sys-libs/ncurses: rewrite the /etc/terminfo code & add a few more variants

Clean up the code to include more comments/documentation, and add rxvt
256color variants as well as screen.xterm-256color for newer versions.

1 files changed, 305 insertions, 0 deletions

diff --git a/sys-libs/ncurses/ncurses-6.1-r3.ebuild b/sys-libs/ncurses/ncurses-6.1-r3.ebuild
new file mode 100644
index 000000000000..fa1908d72434
--- /dev/null
+++ b/sys-libs/ncurses/ncurses-6.1-r3.ebuild
@@ -0,0 +1,305 @@
+# Copyright 1999-2018 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI="6"
+
+inherit flag-o-matic toolchain-funcs multilib-minimal preserve-libs
+
+MY_PV=${PV:0:3}
+PV_SNAP=${PV:4}
+MY_P=${PN}-${MY_PV}
+DESCRIPTION="console display library"
+HOMEPAGE="https://www.gnu.org/software/ncurses/ http://dickey.his.com/ncurses/"
+SRC_URI="mirror://gnu/ncurses/${MY_P}.tar.gz"
+
+LICENSE="MIT"
+# The subslot reflects the SONAME.
+SLOT="0/6"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86 ~amd64-fbsd ~x86-fbsd"
+IUSE="ada +cxx debug doc gpm minimal profile static-libs test threads tinfo trace unicode"
+
+DEPEND="gpm? ( sys-libs/gpm[${MULTILIB_USEDEP}] )"
+#	berkdb? ( sys-libs/db )"
+# Block the older ncurses that installed all files w/SLOT=5. #557472
+RDEPEND="${DEPEND}
+	!<=sys-libs/ncurses-5.9-r4:5
+	!<sys-libs/slang-2.3.2_pre23
+	!<x11-terms/rxvt-unicode-9.06-r3
+	!<x11-terms/st-0.6-r1"
+
+S=${WORKDIR}/${MY_P}
+
+PATCHES=(
+	"${FILESDIR}/${PN}-6.0-gfbsd.patch"
+	"${FILESDIR}/${PN}-5.7-nongnu.patch"
+	"${FILESDIR}/${PN}-6.0-rxvt-unicode-9.15.patch" #192083 #383871
+	"${FILESDIR}/${PN}-6.0-pkg-config.patch"
+	"${FILESDIR}/${PN}-5.9-gcc-5.patch" #545114
+	"${FILESDIR}/${PN}-6.0-ticlib.patch" #557360
+	"${FILESDIR}/${PN}-6.0-cppflags-cross.patch" #601426
+	"${FILESDIR}/${PN}-6.1-st07_terminfo_typo.patch" #651494
+)
+
+src_prepare() {
+	[[ -n ${PV_SNAP} ]] && eapply "${WORKDIR}"/${MY_P}-${PV_SNAP}-patch.sh
+	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' '')
+		$(usex threads 'ncursest' '')
+		$(use unicode && usex threads 'ncursestw' '')
+	)
+
+	# When installing ncurses, we have to use a compatible version of tic.
+	# This comes up when cross-compiling, doing multilib builds, upgrading,
+	# or installing for the first time.  Build a local copy of tic whenever
+	# the host version isn't available. #249363 #557598
+	if ! ROOT=/ has_version "~sys-libs/${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}/${target}" || die
+
+	local conf=(
+		# We need the basic terminfo files in /etc, bug #37026.  We will
+		# add '--with-terminfo-dirs' and then populate /etc/terminfo in
+		# src_install() ...
+		--with-terminfo-dirs="${EPREFIX}/etc/terminfo:${EPREFIX}/usr/share/terminfo"
+
+		# Disabled until #245417 is sorted out.
+		#$(use_with berkdb hashed-db)
+
+		# 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
+		--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-rcs-ids
+		--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
+	)
+
+	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
+
+	# 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 "~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
+	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[@]}" \
+			$(use tinfo && usex unicode 'tinfow' '') \
+			$(usev tinfo)
+	fi
+	if ! tc-is-static-only ; then
+		# Provide a link for -lcurses.
+		ln -sf libncurses$(get_libname) "${ED}"/usr/$(get_libdir)/libcurses$(get_libname) || die
+	fi
+	# don't delete '*.dll.a', needed for linking #631468
+	if ! use static-libs; then
+		find "${ED}"/usr/ -name '*.a' ! -name '*.dll.a' -delete || die
+	fi
+
+	# Build fails to create this ...
+	dosym ../share/terminfo /usr/$(get_libdir)/terminfo
+}
+
+multilib_src_install_all() {
+#	if ! use berkdb ; then
+		# We need the basic terminfo files in /etc for embedded/recovery. #37026
+		einfo "Installing basic terminfo files in /etc..."
+		local terms=(
+			# Dumb/simple values that show up when using the in-kernel VT.
+			ansi console dumb linux
+			vt{52,100,102,200,220}
+			# [u]rxvt users used to be pretty common.  Probably should drop this
+			# since upstream is dead and people are moving away from it.
+			rxvt{,-unicode}{,-256color}
+			# xterm users are common, as is terminals re-using/spoofing it.
+			xterm xterm-{,256}color
+			# screen is common (and reused by tmux).
+			screen{,-256color}
+			screen.xterm-256color
+		)
+		local x
+		for x in "${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}/${x}"
+			fi
+		done
+#	fi
+
+	echo "CONFIG_PROTECT_MASK=\"/etc/terminfo\"" | newenvd - 50ncurses
+
+	use minimal && rm -r "${ED}"/usr/share/terminfo*
+	# Because ncurses5-config --terminfo returns the directory we keep it
+	keepdir /usr/share/terminfo #245374
+
+	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
+	use unicode && preserve_old_lib /$(get_libdir)/libncursesw.so.5
+}
+
+pkg_postinst() {
+	preserve_old_lib_notify /$(get_libdir)/libncurses.so.5
+	use unicode && preserve_old_lib_notify /$(get_libdir)/libncursesw.so.5
+}