--- /dev/null
+# Copyright 1999-2019 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 x86"
+fi
+
+LICENSE="MIT"
+SLOT="0"
+IUSE="elogind icccm rdp systemd x11-backend X"
+REQUIRED_USE="?? ( elogind systemd )"
+
+DEPEND="
+ >=dev-libs/libinput-1.9.0:0=
+ >=dev-libs/wayland-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 )
+ rdp? ( net-misc/freerdp )
+ 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="
+ ${DEPEND}
+ media-video/ffmpeg:0=
+"
+BDEPEND="
+ >=dev-libs/wayland-protocols-1.17
+ virtual/pkgconfig
+"
+
+src_configure() {
+ # xcb-util-errors is not on Gentoo Repository (and upstream seems inactive?)
+ local emesonargs=(
+ "-Dxcb-errors=disabled"
+ -Dlibcap=$(usex filecaps enabled disabled)
+ -Dxcb-icccm=$(usex icccm enabled disabled)
+ -Dxwayland=$(usex X enabled disabled)
+ -Dx11-backend=$(usex x11-backend enabled disabled)
+ "-Dexamples=false"
+ "-Dwerror=false"
+ )
+ 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."
+}