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# Copyright 1999-2015 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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# $Id$
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EAPI=5
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inherit eutils flag-o-matic multilib toolchain-funcs
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if [[ ${PV} == "9999" ]] ; then
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EGIT_REPO_URI="git://git.musl-libc.org/musl"
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inherit git-r3
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fi
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export CBUILD=${CBUILD:-${CHOST}}
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export CTARGET=${CTARGET:-${CHOST}}
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if [[ ${CTARGET} == ${CHOST} ]] ; then
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if [[ ${CATEGORY} == cross-* ]] ; then
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export CTARGET=${CATEGORY#cross-}
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fi
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fi
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DESCRIPTION="Lightweight, fast and simple C library focused on standards-conformance and safety"
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HOMEPAGE="http://www.musl-libc.org/"
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if [[ ${PV} != "9999" ]] ; then
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PATCH_VER=""
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SRC_URI="http://www.musl-libc.org/releases/${P}.tar.gz"
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KEYWORDS="-* amd64 arm ~mips ppc x86"
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fi
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LICENSE="MIT LGPL-2 GPL-2"
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SLOT="0"
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IUSE="crosscompile_opts_headers-only"
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RDEPEND="!sys-apps/getent"
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is_crosscompile() {
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[[ ${CHOST} != ${CTARGET} ]]
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}
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just_headers() {
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use crosscompile_opts_headers-only && is_crosscompile
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}
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musl_endian() {
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# XXX: this wont work for bi-endian, but we dont have any
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touch "${T}"/endian.s || die
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$(tc-getAS ${CTARGET}) "${T}"/endian.s -o "${T}"/endian.o
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case $(file "${T}"/endian.o) in
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*" MSB "*) echo "";;
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*" LSB "*) echo "el";;
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*) echo "nfc";; # We shouldn't be here
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esac
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}
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pkg_setup() {
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if [ ${CTARGET} == ${CHOST} ] ; then
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case ${CHOST} in
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*-musl*) ;;
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*) die "Use sys-devel/crossdev to build a musl toolchain" ;;
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esac
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fi
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}
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src_prepare() {
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epatch_user
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}
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src_configure() {
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tc-getCC ${CTARGET}
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just_headers && export CC=true
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local sysroot
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is_crosscompile && sysroot=/usr/${CTARGET}
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./configure \
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--target=${CTARGET} \
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--prefix=${sysroot}/usr \
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--syslibdir=${sysroot}/lib \
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--disable-gcc-wrapper
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}
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src_compile() {
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emake include/bits/alltypes.h
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just_headers && return 0
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emake
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}
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src_install() {
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local target="install"
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just_headers && target="install-headers"
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emake DESTDIR="${D}" ${target}
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just_headers && return 0
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# musl provides ldd via a sym link to its ld.so
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local sysroot
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is_crosscompile && sysroot=/usr/${CTARGET}
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local ldso=$(basename "${D}"${sysroot}/lib/ld-musl-*)
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dosym ${sysroot}/lib/${ldso} ${sysroot}/usr/bin/ldd
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if [[ ${CATEGORY} != cross-* ]] ; then
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local target=$(tc-arch) arch
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local endian=$(musl_endian)
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case ${target} in
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amd64) arch="x86_64";;
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arm) arch="armhf";; # We only have hardfloat right now
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mips) arch="mips${endian}";;
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ppc) arch="powerpc";;
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x86) arch="i386";;
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esac
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cp "${FILESDIR}"/ldconfig.in "${T}" || die
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sed -e "s|@@ARCH@@|${arch}|" "${T}"/ldconfig.in > "${T}"/ldconfig || die
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into /
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dosbin "${T}"/ldconfig
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into /usr
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dobin "${FILESDIR}"/getent
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echo 'LDPATH="include ld.so.conf.d/*.conf"' > "${T}"/00musl || die
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doenvd "${T}"/00musl || die
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fi
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}
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pkg_postinst() {
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is_crosscompile && return 0
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[ "${ROOT}" != "/" ] && return 0
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ldconfig
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# reload init ...
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/sbin/telinit U 2>/dev/null
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}
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