[gentoo-commits] repo/gentoo:master commit in: profiles/, sys-libs/ncurses/

["Sam James" <sam@gentoo.org>]

commit:     36cb6e7e797ce084f8952716da8816e3613bedd0
Author:     Sam James <sam <AT> gentoo <DOT> org>
AuthorDate: Sun Apr 16 03:26:39 2023 +0000
Commit:     Sam James <sam <AT> gentoo <DOT> org>
CommitDate: Sun Apr 16 03:28:54 2023 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=36cb6e7e

sys-libs/ncurses: add 6.4_p20230415

This should fix the issues with vim (bug #904263) but this version remains
masked for now because OpenRC itself needs fixing due to abuse of ncurses
(bug #904277).

Bug: https://bugs.gentoo.org/904247
Bug: https://bugs.gentoo.org/904277
Closes: https://bugs.gentoo.org/904263
Signed-off-by: Sam James <sam <AT> gentoo.org>

 profiles/package.mask                         |   5 +
 sys-libs/ncurses/Manifest                     |   3 +
 sys-libs/ncurses/ncurses-6.4_p20230415.ebuild | 431 ++++++++++++++++++++++++++
 3 files changed, 439 insertions(+)

diff --git a/profiles/package.mask b/profiles/package.mask
index 5ca556a67560..d2367486b2b3 100644
--- a/profiles/package.mask
+++ b/profiles/package.mask
@@ -33,6 +33,11 @@
 
 #--- END OF EXAMPLES ---
 
+# Sam James <sam@gentoo.org> (2023-04-16)
+# OpenRC is broken with this version, but the issue is on OpenRC's side
+# and needs to be fixed there. bug #904277
+=sys-libs/ncurses-6.4_p20230415
+
 # Sam James <sam@gentoo.org> (2023-04-14)
 # Fails with modern C, no upstream activity since 2005.
 # Removal on 2023-05-14.  Bug #778506, bug #881205.

