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# Copyright 1999-2004 Gentoo Technologies, Inc.
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/sys-kernel/linux-headers/linux-headers-2.4.16-r3.ebuild,v 1.19 2004/03/14 06:42:18 seemant Exp $
#OKV=original kernel version, KV=patched kernel version. They can be the same.
#we use this next variable to avoid duplicating stuff on cvs
GFILESDIR=${PORTDIR}/sys-kernel/linux-sources/files
OKV=${PV}
KV=${OKV}
S=${WORKDIR}/linux-${KV}
S2=${WORKDIR}/linux-${KV}-extras
LICENSE="GPL-2"
SLOT="0"
KEYWORDS="x86 -ppc"
# Patch versions. We now have a new system. To enable a patch, set the patch version. To disable
# a patch, comment out the patch version and it won't be enabled. In this ebuild, ACPI, low latency
# and preempt patches are enabled, but MOSIX is not.
#XFS patch
XFSV=20011214
#ACPI patch
ACPIV=20011120
#Low latency patch
#LOWLV=2.4.16
#Preemptive kernel patch
PREEV="${KV}-2"
#Lock-break patch
LBPV="${KV}-3"
#Bridge/netfilter compatibility patch
BNFV="0.0.4-against-2.4.16"
#MOSIX patch
#MOSV=1.5.2
DESCRIPTION="Linux kernel version ${KV} - full sources"
PATCHES=""
SRC_URI="http://www.de.kernel.org/pub/linux/kernel/v2.4/linux-${OKV}.tar.bz2"
[ "$MOSV" ] && { SRC_URI="$SRC_URI http://www.mosix.cs.huji.ac.il/ftps/MOSIX-${MOSV}.tar.gz"; PATCHES="$PATCHES ${S2}/MOSIX-${MOSV}/patches.${OKV}"; }
[ "$ACPIV" ] && { SRC_URI="$SRC_URI http://developer.intel.com/technology/iapc/acpi/downloads/acpi-${ACPIV}.diff.gz"; PATCHES="$PATCHES ${DISTDIR}/acpi-${ACPIV}.diff.gz"; }
[ "$LOWLV" ] && { SRC_URI="$SRC_URI http://www.zip.com.au/~akpm/linux/${LOWLV}-low-latency.patch.gz"; PATCHES="$PATCHES ${DISTDIR}/${LOWLV}-low-latency.patch.gz"; }
[ "$PREEV" ] && { SRC_URI="$SRC_URI mirror://kernel/linux/kernel/people/rml/preempt-kernel/v2.4/preempt-kernel-rml-${PREEV}.patch" PATCHES="$PATCHES ${DISTDIR}/preempt-kernel-rml-${PREEV}.patch"; }
[ "$LBPV" ] && { SRC_URI="$SRC_URI mirror://kernel/linux/kernel/people/rml/lock-break/v2.4/lock-break-rml-${LBPV}.patch" PATCHES="$PATCHES ${DISTDIR}/lock-break-rml-${LBPV}.patch"; }
[ "$XFSV" ] && { SRC_URI="$SRC_URI mirror://gentoo/XFS-${XFSV}.patch.bz2" PATCHES="$PATCHES ${DISTDIR}/XFS-${XFSV}.patch.bz2"; }
[ "$BNFV" ] && { SRC_URI="$SRC_URI http://bridge.sourceforge.net/devel/bridge-nf/bridge-nf-${BNFV}.diff" PATCHES="$PATCHES ${DISTDIR}/bridge-nf-${BNFV}.diff"; }
PROVIDE="virtual/kernel virtual/os-headers"
HOMEPAGE="http://www.kernel.org/ http://www.namesys.com http://www.sistina.com/lvm/ http://developer.intel.com/technology/iapc/acpi/"
if [ $PN = "linux-sources" ] && [ -z "`use build`" ]
then
#sys-apps/kbd is needed to solve the loadkeys fiasco.
#binutils version needed to avoid Athlon/PIII/SSE assembler bugs.
