# 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

}