--- /dev/null
+# Copyright 1999-2019 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+inherit gnome2
+
+DESCRIPTION="GNOME Flashback window manager"
+HOMEPAGE="https://gitlab.gnome.org/GNOME/metacity/"
+
+LICENSE="GPL-2+"
+SLOT="0"
+IUSE="+libcanberra vulkan xinerama"
+KEYWORDS="~amd64"
+
+# TODO: libgtop could be optional, but no knob
+RDEPEND="
+ >=dev-libs/glib-2.44.0:2
+ >=x11-libs/gtk+-3.22.0:3[X]
+ >=x11-libs/pango-1.2.0[X]
+ >=x11-libs/libXcomposite-0.3
+ >=gnome-base/gsettings-desktop-schemas-3.3.0
+ x11-libs/libXfixes
+ x11-libs/libXrender
+ x11-libs/libXdamage
+ libcanberra? ( media-libs/libcanberra[gtk3] )
+ >=x11-libs/startup-notification-0.7
+ x11-libs/libXcursor
+ gnome-base/libgtop:2=
+ x11-libs/libX11
+ xinerama? ( x11-libs/libXinerama )
+ x11-libs/libXrandr
+ x11-libs/libXext
+ x11-libs/libICE
+ x11-libs/libSM
+ gnome-extra/zenity
+ vulkan? ( media-libs/vulkan-loader )
+"
+DEPEND="${RDEPEND}
+ vulkan? ( dev-util/vulkan-headers )
+ dev-util/glib-utils
+ >=sys-devel/gettext-0.19.4
+ x11-base/xorg-proto
+ virtual/pkgconfig
+" # autoconf-archive for eautoreconf
+
+src_configure() {
+ gnome2_src_configure \
+ --disable-static \
+ $(use_enable libcanberra canberra) \
+ $(use_enable xinerama) \
+ $(use_enable vulkan)
+}
--- /dev/null
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+<maintainer type="project">
+ <email>gnome@gentoo.org</email>
+ <name>Gentoo GNOME Desktop</name>
+</maintainer>
+<use>
+ <flag name="libcanberra">Enable sound event support using <pkg>media-libs/libcanberra</pkg></flag>
+ <flag name="vulkan">Enable Vulkan based compositor support via META_COMPOSITOR=vulkan environment variable</flag>
+</use>
+</pkgmetadata>