sys-libs/ncurses/ncurses-6.4_p20230424.ebuild - third_party/overlays/portage-stable - Git at Google

 # Copyright 1999-2023 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2

 EAPI=7

 VERIFY_SIG_OPENPGP_KEY_PATH="${BROOT}"/usr/share/openpgp-keys/thomasdickey.asc
 inherit flag-o-matic toolchain-funcs multilib multilib-minimal preserve-libs usr-ldscript verify-sig

 MY_PV="${PV:0:3}"
 MY_P="${PN}-${MY_PV}"
 DESCRIPTION="Console display library"
 HOMEPAGE="https://www.gnu.org/software/ncurses/ https://invisible-island.net/ncurses/"
 # Keep invisible-mirror.net here as some users reported 403 forbidden with invisible-island.net
 SRC_URI="
 	mirror://gnu/ncurses/${MY_P}.tar.gz
 	https://invisible-island.net/archives/${PN}/${MY_P}.tar.gz
 	https://invisible-mirror.net/archives/${PN}/${MY_P}.tar.gz
 	verify-sig? ( mirror://gnu/ncurses/${MY_P}.tar.gz.sig )
 "

 GENTOO_PATCH_DEV=sam
 GENTOO_PATCH_PV=6.4_p20230424
 GENTOO_PATCH_NAME=${PN}-${GENTOO_PATCH_PV}-patches

 # Populated below in a loop. Do not add patches manually here.
 UPSTREAM_PATCHES=()

 if [[ ${PV} == *_p* ]] ; then
 	# Sometimes, after releases, there's no megapatch available yet.
 	#
 	# From upstream README at e.g. https://invisible-island.net/archives/ncurses/6.3/:
 	#
 	#	"At times (generally to mark a relatively stable point), I create a rollup
 	#	patch, which consists of all changes from the release through the current date."
 	#
 	# Also, from https://lists.gnu.org/archive/html/bug-ncurses/2019-08/msg00039.html,
 	# the patches are considered to be acceptable to use after some testing. They
 	# are both for development but also bug fixes.
 	#
 	# This array should contain a list of all the snapshots since the last
 	# release if there's no megapatch available yet.
 	PATCH_DATES=(
 		20230107
 		20230114
 		20230121
 		20230128
 		20230211
 		20230218
 		20230225
 		20230311
 		20230401
 		20230408
 		20230415
 		20230418
 		20230423

 		# Latest patch is just _pN = $(ver_cut 4)
 		$(ver_cut 4)
 	)

 	if [[ -z ${PATCH_DATES[@]} ]] ; then
 		SRC_URI+=" https://invisible-island.net/archives/${PN}/${PV/_p*}/${P/_p/-}.patch.sh.gz"
 		SRC_URI+=" verify-sig? ( https://invisible-island.net/archives/${PN}/${PV/_p*}/${P/_p/-}.patch.sh.gz.asc"

 		# If we have a rollup patch, use that instead of the individual ones.
 		UPSTREAM_PATCHES+=( "${WORKDIR}"/${P/_p/-}-patch.sh )
 	else
 		patch_url=
 		my_patch_index=

 		# We keep a bunch of mirrors here as we've had reports of invisible*.net
 		# being 403 forbidden for some users.
 		urls=(
 			"https://invisible-island.net/archives/${PN}/${PV/_p*}/${MY_P}-%s"
 			"https://invisible-mirror.net/archives/${PN}/${PV/_p*}/${MY_P}-%s"
 			"https://dev.gentoo.org/~${GENTOO_PATCH_DEV}/distfiles/${CATEGORY}/${PN}/${MY_P}-%s"
 		)

 		for ((my_patch_index=0; my_patch_index < "${#PATCH_DATES[@]}"; my_patch_index++)); do
 			for url in "${urls[@]}" ; do
 				patch_url="$(printf ${urls} ${PATCH_DATES[${my_patch_index}]}.patch.gz)"
 				SRC_URI+=" ${patch_url}"
 				SRC_URI+=" verify-sig? ( ${patch_url}.asc )"
 			done