diff --git a/sys-libs/ncurses/Manifest b/sys-libs/ncurses/Manifest
index c794f1e8426d..fe84d26a30a3 100644
--- a/sys-libs/ncurses/Manifest
+++ b/sys-libs/ncurses/Manifest
@@ -141,7 +141,10 @@ DIST ncurses-6.4-20230401.patch.gz 5172 BLAKE2B bf4a9d9bcecc2fa91191139a4f1aa39a
 DIST ncurses-6.4-20230401.patch.gz.asc 729 BLAKE2B 18588b7cc4e3f256a4e9aa9e6221e54b1a29711df01784397b1055d9fea8ae5f1bb544a8acfd660ef1b7d72ccae1ab94b61f38ba19159e4efc7563a79e93fbb3 SHA512 bf9da77a0da1640d883e0a6ac7f807995f3678eaa054255e8591dbe9a2c4cebb43d8d2781b8ddf7c7432a38f63eb72d519445edcc2721a01d7a785964adee8a1
 DIST ncurses-6.4-20230408.patch.gz 15680 BLAKE2B 7d1fa16a79e317be3c2746f7117559a9cc65b7ca20aca86a314591d376db59f8a151d739bfbc502691808f16130b89a9d5b4ee8bcd357a01ef033ac2ad7277d1 SHA512 036d4b08c0d17656c75f89625d5b5a253e70458bc9f2303269b4c72349ad62c719951b9ebd65385d6d8ad4be9e89a36090fa842fbb62713d9b8fa6a359170a88
 DIST ncurses-6.4-20230408.patch.gz.asc 729 BLAKE2B 7648e24297dc66dc4d5f08bf592b2db628a5962b0d6d34c1f0725257c3a04d2430897edd99d741ba837196e9a6f2c138e4826f40f80ea88e9d5dc04a41c11986 SHA512 eabe6e49b94969fbba7bf8de3bef803a8151e6d3bb0e9d1f0d4b11d27c7156be37f623e6785a205b7b8acaef2a2d646099aef8c410a6addb7592a9af2ec930c4
+DIST ncurses-6.4-20230415.patch.gz 23979 BLAKE2B d89402d39bd71e23021d1ad28a27965239409b8d29397a9a9f3172178dd060cc42f736224b6438e7048cd05f38c24e4d229f83fc87fc207d5d2cb3b9577e1bcc SHA512 63a6368745c2c418fa263cec4da69a06e981fb8cb466f0694163fd324ef328251acb38ca3ace02f18b8b6b44dcaf414f74335a2239ae7af2b0c8ed916ca6644d
+DIST ncurses-6.4-20230415.patch.gz.asc 729 BLAKE2B c7ad19d4ae544c64eed538e7c6fd03959988e80140cbc185c6eebb932d026fa316df1d53f9e049e82fec811860e3a0a32b6af76f980fe1603684ce2678dd4fd9 SHA512 4637e09e4620da328d163bdd100756760b0f5469304ef7963a93346d263039ea608fd510fba0079feb094a37fa857b7fcdcb938d2ff5d93aa809cb9c74cf4d5b
 DIST ncurses-6.4-patches.tar.xz 63720 BLAKE2B 6b767f65a9c7e8f9fdebaa2623e3770872e710fa103d11e48509e5315ebf5ad1a37519b1b40c5138e631693fb2e2e30ea5eef11002698a341a623a85c5b0b4fc SHA512 5094f6cb8fa54d9df0802173f1e0ff2ad40fc3d4bd298c0742479f72ba4f9afee0ccf9f0a4eb068b0a5552523abf7b212861b61abbde6f69ff22d62dd686daa9
 DIST ncurses-6.4.tar.gz 3612591 BLAKE2B 47fd9c2d27f44fa9942552881a471e5067465dbace40bf68b28998dded0556127a1d8662b96de4de4fd76c1c8b98bdae796036553ab4b05ca9f160839d841ba3 SHA512 1c2efff87a82a57e57b0c60023c87bae93f6718114c8f9dc010d4c21119a2f7576d0225dab5f0a227c2cfc6fb6bdbd62728e407f35fce5bf351bb50cf9e0fd34
 DIST ncurses-6.4.tar.gz.sig 438 BLAKE2B e6a78b8d0cbce1577205b49b0260394094632cefd95294813c7e4e51a2908e8599a9f24b3b648e42ba16c015fb9424b2a82236f58aac3bf96f5400a50482e44e SHA512 f2a7859725b4d5d62f68006338d56598ac6b38a1448983108906e192f0ec922be287cc89bcc79c1ae49ebc80c967af3dd077427f35ae579b00d445c882414fed
 DIST ncurses-6.4_p20230408-patches.tar.xz 80472 BLAKE2B 0ba8156ebd4f1691fec7bc1b800ef39ce6a4210573c027dd437919cdcd7c995830116da06c69f31c65923845a4d5c88e974673fac38acce5813f7d6cdc646e3e SHA512 32960e2cc4cd9dc60c38b49f46c5ce2c02179479abb66ca29f63cd06475ae8e26299a78b5f06762d114aefbbca3ba6fbebe7093a58106eeaa40cf500d21633a4
+DIST ncurses-6.4_p20230415-patches.tar.xz 63188 BLAKE2B 2f05eb332a2af69bb5418026ef9fdfcfc6b164c20ad7618c481127054b653ab5961a8a96cd7dbce653631ae8a1afc9377c4a82b4ff8aff27bb47f21fbead48a8 SHA512 a052004fb8dd2653b12f0ee6b9d423fdedc77a049c67e7f34794aad9f249bbcb8439cf9d15647911583895c7a579f1b4c887fa884a699e74e7ea24861566eb6f

diff --git a/sys-libs/ncurses/ncurses-6.4_p20230415.ebuild b/sys-libs/ncurses/ncurses-6.4_p20230415.ebuild
new file mode 100644
index 000000000000..b2e3e0e18de1
--- /dev/null
+++ b/sys-libs/ncurses/ncurses-6.4_p20230415.ebuild
@@ -0,0 +1,431 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+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_p20230415
+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
+
+		# 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}/${GENTOO_PATCH_NAME}.tar.xz"
+
+LICENSE="MIT"
+# The subslot reflects the SONAME.
+SLOT="0/6"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~x64-cygwin ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
+IUSE="ada +cxx debug doc gpm minimal profile split-usr +stack-realign static-libs test tinfo trace"
+RESTRICT="!test? ( test )"
+
+DEPEND="gpm? ( sys-libs/gpm[${MULTILIB_USEDEP}] )"
+# Block the older ncurses that installed all files w/SLOT=5, bug #557472
+RDEPEND="
+	${DEPEND}
+	!<=sys-libs/ncurses-5.9-r4:5
+	!<sys-libs/slang-2.3.2_pre23
+	!<x11-terms/rxvt-unicode-9.06-r3
+	!<x11-terms/st-0.6-r1
+"
+BDEPEND="verify-sig? ( sec-keys/openpgp-keys-thomasdickey )"
+
+S="${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
+}