app-misc/screen/screen-4.8.0-r2.ebuild
f17002e3
 # Copyright 1999-2021 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=7
 
 inherit autotools flag-o-matic pam tmpfiles toolchain-funcs
 
 DESCRIPTION="screen manager with VT100/ANSI terminal emulation"
 HOMEPAGE="https://www.gnu.org/software/screen/"
 
 if [[ "${PV}" != 9999 ]] ; then
 	SRC_URI="mirror://gnu/${PN}/${P}.tar.gz"
 	KEYWORDS="~alpha amd64 arm arm64 hppa ~ia64 ~m68k ~mips ppc ppc64 ~riscv ~s390 sparc x86 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
 else
 	inherit git-r3
 	EGIT_REPO_URI="https://git.savannah.gnu.org/git/screen.git"
 	EGIT_CHECKOUT_DIR="${WORKDIR}/${P}" # needed for setting S later on
 	S="${WORKDIR}"/${P}/src
 fi
 
 LICENSE="GPL-2"
 SLOT="0"
 IUSE="debug nethack pam selinux multiuser"
 
 CDEPEND="
 	>=sys-libs/ncurses-5.2:0=
 	pam? ( sys-libs/pam )"
 RDEPEND="${CDEPEND}
 	acct-group/utmp
 	selinux? ( sec-policy/selinux-screen )"
 DEPEND="${CDEPEND}
 	sys-apps/texinfo"
 
 PATCHES=(
 	# Don't use utempter even if it is found on the system.
 	"${FILESDIR}"/${PN}-4.3.0-no-utempter.patch
 	"${FILESDIR}"/${PN}-4.6.2-utmp-exit.patch
 	"${FILESDIR}"/${PN}-CVE-2021-26937.patch
 )
 
 src_prepare() {
 	default
 
 	# sched.h is a system header and causes problems with some C libraries
 	mv sched.h _sched.h || die
 	sed -i '/include/ s:sched.h:_sched.h:' screen.h || die
 
 	# Fix manpage.
 	sed -i \
 		-e "s:/usr/local/etc/screenrc:${EPREFIX}/etc/screenrc:g" \
 		-e "s:/usr/local/screens:${EPREFIX}/tmp/screen:g" \
 		-e "s:/local/etc/screenrc:${EPREFIX}/etc/screenrc:g" \
 		-e "s:/etc/utmp:${EPREFIX}/var/run/utmp:g" \
 		-e "s:/local/screens/S\\\-:${EPREFIX}/tmp/screen/S\\\-:g" \
 		doc/screen.1 || die
 
 	if [[ ${CHOST} == *-darwin* ]] || use elibc_musl ; then
 		sed -i -e '/^#define UTMPOK/s/define/undef/' acconfig.h || die
 	fi
 
 	# disable musl dummy headers for utmp[x]
 	use elibc_musl && append-cppflags "-D_UTMP_H -D_UTMPX_H"
 
 	# reconfigure
 	eautoreconf
 }
 
 src_configure() {
 	append-cppflags "-DMAXWIN=${MAX_SCREEN_WINDOWS:-100}"
 
 	if [[ ${CHOST} == *-solaris* ]] ; then
 		# enable msg_header by upping the feature standard compatible
 		# with c99 mode
 		append-cppflags -D_XOPEN_SOURCE=600
 	fi
 
 	use nethack || append-cppflags "-DNONETHACK"
 	use debug && append-cppflags "-DDEBUG"
 
 	local myeconfargs=(
 		--with-sys-screenrc="${EPREFIX}/etc/screenrc"
 		--with-pty-mode=0620
 		--with-pty-group=5
 		--enable-rxvt_osc
 		--enable-telnet
 		--enable-colors256
 		$(use_enable pam)
 	)
 	econf "${myeconfargs[@]}"
 }
 
 src_compile() {
 	LC_ALL=POSIX emake comm.h term.h
 	emake osdef.h
 
 	emake -C doc screen.info
 	default
 }
 
 src_install() {
 	local DOCS=(
 		README ChangeLog INSTALL TODO NEWS* patchlevel.h
 		doc/{FAQ,README.DOTSCREEN,fdpat.ps,window_to_display.ps}
 	)
 
 	emake DESTDIR="${D}" SCREEN="${P}" install
 
 	local tmpfiles_perms tmpfiles_group
 
 	if use multiuser || use prefix ; then
 		fperms 4755 /usr/bin/${P}
 		tmpfiles_perms="0755"
 		tmpfiles_group="root"
 	else
 		fowners root:utmp /usr/bin/${P}
 		fperms 2755 /usr/bin/${P}
 		tmpfiles_perms="0775"
 		tmpfiles_group="utmp"
 	fi
 
 	newtmpfiles - screen.conf <<<"d /tmp/screen ${tmpfiles_perms} root ${tmpfiles_group}"
 
 	insinto /usr/share/${PN}
 	doins terminfo/{screencap,screeninfo.src}
 
 	insinto /etc
 	doins "${FILESDIR}"/screenrc
 
 	if use pam; then
 		pamd_mimic_system screen auth
 	fi
 
 	dodoc "${DOCS[@]}"
 }
 
 pkg_postinst() {
 	if [[ -z ${REPLACING_VERSIONS} ]]
 	then
 		elog "Some dangerous key bindings have been removed or changed to more safe values."
 		elog "We enable some xterm hacks in our default screenrc, which might break some"
 		elog "applications. Please check /etc/screenrc for information on these changes."
 	fi
 
 	# Add /tmp/screen in case it doesn't exist yet. This should solve
 	# problems like bug #508634 where tmpfiles.d isn't in effect.
 	local rundir="${EROOT}/tmp/${PN}"
 	if [[ ! -d ${rundir} ]] ; then
 		if use multiuser || use prefix ; then
 			tmpfiles_group="root"
 		else
 			tmpfiles_group="utmp"
 		fi
 		mkdir -m 0775 "${rundir}"
 		chgrp ${tmpfiles_group} "${rundir}"
 	fi
 
 	ewarn "This revision changes the screen socket location to ${rundir}"
 }