 			UPSTREAM_PATCHES+=( "${WORKDIR}"/${MY_P}-${PATCH_DATES[${my_patch_index}]}.patch )
 		done

 		unset patch_url
 		unset my_patch_index
 		unset urls
 	fi
 fi

 SRC_URI+=" https://dev.gentoo.org/~${GENTOO_PATCH_DEV}/distfiles/${CATEGORY}/${PN}/${GENTOO_PATCH_NAME}.tar.xz"

 LICENSE="MIT"
 # The subslot reflects the SONAME.
 SLOT="0/6"
 KEYWORDS="*"
 IUSE="ada +cxx debug doc gpm minimal profile split-usr +stack-realign static-libs test tinfo trace unicode"
 RESTRICT="!test? ( test )"

 DEPEND="gpm? ( sys-libs/gpm[${MULTILIB_USEDEP}] )"
 # Block the older ncurses that installed all files w/SLOT=5, bug #557472
 RDEPEND="
 	${DEPEND}
 	!<=sys-libs/ncurses-5.9-r4:5
 	!<sys-libs/slang-2.3.2_pre23
 	!<x11-terms/rxvt-unicode-9.06-r3
 	!<x11-terms/st-0.6-r1
 "
 BDEPEND="verify-sig? ( sec-keys/openpgp-keys-thomasdickey )"

 S="${WORKDIR}/${MY_P}"

 PATCHES=(
 	"${UPSTREAM_PATCHES[@]}"

 	# When rebasing Gentoo's patchset, please use git from a clean
 	# src_prepare with upstream patches already applied. git am --reject
 	# the existing patchset and rebase as required. This makes it easier
 	# to manage future rebasing & adding new patches.
 	#
 	# For the same reasons, please include the original configure.in changes,
 	# NOT just the generated results!
 	"${WORKDIR}"/${GENTOO_PATCH_NAME}
 )

 src_unpack() {
 	# Avoid trying to verify our own patchset tarball, there's no point
 	if use verify-sig ; then
 		local file
 		for file in ${A} ; do
 			if [[ ${file} == ${MY_P}.tar.gz ]] ; then
 				verify-sig_verify_detached "${DISTDIR}"/${file} "${DISTDIR}"/${file}.sig
 			else
 				[[ ${file} == @(*${GENTOO_PATCH_NAME}.tar.xz|*.asc|*.sig) ]] && continue

 				verify-sig_verify_detached "${DISTDIR}"/${file} "${DISTDIR}"/${file}.asc
 			fi
 		done
 	fi

 	default
 }

 src_configure() {
 	# bug #115036
 	unset TERMINFO

 	tc-export_build_env BUILD_{CC,CXX,CPP}

 	# bug #214642
 	BUILD_CPPFLAGS+=" -D_GNU_SOURCE"

 	# bug #852665
 	if [[ ${CHOST} == *-cygwin* ]]; then
 		BUILD_CPPFLAGS+=" -DBUILDING_NCURSES"
 	fi

 	# 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
 		ncursesw
 		ncursest
 		ncursestw
 	)

 	# 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. bug #249363, bug #557598
 	if ! 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 ${CHOST} in
 			*-darwin*)  dbuildflags=     ;;
 			*-solaris*) dbuildflags="-Wl,-R,${WORKDIR}/lib" ;;
 		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="${WORKDIR}" \
 		CC=${BUILD_CC} \
 		CXX=${BUILD_CXX} \
 		CPP=${BUILD_CPP} \
 		CHOST=${CBUILD} \
 		CFLAGS=${BUILD_CFLAGS} \
 		CXXFLAGS=${BUILD_CXXFLAGS} \
 		CPPFLAGS=${BUILD_CPPFLAGS} \
 		LDFLAGS="${BUILD_LDFLAGS} ${lbuildflags}" \
 		do_configure cross --without-shared --with-normal --with-progs
 	fi
 	multilib-minimal_src_configure
 }

 multilib_src_configure() {
 	if [[ ${ABI} == x86 ]] ; then
 		# For compatibility with older binaries at slight performance cost.
 		# bug #616402
 		use stack-realign && append-flags -mstackrealign
 	fi

