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# Copyright 1999-2007 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/dev-libs/klibc/klibc-1.4.12.ebuild,v 1.2 2007/07/02 14:54:32 peper Exp $
inherit eutils linux-info multilib
# Klibc has no PT_GNU_STACK support, so scanning for execstacks is moot
QA_EXECSTACK="*"
export CTARGET=${CTARGET:-${CHOST}}
if [[ ${CTARGET} == ${CHOST} ]] ; then
if [[ ${CATEGORY/cross-} != ${CATEGORY} ]] ; then
export CTARGET=${CATEGORY/cross-}
fi
fi
DESCRIPTION="A minimal libc subset for use with initramfs."
HOMEPAGE="http://www.zytor.com/mailman/listinfo/klibc"
SRC_URI="ftp://ftp.kernel.org/pub/linux/libs/klibc/${P}.tar.bz2
ftp://ftp.kernel.org/pub/linux/libs/klibc/Stable/${P}.tar.bz2
ftp://ftp.kernel.org/pub/linux/libs/klibc/Testing/${P}.tar.bz2"
LICENSE="|| ( GPL-2 LGPL-2 )"
# Mips patches needs updating ...
KEYWORDS="~amd64 -mips ~ppc ~x86"
IUSE="debug n32"
RESTRICT="strip"
DEPEND="dev-lang/perl
virtual/linux-sources"
RDEPEND="dev-lang/perl"
if [[ ${CTARGET} != ${CHOST} ]] ; then
SLOT="${CTARGET}"
else
SLOT="0"
fi
is_cross() { [[ ${CHOST} != ${CTARGET} ]] ; }
guess_arch() {
local x
local host=$(echo "${CTARGET%%-*}" | sed -e 's/i.86/i386/' \
-e 's/sun4u/sparc64/' \
-e 's/arm.*/arm/' \
-e 's/sa110/arm/' \
-e 's/powerpc/ppc/')
# Sort reverse so that we will get ppc64 before ppc, etc
for x in $(ls -1 "${S}/usr/include/arch/" | sort -r) ; do
if [[ ${host} == "${x}" ]] ; then
echo "${x}"
return 0
fi
done
return 1
}
pkg_setup() {
# Make sure kernel sources are OK
# (Override for linux-mod eclass)
check_kernel_built
}
src_unpack() {
unpack ${A}
if [[ ! -d /usr/${CTARGET} ]] ; then
echo
eerror "It does not look like your cross-compiler is setup properly!"
die "It does not look like your cross-compiler is setup properly!"
fi
einfo "CTARGET = $CTARGET"
if ! guess_arch &>/dev/null ; then
echo
eerror "Could not guess klibc's ARCH from your CTARGET!"
die "Could not guess klibc's ARCH from your CTARGET!"
fi
kernel_arch=$(readlink "${KV_OUT_DIR}/include/asm" | sed -e 's:asm-::' | \
sed -e 's/powerpc/ppc/')
if [[ ${kernel_arch} != $(guess_arch) ]] ; then
echo
eerror "Your kernel sources are not configured for your chosen arch!"
eerror "(KERNEL_ARCH=\"${kernel_arch}\", ARCH=\"$(guess_arch)\")"
die "Your kernel sources are not configured for your chosen arch!"
fi
cd ${S}
# Add our linux source tree symlink
ln -snf ${KV_DIR} linux
# Some reason .config has outdated mtime
touch ${S}/.config
# We do not want all the nice prelink warnings
# NOTE: for amd64, we might change below to '/usr/$(get_libdir)/klibc',
# but I do not do it right now, as the build system do not support
# the lib64 yet ....
cat > "${S}/70klibc" <<-EOF
PRELINK_PATH_MASK="/usr/lib/klibc"
