279 lines
7.9 KiB
Bash
279 lines
7.9 KiB
Bash
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# Copyright 1999-2010 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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# $Header: /var/cvsroot/gentoo-x86/dev-libs/klibc/klibc-1.5.15-r1.ebuild,v 1.3 2010/01/10 09:50:36 robbat2 Exp $
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# Robin H. Johnson <robbat2@gentoo.org>, 12 Nov 2007:
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# This still needs major work.
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# But it is significently better than the previous version.
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# In that it will now build on biarch systems, such as ppc64-32ul.
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# NOTES:
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# ======
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# We need to bring in the kernel sources seperately
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# Because they have to be configured in a way that differs from the copy in
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# /usr/src/. The sys-kernel/linux-headers are too stripped down to use
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# unfortunetly.
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# This will be able to go away once the klibc author updates his code
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# to build again the headers provided by the kernel's 'headers_install' target.
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inherit eutils multilib toolchain-funcs
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DESCRIPTION="A minimal libc subset for use with initramfs."
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HOMEPAGE="http://www.zytor.com/mailman/listinfo/klibc"
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KV_MAJOR="2" KV_MINOR="6" KV_SUB="36"
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PKV_EXTRA=""
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if [ -n "${PKV_EXTRA}" ]; then
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PKV="${KV_MAJOR}.${KV_MINOR}.$((${KV_SUB}+1))-${PKV_EXTRA}"
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PATCH_URI="mirror://kernel/linux/kernel/v${KV_MAJOR}.${KV_MINOR}/patch-${PKV}.bz2"
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fi
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OKV="${KV_MAJOR}.${KV_MINOR}.${KV_SUB}"
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KERNEL_URI="
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mirror://kernel/linux/kernel/v${KV_MAJOR}.${KV_MINOR}/linux-${OKV}.tar.bz2
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mirror://kernel/linux/kernel/v${KV_MAJOR}.${KV_MINOR}/testing/linux-${OKV}.tar.bz2"
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SRC_URI="
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mirror://kernel/linux/libs/klibc/Current/${P}.tar.bz2
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mirror://kernel/linux/libs/klibc/Testing/${P}.tar.bz2
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${PATCH_URI}
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${KERNEL_URI}"
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LICENSE="|| ( GPL-2 LGPL-2 )"
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KEYWORDS="~amd64 -mips ~ppc ~sparc ~x86 ~arm"
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SLOT="0"
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IUSE="debug n32"
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DEPEND="dev-lang/perl"
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RDEPEND="${DEPEND}"
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KS="${WORKDIR}/linux-${OKV}"
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# Klibc has no PT_GNU_STACK support, so scanning for execstacks is moot
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QA_EXECSTACK="*"
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# Do not strip
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RESTRICT="strip"
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kernel_asm_arch() {
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a="${1:${ARCH}}"
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case ${a} in
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# Merged arches
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x86|amd64) echo x86 ;;
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ppc*) echo powerpc ;;
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# Non-merged
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alpha|arm|ia64|m68k|mips|sh|sparc*) echo ${1} ;;
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*) die "TODO: Update the code for your asm-ARCH symlink" ;;
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esac
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}
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# For a given Gentoo ARCH,
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# specify the kernel defconfig most relevant
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kernel_defconfig() {
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a="${1:${ARCH}}"
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# most, but not all arches have a sanely named defconfig
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case ${a} in
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ppc64) echo ppc64_defconfig ;;
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ppc) echo pmac32_defconfig ;;
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sh*) die "TODO: Your arch is not supported by the klibc ebuild. Please suggest a defconfig in a bug." ;;
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*) echo defconfig ;;
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esac
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}
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src_unpack() {
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unpack linux-${OKV}.tar.bz2 ${P}.tar.bz2
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[ -n "${PKV}" ] && EPATCH_OPTS="-d ${KS} -p1" epatch "${DISTDIR}"/patch-${PKV}.bz2
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cd "${S}"
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# Symlink /usr/src/linux to ${S}/linux
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ln -snf "${KS}" linux
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#ln -snf "/usr" linux
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# Build interp.o with EXTRA_KLIBCAFLAGS (.S source)
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epatch "${FILESDIR}"/${PN}-1.4.11-interp-flags.patch
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# Fixes for sparc and ppc
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#epatch "${FILESDIR}"/${PN}-1.5-sigaction.patch
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# Fix the asm-ppc vs. asm-powerpc issue, bug #196521
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#epatch "${FILESDIR}"/${PN}-1.5.11-klibcasmarch.patch
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# Fix usage of -s, bug #201006
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epatch "${FILESDIR}"/klibc-1.5.7-strip-fix-dash-s.patch
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# bug 229525, usr/include/arch/x86_64/sys/io.h has undefined variables
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#epatch "${FILESDIR}"/${PN}-1.5.11-x86_64-io.h-return.diff
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}
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# klibc has it's own ideas of arches
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# They reflect userspace strictly.
