diff -r aebbdf937322 -r 9803496ddf72 sys-libs/ncurses-compat/ncurses-compat-6.2-r1.ebuild
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sys-libs/ncurses-compat/ncurses-compat-6.2-r1.ebuild	Fri Feb 19 15:12:30 2021 +0000
@@ -0,0 +1,230 @@
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+# This version is just for the ABI .5 library
+
+EAPI=7
+
+inherit flag-o-matic toolchain-funcs multilib-minimal preserve-libs usr-ldscript
+
+MY_PV="${PV:0:3}"
+MY_P="${PN/-compat}-${MY_PV}"
+MY_PN="${PN/-compat}"
+
+DESCRIPTION="console display library (ABI version 5)"
+HOMEPAGE="https://www.gnu.org/software/ncurses/ https://invisible-island.net/ncurses/"
+SRC_URI="mirror://gnu/ncurses/${MY_P}.tar.gz"
+
+if [[ "${PV}" == *_p* ]] ; then
+	SRC_URI+=" ftp://ftp.invisible-island.net/ncurses/${PV/_p*}/${MY_PN}-${PV/_p/-}-patch.sh.bz2
+		https://invisible-mirror.net/archives/ncurses/${PV/_p*}/${MY_PN}-${PV/_p/-}-patch.sh.bz2"
+fi
+
+LICENSE="MIT"
+# The subslot reflects the SONAME.
+SLOT="5/5"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86"
+IUSE="gpm tinfo unicode -versyms"
+
+DEPEND="gpm? ( sys-libs/gpm[${MULTILIB_USEDEP}] )"
+# Block the ncurses-5 that installs the same lib. #557472
+RDEPEND="${DEPEND}
+	!<sys-libs/ncurses-6:0
+	!sys-libs/ncurses:5"
+
+S="${WORKDIR}/${MY_P}"
+
+PATCHES=(
+	"${FILESDIR}/ncurses-5.7-nongnu.patch"
+	"${FILESDIR}/ncurses-6.0-rxvt-unicode-9.15.patch" #192083 #383871
+	"${FILESDIR}/ncurses-6.0-pkg-config.patch"
+	"${FILESDIR}/ncurses-5.9-gcc-5.patch" #545114
+	"${FILESDIR}/ncurses-6.0-ticlib.patch" #557360
+	"${FILESDIR}/ncurses-6.0-cppflags-cross.patch" #601426
+)
+
+src_prepare() {
+	if [[ "${PV}" == *_p* ]] ; then
+		eapply "${WORKDIR}/${MY_PN}-${PV/_p/-}-patch.sh"
+	fi
+	default
+}
+
+src_configure() {
+	unset TERMINFO #115036
+	tc-export_build_env BUILD_{CC,CPP}
+	BUILD_CPPFLAGS+=" -D_GNU_SOURCE" #214642
+
+	# Build the various variants of ncurses -- narrow, wide, and threaded. #510440
+	# Order matters here -- we want unicode/thread versions to come last so that the
+	# binaries in /usr/bin support both wide and narrow.
+	# The naming is also important as we use these directly with filenames and when
+	# checking configure flags.
+	NCURSES_TARGETS=(
+		ncurses
+		$(usex unicode 'ncursesw' '')
+	)
+
+	# When installing ncurses, we have to use a compatible version of tic.
+	# This comes up when cross-compiling, doing multilib builds, upgrading,
+	# or installing for the first time.  Build a local copy of tic whenever
+	# the host version isn't available. #249363 #557598
+	if ! ROOT=/ has_version -b "~sys-libs/${P}:0" ; then
+		local lbuildflags="-static"
+
+		# some toolchains don't quite support static linking
+		local dbuildflags="-Wl,-rpath,${WORKDIR}/lib"
+		case ${CHOST} in
+			*-darwin*)  dbuildflags=     ;;
+			*-aix*)     dbuildflags=     ;;
+		esac
+		echo "int main() {}" | \
+			$(tc-getCC) -o x -x c - ${lbuildflags} -pipe >& /dev/null \
+			|| lbuildflags="${dbuildflags}"
+
+		# We can't re-use the multilib BUILD_DIR because we run outside of it.
