--- /dev/null
+# Copyright 1999-2016 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI=5
+
+inherit autotools eutils flag-o-matic pam toolchain-funcs user
+
+DESCRIPTION="screen manager with VT100/ANSI terminal emulation"
+HOMEPAGE="https://www.gnu.org/software/screen/"
+SRC_URI="mirror://gnu/${PN}/${P}.tar.gz"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86 ~sparc-fbsd ~x86-fbsd ~hppa-hpux ~amd64-linux ~arm-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
+IUSE="debug nethack pam selinux multiuser"
+
+CDEPEND="
+ >=sys-libs/ncurses-5.2:0=
+ pam? ( virtual/pam )"
+RDEPEND="${CDEPEND}
+ selinux? ( sec-policy/selinux-screen )"
+DEPEND="${CDEPEND}
+ sys-apps/texinfo"
+
+# Patches:
+# - Don't use utempter even if it is found on the system.
+PATCHES=(
+ "${FILESDIR}"/${PN}-4.3.0-no-utempter.patch
+)
+
+pkg_setup() {
+ # Make sure utmp group exists, as it's used later on.
+ enewgroup utmp 406
+}
+
+src_prepare() {
+ # Apply patches.
+ epatch "${PATCHES[@]}"
+
+ # sched.h is a system header and causes problems with some C libraries
+ mv sched.h _sched.h || die
+ sed -i '/include/ s:sched.h:_sched.h:' screen.h || die
+
+ # Fix manpage.
+ sed -i \
+ -e "s:/usr/local/etc/screenrc:${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 [[ ${CHOST} == *-darwin* ]] ; then
+ sed -i -e '/^#define UTMPOK/s/define/undef/' acconfig.h || die
+ fi
+
+ # reconfigure
+ eautoreconf
+}
+
+src_configure() {
+ append-cppflags "-DMAXWIN=${MAX_SCREEN_WINDOWS:-100}"
+
+ if [[ ${CHOST} == *-solaris* ]] ; then
+ # https://lists.gnu.org/archive/html/screen-devel/2014-04/msg00095.html
+ append-cppflags -D_XOPEN_SOURCE \
+ -D_XOPEN_SOURCE_EXTENDED=1 \
+ -D__EXTENSIONS__
+ append-libs -lsocket -lnsl
+ fi
+
+ use nethack || append-cppflags "-DNONETHACK"
+ use debug && append-cppflags "-DDEBUG"
+
+ econf \
+ --with-socket-dir="${EPREFIX}/tmp/screen" \
+ --with-sys-screenrc="${EPREFIX}/etc/screenrc" \
+ --with-pty-mode=0620 \
+ --with-pty-group=5 \
+ --enable-rxvt_osc \
+ --enable-telnet \
+ --enable-colors256 \
+ $(use_enable pam)
+}
+
+src_compile() {
+ LC_ALL=POSIX emake comm.h term.h
+ emake osdef.h
+
+ emake -C doc screen.info
+ default
+}
+
+src_install() {
+ local tmpfiles_perms tmpfiles_group
+
+ dobin screen
+
+ if use multiuser || use prefix
+ then
+ fperms 4755 /usr/bin/screen
+ tmpfiles_perms="0755"
+ tmpfiles_group="root"
+ else
+ fowners root:utmp /usr/bin/screen
+ fperms 2755 /usr/bin/screen
+ tmpfiles_perms="0775"
+ tmpfiles_group="utmp"
+ fi
+
+ dodir /etc/tmpfiles.d
+ echo "d /tmp/screen ${tmpfiles_perms} root ${tmpfiles_group}" \
+ > "${ED}"/etc/tmpfiles.d/screen.conf
+
+ insinto /usr/share/screen
+ doins terminfo/{screencap,screeninfo.src}
+ insinto /usr/share/screen/utf8encodings
+ doins utf8encodings/??
+ insinto /etc
+ doins "${FILESDIR}"/screenrc
+
+ pamd_mimic_system screen auth
+
+ dodoc \
+ README ChangeLog INSTALL TODO NEWS* patchlevel.h \
+ doc/{FAQ,README.DOTSCREEN,fdpat.ps,window_to_display.ps}
+
+ doman doc/screen.1
+ doinfo doc/screen.info
+}
+
+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/screen"
+ 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}"
+}
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