gentoo-overlay/app-crypt/libb2/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
	<maintainer type="person">
		<email>grobian@gentoo.org</email>
		<name>Fabian Groffen</name>
	</maintainer>
	<longdescription lang="en">
		C library providing BLAKE2b, BLAKE2s, BLAKE2bp, BLAKE2sp

		Official implementations from BLAKE2 project.
	</longdescription>
	<use>
		<flag name="native-cflags">
		Use CFLAGS as determined by configure script.  These flags will
		enable all CPU specific features it find available, to further
		optimise the implementation.  This discards any existing CFLAGS
		set in make.conf or similar.
		</flag>
	</use>
</pkgmetadata>