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# Copyright 1999-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI="4"

inherit flag-o-matic toolchain-funcs eutils

if [[ ${PV} == "9999" ]] ; then
	EGIT_REPO_URI="https://sourceware.org/git/newlib-cygwin.git"
	inherit git-r3
else
	SRC_URI="ftp://sourceware.org/pub/newlib/${P}.tar.gz"
	KEYWORDS="-* arm hppa m68k ~mips ppc ppc64 sh sparc x86"
fi

export CBUILD=${CBUILD:-${CHOST}}
export CTARGET=${CTARGET:-${CHOST}}
if [[ ${CTARGET} == ${CHOST} ]] ; then
	if [[ ${CATEGORY} == cross-* ]] ; then
		export CTARGET=${CATEGORY#cross-}
	fi
fi

DESCRIPTION="Newlib is a C library intended for use on embedded systems"
HOMEPAGE="https://sourceware.org/newlib/"

LICENSE="NEWLIB LIBGLOSS GPL-2"
SLOT="0"
IUSE="nls threads unicode headers-only"
RESTRICT="strip"

# Handle the SLOT changes. #497344
RDEPEND="!<${CATEGORY}/${PN}-2.1.0"

NEWLIBBUILD="${WORKDIR}/build"

pkg_setup() {
	# Reject newlib-on-glibc type installs
	if [[ ${CTARGET} == ${CHOST} ]] ; then
		case ${CHOST} in
			*-newlib|*-elf) ;;
			*) die "Use sys-devel/crossdev to build a newlib toolchain" ;;
		esac
	fi
}

src_prepare() {
	epatch_user
}

src_configure() {
	# we should fix this ...
	unset LDFLAGS
	CHOST=${CTARGET} strip-unsupported-flags

	local myconf=""
	[[ ${CTARGET} == "spu" ]] \
		&& myconf="${myconf} --disable-newlib-multithread" \
		|| myconf="${myconf} $(use_enable threads newlib-multithread)"

	mkdir -p "${NEWLIBBUILD}"
	cd "${NEWLIBBUILD}"

	ECONF_SOURCE=${S} \
	econf \
		$(use_enable unicode newlib-mb) \
		$(use_enable nls) \
		${myconf}
}

src_compile() {
	emake -C "${NEWLIBBUILD}"
}

src_install() {
	cd "${NEWLIBBUILD}"
	emake -j1 DESTDIR="${D}" install
	# minor hack to keep things clean
	rm -fR "${D}"/usr/share/info
	rm -fR "${D}"/usr/info
}