EOF
# Export the NOSTDINC_FLAGS to ensure -nostdlib is passed, bug #120678
# NOTE: Disabling this for now, as klibc have -fno-stack-protector. Will
# enable it again if there is still issues.
#epatch "${FILESDIR}/${PN}"-1.4.7-nostdinc-flags.patch
# Build interp.o with EXTRA_KLIBCAFLAGS (.S source)
epatch "${FILESDIR}/${PN}"-1.4.11-interp-flags.patch
# klibc detects mips64 systems as having 64bit userland
# Force them to 32bit userlands instead
if ! use n32; then
epatch "${FILESDIR}/${PN}"-1.4.9-mips32.patch
fi
# Linker path is awry
# NB: Still needed ???
#epatch "${FILESDIR}/${PN}"-1.1.16-mips-ldpaths.patch
}
src_compile() {
local myargs
[[ ${KV_DIR} != "${KV_OUT_DIR}" ]] && \
myargs="KLIBCKERNELOBJ='${KV_OUT_DIR}/' KBUILD_SRC='1'"
use debug && myargs="${myargs} V=1"
if is_cross ; then
einfo "ARCH = \"$(guess_arch)\""
einfo "CROSS = \"${CTARGET}-\""
emake ARCH=$(guess_arch) \
CROSS="${CTARGET}-" \
EXTRA_KLIBCAFLAGS="-Wa,--noexecstack" \
EXTRA_KLIBCLDFLAGS="-z,noexecstack" \
libdir="/usr/$(get_libdir)" \
SHLIBDIR="/$(get_libdir)" \
mandir="/usr/share/man" \
INSTALLDIR="/usr/$(get_libdir)/klibc" \
${myargs} || die "Compile failed!"
else
env -u ARCH \
emake \
EXTRA_KLIBCAFLAGS="-Wa,--noexecstack" \
EXTRA_KLIBCLDFLAGS="-z,noexecstack" \
libdir="/usr/$(get_libdir)" \
SHLIBDIR="/$(get_libdir)" \
mandir="/usr/share/man" \
INSTALLDIR="/usr/$(get_libdir)/klibc" \
${myargs} || die "Compile failed!"
fi
}
src_install() {
local myargs klibc_prefix
[[ ${KV_DIR} != "${KV_OUT_DIR}" ]] && \
myargs="KLIBCKERNELOBJ='${KV_OUT_DIR}/' KBUILD_SRC='1'"
use debug && myargs="${myargs} V=1"
if is_cross ; then
klibc_prefix=$("${S}/klcc/${CTARGET}-klcc" -print-klibc-prefix)
make \
EXTRA_KLIBCAFLAGS="-Wa,--noexecstack" \
EXTRA_KLIBCLDFLAGS="-z,noexecstack" \
INSTALLROOT=${D} \
ARCH=$(guess_arch) \
CROSS="${CTARGET}-" \
libdir="/usr/$(get_libdir)" \
SHLIBDIR="/$(get_libdir)" \
mandir="/usr/share/man" \
INSTALLDIR="/usr/$(get_libdir)/klibc" \
${myargs} \
install || die "Install failed!"
else
klibc_prefix=$("${S}/klcc/klcc" -print-klibc-prefix)
env -u ARCH \
make \
EXTRA_KLIBCAFLAGS="-Wa,--noexecstack" \
EXTRA_KLIBCLDFLAGS="-z,noexecstack" \
INSTALLROOT=${D} \
libdir="/usr/$(get_libdir)" \
SHLIBDIR="/$(get_libdir)" \
mandir="/usr/share/man" \
INSTALLDIR="/usr/$(get_libdir)/klibc" \
${myargs} \
install || die "Install failed!"
fi
# Hardlinks becoming copies
for x in gunzip zcat ; do
rm -f "${D}/${klibc_prefix}/bin/${x}"
dosym gzip "${klibc_prefix}/bin/${x}"
done
if ! is_cross ; then
insinto /usr/share/aclocal
doins ${FILESDIR}/klibc.m4
doenvd ${S}/70klibc
dodoc ${S}/README ${S}/usr/klibc/{LICENSE,CAVEATS}
newdoc ${S}/usr/klibc/README README.klibc
newdoc ${S}/usr/klibc/arch/README README.klibc.arch
docinto dash; newdoc ${S}/usr/dash/README.klibc README
docinto gzip; dodoc ${S}/usr/gzip/{COPYING,README}
fi
}
pkg_postinst() {
# Override for linux-mod eclass
return 0
}
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