gentoo-overlay/sys-devel/gcc-config/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
	<maintainer type="project">
		<email>toolchain@gentoo.org</email>
		<name>Gentoo Toolchain Project</name>
	</maintainer>
	<use>
		<flag name="cc-wrappers">Install and manage 'cc' and 'f77' wrappers in /usr/bin. Otherwise ignore them.</flag>
		<flag name="native-symlinks">Install native symlinks like 'gcc' or 'g++' to /usr/bin. Otherwise keep only ${CTARGET}-gcc and friends.</flag>
	</use>
</pkgmetadata>