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# Copyright 1999-2016 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$
EAPI=5
inherit eutils flag-o-matic multilib toolchain-funcs
if [[ ${PV} == "9999" ]] ; then
EGIT_REPO_URI="git://git.musl-libc.org/musl"
inherit git-r3
fi
export CBUILD=${CBUILD:-${CHOST}}
export CTARGET=${CTARGET:-${CHOST}}
if [[ ${CTARGET} == ${CHOST} ]] ; then
if [[ ${CATEGORY} == cross-* ]] ; then
export CTARGET=${CATEGORY#cross-}
fi
fi
DESCRIPTION="Light, fast and simple C library focused on standards-conformance and safety"
HOMEPAGE="http://www.musl-libc.org/"
if [[ ${PV} != "9999" ]] ; then
PATCH_VER=""
SRC_URI="http://www.musl-libc.org/releases/${P}.tar.gz"
KEYWORDS="-* amd64 arm ~mips ppc x86"
fi
LICENSE="MIT LGPL-2 GPL-2"
SLOT="0"
IUSE="crosscompile_opts_headers-only"
RDEPEND="!sys-apps/getent"
QA_SONAME="/usr/lib/libc.so"
QA_DT_NEEDED="/usr/lib/libc.so"
is_crosscompile() {
[[ ${CHOST} != ${CTARGET} ]]
}
just_headers() {
use crosscompile_opts_headers-only && is_crosscompile
}
musl_endian() {
# XXX: this wont work for bi-endian, but we dont have any
touch "${T}"/endian.s || die
$(tc-getAS ${CTARGET}) "${T}"/endian.s -o "${T}"/endian.o
case $(file "${T}"/endian.o) in
*" MSB "*) echo "";;
*" LSB "*) echo "el";;
*) echo "nfc";; # We shouldn't be here
esac
}
pkg_setup() {
if [ ${CTARGET} == ${CHOST} ] ; then
case ${CHOST} in
*-musl*) ;;
*) die "Use sys-devel/crossdev to build a musl toolchain" ;;
esac
fi
}
src_prepare() {
epatch_user
}
src_configure() {
tc-getCC ${CTARGET}
just_headers && export CC=true
local sysroot
is_crosscompile && sysroot=/usr/${CTARGET}
./configure \
--target=${CTARGET} \
--prefix=${sysroot}/usr \
--syslibdir=${sysroot}/lib \
--disable-gcc-wrapper
}
src_compile() {
emake obj/include/bits/alltypes.h
just_headers && return 0
emake
}
src_install() {
local target="install"
just_headers && target="install-headers"
emake DESTDIR="${D}" ${target}
just_headers && return 0
# musl provides ldd via a sym link to its ld.so
local sysroot
is_crosscompile && sysroot=/usr/${CTARGET}
local ldso=$(basename "${D}"${sysroot}/lib/ld-musl-*)
dosym ${sysroot}/lib/${ldso} ${sysroot}/usr/bin/ldd
if [[ ${CATEGORY} != cross-* ]] ; then
local target=$(tc-arch) arch
local endian=$(musl_endian)
case ${target} in
amd64) arch="x86_64";;
arm) arch="armhf";; # We only have hardfloat right now
mips) arch="mips${endian}";;
ppc) arch="powerpc";;
x86) arch="i386";;
esac
cp "${FILESDIR}"/ldconfig.in "${T}" || die
sed -e "s|@@ARCH@@|${arch}|" "${T}"/ldconfig.in > "${T}"/ldconfig || die
into /
dosbin "${T}"/ldconfig
into /usr
dobin "${FILESDIR}"/getent
echo 'LDPATH="include ld.so.conf.d/*.conf"' > "${T}"/00musl || die
doenvd "${T}"/00musl || die
fi
}
pkg_postinst() {
is_crosscompile && return 0
[ "${ROOT}" != "/" ] && return 0
ldconfig
# reload init ...
/sbin/telinit U 2>/dev/null
}
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