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# 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}"/${P}/src
fi
LICENSE="GPL-2"
SLOT="0"
IUSE="debug nethack pam selinux multiuser"
CDEPEND="
>=sys-libs/ncurses-5.2:0=
virtual/libcrypt:=
pam? ( sys-libs/pam )"
RDEPEND="${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 [[ ${CHOST} == *-solaris* ]] ; then
# enable msg_header by upping the feature standard compatible
# with c99 mode
append-cppflags -D_XOPEN_SOURCE=600
fi
use nethack || append-cppflags "-DNONETHACK"
use debug && append-cppflags "-DDEBUG"
local myeconfargs=(
--with-socket-dir="${EPREFIX}/tmp/${PN}"
--with-sys-screenrc="${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
tmpfiles_process screen.conf
ewarn "This revision changes the screen socket location to ${EROOT}/tmp/${PN}"
}
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