src_prepare-overlay/www-client/icecat/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<use>
	<flag name="buildtarball">Build tarball with makeicecat</flag>
	<flag name="clang">Use Clang compiler instead of GCC</flag>
	<flag name="geckodriver">Enable WebDriver support</flag>
	<flag name="hwaccel">Force-enable hardware-accelerated rendering (Mozilla bug 594876)</flag>
	<flag name="libproxy">Enable libproxy support</flag>
	<flag name="lto">Enable Link Time Optimization (LTO). Requires Gold linker when using GCC
		or LDD linker when using Clang</flag>
	<flag name="openh264">Use <pkg>media-libs/openh264</pkg> for H.264 support
		instead of downloading binary blob from Mozilla at runtime</flag>
	<flag name="pgo">Add support for profile-guided optimization using gcc-4.5,
		for faster binaries. This option will double the compile time.</flag>
	<flag name="screencast">Enable support for remote desktop and screen cast using <pkg>media-video/pipewire</pkg></flag>
	<flag name="sndio">Enable support for the <pkg>media-sound/sndio</pkg> backend</flag>
	<flag name="system-av1">Use the system-wide <pkg>media-libs/dav1d</pkg>
		and <pkg>media-libs/libaom</pkg> library instead of bundled.</flag>
	<flag name="system-harfbuzz">Use the system-wide <pkg>media-libs/harfbuzz</pkg>
		and <pkg>media-gfx/graphite2</pkg> instead of bundled.</flag>
	<flag name="system-icu">Use the system-wide <pkg>dev-libs/icu</pkg>
		instead of bundled.</flag>
	<flag name="system-jpeg">Use the system-wide <pkg>media-libs/libjpeg-turbo</pkg>
		instead of bundled.</flag>
	<flag name="system-libevent">Use the system-wide <pkg>dev-libs/libevent</pkg>
		instead of bundled.</flag>
	<flag name="system-libvpx">Use the system-wide <pkg>media-libs/libvpx</pkg>
		instead of bundled.</flag>
	<flag name="system-png">Use the system-wide <pkg>media-libs/libpng</pkg>
		instead of bundled (requires APNG patches)</flag>
	<flag name="system-python-libs">Use system's python site instead of bundled python libraries</flag>
	<flag name="system-webp">Use the system-wide <pkg>media-libs/libwebp</pkg>
		instead of bundled.</flag>
</use>
</pkgmetadata>