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# Copyright 1999-2003 Gentoo Technologies, Inc.
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/eclass/kernel.eclass,v 1.30 2003/07/23 18:03:31 lostlogic Exp $
#
# This eclass contains the common functions to be used by all lostlogic
# based kernel ebuilds
# with error handling contributions by gerk, and small fixes by zwelch
# small naming fix by kain
ECLASS=kernel
EXPORT_FUNCTIONS src_unpack src_compile src_install pkg_preinst pkg_postinst
# OKV=original kernel version, KV=patched kernel version. They can be the same.
[ -z "${OKV}" ] && \
OKV="`echo ${PV}|sed -e 's:^\([0-9]\+\.[0-9]\+\.[0-9]\+\).*:\1:'`"
if [ -z "${EXTRAVERSION}" ]; then
EXTRAVERSION="`echo ${PN}-${PV}-${PR} | \
sed -e 's:^\(.*\)-\(.*\)-[0-9]\+\.[0-9]\+\.[0-9]\+.r*\([0-9]\+\)\(_[^-_]\+\)\?\(-r[0-9]\+\)\?$:-\1-r\3\4:'`"
KV=${OKV}${EXTRAVERSION}
fi
S=${WORKDIR}/linux-${KV}
HOMEPAGE="http://www.kernel.org/ http://www.gentoo.org/"
LICENSE="GPL-2"
IUSE="${IUSE} doc tcltk"
if [ "${ETYPE}" = "sources" ]
then
#console-tools is needed to solve the loadkeys fiasco; binutils version needed to avoid Athlon/PIII/SSE assembler bugs.
DEPEND="!build? ( sys-apps/sed
>=sys-devel/binutils-2.11.90.0.31 )
app-admin/addpatches"
# This causes kernels to pull X when they really shouldn't
# doc? ( app-text/docbook-sgml-utils
# media-gfx/transfig )
RDEPEND="${DEPEND}
!build? ( >=sys-libs/ncurses-5.2
dev-lang/perl
virtual/modutils
sys-devel/make )"
# This also causes kernels to pull X when it shouldn't...
# tcltk? dev-lang/tk
PROVIDE="virtual/linux-sources"
elif [ "${ETYPE}" = "headers" ]
then
PROVIDE="virtual/kernel virtual/os-headers"
else
eerror "Unknown ETYPE=\"${ETYPE}\"!"
die
fi
[ -z "$LINUX_HOSTCFLAGS" ] && LINUX_HOSTCFLAGS="-Wall -Wstrict-prototypes -Os -fomit-frame-pointer -I${S}/include"
kernel_exclude() {
for mask in ${KERNEL_EXCLUDE}; do
for patch in *${mask}*; do
einfo "Excluding: ${patch}"
rm ${patch}
done
done
}
kernel_universal_unpack() {
echo "KV=${KV}" > /tmp/KV
find . -iname "*~" | xargs rm 2> /dev/null
# Gentoo Linux uses /boot, so fix 'make install' to work properly
# also fix the EXTRAVERSION
cd ${S}
mv Makefile Makefile.orig
sed -e 's:#export\tINSTALL_PATH:export\tINSTALL_PATH:' \
-e "s:^\(EXTRAVERSION =\).*:\1 ${EXTRAVERSION}:" \
Makefile.orig >Makefile || die # test, remove me if Makefile ok
rm Makefile.orig
cd ${S}/Documentation/DocBook
sed -e "s:db2:docbook2:g" Makefile > Makefile.new \
&& mv Makefile.new Makefile
cd ${S}
#This is needed on > 2.5
MY_ARCH=${ARCH}
unset ${ARCH}
#sometimes we have icky kernel symbols; this seems to get rid of them
make mrproper || die "make mrproper died"
ARCH=${MY_ARCH}
# this file is required for other things to build properly,
# so we autogenerate it
make include/linux/version.h || die "make include/linux/version.h failed"
}
kernel_src_unpack() {
kernel_exclude
/usr/bin/addpatches . ${WORKDIR}/linux-${KV} || \
die "Addpatches failed, bad KERNEL_EXCLUDE?"
kernel_universal_unpack
}
kernel_src_compile() {
if [ "$ETYPE" = "headers" ]
then
#This is needed on > 2.5
MY_ARCH=${ARCH}
unset ${ARCH}
yes "" | make oldconfig
ARCH=${MY_ARCH}
echo "Ignore any errors from the yes command above."
fi
}
kernel_src_install() {
#fix silly permissions in tarball
cd ${WORKDIR}
chown -R root:root *
chmod -R a+r-w+X,u+w *
cd ${S}
if [ "$ETYPE" = "sources" ]
then
dodir /usr/src
echo ">>> Copying sources..."
for file in `ls -1 ${WORKDIR}/${KV}/docs/`; do
echo "XX_${file}*" >> patches.txt
cat ${WORKDIR}/${KV}/docs/${file} >> patches.txt
done
dodoc patches.txt
mv ${WORKDIR}/linux* ${D}/usr/src
else
#linux-headers
dodir /usr/include/linux
cp -ax ${S}/include/linux/* ${D}/usr/include/linux
rm -rf ${D}/usr/include/linux/modules
dodir /usr/include/asm
cp -ax ${S}/include/asm/* ${D}/usr/include/asm
fi
}
kernel_pkg_preinst() {
if [ "$ETYPE" = "headers" ]
then
[ -L ${ROOT}usr/include/linux ] && rm ${ROOT}usr/include/linux
[ -L ${ROOT}usr/include/asm ] && rm ${ROOT}usr/include/asm
true
fi
}
kernel_pkg_postinst() {
[ "$ETYPE" = "headers" ] && return
if [ ! -e ${ROOT}usr/src/linux ]
then
rm -f ${ROOT}usr/src/linux
ln -sf linux-${KV} ${ROOT}/usr/src/linux
fi
einfo "After installing a new kernel of any version, it is important"
einfo "that you have the appropriate /etc/modules.autoload.d/kernel-X.Y"
einfo "created (X.Y is the first 2 parts of your new kernel version)"
}
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