 	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-terminfo-dirs="${EPREFIX}/etc/terminfo:${EPREFIX}/usr/share/terminfo"

 		# Enable installation of .pc files.
 		--enable-pc-files
 		# This path is used to control where the .pc files are installed.
 		--with-pkg-config-libdir="${EPREFIX}/usr/$(get_libdir)/pkgconfig"

 		# Now the rest of the various standard flags.
 		--with-shared
 		# (Originally disabled until bug #245417 is sorted out, but now
 		# just keeping it off for good, given nobody needed it until now
 		# (2022) and we're trying to phase out bdb.)
 		--without-hashed-db
 		$(use_with ada)
 		$(use_with cxx)
 		$(use_with cxx cxx-binding)
 		--with-cxx-shared
 		$(use_with debug)
 		$(use_with 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)
 		# Required for building  on mingw-w64, and possibly other windows
 		# platforms, bug #639670
 		$(use_enable kernel_Winnt term-driver)
 		--disable-termcap
 		--enable-symlinks
 		--with-manpage-format=normal
 		--enable-const
 		--enable-colorfgbg
 		--enable-hard-tabs
 		--enable-echo
 		$(use_enable !ada warnings)
 		$(use_with debug assertions)
 		$(use_enable !debug leaks)
 		$(use_with debug expanded)
 		$(use_with !debug macros)
 		$(multilib_native_with progs)
 		$(use_with test tests)
 		$(use_with trace)
 		$(use_with tinfo termlib)
 		--disable-stripping
 		--disable-pkg-ldflags
 	)

 	if [[ ${target} == ncurses*w ]] ; then
 		conf+=( --enable-widec )
 	else
 		conf+=( --disable-widec )
 	fi
 	if [[ ${target} == ncursest* ]] ; then
 		conf+=( --with-{pthread,reentrant} )
 	else
 		conf+=( --without-{pthread,reentrant} )
 	fi

 	# Make sure each variant goes in a unique location.
 	if [[ ${target} == "ncurses" ]] ; then
 		# "ncurses" variant goes into "${EPREFIX}"/usr/include
 		# It is needed on Prefix because the configure script appends
 		# "ncurses" to "${prefix}/include" if "${prefix}" is not /usr.
 		conf+=( --enable-overwrite )
 	else
 		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"
 	fi

 	ECONF_SOURCE="${S}" econf "${conf[@]}" "$@"
 }

 src_compile() {
 	# See comments in src_configure.
 	if ! has_version -b "~sys-libs/${P}:0" ; then
 		BUILD_DIR="${WORKDIR}" do_compile cross -C progs tic$(get_exeext)
 	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
 	for target in "${NCURSES_TARGETS[@]}" ; do
 		emake -C "${BUILD_DIR}/${target}" DESTDIR="${D}" install
 	done

 	# Move main libraries into /.
 	if multilib_is_native_abi ; then
 		gen_usr_ldscript -a \
 			"${NCURSES_TARGETS[@]}" \
 			$(usex tinfo 'tinfow tinfo' '')
 	fi

 	# Don't delete '*.dll.a', needed for linking, bug #631468
 	if ! use static-libs; then
 		find "${ED}"/usr/ -name '*.a' ! -name '*.dll.a' -delete || die
 	fi

 	# Build fails to create this ...
 	# -FIXME-
 	# Ugly hackaround for riscv having two parts libdir (bug #689240)
 	# Replace this hack with an official solution once we have one...
 	# -FIXME-
 	dosym $(sed 's@[^/]\+@..@g' <<< $(get_libdir))/share/terminfo \
 		/usr/$(get_libdir)/terminfo

