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# Copyright 1999-2005 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/sys-kernel/linux-headers/linux-headers-2.4.21-r1.ebuild,v 1.16 2005/01/12 02:09:16 vapier Exp $
ETYPE="headers"
inherit kernel eutils
IUSE=""
OKV=${PV/_/-}
KV="${OKV}"
S=${WORKDIR}/linux-${OKV}
EXTRAVERSION=""
# What's in this kernel?
# INCLUDED:
# 1) linux sources from kernel.org
# 2) patch for big-endian machines to fix header issue (currently sparc only)
DESCRIPTION="Linux ${OKV} headers from kernel.org"
SRC_URI="mirror://kernel/linux/kernel/v2.4/linux-${OKV}.tar.bz2"
HOMEPAGE="http://www.kernel.org/ http://www.gentoo.org/"
LICENSE="GPL-2"
SLOT="0"
PROVIDE="virtual/kernel virtual/os-headers"
KEYWORDS="-* amd64 sparc x86 -mips s390"
DEPEND="!virtual/os-headers
sparc? ( gcc64? ( sys-devel/gcc-sparc64 ) )"
pkg_setup() {
# Figure out what architecture we are, and set ARCH appropriately
ARCH="$(uname -m)"
ARCH="$(echo ${ARCH} | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ -e s/arm.*/arm/ -e s/sa110/arm/)"
[ "$ARCH" == "sparc" -a "$PROFILE_ARCH" == "sparc64" ] && ARCH=sparc64
# Archs which have their own separate header packages, add a check here
# and redirect the user to them
case "${ARCH}" in
mips|mips64|hppa)
eerror "These headers are not appropriate for your architecture."
eerror "Please use sys-kernel/${ARCH/64/}-headers instead."
die
;;
esac
}
src_unpack() {
unpack ${A}
cd ${S}
# Big Endian architectures need this patch in order to build certain programs properly
# Right now, this fix only affects sparc. Other big-endian archs will need to edit this if they need it.
# Issue will be fixed in 2.4.23+ kernel series (issue has been fixed in 2.6.0).
# Closes Bug #26062
if use sparc; then
epatch ${FILESDIR}/bigendian-byteorder-fix.patch
fi
# This patch fixes an issue involving the use of gcc's -ansi flag and the __u64 datatype.
# It only patches asm-i386, so we only apply it if x86. Unknown if this is needed for other archs.
# Closes Bug #32246
if use x86; then
epatch ${FILESDIR}/${PN}-strict-ansi-fix.patch
fi
# Do Stuff
kernel_universal_unpack
}
src_compile() {
# Do normal src_compile stuff
kernel_src_compile
# If this is sparc, then generate asm_offsets.h
if use sparc; then
make ARCH=${ARCH} dep || die "Failed to run 'make dep'"
fi
}
src_install() {
# Do normal src_install stuff
kernel_src_install
# If this is sparc, then we need to place asm_offsets.h in the proper location(s)
if [ "${PROFILE_ARCH}" = "sparc64" ]; then
# We don't need /usr/include/asm, generate-asm-sparc will take care of this
rm -Rf ${D}/usr/include/asm
# We do need empty directories, though...
dodir /usr/include/asm
dodir /usr/include/asm-sparc
dodir /usr/include/asm-sparc64
# Copy asm-sparc and asm-sparc64
cp -ax ${S}/include/asm-sparc/* ${D}/usr/include/asm-sparc
cp -ax ${S}/include/asm-sparc64/* ${D}/usr/include/asm-sparc64
# Check if generate-asm-sparc exists
if [ -a "${FILESDIR}/generate-asm-sparc" ]; then
# Copy generate-asm-sparc into the sandox
cp ${FILESDIR}/generate-asm-sparc ${WORKDIR}/generate-asm-sparc
# Just in case generate-asm-sparc isn't executable, make it so
if [ ! -x "${WORKDIR}/generate-asm-sparc" ]; then
chmod +x ${WORKDIR}/generate-asm-sparc
fi
# Generate /usr/include/asm for sparc systems
${WORKDIR}/generate-asm-sparc ${D}/usr/include
else
eerror "${FILESDIR}/generate-asm-sparc doesn't exist!"
die
fi
fi
}
pkg_preinst() {
kernel_pkg_preinst
}
pkg_postinst() {
kernel_pkg_postinst
einfo "Kernel headers are usually only used when recompiling glibc, as such, following the installation"
einfo "of newer headers, it is advised that you re-merge glibc as follows:"
einfo "emerge glibc"
einfo "Failure to do so will cause glibc to not make use of newer features present in the updated kernel"
einfo "headers."
}
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