+		BUILD_DIR="${WORKDIR}" \
+		CHOST=${CBUILD} \
+		CFLAGS=${BUILD_CFLAGS} \
+		CXXFLAGS=${BUILD_CXXFLAGS} \
+		CPPFLAGS=${BUILD_CPPFLAGS} \
+		LDFLAGS="${BUILD_LDFLAGS} ${lbuildflags}" \
+		do_configure cross --without-shared --with-normal
+	fi
+	multilib-minimal_src_configure
+}
+
+multilib_src_configure() {
+	local t
+	for t in "${NCURSES_TARGETS[@]}" ; do
+		do_configure "${t}"
+	done
+}
+
+do_configure() {
+	local target=$1
+	shift
+
+	mkdir "${BUILD_DIR}/${target}" || die
+	cd "${BUILD_DIR}/${target}" || die
+
+	local conf=(
+		# We need the basic terminfo files in /etc, bug #37026.  We will
+		# add '--with-terminfo-dirs' and then populate /etc/terminfo in
+		# src_install() ...
+		##--with-rel-version=5.9 ??
+		--with-abi-version=5
+		--with-terminfo-dirs="${EPREFIX}/etc/terminfo:${EPREFIX}/usr/share/terminfo"
+
+		# Now the rest of the various standard flags.
+		--without-hashed-db
+		--disable-pc-files
+		--with-shared
+		--without-hashed-db
+		--without-ada
+		--without-cxx
+		--without-cxx-binding
+		--without-debug
+		--without-profile
+		# The configure script uses ldd to parse the linked output which
+		# is flaky for cross-compiling/multilib/ldd versions/etc...
+		$(use_with gpm gpm libgpm.so.1)
+		--disable-termcap
+		--enable-symlinks
+		--with-rcs-ids
+		--with-manpage-format=normal
+		--enable-const
+		--enable-colorfgbg
+		--enable-echo
+		--disable-warnings
+		--without-assertions
+		--enable-leaks
+		--without-expanded
+		--with-macros
+		--without-progs
+		--without-tests
+		--without-trace
+		$(use_with tinfo termlib)
+
+		# The chtype/mmask-t settings below are to retain ABI compat
+		# with ncurses-5.4 so dont change em !
+		--with-chtype=long
+		--with-mmask-t=long
+		--disable-ext-colors
+		--disable-ext-mouse
+		--without-{pthread,reentrant}
+
+		# Buidl versioned symbols, some binaries may want this
+		$(use_with versysm versioned-syms)
+	)
+
+	if [[ ${target} == ncurses*w ]] ; then
+		conf+=( --enable-widec )
+	else
+		conf+=( --disable-widec )
+	fi
+	# Make sure each variant goes in a unique location.
+	if [[ ${target} != "ncurses" ]] ; then
+		conf+=( --includedir="${EPREFIX}"/usr/include/${target} )
+	fi
+	# See comments in src_configure.
+	if [[ ${target} != "cross" ]] ; then
+		local cross_path="${WORKDIR}/cross"
+		[[ -d ${cross_path} ]] && export TIC_PATH="${cross_path}/progs/tic"
+	else
+		conf+=( --with-progs )
+	fi
+
+	# Force bash until upstream rebuilds the configure script with a newer
+	# version of autotools. #545532
+	CONFIG_SHELL="${EPREFIX}"/bin/bash \
+	ECONF_SOURCE="${S}" \
+	econf "${conf[@]}" "$@"
+}
+
+src_compile() {
+	# See comments in src_configure.
+	if ! ROOT=/ has_version -b "~sys-libs/${P}:0" ; then
+		BUILD_DIR="${WORKDIR}" \
+		do_compile cross -C progs tic
+	fi
+
+	multilib-minimal_src_compile
+}
+
+multilib_src_compile() {
+	local t
+	for t in "${NCURSES_TARGETS[@]}" ; do
+		do_compile "${t}"
+	done
+}
+
+do_compile() {
+	local target=$1
+	shift
+
+	cd "${BUILD_DIR}/${target}" || die
+
+	# A little hack to fix parallel builds ... they break when
+	# generating sources so if we generate the sources first (in
+	# non-parallel), we can then build the rest of the package
+	# in parallel.  This is not really a perf hit since the source
+	# generation is quite small.
+	emake -j1 sources
+	# For some reason, sources depends on pc-files which depends on
+	# compiled libraries which depends on sources which ...
+	# Manually delete the pc-files file so the install step will
+	# create the .pc files we want.
+	rm -f misc/pc-files || die
+	emake "$@"
+}
+
+multilib_src_install() {
+	local target lib
+	for target in "${NCURSES_TARGETS[@]}" ; do
+		cd "${BUILD_DIR}/${target}/lib" || die
+		for lib in *5.9 ; do
+			newlib.so "${lib}" "${lib%%.9}"
+		done
+	done
+}