1 files changed, 126 insertions, 0 deletions
diff --git a/sys-libs/musl/musl-9999.ebuild b/sys-libs/musl/musl-9999.ebuild
new file mode 100644
index 000000000000..6d1ca35631a6
--- /dev/null
+++ b/sys-libs/musl/musl-9999.ebuild
@@ -0,0 +1,126 @@
+# Copyright 1999-2015 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 [[ ${PV} == "9999" ]] ; then
+	EGIT_REPO_URI="git://git.musl-libc.org/musl"
+	inherit git-2
+fi
+
+export CBUILD=${CBUILD:-${CHOST}}
+export CTARGET=${CTARGET:-${CHOST}}
+if [[ ${CTARGET} == ${CHOST} ]] ; then
+	if [[ ${CATEGORY} == cross-* ]] ; then
+		export CTARGET=${CATEGORY#cross-}
+	fi
+fi
+
+DESCRIPTION="Lightweight, 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"
+
+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
+	$(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
+
+	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=${sysroot}/lib \
+		--disable-gcc-wrapper
+}
+
+src_compile() {
+	emake include/bits/alltypes.h || die
+	just_headers && return 0
+
+	emake || die
+}
+
+src_install() {
+	local target="install"
+	just_headers && target="install-headers"
+	emake DESTDIR="${D}" ${target} || die
+	just_headers && return 0
+
+	# musl provides ldd via a sym link to its ld.so
+	local sysroot
+	is_crosscompile && sysroot=/usr/${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}"
+		sed -e "s|@@ARCH@@|${arch}|" "${T}"/ldconfig.in > "${T}"/ldconfig
+		into /
+		dosbin "${T}"/ldconfig
+		into /usr
+		dobin "${FILESDIR}"/getent
+		echo 'LDPATH="include ld.so.conf.d/*.conf"' > "${T}"/00musl
+		doenvd "${T}"/00musl || die
+	fi
+}
+
+pkg_postinst() {
+	is_crosscompile && return 0
+
+	[ "${ROOT}" != "/" ] && return 0
+
+	ldconfig
+	# reload init ...
+	/sbin/telinit U 2>/dev/null
+}