diff -r 000000000000 -r 22d142c795ec gui-libs/xdg-desktop-portal-wlr/xdg-desktop-portal-wlr-0.1.0.ebuild
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gui-libs/xdg-desktop-portal-wlr/xdg-desktop-portal-wlr-0.1.0.ebuild	Thu Dec 24 20:44:22 2020 +0000
@@ -0,0 +1,53 @@
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit meson
+
+DESCRIPTION="xdg-desktop-portal backend for wlroots"
+HOMEPAGE="https://github.com/emersion/xdg-desktop-portal-wlr"
+
+if [[ ${PV} == 9999 ]]; then
+	EGIT_REPO_URI="https://github.com/emersion/${PN}.git"
+	inherit git-r3
+else
+	SRC_URI="https://github.com/emersion/${PN}/releases/download/v${PV}/${P}.tar.gz"
+	KEYWORDS="~amd64 ~arm64 ~ppc64 ~x86"
+fi
+
+LICENSE="MIT"
+SLOT="0/9999"
+IUSE="elogind systemd"
+REQUIRED_USE="?? ( elogind systemd )"
+
+DEPEND="
+	>=media-video/pipewire-0.2.9:=
+	dev-libs/wayland
+	>=dev-libs/wayland-protocols-1.14:=
+	elogind? ( >=sys-auth/elogind-237 )
+	systemd? ( >=sys-apps/systemd-237 )
+"
+RDEPEND="
+	${DEPEND}
+	sys-apps/xdg-desktop-portal
+"
+BDEPEND="
+	>=media-video/pipewire-0.2.9:=
+	>=dev-libs/wayland-protocols-1.14
+	>=dev-util/meson-0.47.0
+	virtual/pkgconfig
+"
+
+src_configure() {
+	local emesonargs=(
+		"-Dwerror=false"
+	)
+	if use systemd; then
+		emesonargs+=("-DHAVE_SYSTEMD=1")
+	else
+		emesonargs+=("-DHAVE_ELOGIND=1")
+	fi
+
+	meson_src_configure
+}