# Copyright 1999-2024 Gentoo Authors

# sys-libs/ncurses-compat can be bumped with sys-libs/ncurses as upstream

# provide a configure option for the ABI version.

VERIFY_SIG_OPENPGP_KEY_PATH=/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_p20240413

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

		20230424

		20230429

		20230506

		20230514

		20230520

		20230527

		20230603

		20230610

		20230615

		20230617

		20230624

		20230625

		20230701

		20230708

		20230715

		20230722

		20230729

		20230805

		20230812

		20230819

		20230826

		20230902

		20230909

		20230917

		20230918

		20230923

		20231001

		20231007

		20231014

		20231016

		20231021

		20231028

		20231104

		20231111

		20231118

		20231121

		20231125

		20231202

		20231209

		20231217

		20231223

		20231230

		20240106

		20240113

		20240120

		20240127

		20240203

		20240210

		20240217

		20240224

		20240302

		20240309

		20240323

		20240330

		20240413

		# 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*}/${MY_P/_p/-}.patch.sh.gz"

		SRC_URI+=" verify-sig? ( https://invisible-island.net/archives/${PN}/${PV/_p*}/${MY_P/_p/-}.patch.sh.gz.asc"

		# If we have a rollup patch, use that instead of the individual ones.

		UPSTREAM_PATCHES+=( patch.sh )

	else

		# We use a mirror as well because we've had reports of 403 forbidden for some users.

		upstream_url_base="https://invisible-island.net/archives/${PN}/${PV/_p*}/${MY_P}-"

		upstream_m_url_base="https://invisible-mirror.net/archives/${PN}/${PV/_p*}/${MY_P}-"

		# Prefix each date with the upstream location (https://invisible-island.net/archives/${PN}/${PV/_p*}/${MY_P})

		mangled_patches=( "${PATCH_DATES[@]/#/${upstream_url_base}}" )

		# Suffix each with .patch.gz

		mangled_patches=( "${mangled_patches[@]/%/.patch.gz}" )

		mangled_patches_sig=( "${mangled_patches[@]/%/.asc}" )

		# Repeat for .patch.gz.asc for verify-sig

		SRC_URI+=" ${mangled_patches[@]}"

		SRC_URI+=" verify-sig? ( ${mangled_patches_sig[@]} )"

		# For all of the URLs, chuck in invisible-island.net too:

		SRC_URI+=" ${mangled_patches[@]/${upstream_url_base}/${upstream_m_url_base}}"

		SRC_URI+=" verify-sig? ( ${mangled_patches_sig[@]/${upstream_url_base}/${upstream_m_url_base}} )"

		UPSTREAM_PATCHES=( "${PATCH_DATES[@]/%/.patch}" )

		unset upstream_url_base upstream_m_url_base mangled_patches mangled_patches_sig

	fi

fi

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

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

LICENSE="MIT"

# The subslot reflects the SONAME.

SLOT="0/6"

KEYWORDS="~alpha amd64 arm arm64 hppa ~loong ~m68k ~mips ppc ppc64 ~riscv ~s390 sparc x86 ~amd64-linux ~x86-linux ~arm64-macos ~ppc-macos ~x64-macos ~x64-solaris"

IUSE="ada +cxx debug doc gpm minimal profile split-usr +stack-realign static-libs test tinfo trace"

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 )"

PATCHES=(

	"${UPSTREAM_PATCHES[@]/#/${WORKDIR}/${MY_P}-}"

	# 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}

	# Avoid breakage with CHOST ending in t64

	"${FILESDIR}"/ncurses-6.4-t64-1.patch

	"${FILESDIR}"/ncurses-6.4-t64-2.patch

)

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"

	# 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 --without-ada

	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)

		--disable-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}

			# XXX: Revisit on next ABI break (>6) (bug #928873)

			--disable-opaque-curses

			--disable-opaque-form

			--disable-opaque-menu

			--disable-opaque-panel

		)

	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