel-genkernel-${kern_arch}-${KV_FULL}" \
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"/boot/initramfs-genkernel-${kern_arch}-${KV_FULL}"
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sabayon-kernel_grub2_mkconfig
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fi
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kernel-2_pkg_postinst
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linux-mod_pkg_postinst
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elog "Please report kernel bugs at:"
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elog "http://bugs.sabayonlinux.org"
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elog "The source code of this kernel is located at"
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elog "=${K_KERNEL_SOURCES_PKG}."
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elog "Sabayon Linux recommends that portage users install"
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elog "${K_KERNEL_SOURCES_PKG} if you want"
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elog "to build any packages that install kernel modules"
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elog "(such as ati-drivers, nvidia-drivers, virtualbox, etc...)."
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}
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sabayon-kernel_pkg_postrm() {
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# Add kernel to grub.conf
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if use grub; then
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if use amd64; then
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local kern_arch="x86_64"
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else
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local kern_arch="x86"
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fi
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/usr/sbin/grub-handler remove \
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"/boot/kernel-genkernel-${kern_arch}-${KV_FULL}" \
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"/boot/initramfs-genkernel-${kern_arch}-${KV_FULL}"
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sabayon-kernel_grub2_mkconfig
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fi
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linux-mod_pkg_postrm
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}
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