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# This functions maps from a Gentoo ARCH, to an arch that klibc expects
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# Look at klibc-${S}/usr/klibc/arch for a list of these arches
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klibc_arch() {
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a="${1:${ARCH}}"
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case ${a} in
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amd64) echo x86_64;;
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mips) die 'TODO: Use the $ABI' ;;
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x86) echo i386;;
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*) echo ${a} ;;
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esac
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}
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src_compile() {
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local myargs="all"
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local myARCH="${ARCH}" myABI="${ABI}"
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# TODO: For cross-compiling
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# You should set ARCH and ABI here
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CC="$(tc-getCC)"
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HOSTCC="$(tc-getBUILD_CC)"
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KLIBCARCH="$(klibc_arch ${ARCH})"
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KLIBCASMARCH="$(kernel_asm_arch ${ARCH})"
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libdir="$(get_libdir)"
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# This should be the defconfig corresponding to your userspace!
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# NOT your kernel. PPC64-32ul would choose 'ppc' for example.
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defconfig=$(kernel_defconfig ${ARCH})
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unset ABI ARCH # Unset these, because they interfere
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unset KBUILD_OUTPUT # we are using a private copy
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cd "${KS}"
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emake ${defconfig} CC="${CC}" HOSTCC="${HOSTCC}" || die "No defconfig"
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if [[ "${KLIBCARCH/arm}" != "${KLIBCARCH}" ]] && \
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[[ "${CHOST/eabi}" != "${CHOST}" ]]; then
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# The delete and insert are seperate statements
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# so that they are reliably used.
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sed -i \
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-e '/CONFIG_AEABI/d' \
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-e '1iCONFIG_AEABI=y' \
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-e '/CONFIG_OABI_COMPAT/d' \
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-e '1iCONFIG_OABI_COMPAT=y' \
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"${KS}"/.config \
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"${S}"/defconfig
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fi
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emake prepare CC="${CC}" HOSTCC="${HOSTCC}" || die "Failed to prepare kernel sources for header usage"
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cd "${S}"
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use debug && myargs="${myargs} V=1"
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use test && myargs="${myargs} test"
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emake \
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EXTRA_KLIBCAFLAGS="-Wa,--noexecstack" \
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EXTRA_KLIBCLDFLAGS="-z,noexecstack" \
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HOSTCC="${HOSTCC}" CC="${CC}" \
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INSTALLDIR="/usr/${libdir}/klibc" \
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KLIBCARCH=${KLIBCARCH} \
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KLIBCASMARCH=${KLIBCASMARCH} \
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SHLIBDIR="/${libdir}" \
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libdir="/usr/${libdir}" \
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mandir="/usr/share/man" \
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T="${T}" \
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${myargs} || die "Compile failed!"
