--- /dev/null
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+ <maintainer type="person">
+ <email>polynomial-c@gentoo.org</email>
+ <name>Lars Wendler</name>
+ </maintainer>
+ <upstream>
+ <remote-id type="github">mgba-emu/mgba</remote-id>
+ </upstream>
+</pkgmetadata>
--- /dev/null
+# Copyright 1999-2016 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI=6
+
+inherit fdo-mime gnome2-utils cmake-utils
+
+DESCRIPTION="A new Game Boy Advance emulator written in C."
+HOMEPAGE="https://mgba.io"
+SRC_URI="https://github.com/${PN}-emu/${PN}/archive/${PV}.tar.gz -> ${P}.tar.gz"
+
+LICENSE="MPL-2.0"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+IUSE="ffmpeg imagemagick opengl qt5 +sdl"
+REQUIRED_USE="|| ( qt5 sdl )
+ qt5? ( opengl )"
+
+RDEPEND="
+ media-libs/libpng:0=
+ sys-libs/zlib[minizip]
+ ffmpeg? ( virtual/ffmpeg )
+ imagemagick? ( media-gfx/imagemagick:= )
+ opengl? ( virtual/opengl )
+ qt5? (
+ dev-qt/qtcore:5
+ dev-qt/qtgui:5
+ dev-qt/qtmultimedia:5
+ dev-qt/qtwidgets:5
+ opengl? ( dev-qt/qtopengl:5 )
+ )
+ sdl? ( media-libs/libsdl2[X,sound,joystick,video,opengl?] )"
+DEPEND="${RDEPEND}
+ >=dev-util/cmake-3.2.2"
+
+src_prepare() {
+ default
+
+ # Get rid of any bundled stuff we don't want
+ for pkg in libpng lzma zlib ; do
+ rm -r "${S}"/src/third-party/${pkg} || die
+ done
+}
+
+src_configure() {
+ local mycmakeargs=(
+ -DBUILD_GL="$(usex opengl)"
+ -DBUILD_QT="$(usex qt5)"
+ -DBUILD_SDL="$(usex sdl)"
+ -DUSE_FFMPEG="$(usex ffmpeg)"
+ -DUSE_MAGICK="$(usex imagemagick)"
+ -DUSE_EPOXY=OFF
+ -DUSE_LIBZIP=OFF
+ -DUSE_LZMA=OFF
+ -DUSE_MINIZIP=ON
+ -DM_CORE_GB=ON
+ )
+ cmake-utils_src_configure
+}
+
+src_compile() {
+ cmake-utils_src_compile
+}
+
+src_install() {
+ if use qt5 ; then
+ for size in 16 24 32 48 64 96 128 256; do
+ newicon -s ${size} res/${PN}-${size}.png ${PN}.png
+ done
+ doman doc/${PN}-qt.6
+ domenu res/${PN}-qt.desktop
+ dobin ../${P}_build/qt/${PN}-qt
+ fi
+ if use sdl ; then
+ doman doc/${PN}.6
+ newbin ../${P}_build/sdl/${PN} ${PN}-sdl
+ fi
+
+ dolib.so ../${P}_build/lib${PN}.so*
+}
+
+pkg_preinst() {
+ if use qt5 ; then
+ gnome2_icon_savelist
+ fi
+}
+
+pkg_postinst() {
+ if use qt5 ; then
+ fdo-mime_desktop_database_update
+ gnome2_icon_cache_update
+ fi
+}
+
+pkg_postrm() {
+ if use qt5 ; then
+ fdo-mime_desktop_database_update
+ gnome2_icon_cache_update
+ fi
+}