gentoo-overlay/app-emulation/wine-proton/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
	<maintainer type="person">
		<email>ionen@gentoo.org</email>
		<name>Ionen Wolkens</name>
	</maintainer>
	<maintainer type="project">
		<email>wine@gentoo.org</email>
		<name>Wine</name>
	</maintainer>
	<use>
		<flag name="crossdev-mingw">
			Use <pkg>sys-devel/crossdev</pkg> for the toolchain rather than
			<pkg>dev-util/mingw64-toolchain</pkg> (requires manual setting up)
		</flag>
		<flag name="gecko">Enable mshtml support using <pkg>app-emulation/wine-gecko</pkg></flag>
		<flag name="mono">Enable .NET support using <pkg>app-emulation/wine-mono</pkg></flag>
		<flag name="osmesa">Enable off-screen rendering (OpenGL in bitmaps) support</flag>
		<flag name="perl">Install helpers that require perl (winedump/winemaker)</flag>
		<flag name="sdl">Enable gamepad support using <pkg>media-libs/libsdl2</pkg></flag>
		<flag name="vkd3d">Enable DirectX 12 support using <pkg>app-emulation/vkd3d</pkg></flag>
		<flag name="wow64">
			Enable running 32bit applications without 32bit ELF
			multilib by mapping to 64bit calls (experimental,
			may have worse OpenGL performance or other issues
			compared to USE=abi_x86_32) -- still requires (just)
			<pkg>dev-util/mingw64-toolchain</pkg> with abi_x86_32
		</flag>
	</use>
	<upstream>
		<changelog>https://github.com/ValveSoftware/Proton/wiki/Changelog</changelog>
		<remote-id type="github">ValveSoftware/wine</remote-id>
	</upstream>
</pkgmetadata>