 	# Remove obsolete libcurses symlink that is created by the build
 	# system. Technically, this could be also achieved
 	# via --disable-overwrite but it also moves headers implicitly,
 	# and we do not want to do this yet.
 	# bug #836696
 	rm "${ED}"/usr/$(get_libdir)/libcurses* || die
 }

 multilib_src_install_all() {
 	local terms=(
 		# Dumb/simple values that show up when using the in-kernel VT.
 		ansi console dumb linux
 		vt{52,100,102,200,220}
 		# [u]rxvt users used to be pretty common.  Probably should drop this
 		# since upstream is dead and people are moving away from it.
 		rxvt{,-unicode}{,-256color}
 		# xterm users are common, as is terminals re-using/spoofing it.
 		xterm xterm-{,256}color
 		# screen is common (and reused by tmux).
 		screen{,-256color}
 		screen.xterm-256color
 	)
 	if use split-usr ; then
 		local x
 		# We need the basic terminfo files in /etc for embedded/recovery, bug #37026
 		einfo "Installing basic terminfo files in /etc..."
 		for x in "${terms[@]}"; do
 			local termfile=$(find "${ED}"/usr/share/terminfo/ -name "${x}" 2>/dev/null)
 			local basedir=$(basename "$(dirname "${termfile}")")

 			if [[ -n ${termfile} ]] ; then
 				dodir "/etc/terminfo/${basedir}"
 				mv "${termfile}" "${ED}/etc/terminfo/${basedir}/" || die
 				dosym "../../../../etc/terminfo/${basedir}/${x}" \
 					"/usr/share/terminfo/${basedir}/${x}"
 			fi
 		done

 		echo "CONFIG_PROTECT_MASK=\"/etc/terminfo\"" | newenvd - 50ncurses

 		use minimal && rm -r "${ED}"/usr/share/terminfo*
 		# Because ncurses5-config --terminfo returns the directory we keep it
 		# bug #245374
 		keepdir /usr/share/terminfo
 	elif use minimal ; then
 		# Keep only the basic terminfo files
 		find "${ED}"/usr/share/terminfo/ \
 			\( -type f -o -type l \) ${terms[*]/#/! -name } -delete , \
 			-type d -empty -delete || die
 	fi

 	cd "${S}" || die
 	dodoc ANNOUNCE MANIFEST NEWS README* TO-DO doc/*.doc
 	if use doc ; then
 		docinto html
 		dodoc -r doc/html/
 	fi
 }

 pkg_preinst() {
 	preserve_old_lib /$(get_libdir)/libncurses.so.5
 	preserve_old_lib /$(get_libdir)/libncursesw.so.5
 }

 pkg_postinst() {
 	preserve_old_lib_notify /$(get_libdir)/libncurses.so.5
 	preserve_old_lib_notify /$(get_libdir)/libncursesw.so.5
 }
	# Copyright 1999-2023 Gentoo Authors
	# Distributed under the terms of the GNU General Public License v2

	EAPI=7

	VERIFY_SIG_OPENPGP_KEY_PATH="${BROOT}"/usr/share/openpgp-keys/thomasdickey.asc
	inherit flag-o-matic toolchain-funcs multilib multilib-minimal preserve-libs usr-ldscript verify-sig

	MY_PV="${PV:0:3}"
	MY_P="${PN}-${MY_PV}"
	DESCRIPTION="Console display library"
	HOMEPAGE="https://www.gnu.org/software/ncurses/ https://invisible-island.net/ncurses/"
	# Keep invisible-mirror.net here as some users reported 403 forbidden with invisible-island.net
	SRC_URI="
	mirror://gnu/ncurses/${MY_P}.tar.gz
	https://invisible-island.net/archives/${PN}/${MY_P}.tar.gz
	https://invisible-mirror.net/archives/${PN}/${MY_P}.tar.gz
	verify-sig? ( mirror://gnu/ncurses/${MY_P}.tar.gz.sig )
	"

	GENTOO_PATCH_DEV=sam
	GENTOO_PATCH_PV=6.4_p20230424
	GENTOO_PATCH_NAME=${PN}-${GENTOO_PATCH_PV}-patches

	# Populated below in a loop. Do not add patches manually here.
	UPSTREAM_PATCHES=()

	if [[ ${PV} == _p ]] ; then
	# Sometimes, after releases, there's no megapatch available yet.
	#
	# From upstream README at e.g. https://invisible-island.net/archives/ncurses/6.3/:
	#
	# "At times (generally to mark a relatively stable point), I create a rollup
	# patch, which consists of all changes from the release through the current date."
	#
	# Also, from https://lists.gnu.org/archive/html/bug-ncurses/2019-08/msg00039.html,
	# the patches are considered to be acceptable to use after some testing. They
	# are both for development but also bug fixes.
	#
	# This array should contain a list of all the snapshots since the last
	# release if there's no megapatch available yet.
	PATCH_DATES=(
	20230107
	20230114
	20230121
	20230128
	20230211
	20230218
	20230225
	20230311
	20230401
	20230408
	20230415
	20230418
	20230423