DEPEND=">=sys-devel/binutils-2.11.92.0.12.3 sys-apps/kbd virtual/modutils dev-lang/perl"
RDEPEND=">=sys-libs/ncurses-5.2"
fi
[ -z "$LINUX_HOSTCFLAGS" ] && LINUX_HOSTCFLAGS="-Wall -Wstrict-prototypes -O2 -fomit-frame-pointer -I${S}/include"
patchorama() {
local x
for x in ${*}
do
[ -d "$x" ] && continue
echo ">>> Applying ${x}..."
if [ "${x##*.}" = "bz2" ]
then
cat $x | bzip2 -d | patch -p1 -l
elif [ "${x##*.}" = "gz" ]
then
cat $x | gzip -d | patch -p1 -l
else
patch -p1 -l < $x
fi
done
}
src_unpack() {
mkdir ${S2}
cd ${WORKDIR}
unpack linux-${OKV}.tar.bz2
mv linux linux-${KV} || die
dodir /usr/src/linux-${KV}-extras
if [ "$MOSIX" ]
then
cd ${S2}
tar -xz --no-same-owner -f ${DISTDIR}/MOSIX-${MOSV}.tar.gz MOSIX-${MOSV}/patches.${OKV}
fi
cd ${S}
# the linux-2.4.16-binutils.patch fixes a compile problem in the kernel (uses binutils incorrectly).
# This triggers an error when binutils 2.11.92.0.12.3 is installed. This particular problem is fixed
# in kernel 2.4.17.
patchorama ${FILESDIR}/linux-2.4.16-binutils.patch $PATCHES
#echo "Fixing up a single reject..."
#This is a reject related to both low latency and XFS's kdb modifying the same enum. No biggie.
#cp ${GFILESDIR}/sysctl.h ${S}/include/linux
echo "Removing -xfs extension from the kernel..."
cp Makefile Makefile.orig
sed -e 's:EXTRAVERSION =-xfs:EXTRAVERSION =:g' Makefile.orig > Makefile
echo "Preparing for compilation..."
#sometimes we have icky kernel symbols; this seems to get rid of them
make mrproper || die
#linux-sources needs to be fully configured, too. This is the configuration for the default kernel
cp ${S}/arch/i386/defconfig .config || die
yes "" | make oldconfig
echo "Ignore any errors from the yes command above."
#fix silly permissions in tarball
cd ${WORKDIR}
chown -R 0:0 *
chmod -R a+r-w+X,u+w *
# Gentoo Linux uses /boot, so fix 'make install' to work properly; seems they cant make up their mind if it should be a space or tab
cd ${S}
mv Makefile Makefile.orig
sed -e 's/#export\tINSTALL_PATH/export\tINSTALL_PATH/' \
Makefile.orig >Makefile || die # test, remove me if Makefile ok
rm Makefile.orig
}
src_compile() {
if [ "${PN}" = "linux-headers" ]
then
cd ${S}
make include/linux/autoconf.h include/linux/version.h || die
fi
}
src_install() {
if [ "$PN" = "linux-sources" ]
then
dodir /usr/src
cd ${S}
echo ">>> Copying sources..."
cp -ax ${WORKDIR}/* ${D}/usr/src
elif [ "$PN" = "linux-headers" ]
then
dodir /usr/include/linux
cp -ax ${S}/include/linux/* ${D}/usr/include/linux
dodir /usr/include/asm
cp -ax ${S}/include/asm-i386/* ${D}/usr/include/asm
fi
if [ -d ${D}/usr/src/linux-${KV} ]
then
cd ${D}/usr/src/linux-${KV}
if [ -e .config ]
then
mv .config .config.eg
fi
fi
}
pkg_preinst() {
if [ "$PN" = "linux-headers" ]
then
if [ -L ${ROOT}usr/include/linux ]
then
rm ${ROOT}usr/include/linux
fi
if [ -L ${ROOT}usr/include/asm ]
then
rm ${ROOT}usr/include/asm
fi
fi
}
pkg_postinst() {
[ "$PN" = "linux-headers" ] && return
rm -f ${ROOT}/usr/src/linux
ln -sf linux-${KV} ${ROOT}/usr/src/linux
#copy over our .config if one isn't already present
cd ${ROOT}/usr/src/linux-${KV}
if [ "${PN}" = "linux-sources" ] && [ -e .config.eg ] && [ ! -e .config ]
then
cp -a .config.eg .config
fi
}
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