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#SHLIBDIR="/${libdir}" \
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ARCH="${myARCH}" ABI="${myABI}"
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}
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src_install() {
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local myargs
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local myARCH="${ARCH}" myABI="${ABI}"
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# TODO: For cross-compiling
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# You should set ARCH and ABI here
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CC="$(tc-getCC)"
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HOSTCC="$(tc-getBUILD_CC)"
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KLIBCARCH="$(klibc_arch ${ARCH})"
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KLIBCASMARCH="$(kernel_asm_arch ${ARCH})"
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libdir="$(get_libdir)"
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# This should be the defconfig corresponding to your userspace!
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# NOT your kernel. PPC64-32ul would choose 'ppc' for example.
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defconfig=$(kernel_defconfig ${ARCH})
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use debug && myargs="${myargs} V=1"
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local klibc_prefix
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if tc-is-cross-compiler ; then
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klibc_prefix=$("${S}/klcc/${KLIBCARCH}-klcc" -print-klibc-prefix)
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else
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klibc_prefix=$("${S}/klcc/klcc" -print-klibc-prefix)
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fi
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unset ABI ARCH # Unset these, because they interfere
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unset KBUILD_OUTPUT # we are using a private copy
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emake \
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EXTRA_KLIBCAFLAGS="-Wa,--noexecstack" \
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EXTRA_KLIBCLDFLAGS="-z,noexecstack" \
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HOSTCC="${HOSTCC}" CC="${CC}" \
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INSTALLDIR="/usr/${libdir}/klibc" \
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INSTALLROOT="${D}" \
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KLIBCARCH=${KLIBCARCH} \
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KLIBCASMARCH=${KLIBCASMARCH} \
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SHLIBDIR="/${libdir}" \
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libdir="/usr/${libdir}" \
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mandir="/usr/share/man" \
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${myargs} \
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install || die "Install failed!"
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#SHLIBDIR="/${libdir}" \
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# klibc doesn't support prelinking, so we need to mask it
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cat > "${T}/70klibc" <<-EOF
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PRELINK_PATH_MASK="/usr/${libdir}/klibc"
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EOF
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doenvd "${T}"/70klibc
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# Fix the permissions (bug #178053) on /usr/${libdir}/klibc/include
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# Actually I have no idea, why the includes have those weird-ass permissions
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# on a particular system, might be due to inherited permissions from parent
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# directory
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find "${D}"/usr/${libdir}/klibc/include | xargs chmod o+rX
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# Hardlinks becoming copies
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for x in gunzip zcat ; do
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rm -f "${D}/${klibc_prefix}/bin/${x}"
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dosym gzip "${klibc_prefix}/bin/${x}"
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done
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# Restore now, so we can use the tc- functions
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ARCH="${myARCH}" ABI="${myABI}"
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if ! tc-is-cross-compiler ; then
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cd "${S}"
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insinto /usr/share/aclocal
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doins contrib/klibc.m4
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dodoc README usr/klibc/CAVEATS usr/klibc/README
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newdoc usr/klibc/arch/README README.klibc.arch
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docinto dash; newdoc usr/dash/README.klibc README
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docinto gzip; dodoc usr/gzip/README
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fi
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# Fix up the symlink
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# Mainly for merged arches
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linkname="${D}/usr/${libdir}/klibc/include/asm"
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if [ -L "${linkname}" ] && [ ! -e "${linkname}" ] ; then
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ln -snf asm-${KLIBCASMARCH} "${linkname}"
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fi
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}
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src_test() {
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if ! tc-is-cross-compiler ; then
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cd "${S}"/usr/klibc/tests
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ALL_TESTS="$(ls *.c |sed 's,\.c$,,g')"
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BROKEN_TESTS="idtest fcntl fnmatch testrand48"
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failed=0
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for t in $ALL_TESTS ; do
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if has $t $BROKEN_TESTS ; then
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echo "=== $t SKIP"
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else
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echo -n "=== $t "
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./$t </dev/null >/dev/null
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rc=$?
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if [ $rc -eq 0 ]; then
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echo PASS
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else
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echo FAIL
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failed=1
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fi
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fi
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done
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[ $failed -ne 0 ] && die "Some tests failed."
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fi
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}
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