	# Latest patch is just _pN = $(ver_cut 4)
	$(ver_cut 4)
	)

	if [[ -z ${PATCH_DATES[@]} ]] ; then
	SRC_URI+=" https://invisible-island.net/archives/${PN}/${PV/_p*}/${P/_p/-}.patch.sh.gz"
	SRC_URI+=" verify-sig? ( https://invisible-island.net/archives/${PN}/${PV/_p*}/${P/_p/-}.patch.sh.gz.asc"

	# If we have a rollup patch, use that instead of the individual ones.
	UPSTREAM_PATCHES+=( "${WORKDIR}"/${P/_p/-}-patch.sh )
	else
	patch_url=
	my_patch_index=

	# We keep a bunch of mirrors here as we've had reports of invisible*.net
	# being 403 forbidden for some users.
	urls=(
	"https://invisible-island.net/archives/${PN}/${PV/_p*}/${MY_P}-%s"
	"https://invisible-mirror.net/archives/${PN}/${PV/_p*}/${MY_P}-%s"
	"https://dev.gentoo.org/~${GENTOO_PATCH_DEV}/distfiles/${CATEGORY}/${PN}/${MY_P}-%s"
	)

	for ((my_patch_index=0; my_patch_index < "${#PATCH_DATES[@]}"; my_patch_index++)); do
	for url in "${urls[@]}" ; do
	patch_url="$(printf ${urls} ${PATCH_DATES[${my_patch_index}]}.patch.gz)"
	SRC_URI+=" ${patch_url}"
	SRC_URI+=" verify-sig? ( ${patch_url}.asc )"
	done

	UPSTREAM_PATCHES+=( "${WORKDIR}"/${MY_P}-${PATCH_DATES[${my_patch_index}]}.patch )
	done

	unset patch_url
	unset my_patch_index
	unset urls
	fi
	fi

	SRC_URI+=" https://dev.gentoo.org/~${GENTOO_PATCH_DEV}/distfiles/${CATEGORY}/${PN}/${GENTOO_PATCH_NAME}.tar.xz"

	LICENSE="MIT"
	# The subslot reflects the SONAME.
	SLOT="0/6"
	KEYWORDS="*"
	IUSE="ada +cxx debug doc gpm minimal profile split-usr +stack-realign static-libs test tinfo trace unicode"
	RESTRICT="!test? ( test )"

	DEPEND="gpm? ( sys-libs/gpm[${MULTILIB_USEDEP}] )"
	# Block the older ncurses that installed all files w/SLOT=5, bug #557472
	RDEPEND="
	${DEPEND}
	!<=sys-libs/ncurses-5.9-r4:5
	!<sys-libs/slang-2.3.2_pre23
	!<x11-terms/rxvt-unicode-9.06-r3
	!<x11-terms/st-0.6-r1
	"
	BDEPEND="verify-sig? ( sec-keys/openpgp-keys-thomasdickey )"

	S="${WORKDIR}/${MY_P}"

	PATCHES=(
	"${UPSTREAM_PATCHES[@]}"

