diff -r d1a999ebd173 -r b351c25cacd8 gui-libs/wlroots/wlroots-0.13.0.ebuild
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gui-libs/wlroots/wlroots-0.13.0.ebuild	Thu Apr 08 14:09:23 2021 +0100
@@ -0,0 +1,78 @@
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit fcaps meson
+
+DESCRIPTION="Pluggable, composable, unopinionated modules for building a Wayland compositor"
+HOMEPAGE="https://github.com/swaywm/wlroots"
+
+if [[ ${PV} == 9999 ]]; then
+	EGIT_REPO_URI="https://github.com/swaywm/${PN}.git"
+	inherit git-r3
+else
+	SRC_URI="https://github.com/swaywm/${PN}/archive/${PV}.tar.gz -> ${P}.tar.gz"
+	KEYWORDS="amd64 arm64 ~ppc64 x86"
+fi
+
+LICENSE="MIT"
+SLOT="0/13"
+IUSE="elogind icccm seatd systemd x11-backend X"
+REQUIRED_USE="?? ( elogind systemd )"
+
+DEPEND="
+	>=dev-libs/libinput-1.9.0:0=
+	>=dev-libs/wayland-1.18.0
+	>=dev-libs/wayland-protocols-1.17.0
+	media-libs/mesa[egl,gles2,gbm]
+	virtual/libudev
+	x11-libs/libdrm
+	x11-libs/libxkbcommon
+	x11-libs/pixman
+	elogind? ( >=sys-auth/elogind-237 )
+	icccm? ( x11-libs/xcb-util-wm )
+	seatd? ( sys-auth/seatd:= )
+	systemd? ( >=sys-apps/systemd-237 )
+	x11-backend? ( x11-libs/libxcb:0= )
+	X? (
+		x11-base/xorg-server[wayland]
+		x11-libs/libxcb:0=
+		x11-libs/xcb-util-image
+	)
+"
+RDEPEND="
+	${DEPEND}
+"
+BDEPEND="
+	>=dev-libs/wayland-protocols-1.17
+	>=dev-util/meson-0.54.0
+	virtual/pkgconfig
+"
+
+src_configure() {
+	# xcb-util-errors is not on Gentoo Repository (and upstream seems inactive?)
+	local emesonargs=(
+		"-Dxcb-errors=disabled"
+		-Dxcb-icccm=$(usex icccm enabled disabled)
+		-Dxwayland=$(usex X enabled disabled)
+		-Dx11-backend=$(usex x11-backend enabled disabled)
+		"-Dexamples=false"
+		"-Dwerror=false"
+		-Dlibseat=$(usex seatd enabled disabled)
+	)
+	if use systemd; then
+		emesonargs+=("-Dlogind=enabled" "-Dlogind-provider=systemd")
+	elif use elogind; then
+		emesonargs+=("-Dlogind=enabled" "-Dlogind-provider=elogind")
+	else
+		emesonargs+=("-Dlogind=disabled")
+	fi
+
+	meson_src_configure
+}
+
+pkg_postinst() {
+	elog "You must be in the input group to allow your compositor"
+	elog "to access input devices via libinput."
+}