	# When rebasing Gentoo's patchset, please use git from a clean
	# src_prepare with upstream patches already applied. git am --reject
	# the existing patchset and rebase as required. This makes it easier
	# to manage future rebasing & adding new patches.
	#
	# For the same reasons, please include the original configure.in changes,
	# NOT just the generated results!
	"${WORKDIR}"/${GENTOO_PATCH_NAME}
	)

	src_unpack() {
	# Avoid trying to verify our own patchset tarball, there's no point
	if use verify-sig ; then
	local file
	for file in ${A} ; do
	if [[ ${file} == ${MY_P}.tar.gz ]] ; then
	verify-sig_verify_detached "${DISTDIR}"/${file} "${DISTDIR}"/${file}.sig
	else
	[[ ${file} == @(${GENTOO_PATCH_NAME}.tar.xz\|.asc\|*.sig) ]] && continue

	verify-sig_verify_detached "${DISTDIR}"/${file} "${DISTDIR}"/${file}.asc
	fi
	done
	fi

	default
	}

	src_configure() {
	# bug #115036
	unset TERMINFO

	tc-export_build_env BUILD_{CC,CXX,CPP}

	# bug #214642
	BUILD_CPPFLAGS+=" -D_GNU_SOURCE"

	# bug #852665
	if [[ ${CHOST} == -cygwin ]]; then
	BUILD_CPPFLAGS+=" -DBUILDING_NCURSES"
	fi

	# 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
	ncursesw
	ncursest
	ncursestw
	)

	# 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. bug #249363, bug #557598
	if ! 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 ${CHOST} in
	-darwin) dbuildflags= ;;
	-solaris) dbuildflags="-Wl,-R,${WORKDIR}/lib" ;;
	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="${WORKDIR}" \
	CC=${BUILD_CC} \
	CXX=${BUILD_CXX} \
	CPP=${BUILD_CPP} \
	CHOST=${CBUILD} \
	CFLAGS=${BUILD_CFLAGS} \
	CXXFLAGS=${BUILD_CXXFLAGS} \
	CPPFLAGS=${BUILD_CPPFLAGS} \
	LDFLAGS="${BUILD_LDFLAGS} ${lbuildflags}" \
	do_configure cross --without-shared --with-normal --with-progs
	fi
	multilib-minimal_src_configure
	}

	multilib_src_configure() {
	if [[ ${ABI} == x86 ]] ; then
	# For compatibility with older binaries at slight performance cost.
	# bug #616402
	use stack-realign && append-flags -mstackrealign
	fi

	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-terminfo-dirs="${EPREFIX}/etc/terminfo:${EPREFIX}/usr/share/terminfo"

	# Enable installation of .pc files.
	--enable-pc-files
	# This path is used to control where the .pc files are installed.
	--with-pkg-config-libdir="${EPREFIX}/usr/$(get_libdir)/pkgconfig"

	# Now the rest of the various standard flags.
	--with-shared
	# (Originally disabled until bug #245417 is sorted out, but now
	# just keeping it off for good, given nobody needed it until now
	# (2022) and we're trying to phase out bdb.)
	--without-hashed-db
	$(use_with ada)
	$(use_with cxx)
	$(use_with cxx cxx-binding)
	--with-cxx-shared
	$(use_with debug)
	$(use_with 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)
	# Required for building on mingw-w64, and possibly other windows
	# platforms, bug #639670
	$(use_enable kernel_Winnt term-driver)
	--disable-termcap
	--enable-symlinks
	--with-manpage-format=normal
	--enable-const
	--enable-colorfgbg
	--enable-hard-tabs
	--enable-echo
	$(use_enable !ada warnings)
	$(use_with debug assertions)
	$(use_enable !debug leaks)
	$(use_with debug expanded)
	$(use_with !debug macros)
	$(multilib_native_with progs)
	$(use_with test tests)
	$(use_with trace)
	$(use_with tinfo termlib)
	--disable-stripping
	--disable-pkg-ldflags
	)

	if [[ ${target} == ncurses*w ]] ; then
	conf+=( --enable-widec )
	else
	conf+=( --disable-widec )
	fi
	if [[ ${target} == ncursest* ]] ; then
	conf+=( --with-{pthread,reentrant} )
	else
	conf+=( --without-{pthread,reentrant} )
	fi

	# Make sure each variant goes in a unique location.
	if [[ ${target} == "ncurses" ]] ; then
	# "ncurses" variant goes into "${EPREFIX}"/usr/include
	# It is needed on Prefix because the configure script appends
	# "ncurses" to "${prefix}/include" if "${prefix}" is not /usr.
	conf+=( --enable-overwrite )
	else
	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"
	fi

	ECONF_SOURCE="${S}" econf "${conf[@]}" "$@"
	}

	src_compile() {
	# See comments in src_configure.
	if ! has_version -b "~sys-libs/${P}:0" ; then
	BUILD_DIR="${WORKDIR}" do_compile cross -C progs tic$(get_exeext)
	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
	for target in "${NCURSES_TARGETS[@]}" ; do
	emake -C "${BUILD_DIR}/${target}" DESTDIR="${D}" install
	done

	# Move main libraries into /.
	if multilib_is_native_abi ; then
	gen_usr_ldscript -a \
	"${NCURSES_TARGETS[@]}" \
	$(usex tinfo 'tinfow tinfo' '')
	fi

	# Don't delete '*.dll.a', needed for linking, bug #631468
	if ! use static-libs; then
	find "${ED}"/usr/ -name '.a' ! -name '.dll.a' -delete \|\| die
	fi

	# Build fails to create this ...
	# -FIXME-
	# Ugly hackaround for riscv having two parts libdir (bug #689240)
	# Replace this hack with an official solution once we have one...
	# -FIXME-
	dosym $(sed 's@[^/]\+@..@g' <<< $(get_libdir))/share/terminfo \
	/usr/$(get_libdir)/terminfo

	# Remove obsolete libcurses symlink that is created by the build
	# system. Technically, this could be also achieved
	# via --disable-overwrite but it also moves headers implicitly,
	# and we do not want to do this yet.
	# bug #836696
	rm "${ED}"/usr/$(get_libdir)/libcurses* \|\| die
	}

	multilib_src_install_all() {
	local terms=(
	# Dumb/simple values that show up when using the in-kernel VT.
	ansi console dumb linux
	vt{52,100,102,200,220}
	# [u]rxvt users used to be pretty common. Probably should drop this
	# since upstream is dead and people are moving away from it.
	rxvt{,-unicode}{,-256color}
	# xterm users are common, as is terminals re-using/spoofing it.
	xterm xterm-{,256}color
	# screen is common (and reused by tmux).
	screen{,-256color}
	screen.xterm-256color
	)
	if use split-usr ; then
	local x
	# We need the basic terminfo files in /etc for embedded/recovery, bug #37026
	einfo "Installing basic terminfo files in /etc..."
	for x in "${terms[@]}"; do
	local termfile=$(find "${ED}"/usr/share/terminfo/ -name "${x}" 2>/dev/null)
	local basedir=$(basename "$(dirname "${termfile}")")

	if [[ -n ${termfile} ]] ; then
	dodir "/etc/terminfo/${basedir}"
	mv "${termfile}" "${ED}/etc/terminfo/${basedir}/" \|\| die
	dosym "../../../../etc/terminfo/${basedir}/${x}" \
	"/usr/share/terminfo/${basedir}/${x}"
	fi
	done

	echo "CONFIG_PROTECT_MASK=\"/etc/terminfo\"" \| newenvd - 50ncurses

	use minimal && rm -r "${ED}"/usr/share/terminfo*
	# Because ncurses5-config --terminfo returns the directory we keep it
	# bug #245374
	keepdir /usr/share/terminfo
	elif use minimal ; then
	# Keep only the basic terminfo files
	find "${ED}"/usr/share/terminfo/ \
	\( -type f -o -type l \) ${terms[*]/#/! -name } -delete , \
	-type d -empty -delete \|\| die
	fi

	cd "${S}" \|\| die
	dodoc ANNOUNCE MANIFEST NEWS README* TO-DO doc/*.doc
	if use doc ; then
	docinto html
	dodoc -r doc/html/
	fi
	}

	pkg_preinst() {
	preserve_old_lib /$(get_libdir)/libncurses.so.5
	preserve_old_lib /$(get_libdir)/libncursesw.so.5
	}

	pkg_postinst() {
	preserve_old_lib_notify /$(get_libdir)/libncurses.so.5
	preserve_old_lib_notify /$(get_libdir)/libncursesw.so.5
	}